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authorLinus Torvalds <torvalds@linux-foundation.org>2016-05-19 17:02:26 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2016-05-19 17:02:26 (GMT)
commit07b75260ebc2c789724c594d7eaf0194fa47b3be (patch)
treed88b770bca479789e688d95e50aacd5d09b59b21 /arch/mips/cavium-octeon/executive/cvmx-sysinfo.c
parent0efacbbaee1e94e9942da0912f5b46ffd45a74bd (diff)
parent6e4ad1b413604b9130bdbe532aafdbd47ff5318e (diff)
downloadlinux-07b75260ebc2c789724c594d7eaf0194fa47b3be.tar.xz
Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS updates from Ralf Baechle: "This is the main pull request for MIPS for 4.7. Here's the summary of the changes: - ATH79: Support for DTB passuing using the UHI boot protocol - ATH79: Remove support for builtin DTB. - ATH79: Add zboot debug serial support. - ATH79: Add initial support for Dragino MS14 (Dragine 2), Onion Omega and DPT-Module. - ATH79: Update devicetree clock support for AR9132 and AR9331. - ATH79: Cleanup the DT code. - ATH79: Support newer SOCs in ath79_ddr_ctrl_init. - ATH79: Fix regression in PCI window initialization. - BCM47xx: Move SPROM driver to drivers/firmware/ - BCM63xx: Enable partition parser in defconfig. - BMIPS: BMIPS5000 has I cache filing from D cache - BMIPS: BMIPS: Add cpu-feature-overrides.h - BMIPS: Add Whirlwind support - BMIPS: Adjust mips-hpt-frequency for BCM7435 - BMIPS: Remove maxcpus from BCM97435SVMB DTS - BMIPS: Add missing 7038 L1 register cells to BCM7435 - BMIPS: Various tweaks to initialization code. - BMIPS: Enable partition parser in defconfig. - BMIPS: Cache tweaks. - BMIPS: Add UART, I2C and SATA devices to DT. - BMIPS: Add BCM6358 and BCM63268support - BMIPS: Add device tree example for BCM6358. - BMIPS: Improve Improve BCM6328 and BCM6368 device trees - Lantiq: Add support for device tree file from boot loader - Lantiq: Allow build with no built-in DT. - Loongson 3: Reserve 32MB for RS780E integrated GPU. - Loongson 3: Fix build error after ld-version.sh modification - Loongson 3: Move chipset ACPI code from drivers to arch. - Loongson 3: Speedup irq processing. - Loongson 3: Add basic Loongson 3A support. - Loongson 3: Set cache flush handlers to nop. - Loongson 3: Invalidate special TLBs when needed. - Loongson 3: Fast TLB refill handler. - MT7620: Fallback strategy for invalid syscfg0. - Netlogic: Fix CP0_EBASE redefinition warnings - Octeon: Initialization fixes - Octeon: Add DTS files for the D-Link DSR-1000N and EdgeRouter Lite - Octeon: Enable add Octeon-drivers in cavium_octeon_defconfig - Octeon: Correctly handle endian-swapped initramfs images. - Octeon: Support CN73xx, CN75xx and CN78xx. - Octeon: Remove dead code from cvmx-sysinfo. - Octeon: Extend number of supported CPUs past 32. - Octeon: Remove some code limiting NR_IRQS to 255. - Octeon: Simplify octeon_irq_ciu_gpio_set_type. - Octeon: Mark some functions __init in smp.c - Octeon: Octeon: Add Octeon III CN7xxx interface detection - PIC32: Add serial driver and bindings for it. - PIC32: Add PIC32 deadman timer driver and bindings. - PIC32: Add PIC32 clock timer driver and bindings. - Pistachio: Determine SoC revision during boot - Sibyte: Fix Kconfig dependencies of SIBYTE_BUS_WATCHER. - Sibyte: Strip redundant comments from bcm1480_regs.h. - Panic immediately if panic_on_oops is set. - module: fix incorrect IS_ERR_VALUE macro usage. - module: Make consistent use of pr_* - Remove no longer needed work_on_cpu() call. - Remove CONFIG_IPV6_PRIVACY from defconfigs. - Fix registers of non-crashing CPUs in dumps. - Handle MIPSisms in new vmcore_elf32_check_arch. - Select CONFIG_HANDLE_DOMAIN_IRQ and make it work. - Allow RIXI to be used on non-R2 or R6 cores. - Reserve nosave data for hibernation - Fix siginfo.h to use strict POSIX types. - Don't unwind user mode with EVA. - Fix watchpoint restoration - Ptrace watchpoints for R6. - Sync icache when it fills from dcache - I6400 I-cache fills from dcache. - Various MSA fixes. - Cleanup MIPS_CPU_* definitions. - Signal: Move generic copy_siginfo to signal.h - Signal: Fix uapi include in exported asm/siginfo.h - Timer fixes for sake of KVM. - XPA TLB refill fixes. - Treat perf counter feature - Update John Crispin's email address - Add PIC32 watchdog and bindings. - Handle R10000 LL/SC bug in set_pte() - cpufreq: Various fixes for Longson1. - R6: Fix R2 emulation. - mathemu: Cosmetic fix to ADDIUPC emulation, plenty of other small fixes - ELF: ABI and FP fixes. - Allow for relocatable kernel and use that to support KASLR. - Fix CPC_BASE_ADDR mask - Plenty fo smp-cps, CM, R6 and M6250 fixes. - Make reset_control_ops const. - Fix kernel command line handling of leading whitespace. - Cleanups to cache handling. - Add brcm, bcm6345-l1-intc device tree bindings. - Use generic clkdev.h header - Remove CLK_IS_ROOT usage. - Misc small cleanups. - CM: Fix compilation error when !MIPS_CM - oprofile: Fix a preemption issue - Detect DSP ASE v3 support:1" * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (275 commits) MIPS: pic32mzda: fix getting timer clock rate. MIPS: ath79: fix regression in PCI window initialization MIPS: ath79: make ath79_ddr_ctrl_init() compatible for newer SoCs MIPS: Fix VZ probe gas errors with binutils <2.24 MIPS: perf: Fix I6400 event numbers MIPS: DEC: Export `ioasic_ssr_lock' to modules MIPS: MSA: Fix a link error on `_init_msa_upper' with older GCC MIPS: CM: Fix compilation error when !MIPS_CM MIPS: Fix genvdso error on rebuild USB: ohci-jz4740: Remove obsolete driver MIPS: JZ4740: Probe OHCI platform device via DT MIPS: JZ4740: Qi LB60: Remove support for AVT2 variant MIPS: pistachio: Determine SoC revision during boot MIPS: BMIPS: Adjust mips-hpt-frequency for BCM7435 mips: mt7620: fallback to SDRAM when syscfg0 does not have a valid value for the memory type MIPS: Prevent "restoration" of MSA context in non-MSA kernels MIPS: cevt-r4k: Dynamically calculate min_delta_ns MIPS: malta-time: Take seconds into account MIPS: malta-time: Start GIC count before syncing to RTC MIPS: Force CPUs to lose FP context during mode switches ...
Diffstat (limited to 'arch/mips/cavium-octeon/executive/cvmx-sysinfo.c')
-rw-r--r--arch/mips/cavium-octeon/executive/cvmx-sysinfo.c72
1 files changed, 4 insertions, 68 deletions
diff --git a/arch/mips/cavium-octeon/executive/cvmx-sysinfo.c b/arch/mips/cavium-octeon/executive/cvmx-sysinfo.c
index 3d17fac..cc1b1d2 100644
--- a/arch/mips/cavium-octeon/executive/cvmx-sysinfo.c
+++ b/arch/mips/cavium-octeon/executive/cvmx-sysinfo.c
@@ -32,86 +32,22 @@
#include <linux/module.h>
#include <asm/octeon/cvmx.h>
-#include <asm/octeon/cvmx-spinlock.h>
#include <asm/octeon/cvmx-sysinfo.h>
-/**
+/*
* This structure defines the private state maintained by sysinfo module.
- *
*/
-static struct {
- struct cvmx_sysinfo sysinfo; /* system information */
- cvmx_spinlock_t lock; /* mutex spinlock */
-
-} state = {
- .lock = CVMX_SPINLOCK_UNLOCKED_INITIALIZER
-};
-
+static struct cvmx_sysinfo sysinfo; /* system information */
/*
- * Global variables that define the min/max of the memory region set
- * up for 32 bit userspace access.
- */
-uint64_t linux_mem32_min;
-uint64_t linux_mem32_max;
-uint64_t linux_mem32_wired;
-uint64_t linux_mem32_offset;
-
-/**
- * This function returns the application information as obtained
+ * Returns the application information as obtained
* by the bootloader. This provides the core mask of the cores
* running the same application image, as well as the physical
* memory regions available to the core.
- *
- * Returns Pointer to the boot information structure
- *
*/
struct cvmx_sysinfo *cvmx_sysinfo_get(void)
{
- return &(state.sysinfo);
+ return &sysinfo;
}
EXPORT_SYMBOL(cvmx_sysinfo_get);
-/**
- * This function is used in non-simple executive environments (such as
- * Linux kernel, u-boot, etc.) to configure the minimal fields that
- * are required to use simple executive files directly.
- *
- * Locking (if required) must be handled outside of this
- * function
- *
- * @phy_mem_desc_ptr:
- * Pointer to global physical memory descriptor
- * (bootmem descriptor) @board_type: Octeon board
- * type enumeration
- *
- * @board_rev_major:
- * Board major revision
- * @board_rev_minor:
- * Board minor revision
- * @cpu_clock_hz:
- * CPU clock freqency in hertz
- *
- * Returns 0: Failure
- * 1: success
- */
-int cvmx_sysinfo_minimal_initialize(void *phy_mem_desc_ptr,
- uint16_t board_type,
- uint8_t board_rev_major,
- uint8_t board_rev_minor,
- uint32_t cpu_clock_hz)
-{
-
- /* The sysinfo structure was already initialized */
- if (state.sysinfo.board_type)
- return 0;
-
- memset(&(state.sysinfo), 0x0, sizeof(state.sysinfo));
- state.sysinfo.phy_mem_desc_ptr = phy_mem_desc_ptr;
- state.sysinfo.board_type = board_type;
- state.sysinfo.board_rev_major = board_rev_major;
- state.sysinfo.board_rev_minor = board_rev_minor;
- state.sysinfo.cpu_clock_hz = cpu_clock_hz;
-
- return 1;
-}