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authorTom Rini <trini@ti.com>2014-11-24 17:00:00 (GMT)
committerTom Rini <trini@ti.com>2014-11-24 17:00:00 (GMT)
commit746667f1e56bf08d03e66a178df3c4f4f6c806e1 (patch)
treee42c7fd72cb1ef97a5a05a73b06b3cd2fc118147
parent6c016485a685b5cdac28edb25147311a3e88d51f (diff)
parentfe5b9b447c6eea3873833b1f3ba15c9854aa2ef8 (diff)
downloadu-boot-746667f1e56bf08d03e66a178df3c4f4f6c806e1.tar.xz
Merge git://git.denx.de/u-boot-x86
Conflicts: arch/x86/cpu/Makefile Signed-off-by: Tom Rini <trini@ti.com>
-rw-r--r--Makefile36
-rw-r--r--arch/x86/Kconfig74
-rw-r--r--arch/x86/config.mk1
-rw-r--r--arch/x86/cpu/Makefile1
-rw-r--r--arch/x86/cpu/coreboot/coreboot.c42
-rw-r--r--arch/x86/cpu/coreboot/ipchecksum.c2
-rw-r--r--arch/x86/cpu/coreboot/pci.c22
-rw-r--r--arch/x86/cpu/coreboot/sdram.c15
-rw-r--r--arch/x86/cpu/coreboot/tables.c6
-rw-r--r--arch/x86/cpu/cpu.c301
-rw-r--r--arch/x86/cpu/interrupts.c2
-rw-r--r--arch/x86/cpu/ivybridge/Kconfig172
-rw-r--r--arch/x86/cpu/ivybridge/Makefile16
-rw-r--r--arch/x86/cpu/ivybridge/car.S178
-rw-r--r--arch/x86/cpu/ivybridge/cpu.c357
-rw-r--r--arch/x86/cpu/ivybridge/early_init.c145
-rw-r--r--arch/x86/cpu/ivybridge/early_me.c191
-rw-r--r--arch/x86/cpu/ivybridge/lpc.c48
-rw-r--r--arch/x86/cpu/ivybridge/me_status.c195
-rw-r--r--arch/x86/cpu/ivybridge/microcode_intel.c151
-rw-r--r--arch/x86/cpu/ivybridge/pci.c60
-rw-r--r--arch/x86/cpu/ivybridge/report_platform.c89
-rw-r--r--arch/x86/cpu/ivybridge/sdram.c571
-rw-r--r--arch/x86/cpu/pci.c98
-rw-r--r--arch/x86/cpu/start.S40
-rw-r--r--arch/x86/cpu/start16.S18
-rw-r--r--arch/x86/dts/Makefile1
l---------arch/x86/dts/chromebook_link.dts1
-rw-r--r--arch/x86/dts/link.dts125
-rw-r--r--arch/x86/dts/m12206a7_00000028.dtsi622
-rw-r--r--arch/x86/dts/m12306a9_00000017.dtsi750
-rw-r--r--arch/x86/include/asm/arch-coreboot/gpio.h5
-rw-r--r--arch/x86/include/asm/arch-ivybridge/gpio.h10
-rw-r--r--arch/x86/include/asm/arch-ivybridge/me.h356
-rw-r--r--arch/x86/include/asm/arch-ivybridge/microcode.h20
-rw-r--r--arch/x86/include/asm/arch-ivybridge/model_206ax.h82
-rw-r--r--arch/x86/include/asm/arch-ivybridge/pch.h356
-rw-r--r--arch/x86/include/asm/arch-ivybridge/pei_data.h121
-rw-r--r--arch/x86/include/asm/arch-ivybridge/sandybridge.h109
-rw-r--r--arch/x86/include/asm/config.h1
-rw-r--r--arch/x86/include/asm/cpu.h173
-rw-r--r--arch/x86/include/asm/global_data.h30
-rw-r--r--arch/x86/include/asm/gpio.h142
-rw-r--r--arch/x86/include/asm/i8254.h3
-rw-r--r--arch/x86/include/asm/init_helpers.h2
-rw-r--r--arch/x86/include/asm/io.h49
-rw-r--r--arch/x86/include/asm/lapic.h59
-rw-r--r--arch/x86/include/asm/lapic_def.h101
-rw-r--r--arch/x86/include/asm/msr.h19
-rw-r--r--arch/x86/include/asm/mtrr.h121
-rw-r--r--arch/x86/include/asm/pci.h33
-rw-r--r--arch/x86/include/asm/post.h50
-rw-r--r--arch/x86/include/asm/processor.h21
-rw-r--r--arch/x86/include/asm/u-boot-x86.h17
-rw-r--r--arch/x86/lib/Makefile1
-rw-r--r--arch/x86/lib/init_helpers.c27
-rw-r--r--arch/x86/lib/ramtest.c79
-rw-r--r--arch/x86/lib/tsc_timer.c285
-rw-r--r--board/coreboot/coreboot/Kconfig (renamed from board/chromebook-x86/coreboot/Kconfig)2
-rw-r--r--board/coreboot/coreboot/MAINTAINERS (renamed from board/chromebook-x86/coreboot/MAINTAINERS)2
-rw-r--r--board/coreboot/coreboot/Makefile (renamed from board/chromebook-x86/coreboot/Makefile)0
-rw-r--r--board/coreboot/coreboot/coreboot.c (renamed from board/chromebook-x86/coreboot/coreboot.c)0
-rw-r--r--board/coreboot/coreboot/coreboot_start.S (renamed from board/chromebook-x86/coreboot/coreboot_start.S)0
-rw-r--r--board/google/chromebook_link/Kconfig31
-rw-r--r--board/google/chromebook_link/MAINTAINERS6
-rw-r--r--board/google/chromebook_link/Makefile15
-rw-r--r--board/google/chromebook_link/link.c124
-rw-r--r--board/google/common/Makefile7
-rw-r--r--board/google/common/early_init.S29
-rw-r--r--common/board_f.c14
-rw-r--r--configs/chromebook_link_defconfig10
-rw-r--r--doc/device-tree-bindings/misc/intel-lpc.txt23
-rw-r--r--drivers/gpio/gpio-uclass.c19
-rw-r--r--drivers/gpio/intel_ich6_gpio.c79
-rw-r--r--drivers/serial/serial-uclass.c35
-rw-r--r--include/asm-generic/global_data.h1
-rw-r--r--include/asm-generic/gpio.h11
-rw-r--r--include/configs/chromebook_link.h74
-rw-r--r--include/configs/coreboot.h265
-rw-r--r--include/configs/x86-common.h251
-rw-r--r--include/fdtdec.h18
-rw-r--r--lib/asm-offsets.c3
-rw-r--r--lib/fdtdec.c22
-rw-r--r--tools/Makefile2
-rw-r--r--tools/ifdtool.c1039
-rw-r--r--tools/ifdtool.h88
86 files changed, 8299 insertions, 473 deletions
diff --git a/Makefile b/Makefile
index 590fec8..db82dfe 100644
--- a/Makefile
+++ b/Makefile
@@ -746,6 +746,9 @@ ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%)
endif
ALL-$(CONFIG_REMAKE_ELF) += u-boot.elf
+# We can't do this yet due to the need for binary blobs
+# ALL-$(CONFIG_X86_RESET_VECTOR) += u-boot.rom
+
# enable combined SPL/u-boot/dtb rules for tegra
ifneq ($(CONFIG_TEGRA),)
ifeq ($(CONFIG_SPL),y)
@@ -814,7 +817,8 @@ OBJCOPYFLAGS_u-boot.srec := -O srec
u-boot.hex u-boot.srec: u-boot FORCE
$(call if_changed,objcopy)
-OBJCOPYFLAGS_u-boot.bin := -O binary
+OBJCOPYFLAGS_u-boot.bin := -O binary \
+ $(if $(CONFIG_X86_RESET_VECTOR),-R .start16 -R .resetvec)
binary_size_check: u-boot.bin FORCE
@file_size=$(shell wc -c u-boot.bin | awk '{print $$1}') ; \
@@ -953,6 +957,36 @@ u-boot-nand.gph: u-boot.bin FORCE
$(call if_changed,mkimage)
@dd if=/dev/zero bs=8 count=1 2>/dev/null >> $@
+# x86 uses a large ROM. We fill it with 0xff, put the 16-bit stuff (including
+# reset vector) at the top, Intel ME descriptor at the bottom, and U-Boot in
+# the middle.
+ifneq ($(CONFIG_X86_RESET_VECTOR),)
+rom: u-boot.rom FORCE
+
+u-boot.rom: u-boot-x86-16bit.bin u-boot-dtb.bin \
+ $(srctree)/board/$(BOARDDIR)/mrc.bin
+ $(objtree)/tools/ifdtool -c -r $(CONFIG_ROM_SIZE) u-boot.tmp
+ if [ -n "$(CONFIG_HAVE_INTEL_ME)" ]; then \
+ $(objtree)/tools/ifdtool -D \
+ $(srctree)/board/$(BOARDDIR)/descriptor.bin u-boot.tmp; \
+ $(objtree)/tools/ifdtool \
+ -i ME:$(srctree)/board/$(BOARDDIR)/me.bin u-boot.tmp; \
+ fi
+ $(objtree)/tools/ifdtool -w \
+ $(CONFIG_SYS_TEXT_BASE):$(objtree)/u-boot-dtb.bin u-boot.tmp
+ $(objtree)/tools/ifdtool -w \
+ $(CONFIG_X86_MRC_START):$(srctree)/board/$(BOARDDIR)/mrc.bin \
+ u-boot.tmp
+ $(objtree)/tools/ifdtool -w \
+ $(CONFIG_SYS_X86_START16):$(objtree)/u-boot-x86-16bit.bin \
+ u-boot.tmp
+ mv u-boot.tmp $@
+
+OBJCOPYFLAGS_u-boot-x86-16bit.bin := -O binary -j .start16 -j .resetvec
+u-boot-x86-16bit.bin: u-boot FORCE
+ $(call if_changed,objcopy)
+endif
+
ifneq ($(CONFIG_SUNXI),)
OBJCOPYFLAGS_u-boot-sunxi-with-spl.bin = -I binary -O binary \
--pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 0dba8ac..6e29868 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -12,9 +12,81 @@ choice
config TARGET_COREBOOT
bool "Support coreboot"
+ help
+ This target is used for running U-Boot on top of Coreboot. In
+ this case Coreboot does the early inititalisation, and U-Boot
+ takes over once the RAM, video and CPU are fully running.
+ U-Boot is loaded as a fallback payload from Coreboot, in
+ Coreboot terminology. This method was used for the Chromebook
+ Pixel when launched.
+
+config TARGET_CHROMEBOOK_LINK
+ bool "Support Chromebook link"
+ help
+ This is the Chromebook Pixel released in 2013. It uses an Intel
+ i5 Ivybridge which is a die-shrink of Sandybridge, with 4GB of
+ SDRAM. It has a Panther Point platform controller hub, PCIe
+ WiFi and Bluetooth. It also includes a 720p webcam, USB SD
+ reader, microphone and speakers, display port and 32GB SATA
+ solid state drive. There is a Chrome OS EC connected on LPC,
+ and it provides a 2560x1700 high resolution touch-enabled LCD
+ display.
endchoice
-source "board/chromebook-x86/coreboot/Kconfig"
+config RAMBASE
+ hex
+ default 0x100000
+
+config RAMTOP
+ hex
+ default 0x200000
+
+config XIP_ROM_SIZE
+ hex
+ default 0x10000
+
+config CPU_ADDR_BITS
+ int
+ default 36
+
+config HPET_ADDRESS
+ hex
+ default 0xfed00000 if !HPET_ADDRESS_OVERRIDE
+
+config SMM_TSEG
+ bool
+ default n
+
+config SMM_TSEG_SIZE
+ hex
+
+config ROM_SIZE
+ hex
+ default 0x800000
+
+config HAVE_INTEL_ME
+ bool "Platform requires Intel Management Engine"
+ help
+ Newer higher-end devices have an Intel Management Engine (ME)
+ which is a very large binary blob (typically 1.5MB) which is
+ required for the platform to work. This enforces a particular
+ SPI flash format. You will need to supply the me.bin file in
+ your board directory.
+
+config X86_RAMTEST
+ bool "Perform a simple RAM test after SDRAM initialisation"
+ help
+ If there is something wrong with SDRAM then the platform will
+ often crash within U-Boot or the kernel. This option enables a
+ very simple RAM test that quickly checks whether the SDRAM seems
+ to work correctly. It is not exhaustive but can save time by
+ detecting obvious failures.
+
+source "arch/x86/cpu/ivybridge/Kconfig"
+
+source "board/coreboot/coreboot/Kconfig"
+
+source "board/google/chromebook_link/Kconfig"
endmenu
diff --git a/arch/x86/config.mk b/arch/x86/config.mk
index 3e7fedb..bb2da46 100644
--- a/arch/x86/config.mk
+++ b/arch/x86/config.mk
@@ -15,7 +15,6 @@ PF_CPPFLAGS_X86 := $(call cc-option, -fno-toplevel-reorder, \
$(call cc-option, -mpreferred-stack-boundary=2)
PLATFORM_CPPFLAGS += $(PF_CPPFLAGS_X86)
PLATFORM_CPPFLAGS += -fno-dwarf2-cfi-asm
-PLATFORM_CPPFLAGS += -DREALMODE_BASE=0x7c0
PLATFORM_CPPFLAGS += -march=i386 -m32
# Support generic board on x86
diff --git a/arch/x86/cpu/Makefile b/arch/x86/cpu/Makefile
index 8dd7b06..2b9e9b9 100644
--- a/arch/x86/cpu/Makefile
+++ b/arch/x86/cpu/Makefile
@@ -13,3 +13,4 @@ obj-$(CONFIG_X86_RESET_VECTOR) += resetvec.o start16.o
obj-y += interrupts.o cpu.o call64.o
obj-$(CONFIG_SYS_COREBOOT) += coreboot/
+obj-$(CONFIG_PCI) += pci.o
diff --git a/arch/x86/cpu/coreboot/coreboot.c b/arch/x86/cpu/coreboot/coreboot.c
index e24f13a..2df7288 100644
--- a/arch/x86/cpu/coreboot/coreboot.c
+++ b/arch/x86/cpu/coreboot/coreboot.c
@@ -13,25 +13,25 @@
#include <ns16550.h>
#include <asm/msr.h>
#include <asm/cache.h>
+#include <asm/cpu.h>
#include <asm/io.h>
-#include <asm/arch-coreboot/tables.h>
-#include <asm/arch-coreboot/sysinfo.h>
+#include <asm/arch/tables.h>
+#include <asm/arch/sysinfo.h>
#include <asm/arch/timestamp.h>
DECLARE_GLOBAL_DATA_PTR;
-/*
- * Miscellaneous platform dependent initializations
- */
-int cpu_init_f(void)
+int arch_cpu_init(void)
{
int ret = get_coreboot_info(&lib_sysinfo);
- if (ret != 0)
+ if (ret != 0) {
printf("Failed to parse coreboot tables.\n");
+ return ret;
+ }
timestamp_init();
- return ret;
+ return x86_cpu_init_f();
}
int board_early_init_f(void)
@@ -50,27 +50,9 @@ int board_early_init_r(void)
return 0;
}
-void show_boot_progress(int val)
+int print_cpuinfo(void)
{
-#if MIN_PORT80_KCLOCKS_DELAY
- /*
- * Scale the time counter reading to avoid using 64 bit arithmetics.
- * Can't use get_timer() here becuase it could be not yet
- * initialized or even implemented.
- */
- if (!gd->arch.tsc_prev) {
- gd->arch.tsc_base_kclocks = rdtsc() / 1000;
- gd->arch.tsc_prev = 0;
- } else {
- uint32_t now;
-
- do {
- now = rdtsc() / 1000 - gd->arch.tsc_base_kclocks;
- } while (now < (gd->arch.tsc_prev + MIN_PORT80_KCLOCKS_DELAY));
- gd->arch.tsc_prev = now;
- }
-#endif
- outb(val, 0x80);
+ return default_print_cpuinfo();
}
int last_stage_init(void)
@@ -98,7 +80,7 @@ int board_eth_init(bd_t *bis)
#define MTRRphysBase_MSR(reg) (0x200 + 2 * (reg))
#define MTRRphysMask_MSR(reg) (0x200 + 2 * (reg) + 1)
-int board_final_cleanup(void)
+void board_final_cleanup(void)
{
/* Un-cache the ROM so the kernel has one
* more MTRR available.
@@ -120,8 +102,6 @@ int board_final_cleanup(void)
/* Issue SMI to Coreboot to lock down ME and registers */
printf("Finalizing Coreboot\n");
outb(0xcb, 0xb2);
-
- return 0;
}
void panic_puts(const char *str)
diff --git a/arch/x86/cpu/coreboot/ipchecksum.c b/arch/x86/cpu/coreboot/ipchecksum.c
index 57733d8..5f6c009 100644
--- a/arch/x86/cpu/coreboot/ipchecksum.c
+++ b/arch/x86/cpu/coreboot/ipchecksum.c
@@ -30,7 +30,7 @@
*/
#include <compiler.h>
-#include <asm/arch-coreboot/ipchecksum.h>
+#include <asm/arch/ipchecksum.h>
unsigned short ipchksum(const void *vptr, unsigned long nbytes)
{
diff --git a/arch/x86/cpu/coreboot/pci.c b/arch/x86/cpu/coreboot/pci.c
index b35d70c..6a3dd93 100644
--- a/arch/x86/cpu/coreboot/pci.c
+++ b/arch/x86/cpu/coreboot/pci.c
@@ -13,8 +13,6 @@
#include <pci.h>
#include <asm/pci.h>
-static struct pci_controller coreboot_hose;
-
static void config_pci_bridge(struct pci_controller *hose, pci_dev_t dev,
struct pci_config_table *table)
{
@@ -31,19 +29,13 @@ static struct pci_config_table pci_coreboot_config_table[] = {
{}
};
-void pci_init_board(void)
+void board_pci_setup_hose(struct pci_controller *hose)
{
- coreboot_hose.config_table = pci_coreboot_config_table;
- coreboot_hose.first_busno = 0;
- coreboot_hose.last_busno = 0;
-
- pci_set_region(coreboot_hose.regions + 0, 0x0, 0x0, 0xffffffff,
- PCI_REGION_MEM);
- coreboot_hose.region_count = 1;
-
- pci_setup_type1(&coreboot_hose);
-
- pci_register_hose(&coreboot_hose);
+ hose->config_table = pci_coreboot_config_table;
+ hose->first_busno = 0;
+ hose->last_busno = 0;
- pci_hose_scan(&coreboot_hose);
+ pci_set_region(hose->regions + 0, 0x0, 0x0, 0xffffffff,
+ PCI_REGION_MEM);
+ hose->region_count = 1;
}
diff --git a/arch/x86/cpu/coreboot/sdram.c b/arch/x86/cpu/coreboot/sdram.c
index 3140b6b..e98a230 100644
--- a/arch/x86/cpu/coreboot/sdram.c
+++ b/arch/x86/cpu/coreboot/sdram.c
@@ -11,8 +11,10 @@
#include <asm/e820.h>
#include <asm/u-boot-x86.h>
#include <asm/global_data.h>
+#include <asm/init_helpers.h>
#include <asm/processor.h>
#include <asm/sections.h>
+#include <asm/zimage.h>
#include <asm/arch/sysinfo.h>
#include <asm/arch/tables.h>
@@ -79,7 +81,7 @@ ulong board_get_usable_ram_top(ulong total_size)
return (ulong)dest_addr;
}
-int dram_init_f(void)
+int dram_init(void)
{
int i;
phys_size_t ram_size = 0;
@@ -94,10 +96,11 @@ int dram_init_f(void)
gd->ram_size = ram_size;
if (ram_size == 0)
return -1;
- return 0;
+
+ return calculate_relocation_address();
}
-int dram_init_banksize(void)
+void dram_init_banksize(void)
{
int i, j;
@@ -114,10 +117,4 @@ int dram_init_banksize(void)
}
}
}
- return 0;
-}
-
-int dram_init(void)
-{
- return dram_init_banksize();
}
diff --git a/arch/x86/cpu/coreboot/tables.c b/arch/x86/cpu/coreboot/tables.c
index 0d91adc..92b7528 100644
--- a/arch/x86/cpu/coreboot/tables.c
+++ b/arch/x86/cpu/coreboot/tables.c
@@ -8,9 +8,9 @@
*/
#include <common.h>
-#include <asm/arch-coreboot/ipchecksum.h>
-#include <asm/arch-coreboot/sysinfo.h>
-#include <asm/arch-coreboot/tables.h>
+#include <asm/arch/ipchecksum.h>
+#include <asm/arch/sysinfo.h>
+#include <asm/arch/tables.h>
/*
* This needs to be in the .data section so that it's copied over during
diff --git a/arch/x86/cpu/cpu.c b/arch/x86/cpu/cpu.c
index 2e25253..b391b7a 100644
--- a/arch/x86/cpu/cpu.c
+++ b/arch/x86/cpu/cpu.c
@@ -13,6 +13,9 @@
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Alex Zuepke <azu@sysgo.de>
*
+ * Part of this file is adapted from coreboot
+ * src/arch/x86/lib/cpu.c
+ *
* SPDX-License-Identifier: GPL-2.0+
*/
@@ -22,11 +25,14 @@
#include <malloc.h>
#include <asm/control_regs.h>
#include <asm/cpu.h>
+#include <asm/post.h>
#include <asm/processor.h>
#include <asm/processor-flags.h>
#include <asm/interrupt.h>
#include <linux/compiler.h>
+DECLARE_GLOBAL_DATA_PTR;
+
/*
* Constructor for a conventional segment GDT (or LDT) entry
* This is a macro so it can be used in initialisers
@@ -43,6 +49,52 @@ struct gdt_ptr {
u32 ptr;
} __packed;
+struct cpu_device_id {
+ unsigned vendor;
+ unsigned device;
+};
+
+struct cpuinfo_x86 {
+ uint8_t x86; /* CPU family */
+ uint8_t x86_vendor; /* CPU vendor */
+ uint8_t x86_model;
+ uint8_t x86_mask;
+};
+
+/*
+ * List of cpu vendor strings along with their normalized
+ * id values.
+ */
+static struct {
+ int vendor;
+ const char *name;
+} x86_vendors[] = {
+ { X86_VENDOR_INTEL, "GenuineIntel", },
+ { X86_VENDOR_CYRIX, "CyrixInstead", },
+ { X86_VENDOR_AMD, "AuthenticAMD", },
+ { X86_VENDOR_UMC, "UMC UMC UMC ", },
+ { X86_VENDOR_NEXGEN, "NexGenDriven", },
+ { X86_VENDOR_CENTAUR, "CentaurHauls", },
+ { X86_VENDOR_RISE, "RiseRiseRise", },
+ { X86_VENDOR_TRANSMETA, "GenuineTMx86", },
+ { X86_VENDOR_TRANSMETA, "TransmetaCPU", },
+ { X86_VENDOR_NSC, "Geode by NSC", },
+ { X86_VENDOR_SIS, "SiS SiS SiS ", },
+};
+
+static const char *const x86_vendor_name[] = {
+ [X86_VENDOR_INTEL] = "Intel",
+ [X86_VENDOR_CYRIX] = "Cyrix",
+ [X86_VENDOR_AMD] = "AMD",
+ [X86_VENDOR_UMC] = "UMC",
+ [X86_VENDOR_NEXGEN] = "NexGen",
+ [X86_VENDOR_CENTAUR] = "Centaur",
+ [X86_VENDOR_RISE] = "Rise",
+ [X86_VENDOR_TRANSMETA] = "Transmeta",
+ [X86_VENDOR_NSC] = "NSC",
+ [X86_VENDOR_SIS] = "SiS",
+};
+
static void load_ds(u32 segment)
{
asm volatile("movl %0, %%ds" : : "r" (segment * X86_GDT_ENTRY_SIZE));
@@ -115,6 +167,129 @@ int __weak x86_cleanup_before_linux(void)
return 0;
}
+/*
+ * Cyrix CPUs without cpuid or with cpuid not yet enabled can be detected
+ * by the fact that they preserve the flags across the division of 5/2.
+ * PII and PPro exhibit this behavior too, but they have cpuid available.
+ */
+
+/*
+ * Perform the Cyrix 5/2 test. A Cyrix won't change
+ * the flags, while other 486 chips will.
+ */
+static inline int test_cyrix_52div(void)
+{
+ unsigned int test;
+
+ __asm__ __volatile__(
+ "sahf\n\t" /* clear flags (%eax = 0x0005) */
+ "div %b2\n\t" /* divide 5 by 2 */
+ "lahf" /* store flags into %ah */
+ : "=a" (test)
+ : "0" (5), "q" (2)
+ : "cc");
+
+ /* AH is 0x02 on Cyrix after the divide.. */
+ return (unsigned char) (test >> 8) == 0x02;
+}
+
+/*
+ * Detect a NexGen CPU running without BIOS hypercode new enough
+ * to have CPUID. (Thanks to Herbert Oppmann)
+ */
+
+static int deep_magic_nexgen_probe(void)
+{
+ int ret;
+
+ __asm__ __volatile__ (
+ " movw $0x5555, %%ax\n"
+ " xorw %%dx,%%dx\n"
+ " movw $2, %%cx\n"
+ " divw %%cx\n"
+ " movl $0, %%eax\n"
+ " jnz 1f\n"
+ " movl $1, %%eax\n"
+ "1:\n"
+ : "=a" (ret) : : "cx", "dx");
+ return ret;
+}
+
+static bool has_cpuid(void)
+{
+ return flag_is_changeable_p(X86_EFLAGS_ID);
+}
+
+static int build_vendor_name(char *vendor_name)
+{
+ struct cpuid_result result;
+ result = cpuid(0x00000000);
+ unsigned int *name_as_ints = (unsigned int *)vendor_name;
+
+ name_as_ints[0] = result.ebx;
+ name_as_ints[1] = result.edx;
+ name_as_ints[2] = result.ecx;
+
+ return result.eax;
+}
+
+static void identify_cpu(struct cpu_device_id *cpu)
+{
+ char vendor_name[16];
+ int i;
+
+ vendor_name[0] = '\0'; /* Unset */
+ cpu->device = 0; /* fix gcc 4.4.4 warning */
+
+ /* Find the id and vendor_name */
+ if (!has_cpuid()) {
+ /* Its a 486 if we can modify the AC flag */
+ if (flag_is_changeable_p(X86_EFLAGS_AC))
+ cpu->device = 0x00000400; /* 486 */
+ else
+ cpu->device = 0x00000300; /* 386 */
+ if ((cpu->device == 0x00000400) && test_cyrix_52div()) {
+ memcpy(vendor_name, "CyrixInstead", 13);
+ /* If we ever care we can enable cpuid here */
+ }
+ /* Detect NexGen with old hypercode */
+ else if (deep_magic_nexgen_probe())
+ memcpy(vendor_name, "NexGenDriven", 13);
+ }
+ if (has_cpuid()) {
+ int cpuid_level;
+
+ cpuid_level = build_vendor_name(vendor_name);
+ vendor_name[12] = '\0';
+
+ /* Intel-defined flags: level 0x00000001 */
+ if (cpuid_level >= 0x00000001) {
+ cpu->device = cpuid_eax(0x00000001);
+ } else {
+ /* Have CPUID level 0 only unheard of */
+ cpu->device = 0x00000400;
+ }
+ }
+ cpu->vendor = X86_VENDOR_UNKNOWN;
+ for (i = 0; i < ARRAY_SIZE(x86_vendors); i++) {
+ if (memcmp(vendor_name, x86_vendors[i].name, 12) == 0) {
+ cpu->vendor = x86_vendors[i].vendor;
+ break;
+ }
+ }
+}
+
+static inline void get_fms(struct cpuinfo_x86 *c, uint32_t tfms)
+{
+ c->x86 = (tfms >> 8) & 0xf;
+ c->x86_model = (tfms >> 4) & 0xf;
+ c->x86_mask = tfms & 0xf;
+ if (c->x86 == 0xf)
+ c->x86 += (tfms >> 20) & 0xff;
+ if (c->x86 >= 0x6)
+ c->x86_model += ((tfms >> 16) & 0xF) << 4;
+}
+
int x86_cpu_init_f(void)
{
const u32 em_rst = ~X86_CR0_EM;
@@ -128,9 +303,22 @@ int x86_cpu_init_f(void)
"movl %%eax, %%cr0\n" \
: : "i" (em_rst), "i" (mp_ne_set) : "eax");
+ /* identify CPU via cpuid and store the decoded info into gd->arch */
+ if (has_cpuid()) {
+ struct cpu_device_id cpu;
+ struct cpuinfo_x86 c;
+
+ identify_cpu(&cpu);
+ get_fms(&c, cpu.device);
+ gd->arch.x86 = c.x86;
+ gd->arch.x86_vendor = cpu.vendor;
+ gd->arch.x86_model = c.x86_model;
+ gd->arch.x86_mask = c.x86_mask;
+ gd->arch.x86_device = cpu.device;
+ }
+
return 0;
}
-int cpu_init_f(void) __attribute__((weak, alias("x86_cpu_init_f")));
int x86_cpu_init_r(void)
{
@@ -198,14 +386,13 @@ asm(".globl generate_gpf\n"
"generate_gpf:\n"
"ljmp $0x70, $0x47114711\n");
-void __reset_cpu(ulong addr)
+__weak void reset_cpu(ulong addr)
{
printf("Resetting using x86 Triple Fault\n");
set_vector(13, generate_gpf); /* general protection fault handler */
set_vector(8, generate_gpf); /* double fault handler */
generate_gpf(); /* start the show */
}
-void reset_cpu(ulong addr) __attribute__((weak, alias("__reset_cpu")));
int dcache_status(void)
{
@@ -279,66 +466,63 @@ void cpu_disable_paging_pae(void)
: "eax");
}
-static bool has_cpuid(void)
+static bool can_detect_long_mode(void)
{
- unsigned long flag;
-
- asm volatile("pushf\n" \
- "pop %%eax\n"
- "mov %%eax, %%ecx\n" /* ecx = flags */
- "xor %1, %%eax\n"
- "push %%eax\n"
- "popf\n" /* flags ^= $2 */
- "pushf\n"
- "pop %%eax\n" /* eax = flags */
- "push %%ecx\n"
- "popf\n" /* flags = ecx */
- "xor %%ecx, %%eax\n"
- "mov %%eax, %0"
- : "=r" (flag)
- : "i" (1 << 21)
- : "eax", "ecx", "memory");
+ return cpuid_eax(0x80000000) > 0x80000000UL;
+}
- return flag != 0;
+static bool has_long_mode(void)
+{
+ return cpuid_edx(0x80000001) & (1 << 29) ? true : false;
}
-static bool can_detect_long_mode(void)
+int cpu_has_64bit(void)
{
- unsigned long flag;
+ return has_cpuid() && can_detect_long_mode() &&
+ has_long_mode();
+}
- asm volatile("mov $0x80000000, %%eax\n"
- "cpuid\n"
- "mov %%eax, %0"
- : "=r" (flag)
- :
- : "eax", "ebx", "ecx", "edx", "memory");
+const char *cpu_vendor_name(int vendor)
+{
+ const char *name;
+ name = "<invalid cpu vendor>";
+ if ((vendor < (ARRAY_SIZE(x86_vendor_name))) &&
+ (x86_vendor_name[vendor] != 0))
+ name = x86_vendor_name[vendor];
- return flag > 0x80000000UL;
+ return name;
}
-static bool has_long_mode(void)
+char *cpu_get_name(char *name)
{
- unsigned long flag;
+ unsigned int *name_as_ints = (unsigned int *)name;
+ struct cpuid_result regs;
+ char *ptr;
+ int i;
- asm volatile("mov $0x80000001, %%eax\n"
- "cpuid\n"
- "mov %%edx, %0"
- : "=r" (flag)
- :
- : "eax", "ebx", "ecx", "edx", "memory");
+ /* This bit adds up to 48 bytes */
+ for (i = 0; i < 3; i++) {
+ regs = cpuid(0x80000002 + i);
+ name_as_ints[i * 4 + 0] = regs.eax;
+ name_as_ints[i * 4 + 1] = regs.ebx;
+ name_as_ints[i * 4 + 2] = regs.ecx;
+ name_as_ints[i * 4 + 3] = regs.edx;
+ }
+ name[CPU_MAX_NAME_LEN - 1] = '\0';
- return flag & (1 << 29) ? true : false;
-}
+ /* Skip leading spaces. */
+ ptr = name;
+ while (*ptr == ' ')
+ ptr++;
-int cpu_has_64bit(void)
-{
- return has_cpuid() && can_detect_long_mode() &&
- has_long_mode();
+ return ptr;
}
-int print_cpuinfo(void)
+int default_print_cpuinfo(void)
{
- printf("CPU: %s\n", cpu_has_64bit() ? "x86_64" : "x86");
+ printf("CPU: %s, vendor %s, device %xh\n",
+ cpu_has_64bit() ? "x86_64" : "x86",
+ cpu_vendor_name(gd->arch.x86_vendor), gd->arch.x86_device);
return 0;
}
@@ -384,3 +568,26 @@ int cpu_jump_to_64bit(ulong setup_base, ulong target)
return -EFAULT;
}
+
+void show_boot_progress(int val)
+{
+#if MIN_PORT80_KCLOCKS_DELAY
+ /*
+ * Scale the time counter reading to avoid using 64 bit arithmetics.
+ * Can't use get_timer() here becuase it could be not yet
+ * initialized or even implemented.
+ */
+ if (!gd->arch.tsc_prev) {
+ gd->arch.tsc_base_kclocks = rdtsc() / 1000;
+ gd->arch.tsc_prev = 0;
+ } else {
+ uint32_t now;
+
+ do {
+ now = rdtsc() / 1000 - gd->arch.tsc_base_kclocks;
+ } while (now < (gd->arch.tsc_prev + MIN_PORT80_KCLOCKS_DELAY));
+ gd->arch.tsc_prev = now;
+ }
+#endif
+ outb(val, POST_PORT);
+}
diff --git a/arch/x86/cpu/interrupts.c b/arch/x86/cpu/interrupts.c
index 6f3d85f..51e2c59 100644
--- a/arch/x86/cpu/interrupts.c
+++ b/arch/x86/cpu/interrupts.c
@@ -31,7 +31,7 @@ DECLARE_GLOBAL_DATA_PTR;
"pushl $"#x"\n" \
"jmp irq_common_entry\n"
-void dump_regs(struct irq_regs *regs)
+static void dump_regs(struct irq_regs *regs)
{
unsigned long cr0 = 0L, cr2 = 0L, cr3 = 0L, cr4 = 0L;
unsigned long d0, d1, d2, d3, d6, d7;
diff --git a/arch/x86/cpu/ivybridge/Kconfig b/arch/x86/cpu/ivybridge/Kconfig
new file mode 100644
index 0000000..afca957
--- /dev/null
+++ b/arch/x86/cpu/ivybridge/Kconfig
@@ -0,0 +1,172 @@
+#
+# From Coreboot src/northbridge/intel/sandybridge/Kconfig
+#
+# Copyright (C) 2010 Google Inc.
+#
+# SPDX-License-Identifier: GPL-2.0
+
+
+config NORTHBRIDGE_INTEL_SANDYBRIDGE
+ bool
+ select CACHE_MRC_BIN
+ select CPU_INTEL_MODEL_206AX
+
+config NORTHBRIDGE_INTEL_IVYBRIDGE
+ bool
+ select CACHE_MRC_BIN
+ select CPU_INTEL_MODEL_306AX
+
+if NORTHBRIDGE_INTEL_SANDYBRIDGE
+
+config VGA_BIOS_ID
+ string
+ default "8086,0106"
+
+config CACHE_MRC_SIZE_KB
+ int
+ default 256
+
+config MRC_CACHE_BASE
+ hex
+ default 0xff800000
+
+config MRC_CACHE_LOCATION
+ hex
+ depends on !CHROMEOS
+ default 0x1ec000
+
+config MRC_CACHE_SIZE
+ hex
+ depends on !CHROMEOS
+ default 0x10000
+
+config DCACHE_RAM_BASE
+ hex
+ default 0xff7f0000
+
+config DCACHE_RAM_SIZE
+ hex
+ default 0x10000
+
+endif
+
+if NORTHBRIDGE_INTEL_IVYBRIDGE
+
+config VGA_BIOS_ID
+ string
+ default "8086,0166"
+
+config EXTERNAL_MRC_BLOB
+ bool
+ default n
+
+config CACHE_MRC_SIZE_KB
+ int
+ default 512
+
+config MRC_CACHE_BASE
+ hex
+ default 0xff800000
+
+config MRC_CACHE_LOCATION
+ hex
+ depends on !CHROMEOS
+ default 0x370000
+
+config MRC_CACHE_SIZE
+ hex
+ depends on !CHROMEOS
+ default 0x10000
+
+config DCACHE_RAM_BASE
+ hex
+ default 0xff7e0000
+
+config DCACHE_RAM_SIZE
+ hex
+ default 0x20000
+
+endif
+
+if NORTHBRIDGE_INTEL_SANDYBRIDGE || NORTHBRIDGE_INTEL_IVYBRIDGE
+
+config HAVE_MRC
+ bool "Add a System Agent binary"
+ help
+ Select this option to add a System Agent binary to
+ the resulting U-Boot image. MRC stands for Memory Reference Code.
+ It is a binary blob which U-Boot uses to set up SDRAM.
+
+ Note: Without this binary U-Boot will not be able to set up its
+ SDRAM so will not boot.
+
+config DCACHE_RAM_MRC_VAR_SIZE
+ hex
+ default 0x4000
+ help
+ This is the amount of CAR (Cache as RAM) reserved for use by the
+ memory reference code. This should be set to 16KB (0x4000 hex)
+ so that MRC has enough space to run.
+
+config MRC_FILE
+ string "Intel System Agent path and filename"
+ depends on HAVE_MRC
+ default "systemagent-ivybridge.bin" if NORTHBRIDGE_INTEL_IVYBRIDGE
+ default "systemagent-sandybridge.bin" if NORTHBRIDGE_INTEL_SANDYBRIDGE
+ help
+ The path and filename of the file to use as System Agent
+ binary.
+
+config CPU_SPECIFIC_OPTIONS
+ def_bool y
+ select SMM_TSEG
+ select ARCH_BOOTBLOCK_X86_32
+ select ARCH_ROMSTAGE_X86_32
+ select ARCH_RAMSTAGE_X86_32
+ select SMP
+ select SSE2
+ select UDELAY_LAPIC
+ select CPU_MICROCODE_IN_CBFS
+ select TSC_SYNC_MFENCE
+ select HAVE_INTEL_ME
+ select X86_RAMTEST
+
+config SMM_TSEG_SIZE
+ hex
+ default 0x800000
+
+config ENABLE_VMX
+ bool "Enable VMX for virtualization"
+ default n
+ help
+ Virtual Machine Extensions are provided in many x86 CPUs. These
+ provide various facilities for allowing a host OS to provide an
+ environment where potentially several guest OSes have only
+ limited access to the underlying hardware. This is achieved
+ without resorting to software trapping and/or instruction set
+ emulation (which would be very slow).
+
+ Intel's implementation of this is called VT-x. This option enables
+ VT-x this so that the OS that is booted by U-Boot can make use of
+ these facilities. If this option is not enabled, then the host OS
+ will be unable to support virtualisation, or it will run very
+ slowly.
+
+endif
+
+config CPU_INTEL_SOCKET_RPGA989
+ bool
+
+if CPU_INTEL_SOCKET_RPGA989
+
+config SOCKET_SPECIFIC_OPTIONS # dummy
+ def_bool y
+ select MMX
+ select SSE
+ select CACHE_AS_RAM
+
+config CACHE_MRC_BIN
+ bool
+ default n
+
+endif
diff --git a/arch/x86/cpu/ivybridge/Makefile b/arch/x86/cpu/ivybridge/Makefile
new file mode 100644
index 0000000..721b37e
--- /dev/null
+++ b/arch/x86/cpu/ivybridge/Makefile
@@ -0,0 +1,16 @@
+#
+# Copyright (c) 2014 Google, Inc
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-y += car.o
+obj-y += cpu.o
+obj-y += early_init.o
+obj-y += early_me.o
+obj-y += lpc.o
+obj-y += me_status.o
+obj-y += microcode_intel.o
+obj-y += pci.o
+obj-y += report_platform.o
+obj-y += sdram.o
diff --git a/arch/x86/cpu/ivybridge/car.S b/arch/x86/cpu/ivybridge/car.S
new file mode 100644
index 0000000..dca68e4
--- /dev/null
+++ b/arch/x86/cpu/ivybridge/car.S
@@ -0,0 +1,178 @@
+/*
+ * Copyright (c) 2014 Google, Inc
+ *
+ * From Coreboot file cpu/intel/model_206ax/cache_as_ram.inc
+ *
+ * Copyright (C) 2000,2007 Ronald G. Minnich <rminnich@gmail.com>
+ * Copyright (C) 2005 Tyan (written by Yinghai Lu for Tyan)
+ * Copyright (C) 2007-2008 coresystems GmbH
+ * Copyright (C) 2012 Kyösti Mälkki <kyosti.malkki@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <asm/mtrr.h>
+#include <asm/post.h>
+#include <asm/processor-flags.h>
+
+#define MTRR_PHYS_BASE_MSR(reg) (0x200 + 2 * (reg))
+#define MTRR_PHYS_MASK_MSR(reg) (0x200 + 2 * (reg) + 1)
+
+#define CACHE_AS_RAM_SIZE CONFIG_DCACHE_RAM_SIZE
+#define CACHE_AS_RAM_BASE CONFIG_DCACHE_RAM_BASE
+
+/* Cache 4GB - MRC_SIZE_KB for MRC */
+#define CACHE_MRC_BYTES ((CONFIG_CACHE_MRC_SIZE_KB << 10) - 1)
+#define CACHE_MRC_BASE (0xFFFFFFFF - CACHE_MRC_BYTES)
+#define CACHE_MRC_MASK (~CACHE_MRC_BYTES)
+
+#define CPU_PHYSMASK_HI (1 << (CONFIG_CPU_ADDR_BITS - 32) - 1)
+
+#define NOEVICTMOD_MSR 0x2e0
+
+ /*
+ * Note: ebp must not be touched in this code as it holds the BIST
+ * value (built-in self test). We preserve this value until it can
+ * be written to global_data when CAR is ready for use.
+ */
+.globl car_init
+car_init:
+ post_code(POST_CAR_START)
+
+ /* Send INIT IPI to all excluding ourself */
+ movl $0x000C4500, %eax
+ movl $0xFEE00300, %esi
+ movl %eax, (%esi)
+
+ post_code(POST_CAR_SIPI)
+ /* Zero out all fixed range and variable range MTRRs */
+ movl $mtrr_table, %esi
+ movl $((mtrr_table_end - mtrr_table) / 2), %edi
+ xorl %eax, %eax
+ xorl %edx, %edx
+clear_mtrrs:
+ movw (%esi), %bx
+ movzx %bx, %ecx
+ wrmsr
+ add $2, %esi
+ dec %edi
+ jnz clear_mtrrs
+
+ post_code(POST_CAR_MTRR)
+ /* Configure the default memory type to uncacheable */
+ movl $MTRRdefType_MSR, %ecx
+ rdmsr
+ andl $(~0x00000cff), %eax
+ wrmsr
+
+ post_code(POST_CAR_UNCACHEABLE)
+ /* Set Cache-as-RAM base address */
+ movl $(MTRR_PHYS_BASE_MSR(0)), %ecx
+ movl $(CACHE_AS_RAM_BASE | MTRR_TYPE_WRBACK), %eax
+ xorl %edx, %edx
+ wrmsr
+
+ post_code(POST_CAR_BASE_ADDRESS)
+ /* Set Cache-as-RAM mask */
+ movl $(MTRR_PHYS_MASK_MSR(0)), %ecx
+ movl $(~(CACHE_AS_RAM_SIZE - 1) | MTRRphysMaskValid), %eax
+ movl $CPU_PHYSMASK_HI, %edx
+ wrmsr
+
+ post_code(POST_CAR_MASK)
+
+ /* Enable MTRR */
+ movl $MTRRdefType_MSR, %ecx
+ rdmsr
+ orl $MTRRdefTypeEn, %eax
+ wrmsr
+
+ /* Enable cache (CR0.CD = 0, CR0.NW = 0) */
+ movl %cr0, %eax
+ andl $(~(X86_CR0_CD | X86_CR0_NW)), %eax
+ invd
+ movl %eax, %cr0
+
+ /* enable the 'no eviction' mode */
+ movl $NOEVICTMOD_MSR, %ecx
+ rdmsr
+ orl $1, %eax
+ andl $~2, %eax
+ wrmsr
+
+ /* Clear the cache memory region. This will also fill up the cache */
+ movl $CACHE_AS_RAM_BASE, %esi
+ movl %esi, %edi
+ movl $(CACHE_AS_RAM_SIZE / 4), %ecx
+ xorl %eax, %eax
+ rep stosl
+
+ /* enable the 'no eviction run' state */
+ movl $NOEVICTMOD_MSR, %ecx
+ rdmsr
+ orl $3, %eax
+ wrmsr
+
+ post_code(POST_CAR_FILL)
+ /* Enable Cache-as-RAM mode by disabling cache */
+ movl %cr0, %eax
+ orl $X86_CR0_CD, %eax
+ movl %eax, %cr0
+
+ /* Enable cache for our code in Flash because we do XIP here */
+ movl $MTRR_PHYS_BASE_MSR(1), %ecx
+ xorl %edx, %edx
+ movl $car_init_ret, %eax
+ andl $(~(CONFIG_XIP_ROM_SIZE - 1)), %eax
+ orl $MTRR_TYPE_WRPROT, %eax
+ wrmsr
+
+ movl $MTRR_PHYS_MASK_MSR(1), %ecx
+ movl $CPU_PHYSMASK_HI, %edx
+ movl $(~(CONFIG_XIP_ROM_SIZE - 1) | MTRRphysMaskValid), %eax
+ wrmsr
+
+ post_code(POST_CAR_ROM_CACHE)
+#ifdef CONFIG_CACHE_MRC_BIN
+ /* Enable caching for ram init code to run faster */
+ movl $MTRR_PHYS_BASE_MSR(2), %ecx
+ movl $(CACHE_MRC_BASE | MTRR_TYPE_WRPROT), %eax
+ xorl %edx, %edx
+ wrmsr
+ movl $MTRR_PHYS_MASK_MSR(2), %ecx
+ movl $(CACHE_MRC_MASK | MTRRphysMaskValid), %eax
+ movl $CPU_PHYSMASK_HI, %edx
+ wrmsr
+#endif
+
+ post_code(POST_CAR_MRC_CACHE)
+ /* Enable cache */
+ movl %cr0, %eax
+ andl $(~(X86_CR0_CD | X86_CR0_NW)), %eax
+ movl %eax, %cr0
+
+ post_code(POST_CAR_CPU_CACHE)
+
+ /* All CPUs need to be in Wait for SIPI state */
+wait_for_sipi:
+ movl (%esi), %eax
+ bt $12, %eax
+ jc wait_for_sipi
+
+ /* return */
+ jmp car_init_ret
+
+mtrr_table:
+ /* Fixed MTRRs */
+ .word 0x250, 0x258, 0x259
+ .word 0x268, 0x269, 0x26A
+ .word 0x26B, 0x26C, 0x26D
+ .word 0x26E, 0x26F
+ /* Variable MTRRs */
+ .word 0x200, 0x201, 0x202, 0x203
+ .word 0x204, 0x205, 0x206, 0x207
+ .word 0x208, 0x209, 0x20A, 0x20B
+ .word 0x20C, 0x20D, 0x20E, 0x20F
+ .word 0x210, 0x211, 0x212, 0x213
+mtrr_table_end:
diff --git a/arch/x86/cpu/ivybridge/cpu.c b/arch/x86/cpu/ivybridge/cpu.c
new file mode 100644
index 0000000..60976db
--- /dev/null
+++ b/arch/x86/cpu/ivybridge/cpu.c
@@ -0,0 +1,357 @@
+/*
+ * Copyright (c) 2014 Google, Inc
+ * (C) Copyright 2008
+ * Graeme Russ, graeme.russ@gmail.com.
+ *
+ * Some portions from coreboot src/mainboard/google/link/romstage.c
+ * and src/cpu/intel/model_206ax/bootblock.c
+ * Copyright (C) 2007-2010 coresystems GmbH
+ * Copyright (C) 2011 Google Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <errno.h>
+#include <fdtdec.h>
+#include <asm/cpu.h>
+#include <asm/io.h>
+#include <asm/lapic.h>
+#include <asm/msr.h>
+#include <asm/mtrr.h>
+#include <asm/pci.h>
+#include <asm/post.h>
+#include <asm/processor.h>
+#include <asm/arch/model_206ax.h>
+#include <asm/arch/microcode.h>
+#include <asm/arch/pch.h>
+#include <asm/arch/sandybridge.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static void enable_port80_on_lpc(struct pci_controller *hose, pci_dev_t dev)
+{
+ /* Enable port 80 POST on LPC */
+ pci_hose_write_config_dword(hose, dev, PCH_RCBA_BASE, DEFAULT_RCBA | 1);
+ clrbits_le32(RCB_REG(GCS), 4);
+}
+
+/*
+ * Enable Prefetching and Caching.
+ */
+static void enable_spi_prefetch(struct pci_controller *hose, pci_dev_t dev)
+{
+ u8 reg8;
+
+ pci_hose_read_config_byte(hose, dev, 0xdc, &reg8);
+ reg8 &= ~(3 << 2);
+ reg8 |= (2 << 2); /* Prefetching and Caching Enabled */
+ pci_hose_write_config_byte(hose, dev, 0xdc, reg8);
+}
+
+static void set_var_mtrr(
+ unsigned reg, unsigned base, unsigned size, unsigned type)
+
+{
+ /* Bit Bit 32-35 of MTRRphysMask should be set to 1 */
+ /* FIXME: It only support 4G less range */
+ wrmsr(MTRRphysBase_MSR(reg), base | type, 0);
+ wrmsr(MTRRphysMask_MSR(reg), ~(size - 1) | MTRRphysMaskValid,
+ (1 << (CONFIG_CPU_ADDR_BITS - 32)) - 1);
+}
+
+static void enable_rom_caching(void)
+{
+ disable_caches();
+ set_var_mtrr(1, 0xffc00000, 4 << 20, MTRR_TYPE_WRPROT);
+ enable_caches();
+
+ /* Enable Variable MTRRs */
+ wrmsr(MTRRdefType_MSR, 0x800, 0);
+}
+
+static int set_flex_ratio_to_tdp_nominal(void)
+{
+ msr_t flex_ratio, msr;
+ u8 nominal_ratio;
+
+ /* Minimum CPU revision for configurable TDP support */
+ if (cpuid_eax(1) < IVB_CONFIG_TDP_MIN_CPUID)
+ return -EINVAL;
+
+ /* Check for Flex Ratio support */
+ flex_ratio = msr_read(MSR_FLEX_RATIO);
+ if (!(flex_ratio.lo & FLEX_RATIO_EN))
+ return -EINVAL;
+
+ /* Check for >0 configurable TDPs */
+ msr = msr_read(MSR_PLATFORM_INFO);
+ if (((msr.hi >> 1) & 3) == 0)
+ return -EINVAL;
+
+ /* Use nominal TDP ratio for flex ratio */
+ msr = msr_read(MSR_CONFIG_TDP_NOMINAL);
+ nominal_ratio = msr.lo & 0xff;
+
+ /* See if flex ratio is already set to nominal TDP ratio */
+ if (((flex_ratio.lo >> 8) & 0xff) == nominal_ratio)
+ return 0;
+
+ /* Set flex ratio to nominal TDP ratio */
+ flex_ratio.lo &= ~0xff00;
+ flex_ratio.lo |= nominal_ratio << 8;
+ flex_ratio.lo |= FLEX_RATIO_LOCK;
+ msr_write(MSR_FLEX_RATIO, flex_ratio);
+
+ /* Set flex ratio in soft reset data register bits 11:6 */
+ clrsetbits_le32(RCB_REG(SOFT_RESET_DATA), 0x3f << 6,
+ (nominal_ratio & 0x3f) << 6);
+
+ /* Set soft reset control to use register value */
+ setbits_le32(RCB_REG(SOFT_RESET_CTRL), 1);
+
+ /* Issue warm reset, will be "CPU only" due to soft reset data */
+ outb(0x0, PORT_RESET);
+ outb(0x6, PORT_RESET);
+ cpu_hlt();
+
+ /* Not reached */
+ return -EINVAL;
+}
+
+static void set_spi_speed(void)
+{
+ u32 fdod;
+
+ /* Observe SPI Descriptor Component Section 0 */
+ writel(0x1000, RCB_REG(SPI_DESC_COMP0));
+
+ /* Extract the1 Write/Erase SPI Frequency from descriptor */
+ fdod = readl(RCB_REG(SPI_FREQ_WR_ERA));
+ fdod >>= 24;
+ fdod &= 7;
+
+ /* Set Software Sequence frequency to match */
+ clrsetbits_8(RCB_REG(SPI_FREQ_SWSEQ), 7, fdod);
+}
+
+int arch_cpu_init(void)
+{
+ const void *blob = gd->fdt_blob;
+ struct pci_controller *hose;
+ int node;
+ int ret;
+
+ post_code(POST_CPU_INIT);
+ timer_set_base(rdtsc());
+
+ ret = x86_cpu_init_f();
+ if (ret)
+ return ret;
+
+ ret = pci_early_init_hose(&hose);
+ if (ret)
+ return ret;
+
+ node = fdtdec_next_compatible(blob, 0, COMPAT_INTEL_LPC);
+ if (node < 0)
+ return -ENOENT;
+ ret = lpc_early_init(gd->fdt_blob, node, PCH_LPC_DEV);
+ if (ret)
+ return ret;
+
+ enable_spi_prefetch(hose, PCH_LPC_DEV);
+
+ /* This is already done in start.S, but let's do it in C */
+ enable_port80_on_lpc(hose, PCH_LPC_DEV);
+
+ /* already done in car.S */
+ if (false)
+ enable_rom_caching();
+
+ set_spi_speed();
+
+ /*
+ * We should do as little as possible before the serial console is
+ * up. Perhaps this should move to later. Our next lot of init
+ * happens in print_cpuinfo() when we have a console
+ */
+ ret = set_flex_ratio_to_tdp_nominal();
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static int enable_smbus(void)
+{
+ pci_dev_t dev;
+ uint16_t value;
+
+ /* Set the SMBus device statically. */
+ dev = PCI_BDF(0x0, 0x1f, 0x3);
+
+ /* Check to make sure we've got the right device. */
+ value = pci_read_config16(dev, 0x0);
+ if (value != 0x8086) {
+ printf("SMBus controller not found\n");
+ return -ENOSYS;
+ }
+
+ /* Set SMBus I/O base. */
+ pci_write_config32(dev, SMB_BASE,
+ SMBUS_IO_BASE | PCI_BASE_ADDRESS_SPACE_IO);
+
+ /* Set SMBus enable. */
+ pci_write_config8(dev, HOSTC, HST_EN);
+
+ /* Set SMBus I/O space enable. */
+ pci_write_config16(dev, PCI_COMMAND, PCI_COMMAND_IO);
+
+ /* Disable interrupt generation. */
+ outb(0, SMBUS_IO_BASE + SMBHSTCTL);
+
+ /* Clear any lingering errors, so transactions can run. */
+ outb(inb(SMBUS_IO_BASE + SMBHSTSTAT), SMBUS_IO_BASE + SMBHSTSTAT);
+ debug("SMBus controller enabled\n");
+
+ return 0;
+}
+
+#define PCH_EHCI0_TEMP_BAR0 0xe8000000
+#define PCH_EHCI1_TEMP_BAR0 0xe8000400
+#define PCH_XHCI_TEMP_BAR0 0xe8001000
+
+/*
+ * Setup USB controller MMIO BAR to prevent the reference code from
+ * resetting the controller.
+ *
+ * The BAR will be re-assigned during device enumeration so these are only
+ * temporary.
+ *
+ * This is used to speed up the resume path.
+ */
+static void enable_usb_bar(void)
+{
+ pci_dev_t usb0 = PCH_EHCI1_DEV;
+ pci_dev_t usb1 = PCH_EHCI2_DEV;
+ pci_dev_t usb3 = PCH_XHCI_DEV;
+ u32 cmd;
+
+ /* USB Controller 1 */
+ pci_write_config32(usb0, PCI_BASE_ADDRESS_0,
+ PCH_EHCI0_TEMP_BAR0);
+ cmd = pci_read_config32(usb0, PCI_COMMAND);
+ cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
+ pci_write_config32(usb0, PCI_COMMAND, cmd);
+
+ /* USB Controller 1 */
+ pci_write_config32(usb1, PCI_BASE_ADDRESS_0,
+ PCH_EHCI1_TEMP_BAR0);
+ cmd = pci_read_config32(usb1, PCI_COMMAND);
+ cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
+ pci_write_config32(usb1, PCI_COMMAND, cmd);
+
+ /* USB3 Controller */
+ pci_write_config32(usb3, PCI_BASE_ADDRESS_0,
+ PCH_XHCI_TEMP_BAR0);
+ cmd = pci_read_config32(usb3, PCI_COMMAND);
+ cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
+ pci_write_config32(usb3, PCI_COMMAND, cmd);
+}
+
+static int report_bist_failure(void)
+{
+ if (gd->arch.bist != 0) {
+ printf("BIST failed: %08x\n", gd->arch.bist);
+ return -EFAULT;
+ }
+
+ return 0;
+}
+
+int print_cpuinfo(void)
+{
+ enum pei_boot_mode_t boot_mode = PEI_BOOT_NONE;
+ char processor_name[CPU_MAX_NAME_LEN];
+ const char *name;
+ uint32_t pm1_cnt;
+ uint16_t pm1_sts;
+ int ret;
+
+ /* Halt if there was a built in self test failure */
+ ret = report_bist_failure();
+ if (ret)
+ return ret;
+
+ enable_lapic();
+
+ ret = microcode_update_intel();
+ if (ret && ret != -ENOENT && ret != -EEXIST)
+ return ret;
+
+ /* Enable upper 128bytes of CMOS */
+ writel(1 << 2, RCB_REG(RC));
+
+ /* TODO: cmos_post_init() */
+ if (readl(MCHBAR_REG(SSKPD)) == 0xCAFE) {
+ debug("soft reset detected\n");
+ boot_mode = PEI_BOOT_SOFT_RESET;
+
+ /* System is not happy after keyboard reset... */
+ debug("Issuing CF9 warm reset\n");
+ outb(0x6, 0xcf9);
+ cpu_hlt();
+ }
+
+ /* Early chipset init required before RAM init can work */
+ sandybridge_early_init(SANDYBRIDGE_MOBILE);
+
+ /* Check PM1_STS[15] to see if we are waking from Sx */
+ pm1_sts = inw(DEFAULT_PMBASE + PM1_STS);
+
+ /* Read PM1_CNT[12:10] to determine which Sx state */
+ pm1_cnt = inl(DEFAULT_PMBASE + PM1_CNT);
+
+ if ((pm1_sts & WAK_STS) && ((pm1_cnt >> 10) & 7) == 5) {
+#if CONFIG_HAVE_ACPI_RESUME
+ debug("Resume from S3 detected.\n");
+ boot_mode = PEI_BOOT_RESUME;
+ /* Clear SLP_TYPE. This will break stage2 but
+ * we care for that when we get there.
+ */
+ outl(pm1_cnt & ~(7 << 10), DEFAULT_PMBASE + PM1_CNT);
+#else
+ debug("Resume from S3 detected, but disabled.\n");
+#endif
+ } else {
+ /*
+ * TODO: An indication of life might be possible here (e.g.
+ * keyboard light)
+ */
+ }
+ post_code(POST_EARLY_INIT);
+
+ /* Enable SPD ROMs and DDR-III DRAM */
+ ret = enable_smbus();
+ if (ret)
+ return ret;
+
+ /* Prepare USB controller early in S3 resume */
+ if (boot_mode == PEI_BOOT_RESUME)
+ enable_usb_bar();
+
+ gd->arch.pei_boot_mode = boot_mode;
+
+ /* TODO: Move this to the board or driver */
+ pci_write_config32(PCH_LPC_DEV, GPIO_BASE, DEFAULT_GPIOBASE | 1);
+ pci_write_config32(PCH_LPC_DEV, GPIO_CNTL, 0x10);
+
+ /* Print processor name */
+ name = cpu_get_name(processor_name);
+ printf("CPU: %s\n", name);
+
+ post_code(POST_CPU_INFO);
+
+ return 0;
+}
diff --git a/arch/x86/cpu/ivybridge/early_init.c b/arch/x86/cpu/ivybridge/early_init.c
new file mode 100644
index 0000000..eb8f613
--- /dev/null
+++ b/arch/x86/cpu/ivybridge/early_init.c
@@ -0,0 +1,145 @@
+/*
+ * From Coreboot
+ *
+ * Copyright (C) 2007-2010 coresystems GmbH
+ * Copyright (C) 2011 Google Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/pci.h>
+#include <asm/arch/pch.h>
+#include <asm/arch/sandybridge.h>
+
+static void sandybridge_setup_bars(pci_dev_t pch_dev, pci_dev_t lpc_dev)
+{
+ /* Setting up Southbridge. In the northbridge code. */
+ debug("Setting up static southbridge registers\n");
+ pci_write_config32(lpc_dev, PCH_RCBA_BASE, DEFAULT_RCBA | 1);
+
+ pci_write_config32(lpc_dev, PMBASE, DEFAULT_PMBASE | 1);
+ pci_write_config8(lpc_dev, ACPI_CNTL, 0x80); /* Enable ACPI BAR */
+
+ debug("Disabling watchdog reboot\n");
+ setbits_le32(RCB_REG(GCS), 1 >> 5); /* No reset */
+ outw(1 << 11, DEFAULT_PMBASE | 0x60 | 0x08); /* halt timer */
+
+ /* Set up all hardcoded northbridge BARs */
+ debug("Setting up static registers\n");
+ pci_write_config32(pch_dev, EPBAR, DEFAULT_EPBAR | 1);
+ pci_write_config32(pch_dev, EPBAR + 4, (0LL + DEFAULT_EPBAR) >> 32);
+ pci_write_config32(pch_dev, MCHBAR, DEFAULT_MCHBAR | 1);
+ pci_write_config32(pch_dev, MCHBAR + 4, (0LL + DEFAULT_MCHBAR) >> 32);
+ /* 64MB - busses 0-63 */
+ pci_write_config32(pch_dev, PCIEXBAR, DEFAULT_PCIEXBAR | 5);
+ pci_write_config32(pch_dev, PCIEXBAR + 4,
+ (0LL + DEFAULT_PCIEXBAR) >> 32);
+ pci_write_config32(pch_dev, DMIBAR, DEFAULT_DMIBAR | 1);
+ pci_write_config32(pch_dev, DMIBAR + 4, (0LL + DEFAULT_DMIBAR) >> 32);
+
+ /* Set C0000-FFFFF to access RAM on both reads and writes */
+ pci_write_config8(pch_dev, PAM0, 0x30);
+ pci_write_config8(pch_dev, PAM1, 0x33);
+ pci_write_config8(pch_dev, PAM2, 0x33);
+ pci_write_config8(pch_dev, PAM3, 0x33);
+ pci_write_config8(pch_dev, PAM4, 0x33);
+ pci_write_config8(pch_dev, PAM5, 0x33);
+ pci_write_config8(pch_dev, PAM6, 0x33);
+}
+
+static void sandybridge_setup_graphics(pci_dev_t pch_dev, pci_dev_t video_dev)
+{
+ u32 reg32;
+ u16 reg16;
+ u8 reg8;
+
+ reg16 = pci_read_config16(video_dev, PCI_DEVICE_ID);
+ switch (reg16) {
+ case 0x0102: /* GT1 Desktop */
+ case 0x0106: /* GT1 Mobile */
+ case 0x010a: /* GT1 Server */
+ case 0x0112: /* GT2 Desktop */
+ case 0x0116: /* GT2 Mobile */
+ case 0x0122: /* GT2 Desktop >=1.3GHz */
+ case 0x0126: /* GT2 Mobile >=1.3GHz */
+ case 0x0156: /* IvyBridge */
+ case 0x0166: /* IvyBridge */
+ break;
+ default:
+ debug("Graphics not supported by this CPU/chipset\n");
+ return;
+ }
+
+ debug("Initialising Graphics\n");
+
+ /* Setup IGD memory by setting GGC[7:3] = 1 for 32MB */
+ reg16 = pci_read_config16(pch_dev, GGC);
+ reg16 &= ~0x00f8;
+ reg16 |= 1 << 3;
+ /* Program GTT memory by setting GGC[9:8] = 2MB */
+ reg16 &= ~0x0300;
+ reg16 |= 2 << 8;
+ /* Enable VGA decode */
+ reg16 &= ~0x0002;
+ pci_write_config16(pch_dev, GGC, reg16);
+
+ /* Enable 256MB aperture */
+ reg8 = pci_read_config8(video_dev, MSAC);
+ reg8 &= ~0x06;
+ reg8 |= 0x02;
+ pci_write_config8(video_dev, MSAC, reg8);
+
+ /* Erratum workarounds */
+ reg32 = readl(MCHBAR_REG(0x5f00));
+ reg32 |= (1 << 9) | (1 << 10);
+ writel(reg32, MCHBAR_REG(0x5f00));
+
+ /* Enable SA Clock Gating */
+ reg32 = readl(MCHBAR_REG(0x5f00));
+ writel(reg32 | 1, MCHBAR_REG(0x5f00));
+
+ /* GPU RC6 workaround for sighting 366252 */
+ reg32 = readl(MCHBAR_REG(0x5d14));
+ reg32 |= (1 << 31);
+ writel(reg32, MCHBAR_REG(0x5d14));
+
+ /* VLW */
+ reg32 = readl(MCHBAR_REG(0x6120));
+ reg32 &= ~(1 << 0);
+ writel(reg32, MCHBAR_REG(0x6120));
+
+ reg32 = readl(MCHBAR_REG(0x5418));
+ reg32 |= (1 << 4) | (1 << 5);
+ writel(reg32, MCHBAR_REG(0x5418));
+}
+
+void sandybridge_early_init(int chipset_type)
+{
+ pci_dev_t pch_dev = PCH_DEV;
+ pci_dev_t video_dev = PCH_VIDEO_DEV;
+ pci_dev_t lpc_dev = PCH_LPC_DEV;
+ u32 capid0_a;
+ u8 reg8;
+
+ /* Device ID Override Enable should be done very early */
+ capid0_a = pci_read_config32(pch_dev, 0xe4);
+ if (capid0_a & (1 << 10)) {
+ reg8 = pci_read_config8(pch_dev, 0xf3);
+ reg8 &= ~7; /* Clear 2:0 */
+
+ if (chipset_type == SANDYBRIDGE_MOBILE)
+ reg8 |= 1; /* Set bit 0 */
+
+ pci_write_config8(pch_dev, 0xf3, reg8);
+ }
+
+ /* Setup all BARs required for early PCIe and raminit */
+ sandybridge_setup_bars(pch_dev, lpc_dev);
+
+ /* Device Enable */
+ pci_write_config32(pch_dev, DEVEN, DEVEN_HOST | DEVEN_IGD);
+
+ sandybridge_setup_graphics(pch_dev, video_dev);
+}
diff --git a/arch/x86/cpu/ivybridge/early_me.c b/arch/x86/cpu/ivybridge/early_me.c
new file mode 100644
index 0000000..b24dea1
--- /dev/null
+++ b/arch/x86/cpu/ivybridge/early_me.c
@@ -0,0 +1,191 @@
+/*
+ * From Coreboot src/southbridge/intel/bd82x6x/early_me.c
+ *
+ * Copyright (C) 2011 The Chromium OS Authors. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <errno.h>
+#include <asm/pci.h>
+#include <asm/processor.h>
+#include <asm/arch/me.h>
+#include <asm/arch/pch.h>
+#include <asm/io.h>
+
+static const char *const me_ack_values[] = {
+ [ME_HFS_ACK_NO_DID] = "No DID Ack received",
+ [ME_HFS_ACK_RESET] = "Non-power cycle reset",
+ [ME_HFS_ACK_PWR_CYCLE] = "Power cycle reset",
+ [ME_HFS_ACK_S3] = "Go to S3",
+ [ME_HFS_ACK_S4] = "Go to S4",
+ [ME_HFS_ACK_S5] = "Go to S5",
+ [ME_HFS_ACK_GBL_RESET] = "Global Reset",
+ [ME_HFS_ACK_CONTINUE] = "Continue to boot"
+};
+
+static inline void pci_read_dword_ptr(void *ptr, int offset)
+{
+ u32 dword;
+
+ dword = pci_read_config32(PCH_ME_DEV, offset);
+ memcpy(ptr, &dword, sizeof(dword));
+}
+
+static inline void pci_write_dword_ptr(void *ptr, int offset)
+{
+ u32 dword = 0;
+ memcpy(&dword, ptr, sizeof(dword));
+ pci_write_config32(PCH_ME_DEV, offset, dword);
+}
+
+void intel_early_me_status(void)
+{
+ struct me_hfs hfs;
+ struct me_gmes gmes;
+
+ pci_read_dword_ptr(&hfs, PCI_ME_HFS);
+ pci_read_dword_ptr(&gmes, PCI_ME_GMES);
+
+ intel_me_status(&hfs, &gmes);
+}
+
+int intel_early_me_init(void)
+{
+ int count;
+ struct me_uma uma;
+ struct me_hfs hfs;
+
+ debug("Intel ME early init\n");
+
+ /* Wait for ME UMA SIZE VALID bit to be set */
+ for (count = ME_RETRY; count > 0; --count) {
+ pci_read_dword_ptr(&uma, PCI_ME_UMA);
+ if (uma.valid)
+ break;
+ udelay(ME_DELAY);
+ }
+ if (!count) {
+ printf("ERROR: ME is not ready!\n");
+ return -EBUSY;
+ }
+
+ /* Check for valid firmware */
+ pci_read_dword_ptr(&hfs, PCI_ME_HFS);
+ if (hfs.fpt_bad) {
+ printf("WARNING: ME has bad firmware\n");
+ return -EBADF;
+ }
+
+ debug("Intel ME firmware is ready\n");
+
+ return 0;
+}
+
+int intel_early_me_uma_size(void)
+{
+ struct me_uma uma;
+
+ pci_read_dword_ptr(&uma, PCI_ME_UMA);
+ if (uma.valid) {
+ debug("ME: Requested %uMB UMA\n", uma.size);
+ return uma.size;
+ }
+
+ debug("ME: Invalid UMA size\n");
+ return -EINVAL;
+}
+
+static inline void set_global_reset(int enable)
+{
+ u32 etr3;
+
+ etr3 = pci_read_config32(PCH_LPC_DEV, ETR3);
+
+ /* Clear CF9 Without Resume Well Reset Enable */
+ etr3 &= ~ETR3_CWORWRE;
+
+ /* CF9GR indicates a Global Reset */
+ if (enable)
+ etr3 |= ETR3_CF9GR;
+ else
+ etr3 &= ~ETR3_CF9GR;
+
+ pci_write_config32(PCH_LPC_DEV, ETR3, etr3);
+}
+
+int intel_early_me_init_done(u8 status)
+{
+ u8 reset;
+ int count;
+ u32 mebase_l, mebase_h;
+ struct me_hfs hfs;
+ struct me_did did = {
+ .init_done = ME_INIT_DONE,
+ .status = status
+ };
+
+ /* MEBASE from MESEG_BASE[35:20] */
+ mebase_l = pci_read_config32(PCH_DEV, PCI_CPU_MEBASE_L);
+ mebase_h = pci_read_config32(PCH_DEV, PCI_CPU_MEBASE_H);
+ mebase_h &= 0xf;
+ did.uma_base = (mebase_l >> 20) | (mebase_h << 12);
+
+ /* Send message to ME */
+ debug("ME: Sending Init Done with status: %d, UMA base: 0x%04x\n",
+ status, did.uma_base);
+
+ pci_write_dword_ptr(&did, PCI_ME_H_GS);
+
+ /* Must wait for ME acknowledgement */
+ for (count = ME_RETRY; count > 0; --count) {
+ pci_read_dword_ptr(&hfs, PCI_ME_HFS);
+ if (hfs.bios_msg_ack)
+ break;
+ udelay(ME_DELAY);
+ }
+ if (!count) {
+ printf("ERROR: ME failed to respond\n");
+ return -1;
+ }
+
+ /* Return the requested BIOS action */
+ debug("ME: Requested BIOS Action: %s\n", me_ack_values[hfs.ack_data]);
+
+ /* Check status after acknowledgement */
+ intel_early_me_status();
+
+ reset = 0;
+ switch (hfs.ack_data) {
+ case ME_HFS_ACK_CONTINUE:
+ /* Continue to boot */
+ return 0;
+ case ME_HFS_ACK_RESET:
+ /* Non-power cycle reset */
+ set_global_reset(0);
+ reset = 0x06;
+ break;
+ case ME_HFS_ACK_PWR_CYCLE:
+ /* Power cycle reset */
+ set_global_reset(0);
+ reset = 0x0e;
+ break;
+ case ME_HFS_ACK_GBL_RESET:
+ /* Global reset */
+ set_global_reset(1);
+ reset = 0x0e;
+ break;
+ case ME_HFS_ACK_S3:
+ case ME_HFS_ACK_S4:
+ case ME_HFS_ACK_S5:
+ break;
+ }
+
+ /* Perform the requested reset */
+ if (reset) {
+ outb(reset, 0xcf9);
+ cpu_hlt();
+ }
+ return -1;
+}
diff --git a/arch/x86/cpu/ivybridge/lpc.c b/arch/x86/cpu/ivybridge/lpc.c
new file mode 100644
index 0000000..621ef2c
--- /dev/null
+++ b/arch/x86/cpu/ivybridge/lpc.c
@@ -0,0 +1,48 @@
+/*
+ * From coreboot southbridge/intel/bd82x6x/lpc.c
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <errno.h>
+#include <fdtdec.h>
+#include <pci.h>
+#include <asm/pci.h>
+#include <asm/arch/pch.h>
+
+int lpc_early_init(const void *blob, int node, pci_dev_t dev)
+{
+ struct reg_info {
+ u32 base;
+ u32 size;
+ } values[4], *ptr;
+ int count;
+ int i;
+
+ count = fdtdec_get_int_array_count(blob, node, "gen-dec",
+ (u32 *)values, sizeof(values) / sizeof(u32));
+ if (count < 0)
+ return -EINVAL;
+
+ /* Set COM1/COM2 decode range */
+ pci_write_config16(dev, LPC_IO_DEC, 0x0010);
+
+ /* Enable PS/2 Keyboard/Mouse, EC areas and COM1 */
+ pci_write_config16(dev, LPC_EN, KBC_LPC_EN | MC_LPC_EN |
+ GAMEL_LPC_EN | COMA_LPC_EN);
+
+ /* Write all registers but use 0 if we run out of data */
+ count = count * sizeof(u32) / sizeof(values[0]);
+ for (i = 0, ptr = values; i < ARRAY_SIZE(values); i++, ptr++) {
+ u32 reg = 0;
+
+ if (i < count)
+ reg = ptr->base | PCI_COMMAND_IO | (ptr->size << 16);
+ pci_write_config32(dev, LPC_GENX_DEC(i), reg);
+ }
+
+ return 0;
+}
diff --git a/arch/x86/cpu/ivybridge/me_status.c b/arch/x86/cpu/ivybridge/me_status.c
new file mode 100644
index 0000000..15cf69f
--- /dev/null
+++ b/arch/x86/cpu/ivybridge/me_status.c
@@ -0,0 +1,195 @@
+/*
+ * From Coreboot src/southbridge/intel/bd82x6x/me_status.c
+ *
+ * Copyright (C) 2011 The Chromium OS Authors. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <asm/arch/me.h>
+
+/* HFS1[3:0] Current Working State Values */
+static const char *const me_cws_values[] = {
+ [ME_HFS_CWS_RESET] = "Reset",
+ [ME_HFS_CWS_INIT] = "Initializing",
+ [ME_HFS_CWS_REC] = "Recovery",
+ [ME_HFS_CWS_NORMAL] = "Normal",
+ [ME_HFS_CWS_WAIT] = "Platform Disable Wait",
+ [ME_HFS_CWS_TRANS] = "OP State Transition",
+ [ME_HFS_CWS_INVALID] = "Invalid CPU Plugged In"
+};
+
+/* HFS1[8:6] Current Operation State Values */
+static const char *const me_opstate_values[] = {
+ [ME_HFS_STATE_PREBOOT] = "Preboot",
+ [ME_HFS_STATE_M0_UMA] = "M0 with UMA",
+ [ME_HFS_STATE_M3] = "M3 without UMA",
+ [ME_HFS_STATE_M0] = "M0 without UMA",
+ [ME_HFS_STATE_BRINGUP] = "Bring up",
+ [ME_HFS_STATE_ERROR] = "M0 without UMA but with error"
+};
+
+/* HFS[19:16] Current Operation Mode Values */
+static const char *const me_opmode_values[] = {
+ [ME_HFS_MODE_NORMAL] = "Normal",
+ [ME_HFS_MODE_DEBUG] = "Debug",
+ [ME_HFS_MODE_DIS] = "Soft Temporary Disable",
+ [ME_HFS_MODE_OVER_JMPR] = "Security Override via Jumper",
+ [ME_HFS_MODE_OVER_MEI] = "Security Override via MEI Message"
+};
+
+/* HFS[15:12] Error Code Values */
+static const char *const me_error_values[] = {
+ [ME_HFS_ERROR_NONE] = "No Error",
+ [ME_HFS_ERROR_UNCAT] = "Uncategorized Failure",
+ [ME_HFS_ERROR_IMAGE] = "Image Failure",
+ [ME_HFS_ERROR_DEBUG] = "Debug Failure"
+};
+
+/* GMES[31:28] ME Progress Code */
+static const char *const me_progress_values[] = {
+ [ME_GMES_PHASE_ROM] = "ROM Phase",
+ [ME_GMES_PHASE_BUP] = "BUP Phase",
+ [ME_GMES_PHASE_UKERNEL] = "uKernel Phase",
+ [ME_GMES_PHASE_POLICY] = "Policy Module",
+ [ME_GMES_PHASE_MODULE] = "Module Loading",
+ [ME_GMES_PHASE_UNKNOWN] = "Unknown",
+ [ME_GMES_PHASE_HOST] = "Host Communication"
+};
+
+/* GMES[27:24] Power Management Event */
+static const char *const me_pmevent_values[] = {
+ [0x00] = "Clean Moff->Mx wake",
+ [0x01] = "Moff->Mx wake after an error",
+ [0x02] = "Clean global reset",
+ [0x03] = "Global reset after an error",
+ [0x04] = "Clean Intel ME reset",
+ [0x05] = "Intel ME reset due to exception",
+ [0x06] = "Pseudo-global reset",
+ [0x07] = "S0/M0->Sx/M3",
+ [0x08] = "Sx/M3->S0/M0",
+ [0x09] = "Non-power cycle reset",
+ [0x0a] = "Power cycle reset through M3",
+ [0x0b] = "Power cycle reset through Moff",
+ [0x0c] = "Sx/Mx->Sx/Moff"
+};
+
+/* Progress Code 0 states */
+static const char *const me_progress_rom_values[] = {
+ [0x00] = "BEGIN",
+ [0x06] = "DISABLE"
+};
+
+/* Progress Code 1 states */
+static const char *const me_progress_bup_values[] = {
+ [0x00] = "Initialization starts",
+ [0x01] = "Disable the host wake event",
+ [0x04] = "Flow determination start process",
+ [0x08] = "Error reading/matching the VSCC table in the descriptor",
+ [0x0a] = "Check to see if straps say ME DISABLED",
+ [0x0b] = "Timeout waiting for PWROK",
+ [0x0d] = "Possibly handle BUP manufacturing override strap",
+ [0x11] = "Bringup in M3",
+ [0x12] = "Bringup in M0",
+ [0x13] = "Flow detection error",
+ [0x15] = "M3 clock switching error",
+ [0x18] = "M3 kernel load",
+ [0x1c] = "T34 missing - cannot program ICC",
+ [0x1f] = "Waiting for DID BIOS message",
+ [0x20] = "Waiting for DID BIOS message failure",
+ [0x21] = "DID reported an error",
+ [0x22] = "Enabling UMA",
+ [0x23] = "Enabling UMA error",
+ [0x24] = "Sending DID Ack to BIOS",
+ [0x25] = "Sending DID Ack to BIOS error",
+ [0x26] = "Switching clocks in M0",
+ [0x27] = "Switching clocks in M0 error",
+ [0x28] = "ME in temp disable",
+ [0x32] = "M0 kernel load",
+};
+
+/* Progress Code 3 states */
+static const char *const me_progress_policy_values[] = {
+ [0x00] = "Entery into Policy Module",
+ [0x03] = "Received S3 entry",
+ [0x04] = "Received S4 entry",
+ [0x05] = "Received S5 entry",
+ [0x06] = "Received UPD entry",
+ [0x07] = "Received PCR entry",
+ [0x08] = "Received NPCR entry",
+ [0x09] = "Received host wake",
+ [0x0a] = "Received AC<>DC switch",
+ [0x0b] = "Received DRAM Init Done",
+ [0x0c] = "VSCC Data not found for flash device",
+ [0x0d] = "VSCC Table is not valid",
+ [0x0e] = "Flash Partition Boundary is outside address space",
+ [0x0f] = "ME cannot access the chipset descriptor region",
+ [0x10] = "Required VSCC values for flash parts do not match",
+};
+
+void intel_me_status(struct me_hfs *hfs, struct me_gmes *gmes)
+{
+ /* Check Current States */
+ debug("ME: FW Partition Table : %s\n",
+ hfs->fpt_bad ? "BAD" : "OK");
+ debug("ME: Bringup Loader Failure : %s\n",
+ hfs->ft_bup_ld_flr ? "YES" : "NO");
+ debug("ME: Firmware Init Complete : %s\n",
+ hfs->fw_init_complete ? "YES" : "NO");
+ debug("ME: Manufacturing Mode : %s\n",
+ hfs->mfg_mode ? "YES" : "NO");
+ debug("ME: Boot Options Present : %s\n",
+ hfs->boot_options_present ? "YES" : "NO");
+ debug("ME: Update In Progress : %s\n",
+ hfs->update_in_progress ? "YES" : "NO");
+ debug("ME: Current Working State : %s\n",
+ me_cws_values[hfs->working_state]);
+ debug("ME: Current Operation State : %s\n",
+ me_opstate_values[hfs->operation_state]);
+ debug("ME: Current Operation Mode : %s\n",
+ me_opmode_values[hfs->operation_mode]);
+ debug("ME: Error Code : %s\n",
+ me_error_values[hfs->error_code]);
+ debug("ME: Progress Phase : %s\n",
+ me_progress_values[gmes->progress_code]);
+ debug("ME: Power Management Event : %s\n",
+ me_pmevent_values[gmes->current_pmevent]);
+
+ debug("ME: Progress Phase State : ");
+ switch (gmes->progress_code) {
+ case ME_GMES_PHASE_ROM: /* ROM Phase */
+ debug("%s", me_progress_rom_values[gmes->current_state]);
+ break;
+
+ case ME_GMES_PHASE_BUP: /* Bringup Phase */
+ if (gmes->current_state < ARRAY_SIZE(me_progress_bup_values) &&
+ me_progress_bup_values[gmes->current_state])
+ debug("%s",
+ me_progress_bup_values[gmes->current_state]);
+ else
+ debug("0x%02x", gmes->current_state);
+ break;
+
+ case ME_GMES_PHASE_POLICY: /* Policy Module Phase */
+ if (gmes->current_state <
+ ARRAY_SIZE(me_progress_policy_values) &&
+ me_progress_policy_values[gmes->current_state])
+ debug("%s",
+ me_progress_policy_values[gmes->current_state]);
+ else
+ debug("0x%02x", gmes->current_state);
+ break;
+
+ case ME_GMES_PHASE_HOST: /* Host Communication Phase */
+ if (!gmes->current_state)
+ debug("Host communication established");
+ else
+ debug("0x%02x", gmes->current_state);
+ break;
+
+ default:
+ debug("Unknown 0x%02x", gmes->current_state);
+ }
+ debug("\n");
+}
diff --git a/arch/x86/cpu/ivybridge/microcode_intel.c b/arch/x86/cpu/ivybridge/microcode_intel.c
new file mode 100644
index 0000000..8c11a63
--- /dev/null
+++ b/arch/x86/cpu/ivybridge/microcode_intel.c
@@ -0,0 +1,151 @@
+/*
+ * Copyright (c) 2014 Google, Inc
+ * Copyright (C) 2000 Ronald G. Minnich
+ *
+ * Microcode update for Intel PIII and later CPUs
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <errno.h>
+#include <fdtdec.h>
+#include <libfdt.h>
+#include <asm/cpu.h>
+#include <asm/msr.h>
+#include <asm/processor.h>
+
+/**
+ * struct microcode_update - standard microcode header from Intel
+ *
+ * We read this information out of the device tree and use it to determine
+ * whether the update is applicable or not. We also use the same structure
+ * to read information from the CPU.
+ */
+struct microcode_update {
+ uint header_version;
+ uint update_revision;
+ uint date_code;
+ uint processor_signature;
+ uint checksum;
+ uint loader_revision;
+ uint processor_flags;
+ const void *data;
+ int size;
+};
+
+static int microcode_decode_node(const void *blob, int node,
+ struct microcode_update *update)
+{
+ update->data = fdt_getprop(blob, node, "data", &update->size);
+ if (!update->data)
+ return -EINVAL;
+
+ update->header_version = fdtdec_get_int(blob, node,
+ "intel,header-version", 0);
+ update->update_revision = fdtdec_get_int(blob, node,
+ "intel,update-revision", 0);
+ update->date_code = fdtdec_get_int(blob, node,
+ "intel,date-code", 0);
+ update->processor_signature = fdtdec_get_int(blob, node,
+ "intel.processor-signature", 0);
+ update->checksum = fdtdec_get_int(blob, node, "intel,checksum", 0);
+ update->loader_revision = fdtdec_get_int(blob, node,
+ "loader-revision", 0);
+ update->processor_flags = fdtdec_get_int(blob, node,
+ "processor-flags", 0);
+
+ return 0;
+}
+
+static uint32_t microcode_read_rev(void)
+{
+ /*
+ * Some Intel CPUs can be very finicky about the CPUID sequence used.
+ * So this is implemented in assembly so that it works reliably.
+ */
+ uint32_t low, high;
+
+ asm volatile (
+ "xorl %%eax, %%eax\n"
+ "xorl %%edx, %%edx\n"
+ "movl $0x8b, %%ecx\n"
+ "wrmsr\n"
+ "movl $0x01, %%eax\n"
+ "cpuid\n"
+ "movl $0x8b, %%ecx\n"
+ "rdmsr\n"
+ : /* outputs */
+ "=a" (low), "=d" (high)
+ : /* inputs */
+ : /* clobbers */
+ "ebx", "ecx"
+ );
+
+ return high;
+}
+
+static void microcode_read_cpu(struct microcode_update *cpu)
+{
+ /* CPUID sets MSR 0x8B iff a microcode update has been loaded. */
+ unsigned int x86_model, x86_family;
+ struct cpuid_result result;
+ uint32_t low, high;
+
+ wrmsr(0x8b, 0, 0);
+ result = cpuid(1);
+ rdmsr(0x8b, low, cpu->update_revision);
+ x86_model = (result.eax >> 4) & 0x0f;
+ x86_family = (result.eax >> 8) & 0x0f;
+ cpu->processor_signature = result.eax;
+
+ cpu->processor_flags = 0;
+ if ((x86_model >= 5) || (x86_family > 6)) {
+ rdmsr(0x17, low, high);
+ cpu->processor_flags = 1 << ((high >> 18) & 7);
+ }
+ debug("microcode: sig=%#x pf=%#x revision=%#x\n",
+ cpu->processor_signature, cpu->processor_flags,
+ cpu->update_revision);
+}
+
+/* Get a microcode update from the device tree and apply it */
+int microcode_update_intel(void)
+{
+ struct microcode_update cpu, update;
+ const void *blob = gd->fdt_blob;
+ int count;
+ int node;
+ int ret;
+
+ microcode_read_cpu(&cpu);
+ node = 0;
+ count = 0;
+ do {
+ node = fdtdec_next_compatible(blob, node,
+ COMPAT_INTEL_MICROCODE);
+ if (node < 0) {
+ debug("%s: Found %d updates\n", __func__, count);
+ return count ? 0 : -ENOENT;
+ }
+
+ ret = microcode_decode_node(blob, node, &update);
+ if (ret) {
+ debug("%s: Unable to decode update: %d\n", __func__,
+ ret);
+ return ret;
+ }
+ if (update.processor_signature == cpu.processor_signature &&
+ (update.processor_flags & cpu.processor_flags)) {
+ debug("%s: Update already exists\n", __func__);
+ return -EEXIST;
+ }
+
+ wrmsr(0x79, (ulong)update.data, 0);
+ debug("microcode: updated to revision 0x%x date=%04x-%02x-%02x\n",
+ microcode_read_rev(), update.date_code & 0xffff,
+ (update.date_code >> 24) & 0xff,
+ (update.date_code >> 16) & 0xff);
+ count++;
+ } while (1);
+}
diff --git a/arch/x86/cpu/ivybridge/pci.c b/arch/x86/cpu/ivybridge/pci.c
new file mode 100644
index 0000000..c1ae658
--- /dev/null
+++ b/arch/x86/cpu/ivybridge/pci.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * (C) Copyright 2008,2009
+ * Graeme Russ, <graeme.russ@gmail.com>
+ *
+ * (C) Copyright 2002
+ * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <pci.h>
+#include <asm/pci.h>
+
+static void config_pci_bridge(struct pci_controller *hose, pci_dev_t dev,
+ struct pci_config_table *table)
+{
+ u8 secondary;
+
+ hose->read_byte(hose, dev, PCI_SECONDARY_BUS, &secondary);
+ if (secondary != 0)
+ pci_hose_scan_bus(hose, secondary);
+}
+
+static struct pci_config_table pci_ivybridge_config_table[] = {
+ /* vendor, device, class, bus, dev, func */
+ { PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_BRIDGE_PCI,
+ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, &config_pci_bridge },
+ {}
+};
+
+void board_pci_setup_hose(struct pci_controller *hose)
+{
+ hose->config_table = pci_ivybridge_config_table;
+ hose->first_busno = 0;
+ hose->last_busno = 0;
+
+ /* PCI memory space */
+ pci_set_region(hose->regions + 0,
+ CONFIG_PCI_MEM_BUS,
+ CONFIG_PCI_MEM_PHYS,
+ CONFIG_PCI_MEM_SIZE,
+ PCI_REGION_MEM);
+
+ /* PCI IO space */
+ pci_set_region(hose->regions + 1,
+ CONFIG_PCI_IO_BUS,
+ CONFIG_PCI_IO_PHYS,
+ CONFIG_PCI_IO_SIZE,
+ PCI_REGION_IO);
+
+ pci_set_region(hose->regions + 2,
+ CONFIG_PCI_PREF_BUS,
+ CONFIG_PCI_PREF_PHYS,
+ CONFIG_PCI_PREF_SIZE,
+ PCI_REGION_PREFETCH);
+
+ hose->region_count = 3;
+}
diff --git a/arch/x86/cpu/ivybridge/report_platform.c b/arch/x86/cpu/ivybridge/report_platform.c
new file mode 100644
index 0000000..69e31b3
--- /dev/null
+++ b/arch/x86/cpu/ivybridge/report_platform.c
@@ -0,0 +1,89 @@
+/*
+ * From Coreboot src/northbridge/intel/sandybridge/report_platform.c
+ *
+ * Copyright (C) 2012 Google Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <asm/cpu.h>
+#include <asm/pci.h>
+#include <asm/arch/pch.h>
+
+static void report_cpu_info(void)
+{
+ char cpu_string[CPU_MAX_NAME_LEN], *cpu_name;
+ const char *mode[] = {"NOT ", ""};
+ struct cpuid_result cpuidr;
+ int vt, txt, aes;
+ u32 index;
+
+ index = 0x80000000;
+ cpuidr = cpuid(index);
+ if (cpuidr.eax < 0x80000004) {
+ strcpy(cpu_string, "Platform info not available");
+ cpu_name = cpu_string;
+ } else {
+ cpu_name = cpu_get_name(cpu_string);
+ }
+
+ cpuidr = cpuid(1);
+ debug("CPU id(%x): %s\n", cpuidr.eax, cpu_name);
+ aes = (cpuidr.ecx & (1 << 25)) ? 1 : 0;
+ txt = (cpuidr.ecx & (1 << 6)) ? 1 : 0;
+ vt = (cpuidr.ecx & (1 << 5)) ? 1 : 0;
+ debug("AES %ssupported, TXT %ssupported, VT %ssupported\n",
+ mode[aes], mode[txt], mode[vt]);
+}
+
+/* The PCI id name match comes from Intel document 472178 */
+static struct {
+ u16 dev_id;
+ const char *dev_name;
+} pch_table[] = {
+ {0x1E41, "Desktop Sample"},
+ {0x1E42, "Mobile Sample"},
+ {0x1E43, "SFF Sample"},
+ {0x1E44, "Z77"},
+ {0x1E45, "H71"},
+ {0x1E46, "Z75"},
+ {0x1E47, "Q77"},
+ {0x1E48, "Q75"},
+ {0x1E49, "B75"},
+ {0x1E4A, "H77"},
+ {0x1E53, "C216"},
+ {0x1E55, "QM77"},
+ {0x1E56, "QS77"},
+ {0x1E58, "UM77"},
+ {0x1E57, "HM77"},
+ {0x1E59, "HM76"},
+ {0x1E5D, "HM75"},
+ {0x1E5E, "HM70"},
+ {0x1E5F, "NM70"},
+};
+
+static void report_pch_info(void)
+{
+ const char *pch_type = "Unknown";
+ int i;
+ u16 dev_id;
+ uint8_t rev_id;
+
+ dev_id = pci_read_config16(PCH_LPC_DEV, 2);
+ for (i = 0; i < ARRAY_SIZE(pch_table); i++) {
+ if (pch_table[i].dev_id == dev_id) {
+ pch_type = pch_table[i].dev_name;
+ break;
+ }
+ }
+ rev_id = pci_read_config8(PCH_LPC_DEV, 8);
+ debug("PCH type: %s, device id: %x, rev id %x\n", pch_type, dev_id,
+ rev_id);
+}
+
+void report_platform_info(void)
+{
+ report_cpu_info();
+ report_pch_info();
+}
diff --git a/arch/x86/cpu/ivybridge/sdram.c b/arch/x86/cpu/ivybridge/sdram.c
new file mode 100644
index 0000000..df2b990
--- /dev/null
+++ b/arch/x86/cpu/ivybridge/sdram.c
@@ -0,0 +1,571 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * (C) Copyright 2010,2011
+ * Graeme Russ, <graeme.russ@gmail.com>
+ *
+ * Portions from Coreboot mainboard/google/link/romstage.c
+ * Copyright (C) 2007-2010 coresystems GmbH
+ * Copyright (C) 2011 Google Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <errno.h>
+#include <fdtdec.h>
+#include <malloc.h>
+#include <asm/processor.h>
+#include <asm/gpio.h>
+#include <asm/global_data.h>
+#include <asm/pci.h>
+#include <asm/arch/me.h>
+#include <asm/arch/pei_data.h>
+#include <asm/arch/pch.h>
+#include <asm/post.h>
+#include <asm/arch/sandybridge.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * This function looks for the highest region of memory lower than 4GB which
+ * has enough space for U-Boot where U-Boot is aligned on a page boundary.
+ * It overrides the default implementation found elsewhere which simply
+ * picks the end of ram, wherever that may be. The location of the stack,
+ * the relocation address, and how far U-Boot is moved by relocation are
+ * set in the global data structure.
+ */
+ulong board_get_usable_ram_top(ulong total_size)
+{
+ struct memory_info *info = &gd->arch.meminfo;
+ uintptr_t dest_addr = 0;
+ struct memory_area *largest = NULL;
+ int i;
+
+ /* Find largest area of memory below 4GB */
+
+ for (i = 0; i < info->num_areas; i++) {
+ struct memory_area *area = &info->area[i];
+
+ if (area->start >= 1ULL << 32)
+ continue;
+ if (!largest || area->size > largest->size)
+ largest = area;
+ }
+
+ /* If no suitable area was found, return an error. */
+ assert(largest);
+ if (!largest || largest->size < (2 << 20))
+ panic("No available memory found for relocation");
+
+ dest_addr = largest->start + largest->size;
+
+ return (ulong)dest_addr;
+}
+
+void dram_init_banksize(void)
+{
+ struct memory_info *info = &gd->arch.meminfo;
+ int num_banks;
+ int i;
+
+ for (i = 0, num_banks = 0; i < info->num_areas; i++) {
+ struct memory_area *area = &info->area[i];
+
+ if (area->start >= 1ULL << 32)
+ continue;
+ gd->bd->bi_dram[num_banks].start = area->start;
+ gd->bd->bi_dram[num_banks].size = area->size;
+ num_banks++;
+ }
+}
+
+static const char *const ecc_decoder[] = {
+ "inactive",
+ "active on IO",
+ "disabled on IO",
+ "active"
+};
+
+/*
+ * Dump in the log memory controller configuration as read from the memory
+ * controller registers.
+ */
+static void report_memory_config(void)
+{
+ u32 addr_decoder_common, addr_decode_ch[2];
+ int i;
+
+ addr_decoder_common = readl(MCHBAR_REG(0x5000));
+ addr_decode_ch[0] = readl(MCHBAR_REG(0x5004));
+ addr_decode_ch[1] = readl(MCHBAR_REG(0x5008));
+
+ debug("memcfg DDR3 clock %d MHz\n",
+ (readl(MCHBAR_REG(0x5e04)) * 13333 * 2 + 50) / 100);
+ debug("memcfg channel assignment: A: %d, B % d, C % d\n",
+ addr_decoder_common & 3,
+ (addr_decoder_common >> 2) & 3,
+ (addr_decoder_common >> 4) & 3);
+
+ for (i = 0; i < ARRAY_SIZE(addr_decode_ch); i++) {
+ u32 ch_conf = addr_decode_ch[i];
+ debug("memcfg channel[%d] config (%8.8x):\n", i, ch_conf);
+ debug(" ECC %s\n", ecc_decoder[(ch_conf >> 24) & 3]);
+ debug(" enhanced interleave mode %s\n",
+ ((ch_conf >> 22) & 1) ? "on" : "off");
+ debug(" rank interleave %s\n",
+ ((ch_conf >> 21) & 1) ? "on" : "off");
+ debug(" DIMMA %d MB width x%d %s rank%s\n",
+ ((ch_conf >> 0) & 0xff) * 256,
+ ((ch_conf >> 19) & 1) ? 16 : 8,
+ ((ch_conf >> 17) & 1) ? "dual" : "single",
+ ((ch_conf >> 16) & 1) ? "" : ", selected");
+ debug(" DIMMB %d MB width x%d %s rank%s\n",
+ ((ch_conf >> 8) & 0xff) * 256,
+ ((ch_conf >> 20) & 1) ? 16 : 8,
+ ((ch_conf >> 18) & 1) ? "dual" : "single",
+ ((ch_conf >> 16) & 1) ? ", selected" : "");
+ }
+}
+
+static void post_system_agent_init(struct pei_data *pei_data)
+{
+ /* If PCIe init is skipped, set the PEG clock gating */
+ if (!pei_data->pcie_init)
+ setbits_le32(MCHBAR_REG(0x7010), 1);
+}
+
+static asmlinkage void console_tx_byte(unsigned char byte)
+{
+#ifdef DEBUG
+ putc(byte);
+#endif
+}
+
+/**
+ * Find the PEI executable in the ROM and execute it.
+ *
+ * @param pei_data: configuration data for UEFI PEI reference code
+ */
+int sdram_initialise(struct pei_data *pei_data)
+{
+ unsigned version;
+ const char *data;
+ uint16_t done;
+ int ret;
+
+ report_platform_info();
+
+ /* Wait for ME to be ready */
+ ret = intel_early_me_init();
+ if (ret)
+ return ret;
+ ret = intel_early_me_uma_size();
+ if (ret < 0)
+ return ret;
+
+ debug("Starting UEFI PEI System Agent\n");
+
+ /* If MRC data is not found we cannot continue S3 resume. */
+ if (pei_data->boot_mode == PEI_BOOT_RESUME && !pei_data->mrc_input) {
+ debug("Giving up in sdram_initialize: No MRC data\n");
+ outb(0x6, PORT_RESET);
+ cpu_hlt();
+ }
+
+ /* Pass console handler in pei_data */
+ pei_data->tx_byte = console_tx_byte;
+
+ debug("PEI data at %p, size %x:\n", pei_data, sizeof(*pei_data));
+
+ data = (char *)CONFIG_X86_MRC_START;
+ if (data) {
+ int rv;
+ int (*func)(struct pei_data *);
+
+ debug("Calling MRC at %p\n", data);
+ post_code(POST_PRE_MRC);
+ func = (int (*)(struct pei_data *))data;
+ rv = func(pei_data);
+ post_code(POST_MRC);
+ if (rv) {
+ switch (rv) {
+ case -1:
+ printf("PEI version mismatch.\n");
+ break;
+ case -2:
+ printf("Invalid memory frequency.\n");
+ break;
+ default:
+ printf("MRC returned %x.\n", rv);
+ }
+ printf("Nonzero MRC return value.\n");
+ return -EFAULT;
+ }
+ } else {
+ printf("UEFI PEI System Agent not found.\n");
+ return -ENOSYS;
+ }
+
+#if CONFIG_USBDEBUG
+ /* mrc.bin reconfigures USB, so reinit it to have debug */
+ early_usbdebug_init();
+#endif
+
+ version = readl(MCHBAR_REG(0x5034));
+ debug("System Agent Version %d.%d.%d Build %d\n",
+ version >> 24 , (version >> 16) & 0xff,
+ (version >> 8) & 0xff, version & 0xff);
+
+ /*
+ * Send ME init done for SandyBridge here. This is done inside the
+ * SystemAgent binary on IvyBridge
+ */
+ done = pci_read_config32(PCH_DEV, PCI_DEVICE_ID);
+ done &= BASE_REV_MASK;
+ if (BASE_REV_SNB == done)
+ intel_early_me_init_done(ME_INIT_STATUS_SUCCESS);
+ else
+ intel_early_me_status();
+
+ post_system_agent_init(pei_data);
+ report_memory_config();
+
+ return 0;
+}
+
+static int copy_spd(struct pei_data *peid)
+{
+ const int gpio_vector[] = {41, 42, 43, 10, -1};
+ int spd_index;
+ const void *blob = gd->fdt_blob;
+ int node, spd_node;
+ int ret, i;
+
+ for (i = 0; ; i++) {
+ if (gpio_vector[i] == -1)
+ break;
+ ret = gpio_requestf(gpio_vector[i], "spd_id%d", i);
+ if (ret) {
+ debug("%s: Could not request gpio %d\n", __func__,
+ gpio_vector[i]);
+ return ret;
+ }
+ }
+ spd_index = gpio_get_values_as_int(gpio_vector);
+ debug("spd index %d\n", spd_index);
+ node = fdtdec_next_compatible(blob, 0, COMPAT_MEMORY_SPD);
+ if (node < 0) {
+ printf("SPD data not found.\n");
+ return -ENOENT;
+ }
+
+ for (spd_node = fdt_first_subnode(blob, node);
+ spd_node > 0;
+ spd_node = fdt_next_subnode(blob, spd_node)) {
+ const char *data;
+ int len;
+
+ if (fdtdec_get_int(blob, spd_node, "reg", -1) != spd_index)
+ continue;
+ data = fdt_getprop(blob, spd_node, "data", &len);
+ if (len < sizeof(peid->spd_data[0])) {
+ printf("Missing SPD data\n");
+ return -EINVAL;
+ }
+
+ debug("Using SDRAM SPD data for '%s'\n",
+ fdt_get_name(blob, spd_node, NULL));
+ memcpy(peid->spd_data[0], data, sizeof(peid->spd_data[0]));
+ break;
+ }
+
+ if (spd_node < 0) {
+ printf("No SPD data found for index %d\n", spd_index);
+ return -ENOENT;
+ }
+
+ return 0;
+}
+
+/**
+ * add_memory_area() - Add a new usable memory area to our list
+ *
+ * Note: @start and @end must not span the first 4GB boundary
+ *
+ * @info: Place to store memory info
+ * @start: Start of this memory area
+ * @end: End of this memory area + 1
+ */
+static int add_memory_area(struct memory_info *info,
+ uint64_t start, uint64_t end)
+{
+ struct memory_area *ptr;
+
+ if (info->num_areas == CONFIG_NR_DRAM_BANKS)
+ return -ENOSPC;
+
+ ptr = &info->area[info->num_areas];
+ ptr->start = start;
+ ptr->size = end - start;
+ info->total_memory += ptr->size;
+ if (ptr->start < (1ULL << 32))
+ info->total_32bit_memory += ptr->size;
+ debug("%d: memory %llx size %llx, total now %llx / %llx\n",
+ info->num_areas, ptr->start, ptr->size,
+ info->total_32bit_memory, info->total_memory);
+ info->num_areas++;
+
+ return 0;
+}
+
+/**
+ * sdram_find() - Find available memory
+ *
+ * This is a bit complicated since on x86 there are system memory holes all
+ * over the place. We create a list of available memory blocks
+ */
+static int sdram_find(pci_dev_t dev)
+{
+ struct memory_info *info = &gd->arch.meminfo;
+ uint32_t tseg_base, uma_size, tolud;
+ uint64_t tom, me_base, touud;
+ uint64_t uma_memory_base = 0;
+ uint64_t uma_memory_size;
+ unsigned long long tomk;
+ uint16_t ggc;
+
+ /* Total Memory 2GB example:
+ *
+ * 00000000 0000MB-1992MB 1992MB RAM (writeback)
+ * 7c800000 1992MB-2000MB 8MB TSEG (SMRR)
+ * 7d000000 2000MB-2002MB 2MB GFX GTT (uncached)
+ * 7d200000 2002MB-2034MB 32MB GFX UMA (uncached)
+ * 7f200000 2034MB TOLUD
+ * 7f800000 2040MB MEBASE
+ * 7f800000 2040MB-2048MB 8MB ME UMA (uncached)
+ * 80000000 2048MB TOM
+ * 100000000 4096MB-4102MB 6MB RAM (writeback)
+ *
+ * Total Memory 4GB example:
+ *
+ * 00000000 0000MB-2768MB 2768MB RAM (writeback)
+ * ad000000 2768MB-2776MB 8MB TSEG (SMRR)
+ * ad800000 2776MB-2778MB 2MB GFX GTT (uncached)
+ * ada00000 2778MB-2810MB 32MB GFX UMA (uncached)
+ * afa00000 2810MB TOLUD
+ * ff800000 4088MB MEBASE
+ * ff800000 4088MB-4096MB 8MB ME UMA (uncached)
+ * 100000000 4096MB TOM
+ * 100000000 4096MB-5374MB 1278MB RAM (writeback)
+ * 14fe00000 5368MB TOUUD
+ */
+
+ /* Top of Upper Usable DRAM, including remap */
+ touud = pci_read_config32(dev, TOUUD+4);
+ touud <<= 32;
+ touud |= pci_read_config32(dev, TOUUD);
+
+ /* Top of Lower Usable DRAM */
+ tolud = pci_read_config32(dev, TOLUD);
+
+ /* Top of Memory - does not account for any UMA */
+ tom = pci_read_config32(dev, 0xa4);
+ tom <<= 32;
+ tom |= pci_read_config32(dev, 0xa0);
+
+ debug("TOUUD %llx TOLUD %08x TOM %llx\n", touud, tolud, tom);
+
+ /* ME UMA needs excluding if total memory <4GB */
+ me_base = pci_read_config32(dev, 0x74);
+ me_base <<= 32;
+ me_base |= pci_read_config32(dev, 0x70);
+
+ debug("MEBASE %llx\n", me_base);
+
+ /* TODO: Get rid of all this shifting by 10 bits */
+ tomk = tolud >> 10;
+ if (me_base == tolud) {
+ /* ME is from MEBASE-TOM */
+ uma_size = (tom - me_base) >> 10;
+ /* Increment TOLUD to account for ME as RAM */
+ tolud += uma_size << 10;
+ /* UMA starts at old TOLUD */
+ uma_memory_base = tomk * 1024ULL;
+ uma_memory_size = uma_size * 1024ULL;
+ debug("ME UMA base %llx size %uM\n", me_base, uma_size >> 10);
+ }
+
+ /* Graphics memory comes next */
+ ggc = pci_read_config16(dev, GGC);
+ if (!(ggc & 2)) {
+ debug("IGD decoded, subtracting ");
+
+ /* Graphics memory */
+ uma_size = ((ggc >> 3) & 0x1f) * 32 * 1024ULL;
+ debug("%uM UMA", uma_size >> 10);
+ tomk -= uma_size;
+ uma_memory_base = tomk * 1024ULL;
+ uma_memory_size += uma_size * 1024ULL;
+
+ /* GTT Graphics Stolen Memory Size (GGMS) */
+ uma_size = ((ggc >> 8) & 0x3) * 1024ULL;
+ tomk -= uma_size;
+ uma_memory_base = tomk * 1024ULL;
+ uma_memory_size += uma_size * 1024ULL;
+ debug(" and %uM GTT\n", uma_size >> 10);
+ }
+
+ /* Calculate TSEG size from its base which must be below GTT */
+ tseg_base = pci_read_config32(dev, 0xb8);
+ uma_size = (uma_memory_base - tseg_base) >> 10;
+ tomk -= uma_size;
+ uma_memory_base = tomk * 1024ULL;
+ uma_memory_size += uma_size * 1024ULL;
+ debug("TSEG base 0x%08x size %uM\n", tseg_base, uma_size >> 10);
+
+ debug("Available memory below 4GB: %lluM\n", tomk >> 10);
+
+ /* Report the memory regions */
+ add_memory_area(info, 1 << 20, 2 << 28);
+ add_memory_area(info, (2 << 28) + (2 << 20), 4 << 28);
+ add_memory_area(info, (4 << 28) + (2 << 20), tseg_base);
+ add_memory_area(info, 1ULL << 32, touud);
+ /*
+ * If >= 4GB installed then memory from TOLUD to 4GB
+ * is remapped above TOM, TOUUD will account for both
+ */
+ if (touud > (1ULL << 32ULL)) {
+ debug("Available memory above 4GB: %lluM\n",
+ (touud >> 20) - 4096);
+ }
+
+ return 0;
+}
+
+static void rcba_config(void)
+{
+ /*
+ * GFX INTA -> PIRQA (MSI)
+ * D28IP_P3IP WLAN INTA -> PIRQB
+ * D29IP_E1P EHCI1 INTA -> PIRQD
+ * D26IP_E2P EHCI2 INTA -> PIRQF
+ * D31IP_SIP SATA INTA -> PIRQF (MSI)
+ * D31IP_SMIP SMBUS INTB -> PIRQH
+ * D31IP_TTIP THRT INTC -> PIRQA
+ * D27IP_ZIP HDA INTA -> PIRQA (MSI)
+ *
+ * TRACKPAD -> PIRQE (Edge Triggered)
+ * TOUCHSCREEN -> PIRQG (Edge Triggered)
+ */
+
+ /* Device interrupt pin register (board specific) */
+ writel((INTC << D31IP_TTIP) | (NOINT << D31IP_SIP2) |
+ (INTB << D31IP_SMIP) | (INTA << D31IP_SIP), RCB_REG(D31IP));
+ writel(NOINT << D30IP_PIP, RCB_REG(D30IP));
+ writel(INTA << D29IP_E1P, RCB_REG(D29IP));
+ writel(INTA << D28IP_P3IP, RCB_REG(D28IP));
+ writel(INTA << D27IP_ZIP, RCB_REG(D27IP));
+ writel(INTA << D26IP_E2P, RCB_REG(D26IP));
+ writel(NOINT << D25IP_LIP, RCB_REG(D25IP));
+ writel(NOINT << D22IP_MEI1IP, RCB_REG(D22IP));
+
+ /* Device interrupt route registers */
+ writel(DIR_ROUTE(PIRQB, PIRQH, PIRQA, PIRQC), RCB_REG(D31IR));
+ writel(DIR_ROUTE(PIRQD, PIRQE, PIRQF, PIRQG), RCB_REG(D29IR));
+ writel(DIR_ROUTE(PIRQB, PIRQC, PIRQD, PIRQE), RCB_REG(D28IR));
+ writel(DIR_ROUTE(PIRQA, PIRQH, PIRQA, PIRQB), RCB_REG(D27IR));
+ writel(DIR_ROUTE(PIRQF, PIRQE, PIRQG, PIRQH), RCB_REG(D26IR));
+ writel(DIR_ROUTE(PIRQA, PIRQB, PIRQC, PIRQD), RCB_REG(D25IR));
+ writel(DIR_ROUTE(PIRQA, PIRQB, PIRQC, PIRQD), RCB_REG(D22IR));
+
+ /* Enable IOAPIC (generic) */
+ writew(0x0100, RCB_REG(OIC));
+ /* PCH BWG says to read back the IOAPIC enable register */
+ (void)readw(RCB_REG(OIC));
+
+ /* Disable unused devices (board specific) */
+ setbits_le32(RCB_REG(FD), PCH_DISABLE_ALWAYS);
+}
+
+int dram_init(void)
+{
+ struct pei_data pei_data __aligned(8) = {
+ .pei_version = PEI_VERSION,
+ .mchbar = DEFAULT_MCHBAR,
+ .dmibar = DEFAULT_DMIBAR,
+ .epbar = DEFAULT_EPBAR,
+ .pciexbar = CONFIG_MMCONF_BASE_ADDRESS,
+ .smbusbar = SMBUS_IO_BASE,
+ .wdbbar = 0x4000000,
+ .wdbsize = 0x1000,
+ .hpet_address = CONFIG_HPET_ADDRESS,
+ .rcba = DEFAULT_RCBABASE,
+ .pmbase = DEFAULT_PMBASE,
+ .gpiobase = DEFAULT_GPIOBASE,
+ .thermalbase = 0xfed08000,
+ .system_type = 0, /* 0 Mobile, 1 Desktop/Server */
+ .tseg_size = CONFIG_SMM_TSEG_SIZE,
+ .ts_addresses = { 0x00, 0x00, 0x00, 0x00 },
+ .ec_present = 1,
+ .ddr3lv_support = 1,
+ /*
+ * 0 = leave channel enabled
+ * 1 = disable dimm 0 on channel
+ * 2 = disable dimm 1 on channel
+ * 3 = disable dimm 0+1 on channel
+ */
+ .dimm_channel0_disabled = 2,
+ .dimm_channel1_disabled = 2,
+ .max_ddr3_freq = 1600,
+ .usb_port_config = {
+ /*
+ * Empty and onboard Ports 0-7, set to un-used pin
+ * OC3
+ */
+ { 0, 3, 0x0000 }, /* P0= Empty */
+ { 1, 0, 0x0040 }, /* P1= Left USB 1 (OC0) */
+ { 1, 1, 0x0040 }, /* P2= Left USB 2 (OC1) */
+ { 1, 3, 0x0040 }, /* P3= SDCARD (no OC) */
+ { 0, 3, 0x0000 }, /* P4= Empty */
+ { 1, 3, 0x0040 }, /* P5= WWAN (no OC) */
+ { 0, 3, 0x0000 }, /* P6= Empty */
+ { 0, 3, 0x0000 }, /* P7= Empty */
+ /*
+ * Empty and onboard Ports 8-13, set to un-used pin
+ * OC4
+ */
+ { 1, 4, 0x0040 }, /* P8= Camera (no OC) */
+ { 1, 4, 0x0040 }, /* P9= Bluetooth (no OC) */
+ { 0, 4, 0x0000 }, /* P10= Empty */
+ { 0, 4, 0x0000 }, /* P11= Empty */
+ { 0, 4, 0x0000 }, /* P12= Empty */
+ { 0, 4, 0x0000 }, /* P13= Empty */
+ },
+ };
+ pci_dev_t dev = PCI_BDF(0, 0, 0);
+ int ret;
+
+ debug("Boot mode %d\n", gd->arch.pei_boot_mode);
+ debug("mcr_input %p\n", pei_data.mrc_input);
+ pei_data.boot_mode = gd->arch.pei_boot_mode;
+ ret = copy_spd(&pei_data);
+ if (!ret)
+ ret = sdram_initialise(&pei_data);
+ if (ret)
+ return ret;
+
+ rcba_config();
+ quick_ram_check();
+
+ writew(0xCAFE, MCHBAR_REG(SSKPD));
+
+ post_code(POST_DRAM);
+
+ ret = sdram_find(dev);
+ if (ret)
+ return ret;
+
+ gd->ram_size = gd->arch.meminfo.total_32bit_memory;
+
+ return 0;
+}
diff --git a/arch/x86/cpu/pci.c b/arch/x86/cpu/pci.c
new file mode 100644
index 0000000..e399388
--- /dev/null
+++ b/arch/x86/cpu/pci.c
@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * (C) Copyright 2008,2009
+ * Graeme Russ, <graeme.russ@gmail.com>
+ *
+ * (C) Copyright 2002
+ * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <errno.h>
+#include <malloc.h>
+#include <pci.h>
+#include <asm/pci.h>
+
+static struct pci_controller x86_hose;
+
+int pci_early_init_hose(struct pci_controller **hosep)
+{
+ struct pci_controller *hose;
+
+ hose = calloc(1, sizeof(struct pci_controller));
+ if (!hose)
+ return -ENOMEM;
+
+ board_pci_setup_hose(hose);
+ pci_setup_type1(hose);
+ gd->arch.hose = hose;
+ *hosep = hose;
+
+ return 0;
+}
+
+void pci_init_board(void)
+{
+ struct pci_controller *hose = &x86_hose;
+
+ /* Stop using the early hose */
+ gd->arch.hose = NULL;
+
+ board_pci_setup_hose(hose);
+ pci_setup_type1(hose);
+ pci_register_hose(hose);
+
+ hose->last_busno = pci_hose_scan(hose);
+}
+
+static struct pci_controller *get_hose(void)
+{
+ if (gd->arch.hose)
+ return gd->arch.hose;
+
+ return pci_bus_to_hose(0);
+}
+
+unsigned int pci_read_config8(pci_dev_t dev, unsigned where)
+{
+ uint8_t value;
+
+ pci_hose_read_config_byte(get_hose(), dev, where, &value);
+
+ return value;
+}
+
+unsigned int pci_read_config16(pci_dev_t dev, unsigned where)
+{
+ uint16_t value;
+
+ pci_hose_read_config_word(get_hose(), dev, where, &value);
+
+ return value;
+}
+
+unsigned int pci_read_config32(pci_dev_t dev, unsigned where)
+{
+ uint32_t value;
+
+ pci_hose_read_config_dword(get_hose(), dev, where, &value);
+
+ return value;
+}
+
+void pci_write_config8(pci_dev_t dev, unsigned where, unsigned value)
+{
+ pci_hose_write_config_byte(get_hose(), dev, where, value);
+}
+
+void pci_write_config16(pci_dev_t dev, unsigned where, unsigned value)
+{
+ pci_hose_write_config_word(get_hose(), dev, where, value);
+}
+
+void pci_write_config32(pci_dev_t dev, unsigned where, unsigned value)
+{
+ pci_hose_write_config_dword(get_hose(), dev, where, value);
+}
diff --git a/arch/x86/cpu/start.S b/arch/x86/cpu/start.S
index 338bab1..b0d0ac0 100644
--- a/arch/x86/cpu/start.S
+++ b/arch/x86/cpu/start.S
@@ -13,6 +13,7 @@
#include <config.h>
#include <version.h>
#include <asm/global_data.h>
+#include <asm/post.h>
#include <asm/processor.h>
#include <asm/processor-flags.h>
#include <generated/generic-asm-offsets.h>
@@ -49,6 +50,8 @@ _start:
*/
movw $GD_FLG_COLD_BOOT, %bx
1:
+ /* Save BIST */
+ movl %eax, %ebp
/* Load the segement registes to match the gdt loaded in start16.S */
movl $(X86_GDT_ENTRY_32BIT_DS * X86_GDT_ENTRY_SIZE), %eax
@@ -65,6 +68,7 @@ _start:
jmp early_board_init
.globl early_board_init_ret
early_board_init_ret:
+ post_code(POST_START)
/* Initialise Cache-As-RAM */
jmp car_init
@@ -74,16 +78,29 @@ car_init_ret:
* We now have CONFIG_SYS_CAR_SIZE bytes of Cache-As-RAM (or SRAM,
* or fully initialised SDRAM - we really don't care which)
* starting at CONFIG_SYS_CAR_ADDR to be used as a temporary stack
+ * and early malloc area. The MRC requires some space at the top.
+ *
+ * Stack grows down from top of CAR. We have:
+ *
+ * top-> CONFIG_SYS_CAR_ADDR + CONFIG_SYS_CAR_SIZE
+ * MRC area
+ * global_data
+ * x86 global descriptor table
+ * early malloc area
+ * stack
+ * bottom-> CONFIG_SYS_CAR_ADDR
*/
-
- /* Stack grows down from top of CAR */
- movl $(CONFIG_SYS_CAR_ADDR + CONFIG_SYS_CAR_SIZE), %esp
+ movl $(CONFIG_SYS_CAR_ADDR + CONFIG_SYS_CAR_SIZE - 4), %esp
+#ifdef CONFIG_DCACHE_RAM_MRC_VAR_SIZE
+ subl $CONFIG_DCACHE_RAM_MRC_VAR_SIZE, %esp
+#endif
/* Reserve space on stack for global data */
subl $GENERATED_GBL_DATA_SIZE, %esp
/* Align global data to 16-byte boundary */
andl $0xfffffff0, %esp
+ post_code(POST_START_STACK)
/* Zero the global data since it won't happen later */
xorl %eax, %eax
@@ -91,31 +108,36 @@ car_init_ret:
movl %esp, %edi
rep stosb
- /* Setup first parameter to setup_gdt */
+ /* Setup first parameter to setup_gdt, pointer to global_data */
movl %esp, %eax
/* Reserve space for global descriptor table */
subl $X86_GDT_SIZE, %esp
+ /* Align temporary global descriptor table to 16-byte boundary */
+ andl $0xfffffff0, %esp
+ movl %esp, %ecx
+
#if defined(CONFIG_SYS_MALLOC_F_LEN)
subl $CONFIG_SYS_MALLOC_F_LEN, %esp
movl %eax, %edx
addl $GD_MALLOC_BASE, %edx
movl %esp, (%edx)
#endif
-
- /* Align temporary global descriptor table to 16-byte boundary */
- andl $0xfffffff0, %esp
+ /* Store BIST */
+ movl %eax, %edx
+ addl $GD_BIST, %edx
+ movl %ebp, (%edx)
/* Set second parameter to setup_gdt */
- movl %esp, %edx
+ movl %ecx, %edx
/* Setup global descriptor table so gd->xyz works */
call setup_gdt
/* Set parameter to board_init_f() to boot flags */
+ post_code(POST_START_DONE)
xorl %eax, %eax
- movw %bx, %ax
/* Enter, U-boot! */
call board_init_f
diff --git a/arch/x86/cpu/start16.S b/arch/x86/cpu/start16.S
index 6968fda..9550502 100644
--- a/arch/x86/cpu/start16.S
+++ b/arch/x86/cpu/start16.S
@@ -21,18 +21,16 @@
.code16
.globl start16
start16:
+ /* Save BIST */
+ movl %eax, %ecx
+
/* Set the Cold Boot / Hard Reset flag */
movl $GD_FLG_COLD_BOOT, %ebx
- /*
- * First we let the BSP do some early initialization
- * this code have to map the flash to its final position
- */
- jmp board_init16
-.globl board_init16_ret
-board_init16_ret:
+ xorl %eax, %eax
+ movl %eax, %cr3 /* Invalidate TLB */
- /* Turn of cache (this might require a 486-class CPU) */
+ /* Turn off cache (this might require a 486-class CPU) */
movl %cr0, %eax
orl $(X86_CR0_NW | X86_CR0_CD), %eax
movl %eax, %cr0
@@ -50,9 +48,11 @@ o32 cs lgdt gdt_ptr
/* Flush the prefetch queue */
jmp ff
ff:
- /* Finally jump to the 32bit initialization code */
+
+ /* Finally restore BIST and jump to the 32bit initialization code */
movw $code32start, %ax
movw %ax, %bp
+ movl %ecx, %eax
o32 cs ljmp *(%bp)
/* 48-bit far pointer */
diff --git a/arch/x86/dts/Makefile b/arch/x86/dts/Makefile
index 48265ef..bb3b116 100644
--- a/arch/x86/dts/Makefile
+++ b/arch/x86/dts/Makefile
@@ -1,4 +1,5 @@
dtb-y += link.dtb \
+ chromebook_link.dtb \
alex.dtb
targets += $(dtb-y)
diff --git a/arch/x86/dts/chromebook_link.dts b/arch/x86/dts/chromebook_link.dts
new file mode 120000
index 0000000..6f8c5cd
--- /dev/null
+++ b/arch/x86/dts/chromebook_link.dts
@@ -0,0 +1 @@
+link.dts \ No newline at end of file
diff --git a/arch/x86/dts/link.dts b/arch/x86/dts/link.dts
index f2fcb39..9329916 100644
--- a/arch/x86/dts/link.dts
+++ b/arch/x86/dts/link.dts
@@ -14,18 +14,21 @@
gpioa {
compatible = "intel,ich6-gpio";
+ u-boot,dm-pre-reloc;
reg = <0 0x10>;
bank-name = "A";
};
gpiob {
compatible = "intel,ich6-gpio";
+ u-boot,dm-pre-reloc;
reg = <0x30 0x10>;
bank-name = "B";
};
gpioc {
compatible = "intel,ich6-gpio";
+ u-boot,dm-pre-reloc;
reg = <0x40 0x10>;
bank-name = "C";
};
@@ -38,6 +41,117 @@
chosen { };
memory { device_type = "memory"; reg = <0 0>; };
+ spd {
+ compatible = "memory-spd";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ elpida_4Gb_1600_x16 {
+ reg = <0>;
+ data = [92 10 0b 03 04 19 02 02
+ 03 52 01 08 0a 00 fe 00
+ 69 78 69 3c 69 11 18 81
+ 20 08 3c 3c 01 40 83 81
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 0f 11 42 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 02 fe 00
+ 11 52 00 00 00 07 7f 37
+ 45 42 4a 32 30 55 47 36
+ 45 42 55 30 2d 47 4e 2d
+ 46 20 30 20 02 fe 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00];
+ };
+ samsung_4Gb_1600_1.35v_x16 {
+ reg = <1>;
+ data = [92 11 0b 03 04 19 02 02
+ 03 11 01 08 0a 00 fe 00
+ 69 78 69 3c 69 11 18 81
+ f0 0a 3c 3c 01 40 83 01
+ 00 80 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 0f 11 02 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 80 ce 01
+ 00 00 00 00 00 00 6a 04
+ 4d 34 37 31 42 35 36 37
+ 34 42 48 30 2d 59 4b 30
+ 20 20 00 00 80 ce 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00];
+ };
+ micron_4Gb_1600_1.35v_x16 {
+ reg = <2>;
+ data = [92 11 0b 03 04 19 02 02
+ 03 11 01 08 0a 00 fe 00
+ 69 78 69 3c 69 11 18 81
+ 20 08 3c 3c 01 40 83 05
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 0f 01 02 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 80 2c 00
+ 00 00 00 00 00 00 ad 75
+ 34 4b 54 46 32 35 36 36
+ 34 48 5a 2d 31 47 36 45
+ 31 20 45 31 80 2c 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00
+ ff ff ff ff ff ff ff ff
+ ff ff ff ff ff ff ff ff
+ ff ff ff ff ff ff ff ff
+ ff ff ff ff ff ff ff ff
+ ff ff ff ff ff ff ff ff
+ ff ff ff ff ff ff ff ff
+ ff ff ff ff ff ff ff ff
+ ff ff ff ff ff ff ff ff
+ ff ff ff ff ff ff ff ff
+ ff ff ff ff ff ff ff ff];
+ };
+ };
+
spi {
#address-cells = <1>;
#size-cells = <0>;
@@ -53,6 +167,7 @@
compatible = "intel,lpc";
#address-cells = <1>;
#size-cells = <1>;
+ gen-dec = <0x800 0xfc 0x900 0xfc>;
cros-ec@200 {
compatible = "google,cros-ec";
reg = <0x204 1 0x200 1 0x880 0x80>;
@@ -66,4 +181,14 @@
};
};
};
+
+ microcode {
+ update@0 {
+#include "m12206a7_00000028.dtsi"
+ };
+ update@1 {
+#include "m12306a9_00000017.dtsi"
+ };
+ };
+
};
diff --git a/arch/x86/dts/m12206a7_00000028.dtsi b/arch/x86/dts/m12206a7_00000028.dtsi
new file mode 100644
index 0000000..bcd5248
--- /dev/null
+++ b/arch/x86/dts/m12206a7_00000028.dtsi
@@ -0,0 +1,622 @@
+/*
+ * Copyright (c) <1995-2013>, Intel Corporation.
+ * All rights reserved.
+ *
+ * Redistribution. Redistribution and use in binary form, without modification, are
+ * permitted provided that the following conditions are met:
+ * .Redistributions must reproduce the above copyright notice and the following
+ * disclaimer in the documentation and/or other materials provided with the
+ * distribution.
+ * Neither the name of Intel Corporation nor the names of its suppliers may be used
+ * to endorse or promote products derived from this software without specific prior
+ * written permission.
+ * .No reverse engineering, decompilation, or disassembly of this software is
+ * permitted.
+ * ."Binary form" includes any format commonly used for electronic conveyance
+ * which is a reversible, bit-exact translation of binary representation to ASCII or
+ * ISO text, for example, "uuencode."
+ *
+ * DISCLAIMER. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
+ * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+ * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *---
+ * This is a device tree fragment. Use #include to add these properties to a
+ * node.
+ */
+
+compatible = "intel,microcode";
+intel,header-version = <1>;
+intel,update-revision = <0x28>;
+intel,date-code = <0x04242012>;
+intel,processor-signature = <0x000206a7>;
+intel,checksum = <0xf3e9935d>;
+intel,loader-revision = <1>;
+intel,processor-flags = <0x12>;
+
+/* The 48-byte public header is omitted. */
+data = <
+ 0x00000000 0x000000a1 0x00020001 0x00000028
+ 0x00000000 0x00000000 0x20120423 0x000008f1
+ 0x00000001 0x000206a7 0x00000000 0x00000000
+ 0x00000000 0x00000000 0x00000000 0x00000000
+ 0x00000000 0x000008f1 0x00000000 0x00000000
+ 0x00000000 0x00000000 0x00000000 0x00000000
+ 0x52b813ac 0xdb8994c7 0x70e9f6bb 0x9d6db2ff
+ 0xf4d70f5d 0x5b1eccf6 0xac59106f 0x0ae2e2c1
+ 0x1a7bbeb1 0x355a1d62 0x2e7eb594 0x09f8dea9
+ 0x432a49e4 0xbf520253 0xdafa4010 0x893a858a
+ 0x766e0efb 0xd91e196d 0x838bd2ef 0xe5146494
+ 0xd515f413 0x29704828 0xe85598b6 0xdcbe6c51
+ 0x88eabbfa 0xa1e8909f 0xd8931721 0x35386554
+ 0x089a78a7 0xd9914775 0xd4644748 0x1556a4dc
+ 0xf44448f6 0xd054d7db 0xf30f2b7d 0x5ae223d0
+ 0xcbbb48b0 0x5c8b0383 0x177de157 0x9c1e5f73
+ 0x2ec28289 0xd72a7b6c 0x823b6eb2 0x35e02171
+ 0xba8deae4 0x06f4d468 0x13dbafaa 0x72b419f1
+ 0x033385b5 0x05806920 0x4c6034cf 0x9bd117dc
+ 0x976e2d04 0x250330f0 0x7250b5e1 0x184980c2
+ 0x12a9d7d6 0x1bc808f9 0xae79994f 0xc6f87901
+ 0xc0e3132f 0x671491c5 0x236cad39 0x37889d9c
+ 0x67f7c3f3 0x964a6be5 0xbcced7da 0x57eeaa6e
+ 0x7bca1522 0x654fee4c 0x2a1ca5d9 0xa1803cf3
+ 0x00000011 0x8c316d2c 0x17603b7e 0x32e42981
+ 0xc26c1400 0xf0fbccb6 0xeab6b43a 0x11d456a5
+ 0x5b912d46 0x15195fe0 0x542f6db3 0x0b7f212e
+ 0x47718dd9 0x7c41b108 0x06c21111 0x4445d5ea
+ 0xb4fb8128 0xe07404a6 0x8d503da4 0x78fc7e44
+ 0xb9919656 0x9968c797 0x87f26ab0 0x23bb1af7
+ 0x1ec5d761 0x26f30d2c 0x7cdb747c 0xe4d42033
+ 0x8a5d4801 0x768aff57 0xbcfd5d11 0x7c853c2d
+ 0x231e6207 0x8b1988a6 0xd68fdb75 0x58dcb417
+ 0x44422ef9 0x2a186ebb 0x7d27e85f 0x36ac31f7
+ 0x1e487e77 0x2b0b8c37 0xd8ba682f 0x2cba791b
+ 0xe6d3dece 0x1b2c2a99 0x4e5decab 0xfbd313a3
+ 0xdbc78294 0x5a80cce7 0x2d8e0f0b 0xcf564f71
+ 0x073d1f37 0x25162870 0x96cdb85b 0x9c553048
+ 0x24eba740 0xfc0f352e 0x0c83be68 0x89b5076c
+ 0xc39c4355 0x6a4cf25c 0x2bbd2682 0xc524fdb9
+ 0x7ea19bae 0x191ad6f1 0xd3fbf3bf 0x21bf77fa
+ 0x8f77fec4 0x0f90f635 0xe55e165c 0x868d58c0
+ 0x966bc0ad 0x6c276364 0x9d8f7eff 0x4b7925d4
+ 0x8b2f9326 0x4ab7b47e 0x33a9087c 0xf31ab949
+ 0x69831dfb 0x4711a215 0x8128c1fa 0x8481c213
+ 0x7401b01b 0xfdcfdc50 0xd6b55266 0xae9b23ac
+ 0xfa2ad275 0xa225bb45 0x4dd720c4 0x760a20e6
+ 0x5f1223c9 0x2f334372 0x6e1dcdab 0xe8ee8638
+ 0x1c19ba8a 0xef9341c4 0x360aaa9d 0x90452ea9
+ 0x65852446 0xe9398fa3 0xbba6a631 0x1a3e90b9
+ 0xe2a73a56 0x6e8c0747 0x35c7c53d 0xcc1ac842
+ 0x183356af 0xb6e98608 0x987b43c2 0xa8a3cfd2
+ 0xc2c5fce0 0xcc3af64a 0xd6d3a291 0xe59ad1f5
+ 0x124ca513 0x9522b50a 0x25150477 0xa2eb5797
+ 0x7fc63626 0x648c48e3 0x9f5797ff 0x2307b84d
+ 0x980625a4 0xabc05983 0x24980807 0x773c4f99
+ 0x3407b872 0x07c3657a 0xa2cd9e48 0x49c1e6a8
+ 0xa881b84c 0xf804d72c 0xb5319d2a 0x3e39780f
+ 0x97518822 0x0acd54c2 0x0721a9ff 0x10e1d2fd
+ 0xa7b6db77 0x845b1a56 0xef00160e 0x6b41bfd5
+ 0xc994df0d 0xcf44a5ca 0x794b36a4 0xf9fdb127
+ 0x922a1366 0x822aa8a9 0x4b137bd5 0x5722a49f
+ 0x8933719a 0x17edc1a9 0x079d9538 0x21fae7d5
+ 0xe534fd73 0x9d3038d5 0x48c3a056 0x5b22d58a
+ 0x6f142866 0xf1d767cd 0xb51ad5a6 0x34a0ef85
+ 0x0111703e 0xca4b3a30 0xa0f3c34d 0x9d48775a
+ 0x3f2059f9 0xf2fe2c36 0x588861a9 0xed5bd9fe
+ 0x8231f7cb 0x8c115969 0x3f82ba00 0x21b3730c
+ 0xba757997 0x3ec0bb2c 0x16f11def 0x5d4356c6
+ 0xdc2e0bc2 0x58c1eb6e 0x313ede0c 0xb68fcc52
+ 0x84d3e1b5 0xcc6d9201 0x95046196 0x276b527b
+ 0x80a4a729 0xe782916d 0x5cf09e0b 0x98aaf9fa
+ 0x1de6dd43 0xab4f1962 0x49ece734 0x81455488
+ 0xc2597b61 0x5b22af85 0x646f7b94 0x09213a1f
+ 0x08edf7e4 0x963d343c 0x059ba888 0xb4e804ed
+ 0xe7cc826c 0xf87bafc7 0xeecaec10 0x8e60919c
+ 0xbf14c996 0xd3dcaee3 0xb8fa0b7e 0x81563c6e
+ 0x7f59a258 0x2f344446 0x374d8aa6 0x9b6de5c9
+ 0xbf992857 0xbc5b94fc 0x28adb080 0x17e41044
+ 0xb87b469e 0xda504d12 0xf21bef8b 0xce75c1e3
+ 0xdbd92c83 0x58bba0af 0x77b42977 0x506cfd75
+ 0x1139e875 0x6ce5fe43 0xc6a5d7b3 0x87f9e628
+ 0x7b5c500b 0x130066b3 0x789b611f 0xec8c1ba9
+ 0xb7e6872d 0xaf828cd6 0xc28d3316 0x2a91f6d0
+ 0xc725f063 0x065ac531 0x4f9ef4b8 0x2b9d927e
+ 0xaf54f3f9 0x7c924f72 0xda1d77ad 0xff00db67
+ 0xaf4f03c0 0xb4f4ee64 0x169e64e5 0x04653ac0
+ 0xed51cb70 0xfeaff0e5 0x51dbf346 0x072a2407
+ 0x23fb74f4 0x9a906eef 0x5d6fc3f0 0xbc3c374c
+ 0x1cf9f063 0x919015d9 0x5b3e9d07 0xd6209d8b
+ 0xa3710b3d 0x90ad23b8 0x420ceedc 0x58e8371f
+ 0x5d419d1f 0xb8acd13f 0x7d100d6d 0x210c10d1
+ 0xcd0a697e 0x5023db4b 0x33e6d8e7 0x44bbe6b4
+ 0x827e859f 0x6ca4cc81 0x661bb2c3 0x71209ee8
+ 0xb8c3ffaf 0xd1075f51 0xba1eae10 0x728b0a6a
+ 0xe4af7a2f 0xca9bcf2e 0xb249a631 0xdce6be47
+ 0x5c910321 0x425c3c27 0x33083e43 0xdea067ae
+ 0xea594a23 0x41b75c2c 0x3a401a95 0xd33cd88a
+ 0xc295cad0 0x67f48045 0x1dc9ad4c 0x4bc48864
+ 0x53991b6e 0x7aadde5f 0x2b0bf775 0x06ba5380
+ 0x9eb874be 0x2c4b967a 0x1bcc342f 0xe875001b
+ 0x15b5642d 0x5be99c9d 0xcb210ace 0x1b4924ad
+ 0x3793ed81 0x8b983114 0x3ec33981 0x75ec71e7
+ 0x8b5b7df3 0x834756f4 0x100fad01 0x70037fdf
+ 0x0cef9a36 0x3d9e3a2d 0x38b48efd 0xfc4034b6
+ 0xa32e29dd 0x388944bc 0xc1c15614 0x3877e9c7
+ 0xa5e733fa 0xa621bd53 0x4b651df6 0xce082970
+ 0x85f30d6f 0x729a5c87 0x31dd7ba9 0xdb495828
+ 0x7b12c698 0x953495c9 0x6b5f99e7 0x2cc42fa8
+ 0x697ac512 0x1be679de 0xc116d305 0x94a36606
+ 0x9e5e141e 0x874affed 0x58d40b0b 0x5e3cf5e5
+ 0x5d05e9a9 0x06840efc 0xd2f98b21 0xa1e83ab2
+ 0x4f726202 0xa6394535 0x62a02403 0x9f2167ec
+ 0x4f9fc77b 0x98073be4 0x2bc781fa 0xfc8e4c89
+ 0xc7179b97 0x692cf793 0x708ff7bb 0x12ecba93
+ 0xacd06e21 0x202bef76 0x03852241 0xe84e02a1
+ 0xf1f9ac8d 0xcee61aef 0x61a4f235 0xd22991eb
+ 0x67a81345 0x375a15c6 0xe8fae8a3 0xb4ff2b37
+ 0x339ee4ea 0x14ffadc3 0xf49340dd 0xf285e568
+ 0x00fc6970 0x369c52d1 0x4f55368f 0x3f4d75f1
+ 0x6a73b603 0x963c1f59 0x171e2bdc 0x72bac76b
+ 0x9e2e5c32 0x307f7c3f 0xd3b48637 0x3a917acf
+ 0xea52a65f 0xecd209fb 0xf0ad84bf 0xd4bdea70
+ 0xa2647b38 0xce040b49 0xc6d5f13d 0x5d942c52
+ 0xf8edc042 0x798fdefd 0x4b074246 0x1cb1873a
+ 0x6793c186 0x23b9c774 0x77bb0202 0xc519b3aa
+ 0xa30c09a2 0xe1f6669a 0xb7eddb8d 0x7aaa91d6
+ 0x076a3789 0x0ac47791 0x1e503404 0x44fe8c54
+ 0xf3cbbf49 0xd3234eef 0x0d898b3f 0xe854984b
+ 0xe3986de9 0x923a5c76 0x2ee9abca 0x1a9fedbe
+ 0xdf76dcd1 0xea07936b 0xcdaaf247 0xe62d98fa
+ 0xa99c7f7b 0x34fc84d4 0x03a35111 0xad5675c8
+ 0xcc64075b 0x408203f9 0x846e1f08 0xe934019e
+ 0x423d1223 0x2f04f9e3 0xee1dbf40 0x65edc60f
+ 0x097aa22f 0x7058a2b7 0x41c8a0a5 0xa68aa391
+ 0x0f345c40 0x667517e6 0x860838ba 0x6dae933b
+ 0x764d5919 0x6673fa0f 0xf0a5e97d 0x4262ebbe
+ 0x64b413f2 0xd2c4145a 0x0b2c11f3 0xfdfe9f93
+ 0x96c77107 0x1399fdda 0xf599f215 0xb504da5d
+ 0xf8a95268 0x9ed1ef87 0x9ae33cfb 0x3b21f1ef
+ 0xc6d447c2 0xe0694d4e 0x967febab 0xc13f631d
+ 0x8393bfba 0x37438788 0x1724194d 0x8e77a045
+ 0x20e2483c 0xb961c2fc 0x485cf593 0xb3462621
+ 0xcb2959b8 0x10307e19 0xf71fbbfd 0xdda641e1
+ 0x0daf5f66 0x56d85178 0x145f6749 0xebc46ed1
+ 0x5593c249 0x94561f51 0x534cc654 0xca7c8814
+ 0xb59a578c 0x40b2b614 0xeaf3437a 0x198d5b4e
+ 0xf245fa53 0xfb75e0b0 0xa363c46d 0xc43b5468
+ 0xdf036413 0xc59f5a36 0xd8ff4381 0xa3af3e36
+ 0x7af63462 0x414526d7 0x7bdc41c5 0xa416f1e7
+ 0x6987d9ad 0x472c5499 0x4f10ee37 0x47bb7ff7
+ 0xc7f2e621 0x820008f7 0x33a475db 0x91ff5d72
+ 0x0517401c 0x73d067c8 0xe417b69d 0xb86d9903
+ 0x1ac9a032 0x74bbf582 0x8b65596e 0x883be34c
+ 0x95dcc26f 0xe232c646 0xfae9c19f 0x35cb5273
+ 0x6a94d095 0xfff6ca91 0xb9c40eb5 0xd351dcac
+ 0xc90d464f 0x9b609642 0x15663b56 0x15f7f88d
+ 0x22499f60 0x417fd6c5 0x2dc36fe2 0x712bf66a
+ 0x22f1fba8 0x531b8092 0x40d269b6 0x1d227898
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+ 0x0cd44481 0xb0040966 0x27fd6e7f 0x6ff45d4c
+ 0xab057ad1 0x8fa4e5d4 0xac50270c 0x6e4926ca
+ 0xc5721498 0x2529b458 0x40ee2ad5 0xde5e21f2
+ 0xea8964ca 0x56766e60 0xdc3b8702 0xa93528d4
+ 0x28d7713d 0x42edf022 0x59774dd8 0x200ff942
+ 0xe7a4d769 0xd8c4ef5e 0xe177f715 0xe9d53cd6
+ 0xc11270bb 0xb25977e5 0xb80867b4 0xfb48468b
+ 0xdbf166a8 0x49700d85 0x0f85f98a 0xa7ca7a75
+ 0x109817ce 0xca243f19 0x8bed7688 0x9a1c8231
+ 0x94f0ce97 0xc36309ca 0x90ecac24 0x67e7e0de
+ 0x86b18d62 0x18c7b7a5 0x622f5d3a 0x47e1e067
+ 0xdc96b94d 0xe4a03beb 0x59d17692 0x040abc0d
+ 0x44a5ae50 0x3d3dab7d 0xc18dfd30 0x2802b9d9
+ 0x6818379f 0x56db41d7 0x97cbf039 0xe41d6a32
+ 0x64b5fb01 0x6506e0b4 0xd60a3234 0xdf3573d2
+ 0xac148579 0xe7f46ac0 0x05e1c763 0x904a5aa9
+ 0xc7ca1ee0 0xe0c3b047 0x5e36e1bc 0x447a9141
+ 0xe24654df 0x9853a49b 0x6a29cedb 0x022f00dc
+ 0x6df2a7a7 0x3636da02 0x72bb9c81 0x4f0e0918
+ 0xd649f4a5 0xbb0c81f9 0xc0ba93fd 0xc1b390f1
+ 0xda84e720 0x1aea0064 0xf3ee67e1 0xb874ef4a
+ 0x82467ce6 0x59abf506 0xafbf145a 0x9a4cf8a1
+ 0x17247c89 0xd8669398 0x1796eaf7 0xbc2d24a9
+ 0xcb486570 0x17a9db23 0x3e6504f0 0x08684517
+ 0x2723ab28 0x7081b814 0x8a265a04 0x697e6d8b
+ 0x69b146dc 0x6434c182 0x27ec8101 0x864405c5
+ 0xfff86c9e 0x3052d8a6 0x23d283db 0x492970e8
+ 0xbc6c64c3 0x46d8f98b 0xe16e7ff3 0x731e4f82
+ 0xbd26b1af 0x6b30e6c1 0xff192fce 0x097e0bba
+ 0x49df63a5 0x2fdc3f01 0x50aae053 0x60177b8f
+ 0x1949eb85 0xa46084ce 0x9658f694 0xcb951fbc
+ 0xc53806d9 0x63a17d30 0x3b3f86c2 0x8a37aa6c
+ 0xedf8fe5c 0x87aee1d3 0x8c680126 0xfd8b27a6
+ 0x231fa106 0x69358c25 0x4502c348 0xc107861c
+ 0x46280e70 0xcf6067ac 0xf6a04ff3 0x3e488677
+ 0x6f3fb4c1 0xeec1f758 0x560e1c48 0xb604c06b
+ 0x69e34b1e 0x8ef41dec 0x854cea22 0x726581d7
+ 0x55ea91f3 0x38ae4053 0x5ff7389d 0x6952cbf6
+ 0x09aa0fc1 0xcccb1d50 0x5c1a633a 0xde1eba46
+ 0x797212d8 0xa943fb3d 0x6063a1a8 0xbe68ef36
+ 0x6ba0d5ba 0x0dbe2061 0x47711712 0x62679807
+ 0x6f34009e 0xe6fe8f18 0x66a6a64b 0x3f80f472
+ 0xe953d5e0 0xbcd8196a 0x086faad0 0x49da7f16
+ 0x7f2199a5 0x55af4af2 0x085b4d38 0x22e634bd
+ 0x6cff0416 0x343466f4 0xd121a7a6 0x6caa3942
+ 0xe4f365a2 0xd832eb0c 0x616728e5 0xcca4c71a
+ 0x4010cdc2 0xd0f1d1cb 0x5e695f89 0x27719206
+ 0x0ec92854 0x76144a1b 0x49808021 0x12457a1b
+ 0xdde7aa5c 0x8f1a077f 0x110a4a5a 0xb3a5ad31
+ 0xaacebf8f 0x66ff7f33 0xa2340971 0xfb4c7e82
+ 0x8dd536d7 0xafd2021a 0x72aa9c6e 0x22df6952
+ 0x83c4b4fb 0xba515555 0x93eee8f0 0x22d0ed5a
+ 0xbec05586 0x83828f28 0xe0d7f930 0xac0f0199
+ 0xef6d76f9 0xf56ebdf8 0xf67323c9 0x8b805745
+ 0xce5902c0 0xfa2ce3da 0x10f836dd 0xe1ac6d97
+ 0xa0e415ea 0xbb7c32ad 0xc421f3b0 0x8166e898
+ 0x74e7a73c 0xf454b82a 0x631369b1 0xe30ed23f
+ 0xdaa1c75b 0xe7c9c6a7 0x5f33c375 0x99c05187
+ 0xf2d6e6ae 0xcd2045b8 0x92ff3009 0x15082015
+ 0xd1a1580e 0xdce25f9b 0x21984a75 0xa9be5388
+ 0x099a5372 0x3ab9bcfa 0xdb9069aa 0x49a99be6
+ 0x42a9ee0b 0xfe32d832 0x24e11ad3 0xd16f596b
+ 0xb95982cc 0x754ab1c8 0x42ffa128 0x539e823d
+ 0x28e0f976 0x262ddfc0 0x2a16e7ad 0x49b5acd9
+ 0x931f3def 0xdc419b84 0x8412cc3c 0x81056cd9
+ 0x91933e1f 0x57710b15 0xa55d2696 0x87d88724
+ 0xd4fedfdc 0xcc3825c6 0x397f382f 0x80f9b6ba
+ 0xcdd6d59f 0x24b984d8 0x8f1c5bcf 0x25bcef1d
+ 0x00dc603a 0x76fd94c2 0xa267a7dc 0xa6e90a6a
+ 0x5c5916d6 0x065a52cf 0xa28d3263 0x9b17b72d
+ 0xb8436b48 0x1b1c2391 0x1fda3395 0xa6cecbcb
+ 0xbc4ec502 0x1766b590 0x5945fbd6 0x6a124405
+ 0xf92d06f2 0xe24694b7 0xf6befd08 0x8266cf5c
+ 0x03ed670a 0x5f98be62 0xf27b7e2e 0x598cf22c
+ 0x2e855591 0x879815fb 0x153799c6 0x3820faf6
+ 0x3d3a2cc6 0xdbb6dece 0x1a3c46b2 0x5031bdda
+ 0x47894c03 0xe43661fe 0x7a6ee548 0xa5ca9779
+ 0x6aa9e105 0xbc8505a3 0xa03b860a 0x448faeb9
+ 0x367de4a9 0xc9779c7d 0x6535ad8c 0x4b7fcacc
+ 0xb2db5c10 0x0ab41ec6 0xe528ab90 0x5e6f03da
+ 0x98bc76d3 0xf38df42e 0xea59b039 0x1c2eaa28
+ 0xca30dac5 0xdb0eb8c6 0x60063860 0x18823f8d
+ 0x164e2f28 0x7cbbe080 0x70a12315 0xb08f44d9
+ 0x5fbb9453 0x4bc62738 0x9fa15ffc 0xe4033ca1
+ 0xc9dfbc13 0x58245d7d 0x588113aa 0x8f5a6ac8
+ 0x92588a60 0x26330c74 0xb2aaf0e3 0x24ada1ea
+ 0xa9e973ae 0x624b73e7 0x4ef961db 0x95ede155
+ 0xf2bb86ff 0x96bc79d9 0x95cd646b 0x1c3af453
+ 0xf60fa711 0x10905115 0x0e24b740 0x169bb227
+ 0x34cee6f0 0x990980db 0x18d8ace5 0xd4c87504
+ 0x29515d32 0x2e5d9c04 0x87dffa60 0x12e815d1
+ 0x021db8e9 0x2c5a42fd 0x6e3a1a13 0x88889ab5
+ 0x3bc915a6 0x608919c5 0xd310a970 0xea8f3218
+ 0x949f55bc 0x9ed7aadd 0x6d990157 0x181f1c2f
+ 0xa940df64 0xf3be8c39 0x7ca2e699 0x7b4f07f9
+ 0x89e83fee 0xe66b9493 0x54fc3d17 0xa63d2d46
+ 0xd5e835d5 0x910e0144 0xecf67025 0x1fa6a93a
+ 0xe692dbca 0x466af681 0xc2bc808c 0xbb4ebd60
+ 0x74d5c729 0xa283ad25 0x1e66fa23 0x6d372988
+ 0x753c9fcb 0x1742efdb 0x5b68cf15 0x372a0e33
+ 0xaa3a7ebd 0xa0e944d5 0x95d5cbb4 0x4fb6020b
+ 0xced927b0 0xb2afea78 0xd0646b72 0x1622fad4
+ 0x4672c6b6 0x736ae4f8 0x8d46a4db 0x0e6a432e
+ 0xe0a30a98 0x4c2bcf4f 0xd87acedd 0x19682d7a
+ 0xf97c025c 0x55d8feb3 0xbcd4d2ff 0x236c6f9f
+ 0x8ba0246d 0x42812f73 0x327636f5 0xc92cd30a
+ 0x08a69d9d 0xc735a946 0x82eca01f 0xda0753a0
+ 0x7077b1d1 0x17b05834 0xfa24bc02 0xf49f4473
+ 0x8f9ac6b4 0xa880c630 0xf7457b4d 0xd5f829e4
+ 0x25c49a99 0x1176a997 0xbb2d2009 0x61d35764
+ 0xa322c752 0x6ef3ae02 0x5faae6f8 0x9a52acf1
+ 0x19176f43 0x43843b07 0x14efc471 0xee474403
+ 0x319c4857 0xa19adcf0 0xc0a466e1 0x02db14ad
+ 0xb7f211f3 0x72aa6ca6 0x0eb9bffe 0x48a6d284
+ 0x9a93a2ee 0xac09fc5f 0x92a62c4f 0xd34f0271
+ 0xffb348c7 0xf229b6e2 0xc68ec1ca 0x19577dbc
+ 0x069a10bf 0xf64ac347 0xf7c3c848 0x81975294
+ 0x6376e550 0x93b53440 0x8bb17daa 0xc4c64c07
+ 0xcaeff293 0xd51497b0 0x33da3565 0xa73d5def
+ 0x4bf4dcde 0xfb470fcd 0xca7db864 0x7ef17022
+ 0x47567363 0xd8fb8d74 0xa68c3c72 0x8202e4f3
+ 0x75bf1798 0x16a70fd2 0xcc3b697f 0xab9a1075
+ 0x13f56ef3 0x269d0302 0xcb655a43 0xc9a4de88
+ 0xfb8363de 0xff40f36d 0xd2555489 0x647a7995
+ 0xfd8eda6e 0xa3958c9a 0x20e029b4 0xbed3e225
+ 0xa7df5f17 0x63bc3c1a 0x337ecc9d 0x6c329508
+ 0x786aa47e 0x1db5b093 0xc0acd73b 0xf9587237
+ 0x243e5d40 0xd3623c3a 0x338c4740 0xb672140e
+ 0x43640a9b 0xb7ef3f6a 0x44151074 0x749bcc46
+ 0xfa1f103b 0x0fefb19e 0x58855538 0x138ad276
+ 0x2641fd80 0x297d99d0 0xfaa63ba2 0x00b6f11a
+ 0x3793fb6b 0x124763a1 0x8b9419ac 0x56abf9eb
+ 0xdbf83419 0x43570571 0x37299cd8 0x8b201e62
+ 0xa4058fa5 0xb320e91b 0xbe7d40b7 0x4eca3b2d
+ 0x8519c155 0xf4b17021 0x9e4c572a 0xdc1f9e16
+ 0x39a589a3 0xa6cfc7a8 0x5b986910 0x64e150e7
+ 0x60b6f2c1 0x02bacd3f 0x2f3b5a5c 0xc6f453a8
+ 0x15a87a7e 0x76104a14 0xafa2ef63 0x2cd48dbe
+ 0x3c7abddc 0xd786ea5a 0x4f65867a 0x355cda38
+ 0x2ae03d9e 0x4f11f6be 0xfc0a0034 0xde4ea602
+ 0x21ff83ea 0x0f12d913 0xedf4da28 0xc96d8fd1
+ 0xd7e82c3c 0xfec63bdc 0x37a456d7 0x3007e18c
+ 0x091a47b6 0x82f1c641 0x82219cce 0x3e7e6993
+ 0x7b3a2115 0x0b8e1a02 0x40f88213 0xfa2f9c21
+ >;
diff --git a/arch/x86/dts/m12306a9_00000017.dtsi b/arch/x86/dts/m12306a9_00000017.dtsi
new file mode 100644
index 0000000..299d663
--- /dev/null
+++ b/arch/x86/dts/m12306a9_00000017.dtsi
@@ -0,0 +1,750 @@
+/*
+ * Copyright (c) <1995-2013>, Intel Corporation.
+ * All rights reserved.
+ *
+ * Redistribution. Redistribution and use in binary form, without modification, are
+ * permitted provided that the following conditions are met:
+ * .Redistributions must reproduce the above copyright notice and the following
+ * disclaimer in the documentation and/or other materials provided with the
+ * distribution.
+ * Neither the name of Intel Corporation nor the names of its suppliers may be used
+ * to endorse or promote products derived from this software without specific prior
+ * written permission.
+ * .No reverse engineering, decompilation, or disassembly of this software is
+ * permitted.
+ * ."Binary form" includes any format commonly used for electronic conveyance
+ * which is a reversible, bit-exact translation of binary representation to ASCII or
+ * ISO text, for example, "uuencode."
+ *
+ * DISCLAIMER. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
+ * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+ * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *---
+ * This is a device tree fragment. Use #include to add these properties to a
+ * node.
+ */
+
+compatible = "intel,microcode";
+intel,header-version = <1>;
+intel,update-revision = <0x17>;
+intel,date-code = <0x01092013>;
+intel,processor-signature = <0x000306a9>;
+intel,checksum = <0x3546450b>;
+intel,loader-revision = <1>;
+intel,processor-flags = <0x12>;
+
+/* The 48-byte public header is omitted. */
+data = <
+ 0x00000000 0x000000a1 0x00020001 0x00000017
+ 0x00000000 0x00000000 0x20130107 0x00000a61
+ 0x00000001 0x000306a9 0x00000000 0x00000000
+ 0x00000000 0x00000000 0x00000000 0x00000000
+ 0x00000000 0x00000000 0x00000000 0x00000000
+ 0x00000000 0x00000000 0x00000000 0x00000000
+ 0x86c5b0d4 0xf6978804 0x7f4f5870 0x6319dc3c
+ 0xbb3b7d61 0x33cf9075 0xe8424658 0xf611a357
+ 0x5a3401db 0x42caecce 0xb4d8e75e 0xe6dbaf24
+ 0x7861b35f 0x6bd717bc 0x23b9b731 0x82ec1ac8
+ 0x20337b64 0x5396dbf1 0x59973bff 0x724bc7e9
+ 0x5237193b 0x0b8647c1 0x6a0d0e16 0xbf9ddb5b
+ 0xace2cc1c 0xad707638 0x056f102f 0xa37e60f8
+ 0x76255642 0xfb86e030 0xb8069a40 0x367795f1
+ 0x653fb05e 0xab7f14ad 0xb6e8a8e1 0xd2598d20
+ 0x2eba3f68 0x78b372f1 0xba8d13f8 0x1f1de861
+ 0x97f951d5 0x8097c728 0x27dbf904 0xb97906a8
+ 0xffe7a4ac 0x4b947668 0xc1dbd726 0x2adcf777
+ 0x63b1bcf0 0x818e2a1b 0x49aa907b 0x2faf5e8d
+ 0xae842352 0x82707fae 0x0aa12b41 0xa0bae11c
+ 0xb4298c47 0xd2b4099c 0x4ff625f2 0xcd2630d4
+ 0x79850981 0x05dbf57d 0xb05b81a5 0x56e73ec7
+ 0x95cb3897 0xe262bda5 0xb2c6e288 0xcb7f8e77
+ 0x72b8bdd3 0x3f400494 0x63ade65b 0xbc4adc71
+ 0x00000011 0x06c0f8ff 0x0eb63d77 0xc54cdabf
+ 0x76bc8860 0xdd142643 0xe7bfc220 0x17aa0a91
+ 0x4fd676ba 0x4b6b1a15 0x2a1a1c16 0x4fed6de0
+ 0x8c3d6bcf 0xbb319bf6 0xa82532f1 0x7c8ce014
+ 0xb830a38b 0xec25bc6b 0x61c8a8a9 0x49a21dba
+ 0xfcf8bad0 0x7372f29c 0x1f7fbcdd 0xc2ff42f4
+ 0x780878f0 0xc967068e 0xe19cc3c9 0x155e6646
+ 0x75235c43 0x9aaf3741 0x9dfd116d 0x0f031b6a
+ 0x4963e039 0x6918daa8 0x7f0ca4ab 0xd77dad79
+ 0x2f8847e8 0xf79c82a4 0x6a6aaad4 0x24f07dbc
+ 0x895d3f6a 0xc96b2eb0 0xff50228f 0x573d364a
+ 0x5fca9d56 0x3c11c35b 0x3e90fb12 0xc4604067
+ 0x5c980234 0x7c42e0c7 0x60cca3de 0x637a4644
+ 0xedc43956 0xb0efb4e1 0xe94716fa 0xa6478f51
+ 0x33965654 0xdf6b40a3 0x48ac1b18 0xd6723c94
+ 0xf040d6d1 0xaf850470 0xe2bcde48 0xb90a4998
+ 0x8f620105 0x3d592878 0x2f697bad 0x9f7721d9
+ 0xec34444a 0xb0594770 0xd7180f9f 0xa510a168
+ 0x460563b0 0x5d4f34f4 0x21dfc16b 0x051de344
+ 0xa57bc344 0xff2c7863 0xf0bc063d 0xf5a89004
+ 0x79a81dab 0x9e8cb974 0x2309b0a4 0xa47a46de
+ 0xcf9c0c44 0xf761c817 0x67ab642c 0x0db4422f
+ 0xca3616fc 0x79e66c8a 0xd56a3332 0x5e0f338b
+ 0x5814cb3a 0xed1b9a4d 0x47d59f72 0x25b03786
+ 0x3edd1d42 0x8cd947cd 0x706e6ebd 0x82c2bada
+ 0x1bf6a96b 0x77dd859a 0xda35335f 0x22fab458
+ 0xd0661fd8 0x02bb4a42 0xe2a2bcdb 0x0616580e
+ 0xd35be23f 0xc206d16c 0x401218be 0x51107c3d
+ 0xba84b8be 0xace4d8f2 0x505b9b28 0xc517034b
+ 0xac5ba582 0x7419fe54 0x43493cb1 0x2fe0a66e
+ 0x206039b5 0x07569011 0x230ce53d 0x168d427f
+ 0xbfe0bd10 0x82bf11be 0x5b55475b 0x5490a0e9
+ 0x1c3c1e3c 0xacad77de 0x1666512f 0xfc3250d8
+ 0x930a6312 0xdd85c066 0x1b95c18f 0xc8bbd3b0
+ 0x1bb2a34e 0x642c7653 0x0f536213 0x1f7ab4eb
+ 0xaa5ef677 0xe6ac9581 0xd7a2fe73 0xd417dc79
+ 0x455a6877 0xae825a40 0xe0c98bec 0xac39ba49
+ 0x299d9bd9 0x957d0bb0 0x1645111b 0xe9da4beb
+ 0x1b005ce7 0xddb742ce 0x6c5f3ffc 0x24f74d2c
+ 0xf4ace044 0xb21bc7ba 0x338002dc 0x240effa1
+ 0xd208ae00 0xfe8c2b5c 0x9a457293 0xd9365ac4
+ 0x98f24244 0xf6d1aaea 0x7b874350 0x1ba4086b
+ 0x1d3bf168 0x2bb6f4fa 0xb27f8477 0x8da836f6
+ 0xa8762693 0xc377fa64 0x74cfd979 0x90435c25
+ 0x29d80e17 0xc3503c9c 0xaacd2178 0x232c748d
+ 0x6fecd3ba 0x00fb4aa0 0xbac3ee19 0x6e5c63e3
+ 0x17823c14 0x0e9d33bc 0x0fa9de06 0x998b14b2
+ 0xfdd8c80d 0x01b0591b 0xf70bc4ce 0xb278c496
+ 0xa7e30708 0x69cf8420 0x14f8b744 0x8bb8a0ff
+ 0x168f6db0 0x95da6db2 0xf96d121d 0x67fd06f7
+ 0xcd81d278 0x8693d095 0x15e1a24c 0xe5f554f2
+ 0x499874e8 0x30fc0785 0x0f4fa1b9 0x65c93dad
+ 0xd939bf24 0xdad29721 0xf253b752 0xf6ff59da
+ 0xc5dfaffc 0xf0071f34 0xdb0db8b0 0x24475e2d
+ 0x2a4d5b8a 0xf7624bea 0x3fdcbc90 0xb5a66e35
+ 0xd0f08636 0x24643caa 0xc5d08e83 0xb134c55c
+ 0x8e3653c7 0x34496b0c 0x6b2aeebc 0x2fbab601
+ 0x105613a2 0x7babd55d 0xa01af846 0x248be690
+ 0xed27917c 0x26ee6e13 0xa1dac5fe 0x852ed91a
+ 0xfc83fcca 0xdf479c33 0xfd6efe96 0xdc62521b
+ 0xa37d2a8c 0x1d2bad9e 0x4287614f 0xc4f7b62c
+ 0x2aab0562 0xec6d4226 0x52853fb4 0x264e3507
+ 0x1c3af366 0x33269776 0x81b8529d 0x115530dc
+ 0xe035f98f 0x433d1b6c 0x1ea6daea 0xecfd2ad2
+ 0xa57a0c22 0x1dbe3e12 0x6fafe41b 0x8e579e35
+ 0x6c493fbb 0x034dd4f9 0xd17cd6f2 0x05c5cfa8
+ 0xd9bffa39 0x0fc16e9c 0x831b88c8 0x7e7dce3e
+ 0x3320bc7f 0xd5abafaa 0x217ab526 0xade2597d
+ 0xf01b00f2 0xc9e34b72 0x00a4cb0b 0xdc198512
+ 0xdc7cc8a1 0x89db07b5 0x6c2153ea 0xb8bdb8aa
+ 0xdf8a1ae8 0xa517f6b1 0xd32569d9 0x37e79008
+ 0x3c7527c3 0x7d5b2d3b 0xb31cb907 0x35db7f6c
+ 0x0ab0cd65 0x75feaded 0x7c8260a9 0x5bc04f56
+ 0x2fac9f60 0xd7b3a2c0 0x2b393634 0xc2df7f43
+ 0x1ff2fa9f 0xc81af169 0x188b1f4e 0x08bf6f86
+ 0x5ab2f188 0x0a71eb64 0x03b57501 0xa684fc23
+ 0xa729ffef 0xe3b4a709 0xf9eb97d2 0x01506c95
+ 0x0d9285f5 0x8e1ee93c 0x7d15a0d8 0xd9390673
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+ 0xf68369a7 0x5b54409a 0x1f0b787a 0xc2610047
+ 0x0f8bd269 0xd7c8c154 0x9dee62d9 0xd4738ed8
+ 0x1a66c6b1 0x5bad5a5b 0xb110311a 0xfaec6802
+ 0x6b750f2d 0xcbf8d0e0 0x11edaf4b 0xf64a07bb
+ 0x422e7c15 0xb1732663 0x1ff404f0 0x2d5052b0
+ 0x6e45356c 0x7e2201e8 0x7c5ebcd1 0x1cb4425a
+ 0xb1539a64 0xa2e4459f 0xcf1ade8a 0xfc476473
+ 0xf4147deb 0x2afbdd77 0xff01fabc 0x6597408a
+ 0x0951220b 0x6750f3ec 0x0a242763 0xf3d71c05
+ 0x84cb1c26 0xdb7a81bd 0x7aea1a5d 0x7e719a48
+ 0xc5c12fe1 0x0ce2e988 0x29ecc6f0 0x5ede901a
+ 0xda8399b1 0x31c05d6b 0xe1956aff 0x59ed7c3d
+ 0x60832637 0x9bcb7cac 0x63c530d1 0x14c677de
+ 0x9225ed18 0x065327c9 0xd1ff6a0e 0x5516517e
+ 0x53c6f5c2 0xed5983cf 0xaa1d18b9 0xbe300d7f
+ 0xadc525a7 0x07ea81b6 0xfc517a09 0x4ead3f86
+ 0x45435f41 0x2efa58df 0x02348ebc 0x30ed6783
+ 0x190b4fb9 0x85c55d6e 0xc9ed8896 0x416ee113
+ 0x9b3536d9 0x30577cc0 0xbc4b88c8 0xcda59612
+ 0xdfe2bd89 0xd60cde71 0x98843881 0xcc1f32f2
+ 0x18b3f643 0x671a14ca 0xd6482a47 0xac6a7d38
+ 0x1897da16 0x91b6fcb3 0xf199bb35 0xd38c00ba
+ 0xa8c946b6 0x52a1ad37 0xd38ed2d4 0xa1d6f81d
+ 0x5af6865b 0xebdb858f 0xb844b110 0x53201ea2
+ 0x08870945 0x10c869de 0x19849613 0xdb35d3ed
+ 0xd68ebd6e 0x1056fd48 0xf1a0e305 0xe3982ebd
+ 0x6f7cc391 0x5956374a 0xf414a5a2 0x325119ab
+ 0x99ee1f96 0x6f044bd9 0x8374805b 0xb55c366c
+ 0xa2c77051 0x68f199e5 0xd36a9714 0x878f847b
+ 0xec0394ae 0x86d0584b 0xf4df66b9 0x451cd039
+ 0xf4de06ae 0x35dd0554 0x818a342f 0xeefdbfc9
+ 0x5b4e9edd 0x22d9313a 0x3b710d60 0x6deaeb4c
+ 0xa9e26512 0x98d31867 0x3c2c2d61 0x7eb5ce41
+ 0x40890db6 0x7a3aa660 0x3ef4f306 0x7322881f
+ 0x49dac4d5 0x96efe685 0x27bb7f49 0xbb955283
+ 0x79c5f2b7 0xff599c28 0x28ee7f5e 0x9f324b73
+ 0x45edb7cf 0x39a8b79c 0xd0919c6e 0xe149b29d
+ 0x62f5f82e 0xebcfa23e 0xd4d68937 0x54270090
+ 0x958af0d4 0xa1e4e799 0xaf68ac19 0x82a84f4e
+ 0x50f67b84 0xd5e59629 0xf5fdf24c 0xab1d63c5
+ 0x30835807 0x431fce5f 0xe5f96f4d 0x3f6b4802
+ 0x14010be8 0xdca45ae5 0xc82709af 0xff76ce2c
+ 0x8b222c22 0x73a2d948 0xa8d59cea 0x8c31849e
+ 0x469c2e5f 0x3777ee84 0x5fdfa5da 0x02ef9bb2
+ 0x792d3194 0xbed63f21 0x0b6dc5f1 0xc9d7fe08
+ 0x6df7883d 0x366566cf 0xef772769 0x37826465
+ 0x1cdc3086 0xa69ff7b6 0x235012ea 0x292f7e75
+ 0x30bdd0fd 0xffdc9df1 0x95c6d570 0xec206204
+ 0xc6cd42cb 0xc0d6dfd9 0xb7a16b71 0x17fa527e
+ 0x295f2c79 0x990f9820 0x8b8f447d 0x193f9ad1
+ 0xebddb2af 0x5dd532eb 0xf1bbd8e8 0x3444a3f4
+ 0x18ccce93 0x05edeb4f 0xc4a6b935 0xba37aab0
+ 0x96076ba4 0x250dc2f7 0xc4093548 0x030e777d
+ 0x7ea40933 0x8da7b1dd 0x59c0b79f 0x807d437c
+ 0xf5233ddf 0x54c1983f 0xfc18771b 0xe74b85f0
+ 0xdbd725b5 0x70cdd153 0x4ffe300c 0xfda4bdae
+ 0xf4ac75d2 0x91c4e15a 0x34d92b97 0x16356a79
+ >;
diff --git a/arch/x86/include/asm/arch-coreboot/gpio.h b/arch/x86/include/asm/arch-coreboot/gpio.h
index 3ec1816..4951a8c 100644
--- a/arch/x86/include/asm/arch-coreboot/gpio.h
+++ b/arch/x86/include/asm/arch-coreboot/gpio.h
@@ -7,9 +7,4 @@
#ifndef _X86_ARCH_GPIO_H_
#define _X86_ARCH_GPIO_H_
-struct ich6_bank_platdata {
- uint32_t base_addr;
- const char *bank_name;
-};
-
#endif /* _X86_ARCH_GPIO_H_ */
diff --git a/arch/x86/include/asm/arch-ivybridge/gpio.h b/arch/x86/include/asm/arch-ivybridge/gpio.h
new file mode 100644
index 0000000..4951a8c
--- /dev/null
+++ b/arch/x86/include/asm/arch-ivybridge/gpio.h
@@ -0,0 +1,10 @@
+/*
+ * Copyright (c) 2014, Google Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _X86_ARCH_GPIO_H_
+#define _X86_ARCH_GPIO_H_
+
+#endif /* _X86_ARCH_GPIO_H_ */
diff --git a/arch/x86/include/asm/arch-ivybridge/me.h b/arch/x86/include/asm/arch-ivybridge/me.h
new file mode 100644
index 0000000..3a0809d
--- /dev/null
+++ b/arch/x86/include/asm/arch-ivybridge/me.h
@@ -0,0 +1,356 @@
+/*
+ * From Coreboot src/southbridge/intel/bd82x6x/me.h
+ *
+ * Copyright (C) 2011 The Chromium OS Authors. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#ifndef _ASM_INTEL_ME_H
+#define _ASM_INTEL_ME_H
+
+#include <linux/compiler.h>
+#include <linux/types.h>
+
+#define ME_RETRY 100000 /* 1 second */
+#define ME_DELAY 10 /* 10 us */
+
+/*
+ * Management Engine PCI registers
+ */
+
+#define PCI_CPU_MEBASE_L 0x70 /* Set by MRC */
+#define PCI_CPU_MEBASE_H 0x74 /* Set by MRC */
+
+#define PCI_ME_HFS 0x40
+#define ME_HFS_CWS_RESET 0
+#define ME_HFS_CWS_INIT 1
+#define ME_HFS_CWS_REC 2
+#define ME_HFS_CWS_NORMAL 5
+#define ME_HFS_CWS_WAIT 6
+#define ME_HFS_CWS_TRANS 7
+#define ME_HFS_CWS_INVALID 8
+#define ME_HFS_STATE_PREBOOT 0
+#define ME_HFS_STATE_M0_UMA 1
+#define ME_HFS_STATE_M3 4
+#define ME_HFS_STATE_M0 5
+#define ME_HFS_STATE_BRINGUP 6
+#define ME_HFS_STATE_ERROR 7
+#define ME_HFS_ERROR_NONE 0
+#define ME_HFS_ERROR_UNCAT 1
+#define ME_HFS_ERROR_IMAGE 3
+#define ME_HFS_ERROR_DEBUG 4
+#define ME_HFS_MODE_NORMAL 0
+#define ME_HFS_MODE_DEBUG 2
+#define ME_HFS_MODE_DIS 3
+#define ME_HFS_MODE_OVER_JMPR 4
+#define ME_HFS_MODE_OVER_MEI 5
+#define ME_HFS_BIOS_DRAM_ACK 1
+#define ME_HFS_ACK_NO_DID 0
+#define ME_HFS_ACK_RESET 1
+#define ME_HFS_ACK_PWR_CYCLE 2
+#define ME_HFS_ACK_S3 3
+#define ME_HFS_ACK_S4 4
+#define ME_HFS_ACK_S5 5
+#define ME_HFS_ACK_GBL_RESET 6
+#define ME_HFS_ACK_CONTINUE 7
+
+struct me_hfs {
+ u32 working_state:4;
+ u32 mfg_mode:1;
+ u32 fpt_bad:1;
+ u32 operation_state:3;
+ u32 fw_init_complete:1;
+ u32 ft_bup_ld_flr:1;
+ u32 update_in_progress:1;
+ u32 error_code:4;
+ u32 operation_mode:4;
+ u32 reserved:4;
+ u32 boot_options_present:1;
+ u32 ack_data:3;
+ u32 bios_msg_ack:4;
+} __packed;
+
+#define PCI_ME_UMA 0x44
+
+struct me_uma {
+ u32 size:6;
+ u32 reserved_1:10;
+ u32 valid:1;
+ u32 reserved_0:14;
+ u32 set_to_one:1;
+} __packed;
+
+#define PCI_ME_H_GS 0x4c
+#define ME_INIT_DONE 1
+#define ME_INIT_STATUS_SUCCESS 0
+#define ME_INIT_STATUS_NOMEM 1
+#define ME_INIT_STATUS_ERROR 2
+
+struct me_did {
+ u32 uma_base:16;
+ u32 reserved:8;
+ u32 status:4;
+ u32 init_done:4;
+} __packed;
+
+#define PCI_ME_GMES 0x48
+#define ME_GMES_PHASE_ROM 0
+#define ME_GMES_PHASE_BUP 1
+#define ME_GMES_PHASE_UKERNEL 2
+#define ME_GMES_PHASE_POLICY 3
+#define ME_GMES_PHASE_MODULE 4
+#define ME_GMES_PHASE_UNKNOWN 5
+#define ME_GMES_PHASE_HOST 6
+
+struct me_gmes {
+ u32 bist_in_prog:1;
+ u32 icc_prog_sts:2;
+ u32 invoke_mebx:1;
+ u32 cpu_replaced_sts:1;
+ u32 mbp_rdy:1;
+ u32 mfs_failure:1;
+ u32 warm_rst_req_for_df:1;
+ u32 cpu_replaced_valid:1;
+ u32 reserved_1:2;
+ u32 fw_upd_ipu:1;
+ u32 reserved_2:4;
+ u32 current_state:8;
+ u32 current_pmevent:4;
+ u32 progress_code:4;
+} __packed;
+
+#define PCI_ME_HERES 0xbc
+#define PCI_ME_EXT_SHA1 0x00
+#define PCI_ME_EXT_SHA256 0x02
+#define PCI_ME_HER(x) (0xc0+(4*(x)))
+
+struct me_heres {
+ u32 extend_reg_algorithm:4;
+ u32 reserved:26;
+ u32 extend_feature_present:1;
+ u32 extend_reg_valid:1;
+} __packed;
+
+/*
+ * Management Engine MEI registers
+ */
+
+#define MEI_H_CB_WW 0x00
+#define MEI_H_CSR 0x04
+#define MEI_ME_CB_RW 0x08
+#define MEI_ME_CSR_HA 0x0c
+
+struct mei_csr {
+ u32 interrupt_enable:1;
+ u32 interrupt_status:1;
+ u32 interrupt_generate:1;
+ u32 ready:1;
+ u32 reset:1;
+ u32 reserved:3;
+ u32 buffer_read_ptr:8;
+ u32 buffer_write_ptr:8;
+ u32 buffer_depth:8;
+} __packed;
+
+#define MEI_ADDRESS_CORE 0x01
+#define MEI_ADDRESS_AMT 0x02
+#define MEI_ADDRESS_RESERVED 0x03
+#define MEI_ADDRESS_WDT 0x04
+#define MEI_ADDRESS_MKHI 0x07
+#define MEI_ADDRESS_ICC 0x08
+#define MEI_ADDRESS_THERMAL 0x09
+
+#define MEI_HOST_ADDRESS 0
+
+struct mei_header {
+ u32 client_address:8;
+ u32 host_address:8;
+ u32 length:9;
+ u32 reserved:6;
+ u32 is_complete:1;
+} __packed;
+
+#define MKHI_GROUP_ID_CBM 0x00
+#define MKHI_GROUP_ID_FWCAPS 0x03
+#define MKHI_GROUP_ID_MDES 0x08
+#define MKHI_GROUP_ID_GEN 0xff
+
+#define MKHI_GLOBAL_RESET 0x0b
+
+#define MKHI_FWCAPS_GET_RULE 0x02
+
+#define MKHI_MDES_ENABLE 0x09
+
+#define MKHI_GET_FW_VERSION 0x02
+#define MKHI_END_OF_POST 0x0c
+#define MKHI_FEATURE_OVERRIDE 0x14
+
+struct mkhi_header {
+ u32 group_id:8;
+ u32 command:7;
+ u32 is_response:1;
+ u32 reserved:8;
+ u32 result:8;
+} __packed;
+
+struct me_fw_version {
+ u16 code_minor;
+ u16 code_major;
+ u16 code_build_number;
+ u16 code_hot_fix;
+ u16 recovery_minor;
+ u16 recovery_major;
+ u16 recovery_build_number;
+ u16 recovery_hot_fix;
+} __packed;
+
+
+#define HECI_EOP_STATUS_SUCCESS 0x0
+#define HECI_EOP_PERFORM_GLOBAL_RESET 0x1
+
+#define CBM_RR_GLOBAL_RESET 0x01
+
+#define GLOBAL_RESET_BIOS_MRC 0x01
+#define GLOBAL_RESET_BIOS_POST 0x02
+#define GLOBAL_RESET_MEBX 0x03
+
+struct me_global_reset {
+ u8 request_origin;
+ u8 reset_type;
+} __packed;
+
+enum me_bios_path {
+ ME_NORMAL_BIOS_PATH,
+ ME_S3WAKE_BIOS_PATH,
+ ME_ERROR_BIOS_PATH,
+ ME_RECOVERY_BIOS_PATH,
+ ME_DISABLE_BIOS_PATH,
+ ME_FIRMWARE_UPDATE_BIOS_PATH,
+};
+
+struct __packed mbp_fw_version_name {
+ u32 major_version:16;
+ u32 minor_version:16;
+ u32 hotfix_version:16;
+ u32 build_version:16;
+};
+
+struct __packed mbp_icc_profile {
+ u8 num_icc_profiles;
+ u8 icc_profile_soft_strap;
+ u8 icc_profile_index;
+ u8 reserved;
+ u32 register_lock_mask[3];
+};
+
+struct __packed mefwcaps_sku {
+ u32 full_net:1;
+ u32 std_net:1;
+ u32 manageability:1;
+ u32 small_business:1;
+ u32 l3manageability:1;
+ u32 intel_at:1;
+ u32 intel_cls:1;
+ u32 reserved:3;
+ u32 intel_mpc:1;
+ u32 icc_over_clocking:1;
+ u32 pavp:1;
+ u32 reserved_1:4;
+ u32 ipv6:1;
+ u32 kvm:1;
+ u32 och:1;
+ u32 vlan:1;
+ u32 tls:1;
+ u32 reserved_4:1;
+ u32 wlan:1;
+ u32 reserved_5:8;
+};
+
+struct __packed tdt_state_flag {
+ u16 lock_state:1;
+ u16 authenticate_module:1;
+ u16 s3authentication:1;
+ u16 flash_wear_out:1;
+ u16 flash_variable_security:1;
+ u16 wwan3gpresent:1;
+ u16 wwan3goob:1;
+ u16 reserved:9;
+};
+
+struct __packed tdt_state_info {
+ u8 state;
+ u8 last_theft_trigger;
+ struct tdt_state_flag flags;
+};
+
+struct __packed platform_type_rule_data {
+ u32 platform_target_usage_type:4;
+ u32 platform_target_market_type:2;
+ u32 super_sku:1;
+ u32 reserved:1;
+ u32 intel_me_fw_image_type:4;
+ u32 platform_brand:4;
+ u32 reserved_1:16;
+};
+
+struct __packed mbp_fw_caps {
+ struct mefwcaps_sku fw_capabilities;
+ u8 available;
+};
+
+struct __packed mbp_rom_bist_data {
+ u16 device_id;
+ u16 fuse_test_flags;
+ u32 umchid[4];
+};
+
+struct __packed mbp_platform_key {
+ u32 key[8];
+};
+
+struct __packed mbp_plat_type {
+ struct platform_type_rule_data rule_data;
+ u8 available;
+};
+
+struct __packed me_bios_payload {
+ struct mbp_fw_version_name fw_version_name;
+ struct mbp_fw_caps fw_caps_sku;
+ struct mbp_rom_bist_data rom_bist_data;
+ struct mbp_platform_key platform_key;
+ struct mbp_plat_type fw_plat_type;
+ struct mbp_icc_profile icc_profile;
+ struct tdt_state_info at_state;
+ u32 mfsintegrity;
+};
+
+struct __packed mbp_header {
+ u32 mbp_size:8;
+ u32 num_entries:8;
+ u32 rsvd:16;
+};
+
+struct __packed mbp_item_header {
+ u32 app_id:8;
+ u32 item_id:8;
+ u32 length:8;
+ u32 rsvd:8;
+};
+
+struct __packed me_fwcaps {
+ u32 id;
+ u8 length;
+ struct mefwcaps_sku caps_sku;
+ u8 reserved[3];
+};
+
+/* Defined in me_status.c for both romstage and ramstage */
+void intel_me_status(struct me_hfs *hfs, struct me_gmes *gmes);
+
+void intel_early_me_status(void);
+int intel_early_me_init(void);
+int intel_early_me_uma_size(void);
+int intel_early_me_init_done(u8 status);
+
+#endif
diff --git a/arch/x86/include/asm/arch-ivybridge/microcode.h b/arch/x86/include/asm/arch-ivybridge/microcode.h
new file mode 100644
index 0000000..bc9b87c
--- /dev/null
+++ b/arch/x86/include/asm/arch-ivybridge/microcode.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2015 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __ASM_ARCH_MICROCODE_H
+#define __ASM_ARCH_MICROCODE_H
+
+/**
+ * microcode_update_intel() - Apply microcode updates
+ *
+ * Applies any microcode updates in the device tree.
+ *
+ * @return 0 if OK, -EEXIST if the updates were already applied, -ENOENT if
+ * not updates were found, -EINVAL if an update was invalid
+ */
+int microcode_update_intel(void);
+
+#endif
diff --git a/arch/x86/include/asm/arch-ivybridge/model_206ax.h b/arch/x86/include/asm/arch-ivybridge/model_206ax.h
new file mode 100644
index 0000000..8281d7a
--- /dev/null
+++ b/arch/x86/include/asm/arch-ivybridge/model_206ax.h
@@ -0,0 +1,82 @@
+/*
+ * From Coreboot file of the same name
+ *
+ * Copyright (C) 2011 The ChromiumOS Authors.
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#ifndef _ASM_ARCH_MODEL_206AX_H
+#define _ASM_ARCH_MODEL_206AX_H
+
+/* SandyBridge/IvyBridge bus clock is fixed at 100MHz */
+#define SANDYBRIDGE_BCLK 100
+
+#define CPUID_VMX (1 << 5)
+#define CPUID_SMX (1 << 6)
+#define MSR_FEATURE_CONFIG 0x13c
+#define MSR_FLEX_RATIO 0x194
+#define FLEX_RATIO_LOCK (1 << 20)
+#define FLEX_RATIO_EN (1 << 16)
+#define IA32_PLATFORM_DCA_CAP 0x1f8
+#define IA32_MISC_ENABLE 0x1a0
+#define MSR_TEMPERATURE_TARGET 0x1a2
+#define IA32_PERF_CTL 0x199
+#define IA32_THERM_INTERRUPT 0x19b
+#define IA32_ENERGY_PERFORMANCE_BIAS 0x1b0
+#define ENERGY_POLICY_PERFORMANCE 0
+#define ENERGY_POLICY_NORMAL 6
+#define ENERGY_POLICY_POWERSAVE 15
+#define IA32_PACKAGE_THERM_INTERRUPT 0x1b2
+#define MSR_LT_LOCK_MEMORY 0x2e7
+#define IA32_MC0_STATUS 0x401
+
+#define MSR_PIC_MSG_CONTROL 0x2e
+#define PLATFORM_INFO_SET_TDP (1 << 29)
+
+#define MSR_MISC_PWR_MGMT 0x1aa
+#define MISC_PWR_MGMT_EIST_HW_DIS (1 << 0)
+#define MSR_TURBO_RATIO_LIMIT 0x1ad
+#define MSR_POWER_CTL 0x1fc
+
+#define MSR_PKGC3_IRTL 0x60a
+#define MSR_PKGC6_IRTL 0x60b
+#define MSR_PKGC7_IRTL 0x60c
+#define IRTL_VALID (1 << 15)
+#define IRTL_1_NS (0 << 10)
+#define IRTL_32_NS (1 << 10)
+#define IRTL_1024_NS (2 << 10)
+#define IRTL_32768_NS (3 << 10)
+#define IRTL_1048576_NS (4 << 10)
+#define IRTL_33554432_NS (5 << 10)
+#define IRTL_RESPONSE_MASK (0x3ff)
+
+/* long duration in low dword, short duration in high dword */
+#define PKG_POWER_LIMIT_MASK 0x7fff
+#define PKG_POWER_LIMIT_EN (1 << 15)
+#define PKG_POWER_LIMIT_CLAMP (1 << 16)
+#define PKG_POWER_LIMIT_TIME_SHIFT 17
+#define PKG_POWER_LIMIT_TIME_MASK 0x7f
+
+#define MSR_PP0_CURRENT_CONFIG 0x601
+#define PP0_CURRENT_LIMIT (112 << 3) /* 112 A */
+#define MSR_PP1_CURRENT_CONFIG 0x602
+#define PP1_CURRENT_LIMIT_SNB (35 << 3) /* 35 A */
+#define PP1_CURRENT_LIMIT_IVB (50 << 3) /* 50 A */
+#define MSR_PKG_POWER_SKU_UNIT 0x606
+#define MSR_PKG_POWER_SKU 0x614
+
+#define IVB_CONFIG_TDP_MIN_CPUID 0x306a2
+#define MSR_CONFIG_TDP_NOMINAL 0x648
+#define MSR_CONFIG_TDP_LEVEL1 0x649
+#define MSR_CONFIG_TDP_LEVEL2 0x64a
+#define MSR_CONFIG_TDP_CONTROL 0x64b
+#define MSR_TURBO_ACTIVATION_RATIO 0x64c
+
+/* P-state configuration */
+#define PSS_MAX_ENTRIES 8
+#define PSS_RATIO_STEP 2
+#define PSS_LATENCY_TRANSITION 10
+#define PSS_LATENCY_BUSMASTER 10
+
+#endif
diff --git a/arch/x86/include/asm/arch-ivybridge/pch.h b/arch/x86/include/asm/arch-ivybridge/pch.h
new file mode 100644
index 0000000..c6efdb8
--- /dev/null
+++ b/arch/x86/include/asm/arch-ivybridge/pch.h
@@ -0,0 +1,356 @@
+/*
+ * Copyright (c) 2014 Google, Inc
+ *
+ * From Coreboot src/southbridge/intel/bd82x6x/pch.h
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright (C) 2012 The Chromium OS Authors. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#ifndef _ASM_ARCH_PCH_H
+#define _ASM_ARCH_PCH_H
+
+#include <pci.h>
+
+#define DEFAULT_GPIOBASE 0x0480
+#define DEFAULT_PMBASE 0x0500
+
+#define SMBUS_IO_BASE 0x0400
+
+#define PCH_EHCI1_DEV PCI_BDF(0, 0x1d, 0)
+#define PCH_EHCI2_DEV PCI_BDF(0, 0x1a, 0)
+#define PCH_XHCI_DEV PCI_BDF(0, 0x14, 0)
+#define PCH_ME_DEV PCI_BDF(0, 0x16, 0)
+#define PCH_PCIE_DEV_SLOT 28
+
+#define PCH_DEV PCI_BDF(0, 0, 0)
+#define PCH_VIDEO_DEV PCI_BDF(0, 2, 0)
+
+/* PCI Configuration Space (D31:F0): LPC */
+#define PCH_LPC_DEV PCI_BDF(0, 0x1f, 0)
+
+#define GEN_PMCON_1 0xa0
+#define GEN_PMCON_2 0xa2
+#define GEN_PMCON_3 0xa4
+#define ETR3 0xac
+#define ETR3_CWORWRE (1 << 18)
+#define ETR3_CF9GR (1 << 20)
+
+#define PMBASE 0x40
+#define ACPI_CNTL 0x44
+#define BIOS_CNTL 0xDC
+#define GPIO_BASE 0x48 /* LPC GPIO Base Address Register */
+#define GPIO_CNTL 0x4C /* LPC GPIO Control Register */
+#define GPIO_ROUT 0xb8
+
+#define LPC_IO_DEC 0x80 /* IO Decode Ranges Register */
+#define LPC_EN 0x82 /* LPC IF Enables Register */
+#define CNF2_LPC_EN (1 << 13) /* 0x4e/0x4f */
+#define CNF1_LPC_EN (1 << 12) /* 0x2e/0x2f */
+#define MC_LPC_EN (1 << 11) /* 0x62/0x66 */
+#define KBC_LPC_EN (1 << 10) /* 0x60/0x64 */
+#define GAMEH_LPC_EN (1 << 9) /* 0x208/0x20f */
+#define GAMEL_LPC_EN (1 << 8) /* 0x200/0x207 */
+#define FDD_LPC_EN (1 << 3) /* LPC_IO_DEC[12] */
+#define LPT_LPC_EN (1 << 2) /* LPC_IO_DEC[9:8] */
+#define COMB_LPC_EN (1 << 1) /* LPC_IO_DEC[6:4] */
+#define COMA_LPC_EN (1 << 0) /* LPC_IO_DEC[3:2] */
+#define LPC_GEN1_DEC 0x84 /* LPC IF Generic Decode Range 1 */
+#define LPC_GEN2_DEC 0x88 /* LPC IF Generic Decode Range 2 */
+#define LPC_GEN3_DEC 0x8c /* LPC IF Generic Decode Range 3 */
+#define LPC_GEN4_DEC 0x90 /* LPC IF Generic Decode Range 4 */
+#define LPC_GENX_DEC(x) (0x84 + 4 * (x))
+
+/* PCI Configuration Space (D31:F3): SMBus */
+#define PCH_SMBUS_DEV PCI_BDF(0, 0x1f, 3)
+#define SMB_BASE 0x20
+#define HOSTC 0x40
+#define SMB_RCV_SLVA 0x09
+
+/* HOSTC bits */
+#define I2C_EN (1 << 2)
+#define SMB_SMI_EN (1 << 1)
+#define HST_EN (1 << 0)
+
+/* SMBus I/O bits. */
+#define SMBHSTSTAT 0x0
+#define SMBHSTCTL 0x2
+#define SMBHSTCMD 0x3
+#define SMBXMITADD 0x4
+#define SMBHSTDAT0 0x5
+#define SMBHSTDAT1 0x6
+#define SMBBLKDAT 0x7
+#define SMBTRNSADD 0x9
+#define SMBSLVDATA 0xa
+#define SMLINK_PIN_CTL 0xe
+#define SMBUS_PIN_CTL 0xf
+
+#define SMBUS_TIMEOUT (10 * 1000 * 100)
+
+
+/* Root Complex Register Block */
+#define DEFAULT_RCBA 0xfed1c000
+#define RCB_REG(reg) (DEFAULT_RCBA + (reg))
+
+#define PCH_RCBA_BASE 0xf0
+
+#define VCH 0x0000 /* 32bit */
+#define VCAP1 0x0004 /* 32bit */
+#define VCAP2 0x0008 /* 32bit */
+#define PVC 0x000c /* 16bit */
+#define PVS 0x000e /* 16bit */
+
+#define V0CAP 0x0010 /* 32bit */
+#define V0CTL 0x0014 /* 32bit */
+#define V0STS 0x001a /* 16bit */
+
+#define V1CAP 0x001c /* 32bit */
+#define V1CTL 0x0020 /* 32bit */
+#define V1STS 0x0026 /* 16bit */
+
+#define RCTCL 0x0100 /* 32bit */
+#define ESD 0x0104 /* 32bit */
+#define ULD 0x0110 /* 32bit */
+#define ULBA 0x0118 /* 64bit */
+
+#define RP1D 0x0120 /* 32bit */
+#define RP1BA 0x0128 /* 64bit */
+#define RP2D 0x0130 /* 32bit */
+#define RP2BA 0x0138 /* 64bit */
+#define RP3D 0x0140 /* 32bit */
+#define RP3BA 0x0148 /* 64bit */
+#define RP4D 0x0150 /* 32bit */
+#define RP4BA 0x0158 /* 64bit */
+#define HDD 0x0160 /* 32bit */
+#define HDBA 0x0168 /* 64bit */
+#define RP5D 0x0170 /* 32bit */
+#define RP5BA 0x0178 /* 64bit */
+#define RP6D 0x0180 /* 32bit */
+#define RP6BA 0x0188 /* 64bit */
+
+#define RPC 0x0400 /* 32bit */
+#define RPFN 0x0404 /* 32bit */
+
+#define TRSR 0x1e00 /* 8bit */
+#define TRCR 0x1e10 /* 64bit */
+#define TWDR 0x1e18 /* 64bit */
+
+#define IOTR0 0x1e80 /* 64bit */
+#define IOTR1 0x1e88 /* 64bit */
+#define IOTR2 0x1e90 /* 64bit */
+#define IOTR3 0x1e98 /* 64bit */
+
+#define TCTL 0x3000 /* 8bit */
+
+#define NOINT 0
+#define INTA 1
+#define INTB 2
+#define INTC 3
+#define INTD 4
+
+#define DIR_IDR 12 /* Interrupt D Pin Offset */
+#define DIR_ICR 8 /* Interrupt C Pin Offset */
+#define DIR_IBR 4 /* Interrupt B Pin Offset */
+#define DIR_IAR 0 /* Interrupt A Pin Offset */
+
+#define PIRQA 0
+#define PIRQB 1
+#define PIRQC 2
+#define PIRQD 3
+#define PIRQE 4
+#define PIRQF 5
+#define PIRQG 6
+#define PIRQH 7
+
+/* IO Buffer Programming */
+#define IOBPIRI 0x2330
+#define IOBPD 0x2334
+#define IOBPS 0x2338
+#define IOBPS_RW_BX ((1 << 9)|(1 << 10))
+#define IOBPS_WRITE_AX ((1 << 9)|(1 << 10))
+#define IOBPS_READ_AX ((1 << 8)|(1 << 9)|(1 << 10))
+
+#define D31IP 0x3100 /* 32bit */
+#define D31IP_TTIP 24 /* Thermal Throttle Pin */
+#define D31IP_SIP2 20 /* SATA Pin 2 */
+#define D31IP_SMIP 12 /* SMBUS Pin */
+#define D31IP_SIP 8 /* SATA Pin */
+#define D30IP 0x3104 /* 32bit */
+#define D30IP_PIP 0 /* PCI Bridge Pin */
+#define D29IP 0x3108 /* 32bit */
+#define D29IP_E1P 0 /* EHCI #1 Pin */
+#define D28IP 0x310c /* 32bit */
+#define D28IP_P8IP 28 /* PCI Express Port 8 */
+#define D28IP_P7IP 24 /* PCI Express Port 7 */
+#define D28IP_P6IP 20 /* PCI Express Port 6 */
+#define D28IP_P5IP 16 /* PCI Express Port 5 */
+#define D28IP_P4IP 12 /* PCI Express Port 4 */
+#define D28IP_P3IP 8 /* PCI Express Port 3 */
+#define D28IP_P2IP 4 /* PCI Express Port 2 */
+#define D28IP_P1IP 0 /* PCI Express Port 1 */
+#define D27IP 0x3110 /* 32bit */
+#define D27IP_ZIP 0 /* HD Audio Pin */
+#define D26IP 0x3114 /* 32bit */
+#define D26IP_E2P 0 /* EHCI #2 Pin */
+#define D25IP 0x3118 /* 32bit */
+#define D25IP_LIP 0 /* GbE LAN Pin */
+#define D22IP 0x3124 /* 32bit */
+#define D22IP_KTIP 12 /* KT Pin */
+#define D22IP_IDERIP 8 /* IDE-R Pin */
+#define D22IP_MEI2IP 4 /* MEI #2 Pin */
+#define D22IP_MEI1IP 0 /* MEI #1 Pin */
+#define D20IP 0x3128 /* 32bit */
+#define D20IP_XHCIIP 0
+#define D31IR 0x3140 /* 16bit */
+#define D30IR 0x3142 /* 16bit */
+#define D29IR 0x3144 /* 16bit */
+#define D28IR 0x3146 /* 16bit */
+#define D27IR 0x3148 /* 16bit */
+#define D26IR 0x314c /* 16bit */
+#define D25IR 0x3150 /* 16bit */
+#define D22IR 0x315c /* 16bit */
+#define D20IR 0x3160 /* 16bit */
+#define OIC 0x31fe /* 16bit */
+
+#define SPI_FREQ_SWSEQ 0x3893
+#define SPI_DESC_COMP0 0x38b0
+#define SPI_FREQ_WR_ERA 0x38b4
+#define SOFT_RESET_CTRL 0x38f4
+#define SOFT_RESET_DATA 0x38f8
+
+#define DIR_ROUTE(a, b, c, d) \
+ (((d) << DIR_IDR) | ((c) << DIR_ICR) | \
+ ((b) << DIR_IBR) | ((a) << DIR_IAR))
+
+#define RC 0x3400 /* 32bit */
+#define HPTC 0x3404 /* 32bit */
+#define GCS 0x3410 /* 32bit */
+#define BUC 0x3414 /* 32bit */
+#define PCH_DISABLE_GBE (1 << 5)
+#define FD 0x3418 /* 32bit */
+#define DISPBDF 0x3424 /* 16bit */
+#define FD2 0x3428 /* 32bit */
+#define CG 0x341c /* 32bit */
+
+/* Function Disable 1 RCBA 0x3418 */
+#define PCH_DISABLE_ALWAYS ((1 << 0)|(1 << 26))
+#define PCH_DISABLE_P2P (1 << 1)
+#define PCH_DISABLE_SATA1 (1 << 2)
+#define PCH_DISABLE_SMBUS (1 << 3)
+#define PCH_DISABLE_HD_AUDIO (1 << 4)
+#define PCH_DISABLE_EHCI2 (1 << 13)
+#define PCH_DISABLE_LPC (1 << 14)
+#define PCH_DISABLE_EHCI1 (1 << 15)
+#define PCH_DISABLE_PCIE(x) (1 << (16 + x))
+#define PCH_DISABLE_THERMAL (1 << 24)
+#define PCH_DISABLE_SATA2 (1 << 25)
+#define PCH_DISABLE_XHCI (1 << 27)
+
+/* Function Disable 2 RCBA 0x3428 */
+#define PCH_DISABLE_KT (1 << 4)
+#define PCH_DISABLE_IDER (1 << 3)
+#define PCH_DISABLE_MEI2 (1 << 2)
+#define PCH_DISABLE_MEI1 (1 << 1)
+#define PCH_ENABLE_DBDF (1 << 0)
+
+/* ICH7 GPIOBASE */
+#define GPIO_USE_SEL 0x00
+#define GP_IO_SEL 0x04
+#define GP_LVL 0x0c
+#define GPO_BLINK 0x18
+#define GPI_INV 0x2c
+#define GPIO_USE_SEL2 0x30
+#define GP_IO_SEL2 0x34
+#define GP_LVL2 0x38
+#define GPIO_USE_SEL3 0x40
+#define GP_IO_SEL3 0x44
+#define GP_LVL3 0x48
+#define GP_RST_SEL1 0x60
+#define GP_RST_SEL2 0x64
+#define GP_RST_SEL3 0x68
+
+/* ICH7 PMBASE */
+#define PM1_STS 0x00
+#define WAK_STS (1 << 15)
+#define PCIEXPWAK_STS (1 << 14)
+#define PRBTNOR_STS (1 << 11)
+#define RTC_STS (1 << 10)
+#define PWRBTN_STS (1 << 8)
+#define GBL_STS (1 << 5)
+#define BM_STS (1 << 4)
+#define TMROF_STS (1 << 0)
+#define PM1_EN 0x02
+#define PCIEXPWAK_DIS (1 << 14)
+#define RTC_EN (1 << 10)
+#define PWRBTN_EN (1 << 8)
+#define GBL_EN (1 << 5)
+#define TMROF_EN (1 << 0)
+#define PM1_CNT 0x04
+#define SLP_EN (1 << 13)
+#define SLP_TYP (7 << 10)
+#define SLP_TYP_S0 0
+#define SLP_TYP_S1 1
+#define SLP_TYP_S3 5
+#define SLP_TYP_S4 6
+#define SLP_TYP_S5 7
+#define GBL_RLS (1 << 2)
+#define BM_RLD (1 << 1)
+#define SCI_EN (1 << 0)
+#define PM1_TMR 0x08
+#define PROC_CNT 0x10
+#define LV2 0x14
+#define LV3 0x15
+#define LV4 0x16
+#define PM2_CNT 0x50 /* mobile only */
+#define GPE0_STS 0x20
+#define PME_B0_STS (1 << 13)
+#define PME_STS (1 << 11)
+#define BATLOW_STS (1 << 10)
+#define PCI_EXP_STS (1 << 9)
+#define RI_STS (1 << 8)
+#define SMB_WAK_STS (1 << 7)
+#define TCOSCI_STS (1 << 6)
+#define SWGPE_STS (1 << 2)
+#define HOT_PLUG_STS (1 << 1)
+#define GPE0_EN 0x28
+#define PME_B0_EN (1 << 13)
+#define PME_EN (1 << 11)
+#define TCOSCI_EN (1 << 6)
+#define SMI_EN 0x30
+#define INTEL_USB2_EN (1 << 18) /* Intel-Specific USB2 SMI logic */
+#define LEGACY_USB2_EN (1 << 17) /* Legacy USB2 SMI logic */
+#define PERIODIC_EN (1 << 14) /* SMI on PERIODIC_STS in SMI_STS */
+#define TCO_EN (1 << 13) /* Enable TCO Logic (BIOSWE et al) */
+#define MCSMI_EN (1 << 11) /* Trap microcontroller range access */
+#define BIOS_RLS (1 << 7) /* asserts SCI on bit set */
+#define SWSMI_TMR_EN (1 << 6) /* start software smi timer on bit set */
+#define APMC_EN (1 << 5) /* Writes to APM_CNT cause SMI# */
+#define SLP_SMI_EN (1 << 4) /* Write SLP_EN in PM1_CNT asserts SMI# */
+#define LEGACY_USB_EN (1 << 3) /* Legacy USB circuit SMI logic */
+#define BIOS_EN (1 << 2) /* Assert SMI# on setting GBL_RLS bit */
+#define EOS (1 << 1) /* End of SMI (deassert SMI#) */
+#define GBL_SMI_EN (1 << 0) /* SMI# generation at all? */
+#define SMI_STS 0x34
+#define ALT_GP_SMI_EN 0x38
+#define ALT_GP_SMI_STS 0x3a
+#define GPE_CNTL 0x42
+#define DEVACT_STS 0x44
+#define SS_CNT 0x50
+#define C3_RES 0x54
+#define TCO1_STS 0x64
+#define DMISCI_STS (1 << 9)
+#define TCO2_STS 0x66
+
+/**
+ * lpc_early_init() - set up LPC serial ports and other early things
+ *
+ * @blob: Device tree blob
+ * @node: Offset of LPC node
+ * @dev: PCH PCI device containing the LPC
+ * @return 0 if OK, -ve on error
+ */
+int lpc_early_init(const void *blob, int node, pci_dev_t dev);
+
+#endif
diff --git a/arch/x86/include/asm/arch-ivybridge/pei_data.h b/arch/x86/include/asm/arch-ivybridge/pei_data.h
new file mode 100644
index 0000000..5026c8b
--- /dev/null
+++ b/arch/x86/include/asm/arch-ivybridge/pei_data.h
@@ -0,0 +1,121 @@
+/*
+ * Copyright (c) 2011, Google Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#ifndef ASM_ARCH_PEI_DATA_H
+#define ASM_ARCH_PEI_DATA_H
+
+struct pch_usb3_controller_settings {
+ /* 0: Disable, 1: Enable, 2: Auto, 3: Smart Auto */
+ uint16_t mode;
+ /* 4 bit mask, 1: switchable, 0: not switchable */
+ uint16_t hs_port_switch_mask;
+ /* 0: No xHCI preOS driver, 1: xHCI preOS driver */
+ uint16_t preboot_support;
+ /* 0: Disable, 1: Enable */
+ uint16_t xhci_streams;
+};
+
+typedef asmlinkage void (*tx_byte_func)(unsigned char byte);
+
+#define PEI_VERSION 6
+
+struct __packed pei_data {
+ uint32_t pei_version;
+ uint32_t mchbar;
+ uint32_t dmibar;
+ uint32_t epbar;
+ uint32_t pciexbar;
+ uint16_t smbusbar;
+ uint32_t wdbbar;
+ uint32_t wdbsize;
+ uint32_t hpet_address;
+ uint32_t rcba;
+ uint32_t pmbase;
+ uint32_t gpiobase;
+ uint32_t thermalbase;
+ uint32_t system_type; /* 0 Mobile, 1 Desktop/Server */
+ uint32_t tseg_size;
+ uint8_t spd_addresses[4];
+ uint8_t ts_addresses[4];
+ int boot_mode;
+ int ec_present;
+ int gbe_enable;
+ /*
+ * 0 = leave channel enabled
+ * 1 = disable dimm 0 on channel
+ * 2 = disable dimm 1 on channel
+ * 3 = disable dimm 0+1 on channel
+ */
+ int dimm_channel0_disabled;
+ int dimm_channel1_disabled;
+ /* Seed values saved in CMOS */
+ uint32_t scrambler_seed;
+ uint32_t scrambler_seed_s3;
+ /* Data read from flash and passed into MRC */
+ unsigned char *mrc_input;
+ unsigned int mrc_input_len;
+ /* Data from MRC that should be saved to flash */
+ unsigned char *mrc_output;
+ unsigned int mrc_output_len;
+ /*
+ * Max frequency DDR3 could be ran at. Could be one of four values:
+ * 800, 1067, 1333, 1600
+ */
+ uint32_t max_ddr3_freq;
+ /*
+ * USB Port Configuration:
+ * [0] = enable
+ * [1] = overcurrent pin
+ * [2] = length
+ *
+ * Ports 0-7 can be mapped to OC0-OC3
+ * Ports 8-13 can be mapped to OC4-OC7
+ *
+ * Port Length
+ * MOBILE:
+ * < 0x050 = Setting 1 (back panel, 1-5in, lowest tx amplitude)
+ * < 0x140 = Setting 2 (back panel, 5-14in, highest tx amplitude)
+ * DESKTOP:
+ * < 0x080 = Setting 1 (front/back panel, <8in, lowest tx amplitude)
+ * < 0x130 = Setting 2 (back panel, 8-13in, higher tx amplitude)
+ * < 0x150 = Setting 3 (back panel, 13-15in, higest tx amplitude)
+ */
+ uint16_t usb_port_config[16][3];
+ /* See the usb3 struct above for details */
+ struct pch_usb3_controller_settings usb3;
+ /*
+ * SPD data array for onboard RAM. Specify address 0xf0,
+ * 0xf1, 0xf2, 0xf3 to index one of the 4 slots in
+ * spd_address for a given "DIMM".
+ */
+ uint8_t spd_data[4][256];
+ tx_byte_func tx_byte;
+ int ddr3lv_support;
+ /*
+ * pcie_init needs to be set to 1 to have the system agent initialise
+ * PCIe. Note: This should only be required if your system has Gen3
+ * devices and it will increase your boot time by at least 100ms.
+ */
+ int pcie_init;
+ /*
+ * N mode functionality. Leave this setting at 0.
+ * 0 Auto
+ * 1 1N
+ * 2 2N
+ */
+ int nmode;
+ /*
+ * DDR refresh rate config. JEDEC Standard No.21-C Annex K allows
+ * for DIMM SPD data to specify whether double-rate is required for
+ * extended operating temperature range.
+ * 0 Enable double rate based upon temperature thresholds
+ * 1 Normal rate
+ * 2 Always enable double rate
+ */
+ int ddr_refresh_rate_config;
+};
+
+#endif
diff --git a/arch/x86/include/asm/arch-ivybridge/sandybridge.h b/arch/x86/include/asm/arch-ivybridge/sandybridge.h
new file mode 100644
index 0000000..114ee19
--- /dev/null
+++ b/arch/x86/include/asm/arch-ivybridge/sandybridge.h
@@ -0,0 +1,109 @@
+/*
+ * Copyright (c) 2014 Google, Inc
+ *
+ * From Coreboot file of the same name
+ *
+ * Copyright (C) 2007-2008 coresystems GmbH
+ * Copyright (C) 2011 Google Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#ifndef _ACH_ASM_SANDYBRIDGE_H
+#define _ACH_ASM_SANDYBRIDGE_H
+
+/* Chipset types */
+#define SANDYBRIDGE_MOBILE 0
+#define SANDYBRIDGE_DESKTOP 1
+#define SANDYBRIDGE_SERVER 2
+
+/* Device ID for SandyBridge and IvyBridge */
+#define BASE_REV_SNB 0x00
+#define BASE_REV_IVB 0x50
+#define BASE_REV_MASK 0x50
+
+/* SandyBridge CPU stepping */
+#define SNB_STEP_D0 (BASE_REV_SNB + 5) /* Also J0 */
+#define SNB_STEP_D1 (BASE_REV_SNB + 6)
+#define SNB_STEP_D2 (BASE_REV_SNB + 7) /* Also J1/Q0 */
+
+/* IvyBridge CPU stepping */
+#define IVB_STEP_A0 (BASE_REV_IVB + 0)
+#define IVB_STEP_B0 (BASE_REV_IVB + 2)
+#define IVB_STEP_C0 (BASE_REV_IVB + 4)
+#define IVB_STEP_K0 (BASE_REV_IVB + 5)
+#define IVB_STEP_D0 (BASE_REV_IVB + 6)
+
+/* Intel Enhanced Debug region must be 4MB */
+#define IED_SIZE 0x400000
+
+/* Northbridge BARs */
+#define DEFAULT_MCHBAR 0xfed10000 /* 16 KB */
+#define DEFAULT_DMIBAR 0xfed18000 /* 4 KB */
+#define DEFAULT_EPBAR 0xfed19000 /* 4 KB */
+#define DEFAULT_RCBABASE 0xfed1c000
+/* 4 KB per PCIe device */
+#define DEFAULT_PCIEXBAR CONFIG_MMCONF_BASE_ADDRESS
+
+/* Device 0:0.0 PCI configuration space (Host Bridge) */
+#define EPBAR 0x40
+#define MCHBAR 0x48
+#define PCIEXBAR 0x60
+#define DMIBAR 0x68
+#define X60BAR 0x60
+
+#define GGC 0x50 /* GMCH Graphics Control */
+
+#define DEVEN 0x54 /* Device Enable */
+#define DEVEN_PEG60 (1 << 13)
+#define DEVEN_IGD (1 << 4)
+#define DEVEN_PEG10 (1 << 3)
+#define DEVEN_PEG11 (1 << 2)
+#define DEVEN_PEG12 (1 << 1)
+#define DEVEN_HOST (1 << 0)
+
+#define PAM0 0x80
+#define PAM1 0x81
+#define PAM2 0x82
+#define PAM3 0x83
+#define PAM4 0x84
+#define PAM5 0x85
+#define PAM6 0x86
+
+#define LAC 0x87 /* Legacy Access Control */
+#define SMRAM 0x88 /* System Management RAM Control */
+#define D_OPEN (1 << 6)
+#define D_CLS (1 << 5)
+#define D_LCK (1 << 4)
+#define G_SMRAME (1 << 3)
+#define C_BASE_SEG ((0 << 2) | (1 << 1) | (0 << 0))
+
+#define TOM 0xa0
+#define TOUUD 0xa8 /* Top of Upper Usable DRAM */
+#define TSEG 0xb8 /* TSEG base */
+#define TOLUD 0xbc /* Top of Low Used Memory */
+
+#define SKPAD 0xdc /* Scratchpad Data */
+
+/* Device 0:1.0 PCI configuration space (PCI Express) */
+#define BCTRL1 0x3e /* 16bit */
+
+/* Device 0:2.0 PCI configuration space (Graphics Device) */
+
+#define MSAC 0x62 /* Multi Size Aperture Control */
+#define SWSCI 0xe8 /* SWSCI enable */
+#define ASLS 0xfc /* OpRegion Base */
+
+/*
+ * MCHBAR
+ */
+#define MCHBAR_REG(reg) (DEFAULT_RCBA + (reg))
+
+#define SSKPD 0x5d14 /* 16bit (scratchpad) */
+#define BIOS_RESET_CPL 0x5da8 /* 8bit */
+
+void report_platform_info(void);
+
+void sandybridge_early_init(int chipset_type);
+
+#endif
diff --git a/arch/x86/include/asm/config.h b/arch/x86/include/asm/config.h
index ff15828..c97d988 100644
--- a/arch/x86/include/asm/config.h
+++ b/arch/x86/include/asm/config.h
@@ -10,5 +10,6 @@
#define CONFIG_SYS_GENERIC_BOARD
#define CONFIG_LMB
#define CONFIG_SYS_BOOT_RAMDISK_HIGH
+#define asmlinkage __attribute__((regparm(0)))
#endif
diff --git a/arch/x86/include/asm/cpu.h b/arch/x86/include/asm/cpu.h
index 6c6774a..c839291 100644
--- a/arch/x86/include/asm/cpu.h
+++ b/arch/x86/include/asm/cpu.h
@@ -1,16 +1,160 @@
/*
* Copyright (c) 2014 The Chromium OS Authors.
*
+ * Part of this file is adapted from coreboot
+ * src/arch/x86/include/arch/cpu.h and
+ * src/arch/x86/lib/cpu.c
+ *
* SPDX-License-Identifier: GPL-2.0+
*/
-#ifndef __X86_CPU_H
-#define __X86_CPU_H
+#ifndef _ASM_CPU_H
+#define _ASM_CPU_H
+
+enum {
+ X86_VENDOR_INVALID = 0,
+ X86_VENDOR_INTEL,
+ X86_VENDOR_CYRIX,
+ X86_VENDOR_AMD,
+ X86_VENDOR_UMC,
+ X86_VENDOR_NEXGEN,
+ X86_VENDOR_CENTAUR,
+ X86_VENDOR_RISE,
+ X86_VENDOR_TRANSMETA,
+ X86_VENDOR_NSC,
+ X86_VENDOR_SIS,
+ X86_VENDOR_ANY = 0xfe,
+ X86_VENDOR_UNKNOWN = 0xff
+};
+
+struct cpuid_result {
+ uint32_t eax;
+ uint32_t ebx;
+ uint32_t ecx;
+ uint32_t edx;
+};
+
+/*
+ * Generic CPUID function
+ */
+static inline struct cpuid_result cpuid(int op)
+{
+ struct cpuid_result result;
+ asm volatile(
+ "mov %%ebx, %%edi;"
+ "cpuid;"
+ "mov %%ebx, %%esi;"
+ "mov %%edi, %%ebx;"
+ : "=a" (result.eax),
+ "=S" (result.ebx),
+ "=c" (result.ecx),
+ "=d" (result.edx)
+ : "0" (op)
+ : "edi");
+ return result;
+}
+
+/*
+ * Generic Extended CPUID function
+ */
+static inline struct cpuid_result cpuid_ext(int op, unsigned ecx)
+{
+ struct cpuid_result result;
+ asm volatile(
+ "mov %%ebx, %%edi;"
+ "cpuid;"
+ "mov %%ebx, %%esi;"
+ "mov %%edi, %%ebx;"
+ : "=a" (result.eax),
+ "=S" (result.ebx),
+ "=c" (result.ecx),
+ "=d" (result.edx)
+ : "0" (op), "2" (ecx)
+ : "edi");
+ return result;
+}
+
+/*
+ * CPUID functions returning a single datum
+ */
+static inline unsigned int cpuid_eax(unsigned int op)
+{
+ unsigned int eax;
+
+ __asm__("mov %%ebx, %%edi;"
+ "cpuid;"
+ "mov %%edi, %%ebx;"
+ : "=a" (eax)
+ : "0" (op)
+ : "ecx", "edx", "edi");
+ return eax;
+}
+
+static inline unsigned int cpuid_ebx(unsigned int op)
+{
+ unsigned int eax, ebx;
+
+ __asm__("mov %%ebx, %%edi;"
+ "cpuid;"
+ "mov %%ebx, %%esi;"
+ "mov %%edi, %%ebx;"
+ : "=a" (eax), "=S" (ebx)
+ : "0" (op)
+ : "ecx", "edx", "edi");
+ return ebx;
+}
+
+static inline unsigned int cpuid_ecx(unsigned int op)
+{
+ unsigned int eax, ecx;
- /**
+ __asm__("mov %%ebx, %%edi;"
+ "cpuid;"
+ "mov %%edi, %%ebx;"
+ : "=a" (eax), "=c" (ecx)
+ : "0" (op)
+ : "edx", "edi");
+ return ecx;
+}
+
+static inline unsigned int cpuid_edx(unsigned int op)
+{
+ unsigned int eax, edx;
+
+ __asm__("mov %%ebx, %%edi;"
+ "cpuid;"
+ "mov %%edi, %%ebx;"
+ : "=a" (eax), "=d" (edx)
+ : "0" (op)
+ : "ecx", "edi");
+ return edx;
+}
+
+/* Standard macro to see if a specific flag is changeable */
+static inline int flag_is_changeable_p(uint32_t flag)
+{
+ uint32_t f1, f2;
+
+ asm(
+ "pushfl\n\t"
+ "pushfl\n\t"
+ "popl %0\n\t"
+ "movl %0,%1\n\t"
+ "xorl %2,%0\n\t"
+ "pushl %0\n\t"
+ "popfl\n\t"
+ "pushfl\n\t"
+ "popl %0\n\t"
+ "popfl\n\t"
+ : "=&r" (f1), "=&r" (f2)
+ : "ir" (flag));
+ return ((f1^f2) & flag) != 0;
+}
+
+/**
* cpu_enable_paging_pae() - Enable PAE-paging
*
- * @pdpt: Value to set in cr3 (PDPT or PML4T)
+ * @cr3: Value to set in cr3 (PDPT or PML4T)
*/
void cpu_enable_paging_pae(ulong cr3);
@@ -27,6 +171,27 @@ void cpu_disable_paging_pae(void);
int cpu_has_64bit(void);
/**
+ * cpu_vendor_name() - Get CPU vendor name
+ *
+ * @vendor: CPU vendor enumeration number
+ *
+ * @return: Address to hold the CPU vendor name string
+ */
+const char *cpu_vendor_name(int vendor);
+
+#define CPU_MAX_NAME_LEN 49
+
+/**
+ * cpu_get_name() - Get the name of the current cpu
+ *
+ * @name: Place to put name, which must be CPU_MAX_NAME_LEN bytes including
+ * @return pointer to name, which will likely be a few bytes after the start
+ * of @name
+ * \0 terminator
+ */
+char *cpu_get_name(char *name);
+
+/**
* cpu_call64() - Jump to a 64-bit Linux kernel (internal function)
*
* The kernel is uncompressed and the 64-bit entry point is expected to be
diff --git a/arch/x86/include/asm/global_data.h b/arch/x86/include/asm/global_data.h
index 3e8e2cd..48bbd1a 100644
--- a/arch/x86/include/asm/global_data.h
+++ b/arch/x86/include/asm/global_data.h
@@ -10,13 +10,43 @@
#ifndef __ASSEMBLY__
+enum pei_boot_mode_t {
+ PEI_BOOT_NONE = 0,
+ PEI_BOOT_SOFT_RESET,
+ PEI_BOOT_RESUME,
+
+};
+
+struct memory_area {
+ uint64_t start;
+ uint64_t size;
+};
+
+struct memory_info {
+ int num_areas;
+ uint64_t total_memory;
+ uint64_t total_32bit_memory;
+ struct memory_area area[CONFIG_NR_DRAM_BANKS];
+};
+
/* Architecture-specific global data */
struct arch_global_data {
struct global_data *gd_addr; /* Location of Global Data */
+ uint8_t x86; /* CPU family */
+ uint8_t x86_vendor; /* CPU vendor */
+ uint8_t x86_model;
+ uint8_t x86_mask;
+ uint32_t x86_device;
uint64_t tsc_base; /* Initial value returned by rdtsc() */
uint32_t tsc_base_kclocks; /* Initial tsc as a kclocks value */
uint32_t tsc_prev; /* For show_boot_progress() */
+ uint32_t tsc_mhz; /* TSC frequency in MHz */
void *new_fdt; /* Relocated FDT */
+ uint32_t bist; /* Built-in self test value */
+ struct pci_controller *hose; /* PCI hose for early use */
+ enum pei_boot_mode_t pei_boot_mode;
+ const struct pch_gpio_map *gpio_map; /* board GPIO map */
+ struct memory_info meminfo; /* Memory information */
};
#endif
diff --git a/arch/x86/include/asm/gpio.h b/arch/x86/include/asm/gpio.h
index 8bda414..5540d42 100644
--- a/arch/x86/include/asm/gpio.h
+++ b/arch/x86/include/asm/gpio.h
@@ -1,12 +1,152 @@
/*
* Copyright (c) 2012, Google Inc. All rights reserved.
- * SPDX-License-Identifier: GPL-2.0+
+ * SPDX-License-Identifier: GPL-2.0
*/
#ifndef _X86_GPIO_H_
#define _X86_GPIO_H_
+#include <linux/compiler.h>
#include <asm/arch/gpio.h>
#include <asm-generic/gpio.h>
+struct ich6_bank_platdata {
+ uint32_t base_addr;
+ const char *bank_name;
+};
+
+#define GPIO_MODE_NATIVE 0
+#define GPIO_MODE_GPIO 1
+#define GPIO_MODE_NONE 1
+
+#define GPIO_DIR_OUTPUT 0
+#define GPIO_DIR_INPUT 1
+
+#define GPIO_NO_INVERT 0
+#define GPIO_INVERT 1
+
+#define GPIO_LEVEL_LOW 0
+#define GPIO_LEVEL_HIGH 1
+
+#define GPIO_NO_BLINK 0
+#define GPIO_BLINK 1
+
+#define GPIO_RESET_PWROK 0
+#define GPIO_RESET_RSMRST 1
+
+struct pch_gpio_set1 {
+ u32 gpio0:1;
+ u32 gpio1:1;
+ u32 gpio2:1;
+ u32 gpio3:1;
+ u32 gpio4:1;
+ u32 gpio5:1;
+ u32 gpio6:1;
+ u32 gpio7:1;
+ u32 gpio8:1;
+ u32 gpio9:1;
+ u32 gpio10:1;
+ u32 gpio11:1;
+ u32 gpio12:1;
+ u32 gpio13:1;
+ u32 gpio14:1;
+ u32 gpio15:1;
+ u32 gpio16:1;
+ u32 gpio17:1;
+ u32 gpio18:1;
+ u32 gpio19:1;
+ u32 gpio20:1;
+ u32 gpio21:1;
+ u32 gpio22:1;
+ u32 gpio23:1;
+ u32 gpio24:1;
+ u32 gpio25:1;
+ u32 gpio26:1;
+ u32 gpio27:1;
+ u32 gpio28:1;
+ u32 gpio29:1;
+ u32 gpio30:1;
+ u32 gpio31:1;
+} __packed;
+
+struct pch_gpio_set2 {
+ u32 gpio32:1;
+ u32 gpio33:1;
+ u32 gpio34:1;
+ u32 gpio35:1;
+ u32 gpio36:1;
+ u32 gpio37:1;
+ u32 gpio38:1;
+ u32 gpio39:1;
+ u32 gpio40:1;
+ u32 gpio41:1;
+ u32 gpio42:1;
+ u32 gpio43:1;
+ u32 gpio44:1;
+ u32 gpio45:1;
+ u32 gpio46:1;
+ u32 gpio47:1;
+ u32 gpio48:1;
+ u32 gpio49:1;
+ u32 gpio50:1;
+ u32 gpio51:1;
+ u32 gpio52:1;
+ u32 gpio53:1;
+ u32 gpio54:1;
+ u32 gpio55:1;
+ u32 gpio56:1;
+ u32 gpio57:1;
+ u32 gpio58:1;
+ u32 gpio59:1;
+ u32 gpio60:1;
+ u32 gpio61:1;
+ u32 gpio62:1;
+ u32 gpio63:1;
+} __packed;
+
+struct pch_gpio_set3 {
+ u32 gpio64:1;
+ u32 gpio65:1;
+ u32 gpio66:1;
+ u32 gpio67:1;
+ u32 gpio68:1;
+ u32 gpio69:1;
+ u32 gpio70:1;
+ u32 gpio71:1;
+ u32 gpio72:1;
+ u32 gpio73:1;
+ u32 gpio74:1;
+ u32 gpio75:1;
+} __packed;
+
+/*
+ * This hilariously complex structure came from Coreboot. The
+ * setup_pch_gpios() function uses it. It could be move to device tree, or
+ * adjust to use masks instead of bitfields.
+ */
+struct pch_gpio_map {
+ struct {
+ const struct pch_gpio_set1 *mode;
+ const struct pch_gpio_set1 *direction;
+ const struct pch_gpio_set1 *level;
+ const struct pch_gpio_set1 *reset;
+ const struct pch_gpio_set1 *invert;
+ const struct pch_gpio_set1 *blink;
+ } set1;
+ struct {
+ const struct pch_gpio_set2 *mode;
+ const struct pch_gpio_set2 *direction;
+ const struct pch_gpio_set2 *level;
+ const struct pch_gpio_set2 *reset;
+ } set2;
+ struct {
+ const struct pch_gpio_set3 *mode;
+ const struct pch_gpio_set3 *direction;
+ const struct pch_gpio_set3 *level;
+ const struct pch_gpio_set3 *reset;
+ } set3;
+};
+
+void ich_gpio_set_gpio_map(const struct pch_gpio_map *map);
+
#endif /* _X86_GPIO_H_ */
diff --git a/arch/x86/include/asm/i8254.h b/arch/x86/include/asm/i8254.h
index c3ccd4f..4116de1 100644
--- a/arch/x86/include/asm/i8254.h
+++ b/arch/x86/include/asm/i8254.h
@@ -36,4 +36,7 @@
#define PIT_CMD_MODE4 0x08 /* Select mode 4 */
#define PIT_CMD_MODE5 0x0A /* Select mode 5 */
+/* The clock frequency of the i8253/i8254 PIT */
+#define PIT_TICK_RATE 1193182ul
+
#endif
diff --git a/arch/x86/include/asm/init_helpers.h b/arch/x86/include/asm/init_helpers.h
index b07887e..8cbe08e 100644
--- a/arch/x86/include/asm/init_helpers.h
+++ b/arch/x86/include/asm/init_helpers.h
@@ -13,7 +13,5 @@ int calculate_relocation_address(void);
int init_cache_f_r(void);
int init_bd_struct_r(void);
int init_func_spi(void);
-int find_fdt(void);
-int prepare_fdt(void);
#endif /* !_INIT_HELPERS_H_ */
diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h
index 86bac90..fcd9aa9 100644
--- a/arch/x86/include/asm/io.h
+++ b/arch/x86/include/asm/io.h
@@ -69,6 +69,55 @@
#define memcpy_fromio(a,b,c) memcpy((a),(b),(c))
#define memcpy_toio(a,b,c) memcpy((a),(b),(c))
+#define write_arch(type, endian, a, v) __raw_write##type(cpu_to_##endian(v), a)
+#define read_arch(type, endian, a) endian##_to_cpu(__raw_read##type(a))
+
+#define write_le64(a, v) write_arch(q, le64, a, v)
+#define write_le32(a, v) write_arch(l, le32, a, v)
+#define write_le16(a, v) write_arch(w, le16, a, v)
+
+#define read_le64(a) read_arch(q, le64, a)
+#define read_le32(a) read_arch(l, le32, a)
+#define read_le16(a) read_arch(w, le16, a)
+
+#define write_be32(a, v) write_arch(l, be32, a, v)
+#define write_be16(a, v) write_arch(w, be16, a, v)
+
+#define read_be32(a) read_arch(l, be32, a)
+#define read_be16(a) read_arch(w, be16, a)
+
+#define write_8(a, v) __raw_writeb(v, a)
+#define read_8(a) __raw_readb(a)
+
+#define clrbits(type, addr, clear) \
+ write_##type((addr), read_##type(addr) & ~(clear))
+
+#define setbits(type, addr, set) \
+ write_##type((addr), read_##type(addr) | (set))
+
+#define clrsetbits(type, addr, clear, set) \
+ write_##type((addr), (read_##type(addr) & ~(clear)) | (set))
+
+#define clrbits_be32(addr, clear) clrbits(be32, addr, clear)
+#define setbits_be32(addr, set) setbits(be32, addr, set)
+#define clrsetbits_be32(addr, clear, set) clrsetbits(be32, addr, clear, set)
+
+#define clrbits_le32(addr, clear) clrbits(le32, addr, clear)
+#define setbits_le32(addr, set) setbits(le32, addr, set)
+#define clrsetbits_le32(addr, clear, set) clrsetbits(le32, addr, clear, set)
+
+#define clrbits_be16(addr, clear) clrbits(be16, addr, clear)
+#define setbits_be16(addr, set) setbits(be16, addr, set)
+#define clrsetbits_be16(addr, clear, set) clrsetbits(be16, addr, clear, set)
+
+#define clrbits_le16(addr, clear) clrbits(le16, addr, clear)
+#define setbits_le16(addr, set) setbits(le16, addr, set)
+#define clrsetbits_le16(addr, clear, set) clrsetbits(le16, addr, clear, set)
+
+#define clrbits_8(addr, clear) clrbits(8, addr, clear)
+#define setbits_8(addr, set) setbits(8, addr, set)
+#define clrsetbits_8(addr, clear, set) clrsetbits(8, addr, clear, set)
+
/*
* ISA space is 'always mapped' on a typical x86 system, no need to
* explicitly ioremap() it. The fact that the ISA IO space is mapped
diff --git a/arch/x86/include/asm/lapic.h b/arch/x86/include/asm/lapic.h
new file mode 100644
index 0000000..948e643
--- /dev/null
+++ b/arch/x86/include/asm/lapic.h
@@ -0,0 +1,59 @@
+/*
+ * From Coreboot file of same name
+ *
+ * Copyright (C) 2014 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#ifndef _ARCH_ASM_LAPIC_H
+#define _ARCH_ASM_LAPIC_H
+
+#include <asm/io.h>
+#include <asm/lapic_def.h>
+#include <asm/msr.h>
+#include <asm/processor.h>
+
+static inline __attribute__((always_inline))
+ unsigned long lapic_read(unsigned long reg)
+{
+ return readl(LAPIC_DEFAULT_BASE + reg);
+}
+
+static inline __attribute__((always_inline))
+ void lapic_write(unsigned long reg, unsigned long val)
+{
+ writel(val, LAPIC_DEFAULT_BASE + reg);
+}
+
+static inline __attribute__((always_inline)) void lapic_wait_icr_idle(void)
+{
+ do { } while (lapic_read(LAPIC_ICR) & LAPIC_ICR_BUSY);
+}
+
+static inline void enable_lapic(void)
+{
+ msr_t msr;
+
+ msr = msr_read(LAPIC_BASE_MSR);
+ msr.hi &= 0xffffff00;
+ msr.lo &= 0x000007ff;
+ msr.lo |= LAPIC_DEFAULT_BASE | (1 << 11);
+ msr_write(LAPIC_BASE_MSR, msr);
+}
+
+static inline void disable_lapic(void)
+{
+ msr_t msr;
+
+ msr = msr_read(LAPIC_BASE_MSR);
+ msr.lo &= ~(1 << 11);
+ msr_write(LAPIC_BASE_MSR, msr);
+}
+
+static inline __attribute__((always_inline)) unsigned long lapicid(void)
+{
+ return lapic_read(LAPIC_ID) >> 24;
+}
+
+#endif
diff --git a/arch/x86/include/asm/lapic_def.h b/arch/x86/include/asm/lapic_def.h
new file mode 100644
index 0000000..722cead
--- /dev/null
+++ b/arch/x86/include/asm/lapic_def.h
@@ -0,0 +1,101 @@
+/*
+ * Taken from the Coreboot file of the same name
+ *
+ * (C) Copyright 2014 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#ifndef _ASM_LAPIC_DEF_H
+#define _ASM_LAPIC_DEF_H
+
+#define LAPIC_BASE_MSR 0x1B
+#define LAPIC_BASE_MSR_BOOTSTRAP_PROCESSOR (1 << 8)
+#define LAPIC_BASE_MSR_ENABLE (1 << 11)
+#define LAPIC_BASE_MSR_ADDR_MASK 0xFFFFF000
+
+#define LOCAL_APIC_ADDR 0xfee00000
+#define LAPIC_DEFAULT_BASE LOCAL_APIC_ADDR
+
+#define LAPIC_ID 0x020
+#define LAPIC_LVR 0x030
+#define LAPIC_TASKPRI 0x80
+#define LAPIC_TPRI_MASK 0xFF
+#define LAPIC_ARBID 0x090
+#define LAPIC_RRR 0x0C0
+#define LAPIC_SVR 0x0f0
+#define LAPIC_SPIV 0x0f0
+#define LAPIC_SPIV_ENABLE 0x100
+#define LAPIC_ESR 0x280
+#define LAPIC_ESR_SEND_CS 0x00001
+#define LAPIC_ESR_RECV_CS 0x00002
+#define LAPIC_ESR_SEND_ACC 0x00004
+#define LAPIC_ESR_RECV_ACC 0x00008
+#define LAPIC_ESR_SENDILL 0x00020
+#define LAPIC_ESR_RECVILL 0x00040
+#define LAPIC_ESR_ILLREGA 0x00080
+#define LAPIC_ICR 0x300
+#define LAPIC_DEST_SELF 0x40000
+#define LAPIC_DEST_ALLINC 0x80000
+#define LAPIC_DEST_ALLBUT 0xC0000
+#define LAPIC_ICR_RR_MASK 0x30000
+#define LAPIC_ICR_RR_INVALID 0x00000
+#define LAPIC_ICR_RR_INPROG 0x10000
+#define LAPIC_ICR_RR_VALID 0x20000
+#define LAPIC_INT_LEVELTRIG 0x08000
+#define LAPIC_INT_ASSERT 0x04000
+#define LAPIC_ICR_BUSY 0x01000
+#define LAPIC_DEST_LOGICAL 0x00800
+#define LAPIC_DM_FIXED 0x00000
+#define LAPIC_DM_LOWEST 0x00100
+#define LAPIC_DM_SMI 0x00200
+#define LAPIC_DM_REMRD 0x00300
+#define LAPIC_DM_NMI 0x00400
+#define LAPIC_DM_INIT 0x00500
+#define LAPIC_DM_STARTUP 0x00600
+#define LAPIC_DM_EXTINT 0x00700
+#define LAPIC_VECTOR_MASK 0x000FF
+#define LAPIC_ICR2 0x310
+#define GET_LAPIC_DEST_FIELD(x) (((x) >> 24) & 0xFF)
+#define SET_LAPIC_DEST_FIELD(x) ((x) << 24)
+#define LAPIC_LVTT 0x320
+#define LAPIC_LVTPC 0x340
+#define LAPIC_LVT0 0x350
+#define LAPIC_LVT_TIMER_BASE_MASK (0x3 << 18)
+#define GET_LAPIC_TIMER_BASE(x) (((x) >> 18) & 0x3)
+#define SET_LAPIC_TIMER_BASE(x) (((x) << 18))
+#define LAPIC_TIMER_BASE_CLKIN 0x0
+#define LAPIC_TIMER_BASE_TMBASE 0x1
+#define LAPIC_TIMER_BASE_DIV 0x2
+#define LAPIC_LVT_TIMER_PERIODIC (1 << 17)
+#define LAPIC_LVT_MASKED (1 << 16)
+#define LAPIC_LVT_LEVEL_TRIGGER (1 << 15)
+#define LAPIC_LVT_REMOTE_IRR (1 << 14)
+#define LAPIC_INPUT_POLARITY (1 << 13)
+#define LAPIC_SEND_PENDING (1 << 12)
+#define LAPIC_LVT_RESERVED_1 (1 << 11)
+#define LAPIC_DELIVERY_MODE_MASK (7 << 8)
+#define LAPIC_DELIVERY_MODE_FIXED (0 << 8)
+#define LAPIC_DELIVERY_MODE_NMI (4 << 8)
+#define LAPIC_DELIVERY_MODE_EXTINT (7 << 8)
+#define GET_LAPIC_DELIVERY_MODE(x) (((x) >> 8) & 0x7)
+#define SET_LAPIC_DELIVERY_MODE(x, y) (((x) & ~0x700)|((y) << 8))
+#define LAPIC_MODE_FIXED 0x0
+#define LAPIC_MODE_NMI 0x4
+#define LAPIC_MODE_EXINT 0x7
+#define LAPIC_LVT1 0x360
+#define LAPIC_LVTERR 0x370
+#define LAPIC_TMICT 0x380
+#define LAPIC_TMCCT 0x390
+#define LAPIC_TDCR 0x3E0
+#define LAPIC_TDR_DIV_TMBASE (1 << 2)
+#define LAPIC_TDR_DIV_1 0xB
+#define LAPIC_TDR_DIV_2 0x0
+#define LAPIC_TDR_DIV_4 0x1
+#define LAPIC_TDR_DIV_8 0x2
+#define LAPIC_TDR_DIV_16 0x3
+#define LAPIC_TDR_DIV_32 0x8
+#define LAPIC_TDR_DIV_64 0x9
+#define LAPIC_TDR_DIV_128 0xA
+
+#endif
diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h
index 3b5915d..df43983 100644
--- a/arch/x86/include/asm/msr.h
+++ b/arch/x86/include/asm/msr.h
@@ -175,6 +175,25 @@ static inline int wrmsr_safe_regs(u32 regs[8])
return native_wrmsr_safe_regs(regs);
}
+typedef struct msr_t {
+ uint32_t lo;
+ uint32_t hi;
+} msr_t;
+
+static inline struct msr_t msr_read(unsigned msr_num)
+{
+ struct msr_t msr;
+
+ rdmsr(msr_num, msr.lo, msr.hi);
+
+ return msr;
+}
+
+static inline void msr_write(unsigned msr_num, msr_t msr)
+{
+ wrmsr(msr_num, msr.lo, msr.hi);
+}
+
#define rdtscl(low) \
((low) = (u32)__native_read_tsc())
diff --git a/arch/x86/include/asm/mtrr.h b/arch/x86/include/asm/mtrr.h
new file mode 100644
index 0000000..5f05a48
--- /dev/null
+++ b/arch/x86/include/asm/mtrr.h
@@ -0,0 +1,121 @@
+/*
+ * Copyright (c) 2014 Google, Inc
+ *
+ * From Coreboot file of the same name
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _ASM_MTRR_H
+#define _ASM_MTRR_H
+
+/* These are the region types */
+#define MTRR_TYPE_UNCACHEABLE 0
+#define MTRR_TYPE_WRCOMB 1
+/*#define MTRR_TYPE_ 2*/
+/*#define MTRR_TYPE_ 3*/
+#define MTRR_TYPE_WRTHROUGH 4
+#define MTRR_TYPE_WRPROT 5
+#define MTRR_TYPE_WRBACK 6
+#define MTRR_NUM_TYPES 7
+
+#define MTRRcap_MSR 0x0fe
+#define MTRRdefType_MSR 0x2ff
+
+#define MTRRdefTypeEn (1 << 11)
+#define MTRRdefTypeFixEn (1 << 10)
+
+#define SMRRphysBase_MSR 0x1f2
+#define SMRRphysMask_MSR 0x1f3
+
+#define MTRRphysBase_MSR(reg) (0x200 + 2 * (reg))
+#define MTRRphysMask_MSR(reg) (0x200 + 2 * (reg) + 1)
+
+#define MTRRphysMaskValid (1 << 11)
+
+#define NUM_FIXED_RANGES 88
+#define RANGES_PER_FIXED_MTRR 8
+#define MTRRfix64K_00000_MSR 0x250
+#define MTRRfix16K_80000_MSR 0x258
+#define MTRRfix16K_A0000_MSR 0x259
+#define MTRRfix4K_C0000_MSR 0x268
+#define MTRRfix4K_C8000_MSR 0x269
+#define MTRRfix4K_D0000_MSR 0x26a
+#define MTRRfix4K_D8000_MSR 0x26b
+#define MTRRfix4K_E0000_MSR 0x26c
+#define MTRRfix4K_E8000_MSR 0x26d
+#define MTRRfix4K_F0000_MSR 0x26e
+#define MTRRfix4K_F8000_MSR 0x26f
+
+#if !defined(__ASSEMBLER__)
+
+/*
+ * The MTRR code has some side effects that the callers should be aware for.
+ * 1. The call sequence matters. x86_setup_mtrrs() calls
+ * x86_setup_fixed_mtrrs_no_enable() then enable_fixed_mtrrs() (equivalent
+ * of x86_setup_fixed_mtrrs()) then x86_setup_var_mtrrs(). If the callers
+ * want to call the components of x86_setup_mtrrs() because of other
+ * rquirements the ordering should still preserved.
+ * 2. enable_fixed_mtrr() will enable both variable and fixed MTRRs because
+ * of the nature of the global MTRR enable flag. Therefore, all direct
+ * or indirect callers of enable_fixed_mtrr() should ensure that the
+ * variable MTRR MSRs do not contain bad ranges.
+ * 3. If CONFIG_CACHE_ROM is selected an MTRR is allocated for enabling
+ * the caching of the ROM. However, it is set to uncacheable (UC). It
+ * is the responsiblity of the caller to enable it by calling
+ * x86_mtrr_enable_rom_caching().
+ */
+void x86_setup_mtrrs(void);
+/*
+ * x86_setup_var_mtrrs() parameters:
+ * address_bits - number of physical address bits supported by cpu
+ * above4gb - 2 means dynamically detect number of variable MTRRs available.
+ * non-zero means handle memory ranges above 4GiB.
+ * 0 means ignore memory ranges above 4GiB
+ */
+void x86_setup_var_mtrrs(unsigned int address_bits, unsigned int above4gb);
+void enable_fixed_mtrr(void);
+void x86_setup_fixed_mtrrs(void);
+/* Set up fixed MTRRs but do not enable them. */
+void x86_setup_fixed_mtrrs_no_enable(void);
+int x86_mtrr_check(void);
+/* ROM caching can be used after variable MTRRs are set up. Beware that
+ * enabling CONFIG_CACHE_ROM will eat through quite a few MTRRs based on
+ * one's IO hole size and WRCOMB resources. Be sure to check the console
+ * log when enabling CONFIG_CACHE_ROM or adding WRCOMB resources. Beware that
+ * on CPUs with core-scoped MTRR registers such as hyperthreaded CPUs the
+ * rom caching will be disabled if all threads run the MTRR code. Therefore,
+ * one needs to call x86_mtrr_enable_rom_caching() after all threads of the
+ * same core have run the MTRR code. */
+#if CONFIG_CACHE_ROM
+void x86_mtrr_enable_rom_caching(void);
+void x86_mtrr_disable_rom_caching(void);
+/* Return the variable range MTRR index of the ROM cache. */
+long x86_mtrr_rom_cache_var_index(void);
+#else
+static inline void x86_mtrr_enable_rom_caching(void) {}
+static inline void x86_mtrr_disable_rom_caching(void) {}
+static inline long x86_mtrr_rom_cache_var_index(void) { return -1; }
+#endif /* CONFIG_CACHE_ROM */
+
+#endif
+
+#if !defined(CONFIG_RAMTOP)
+# error "CONFIG_RAMTOP not defined"
+#endif
+
+#if ((CONFIG_XIP_ROM_SIZE & (CONFIG_XIP_ROM_SIZE - 1)) != 0)
+# error "CONFIG_XIP_ROM_SIZE is not a power of 2"
+#endif
+
+#if ((CONFIG_CACHE_ROM_SIZE & (CONFIG_CACHE_ROM_SIZE - 1)) != 0)
+# error "CONFIG_CACHE_ROM_SIZE is not a power of 2"
+#endif
+
+#define CACHE_ROM_BASE (((1 << 20) - (CONFIG_CACHE_ROM_SIZE >> 12)) << 12)
+
+#if (CONFIG_RAMTOP & (CONFIG_RAMTOP - 1)) != 0
+# error "CONFIG_RAMTOP must be a power of 2"
+#endif
+
+#endif
diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h
index 6b16188..98817aa 100644
--- a/arch/x86/include/asm/pci.h
+++ b/arch/x86/include/asm/pci.h
@@ -12,5 +12,38 @@
#define DEFINE_PCI_DEVICE_TABLE(_table) \
const struct pci_device_id _table[]
+struct pci_controller;
+
void pci_setup_type1(struct pci_controller *hose);
+
+/**
+ * board_pci_setup_hose() - Set up the PCI hose
+ *
+ * This is called by the common x86 PCI code to set up the PCI controller
+ * hose. It may be called when no memory/BSS is available so should just
+ * store things in 'hose' and not in BSS variables.
+ */
+void board_pci_setup_hose(struct pci_controller *hose);
+
+/**
+ * pci_early_init_hose() - Set up PCI host before relocation
+ *
+ * This allocates memory for, sets up and returns the PCI hose. It can be
+ * called before relocation. The hose will be stored in gd->arch.hose for
+ * later use, but will become invalid one DRAM is available.
+ */
+int pci_early_init_hose(struct pci_controller **hosep);
+
+/*
+ * Simple PCI access routines - these work from either the early PCI hose
+ * or the 'real' one, created after U-Boot has memory available
+ */
+unsigned int pci_read_config8(pci_dev_t dev, unsigned where);
+unsigned int pci_read_config16(pci_dev_t dev, unsigned where);
+unsigned int pci_read_config32(pci_dev_t dev, unsigned where);
+
+void pci_write_config8(pci_dev_t dev, unsigned where, unsigned value);
+void pci_write_config16(pci_dev_t dev, unsigned where, unsigned value);
+void pci_write_config32(pci_dev_t dev, unsigned where, unsigned value);
+
#endif
diff --git a/arch/x86/include/asm/post.h b/arch/x86/include/asm/post.h
new file mode 100644
index 0000000..ce68839
--- /dev/null
+++ b/arch/x86/include/asm/post.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2014 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _post_h
+#define _post_h
+
+/* port to use for post codes */
+#define POST_PORT 0x80
+
+/* post codes which represent various stages of init */
+#define POST_START 0x1e
+#define POST_CAR_START 0x1f
+#define POST_CAR_SIPI 0x20
+#define POST_CAR_MTRR 0x21
+#define POST_CAR_UNCACHEABLE 0x22
+#define POST_CAR_BASE_ADDRESS 0x23
+#define POST_CAR_MASK 0x24
+#define POST_CAR_FILL 0x25
+#define POST_CAR_ROM_CACHE 0x26
+#define POST_CAR_MRC_CACHE 0x27
+#define POST_CAR_CPU_CACHE 0x28
+#define POST_START_STACK 0x29
+#define POST_START_DONE 0x2a
+#define POST_CPU_INIT 0x2b
+#define POST_EARLY_INIT 0x2c
+#define POST_CPU_INFO 0x2d
+#define POST_PRE_MRC 0x2e
+#define POST_MRC 0x2f
+#define POST_DRAM 0x2f
+
+#define POST_RAM_FAILURE 0xea
+
+/* Output a post code using al - value must be 0 to 0xff */
+#ifdef __ASSEMBLY__
+#define post_code(value) \
+ movb $value, %al; \
+ outb %al, $POST_PORT
+#else
+#include <asm/io.h>
+
+static inline void post_code(int code)
+{
+ outb(code, POST_PORT);
+}
+#endif
+
+#endif
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index bb3172f..b9317cb 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -30,4 +30,25 @@ enum {
#define X86_GDT_SIZE (X86_GDT_NUM_ENTRIES * X86_GDT_ENTRY_SIZE)
+#ifndef __ASSEMBLY__
+
+#define PORT_RESET 0xcf9
+
+static inline __attribute__((always_inline)) void cpu_hlt(void)
+{
+ asm("hlt");
+}
+
+static inline ulong cpu_get_sp(void)
+{
+ ulong result;
+
+ asm volatile(
+ "mov %%esp, %%eax"
+ : "=a" (result));
+ return result;
+}
+
+#endif /* __ASSEMBLY__ */
+
#endif
diff --git a/arch/x86/include/asm/u-boot-x86.h b/arch/x86/include/asm/u-boot-x86.h
index 9e525dd..98217dd 100644
--- a/arch/x86/include/asm/u-boot-x86.h
+++ b/arch/x86/include/asm/u-boot-x86.h
@@ -9,6 +9,7 @@
#define _U_BOOT_I386_H_ 1
/* cpu/.../cpu.c */
+int arch_cpu_init(void);
int x86_cpu_init_r(void);
int cpu_init_r(void);
int x86_cpu_init_f(void);
@@ -27,8 +28,8 @@ unsigned long get_tbclk_mhz(void);
void timer_set_base(uint64_t base);
int pcat_timer_init(void);
-/* Architecture specific - can be in arch/x86/cpu/, arch/x86/lib/, or $(BOARD)/ */
-int dram_init_f(void);
+/* Architecture specific DRAM init */
+int dram_init(void);
/* cpu/.../interrupts.c */
int cpu_init_interrupts(void);
@@ -36,6 +37,16 @@ int cpu_init_interrupts(void);
/* board/.../... */
int dram_init(void);
+int cleanup_before_linux(void);
+int x86_cleanup_before_linux(void);
+void x86_enable_caches(void);
+void x86_disable_caches(void);
+int x86_init_cache(void);
+void reset_cpu(ulong addr);
+ulong board_get_usable_ram_top(ulong total_size);
+void dram_init_banksize(void);
+int default_print_cpuinfo(void);
+
void setup_pcat_compatibility(void);
void isa_unmap_rom(u32 addr);
@@ -59,4 +70,6 @@ static inline __attribute__((no_instrument_function)) uint64_t rdtsc(void)
void timer_set_tsc_base(uint64_t new_base);
uint64_t timer_get_tsc(void);
+void quick_ram_check(void);
+
#endif /* _U_BOOT_I386_H_ */
diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile
index 25b672a..e146e64 100644
--- a/arch/x86/lib/Makefile
+++ b/arch/x86/lib/Makefile
@@ -15,6 +15,7 @@ obj-$(CONFIG_SYS_PCAT_TIMER) += pcat_timer.o
obj-$(CONFIG_PCI) += pci_type1.o
obj-y += relocate.o
obj-y += physmem.o
+obj-$(CONFIG_X86_RAMTEST) += ramtest.o
obj-y += string.o
obj-$(CONFIG_SYS_X86_TSC_TIMER) += tsc_timer.o
obj-$(CONFIG_VIDEO_VGA) += video.o
diff --git a/arch/x86/lib/init_helpers.c b/arch/x86/lib/init_helpers.c
index b5d937f..be4eb12 100644
--- a/arch/x86/lib/init_helpers.c
+++ b/arch/x86/lib/init_helpers.c
@@ -87,30 +87,3 @@ int init_func_spi(void)
puts("ready\n");
return 0;
}
-
-int find_fdt(void)
-{
-#ifdef CONFIG_OF_EMBED
- /* Get a pointer to the FDT */
- gd->fdt_blob = __dtb_dt_begin;
-#elif defined CONFIG_OF_SEPARATE
- /* FDT is at end of image */
- gd->fdt_blob = (ulong *)&_end;
-#endif
- /* Allow the early environment to override the fdt address */
- gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16,
- (uintptr_t)gd->fdt_blob);
-
- return 0;
-}
-
-int prepare_fdt(void)
-{
- /* For now, put this check after the console is ready */
- if (fdtdec_prepare_fdt()) {
- panic("** CONFIG_OF_CONTROL defined but no FDT - please see "
- "doc/README.fdt-control");
- }
-
- return 0;
-}
diff --git a/arch/x86/lib/ramtest.c b/arch/x86/lib/ramtest.c
new file mode 100644
index 0000000..c21be03
--- /dev/null
+++ b/arch/x86/lib/ramtest.c
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2014 Google, Inc
+ *
+ * From Coreboot src/lib/ramtest.c
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/post.h>
+
+static void write_phys(unsigned long addr, u32 value)
+{
+#if CONFIG_SSE2
+ asm volatile(
+ "movnti %1, (%0)"
+ : /* outputs */
+ : "r" (addr), "r" (value) /* inputs */
+ : /* clobbers */
+ );
+#else
+ writel(value, addr);
+#endif
+}
+
+static u32 read_phys(unsigned long addr)
+{
+ return readl(addr);
+}
+
+static void phys_memory_barrier(void)
+{
+#if CONFIG_SSE2
+ /* Needed for movnti */
+ asm volatile(
+ "sfence"
+ :
+ :
+ : "memory"
+ );
+#else
+ asm volatile(""
+ :
+ :
+ : "memory");
+#endif
+}
+
+void quick_ram_check(void)
+{
+ int fail = 0;
+ u32 backup;
+
+ backup = read_phys(CONFIG_RAMBASE);
+ write_phys(CONFIG_RAMBASE, 0x55555555);
+ phys_memory_barrier();
+ if (read_phys(CONFIG_RAMBASE) != 0x55555555)
+ fail = 1;
+ write_phys(CONFIG_RAMBASE, 0xaaaaaaaa);
+ phys_memory_barrier();
+ if (read_phys(CONFIG_RAMBASE) != 0xaaaaaaaa)
+ fail = 1;
+ write_phys(CONFIG_RAMBASE, 0x00000000);
+ phys_memory_barrier();
+ if (read_phys(CONFIG_RAMBASE) != 0x00000000)
+ fail = 1;
+ write_phys(CONFIG_RAMBASE, 0xffffffff);
+ phys_memory_barrier();
+ if (read_phys(CONFIG_RAMBASE) != 0xffffffff)
+ fail = 1;
+
+ write_phys(CONFIG_RAMBASE, backup);
+ if (fail) {
+ post_code(POST_RAM_FAILURE);
+ panic("RAM INIT FAILURE!\n");
+ }
+ phys_memory_barrier();
+}
diff --git a/arch/x86/lib/tsc_timer.c b/arch/x86/lib/tsc_timer.c
index 8b38702..fb9afed 100644
--- a/arch/x86/lib/tsc_timer.c
+++ b/arch/x86/lib/tsc_timer.c
@@ -1,6 +1,9 @@
/*
* Copyright (c) 2012 The Chromium OS Authors.
*
+ * TSC calibration codes are adapted from Linux kernel
+ * arch/x86/kernel/tsc_msr.c and arch/x86/kernel/tsc.c
+ *
* SPDX-License-Identifier: GPL-2.0+
*/
@@ -12,8 +15,269 @@
#include <asm/msr.h>
#include <asm/u-boot-x86.h>
+/* CPU reference clock frequency: in KHz */
+#define FREQ_83 83200
+#define FREQ_100 99840
+#define FREQ_133 133200
+#define FREQ_166 166400
+
+#define MAX_NUM_FREQS 8
+
DECLARE_GLOBAL_DATA_PTR;
+/*
+ * According to Intel 64 and IA-32 System Programming Guide,
+ * if MSR_PERF_STAT[31] is set, the maximum resolved bus ratio can be
+ * read in MSR_PLATFORM_ID[12:8], otherwise in MSR_PERF_STAT[44:40].
+ * Unfortunately some Intel Atom SoCs aren't quite compliant to this,
+ * so we need manually differentiate SoC families. This is what the
+ * field msr_plat does.
+ */
+struct freq_desc {
+ u8 x86_family; /* CPU family */
+ u8 x86_model; /* model */
+ /* 2: use 100MHz, 1: use MSR_PLATFORM_INFO, 0: MSR_IA32_PERF_STATUS */
+ u8 msr_plat;
+ u32 freqs[MAX_NUM_FREQS];
+};
+
+static struct freq_desc freq_desc_tables[] = {
+ /* PNW */
+ { 6, 0x27, 0, { 0, 0, 0, 0, 0, FREQ_100, 0, FREQ_83 } },
+ /* CLV+ */
+ { 6, 0x35, 0, { 0, FREQ_133, 0, 0, 0, FREQ_100, 0, FREQ_83 } },
+ /* TNG */
+ { 6, 0x4a, 1, { 0, FREQ_100, FREQ_133, 0, 0, 0, 0, 0 } },
+ /* VLV2 */
+ { 6, 0x37, 1, { FREQ_83, FREQ_100, FREQ_133, FREQ_166, 0, 0, 0, 0 } },
+ /* Ivybridge */
+ { 6, 0x3a, 2, { 0, 0, 0, 0, 0, 0, 0, 0 } },
+ /* ANN */
+ { 6, 0x5a, 1, { FREQ_83, FREQ_100, FREQ_133, FREQ_100, 0, 0, 0, 0 } },
+};
+
+static int match_cpu(u8 family, u8 model)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(freq_desc_tables); i++) {
+ if ((family == freq_desc_tables[i].x86_family) &&
+ (model == freq_desc_tables[i].x86_model))
+ return i;
+ }
+
+ return -1;
+}
+
+/* Map CPU reference clock freq ID(0-7) to CPU reference clock freq(KHz) */
+#define id_to_freq(cpu_index, freq_id) \
+ (freq_desc_tables[cpu_index].freqs[freq_id])
+
+/*
+ * Do MSR calibration only for known/supported CPUs.
+ *
+ * Returns the calibration value or 0 if MSR calibration failed.
+ */
+static unsigned long try_msr_calibrate_tsc(void)
+{
+ u32 lo, hi, ratio, freq_id, freq;
+ unsigned long res;
+ int cpu_index;
+
+ cpu_index = match_cpu(gd->arch.x86, gd->arch.x86_model);
+ if (cpu_index < 0)
+ return 0;
+
+ if (freq_desc_tables[cpu_index].msr_plat) {
+ rdmsr(MSR_PLATFORM_INFO, lo, hi);
+ ratio = (lo >> 8) & 0x1f;
+ } else {
+ rdmsr(MSR_IA32_PERF_STATUS, lo, hi);
+ ratio = (hi >> 8) & 0x1f;
+ }
+ debug("Maximum core-clock to bus-clock ratio: 0x%x\n", ratio);
+
+ if (!ratio)
+ goto fail;
+
+ if (freq_desc_tables[cpu_index].msr_plat == 2) {
+ /* TODO: Figure out how best to deal with this */
+ freq = FREQ_100;
+ debug("Using frequency: %u KHz\n", freq);
+ } else {
+ /* Get FSB FREQ ID */
+ rdmsr(MSR_FSB_FREQ, lo, hi);
+ freq_id = lo & 0x7;
+ freq = id_to_freq(cpu_index, freq_id);
+ debug("Resolved frequency ID: %u, frequency: %u KHz\n",
+ freq_id, freq);
+ }
+ if (!freq)
+ goto fail;
+
+ /* TSC frequency = maximum resolved freq * maximum resolved bus ratio */
+ res = freq * ratio / 1000;
+ debug("TSC runs at %lu MHz\n", res);
+
+ return res;
+
+fail:
+ debug("Fast TSC calibration using MSR failed\n");
+ return 0;
+}
+
+/*
+ * This reads the current MSB of the PIT counter, and
+ * checks if we are running on sufficiently fast and
+ * non-virtualized hardware.
+ *
+ * Our expectations are:
+ *
+ * - the PIT is running at roughly 1.19MHz
+ *
+ * - each IO is going to take about 1us on real hardware,
+ * but we allow it to be much faster (by a factor of 10) or
+ * _slightly_ slower (ie we allow up to a 2us read+counter
+ * update - anything else implies a unacceptably slow CPU
+ * or PIT for the fast calibration to work.
+ *
+ * - with 256 PIT ticks to read the value, we have 214us to
+ * see the same MSB (and overhead like doing a single TSC
+ * read per MSB value etc).
+ *
+ * - We're doing 2 reads per loop (LSB, MSB), and we expect
+ * them each to take about a microsecond on real hardware.
+ * So we expect a count value of around 100. But we'll be
+ * generous, and accept anything over 50.
+ *
+ * - if the PIT is stuck, and we see *many* more reads, we
+ * return early (and the next caller of pit_expect_msb()
+ * then consider it a failure when they don't see the
+ * next expected value).
+ *
+ * These expectations mean that we know that we have seen the
+ * transition from one expected value to another with a fairly
+ * high accuracy, and we didn't miss any events. We can thus
+ * use the TSC value at the transitions to calculate a pretty
+ * good value for the TSC frequencty.
+ */
+static inline int pit_verify_msb(unsigned char val)
+{
+ /* Ignore LSB */
+ inb(0x42);
+ return inb(0x42) == val;
+}
+
+static inline int pit_expect_msb(unsigned char val, u64 *tscp,
+ unsigned long *deltap)
+{
+ int count;
+ u64 tsc = 0, prev_tsc = 0;
+
+ for (count = 0; count < 50000; count++) {
+ if (!pit_verify_msb(val))
+ break;
+ prev_tsc = tsc;
+ tsc = rdtsc();
+ }
+ *deltap = rdtsc() - prev_tsc;
+ *tscp = tsc;
+
+ /*
+ * We require _some_ success, but the quality control
+ * will be based on the error terms on the TSC values.
+ */
+ return count > 5;
+}
+
+/*
+ * How many MSB values do we want to see? We aim for
+ * a maximum error rate of 500ppm (in practice the
+ * real error is much smaller), but refuse to spend
+ * more than 50ms on it.
+ */
+#define MAX_QUICK_PIT_MS 50
+#define MAX_QUICK_PIT_ITERATIONS (MAX_QUICK_PIT_MS * PIT_TICK_RATE / 1000 / 256)
+
+static unsigned long quick_pit_calibrate(void)
+{
+ int i;
+ u64 tsc, delta;
+ unsigned long d1, d2;
+
+ /* Set the Gate high, disable speaker */
+ outb((inb(0x61) & ~0x02) | 0x01, 0x61);
+
+ /*
+ * Counter 2, mode 0 (one-shot), binary count
+ *
+ * NOTE! Mode 2 decrements by two (and then the
+ * output is flipped each time, giving the same
+ * final output frequency as a decrement-by-one),
+ * so mode 0 is much better when looking at the
+ * individual counts.
+ */
+ outb(0xb0, 0x43);
+
+ /* Start at 0xffff */
+ outb(0xff, 0x42);
+ outb(0xff, 0x42);
+
+ /*
+ * The PIT starts counting at the next edge, so we
+ * need to delay for a microsecond. The easiest way
+ * to do that is to just read back the 16-bit counter
+ * once from the PIT.
+ */
+ pit_verify_msb(0);
+
+ if (pit_expect_msb(0xff, &tsc, &d1)) {
+ for (i = 1; i <= MAX_QUICK_PIT_ITERATIONS; i++) {
+ if (!pit_expect_msb(0xff-i, &delta, &d2))
+ break;
+
+ /*
+ * Iterate until the error is less than 500 ppm
+ */
+ delta -= tsc;
+ if (d1+d2 >= delta >> 11)
+ continue;
+
+ /*
+ * Check the PIT one more time to verify that
+ * all TSC reads were stable wrt the PIT.
+ *
+ * This also guarantees serialization of the
+ * last cycle read ('d2') in pit_expect_msb.
+ */
+ if (!pit_verify_msb(0xfe - i))
+ break;
+ goto success;
+ }
+ }
+ debug("Fast TSC calibration failed\n");
+ return 0;
+
+success:
+ /*
+ * Ok, if we get here, then we've seen the
+ * MSB of the PIT decrement 'i' times, and the
+ * error has shrunk to less than 500 ppm.
+ *
+ * As a result, we can depend on there not being
+ * any odd delays anywhere, and the TSC reads are
+ * reliable (within the error).
+ *
+ * kHz = ticks / time-in-seconds / 1000;
+ * kHz = (t2 - t1) / (I * 256 / PIT_TICK_RATE) / 1000
+ * kHz = ((t2 - t1) * PIT_TICK_RATE) / (I * 256 * 1000)
+ */
+ delta *= PIT_TICK_RATE;
+ delta /= (i*256*1000);
+ debug("Fast TSC calibration using PIT\n");
+ return delta / 1000;
+}
+
void timer_set_base(u64 base)
{
gd->arch.tsc_base = base;
@@ -34,17 +298,24 @@ u64 __attribute__((no_instrument_function)) get_ticks(void)
return now_tick - gd->arch.tsc_base;
}
-#define PLATFORM_INFO_MSR 0xce
-
/* Get the speed of the TSC timer in MHz */
unsigned __attribute__((no_instrument_function)) long get_tbclk_mhz(void)
{
- u32 ratio;
- u64 platform_info = native_read_msr(PLATFORM_INFO_MSR);
+ unsigned long fast_calibrate;
+
+ if (gd->arch.tsc_mhz)
+ return gd->arch.tsc_mhz;
+
+ fast_calibrate = try_msr_calibrate_tsc();
+ if (!fast_calibrate) {
+
+ fast_calibrate = quick_pit_calibrate();
+ if (!fast_calibrate)
+ panic("TSC frequency is ZERO");
+ }
- /* 100MHz times Max Non Turbo ratio */
- ratio = (platform_info >> 8) & 0xff;
- return 100 * ratio;
+ gd->arch.tsc_mhz = fast_calibrate;
+ return fast_calibrate;
}
unsigned long get_tbclk(void)
diff --git a/board/chromebook-x86/coreboot/Kconfig b/board/coreboot/coreboot/Kconfig
index 83385c7..6ca6ced 100644
--- a/board/chromebook-x86/coreboot/Kconfig
+++ b/board/coreboot/coreboot/Kconfig
@@ -4,7 +4,7 @@ config SYS_BOARD
default "coreboot"
config SYS_VENDOR
- default "chromebook-x86"
+ default "coreboot"
config SYS_SOC
default "coreboot"
diff --git a/board/chromebook-x86/coreboot/MAINTAINERS b/board/coreboot/coreboot/MAINTAINERS
index 3b2fb52..6ce66f5 100644
--- a/board/chromebook-x86/coreboot/MAINTAINERS
+++ b/board/coreboot/coreboot/MAINTAINERS
@@ -1,6 +1,6 @@
COREBOOT BOARD
M: Simon Glass <sjg@chromium.org>
S: Maintained
-F: board/chromebook-x86/coreboot/
+F: board/coreboot/coreboot/
F: include/configs/coreboot.h
F: configs/coreboot-x86_defconfig
diff --git a/board/chromebook-x86/coreboot/Makefile b/board/coreboot/coreboot/Makefile
index 27ebe78..27ebe78 100644
--- a/board/chromebook-x86/coreboot/Makefile
+++ b/board/coreboot/coreboot/Makefile
diff --git a/board/chromebook-x86/coreboot/coreboot.c b/board/coreboot/coreboot/coreboot.c
index 0240c34..0240c34 100644
--- a/board/chromebook-x86/coreboot/coreboot.c
+++ b/board/coreboot/coreboot/coreboot.c
diff --git a/board/chromebook-x86/coreboot/coreboot_start.S b/board/coreboot/coreboot/coreboot_start.S
index 932fe6c..932fe6c 100644
--- a/board/chromebook-x86/coreboot/coreboot_start.S
+++ b/board/coreboot/coreboot/coreboot_start.S
diff --git a/board/google/chromebook_link/Kconfig b/board/google/chromebook_link/Kconfig
new file mode 100644
index 0000000..3a4f557
--- /dev/null
+++ b/board/google/chromebook_link/Kconfig
@@ -0,0 +1,31 @@
+if TARGET_CHROMEBOOK_LINK
+
+config SYS_BOARD
+ default "chromebook_link"
+
+config SYS_VENDOR
+ default "google"
+
+config SYS_SOC
+ default "ivybridge"
+
+config SYS_CONFIG_NAME
+ default "chromebook_link"
+
+config BOARD_SPECIFIC_OPTIONS # dummy
+ def_bool y
+ select CPU_INTEL_SOCKET_RPGA989
+ select NORTHBRIDGE_INTEL_IVYBRIDGE
+ select SOUTHBRIDGE_INTEL_C216
+ select HAVE_ACPI_RESUME
+ select MARK_GRAPHICS_MEM_WRCOMB
+
+config MMCONF_BASE_ADDRESS
+ hex
+ default 0xf0000000
+
+config EARLY_POST_CROS_EC
+ bool "Enable early post to Chrome OS EC"
+ default y
+
+endif
diff --git a/board/google/chromebook_link/MAINTAINERS b/board/google/chromebook_link/MAINTAINERS
new file mode 100644
index 0000000..bc253a2
--- /dev/null
+++ b/board/google/chromebook_link/MAINTAINERS
@@ -0,0 +1,6 @@
+CHROMEBOOK LINK BOARD
+M: Simon Glass <sjg@chromium.org>
+S: Maintained
+F: board/google/chromebook_link/
+F: include/configs/chromebook_link.h
+F: configs/chromebook_link_defconfig
diff --git a/board/google/chromebook_link/Makefile b/board/google/chromebook_link/Makefile
new file mode 100644
index 0000000..a133c2e
--- /dev/null
+++ b/board/google/chromebook_link/Makefile
@@ -0,0 +1,15 @@
+#
+# Copyright (c) 2011 The Chromium OS Authors.
+# (C) Copyright 2008
+# Graeme Russ, graeme.russ@gmail.com.
+#
+# (C) Copyright 2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# (C) Copyright 2002
+# Daniel Engström, Omicron Ceti AB, daniel@omicron.se.
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-y += link.o
diff --git a/board/google/chromebook_link/link.c b/board/google/chromebook_link/link.c
new file mode 100644
index 0000000..88cee05
--- /dev/null
+++ b/board/google/chromebook_link/link.c
@@ -0,0 +1,124 @@
+/*
+ * Copyright (C) 2014 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/gpio.h>
+
+int arch_early_init_r(void)
+{
+ return 0;
+}
+
+int board_early_init_r(void)
+{
+ return 0;
+}
+
+static const struct pch_gpio_set1 pch_gpio_set1_mode = {
+ .gpio0 = GPIO_MODE_GPIO, /* NMI_DBG# */
+ .gpio3 = GPIO_MODE_GPIO, /* ALS_INT# */
+ .gpio5 = GPIO_MODE_GPIO, /* SIM_DET */
+ .gpio7 = GPIO_MODE_GPIO, /* EC_SCI# */
+ .gpio8 = GPIO_MODE_GPIO, /* EC_SMI# */
+ .gpio9 = GPIO_MODE_GPIO, /* RECOVERY# */
+ .gpio10 = GPIO_MODE_GPIO, /* SPD vector D3 */
+ .gpio11 = GPIO_MODE_GPIO, /* smbalert#, let's keep it initialized */
+ .gpio12 = GPIO_MODE_GPIO, /* TP_INT# */
+ .gpio14 = GPIO_MODE_GPIO, /* Touch_INT_L */
+ .gpio15 = GPIO_MODE_GPIO, /* EC_LID_OUT# (EC_WAKE#) */
+ .gpio21 = GPIO_MODE_GPIO, /* EC_IN_RW */
+ .gpio24 = GPIO_MODE_GPIO, /* DDR3L_EN */
+ .gpio28 = GPIO_MODE_GPIO, /* SLP_ME_CSW_DEV# */
+};
+
+static const struct pch_gpio_set1 pch_gpio_set1_direction = {
+ .gpio0 = GPIO_DIR_INPUT,
+ .gpio3 = GPIO_DIR_INPUT,
+ .gpio5 = GPIO_DIR_INPUT,
+ .gpio7 = GPIO_DIR_INPUT,
+ .gpio8 = GPIO_DIR_INPUT,
+ .gpio9 = GPIO_DIR_INPUT,
+ .gpio10 = GPIO_DIR_INPUT,
+ .gpio11 = GPIO_DIR_INPUT,
+ .gpio12 = GPIO_DIR_INPUT,
+ .gpio14 = GPIO_DIR_INPUT,
+ .gpio15 = GPIO_DIR_INPUT,
+ .gpio21 = GPIO_DIR_INPUT,
+ .gpio24 = GPIO_DIR_OUTPUT,
+ .gpio28 = GPIO_DIR_INPUT,
+};
+
+static const struct pch_gpio_set1 pch_gpio_set1_level = {
+ .gpio1 = GPIO_LEVEL_HIGH,
+ .gpio6 = GPIO_LEVEL_HIGH,
+ .gpio24 = GPIO_LEVEL_LOW,
+};
+
+static const struct pch_gpio_set1 pch_gpio_set1_invert = {
+ .gpio7 = GPIO_INVERT,
+ .gpio8 = GPIO_INVERT,
+ .gpio12 = GPIO_INVERT,
+ .gpio14 = GPIO_INVERT,
+ .gpio15 = GPIO_INVERT,
+};
+
+static const struct pch_gpio_set2 pch_gpio_set2_mode = {
+ .gpio36 = GPIO_MODE_GPIO, /* W_DISABLE_L */
+ .gpio41 = GPIO_MODE_GPIO, /* SPD vector D0 */
+ .gpio42 = GPIO_MODE_GPIO, /* SPD vector D1 */
+ .gpio43 = GPIO_MODE_GPIO, /* SPD vector D2 */
+ .gpio57 = GPIO_MODE_GPIO, /* PCH_SPI_WP_D */
+ .gpio60 = GPIO_MODE_GPIO, /* DRAMRST_CNTRL_PCH */
+};
+
+static const struct pch_gpio_set2 pch_gpio_set2_direction = {
+ .gpio36 = GPIO_DIR_OUTPUT,
+ .gpio41 = GPIO_DIR_INPUT,
+ .gpio42 = GPIO_DIR_INPUT,
+ .gpio43 = GPIO_DIR_INPUT,
+ .gpio57 = GPIO_DIR_INPUT,
+ .gpio60 = GPIO_DIR_OUTPUT,
+};
+
+static const struct pch_gpio_set2 pch_gpio_set2_level = {
+ .gpio36 = GPIO_LEVEL_HIGH,
+ .gpio60 = GPIO_LEVEL_HIGH,
+};
+
+static const struct pch_gpio_set3 pch_gpio_set3_mode = {
+};
+
+static const struct pch_gpio_set3 pch_gpio_set3_direction = {
+};
+
+static const struct pch_gpio_set3 pch_gpio_set3_level = {
+};
+
+static const struct pch_gpio_map link_gpio_map = {
+ .set1 = {
+ .mode = &pch_gpio_set1_mode,
+ .direction = &pch_gpio_set1_direction,
+ .level = &pch_gpio_set1_level,
+ .invert = &pch_gpio_set1_invert,
+ },
+ .set2 = {
+ .mode = &pch_gpio_set2_mode,
+ .direction = &pch_gpio_set2_direction,
+ .level = &pch_gpio_set2_level,
+ },
+ .set3 = {
+ .mode = &pch_gpio_set3_mode,
+ .direction = &pch_gpio_set3_direction,
+ .level = &pch_gpio_set3_level,
+ },
+};
+
+int board_early_init_f(void)
+{
+ ich_gpio_set_gpio_map(&link_gpio_map);
+
+ return 0;
+}
diff --git a/board/google/common/Makefile b/board/google/common/Makefile
new file mode 100644
index 0000000..b38bc14
--- /dev/null
+++ b/board/google/common/Makefile
@@ -0,0 +1,7 @@
+#
+# Copyright (c) 2014 Google, Inc
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-y += early_init.o
diff --git a/board/google/common/early_init.S b/board/google/common/early_init.S
new file mode 100644
index 0000000..7017185
--- /dev/null
+++ b/board/google/common/early_init.S
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2014 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+.globl early_board_init
+early_board_init:
+ /* Enable post codes to EC */
+#ifdef CONFIG_EARLY_POST_CROS_EC
+ mov $0x1b, %ecx
+ rdmsr
+ and $0x100, %eax
+ test %eax, %eax
+ je 1f
+
+ mov $0x8000f8f0, %eax
+ mov $0xcf8, %dx
+ out %eax, (%dx)
+ mov $0xfed1c001, %eax
+ mov $0xcfc, %dx
+ out %eax, (%dx)
+ mov $0xfed1f410, %esp
+ mov (%esp), %eax
+ and $0xfffffffb, %eax
+ mov %eax, (%esp)
+1:
+#endif
+ jmp early_board_init_ret
diff --git a/common/board_f.c b/common/board_f.c
index c6e38f3..f8fd324 100644
--- a/common/board_f.c
+++ b/common/board_f.c
@@ -820,22 +820,16 @@ static init_fnc_t init_sequence_f[] = {
setup_mon_len,
setup_fdt,
trace_early_init,
+ initf_malloc,
#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
/* TODO: can this go into arch_cpu_init()? */
probecpu,
#endif
arch_cpu_init, /* basic arch cpu dependent setup */
-#ifdef CONFIG_X86
- cpu_init_f, /* TODO(sjg@chromium.org): remove */
-# ifdef CONFIG_OF_CONTROL
- find_fdt, /* TODO(sjg@chromium.org): remove */
-# endif
-#endif
mark_bootstage,
#ifdef CONFIG_OF_CONTROL
fdtdec_check_fdt,
#endif
- initf_malloc,
initf_dm,
#if defined(CONFIG_BOARD_EARLY_INIT_F)
board_early_init_f,
@@ -911,13 +905,9 @@ static init_fnc_t init_sequence_f[] = {
#if defined(CONFIG_HARD_SPI)
init_func_spi,
#endif
-#ifdef CONFIG_X86
- dram_init_f, /* configure available RAM banks */
- calculate_relocation_address,
-#endif
announce_dram_init,
/* TODO: unify all these dram functions? */
-#ifdef CONFIG_ARM
+#if defined(CONFIG_ARM) || defined(CONFIG_X86)
dram_init, /* configure available RAM banks */
#endif
#if defined(CONFIG_MIPS) || defined(CONFIG_PPC)
diff --git a/configs/chromebook_link_defconfig b/configs/chromebook_link_defconfig
new file mode 100644
index 0000000..b83803e
--- /dev/null
+++ b/configs/chromebook_link_defconfig
@@ -0,0 +1,10 @@
+CONFIG_SYS_EXTRA_OPTIONS="SYS_TEXT_BASE=0xfff00000"
+CONFIG_X86=y
+CONFIG_TARGET_CHROMEBOOK_LINK=y
+CONFIG_OF_CONTROL=y
+CONFIG_OF_SEPARATE=y
+CONFIG_DEFAULT_DEVICE_TREE="chromebook_link"
+CONFIG_HAVE_MRC=y
+CONFIG_SMM_TSEG_SIZE=0x800000
+CONFIG_FRAMEBUFFER_SET_VESA_MODE=y
+CONFIG_FRAMEBUFFER_VESA_MODE_11A=y
diff --git a/doc/device-tree-bindings/misc/intel-lpc.txt b/doc/device-tree-bindings/misc/intel-lpc.txt
new file mode 100644
index 0000000..7e1b389
--- /dev/null
+++ b/doc/device-tree-bindings/misc/intel-lpc.txt
@@ -0,0 +1,23 @@
+Intel LPC Device Binding
+========================
+
+The device tree node which describes the operation of the Intel Low Pin
+Count device is as follows:
+
+Required properties :
+- compatible = "intel,lpc"
+- gen-dec : Specifies the values for the gen-dec registers. Up to four cell
+ pairs can be provided - the first of each pair is the base address and
+ the second is the size. These are written into the GENx_DEC registers of
+ the LPC device
+
+
+Example
+-------
+
+lpc {
+ compatible = "intel,lpc";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ gen-dec = <0x800 0xfc 0x900 0xfc>;
+};
diff --git a/drivers/gpio/gpio-uclass.c b/drivers/gpio/gpio-uclass.c
index 45e9a5a..255700a 100644
--- a/drivers/gpio/gpio-uclass.c
+++ b/drivers/gpio/gpio-uclass.c
@@ -390,6 +390,25 @@ int gpio_get_status(struct udevice *dev, int offset, char *buf, int buffsize)
return 0;
}
+/*
+ * get a number comprised of multiple GPIO values. gpio_num_array points to
+ * the array of gpio pin numbers to scan, terminated by -1.
+ */
+unsigned gpio_get_values_as_int(const int *gpio_num_array)
+{
+ int gpio;
+ unsigned bitmask = 1;
+ unsigned vector = 0;
+
+ while (bitmask &&
+ ((gpio = *gpio_num_array++) != -1)) {
+ if (gpio_get_value(gpio))
+ vector |= bitmask;
+ bitmask <<= 1;
+ }
+ return vector;
+}
+
/* We need to renumber the GPIOs when any driver is probed/removed */
static int gpio_renumber(struct udevice *removed_dev)
{
diff --git a/drivers/gpio/intel_ich6_gpio.c b/drivers/gpio/intel_ich6_gpio.c
index d3381b0..b095d17 100644
--- a/drivers/gpio/intel_ich6_gpio.c
+++ b/drivers/gpio/intel_ich6_gpio.c
@@ -33,6 +33,11 @@
#include <pci.h>
#include <asm/gpio.h>
#include <asm/io.h>
+#include <asm/pci.h>
+#ifdef CONFIG_X86_RESET_VECTOR
+#include <asm/arch/pch.h>
+#define SUPPORT_GPIO_SETUP
+#endif
#define GPIO_PER_BANK 32
@@ -46,6 +51,53 @@ struct ich6_bank_priv {
uint32_t lvl;
};
+#ifdef SUPPORT_GPIO_SETUP
+static void setup_pch_gpios(const struct pch_gpio_map *gpio)
+{
+ u16 gpiobase = pci_read_config16(PCH_LPC_DEV, GPIO_BASE) & 0xfffc;
+
+ /* GPIO Set 1 */
+ if (gpio->set1.level)
+ outl(*((u32 *)gpio->set1.level), gpiobase + GP_LVL);
+ if (gpio->set1.mode)
+ outl(*((u32 *)gpio->set1.mode), gpiobase + GPIO_USE_SEL);
+ if (gpio->set1.direction)
+ outl(*((u32 *)gpio->set1.direction), gpiobase + GP_IO_SEL);
+ if (gpio->set1.reset)
+ outl(*((u32 *)gpio->set1.reset), gpiobase + GP_RST_SEL1);
+ if (gpio->set1.invert)
+ outl(*((u32 *)gpio->set1.invert), gpiobase + GPI_INV);
+ if (gpio->set1.blink)
+ outl(*((u32 *)gpio->set1.blink), gpiobase + GPO_BLINK);
+
+ /* GPIO Set 2 */
+ if (gpio->set2.level)
+ outl(*((u32 *)gpio->set2.level), gpiobase + GP_LVL2);
+ if (gpio->set2.mode)
+ outl(*((u32 *)gpio->set2.mode), gpiobase + GPIO_USE_SEL2);
+ if (gpio->set2.direction)
+ outl(*((u32 *)gpio->set2.direction), gpiobase + GP_IO_SEL2);
+ if (gpio->set2.reset)
+ outl(*((u32 *)gpio->set2.reset), gpiobase + GP_RST_SEL2);
+
+ /* GPIO Set 3 */
+ if (gpio->set3.level)
+ outl(*((u32 *)gpio->set3.level), gpiobase + GP_LVL3);
+ if (gpio->set3.mode)
+ outl(*((u32 *)gpio->set3.mode), gpiobase + GPIO_USE_SEL3);
+ if (gpio->set3.direction)
+ outl(*((u32 *)gpio->set3.direction), gpiobase + GP_IO_SEL3);
+ if (gpio->set3.reset)
+ outl(*((u32 *)gpio->set3.reset), gpiobase + GP_RST_SEL3);
+}
+
+/* TODO: Move this to device tree, or platform data */
+void ich_gpio_set_gpio_map(const struct pch_gpio_map *map)
+{
+ gd->arch.gpio_map = map;
+}
+#endif /* SUPPORT_GPIO_SETUP */
+
static int gpio_ich6_ofdata_to_platdata(struct udevice *dev)
{
struct ich6_bank_platdata *plat = dev_get_platdata(dev);
@@ -60,13 +112,13 @@ static int gpio_ich6_ofdata_to_platdata(struct udevice *dev)
pci_dev = PCI_BDF(0, 0x1f, 0);
/* Is the device present? */
- pci_read_config_word(pci_dev, PCI_VENDOR_ID, &tmpword);
+ tmpword = pci_read_config16(pci_dev, PCI_VENDOR_ID);
if (tmpword != PCI_VENDOR_ID_INTEL) {
debug("%s: wrong VendorID\n", __func__);
return -ENODEV;
}
- pci_read_config_word(pci_dev, PCI_DEVICE_ID, &tmpword);
+ tmpword = pci_read_config16(pci_dev, PCI_DEVICE_ID);
debug("Found %04x:%04x\n", PCI_VENDOR_ID_INTEL, tmpword);
/*
* We'd like to validate the Device ID too, but pretty much any
@@ -76,34 +128,34 @@ static int gpio_ich6_ofdata_to_platdata(struct udevice *dev)
*/
/* I/O should already be enabled (it's a RO bit). */
- pci_read_config_word(pci_dev, PCI_COMMAND, &tmpword);
+ tmpword = pci_read_config16(pci_dev, PCI_COMMAND);
if (!(tmpword & PCI_COMMAND_IO)) {
debug("%s: device IO not enabled\n", __func__);
return -ENODEV;
}
/* Header Type must be normal (bits 6-0 only; see spec.) */
- pci_read_config_byte(pci_dev, PCI_HEADER_TYPE, &tmpbyte);
+ tmpbyte = pci_read_config8(pci_dev, PCI_HEADER_TYPE);
if ((tmpbyte & 0x7f) != PCI_HEADER_TYPE_NORMAL) {
debug("%s: invalid Header type\n", __func__);
return -ENODEV;
}
/* Base Class must be a bridge device */
- pci_read_config_byte(pci_dev, PCI_CLASS_CODE, &tmpbyte);
+ tmpbyte = pci_read_config8(pci_dev, PCI_CLASS_CODE);
if (tmpbyte != PCI_CLASS_CODE_BRIDGE) {
debug("%s: invalid class\n", __func__);
return -ENODEV;
}
/* Sub Class must be ISA */
- pci_read_config_byte(pci_dev, PCI_CLASS_SUB_CODE, &tmpbyte);
+ tmpbyte = pci_read_config8(pci_dev, PCI_CLASS_SUB_CODE);
if (tmpbyte != PCI_CLASS_SUB_CODE_BRIDGE_ISA) {
debug("%s: invalid subclass\n", __func__);
return -ENODEV;
}
/* Programming Interface must be 0x00 (no others exist) */
- pci_read_config_byte(pci_dev, PCI_CLASS_PROG, &tmpbyte);
+ tmpbyte = pci_read_config8(pci_dev, PCI_CLASS_PROG);
if (tmpbyte != 0x00) {
debug("%s: invalid interface type\n", __func__);
return -ENODEV;
@@ -114,7 +166,7 @@ static int gpio_ich6_ofdata_to_platdata(struct udevice *dev)
* that it was unused (or undocumented). Check that it looks
* okay: not all ones or zeros, and mapped to I/O space (bit 0).
*/
- pci_read_config_dword(pci_dev, PCI_CFG_GPIOBASE, &tmplong);
+ tmplong = pci_read_config32(pci_dev, PCI_CFG_GPIOBASE);
if (tmplong == 0x00000000 || tmplong == 0xffffffff ||
!(tmplong & 0x00000001)) {
debug("%s: unexpected GPIOBASE value\n", __func__);
@@ -140,12 +192,18 @@ static int gpio_ich6_ofdata_to_platdata(struct udevice *dev)
return 0;
}
-int ich6_gpio_probe(struct udevice *dev)
+static int ich6_gpio_probe(struct udevice *dev)
{
struct ich6_bank_platdata *plat = dev_get_platdata(dev);
struct gpio_dev_priv *uc_priv = dev->uclass_priv;
struct ich6_bank_priv *bank = dev_get_priv(dev);
+#ifdef SUPPORT_GPIO_SETUP
+ if (gd->arch.gpio_map) {
+ setup_pch_gpios(gd->arch.gpio_map);
+ gd->arch.gpio_map = NULL;
+ }
+#endif
uc_priv->gpio_count = GPIO_PER_BANK;
uc_priv->bank_name = plat->bank_name;
bank->use_sel = plat->base_addr;
@@ -155,7 +213,8 @@ int ich6_gpio_probe(struct udevice *dev)
return 0;
}
-int ich6_gpio_request(struct udevice *dev, unsigned offset, const char *label)
+static int ich6_gpio_request(struct udevice *dev, unsigned offset,
+ const char *label)
{
struct ich6_bank_priv *bank = dev_get_priv(dev);
u32 tmplong;
diff --git a/drivers/serial/serial-uclass.c b/drivers/serial/serial-uclass.c
index 71f1a5c..0f019c8 100644
--- a/drivers/serial/serial-uclass.c
+++ b/drivers/serial/serial-uclass.c
@@ -19,15 +19,14 @@
DECLARE_GLOBAL_DATA_PTR;
-/* The currently-selected console serial device */
-struct udevice *cur_dev __attribute__ ((section(".data")));
-
#ifndef CONFIG_SYS_MALLOC_F_LEN
#error "Serial is required before relocation - define CONFIG_SYS_MALLOC_F_LEN to make this work"
#endif
static void serial_find_console_or_panic(void)
{
+ struct udevice *dev;
+
#ifdef CONFIG_OF_CONTROL
int node;
@@ -35,18 +34,21 @@ static void serial_find_console_or_panic(void)
node = fdtdec_get_chosen_node(gd->fdt_blob, "stdout-path");
if (node < 0)
node = fdtdec_get_alias_node(gd->fdt_blob, "console");
- if (!uclass_get_device_by_of_offset(UCLASS_SERIAL, node, &cur_dev))
+ if (!uclass_get_device_by_of_offset(UCLASS_SERIAL, node, &dev)) {
+ gd->cur_serial_dev = dev;
return;
+ }
/*
* If the console is not marked to be bound before relocation, bind
* it anyway.
*/
if (node > 0 &&
- !lists_bind_fdt(gd->dm_root, gd->fdt_blob, node, &cur_dev)) {
- if (!device_probe(cur_dev))
+ !lists_bind_fdt(gd->dm_root, gd->fdt_blob, node, &dev)) {
+ if (!device_probe(dev)) {
+ gd->cur_serial_dev = dev;
return;
- cur_dev = NULL;
+ }
}
#endif
/*
@@ -61,11 +63,12 @@ static void serial_find_console_or_panic(void)
#else
#define INDEX 0
#endif
- if (uclass_get_device_by_seq(UCLASS_SERIAL, INDEX, &cur_dev) &&
- uclass_get_device(UCLASS_SERIAL, INDEX, &cur_dev) &&
- (uclass_first_device(UCLASS_SERIAL, &cur_dev) || !cur_dev))
+ if (uclass_get_device_by_seq(UCLASS_SERIAL, INDEX, &dev) &&
+ uclass_get_device(UCLASS_SERIAL, INDEX, &dev) &&
+ (uclass_first_device(UCLASS_SERIAL, &dev) || !dev))
panic("No serial driver found");
#undef INDEX
+ gd->cur_serial_dev = dev;
}
/* Called prior to relocation */
@@ -127,30 +130,30 @@ static int _serial_tstc(struct udevice *dev)
void serial_putc(char ch)
{
- _serial_putc(cur_dev, ch);
+ _serial_putc(gd->cur_serial_dev, ch);
}
void serial_puts(const char *str)
{
- _serial_puts(cur_dev, str);
+ _serial_puts(gd->cur_serial_dev, str);
}
int serial_getc(void)
{
- return _serial_getc(cur_dev);
+ return _serial_getc(gd->cur_serial_dev);
}
int serial_tstc(void)
{
- return _serial_tstc(cur_dev);
+ return _serial_tstc(gd->cur_serial_dev);
}
void serial_setbrg(void)
{
- struct dm_serial_ops *ops = serial_get_ops(cur_dev);
+ struct dm_serial_ops *ops = serial_get_ops(gd->cur_serial_dev);
if (ops->setbrg)
- ops->setbrg(cur_dev, gd->baudrate);
+ ops->setbrg(gd->cur_serial_dev, gd->baudrate);
}
void serial_stdio_init(void)
diff --git a/include/asm-generic/global_data.h b/include/asm-generic/global_data.h
index 74df210..f61acbc 100644
--- a/include/asm-generic/global_data.h
+++ b/include/asm-generic/global_data.h
@@ -91,6 +91,7 @@ typedef struct global_data {
unsigned long malloc_limit; /* limit address */
unsigned long malloc_ptr; /* current address */
#endif
+ struct udevice *cur_serial_dev; /* current serial device */
struct arch_global_data arch; /* architecture-specific data */
} gd_t;
#endif
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h
index f81b51a..36a36c6 100644
--- a/include/asm-generic/gpio.h
+++ b/include/asm-generic/gpio.h
@@ -257,6 +257,15 @@ const char *gpio_get_bank_info(struct udevice *dev, int *offset_count);
int gpio_lookup_name(const char *name, struct udevice **devp,
unsigned int *offsetp, unsigned int *gpiop);
-int name_to_gpio(const char *name);
+/**
+ * get_gpios() - Turn the values of a list of GPIOs into an integer
+ *
+ * This puts the value of the first GPIO into bit 0, the second into bit 1,
+ * etc. then returns the resulting integer.
+ *
+ * @gpio_list: List of GPIOs to collect
+ * @return resulting integer value
+ */
+unsigned gpio_get_values_as_int(const int *gpio_list);
#endif /* _ASM_GENERIC_GPIO_H_ */
diff --git a/include/configs/chromebook_link.h b/include/configs/chromebook_link.h
new file mode 100644
index 0000000..8caeca6
--- /dev/null
+++ b/include/configs/chromebook_link.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * (C) Copyright 2008
+ * Graeme Russ, graeme.russ@gmail.com.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/*
+ * board/config.h - configuration options, board specific
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#include <configs/x86-common.h>
+
+#define CONFIG_SYS_CAR_ADDR 0xff7e0000
+#define CONFIG_SYS_CAR_SIZE (128 * 1024)
+#define CONFIG_SYS_MONITOR_LEN (1 << 20)
+#define CONFIG_DCACHE_RAM_MRC_VAR_SIZE 0x4000
+#define CONFIG_SYS_X86_START16 0xfffff800
+#define CONFIG_BOARD_EARLY_INIT_F
+#define CONFIG_BOARD_EARLY_INIT_R
+#define CONFIG_DISPLAY_CPUINFO
+
+#define CONFIG_X86_RESET_VECTOR
+#define CONFIG_NR_DRAM_BANKS 8
+#define CONFIG_X86_MRC_START 0xfffa0000
+#define CONFIG_CACHE_MRC_SIZE_KB 512
+
+#define CONFIG_COREBOOT_SERIAL
+
+#define CONFIG_SCSI_DEV_LIST {PCI_VENDOR_ID_INTEL, \
+ PCI_DEVICE_ID_INTEL_NM10_AHCI}, \
+ {PCI_VENDOR_ID_INTEL, \
+ PCI_DEVICE_ID_INTEL_COUGARPOINT_AHCI_MOBILE}, \
+ {PCI_VENDOR_ID_INTEL, \
+ PCI_DEVICE_ID_INTEL_COUGARPOINT_AHCI_SERIES6}, \
+ {PCI_VENDOR_ID_INTEL, \
+ PCI_DEVICE_ID_INTEL_PANTHERPOINT_AHCI_MOBILE}
+
+/*
+ * These common x86 features are not yet supported, but are added in
+ * follow-on patches in this series. Add undefs here to avoid every patch
+ * having to put things back into x86-common.h
+ */
+#undef CONFIG_VIDEO
+#undef CONFIG_CFB_CONSOLE
+#undef CONFIG_ICH_SPI
+#undef CONFIG_SPI
+#undef CONFIG_CMD_SPI
+#undef CONFIG_CMD_SF
+#undef CONFIG_USB_EHCI
+#undef CONFIG_CMD_USB
+#undef CONFIG_CMD_SCSI
+
+#define CONFIG_PCI_MEM_BUS 0xe0000000
+#define CONFIG_PCI_MEM_PHYS CONFIG_PCI_MEM_BUS
+#define CONFIG_PCI_MEM_SIZE 0x10000000
+
+#define CONFIG_PCI_PREF_BUS 0xd0000000
+#define CONFIG_PCI_PREF_PHYS CONFIG_PCI_PREF_BUS
+#define CONFIG_PCI_PREF_SIZE 0x10000000
+
+#define CONFIG_PCI_IO_BUS 0x1000
+#define CONFIG_PCI_IO_PHYS CONFIG_PCI_IO_BUS
+#define CONFIG_PCI_IO_SIZE 0xefff
+
+#define CONFIG_STD_DEVICES_SETTINGS "stdin=usbkbd,vga,serial\0" \
+ "stdout=vga,serial\0" \
+ "stderr=vga,serial\0"
+
+#endif /* __CONFIG_H */
diff --git a/include/configs/coreboot.h b/include/configs/coreboot.h
index fef267f..2581380 100644
--- a/include/configs/coreboot.h
+++ b/include/configs/coreboot.h
@@ -6,7 +6,6 @@
* SPDX-License-Identifier: GPL-2.0+
*/
-#include <asm/ibmpc.h>
/*
* board/config.h - configuration options, board specific
*/
@@ -14,27 +13,23 @@
#ifndef __CONFIG_H
#define __CONFIG_H
+#include <configs/x86-common.h>
+
/*
* High Level Configuration Options
* (easy to change)
*/
#define CONFIG_SYS_COREBOOT
-#define CONFIG_SHOW_BOOT_PROGRESS
#define CONFIG_LAST_STAGE_INIT
-#define CONFIG_SYS_VSNPRINTF
-#define CONFIG_ZBOOT_32
-#define CONFIG_PHYSMEM
#define CONFIG_SYS_EARLY_PCI_INIT
-#define CONFIG_DISPLAY_BOARDINFO_LATE
-#define CONFIG_DISPLAY_CPUINFO
-#define CONFIG_DM
-#define CONFIG_CMD_DM
-#define CONFIG_DM_GPIO
-#define CONFIG_DM_SERIAL
+#define CONFIG_SYS_CAR_ADDR 0x19200000
+#define CONFIG_SYS_CAR_SIZE (16 * 1024)
+#define CONFIG_SYS_MONITOR_LEN (256 * 1024)
-#define CONFIG_LMB
-#define CONFIG_OF_LIBFDT
+#define CONFIG_TRACE_EARLY_SIZE (8 << 20)
+#define CONFIG_TRACE_EARLY
+#define CONFIG_TRACE_EARLY_ADDR 0x01400000
#define CONFIG_BOOTSTAGE
#define CONFIG_BOOTSTAGE_REPORT
@@ -45,26 +40,6 @@
#define CONFIG_BOOTSTAGE_STASH_SIZE 0x7fc
#define CONFIG_BOOTSTAGE_USER_COUNT 60
-#define CONFIG_LZO
-#define CONFIG_FIT
-#undef CONFIG_ZLIB
-#undef CONFIG_GZIP
-#define CONFIG_SYS_BOOTM_LEN (16 << 20)
-
-/*-----------------------------------------------------------------------
- * Watchdog Configuration
- */
-#undef CONFIG_WATCHDOG
-#undef CONFIG_HW_WATCHDOG
-
-/* SATA AHCI storage */
-
-#define CONFIG_SCSI_AHCI
-
-#ifdef CONFIG_SCSI_AHCI
-#define CONFIG_LIBATA
-#define CONFIG_SYS_64BIT_LBA
-#define CONFIG_SATA_INTEL 1
#define CONFIG_SCSI_DEV_LIST {PCI_VENDOR_ID_INTEL, \
PCI_DEVICE_ID_INTEL_NM10_AHCI}, \
{PCI_VENDOR_ID_INTEL, \
@@ -74,249 +49,27 @@
{PCI_VENDOR_ID_INTEL, \
PCI_DEVICE_ID_INTEL_PANTHERPOINT_AHCI_MOBILE}
-#define CONFIG_SYS_SCSI_MAX_SCSI_ID 2
-#define CONFIG_SYS_SCSI_MAX_LUN 1
-#define CONFIG_SYS_SCSI_MAX_DEVICE (CONFIG_SYS_SCSI_MAX_SCSI_ID * \
- CONFIG_SYS_SCSI_MAX_LUN)
-#endif
-
-/* Generic TPM interfaced through LPC bus */
-#define CONFIG_TPM
-#define CONFIG_TPM_TIS_LPC
-#define CONFIG_TPM_TIS_BASE_ADDRESS 0xfed40000
-
-/*-----------------------------------------------------------------------
- * Real Time Clock Configuration
- */
-#define CONFIG_RTC_MC146818
-#define CONFIG_SYS_ISA_IO_BASE_ADDRESS 0
-#define CONFIG_SYS_ISA_IO CONFIG_SYS_ISA_IO_BASE_ADDRESS
-
-/*-----------------------------------------------------------------------
- * Serial Configuration
- */
#define CONFIG_COREBOOT_SERIAL
-#define CONFIG_SYS_NS16550
-#define CONFIG_BAUDRATE 115200
-#define CONFIG_SYS_BAUDRATE_TABLE {300, 600, 1200, 2400, 4800, \
- 9600, 19200, 38400, 115200}
-#define CONFIG_SYS_NS16550_PORT_MAPPED
#define CONFIG_STD_DEVICES_SETTINGS "stdin=usbkbd,vga,serial\0" \
"stdout=vga,serial,cbmem\0" \
"stderr=vga,serial,cbmem\0"
-#define CONFIG_CONSOLE_MUX
-#define CONFIG_SYS_CONSOLE_IS_IN_ENV
-#define CONFIG_SYS_STDIO_DEREGISTER
#define CONFIG_CBMEM_CONSOLE
-#define CONFIG_CMDLINE_EDITING
-#define CONFIG_COMMAND_HISTORY
-#define CONFIG_AUTO_COMPLETE
-#define CONFIG_SYS_HUSH_PARSER
-
-#define CONFIG_SUPPORT_VFAT
-/************************************************************
- * ATAPI support (experimental)
- ************************************************************/
-#define CONFIG_ATAPI
-
-/************************************************************
- * DISK Partition support
- ************************************************************/
-#define CONFIG_EFI_PARTITION
-#define CONFIG_DOS_PARTITION
-#define CONFIG_MAC_PARTITION
-#define CONFIG_ISO_PARTITION /* Experimental */
-
-#define CONFIG_CMD_PART
-#define CONFIG_CMD_CBFS
-#define CONFIG_CMD_EXT4
-#define CONFIG_CMD_EXT4_WRITE
-#define CONFIG_PARTITION_UUIDS
-
-/*-----------------------------------------------------------------------
- * Video Configuration
- */
-#define CONFIG_VIDEO
#define CONFIG_VIDEO_COREBOOT
-#define CONFIG_VIDEO_SW_CURSOR
-#define VIDEO_FB_16BPP_WORD_SWAP
-#define CONFIG_I8042_KBD
-#define CONFIG_CFB_CONSOLE
-#define CONFIG_SYS_CONSOLE_INFO_QUIET
-/* x86 GPIOs are accessed through a PCI device */
-#define CONFIG_INTEL_ICH6_GPIO
-
-/*-----------------------------------------------------------------------
- * Command line configuration.
- */
-#include <config_cmd_default.h>
+#define CONFIG_NR_DRAM_BANKS 4
#define CONFIG_TRACE
#define CONFIG_CMD_TRACE
#define CONFIG_TRACE_BUFFER_SIZE (16 << 20)
-#define CONFIG_TRACE_EARLY_SIZE (8 << 20)
-#define CONFIG_TRACE_EARLY
-#define CONFIG_TRACE_EARLY_ADDR 0x01400000
-
-#define CONFIG_CMD_BDI
-#define CONFIG_CMD_BOOTD
-#define CONFIG_CMD_CONSOLE
-#define CONFIG_CMD_DATE
-#define CONFIG_CMD_ECHO
-#undef CONFIG_CMD_FLASH
-#define CONFIG_CMD_FPGA
-#define CONFIG_CMD_FPGA_LOADMK
-#define CONFIG_CMD_GPIO
-#define CONFIG_CMD_IMI
-#undef CONFIG_CMD_IMLS
-#define CONFIG_CMD_IO
-#define CONFIG_CMD_IRQ
-#define CONFIG_CMD_ITEST
-#define CONFIG_CMD_LOADB
-#define CONFIG_CMD_LOADS
-#define CONFIG_CMD_MEMORY
-#define CONFIG_CMD_MISC
-#define CONFIG_CMD_NET
-#undef CONFIG_CMD_NFS
-#define CONFIG_CMD_PCI
-#define CONFIG_CMD_PING
-#define CONFIG_CMD_RUN
-#define CONFIG_CMD_SAVEENV
-#define CONFIG_CMD_SETGETDCR
-#define CONFIG_CMD_SOURCE
-#define CONFIG_CMD_TIME
-#define CONFIG_CMD_GETTIME
-#define CONFIG_CMD_XIMG
-#define CONFIG_CMD_SCSI
-
-#define CONFIG_CMD_FAT
-#define CONFIG_CMD_EXT2
-
-#define CONFIG_CMD_ZBOOT
-#define CONFIG_CMD_ELF
#define CONFIG_BOOTDELAY 2
-#define CONFIG_BOOTARGS \
- "root=/dev/sdb3 init=/sbin/init rootwait ro"
-#define CONFIG_BOOTCOMMAND \
- "ext2load scsi 0:3 01000000 /boot/vmlinuz; zboot 01000000"
-
-
-#if defined(CONFIG_CMD_KGDB)
-#define CONFIG_KGDB_BAUDRATE 115200
-#endif
-
-/*
- * Miscellaneous configurable options
- */
-#define CONFIG_SYS_LONGHELP
-#define CONFIG_SYS_CBSIZE 512
-#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
- sizeof(CONFIG_SYS_PROMPT) + \
- 16)
-#define CONFIG_SYS_MAXARGS 16
-#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
-
-#define CONFIG_SYS_MEMTEST_START 0x00100000
-#define CONFIG_SYS_MEMTEST_END 0x01000000
-#define CONFIG_SYS_LOAD_ADDR 0x20000000
-
-/*-----------------------------------------------------------------------
- * SDRAM Configuration
- */
-#define CONFIG_NR_DRAM_BANKS 4
-
-/* CONFIG_SYS_SDRAM_DRCTMCTL Overrides the following*/
-#undef CONFIG_SYS_SDRAM_PRECHARGE_DELAY
-#undef CONFIG_SYS_SDRAM_RAS_CAS_DELAY
-#undef CONFIG_SYS_SDRAM_CAS_LATENCY_2T
-#undef CONFIG_SYS_SDRAM_CAS_LATENCY_3T
-
-/*-----------------------------------------------------------------------
- * CPU Features
- */
-
-#define CONFIG_SYS_X86_TSC_TIMER
-#define CONFIG_SYS_PCAT_INTERRUPTS
-#define CONFIG_SYS_PCAT_TIMER
-#define CONFIG_SYS_NUM_IRQS 16
-
-/*-----------------------------------------------------------------------
- * Memory organization:
- * 32kB Stack
- * 16kB Cache-As-RAM @ 0x19200000
- * 256kB Monitor
- * (128kB + Environment Sector Size) malloc pool
- */
-#define CONFIG_SYS_STACK_SIZE (32 * 1024)
-#define CONFIG_SYS_CAR_ADDR 0x19200000
-#define CONFIG_SYS_CAR_SIZE (16 * 1024)
-#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
-#define CONFIG_SYS_MONITOR_LEN (256 * 1024)
-#define CONFIG_SYS_MALLOC_LEN (0x20000 + 128 * 1024)
-#define CONFIG_SYS_MALLOC_F_LEN (1 << 10)
-
-/* allow to overwrite serial and ethaddr */
-#define CONFIG_ENV_OVERWRITE
-
-/*-----------------------------------------------------------------------
- * FLASH configuration
- */
-#define CONFIG_ICH_SPI
-#define CONFIG_SPI_FLASH
-#define CONFIG_SPI_FLASH_MACRONIX
-#define CONFIG_SPI_FLASH_WINBOND
-#define CONFIG_SPI_FLASH_GIGADEVICE
-#define CONFIG_SYS_NO_FLASH
-#define CONFIG_CMD_SF
-#define CONFIG_CMD_SF_TEST
-#define CONFIG_CMD_SPI
-#define CONFIG_SPI
-
-/*-----------------------------------------------------------------------
- * Environment configuration
- */
-#define CONFIG_ENV_IS_NOWHERE
-#define CONFIG_ENV_SIZE 0x01000
-
-/*-----------------------------------------------------------------------
- * PCI configuration
- */
-#define CONFIG_PCI
#define CONFIG_CROS_EC
#define CONFIG_CROS_EC_LPC
#define CONFIG_CMD_CROS_EC
#define CONFIG_ARCH_EARLY_INIT_R
-/*-----------------------------------------------------------------------
- * USB configuration
- */
-#define CONFIG_USB_EHCI
-#define CONFIG_USB_EHCI_PCI
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 12
-#define CONFIG_USB_MAX_CONTROLLER_COUNT 2
-#define CONFIG_USB_STORAGE
-#define CONFIG_USB_KEYBOARD
-#define CONFIG_SYS_USB_EVENT_POLL
-
-#define CONFIG_USB_HOST_ETHER
-#define CONFIG_USB_ETHER_ASIX
-#define CONFIG_USB_ETHER_SMSC95XX
-#define CONFIG_TFTP_TSIZE
-#define CONFIG_CMD_DHCP
-#define CONFIG_BOOTP_BOOTFILESIZE
-#define CONFIG_BOOTP_BOOTPATH
-#define CONFIG_BOOTP_GATEWAY
-#define CONFIG_BOOTP_HOSTNAME
-
-#define CONFIG_CMD_USB
-
-#define CONFIG_EXTRA_ENV_SETTINGS \
- CONFIG_STD_DEVICES_SETTINGS
-
#endif /* __CONFIG_H */
diff --git a/include/configs/x86-common.h b/include/configs/x86-common.h
new file mode 100644
index 0000000..f16ae32
--- /dev/null
+++ b/include/configs/x86-common.h
@@ -0,0 +1,251 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * (C) Copyright 2008
+ * Graeme Russ, graeme.russ@gmail.com.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <asm/ibmpc.h>
+
+#ifndef __CONFIG_X86_COMMON_H
+#define __CONFIG_X86_COMMON_H
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+#define CONFIG_SHOW_BOOT_PROGRESS
+#define CONFIG_SYS_VSNPRINTF
+#define CONFIG_ZBOOT_32
+#define CONFIG_PHYSMEM
+#define CONFIG_DISPLAY_BOARDINFO_LATE
+#define CONFIG_DISPLAY_CPUINFO
+
+#define CONFIG_DM
+#define CONFIG_CMD_DM
+#define CONFIG_DM_GPIO
+#define CONFIG_DM_SERIAL
+
+#define CONFIG_LMB
+#define CONFIG_OF_LIBFDT
+
+#define CONFIG_LZO
+#define CONFIG_FIT
+#undef CONFIG_ZLIB
+#undef CONFIG_GZIP
+#define CONFIG_SYS_BOOTM_LEN (16 << 20)
+
+/* SATA AHCI storage */
+
+#define CONFIG_SCSI_AHCI
+#define CONFIG_SATA_INTEL
+#ifdef CONFIG_SCSI_AHCI
+#define CONFIG_LIBATA
+#define CONFIG_SYS_64BIT_LBA
+
+#define CONFIG_SYS_SCSI_MAX_SCSI_ID 2
+#define CONFIG_SYS_SCSI_MAX_LUN 1
+#define CONFIG_SYS_SCSI_MAX_DEVICE (CONFIG_SYS_SCSI_MAX_SCSI_ID * \
+ CONFIG_SYS_SCSI_MAX_LUN)
+#endif
+
+/* Generic TPM interfaced through LPC bus */
+#define CONFIG_TPM
+#define CONFIG_TPM_TIS_LPC
+#define CONFIG_TPM_TIS_BASE_ADDRESS 0xfed40000
+
+/*-----------------------------------------------------------------------
+ * Real Time Clock Configuration
+ */
+#define CONFIG_RTC_MC146818
+#define CONFIG_SYS_ISA_IO_BASE_ADDRESS 0
+#define CONFIG_SYS_ISA_IO CONFIG_SYS_ISA_IO_BASE_ADDRESS
+
+/*-----------------------------------------------------------------------
+ * Serial Configuration
+ */
+#define CONFIG_SYS_NS16550
+#define CONFIG_BAUDRATE 115200
+#define CONFIG_SYS_BAUDRATE_TABLE {300, 600, 1200, 2400, 4800, \
+ 9600, 19200, 38400, 115200}
+#define CONFIG_SYS_NS16550_PORT_MAPPED
+
+#define CONFIG_CONSOLE_MUX
+#define CONFIG_SYS_CONSOLE_IS_IN_ENV
+#define CONFIG_SYS_STDIO_DEREGISTER
+
+#define CONFIG_CMDLINE_EDITING
+#define CONFIG_COMMAND_HISTORY
+#define CONFIG_AUTO_COMPLETE
+#define CONFIG_SYS_HUSH_PARSER
+
+#define CONFIG_SUPPORT_VFAT
+/************************************************************
+ * ATAPI support (experimental)
+ ************************************************************/
+#define CONFIG_ATAPI
+
+/************************************************************
+ * DISK Partition support
+ ************************************************************/
+#define CONFIG_EFI_PARTITION
+#define CONFIG_DOS_PARTITION
+#define CONFIG_MAC_PARTITION
+#define CONFIG_ISO_PARTITION /* Experimental */
+
+#define CONFIG_CMD_PART
+#define CONFIG_CMD_CBFS
+#define CONFIG_CMD_EXT4
+#define CONFIG_CMD_EXT4_WRITE
+#define CONFIG_PARTITION_UUIDS
+
+#define CONFIG_SYS_CONSOLE_INFO_QUIET
+
+/* x86 GPIOs are accessed through a PCI device */
+#define CONFIG_INTEL_ICH6_GPIO
+
+/*-----------------------------------------------------------------------
+ * Command line configuration.
+ */
+#include <config_cmd_default.h>
+
+#define CONFIG_CMD_BDI
+#define CONFIG_CMD_BOOTD
+#define CONFIG_CMD_CONSOLE
+#define CONFIG_CMD_DATE
+#define CONFIG_CMD_ECHO
+#undef CONFIG_CMD_FLASH
+#define CONFIG_CMD_FPGA
+#define CONFIG_CMD_FPGA_LOADMK
+#define CONFIG_CMD_GPIO
+#define CONFIG_CMD_IMI
+#undef CONFIG_CMD_IMLS
+#define CONFIG_CMD_IO
+#define CONFIG_CMD_IRQ
+#define CONFIG_CMD_ITEST
+#define CONFIG_CMD_LOADB
+#define CONFIG_CMD_LOADS
+#define CONFIG_CMD_MEMORY
+#define CONFIG_CMD_MISC
+#define CONFIG_CMD_NET
+#undef CONFIG_CMD_NFS
+#define CONFIG_CMD_PCI
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_RUN
+#define CONFIG_CMD_SAVEENV
+#define CONFIG_CMD_SETGETDCR
+#define CONFIG_CMD_SOURCE
+#define CONFIG_CMD_TIME
+#define CONFIG_CMD_GETTIME
+#define CONFIG_CMD_XIMG
+#define CONFIG_CMD_SCSI
+
+#define CONFIG_CMD_FAT
+#define CONFIG_CMD_EXT2
+
+#define CONFIG_CMD_ZBOOT
+#define CONFIG_CMD_ELF
+
+#define CONFIG_BOOTARGS \
+ "root=/dev/sdb3 init=/sbin/init rootwait ro"
+#define CONFIG_BOOTCOMMAND \
+ "ext2load scsi 0:3 01000000 /boot/vmlinuz; zboot 01000000"
+
+#if defined(CONFIG_CMD_KGDB)
+#define CONFIG_KGDB_BAUDRATE 115200
+#endif
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CONFIG_SYS_LONGHELP
+#define CONFIG_SYS_CBSIZE 512
+#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
+ sizeof(CONFIG_SYS_PROMPT) + \
+ 16)
+#define CONFIG_SYS_MAXARGS 16
+#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
+
+#define CONFIG_SYS_MEMTEST_START 0x00100000
+#define CONFIG_SYS_MEMTEST_END 0x01000000
+#define CONFIG_SYS_LOAD_ADDR 0x20000000
+
+/*-----------------------------------------------------------------------
+ * Video Configuration
+ */
+#define CONFIG_VIDEO
+#define CONFIG_VIDEO_SW_CURSOR
+#define VIDEO_FB_16BPP_WORD_SWAP
+#define CONFIG_I8042_KBD
+#define CONFIG_CFB_CONSOLE
+
+/*-----------------------------------------------------------------------
+ * CPU Features
+ */
+
+#define CONFIG_SYS_X86_TSC_TIMER
+#define CONFIG_SYS_PCAT_INTERRUPTS
+#define CONFIG_SYS_PCAT_TIMER
+#define CONFIG_SYS_NUM_IRQS 16
+
+#define CONFIG_SYS_STACK_SIZE (32 * 1024)
+#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
+#define CONFIG_SYS_MALLOC_LEN 0x200000
+#define CONFIG_SYS_MALLOC_F_LEN (2 << 10)
+
+/* allow to overwrite serial and ethaddr */
+#define CONFIG_ENV_OVERWRITE
+
+/*-----------------------------------------------------------------------
+ * FLASH configuration
+ */
+#define CONFIG_ICH_SPI
+#define CONFIG_SPI_FLASH
+#define CONFIG_SPI_FLASH_MACRONIX
+#define CONFIG_SPI_FLASH_WINBOND
+#define CONFIG_SPI_FLASH_GIGADEVICE
+#define CONFIG_SYS_NO_FLASH
+#define CONFIG_CMD_SF
+#define CONFIG_CMD_SF_TEST
+#define CONFIG_CMD_SPI
+#define CONFIG_SPI
+
+/*-----------------------------------------------------------------------
+ * Environment configuration
+ */
+#define CONFIG_ENV_IS_NOWHERE
+#define CONFIG_ENV_SIZE 0x01000
+
+/*-----------------------------------------------------------------------
+ * PCI configuration
+ */
+#define CONFIG_PCI
+
+/*-----------------------------------------------------------------------
+ * USB configuration
+ */
+#define CONFIG_USB_EHCI
+#define CONFIG_USB_EHCI_PCI
+#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 12
+#define CONFIG_USB_MAX_CONTROLLER_COUNT 2
+#define CONFIG_USB_STORAGE
+#define CONFIG_USB_KEYBOARD
+#define CONFIG_SYS_USB_EVENT_POLL
+
+#define CONFIG_USB_HOST_ETHER
+#define CONFIG_USB_ETHER_ASIX
+#define CONFIG_USB_ETHER_SMSC95XX
+#define CONFIG_TFTP_TSIZE
+#define CONFIG_CMD_DHCP
+#define CONFIG_BOOTP_BOOTFILESIZE
+#define CONFIG_BOOTP_BOOTPATH
+#define CONFIG_BOOTP_GATEWAY
+#define CONFIG_BOOTP_HOSTNAME
+
+#define CONFIG_CMD_USB
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ CONFIG_STD_DEVICES_SETTINGS
+
+#endif /* __CONFIG_H */
diff --git a/include/fdtdec.h b/include/fdtdec.h
index 4ae77be..abfd678 100644
--- a/include/fdtdec.h
+++ b/include/fdtdec.h
@@ -118,6 +118,8 @@ enum fdt_compat_id {
COMPAT_SAMSUNG_EXYNOS_SYSMMU, /* Exynos sysmmu */
COMPAT_PARADE_PS8625, /* Parade PS8622 EDP->LVDS bridge */
COMPAT_INTEL_LPC, /* Intel Low Pin Count I/F */
+ COMPAT_INTEL_MICROCODE, /* Intel microcode update */
+ COMPAT_MEMORY_SPD, /* Memory SPD information */
COMPAT_COUNT,
};
@@ -445,6 +447,22 @@ int fdtdec_get_int_array(const void *blob, int node, const char *prop_name,
u32 *array, int count);
/**
+ * Look up a property in a node and return its contents in an integer
+ * array of given length. The property must exist but may have less data that
+ * expected (4*count bytes). It may have more, but this will be ignored.
+ *
+ * @param blob FDT blob
+ * @param node node to examine
+ * @param prop_name name of property to find
+ * @param array array to fill with data
+ * @param count number of array elements
+ * @return number of array elements if ok, or -FDT_ERR_NOTFOUND if the
+ * property is not found
+ */
+int fdtdec_get_int_array_count(const void *blob, int node,
+ const char *prop_name, u32 *array, int count);
+
+/**
* Look up a property in a node and return a pointer to its contents as a
* unsigned int array of given length. The property must have at least enough
* data for the array ('count' cells). It may have more, but this will be
diff --git a/lib/asm-offsets.c b/lib/asm-offsets.c
index 129bc3e..580f763 100644
--- a/lib/asm-offsets.c
+++ b/lib/asm-offsets.c
@@ -31,6 +31,9 @@ int main(void)
#ifdef CONFIG_SYS_MALLOC_F_LEN
DEFINE(GD_MALLOC_BASE, offsetof(struct global_data, malloc_base));
#endif
+#ifdef CONFIG_X86
+ DEFINE(GD_BIST, offsetof(struct global_data, arch.bist));
+#endif
#if defined(CONFIG_ARM)
diff --git a/lib/fdtdec.c b/lib/fdtdec.c
index 9714620..aafc4f9 100644
--- a/lib/fdtdec.c
+++ b/lib/fdtdec.c
@@ -73,6 +73,8 @@ static const char * const compat_names[COMPAT_COUNT] = {
COMPAT(SAMSUNG_EXYNOS_SYSMMU, "samsung,sysmmu-v3.3"),
COMPAT(PARADE_PS8625, "parade,ps8625"),
COMPAT(COMPAT_INTEL_LPC, "intel,lpc"),
+ COMPAT(INTEL_MICROCODE, "intel,microcode"),
+ COMPAT(MEMORY_SPD, "memory-spd"),
};
const char *fdtdec_get_compatible(enum fdt_compat_id id)
@@ -485,6 +487,26 @@ int fdtdec_get_int_array(const void *blob, int node, const char *prop_name,
return err;
}
+int fdtdec_get_int_array_count(const void *blob, int node,
+ const char *prop_name, u32 *array, int count)
+{
+ const u32 *cell;
+ int len, elems;
+ int i;
+
+ debug("%s: %s\n", __func__, prop_name);
+ cell = fdt_getprop(blob, node, prop_name, &len);
+ if (!cell)
+ return -FDT_ERR_NOTFOUND;
+ elems = len / sizeof(u32);
+ if (count > elems)
+ count = elems;
+ for (i = 0; i < count; i++)
+ array[i] = fdt32_to_cpu(cell[i]);
+
+ return count;
+}
+
const u32 *fdtdec_locate_array(const void *blob, int node,
const char *prop_name, int count)
{
diff --git a/tools/Makefile b/tools/Makefile
index c422b76..a4216a1 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -126,6 +126,8 @@ hostprogs-$(CONFIG_EXYNOS5250) += mkexynosspl
hostprogs-$(CONFIG_EXYNOS5420) += mkexynosspl
HOSTCFLAGS_mkexynosspl.o := -pedantic
+hostprogs-$(CONFIG_X86) += ifdtool
+
hostprogs-$(CONFIG_MX23) += mxsboot
hostprogs-$(CONFIG_MX28) += mxsboot
HOSTCFLAGS_mxsboot.o := -pedantic
diff --git a/tools/ifdtool.c b/tools/ifdtool.c
new file mode 100644
index 0000000..a4b481f
--- /dev/null
+++ b/tools/ifdtool.c
@@ -0,0 +1,1039 @@
+/*
+ * ifdtool - Manage Intel Firmware Descriptor information
+ *
+ * Copyright 2014 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ *
+ * From Coreboot project, but it got a serious code clean-up
+ * and a few new features
+ */
+
+#include <assert.h>
+#include <fcntl.h>
+#include <getopt.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include "ifdtool.h"
+
+#undef DEBUG
+
+#ifdef DEBUG
+#define debug(fmt, args...) printf(fmt, ##args)
+#else
+#define debug(fmt, args...)
+#endif
+
+#define FD_SIGNATURE 0x0FF0A55A
+#define FLREG_BASE(reg) ((reg & 0x00000fff) << 12);
+#define FLREG_LIMIT(reg) (((reg & 0x0fff0000) >> 4) | 0xfff);
+
+/**
+ * find_fd() - Find the flash description in the ROM image
+ *
+ * @image: Pointer to image
+ * @size: Size of image in bytes
+ * @return pointer to structure, or NULL if not found
+ */
+static struct fdbar_t *find_fd(char *image, int size)
+{
+ uint32_t *ptr, *end;
+
+ /* Scan for FD signature */
+ for (ptr = (uint32_t *)image, end = ptr + size / 4; ptr < end; ptr++) {
+ if (*ptr == FD_SIGNATURE)
+ break;
+ }
+
+ if (ptr == end) {
+ printf("No Flash Descriptor found in this image\n");
+ return NULL;
+ }
+
+ debug("Found Flash Descriptor signature at 0x%08x\n", i);
+
+ return (struct fdbar_t *)ptr;
+}
+
+/**
+ * get_region() - Get information about the selected region
+ *
+ * @frba: Flash region list
+ * @region_type: Type of region (0..MAX_REGIONS-1)
+ * @region: Region information is written here
+ * @return 0 if OK, else -ve
+ */
+static int get_region(struct frba_t *frba, int region_type,
+ struct region_t *region)
+{
+ if (region_type >= MAX_REGIONS) {
+ fprintf(stderr, "Invalid region type.\n");
+ return -1;
+ }
+
+ region->base = FLREG_BASE(frba->flreg[region_type]);
+ region->limit = FLREG_LIMIT(frba->flreg[region_type]);
+ region->size = region->limit - region->base + 1;
+
+ return 0;
+}
+
+static const char *region_name(int region_type)
+{
+ static const char *const regions[] = {
+ "Flash Descriptor",
+ "BIOS",
+ "Intel ME",
+ "GbE",
+ "Platform Data"
+ };
+
+ assert(region_type < MAX_REGIONS);
+
+ return regions[region_type];
+}
+
+static const char *region_filename(int region_type)
+{
+ static const char *const region_filenames[] = {
+ "flashregion_0_flashdescriptor.bin",
+ "flashregion_1_bios.bin",
+ "flashregion_2_intel_me.bin",
+ "flashregion_3_gbe.bin",
+ "flashregion_4_platform_data.bin"
+ };
+
+ assert(region_type < MAX_REGIONS);
+
+ return region_filenames[region_type];
+}
+
+static int dump_region(int num, struct frba_t *frba)
+{
+ struct region_t region;
+ int ret;
+
+ ret = get_region(frba, num, &region);
+ if (ret)
+ return ret;
+
+ printf(" Flash Region %d (%s): %08x - %08x %s\n",
+ num, region_name(num), region.base, region.limit,
+ region.size < 1 ? "(unused)" : "");
+
+ return ret;
+}
+
+static void dump_frba(struct frba_t *frba)
+{
+ int i;
+
+ printf("Found Region Section\n");
+ for (i = 0; i < MAX_REGIONS; i++) {
+ printf("FLREG%d: 0x%08x\n", i, frba->flreg[i]);
+ dump_region(i, frba);
+ }
+}
+
+static void decode_spi_frequency(unsigned int freq)
+{
+ switch (freq) {
+ case SPI_FREQUENCY_20MHZ:
+ printf("20MHz");
+ break;
+ case SPI_FREQUENCY_33MHZ:
+ printf("33MHz");
+ break;
+ case SPI_FREQUENCY_50MHZ:
+ printf("50MHz");
+ break;
+ default:
+ printf("unknown<%x>MHz", freq);
+ }
+}
+
+static void decode_component_density(unsigned int density)
+{
+ switch (density) {
+ case COMPONENT_DENSITY_512KB:
+ printf("512KiB");
+ break;
+ case COMPONENT_DENSITY_1MB:
+ printf("1MiB");
+ break;
+ case COMPONENT_DENSITY_2MB:
+ printf("2MiB");
+ break;
+ case COMPONENT_DENSITY_4MB:
+ printf("4MiB");
+ break;
+ case COMPONENT_DENSITY_8MB:
+ printf("8MiB");
+ break;
+ case COMPONENT_DENSITY_16MB:
+ printf("16MiB");
+ break;
+ default:
+ printf("unknown<%x>MiB", density);
+ }
+}
+
+static void dump_fcba(struct fcba_t *fcba)
+{
+ printf("\nFound Component Section\n");
+ printf("FLCOMP 0x%08x\n", fcba->flcomp);
+ printf(" Dual Output Fast Read Support: %ssupported\n",
+ (fcba->flcomp & (1 << 30)) ? "" : "not ");
+ printf(" Read ID/Read Status Clock Frequency: ");
+ decode_spi_frequency((fcba->flcomp >> 27) & 7);
+ printf("\n Write/Erase Clock Frequency: ");
+ decode_spi_frequency((fcba->flcomp >> 24) & 7);
+ printf("\n Fast Read Clock Frequency: ");
+ decode_spi_frequency((fcba->flcomp >> 21) & 7);
+ printf("\n Fast Read Support: %ssupported",
+ (fcba->flcomp & (1 << 20)) ? "" : "not ");
+ printf("\n Read Clock Frequency: ");
+ decode_spi_frequency((fcba->flcomp >> 17) & 7);
+ printf("\n Component 2 Density: ");
+ decode_component_density((fcba->flcomp >> 3) & 7);
+ printf("\n Component 1 Density: ");
+ decode_component_density(fcba->flcomp & 7);
+ printf("\n");
+ printf("FLILL 0x%08x\n", fcba->flill);
+ printf(" Invalid Instruction 3: 0x%02x\n",
+ (fcba->flill >> 24) & 0xff);
+ printf(" Invalid Instruction 2: 0x%02x\n",
+ (fcba->flill >> 16) & 0xff);
+ printf(" Invalid Instruction 1: 0x%02x\n",
+ (fcba->flill >> 8) & 0xff);
+ printf(" Invalid Instruction 0: 0x%02x\n",
+ fcba->flill & 0xff);
+ printf("FLPB 0x%08x\n", fcba->flpb);
+ printf(" Flash Partition Boundary Address: 0x%06x\n\n",
+ (fcba->flpb & 0xfff) << 12);
+}
+
+static void dump_fpsba(struct fpsba_t *fpsba)
+{
+ int i;
+
+ printf("Found PCH Strap Section\n");
+ for (i = 0; i < MAX_STRAPS; i++)
+ printf("PCHSTRP%-2d: 0x%08x\n", i, fpsba->pchstrp[i]);
+}
+
+static const char *get_enabled(int flag)
+{
+ return flag ? "enabled" : "disabled";
+}
+
+static void decode_flmstr(uint32_t flmstr)
+{
+ printf(" Platform Data Region Write Access: %s\n",
+ get_enabled(flmstr & (1 << 28)));
+ printf(" GbE Region Write Access: %s\n",
+ get_enabled(flmstr & (1 << 27)));
+ printf(" Intel ME Region Write Access: %s\n",
+ get_enabled(flmstr & (1 << 26)));
+ printf(" Host CPU/BIOS Region Write Access: %s\n",
+ get_enabled(flmstr & (1 << 25)));
+ printf(" Flash Descriptor Write Access: %s\n",
+ get_enabled(flmstr & (1 << 24)));
+
+ printf(" Platform Data Region Read Access: %s\n",
+ get_enabled(flmstr & (1 << 20)));
+ printf(" GbE Region Read Access: %s\n",
+ get_enabled(flmstr & (1 << 19)));
+ printf(" Intel ME Region Read Access: %s\n",
+ get_enabled(flmstr & (1 << 18)));
+ printf(" Host CPU/BIOS Region Read Access: %s\n",
+ get_enabled(flmstr & (1 << 17)));
+ printf(" Flash Descriptor Read Access: %s\n",
+ get_enabled(flmstr & (1 << 16)));
+
+ printf(" Requester ID: 0x%04x\n\n",
+ flmstr & 0xffff);
+}
+
+static void dump_fmba(struct fmba_t *fmba)
+{
+ printf("Found Master Section\n");
+ printf("FLMSTR1: 0x%08x (Host CPU/BIOS)\n", fmba->flmstr1);
+ decode_flmstr(fmba->flmstr1);
+ printf("FLMSTR2: 0x%08x (Intel ME)\n", fmba->flmstr2);
+ decode_flmstr(fmba->flmstr2);
+ printf("FLMSTR3: 0x%08x (GbE)\n", fmba->flmstr3);
+ decode_flmstr(fmba->flmstr3);
+}
+
+static void dump_fmsba(struct fmsba_t *fmsba)
+{
+ int i;
+
+ printf("Found Processor Strap Section\n");
+ for (i = 0; i < 4; i++)
+ printf("????: 0x%08x\n", fmsba->data[0]);
+}
+
+static void dump_jid(uint32_t jid)
+{
+ printf(" SPI Component Device ID 1: 0x%02x\n",
+ (jid >> 16) & 0xff);
+ printf(" SPI Component Device ID 0: 0x%02x\n",
+ (jid >> 8) & 0xff);
+ printf(" SPI Component Vendor ID: 0x%02x\n",
+ jid & 0xff);
+}
+
+static void dump_vscc(uint32_t vscc)
+{
+ printf(" Lower Erase Opcode: 0x%02x\n",
+ vscc >> 24);
+ printf(" Lower Write Enable on Write Status: 0x%02x\n",
+ vscc & (1 << 20) ? 0x06 : 0x50);
+ printf(" Lower Write Status Required: %s\n",
+ vscc & (1 << 19) ? "Yes" : "No");
+ printf(" Lower Write Granularity: %d bytes\n",
+ vscc & (1 << 18) ? 64 : 1);
+ printf(" Lower Block / Sector Erase Size: ");
+ switch ((vscc >> 16) & 0x3) {
+ case 0:
+ printf("256 Byte\n");
+ break;
+ case 1:
+ printf("4KB\n");
+ break;
+ case 2:
+ printf("8KB\n");
+ break;
+ case 3:
+ printf("64KB\n");
+ break;
+ }
+
+ printf(" Upper Erase Opcode: 0x%02x\n",
+ (vscc >> 8) & 0xff);
+ printf(" Upper Write Enable on Write Status: 0x%02x\n",
+ vscc & (1 << 4) ? 0x06 : 0x50);
+ printf(" Upper Write Status Required: %s\n",
+ vscc & (1 << 3) ? "Yes" : "No");
+ printf(" Upper Write Granularity: %d bytes\n",
+ vscc & (1 << 2) ? 64 : 1);
+ printf(" Upper Block / Sector Erase Size: ");
+ switch (vscc & 0x3) {
+ case 0:
+ printf("256 Byte\n");
+ break;
+ case 1:
+ printf("4KB\n");
+ break;
+ case 2:
+ printf("8KB\n");
+ break;
+ case 3:
+ printf("64KB\n");
+ break;
+ }
+}
+
+static void dump_vtba(struct vtba_t *vtba, int vtl)
+{
+ int i;
+ int num = (vtl >> 1) < 8 ? (vtl >> 1) : 8;
+
+ printf("ME VSCC table:\n");
+ for (i = 0; i < num; i++) {
+ printf(" JID%d: 0x%08x\n", i, vtba->entry[i].jid);
+ dump_jid(vtba->entry[i].jid);
+ printf(" VSCC%d: 0x%08x\n", i, vtba->entry[i].vscc);
+ dump_vscc(vtba->entry[i].vscc);
+ }
+ printf("\n");
+}
+
+static void dump_oem(uint8_t *oem)
+{
+ int i, j;
+ printf("OEM Section:\n");
+ for (i = 0; i < 4; i++) {
+ printf("%02x:", i << 4);
+ for (j = 0; j < 16; j++)
+ printf(" %02x", oem[(i<<4)+j]);
+ printf("\n");
+ }
+ printf("\n");
+}
+
+/**
+ * dump_fd() - Display a dump of the full flash description
+ *
+ * @image: Pointer to image
+ * @size: Size of image in bytes
+ * @return 0 if OK, -1 on error
+ */
+static int dump_fd(char *image, int size)
+{
+ struct fdbar_t *fdb = find_fd(image, size);
+
+ if (!fdb)
+ return -1;
+
+ printf("FLMAP0: 0x%08x\n", fdb->flmap0);
+ printf(" NR: %d\n", (fdb->flmap0 >> 24) & 7);
+ printf(" FRBA: 0x%x\n", ((fdb->flmap0 >> 16) & 0xff) << 4);
+ printf(" NC: %d\n", ((fdb->flmap0 >> 8) & 3) + 1);
+ printf(" FCBA: 0x%x\n", ((fdb->flmap0) & 0xff) << 4);
+
+ printf("FLMAP1: 0x%08x\n", fdb->flmap1);
+ printf(" ISL: 0x%02x\n", (fdb->flmap1 >> 24) & 0xff);
+ printf(" FPSBA: 0x%x\n", ((fdb->flmap1 >> 16) & 0xff) << 4);
+ printf(" NM: %d\n", (fdb->flmap1 >> 8) & 3);
+ printf(" FMBA: 0x%x\n", ((fdb->flmap1) & 0xff) << 4);
+
+ printf("FLMAP2: 0x%08x\n", fdb->flmap2);
+ printf(" PSL: 0x%04x\n", (fdb->flmap2 >> 8) & 0xffff);
+ printf(" FMSBA: 0x%x\n", ((fdb->flmap2) & 0xff) << 4);
+
+ printf("FLUMAP1: 0x%08x\n", fdb->flumap1);
+ printf(" Intel ME VSCC Table Length (VTL): %d\n",
+ (fdb->flumap1 >> 8) & 0xff);
+ printf(" Intel ME VSCC Table Base Address (VTBA): 0x%06x\n\n",
+ (fdb->flumap1 & 0xff) << 4);
+ dump_vtba((struct vtba_t *)
+ (image + ((fdb->flumap1 & 0xff) << 4)),
+ (fdb->flumap1 >> 8) & 0xff);
+ dump_oem((uint8_t *)image + 0xf00);
+ dump_frba((struct frba_t *)(image + (((fdb->flmap0 >> 16) & 0xff)
+ << 4)));
+ dump_fcba((struct fcba_t *)(image + (((fdb->flmap0) & 0xff) << 4)));
+ dump_fpsba((struct fpsba_t *)
+ (image + (((fdb->flmap1 >> 16) & 0xff) << 4)));
+ dump_fmba((struct fmba_t *)(image + (((fdb->flmap1) & 0xff) << 4)));
+ dump_fmsba((struct fmsba_t *)(image + (((fdb->flmap2) & 0xff) << 4)));
+
+ return 0;
+}
+
+/**
+ * write_regions() - Write each region from an image to its own file
+ *
+ * The filename to use in each case is fixed - see region_filename()
+ *
+ * @image: Pointer to image
+ * @size: Size of image in bytes
+ * @return 0 if OK, -ve on error
+ */
+static int write_regions(char *image, int size)
+{
+ struct fdbar_t *fdb;
+ struct frba_t *frba;
+ int ret = 0;
+ int i;
+
+ fdb = find_fd(image, size);
+ if (!fdb)
+ return -1;
+
+ frba = (struct frba_t *)(image + (((fdb->flmap0 >> 16) & 0xff) << 4));
+
+ for (i = 0; i < MAX_REGIONS; i++) {
+ struct region_t region;
+ int region_fd;
+
+ ret = get_region(frba, i, &region);
+ if (ret)
+ return ret;
+ dump_region(i, frba);
+ if (region.size == 0)
+ continue;
+ region_fd = open(region_filename(i),
+ O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR |
+ S_IWUSR | S_IRGRP | S_IROTH);
+ if (write(region_fd, image + region.base, region.size) !=
+ region.size) {
+ perror("Error while writing");
+ ret = -1;
+ }
+ close(region_fd);
+ }
+
+ return ret;
+}
+
+/**
+ * write_image() - Write the image to a file
+ *
+ * @filename: Filename to use for the image
+ * @image: Pointer to image
+ * @size: Size of image in bytes
+ * @return 0 if OK, -ve on error
+ */
+static int write_image(char *filename, char *image, int size)
+{
+ int new_fd;
+
+ debug("Writing new image to %s\n", filename);
+
+ new_fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR |
+ S_IWUSR | S_IRGRP | S_IROTH);
+ if (write(new_fd, image, size) != size) {
+ perror("Error while writing");
+ return -1;
+ }
+ close(new_fd);
+
+ return 0;
+}
+
+/**
+ * set_spi_frequency() - Set the SPI frequency to use when booting
+ *
+ * Several frequencies are supported, some of which work with fast devices.
+ * For SPI emulators, the slowest (SPI_FREQUENCY_20MHZ) is often used. The
+ * Intel boot system uses this information somehow on boot.
+ *
+ * The image is updated with the supplied value
+ *
+ * @image: Pointer to image
+ * @size: Size of image in bytes
+ * @freq: SPI frequency to use
+ */
+static void set_spi_frequency(char *image, int size, enum spi_frequency freq)
+{
+ struct fdbar_t *fdb = find_fd(image, size);
+ struct fcba_t *fcba;
+
+ fcba = (struct fcba_t *)(image + (((fdb->flmap0) & 0xff) << 4));
+
+ /* clear bits 21-29 */
+ fcba->flcomp &= ~0x3fe00000;
+ /* Read ID and Read Status Clock Frequency */
+ fcba->flcomp |= freq << 27;
+ /* Write and Erase Clock Frequency */
+ fcba->flcomp |= freq << 24;
+ /* Fast Read Clock Frequency */
+ fcba->flcomp |= freq << 21;
+}
+
+/**
+ * set_em100_mode() - Set a SPI frequency that will work with Dediprog EM100
+ *
+ * @image: Pointer to image
+ * @size: Size of image in bytes
+ */
+static void set_em100_mode(char *image, int size)
+{
+ struct fdbar_t *fdb = find_fd(image, size);
+ struct fcba_t *fcba;
+
+ fcba = (struct fcba_t *)(image + (((fdb->flmap0) & 0xff) << 4));
+ fcba->flcomp &= ~(1 << 30);
+ set_spi_frequency(image, size, SPI_FREQUENCY_20MHZ);
+}
+
+/**
+ * lock_descriptor() - Lock the NE descriptor so it cannot be updated
+ *
+ * @image: Pointer to image
+ * @size: Size of image in bytes
+ */
+static void lock_descriptor(char *image, int size)
+{
+ struct fdbar_t *fdb = find_fd(image, size);
+ struct fmba_t *fmba;
+
+ /*
+ * TODO: Dynamically take Platform Data Region and GbE Region into
+ * account.
+ */
+ fmba = (struct fmba_t *)(image + (((fdb->flmap1) & 0xff) << 4));
+ fmba->flmstr1 = 0x0a0b0000;
+ fmba->flmstr2 = 0x0c0d0000;
+ fmba->flmstr3 = 0x08080118;
+}
+
+/**
+ * unlock_descriptor() - Lock the NE descriptor so it can be updated
+ *
+ * @image: Pointer to image
+ * @size: Size of image in bytes
+ */
+static void unlock_descriptor(char *image, int size)
+{
+ struct fdbar_t *fdb = find_fd(image, size);
+ struct fmba_t *fmba;
+
+ fmba = (struct fmba_t *)(image + (((fdb->flmap1) & 0xff) << 4));
+ fmba->flmstr1 = 0xffff0000;
+ fmba->flmstr2 = 0xffff0000;
+ fmba->flmstr3 = 0x08080118;
+}
+
+/**
+ * open_for_read() - Open a file for reading
+ *
+ * @fname: Filename to open
+ * @sizep: Returns file size in bytes
+ * @return 0 if OK, -1 on error
+ */
+int open_for_read(const char *fname, int *sizep)
+{
+ int fd = open(fname, O_RDONLY);
+ struct stat buf;
+
+ if (fd == -1) {
+ perror("Could not open file");
+ return -1;
+ }
+ if (fstat(fd, &buf) == -1) {
+ perror("Could not stat file");
+ return -1;
+ }
+ *sizep = buf.st_size;
+ debug("File %s is %d bytes\n", fname, *sizep);
+
+ return fd;
+}
+
+/**
+ * inject_region() - Add a file to an image region
+ *
+ * This puts a file into a particular region of the flash. Several pre-defined
+ * regions are used.
+ *
+ * @image: Pointer to image
+ * @size: Size of image in bytes
+ * @region_type: Region where the file should be added
+ * @region_fname: Filename to add to the image
+ * @return 0 if OK, -ve on error
+ */
+int inject_region(char *image, int size, int region_type, char *region_fname)
+{
+ struct fdbar_t *fdb = find_fd(image, size);
+ struct region_t region;
+ struct frba_t *frba;
+ int region_size;
+ int offset = 0;
+ int region_fd;
+ int ret;
+
+ if (!fdb)
+ exit(EXIT_FAILURE);
+ frba = (struct frba_t *)(image + (((fdb->flmap0 >> 16) & 0xff) << 4));
+
+ ret = get_region(frba, region_type, &region);
+ if (ret)
+ return -1;
+ if (region.size <= 0xfff) {
+ fprintf(stderr, "Region %s is disabled in target. Not injecting.\n",
+ region_name(region_type));
+ return -1;
+ }
+
+ region_fd = open_for_read(region_fname, &region_size);
+ if (region_fd < 0)
+ return region_fd;
+
+ if ((region_size > region.size) ||
+ ((region_type != 1) && (region_size > region.size))) {
+ fprintf(stderr, "Region %s is %d(0x%x) bytes. File is %d(0x%x) bytes. Not injecting.\n",
+ region_name(region_type), region.size,
+ region.size, region_size, region_size);
+ return -1;
+ }
+
+ if ((region_type == 1) && (region_size < region.size)) {
+ fprintf(stderr, "Region %s is %d(0x%x) bytes. File is %d(0x%x) bytes. Padding before injecting.\n",
+ region_name(region_type), region.size,
+ region.size, region_size, region_size);
+ offset = region.size - region_size;
+ memset(image + region.base, 0xff, offset);
+ }
+
+ if (size < region.base + offset + region_size) {
+ fprintf(stderr, "Output file is too small. (%d < %d)\n",
+ size, region.base + offset + region_size);
+ return -1;
+ }
+
+ if (read(region_fd, image + region.base + offset, region_size)
+ != region_size) {
+ perror("Could not read file");
+ return -1;
+ }
+
+ close(region_fd);
+
+ debug("Adding %s as the %s section\n", region_fname,
+ region_name(region_type));
+
+ return 0;
+}
+
+/**
+ * write_data() - Write some raw data into a region
+ *
+ * This puts a file into a particular place in the flash, ignoring the
+ * regions. Be careful not to overwrite something important.
+ *
+ * @image: Pointer to image
+ * @size: Size of image in bytes
+ * @addr: x86 ROM address to put file. The ROM ends at
+ * 0xffffffff so use an address relative to that. For an
+ * 8MB ROM the start address is 0xfff80000.
+ * @write_fname: Filename to add to the image
+ * @return 0 if OK, -ve on error
+ */
+static int write_data(char *image, int size, unsigned int addr,
+ const char *write_fname)
+{
+ int write_fd, write_size;
+ int offset;
+
+ write_fd = open_for_read(write_fname, &write_size);
+ if (write_fd < 0)
+ return write_fd;
+
+ offset = addr + size;
+ debug("Writing %s to offset %#x\n", write_fname, offset);
+
+ if (offset < 0 || offset + write_size > size) {
+ fprintf(stderr, "Output file is too small. (%d < %d)\n",
+ size, offset + write_size);
+ return -1;
+ }
+
+ if (read(write_fd, image + offset, write_size) != write_size) {
+ perror("Could not read file");
+ return -1;
+ }
+
+ close(write_fd);
+
+ return 0;
+}
+
+static void print_version(void)
+{
+ printf("ifdtool v%s -- ", IFDTOOL_VERSION);
+ printf("Copyright (C) 2014 Google Inc.\n\n");
+ printf("SPDX-License-Identifier: GPL-2.0+\n");
+}
+
+static void print_usage(const char *name)
+{
+ printf("usage: %s [-vhdix?] <filename> [<outfile>]\n", name);
+ printf("\n"
+ " -d | --dump: dump intel firmware descriptor\n"
+ " -x | --extract: extract intel fd modules\n"
+ " -i | --inject <region>:<module> inject file <module> into region <region>\n"
+ " -w | --write <addr>:<file> write file to appear at memory address <addr>\n"
+ " -s | --spifreq <20|33|50> set the SPI frequency\n"
+ " -e | --em100 set SPI frequency to 20MHz and disable\n"
+ " Dual Output Fast Read Support\n"
+ " -l | --lock Lock firmware descriptor and ME region\n"
+ " -u | --unlock Unlock firmware descriptor and ME region\n"
+ " -r | --romsize Specify ROM size\n"
+ " -D | --write-descriptor <file> Write descriptor at base\n"
+ " -c | --create Create a new empty image\n"
+ " -v | --version: print the version\n"
+ " -h | --help: print this help\n\n"
+ "<region> is one of Descriptor, BIOS, ME, GbE, Platform\n"
+ "\n");
+}
+
+/**
+ * get_two_words() - Convert a string into two words separated by :
+ *
+ * The supplied string is split at ':', two substrings are allocated and
+ * returned.
+ *
+ * @str: String to split
+ * @firstp: Returns first string
+ * @secondp: Returns second string
+ * @return 0 if OK, -ve if @str does not have a :
+ */
+static int get_two_words(const char *str, char **firstp, char **secondp)
+{
+ const char *p;
+
+ p = strchr(str, ':');
+ if (!p)
+ return -1;
+ *firstp = strdup(str);
+ (*firstp)[p - str] = '\0';
+ *secondp = strdup(p + 1);
+
+ return 0;
+}
+
+int main(int argc, char *argv[])
+{
+ int opt, option_index = 0;
+ int mode_dump = 0, mode_extract = 0, mode_inject = 0;
+ int mode_spifreq = 0, mode_em100 = 0, mode_locked = 0;
+ int mode_unlocked = 0, mode_write = 0, mode_write_descriptor = 0;
+ int create = 0;
+ char *region_type_string = NULL, *src_fname = NULL;
+ char *addr_str = NULL;
+ int region_type = -1, inputfreq = 0;
+ enum spi_frequency spifreq = SPI_FREQUENCY_20MHZ;
+ unsigned int addr = 0;
+ int rom_size = -1;
+ bool write_it;
+ char *filename;
+ char *outfile = NULL;
+ struct stat buf;
+ int size = 0;
+ int bios_fd;
+ char *image;
+ int ret;
+ static struct option long_options[] = {
+ {"create", 0, NULL, 'c'},
+ {"dump", 0, NULL, 'd'},
+ {"descriptor", 1, NULL, 'D'},
+ {"em100", 0, NULL, 'e'},
+ {"extract", 0, NULL, 'x'},
+ {"inject", 1, NULL, 'i'},
+ {"lock", 0, NULL, 'l'},
+ {"romsize", 1, NULL, 'r'},
+ {"spifreq", 1, NULL, 's'},
+ {"unlock", 0, NULL, 'u'},
+ {"write", 1, NULL, 'w'},
+ {"version", 0, NULL, 'v'},
+ {"help", 0, NULL, 'h'},
+ {0, 0, 0, 0}
+ };
+
+ while ((opt = getopt_long(argc, argv, "cdD:ehi:lr:s:uvw:x?",
+ long_options, &option_index)) != EOF) {
+ switch (opt) {
+ case 'c':
+ create = 1;
+ break;
+ case 'd':
+ mode_dump = 1;
+ break;
+ case 'D':
+ mode_write_descriptor = 1;
+ src_fname = optarg;
+ break;
+ case 'e':
+ mode_em100 = 1;
+ break;
+ case 'i':
+ if (get_two_words(optarg, &region_type_string,
+ &src_fname)) {
+ print_usage(argv[0]);
+ exit(EXIT_FAILURE);
+ }
+ if (!strcasecmp("Descriptor", region_type_string))
+ region_type = 0;
+ else if (!strcasecmp("BIOS", region_type_string))
+ region_type = 1;
+ else if (!strcasecmp("ME", region_type_string))
+ region_type = 2;
+ else if (!strcasecmp("GbE", region_type_string))
+ region_type = 3;
+ else if (!strcasecmp("Platform", region_type_string))
+ region_type = 4;
+ if (region_type == -1) {
+ fprintf(stderr, "No such region type: '%s'\n\n",
+ region_type_string);
+ print_usage(argv[0]);
+ exit(EXIT_FAILURE);
+ }
+ mode_inject = 1;
+ break;
+ case 'l':
+ mode_locked = 1;
+ break;
+ case 'r':
+ rom_size = strtol(optarg, NULL, 0);
+ debug("ROM size %d\n", rom_size);
+ break;
+ case 's':
+ /* Parse the requested SPI frequency */
+ inputfreq = strtol(optarg, NULL, 0);
+ switch (inputfreq) {
+ case 20:
+ spifreq = SPI_FREQUENCY_20MHZ;
+ break;
+ case 33:
+ spifreq = SPI_FREQUENCY_33MHZ;
+ break;
+ case 50:
+ spifreq = SPI_FREQUENCY_50MHZ;
+ break;
+ default:
+ fprintf(stderr, "Invalid SPI Frequency: %d\n",
+ inputfreq);
+ print_usage(argv[0]);
+ exit(EXIT_FAILURE);
+ }
+ mode_spifreq = 1;
+ break;
+ case 'u':
+ mode_unlocked = 1;
+ break;
+ case 'v':
+ print_version();
+ exit(EXIT_SUCCESS);
+ break;
+ case 'w':
+ mode_write = 1;
+ if (get_two_words(optarg, &addr_str, &src_fname)) {
+ print_usage(argv[0]);
+ exit(EXIT_FAILURE);
+ }
+ addr = strtol(optarg, NULL, 0);
+ break;
+ case 'x':
+ mode_extract = 1;
+ break;
+ case 'h':
+ case '?':
+ default:
+ print_usage(argv[0]);
+ exit(EXIT_SUCCESS);
+ break;
+ }
+ }
+
+ if (mode_locked == 1 && mode_unlocked == 1) {
+ fprintf(stderr, "Locking/Unlocking FD and ME are mutually exclusive\n");
+ exit(EXIT_FAILURE);
+ }
+
+ if (mode_inject == 1 && mode_write == 1) {
+ fprintf(stderr, "Inject/Write are mutually exclusive\n");
+ exit(EXIT_FAILURE);
+ }
+
+ if ((mode_dump + mode_extract + mode_inject +
+ (mode_spifreq | mode_em100 | mode_unlocked |
+ mode_locked)) > 1) {
+ fprintf(stderr, "You may not specify more than one mode.\n\n");
+ print_usage(argv[0]);
+ exit(EXIT_FAILURE);
+ }
+
+ if ((mode_dump + mode_extract + mode_inject + mode_spifreq +
+ mode_em100 + mode_locked + mode_unlocked + mode_write +
+ mode_write_descriptor) == 0 && !create) {
+ fprintf(stderr, "You need to specify a mode.\n\n");
+ print_usage(argv[0]);
+ exit(EXIT_FAILURE);
+ }
+
+ if (create && rom_size == -1) {
+ fprintf(stderr, "You need to specify a rom size when creating.\n\n");
+ exit(EXIT_FAILURE);
+ }
+
+ if (optind + 1 != argc) {
+ fprintf(stderr, "You need to specify a file.\n\n");
+ print_usage(argv[0]);
+ exit(EXIT_FAILURE);
+ }
+
+ filename = argv[optind];
+ if (optind + 2 != argc)
+ outfile = argv[optind + 1];
+
+ if (create)
+ bios_fd = open(filename, O_WRONLY | O_CREAT, 0666);
+ else
+ bios_fd = open(filename, outfile ? O_RDONLY : O_RDWR);
+
+ if (bios_fd == -1) {
+ perror("Could not open file");
+ exit(EXIT_FAILURE);
+ }
+
+ if (!create) {
+ if (fstat(bios_fd, &buf) == -1) {
+ perror("Could not stat file");
+ exit(EXIT_FAILURE);
+ }
+ size = buf.st_size;
+ }
+
+ debug("File %s is %d bytes\n", filename, size);
+
+ if (rom_size == -1)
+ rom_size = size;
+
+ image = malloc(rom_size);
+ if (!image) {
+ printf("Out of memory.\n");
+ exit(EXIT_FAILURE);
+ }
+
+ memset(image, '\xff', rom_size);
+ if (!create && read(bios_fd, image, size) != size) {
+ perror("Could not read file");
+ exit(EXIT_FAILURE);
+ }
+ if (size != rom_size) {
+ debug("ROM size changed to %d bytes\n", rom_size);
+ size = rom_size;
+ }
+
+ write_it = true;
+ ret = 0;
+ if (mode_dump) {
+ ret = dump_fd(image, size);
+ write_it = false;
+ }
+
+ if (mode_extract) {
+ ret = write_regions(image, size);
+ write_it = false;
+ }
+
+ if (mode_write_descriptor)
+ ret = write_data(image, size, -size, src_fname);
+
+ if (mode_inject)
+ ret = inject_region(image, size, region_type, src_fname);
+
+ if (mode_write)
+ ret = write_data(image, size, addr, src_fname);
+
+ if (mode_spifreq)
+ set_spi_frequency(image, size, spifreq);
+
+ if (mode_em100)
+ set_em100_mode(image, size);
+
+ if (mode_locked)
+ lock_descriptor(image, size);
+
+ if (mode_unlocked)
+ unlock_descriptor(image, size);
+
+ if (write_it) {
+ if (outfile) {
+ ret = write_image(outfile, image, size);
+ } else {
+ if (lseek(bios_fd, 0, SEEK_SET)) {
+ perror("Error while seeking");
+ ret = -1;
+ }
+ if (write(bios_fd, image, size) != size) {
+ perror("Error while writing");
+ ret = -1;
+ }
+ }
+ }
+
+ free(image);
+ close(bios_fd);
+
+ return ret ? 1 : 0;
+}
diff --git a/tools/ifdtool.h b/tools/ifdtool.h
new file mode 100644
index 0000000..fbec421
--- /dev/null
+++ b/tools/ifdtool.h
@@ -0,0 +1,88 @@
+/*
+ * ifdtool - Manage Intel Firmware Descriptor information
+ *
+ * Copyright (C) 2011 The ChromiumOS Authors.
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ *
+ * From Coreboot project
+ */
+
+#include <stdint.h>
+
+#define __packed __attribute__((packed))
+
+#define IFDTOOL_VERSION "1.1-U-Boot"
+
+enum spi_frequency {
+ SPI_FREQUENCY_20MHZ = 0,
+ SPI_FREQUENCY_33MHZ = 1,
+ SPI_FREQUENCY_50MHZ = 4,
+};
+
+enum component_density {
+ COMPONENT_DENSITY_512KB = 0,
+ COMPONENT_DENSITY_1MB = 1,
+ COMPONENT_DENSITY_2MB = 2,
+ COMPONENT_DENSITY_4MB = 3,
+ COMPONENT_DENSITY_8MB = 4,
+ COMPONENT_DENSITY_16MB = 5,
+};
+
+/* flash descriptor */
+struct __packed fdbar_t {
+ uint32_t flvalsig;
+ uint32_t flmap0;
+ uint32_t flmap1;
+ uint32_t flmap2;
+ uint8_t reserved[0xefc - 0x20];
+ uint32_t flumap1;
+};
+
+#define MAX_REGIONS 5
+
+/* regions */
+struct __packed frba_t {
+ uint32_t flreg[MAX_REGIONS];
+};
+
+/* component section */
+struct __packed fcba_t {
+ uint32_t flcomp;
+ uint32_t flill;
+ uint32_t flpb;
+};
+
+#define MAX_STRAPS 18
+
+/* pch strap */
+struct __packed fpsba_t {
+ uint32_t pchstrp[MAX_STRAPS];
+};
+
+/* master */
+struct __packed fmba_t {
+ uint32_t flmstr1;
+ uint32_t flmstr2;
+ uint32_t flmstr3;
+};
+
+/* processor strap */
+struct __packed fmsba_t {
+ uint32_t data[8];
+};
+
+/* ME VSCC */
+struct vscc_t {
+ uint32_t jid;
+ uint32_t vscc;
+};
+
+struct vtba_t {
+ /* Actual number of entries specified in vtl */
+ struct vscc_t entry[8];
+};
+
+struct region_t {
+ int base, limit, size;
+};