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-rw-r--r--arch/mips/bcm63xx/Kconfig25
-rw-r--r--arch/mips/bcm63xx/Makefile7
-rw-r--r--arch/mips/bcm63xx/boards/Kconfig11
-rw-r--r--arch/mips/bcm63xx/boards/Makefile3
-rw-r--r--arch/mips/bcm63xx/boards/board_bcm963xx.c837
-rw-r--r--arch/mips/bcm63xx/clk.c226
-rw-r--r--arch/mips/bcm63xx/cpu.c345
-rw-r--r--arch/mips/bcm63xx/cs.c144
-rw-r--r--arch/mips/bcm63xx/dev-dsp.c56
-rw-r--r--arch/mips/bcm63xx/dev-enet.c159
-rw-r--r--arch/mips/bcm63xx/early_printk.c30
-rw-r--r--arch/mips/bcm63xx/gpio.c134
-rw-r--r--arch/mips/bcm63xx/irq.c253
-rw-r--r--arch/mips/bcm63xx/prom.c55
-rw-r--r--arch/mips/bcm63xx/setup.c125
-rw-r--r--arch/mips/bcm63xx/timer.c205
16 files changed, 2615 insertions, 0 deletions
diff --git a/arch/mips/bcm63xx/Kconfig b/arch/mips/bcm63xx/Kconfig
new file mode 100644
index 0000000..fb177d6
--- /dev/null
+++ b/arch/mips/bcm63xx/Kconfig
@@ -0,0 +1,25 @@
+menu "CPU support"
+ depends on BCM63XX
+
+config BCM63XX_CPU_6338
+ bool "support 6338 CPU"
+ select HW_HAS_PCI
+ select USB_ARCH_HAS_OHCI
+ select USB_OHCI_BIG_ENDIAN_DESC
+ select USB_OHCI_BIG_ENDIAN_MMIO
+
+config BCM63XX_CPU_6345
+ bool "support 6345 CPU"
+ select USB_OHCI_BIG_ENDIAN_DESC
+ select USB_OHCI_BIG_ENDIAN_MMIO
+
+config BCM63XX_CPU_6348
+ bool "support 6348 CPU"
+ select HW_HAS_PCI
+
+config BCM63XX_CPU_6358
+ bool "support 6358 CPU"
+ select HW_HAS_PCI
+endmenu
+
+source "arch/mips/bcm63xx/boards/Kconfig"
diff --git a/arch/mips/bcm63xx/Makefile b/arch/mips/bcm63xx/Makefile
new file mode 100644
index 0000000..aaa585c
--- /dev/null
+++ b/arch/mips/bcm63xx/Makefile
@@ -0,0 +1,7 @@
+obj-y += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \
+ dev-dsp.o dev-enet.o
+obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
+
+obj-y += boards/
+
+EXTRA_CFLAGS += -Werror
diff --git a/arch/mips/bcm63xx/boards/Kconfig b/arch/mips/bcm63xx/boards/Kconfig
new file mode 100644
index 0000000..c6aed33
--- /dev/null
+++ b/arch/mips/bcm63xx/boards/Kconfig
@@ -0,0 +1,11 @@
+choice
+ prompt "Board support"
+ depends on BCM63XX
+ default BOARD_BCM963XX
+
+config BOARD_BCM963XX
+ bool "Generic Broadcom 963xx boards"
+ select SSB
+ help
+
+endchoice
diff --git a/arch/mips/bcm63xx/boards/Makefile b/arch/mips/bcm63xx/boards/Makefile
new file mode 100644
index 0000000..e5cc86d
--- /dev/null
+++ b/arch/mips/bcm63xx/boards/Makefile
@@ -0,0 +1,3 @@
+obj-$(CONFIG_BOARD_BCM963XX) += board_bcm963xx.o
+
+EXTRA_CFLAGS += -Werror
diff --git a/arch/mips/bcm63xx/boards/board_bcm963xx.c b/arch/mips/bcm63xx/boards/board_bcm963xx.c
new file mode 100644
index 0000000..fd77f54
--- /dev/null
+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
@@ -0,0 +1,837 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
+ * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org>
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/ssb/ssb.h>
+#include <asm/addrspace.h>
+#include <bcm63xx_board.h>
+#include <bcm63xx_cpu.h>
+#include <bcm63xx_regs.h>
+#include <bcm63xx_io.h>
+#include <bcm63xx_board.h>
+#include <bcm63xx_dev_pci.h>
+#include <bcm63xx_dev_enet.h>
+#include <bcm63xx_dev_dsp.h>
+#include <board_bcm963xx.h>
+
+#define PFX "board_bcm963xx: "
+
+static struct bcm963xx_nvram nvram;
+static unsigned int mac_addr_used;
+static struct board_info board;
+
+/*
+ * known 6338 boards
+ */
+#ifdef CONFIG_BCM63XX_CPU_6338
+static struct board_info __initdata board_96338gw = {
+ .name = "96338GW",
+ .expected_cpu_id = 0x6338,
+
+ .has_enet0 = 1,
+ .enet0 = {
+ .force_speed_100 = 1,
+ .force_duplex_full = 1,
+ },
+
+ .has_ohci0 = 1,
+
+ .leds = {
+ {
+ .name = "adsl",
+ .gpio = 3,
+ .active_low = 1,
+ },
+ {
+ .name = "ses",
+ .gpio = 5,
+ .active_low = 1,
+ },
+ {
+ .name = "ppp-fail",
+ .gpio = 4,
+ .active_low = 1,
+ },
+ {
+ .name = "power",
+ .gpio = 0,
+ .active_low = 1,
+ .default_trigger = "default-on",
+ },
+ {
+ .name = "stop",
+ .gpio = 1,
+ .active_low = 1,
+ }
+ },
+};
+
+static struct board_info __initdata board_96338w = {
+ .name = "96338W",
+ .expected_cpu_id = 0x6338,
+
+ .has_enet0 = 1,
+ .enet0 = {
+ .force_speed_100 = 1,
+ .force_duplex_full = 1,
+ },
+
+ .leds = {
+ {
+ .name = "adsl",
+ .gpio = 3,
+ .active_low = 1,
+ },
+ {
+ .name = "ses",
+ .gpio = 5,
+ .active_low = 1,
+ },
+ {
+ .name = "ppp-fail",
+ .gpio = 4,
+ .active_low = 1,
+ },
+ {
+ .name = "power",
+ .gpio = 0,
+ .active_low = 1,
+ .default_trigger = "default-on",
+ },
+ {
+ .name = "stop",
+ .gpio = 1,
+ .active_low = 1,
+ },
+ },
+};
+#endif
+
+/*
+ * known 6345 boards
+ */
+#ifdef CONFIG_BCM63XX_CPU_6345
+static struct board_info __initdata board_96345gw2 = {
+ .name = "96345GW2",
+ .expected_cpu_id = 0x6345,
+};
+#endif
+
+/*
+ * known 6348 boards
+ */
+#ifdef CONFIG_BCM63XX_CPU_6348
+static struct board_info __initdata board_96348r = {
+ .name = "96348R",
+ .expected_cpu_id = 0x6348,
+
+ .has_enet0 = 1,
+ .has_pci = 1,
+
+ .enet0 = {
+ .has_phy = 1,
+ .use_internal_phy = 1,
+ },
+
+ .leds = {
+ {
+ .name = "adsl-fail",
+ .gpio = 2,
+ .active_low = 1,
+ },
+ {
+ .name = "ppp",
+ .gpio = 3,
+ .active_low = 1,
+ },
+ {
+ .name = "ppp-fail",
+ .gpio = 4,
+ .active_low = 1,
+ },
+ {
+ .name = "power",
+ .gpio = 0,
+ .active_low = 1,
+ .default_trigger = "default-on",
+
+ },
+ {
+ .name = "stop",
+ .gpio = 1,
+ .active_low = 1,
+ },
+ },
+};
+
+static struct board_info __initdata board_96348gw_10 = {
+ .name = "96348GW-10",
+ .expected_cpu_id = 0x6348,
+
+ .has_enet0 = 1,
+ .has_enet1 = 1,
+ .has_pci = 1,
+
+ .enet0 = {
+ .has_phy = 1,
+ .use_internal_phy = 1,
+ },
+ .enet1 = {
+ .force_speed_100 = 1,
+ .force_duplex_full = 1,
+ },
+
+ .has_ohci0 = 1,
+ .has_pccard = 1,
+ .has_ehci0 = 1,
+
+ .has_dsp = 1,
+ .dsp = {
+ .gpio_rst = 6,
+ .gpio_int = 34,
+ .cs = 2,
+ .ext_irq = 2,
+ },
+
+ .leds = {
+ {
+ .name = "adsl-fail",
+ .gpio = 2,
+ .active_low = 1,
+ },
+ {
+ .name = "ppp",
+ .gpio = 3,
+ .active_low = 1,
+ },
+ {
+ .name = "ppp-fail",
+ .gpio = 4,
+ .active_low = 1,
+ },
+ {
+ .name = "power",
+ .gpio = 0,
+ .active_low = 1,
+ .default_trigger = "default-on",
+ },
+ {
+ .name = "stop",
+ .gpio = 1,
+ .active_low = 1,
+ },
+ },
+};
+
+static struct board_info __initdata board_96348gw_11 = {
+ .name = "96348GW-11",
+ .expected_cpu_id = 0x6348,
+
+ .has_enet0 = 1,
+ .has_enet1 = 1,
+ .has_pci = 1,
+
+ .enet0 = {
+ .has_phy = 1,
+ .use_internal_phy = 1,
+ },
+
+ .enet1 = {
+ .force_speed_100 = 1,
+ .force_duplex_full = 1,
+ },
+
+
+ .has_ohci0 = 1,
+ .has_pccard = 1,
+ .has_ehci0 = 1,
+
+ .leds = {
+ {
+ .name = "adsl-fail",
+ .gpio = 2,
+ .active_low = 1,
+ },
+ {
+ .name = "ppp",
+ .gpio = 3,
+ .active_low = 1,
+ },
+ {
+ .name = "ppp-fail",
+ .gpio = 4,
+ .active_low = 1,
+ },
+ {
+ .name = "power",
+ .gpio = 0,
+ .active_low = 1,
+ .default_trigger = "default-on",
+ },
+ {
+ .name = "stop",
+ .gpio = 1,
+ .active_low = 1,
+ },
+ },
+};
+
+static struct board_info __initdata board_96348gw = {
+ .name = "96348GW",
+ .expected_cpu_id = 0x6348,
+
+ .has_enet0 = 1,
+ .has_enet1 = 1,
+ .has_pci = 1,
+
+ .enet0 = {
+ .has_phy = 1,
+ .use_internal_phy = 1,
+ },
+ .enet1 = {
+ .force_speed_100 = 1,
+ .force_duplex_full = 1,
+ },
+
+ .has_ohci0 = 1,
+
+ .has_dsp = 1,
+ .dsp = {
+ .gpio_rst = 6,
+ .gpio_int = 34,
+ .ext_irq = 2,
+ .cs = 2,
+ },
+
+ .leds = {
+ {
+ .name = "adsl-fail",
+ .gpio = 2,
+ .active_low = 1,
+ },
+ {
+ .name = "ppp",
+ .gpio = 3,
+ .active_low = 1,
+ },
+ {
+ .name = "ppp-fail",
+ .gpio = 4,
+ .active_low = 1,
+ },
+ {
+ .name = "power",
+ .gpio = 0,
+ .active_low = 1,
+ .default_trigger = "default-on",
+ },
+ {
+ .name = "stop",
+ .gpio = 1,
+ .active_low = 1,
+ },
+ },
+};
+
+static struct board_info __initdata board_FAST2404 = {
+ .name = "F@ST2404",
+ .expected_cpu_id = 0x6348,
+
+ .has_enet0 = 1,
+ .has_enet1 = 1,
+ .has_pci = 1,
+
+ .enet0 = {
+ .has_phy = 1,
+ .use_internal_phy = 1,
+ },
+
+ .enet1 = {
+ .force_speed_100 = 1,
+ .force_duplex_full = 1,
+ },
+
+
+ .has_ohci0 = 1,
+ .has_pccard = 1,
+ .has_ehci0 = 1,
+};
+
+static struct board_info __initdata board_DV201AMR = {
+ .name = "DV201AMR",
+ .expected_cpu_id = 0x6348,
+
+ .has_pci = 1,
+ .has_ohci0 = 1,
+
+ .has_enet0 = 1,
+ .has_enet1 = 1,
+ .enet0 = {
+ .has_phy = 1,
+ .use_internal_phy = 1,
+ },
+ .enet1 = {
+ .force_speed_100 = 1,
+ .force_duplex_full = 1,
+ },
+};
+
+static struct board_info __initdata board_96348gw_a = {
+ .name = "96348GW-A",
+ .expected_cpu_id = 0x6348,
+
+ .has_enet0 = 1,
+ .has_enet1 = 1,
+ .has_pci = 1,
+
+ .enet0 = {
+ .has_phy = 1,
+ .use_internal_phy = 1,
+ },
+ .enet1 = {
+ .force_speed_100 = 1,
+ .force_duplex_full = 1,
+ },
+
+ .has_ohci0 = 1,
+};
+#endif
+
+/*
+ * known 6358 boards
+ */
+#ifdef CONFIG_BCM63XX_CPU_6358
+static struct board_info __initdata board_96358vw = {
+ .name = "96358VW",
+ .expected_cpu_id = 0x6358,
+
+ .has_enet0 = 1,
+ .has_enet1 = 1,
+ .has_pci = 1,
+
+ .enet0 = {
+ .has_phy = 1,
+ .use_internal_phy = 1,
+ },
+
+ .enet1 = {
+ .force_speed_100 = 1,
+ .force_duplex_full = 1,
+ },
+
+
+ .has_ohci0 = 1,
+ .has_pccard = 1,
+ .has_ehci0 = 1,
+
+ .leds = {
+ {
+ .name = "adsl-fail",
+ .gpio = 15,
+ .active_low = 1,
+ },
+ {
+ .name = "ppp",
+ .gpio = 22,
+ .active_low = 1,
+ },
+ {
+ .name = "ppp-fail",
+ .gpio = 23,
+ .active_low = 1,
+ },
+ {
+ .name = "power",
+ .gpio = 4,
+ .default_trigger = "default-on",
+ },
+ {
+ .name = "stop",
+ .gpio = 5,
+ },
+ },
+};
+
+static struct board_info __initdata board_96358vw2 = {
+ .name = "96358VW2",
+ .expected_cpu_id = 0x6358,
+
+ .has_enet0 = 1,
+ .has_enet1 = 1,
+ .has_pci = 1,
+
+ .enet0 = {
+ .has_phy = 1,
+ .use_internal_phy = 1,
+ },
+
+ .enet1 = {
+ .force_speed_100 = 1,
+ .force_duplex_full = 1,
+ },
+
+
+ .has_ohci0 = 1,
+ .has_pccard = 1,
+ .has_ehci0 = 1,
+
+ .leds = {
+ {
+ .name = "adsl",
+ .gpio = 22,
+ .active_low = 1,
+ },
+ {
+ .name = "ppp-fail",
+ .gpio = 23,
+ },
+ {
+ .name = "power",
+ .gpio = 5,
+ .active_low = 1,
+ .default_trigger = "default-on",
+ },
+ {
+ .name = "stop",
+ .gpio = 4,
+ .active_low = 1,
+ },
+ },
+};
+
+static struct board_info __initdata board_AGPFS0 = {
+ .name = "AGPF-S0",
+ .expected_cpu_id = 0x6358,
+
+ .has_enet0 = 1,
+ .has_enet1 = 1,
+ .has_pci = 1,
+
+ .enet0 = {
+ .has_phy = 1,
+ .use_internal_phy = 1,
+ },
+
+ .enet1 = {
+ .force_speed_100 = 1,
+ .force_duplex_full = 1,
+ },
+
+ .has_ohci0 = 1,
+ .has_ehci0 = 1,
+};
+#endif
+
+/*
+ * all boards
+ */
+static const struct board_info __initdata *bcm963xx_boards[] = {
+#ifdef CONFIG_BCM63XX_CPU_6338
+ &board_96338gw,
+ &board_96338w,
+#endif
+#ifdef CONFIG_BCM63XX_CPU_6345
+ &board_96345gw2,
+#endif
+#ifdef CONFIG_BCM63XX_CPU_6348
+ &board_96348r,
+ &board_96348gw,
+ &board_96348gw_10,
+ &board_96348gw_11,
+ &board_FAST2404,
+ &board_DV201AMR,
+ &board_96348gw_a,
+#endif
+
+#ifdef CONFIG_BCM63XX_CPU_6358
+ &board_96358vw,
+ &board_96358vw2,
+ &board_AGPFS0,
+#endif
+};
+
+/*
+ * early init callback, read nvram data from flash and checksum it
+ */
+void __init board_prom_init(void)
+{
+ unsigned int check_len, i;
+ u8 *boot_addr, *cfe, *p;
+ char cfe_version[32];
+ u32 val;
+
+ /* read base address of boot chip select (0)
+ * 6345 does not have MPI but boots from standard
+ * MIPS Flash address */
+ if (BCMCPU_IS_6345())
+ val = 0x1fc00000;
+ else {
+ val = bcm_mpi_readl(MPI_CSBASE_REG(0));
+ val &= MPI_CSBASE_BASE_MASK;
+ }
+ boot_addr = (u8 *)KSEG1ADDR(val);
+
+ /* dump cfe version */
+ cfe = boot_addr + BCM963XX_CFE_VERSION_OFFSET;
+ if (!memcmp(cfe, "cfe-v", 5))
+ snprintf(cfe_version, sizeof(cfe_version), "%u.%u.%u-%u.%u",
+ cfe[5], cfe[6], cfe[7], cfe[8], cfe[9]);
+ else
+ strcpy(cfe_version, "unknown");
+ printk(KERN_INFO PFX "CFE version: %s\n", cfe_version);
+
+ /* extract nvram data */
+ memcpy(&nvram, boot_addr + BCM963XX_NVRAM_OFFSET, sizeof(nvram));
+
+ /* check checksum before using data */
+ if (nvram.version <= 4)
+ check_len = offsetof(struct bcm963xx_nvram, checksum_old);
+ else
+ check_len = sizeof(nvram);
+ val = 0;
+ p = (u8 *)&nvram;
+ while (check_len--)
+ val += *p;
+ if (val) {
+ printk(KERN_ERR PFX "invalid nvram checksum\n");
+ return;
+ }
+
+ /* find board by name */
+ for (i = 0; i < ARRAY_SIZE(bcm963xx_boards); i++) {
+ if (strncmp(nvram.name, bcm963xx_boards[i]->name,
+ sizeof(nvram.name)))
+ continue;
+ /* copy, board desc array is marked initdata */
+ memcpy(&board, bcm963xx_boards[i], sizeof(board));
+ break;
+ }
+
+ /* bail out if board is not found, will complain later */
+ if (!board.name[0]) {
+ char name[17];
+ memcpy(name, nvram.name, 16);
+ name[16] = 0;
+ printk(KERN_ERR PFX "unknown bcm963xx board: %s\n",
+ name);
+ return;
+ }
+
+ /* setup pin multiplexing depending on board enabled device,
+ * this has to be done this early since PCI init is done
+ * inside arch_initcall */
+ val = 0;
+
+#ifdef CONFIG_PCI
+ if (board.has_pci) {
+ bcm63xx_pci_enabled = 1;
+ if (BCMCPU_IS_6348())
+ val |= GPIO_MODE_6348_G2_PCI;
+ }
+#endif
+
+ if (board.has_pccard) {
+ if (BCMCPU_IS_6348())
+ val |= GPIO_MODE_6348_G1_MII_PCCARD;
+ }
+
+ if (board.has_enet0 && !board.enet0.use_internal_phy) {
+ if (BCMCPU_IS_6348())
+ val |= GPIO_MODE_6348_G3_EXT_MII |
+ GPIO_MODE_6348_G0_EXT_MII;
+ }
+
+ if (board.has_enet1 && !board.enet1.use_internal_phy) {
+ if (BCMCPU_IS_6348())
+ val |= GPIO_MODE_6348_G3_EXT_MII |
+ GPIO_MODE_6348_G0_EXT_MII;
+ }
+
+ bcm_gpio_writel(val, GPIO_MODE_REG);
+}
+
+/*
+ * second stage init callback, good time to panic if we couldn't
+ * identify on which board we're running since early printk is working
+ */
+void __init board_setup(void)
+{
+ if (!board.name[0])
+ panic("unable to detect bcm963xx board");
+ printk(KERN_INFO PFX "board name: %s\n", board.name);
+
+ /* make sure we're running on expected cpu */
+ if (bcm63xx_get_cpu_id() != board.expected_cpu_id)
+ panic("unexpected CPU for bcm963xx board");
+}
+
+/*
+ * return board name for /proc/cpuinfo
+ */
+const char *board_get_name(void)
+{
+ return board.name;
+}
+
+/*
+ * register & return a new board mac address
+ */
+static int board_get_mac_address(u8 *mac)
+{
+ u8 *p;
+ int count;
+
+ if (mac_addr_used >= nvram.mac_addr_count) {
+ printk(KERN_ERR PFX "not enough mac address\n");
+ return -ENODEV;
+ }
+
+ memcpy(mac, nvram.mac_addr_base, ETH_ALEN);
+ p = mac + ETH_ALEN - 1;
+ count = mac_addr_used;
+
+ while (count--) {
+ do {
+ (*p)++;
+ if (*p != 0)
+ break;
+ p--;
+ } while (p != mac);
+ }
+
+ if (p == mac) {
+ printk(KERN_ERR PFX "unable to fetch mac address\n");
+ return -ENODEV;
+ }
+
+ mac_addr_used++;
+ return 0;
+}
+
+static struct mtd_partition mtd_partitions[] = {
+ {
+ .name = "cfe",
+ .offset = 0x0,
+ .size = 0x40000,
+ }
+};
+
+static struct physmap_flash_data flash_data = {
+ .width = 2,
+ .nr_parts = ARRAY_SIZE(mtd_partitions),
+ .parts = mtd_partitions,
+};
+
+static struct resource mtd_resources[] = {
+ {
+ .start = 0, /* filled at runtime */
+ .end = 0, /* filled at runtime */
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+static struct platform_device mtd_dev = {
+ .name = "physmap-flash",
+ .resource = mtd_resources,
+ .num_resources = ARRAY_SIZE(mtd_resources),
+ .dev = {
+ .platform_data = &flash_data,
+ },
+};
+
+/*
+ * Register a sane SPROMv2 to make the on-board
+ * bcm4318 WLAN work
+ */
+#ifdef CONFIG_SSB_PCIHOST
+static struct ssb_sprom bcm63xx_sprom = {
+ .revision = 0x02,
+ .board_rev = 0x17,
+ .country_code = 0x0,
+ .ant_available_bg = 0x3,
+ .pa0b0 = 0x15ae,
+ .pa0b1 = 0xfa85,
+ .pa0b2 = 0xfe8d,
+ .pa1b0 = 0xffff,
+ .pa1b1 = 0xffff,
+ .pa1b2 = 0xffff,
+ .gpio0 = 0xff,
+ .gpio1 = 0xff,
+ .gpio2 = 0xff,
+ .gpio3 = 0xff,
+ .maxpwr_bg = 0x004c,
+ .itssi_bg = 0x00,
+ .boardflags_lo = 0x2848,
+ .boardflags_hi = 0x0000,
+};
+#endif
+
+static struct gpio_led_platform_data bcm63xx_led_data;
+
+static struct platform_device bcm63xx_gpio_leds = {
+ .name = "leds-gpio",
+ .id = 0,
+ .dev.platform_data = &bcm63xx_led_data,
+};
+
+/*
+ * third stage init callback, register all board devices.
+ */
+int __init board_register_devices(void)
+{
+ u32 val;
+
+ if (board.has_enet0 &&
+ !board_get_mac_address(board.enet0.mac_addr))
+ bcm63xx_enet_register(0, &board.enet0);
+
+ if (board.has_enet1 &&
+ !board_get_mac_address(board.enet1.mac_addr))
+ bcm63xx_enet_register(1, &board.enet1);
+
+ if (board.has_dsp)
+ bcm63xx_dsp_register(&board.dsp);
+
+ /* Generate MAC address for WLAN and
+ * register our SPROM */
+#ifdef CONFIG_SSB_PCIHOST
+ if (!board_get_mac_address(bcm63xx_sprom.il0mac)) {
+ memcpy(bcm63xx_sprom.et0mac, bcm63xx_sprom.il0mac, ETH_ALEN);
+ memcpy(bcm63xx_sprom.et1mac, bcm63xx_sprom.il0mac, ETH_ALEN);
+ if (ssb_arch_set_fallback_sprom(&bcm63xx_sprom) < 0)
+ printk(KERN_ERR "failed to register fallback SPROM\n");
+ }
+#endif
+
+ /* read base address of boot chip select (0) */
+ if (BCMCPU_IS_6345())
+ val = 0x1fc00000;
+ else {
+ val = bcm_mpi_readl(MPI_CSBASE_REG(0));
+ val &= MPI_CSBASE_BASE_MASK;
+ }
+ mtd_resources[0].start = val;
+ mtd_resources[0].end = 0x1FFFFFFF;
+
+ platform_device_register(&mtd_dev);
+
+ bcm63xx_led_data.num_leds = ARRAY_SIZE(board.leds);
+ bcm63xx_led_data.leds = board.leds;
+
+ platform_device_register(&bcm63xx_gpio_leds);
+
+ return 0;
+}
+
diff --git a/arch/mips/bcm63xx/clk.c b/arch/mips/bcm63xx/clk.c
new file mode 100644
index 0000000..2c68ee9
--- /dev/null
+++ b/arch/mips/bcm63xx/clk.c
@@ -0,0 +1,226 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
+ */
+
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <bcm63xx_cpu.h>
+#include <bcm63xx_io.h>
+#include <bcm63xx_regs.h>
+#include <bcm63xx_clk.h>
+
+static DEFINE_MUTEX(clocks_mutex);
+
+
+static void clk_enable_unlocked(struct clk *clk)
+{
+ if (clk->set && (clk->usage++) == 0)
+ clk->set(clk, 1);
+}
+
+static void clk_disable_unlocked(struct clk *clk)
+{
+ if (clk->set && (--clk->usage) == 0)
+ clk->set(clk, 0);
+}
+
+static void bcm_hwclock_set(u32 mask, int enable)
+{
+ u32 reg;
+
+ reg = bcm_perf_readl(PERF_CKCTL_REG);
+ if (enable)
+ reg |= mask;
+ else
+ reg &= ~mask;
+ bcm_perf_writel(reg, PERF_CKCTL_REG);
+}
+
+/*
+ * Ethernet MAC "misc" clock: dma clocks and main clock on 6348
+ */
+static void enet_misc_set(struct clk *clk, int enable)
+{
+ u32 mask;
+
+ if (BCMCPU_IS_6338())
+ mask = CKCTL_6338_ENET_EN;
+ else if (BCMCPU_IS_6345())
+ mask = CKCTL_6345_ENET_EN;
+ else if (BCMCPU_IS_6348())
+ mask = CKCTL_6348_ENET_EN;
+ else
+ /* BCMCPU_IS_6358 */
+ mask = CKCTL_6358_EMUSB_EN;
+ bcm_hwclock_set(mask, enable);
+}
+
+static struct clk clk_enet_misc = {
+ .set = enet_misc_set,
+};
+
+/*
+ * Ethernet MAC clocks: only revelant on 6358, silently enable misc
+ * clocks
+ */
+static void enetx_set(struct clk *clk, int enable)
+{
+ if (enable)
+ clk_enable_unlocked(&clk_enet_misc);
+ else
+ clk_disable_unlocked(&clk_enet_misc);
+
+ if (BCMCPU_IS_6358()) {
+ u32 mask;
+
+ if (clk->id == 0)
+ mask = CKCTL_6358_ENET0_EN;
+ else
+ mask = CKCTL_6358_ENET1_EN;
+ bcm_hwclock_set(mask, enable);
+ }
+}
+
+static struct clk clk_enet0 = {
+ .id = 0,
+ .set = enetx_set,
+};
+
+static struct clk clk_enet1 = {
+ .id = 1,
+ .set = enetx_set,
+};
+
+/*
+ * Ethernet PHY clock
+ */
+static void ephy_set(struct clk *clk, int enable)
+{
+ if (!BCMCPU_IS_6358())
+ return;
+ bcm_hwclock_set(CKCTL_6358_EPHY_EN, enable);
+}
+
+
+static struct clk clk_ephy = {
+ .set = ephy_set,
+};
+
+/*
+ * PCM clock
+ */
+static void pcm_set(struct clk *clk, int enable)
+{
+ if (!BCMCPU_IS_6358())
+ return;
+ bcm_hwclock_set(CKCTL_6358_PCM_EN, enable);
+}
+
+static struct clk clk_pcm = {
+ .set = pcm_set,
+};
+
+/*
+ * USB host clock
+ */
+static void usbh_set(struct clk *clk, int enable)
+{
+ if (!BCMCPU_IS_6348())
+ return;
+ bcm_hwclock_set(CKCTL_6348_USBH_EN, enable);
+}
+
+static struct clk clk_usbh = {
+ .set = usbh_set,
+};
+
+/*
+ * SPI clock
+ */
+static void spi_set(struct clk *clk, int enable)
+{
+ u32 mask;
+
+ if (BCMCPU_IS_6338())
+ mask = CKCTL_6338_SPI_EN;
+ else if (BCMCPU_IS_6348())
+ mask = CKCTL_6348_SPI_EN;
+ else
+ /* BCMCPU_IS_6358 */
+ mask = CKCTL_6358_SPI_EN;
+ bcm_hwclock_set(mask, enable);
+}
+
+static struct clk clk_spi = {
+ .set = spi_set,
+};
+
+/*
+ * Internal peripheral clock
+ */
+static struct clk clk_periph = {
+ .rate = (50 * 1000 * 1000),
+};
+
+
+/*
+ * Linux clock API implementation
+ */
+int clk_enable(struct clk *clk)
+{
+ mutex_lock(&clocks_mutex);
+ clk_enable_unlocked(clk);
+ mutex_unlock(&clocks_mutex);
+ return 0;
+}
+
+EXPORT_SYMBOL(clk_enable);
+
+void clk_disable(struct clk *clk)
+{
+ mutex_lock(&clocks_mutex);
+ clk_disable_unlocked(clk);
+ mutex_unlock(&clocks_mutex);
+}
+
+EXPORT_SYMBOL(clk_disable);
+
+unsigned long clk_get_rate(struct clk *clk)
+{
+ return clk->rate;
+}
+
+EXPORT_SYMBOL(clk_get_rate);
+
+struct clk *clk_get(struct device *dev, const char *id)
+{
+ if (!strcmp(id, "enet0"))
+ return &clk_enet0;
+ if (!strcmp(id, "enet1"))
+ return &clk_enet1;
+ if (!strcmp(id, "ephy"))
+ return &clk_ephy;
+ if (!strcmp(id, "usbh"))
+ return &clk_usbh;
+ if (!strcmp(id, "spi"))
+ return &clk_spi;
+ if (!strcmp(id, "periph"))
+ return &clk_periph;
+ if (BCMCPU_IS_6358() && !strcmp(id, "pcm"))
+ return &clk_pcm;
+ return ERR_PTR(-ENOENT);
+}
+
+EXPORT_SYMBOL(clk_get);
+
+void clk_put(struct clk *clk)
+{
+}
+
+EXPORT_SYMBOL(clk_put);
diff --git a/arch/mips/bcm63xx/cpu.c b/arch/mips/bcm63xx/cpu.c
new file mode 100644
index 0000000..6dc43f0
--- /dev/null
+++ b/arch/mips/bcm63xx/cpu.c
@@ -0,0 +1,345 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
+ * Copyright (C) 2009 Florian Fainelli <florian@openwrt.org>
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/cpu.h>
+#include <bcm63xx_cpu.h>
+#include <bcm63xx_regs.h>
+#include <bcm63xx_io.h>
+#include <bcm63xx_irq.h>
+
+const unsigned long *bcm63xx_regs_base;
+EXPORT_SYMBOL(bcm63xx_regs_base);
+
+const int *bcm63xx_irqs;
+EXPORT_SYMBOL(bcm63xx_irqs);
+
+static u16 bcm63xx_cpu_id;
+static u16 bcm63xx_cpu_rev;
+static unsigned int bcm63xx_cpu_freq;
+static unsigned int bcm63xx_memory_size;
+
+/*
+ * 6338 register sets and irqs
+ */
+static const unsigned long bcm96338_regs_base[] = {
+ [RSET_DSL_LMEM] = BCM_6338_DSL_LMEM_BASE,
+ [RSET_PERF] = BCM_6338_PERF_BASE,
+ [RSET_TIMER] = BCM_6338_TIMER_BASE,
+ [RSET_WDT] = BCM_6338_WDT_BASE,
+ [RSET_UART0] = BCM_6338_UART0_BASE,
+ [RSET_GPIO] = BCM_6338_GPIO_BASE,
+ [RSET_SPI] = BCM_6338_SPI_BASE,
+ [RSET_OHCI0] = BCM_6338_OHCI0_BASE,
+ [RSET_OHCI_PRIV] = BCM_6338_OHCI_PRIV_BASE,
+ [RSET_USBH_PRIV] = BCM_6338_USBH_PRIV_BASE,
+ [RSET_UDC0] = BCM_6338_UDC0_BASE,
+ [RSET_MPI] = BCM_6338_MPI_BASE,
+ [RSET_PCMCIA] = BCM_6338_PCMCIA_BASE,
+ [RSET_SDRAM] = BCM_6338_SDRAM_BASE,
+ [RSET_DSL] = BCM_6338_DSL_BASE,
+ [RSET_ENET0] = BCM_6338_ENET0_BASE,
+ [RSET_ENET1] = BCM_6338_ENET1_BASE,
+ [RSET_ENETDMA] = BCM_6338_ENETDMA_BASE,
+ [RSET_MEMC] = BCM_6338_MEMC_BASE,
+ [RSET_DDR] = BCM_6338_DDR_BASE,
+};
+
+static const int bcm96338_irqs[] = {
+ [IRQ_TIMER] = BCM_6338_TIMER_IRQ,
+ [IRQ_UART0] = BCM_6338_UART0_IRQ,
+ [IRQ_DSL] = BCM_6338_DSL_IRQ,
+ [IRQ_ENET0] = BCM_6338_ENET0_IRQ,
+ [IRQ_ENET_PHY] = BCM_6338_ENET_PHY_IRQ,
+ [IRQ_ENET0_RXDMA] = BCM_6338_ENET0_RXDMA_IRQ,
+ [IRQ_ENET0_TXDMA] = BCM_6338_ENET0_TXDMA_IRQ,
+};
+
+/*
+ * 6345 register sets and irqs
+ */
+static const unsigned long bcm96345_regs_base[] = {
+ [RSET_DSL_LMEM] = BCM_6345_DSL_LMEM_BASE,
+ [RSET_PERF] = BCM_6345_PERF_BASE,
+ [RSET_TIMER] = BCM_6345_TIMER_BASE,
+ [RSET_WDT] = BCM_6345_WDT_BASE,
+ [RSET_UART0] = BCM_6345_UART0_BASE,
+ [RSET_GPIO] = BCM_6345_GPIO_BASE,
+ [RSET_SPI] = BCM_6345_SPI_BASE,
+ [RSET_UDC0] = BCM_6345_UDC0_BASE,
+ [RSET_OHCI0] = BCM_6345_OHCI0_BASE,
+ [RSET_OHCI_PRIV] = BCM_6345_OHCI_PRIV_BASE,
+ [RSET_USBH_PRIV] = BCM_6345_USBH_PRIV_BASE,
+ [RSET_MPI] = BCM_6345_MPI_BASE,
+ [RSET_PCMCIA] = BCM_6345_PCMCIA_BASE,
+ [RSET_DSL] = BCM_6345_DSL_BASE,
+ [RSET_ENET0] = BCM_6345_ENET0_BASE,
+ [RSET_ENET1] = BCM_6345_ENET1_BASE,
+ [RSET_ENETDMA] = BCM_6345_ENETDMA_BASE,
+ [RSET_EHCI0] = BCM_6345_EHCI0_BASE,
+ [RSET_SDRAM] = BCM_6345_SDRAM_BASE,
+ [RSET_MEMC] = BCM_6345_MEMC_BASE,
+ [RSET_DDR] = BCM_6345_DDR_BASE,
+};
+
+static const int bcm96345_irqs[] = {
+ [IRQ_TIMER] = BCM_6345_TIMER_IRQ,
+ [IRQ_UART0] = BCM_6345_UART0_IRQ,
+ [IRQ_DSL] = BCM_6345_DSL_IRQ,
+ [IRQ_ENET0] = BCM_6345_ENET0_IRQ,
+ [IRQ_ENET_PHY] = BCM_6345_ENET_PHY_IRQ,
+ [IRQ_ENET0_RXDMA] = BCM_6345_ENET0_RXDMA_IRQ,
+ [IRQ_ENET0_TXDMA] = BCM_6345_ENET0_TXDMA_IRQ,
+};
+
+/*
+ * 6348 register sets and irqs
+ */
+static const unsigned long bcm96348_regs_base[] = {
+ [RSET_DSL_LMEM] = BCM_6348_DSL_LMEM_BASE,
+ [RSET_PERF] = BCM_6348_PERF_BASE,
+ [RSET_TIMER] = BCM_6348_TIMER_BASE,
+ [RSET_WDT] = BCM_6348_WDT_BASE,
+ [RSET_UART0] = BCM_6348_UART0_BASE,
+ [RSET_GPIO] = BCM_6348_GPIO_BASE,
+ [RSET_SPI] = BCM_6348_SPI_BASE,
+ [RSET_OHCI0] = BCM_6348_OHCI0_BASE,
+ [RSET_OHCI_PRIV] = BCM_6348_OHCI_PRIV_BASE,
+ [RSET_USBH_PRIV] = BCM_6348_USBH_PRIV_BASE,
+ [RSET_MPI] = BCM_6348_MPI_BASE,
+ [RSET_PCMCIA] = BCM_6348_PCMCIA_BASE,
+ [RSET_SDRAM] = BCM_6348_SDRAM_BASE,
+ [RSET_DSL] = BCM_6348_DSL_BASE,
+ [RSET_ENET0] = BCM_6348_ENET0_BASE,
+ [RSET_ENET1] = BCM_6348_ENET1_BASE,
+ [RSET_ENETDMA] = BCM_6348_ENETDMA_BASE,
+ [RSET_MEMC] = BCM_6348_MEMC_BASE,
+ [RSET_DDR] = BCM_6348_DDR_BASE,
+};
+
+static const int bcm96348_irqs[] = {
+ [IRQ_TIMER] = BCM_6348_TIMER_IRQ,
+ [IRQ_UART0] = BCM_6348_UART0_IRQ,
+ [IRQ_DSL] = BCM_6348_DSL_IRQ,
+ [IRQ_ENET0] = BCM_6348_ENET0_IRQ,
+ [IRQ_ENET1] = BCM_6348_ENET1_IRQ,
+ [IRQ_ENET_PHY] = BCM_6348_ENET_PHY_IRQ,
+ [IRQ_OHCI0] = BCM_6348_OHCI0_IRQ,
+ [IRQ_PCMCIA] = BCM_6348_PCMCIA_IRQ,
+ [IRQ_ENET0_RXDMA] = BCM_6348_ENET0_RXDMA_IRQ,
+ [IRQ_ENET0_TXDMA] = BCM_6348_ENET0_TXDMA_IRQ,
+ [IRQ_ENET1_RXDMA] = BCM_6348_ENET1_RXDMA_IRQ,
+ [IRQ_ENET1_TXDMA] = BCM_6348_ENET1_TXDMA_IRQ,
+ [IRQ_PCI] = BCM_6348_PCI_IRQ,
+};
+
+/*
+ * 6358 register sets and irqs
+ */
+static const unsigned long bcm96358_regs_base[] = {
+ [RSET_DSL_LMEM] = BCM_6358_DSL_LMEM_BASE,
+ [RSET_PERF] = BCM_6358_PERF_BASE,
+ [RSET_TIMER] = BCM_6358_TIMER_BASE,
+ [RSET_WDT] = BCM_6358_WDT_BASE,
+ [RSET_UART0] = BCM_6358_UART0_BASE,
+ [RSET_GPIO] = BCM_6358_GPIO_BASE,
+ [RSET_SPI] = BCM_6358_SPI_BASE,
+ [RSET_OHCI0] = BCM_6358_OHCI0_BASE,
+ [RSET_EHCI0] = BCM_6358_EHCI0_BASE,
+ [RSET_OHCI_PRIV] = BCM_6358_OHCI_PRIV_BASE,
+ [RSET_USBH_PRIV] = BCM_6358_USBH_PRIV_BASE,
+ [RSET_MPI] = BCM_6358_MPI_BASE,
+ [RSET_PCMCIA] = BCM_6358_PCMCIA_BASE,
+ [RSET_SDRAM] = BCM_6358_SDRAM_BASE,
+ [RSET_DSL] = BCM_6358_DSL_BASE,
+ [RSET_ENET0] = BCM_6358_ENET0_BASE,
+ [RSET_ENET1] = BCM_6358_ENET1_BASE,
+ [RSET_ENETDMA] = BCM_6358_ENETDMA_BASE,
+ [RSET_MEMC] = BCM_6358_MEMC_BASE,
+ [RSET_DDR] = BCM_6358_DDR_BASE,
+};
+
+static const int bcm96358_irqs[] = {
+ [IRQ_TIMER] = BCM_6358_TIMER_IRQ,
+ [IRQ_UART0] = BCM_6358_UART0_IRQ,
+ [IRQ_DSL] = BCM_6358_DSL_IRQ,
+ [IRQ_ENET0] = BCM_6358_ENET0_IRQ,
+ [IRQ_ENET1] = BCM_6358_ENET1_IRQ,
+ [IRQ_ENET_PHY] = BCM_6358_ENET_PHY_IRQ,
+ [IRQ_OHCI0] = BCM_6358_OHCI0_IRQ,
+ [IRQ_EHCI0] = BCM_6358_EHCI0_IRQ,
+ [IRQ_PCMCIA] = BCM_6358_PCMCIA_IRQ,
+ [IRQ_ENET0_RXDMA] = BCM_6358_ENET0_RXDMA_IRQ,
+ [IRQ_ENET0_TXDMA] = BCM_6358_ENET0_TXDMA_IRQ,
+ [IRQ_ENET1_RXDMA] = BCM_6358_ENET1_RXDMA_IRQ,
+ [IRQ_ENET1_TXDMA] = BCM_6358_ENET1_TXDMA_IRQ,
+ [IRQ_PCI] = BCM_6358_PCI_IRQ,
+};
+
+u16 __bcm63xx_get_cpu_id(void)
+{
+ return bcm63xx_cpu_id;
+}
+
+EXPORT_SYMBOL(__bcm63xx_get_cpu_id);
+
+u16 bcm63xx_get_cpu_rev(void)
+{
+ return bcm63xx_cpu_rev;
+}
+
+EXPORT_SYMBOL(bcm63xx_get_cpu_rev);
+
+unsigned int bcm63xx_get_cpu_freq(void)
+{
+ return bcm63xx_cpu_freq;
+}
+
+unsigned int bcm63xx_get_memory_size(void)
+{
+ return bcm63xx_memory_size;
+}
+
+static unsigned int detect_cpu_clock(void)
+{
+ unsigned int tmp, n1 = 0, n2 = 0, m1 = 0;
+
+ /* BCM6338 has a fixed 240 Mhz frequency */
+ if (BCMCPU_IS_6338())
+ return 240000000;
+
+ /* BCM6345 has a fixed 140Mhz frequency */
+ if (BCMCPU_IS_6345())
+ return 140000000;
+
+ /*
+ * frequency depends on PLL configuration:
+ */
+ if (BCMCPU_IS_6348()) {
+ /* 16MHz * (N1 + 1) * (N2 + 2) / (M1_CPU + 1) */
+ tmp = bcm_perf_readl(PERF_MIPSPLLCTL_REG);
+ n1 = (tmp & MIPSPLLCTL_N1_MASK) >> MIPSPLLCTL_N1_SHIFT;
+ n2 = (tmp & MIPSPLLCTL_N2_MASK) >> MIPSPLLCTL_N2_SHIFT;
+ m1 = (tmp & MIPSPLLCTL_M1CPU_MASK) >> MIPSPLLCTL_M1CPU_SHIFT;
+ n1 += 1;
+ n2 += 2;
+ m1 += 1;
+ }
+
+ if (BCMCPU_IS_6358()) {
+ /* 16MHz * N1 * N2 / M1_CPU */
+ tmp = bcm_ddr_readl(DDR_DMIPSPLLCFG_REG);
+ n1 = (tmp & DMIPSPLLCFG_N1_MASK) >> DMIPSPLLCFG_N1_SHIFT;
+ n2 = (tmp & DMIPSPLLCFG_N2_MASK) >> DMIPSPLLCFG_N2_SHIFT;
+ m1 = (tmp & DMIPSPLLCFG_M1_MASK) >> DMIPSPLLCFG_M1_SHIFT;
+ }
+
+ return (16 * 1000000 * n1 * n2) / m1;
+}
+
+/*
+ * attempt to detect the amount of memory installed
+ */
+static unsigned int detect_memory_size(void)
+{
+ unsigned int cols = 0, rows = 0, is_32bits = 0, banks = 0;
+ u32 val;
+
+ if (BCMCPU_IS_6345())
+ return (8 * 1024 * 1024);
+
+ if (BCMCPU_IS_6338() || BCMCPU_IS_6348()) {
+ val = bcm_sdram_readl(SDRAM_CFG_REG);
+ rows = (val & SDRAM_CFG_ROW_MASK) >> SDRAM_CFG_ROW_SHIFT;
+ cols = (val & SDRAM_CFG_COL_MASK) >> SDRAM_CFG_COL_SHIFT;
+ is_32bits = (val & SDRAM_CFG_32B_MASK) ? 1 : 0;
+ banks = (val & SDRAM_CFG_BANK_MASK) ? 2 : 1;
+ }
+
+ if (BCMCPU_IS_6358()) {
+ val = bcm_memc_readl(MEMC_CFG_REG);
+ rows = (val & MEMC_CFG_ROW_MASK) >> MEMC_CFG_ROW_SHIFT;
+ cols = (val & MEMC_CFG_COL_MASK) >> MEMC_CFG_COL_SHIFT;
+ is_32bits = (val & MEMC_CFG_32B_MASK) ? 0 : 1;
+ banks = 2;
+ }
+
+ /* 0 => 11 address bits ... 2 => 13 address bits */
+ rows += 11;
+
+ /* 0 => 8 address bits ... 2 => 10 address bits */
+ cols += 8;
+
+ return 1 << (cols + rows + (is_32bits + 1) + banks);
+}
+
+void __init bcm63xx_cpu_init(void)
+{
+ unsigned int tmp, expected_cpu_id;
+ struct cpuinfo_mips *c = &current_cpu_data;
+
+ /* soc registers location depends on cpu type */
+ expected_cpu_id = 0;
+
+ switch (c->cputype) {
+ /*
+ * BCM6338 as the same PrId as BCM3302 see arch/mips/kernel/cpu-probe.c
+ */
+ case CPU_BCM3302:
+ expected_cpu_id = BCM6338_CPU_ID;
+ bcm63xx_regs_base = bcm96338_regs_base;
+ bcm63xx_irqs = bcm96338_irqs;
+ break;
+ case CPU_BCM6345:
+ expected_cpu_id = BCM6345_CPU_ID;
+ bcm63xx_regs_base = bcm96345_regs_base;
+ bcm63xx_irqs = bcm96345_irqs;
+ break;
+ case CPU_BCM6348:
+ expected_cpu_id = BCM6348_CPU_ID;
+ bcm63xx_regs_base = bcm96348_regs_base;
+ bcm63xx_irqs = bcm96348_irqs;
+ break;
+ case CPU_BCM6358:
+ expected_cpu_id = BCM6358_CPU_ID;
+ bcm63xx_regs_base = bcm96358_regs_base;
+ bcm63xx_irqs = bcm96358_irqs;
+ break;
+ }
+
+ /*
+ * really early to panic, but delaying panic would not help since we
+ * will never get any working console
+ */
+ if (!expected_cpu_id)
+ panic("unsupported Broadcom CPU");
+
+ /*
+ * bcm63xx_regs_base is set, we can access soc registers
+ */
+
+ /* double check CPU type */
+ tmp = bcm_perf_readl(PERF_REV_REG);
+ bcm63xx_cpu_id = (tmp & REV_CHIPID_MASK) >> REV_CHIPID_SHIFT;
+ bcm63xx_cpu_rev = (tmp & REV_REVID_MASK) >> REV_REVID_SHIFT;
+
+ if (bcm63xx_cpu_id != expected_cpu_id)
+ panic("bcm63xx CPU id mismatch");
+
+ bcm63xx_cpu_freq = detect_cpu_clock();
+ bcm63xx_memory_size = detect_memory_size();
+
+ printk(KERN_INFO "Detected Broadcom 0x%04x CPU revision %02x\n",
+ bcm63xx_cpu_id, bcm63xx_cpu_rev);
+ printk(KERN_INFO "CPU frequency is %u MHz\n",
+ bcm63xx_cpu_freq / 1000000);
+ printk(KERN_INFO "%uMB of RAM installed\n",
+ bcm63xx_memory_size >> 20);
+}
diff --git a/arch/mips/bcm63xx/cs.c b/arch/mips/bcm63xx/cs.c
new file mode 100644
index 0000000..50d8190
--- /dev/null
+++ b/arch/mips/bcm63xx/cs.c
@@ -0,0 +1,144 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/spinlock.h>
+#include <linux/log2.h>
+#include <bcm63xx_cpu.h>
+#include <bcm63xx_io.h>
+#include <bcm63xx_regs.h>
+#include <bcm63xx_cs.h>
+
+static DEFINE_SPINLOCK(bcm63xx_cs_lock);
+
+/*
+ * check if given chip select exists
+ */
+static int is_valid_cs(unsigned int cs)
+{
+ if (cs > 6)
+ return 0;
+ return 1;
+}
+
+/*
+ * Configure chipselect base address and size (bytes).
+ * Size must be a power of two between 8k and 256M.
+ */
+int bcm63xx_set_cs_base(unsigned int cs, u32 base, unsigned int size)
+{
+ unsigned long flags;
+ u32 val;
+
+ if (!is_valid_cs(cs))
+ return -EINVAL;
+
+ /* sanity check on size */
+ if (size != roundup_pow_of_two(size))
+ return -EINVAL;
+
+ if (size < 8 * 1024 || size > 256 * 1024 * 1024)
+ return -EINVAL;
+
+ val = (base & MPI_CSBASE_BASE_MASK);
+ /* 8k => 0 - 256M => 15 */
+ val |= (ilog2(size) - ilog2(8 * 1024)) << MPI_CSBASE_SIZE_SHIFT;
+
+ spin_lock_irqsave(&bcm63xx_cs_lock, flags);
+ bcm_mpi_writel(val, MPI_CSBASE_REG(cs));
+ spin_unlock_irqrestore(&bcm63xx_cs_lock, flags);
+
+ return 0;
+}
+
+EXPORT_SYMBOL(bcm63xx_set_cs_base);
+
+/*
+ * configure chipselect timing (ns)
+ */
+int bcm63xx_set_cs_timing(unsigned int cs, unsigned int wait,
+ unsigned int setup, unsigned int hold)
+{
+ unsigned long flags;
+ u32 val;
+
+ if (!is_valid_cs(cs))
+ return -EINVAL;
+
+ spin_lock_irqsave(&bcm63xx_cs_lock, flags);
+ val = bcm_mpi_readl(MPI_CSCTL_REG(cs));
+ val &= ~(MPI_CSCTL_WAIT_MASK);
+ val &= ~(MPI_CSCTL_SETUP_MASK);
+ val &= ~(MPI_CSCTL_HOLD_MASK);
+ val |= wait << MPI_CSCTL_WAIT_SHIFT;
+ val |= setup << MPI_CSCTL_SETUP_SHIFT;
+ val |= hold << MPI_CSCTL_HOLD_SHIFT;
+ bcm_mpi_writel(val, MPI_CSCTL_REG(cs));
+ spin_unlock_irqrestore(&bcm63xx_cs_lock, flags);
+
+ return 0;
+}
+
+EXPORT_SYMBOL(bcm63xx_set_cs_timing);
+
+/*
+ * configure other chipselect parameter (data bus size, ...)
+ */
+int bcm63xx_set_cs_param(unsigned int cs, u32 params)
+{
+ unsigned long flags;
+ u32 val;
+
+ if (!is_valid_cs(cs))
+ return -EINVAL;
+
+ /* none of this fields apply to pcmcia */
+ if (cs == MPI_CS_PCMCIA_COMMON ||
+ cs == MPI_CS_PCMCIA_ATTR ||
+ cs == MPI_CS_PCMCIA_IO)
+ return -EINVAL;
+
+ spin_lock_irqsave(&bcm63xx_cs_lock, flags);
+ val = bcm_mpi_readl(MPI_CSCTL_REG(cs));
+ val &= ~(MPI_CSCTL_DATA16_MASK);
+ val &= ~(MPI_CSCTL_SYNCMODE_MASK);
+ val &= ~(MPI_CSCTL_TSIZE_MASK);
+ val &= ~(MPI_CSCTL_ENDIANSWAP_MASK);
+ val |= params;
+ bcm_mpi_writel(val, MPI_CSCTL_REG(cs));
+ spin_unlock_irqrestore(&bcm63xx_cs_lock, flags);
+
+ return 0;
+}
+
+EXPORT_SYMBOL(bcm63xx_set_cs_param);
+
+/*
+ * set cs status (enable/disable)
+ */
+int bcm63xx_set_cs_status(unsigned int cs, int enable)
+{
+ unsigned long flags;
+ u32 val;
+
+ if (!is_valid_cs(cs))
+ return -EINVAL;
+
+ spin_lock_irqsave(&bcm63xx_cs_lock, flags);
+ val = bcm_mpi_readl(MPI_CSCTL_REG(cs));
+ if (enable)
+ val |= MPI_CSCTL_ENABLE_MASK;
+ else
+ val &= ~MPI_CSCTL_ENABLE_MASK;
+ bcm_mpi_writel(val, MPI_CSCTL_REG(cs));
+ spin_unlock_irqrestore(&bcm63xx_cs_lock, flags);
+ return 0;
+}
+
+EXPORT_SYMBOL(bcm63xx_set_cs_status);
diff --git a/arch/mips/bcm63xx/dev-dsp.c b/arch/mips/bcm63xx/dev-dsp.c
new file mode 100644
index 0000000..da46d1d
--- /dev/null
+++ b/arch/mips/bcm63xx/dev-dsp.c
@@ -0,0 +1,56 @@
+/*
+ * Broadcom BCM63xx VoIP DSP registration
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2009 Florian Fainelli <florian@openwrt.org>
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+
+#include <bcm63xx_cpu.h>
+#include <bcm63xx_dev_dsp.h>
+#include <bcm63xx_regs.h>
+#include <bcm63xx_io.h>
+
+static struct resource voip_dsp_resources[] = {
+ {
+ .start = -1, /* filled at runtime */
+ .end = -1, /* filled at runtime */
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = -1, /* filled at runtime */
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device bcm63xx_voip_dsp_device = {
+ .name = "bcm63xx-voip-dsp",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(voip_dsp_resources),
+ .resource = voip_dsp_resources,
+};
+
+int __init bcm63xx_dsp_register(const struct bcm63xx_dsp_platform_data *pd)
+{
+ struct bcm63xx_dsp_platform_data *dpd;
+ u32 val;
+
+ /* Get the memory window */
+ val = bcm_mpi_readl(MPI_CSBASE_REG(pd->cs - 1));
+ val &= MPI_CSBASE_BASE_MASK;
+ voip_dsp_resources[0].start = val;
+ voip_dsp_resources[0].end = val + 0xFFFFFFF;
+ voip_dsp_resources[1].start = pd->ext_irq;
+
+ /* copy given platform data */
+ dpd = bcm63xx_voip_dsp_device.dev.platform_data;
+ memcpy(dpd, pd, sizeof (*pd));
+
+ return platform_device_register(&bcm63xx_voip_dsp_device);
+}
diff --git a/arch/mips/bcm63xx/dev-enet.c b/arch/mips/bcm63xx/dev-enet.c
new file mode 100644
index 0000000..9f544ba
--- /dev/null
+++ b/arch/mips/bcm63xx/dev-enet.c
@@ -0,0 +1,159 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <bcm63xx_dev_enet.h>
+#include <bcm63xx_io.h>
+#include <bcm63xx_regs.h>
+
+static struct resource shared_res[] = {
+ {
+ .start = -1, /* filled at runtime */
+ .end = -1, /* filled at runtime */
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device bcm63xx_enet_shared_device = {
+ .name = "bcm63xx_enet_shared",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(shared_res),
+ .resource = shared_res,
+};
+
+static int shared_device_registered;
+
+static struct resource enet0_res[] = {
+ {
+ .start = -1, /* filled at runtime */
+ .end = -1, /* filled at runtime */
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = -1, /* filled at runtime */
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = -1, /* filled at runtime */
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = -1, /* filled at runtime */
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct bcm63xx_enet_platform_data enet0_pd;
+
+static struct platform_device bcm63xx_enet0_device = {
+ .name = "bcm63xx_enet",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(enet0_res),
+ .resource = enet0_res,
+ .dev = {
+ .platform_data = &enet0_pd,
+ },
+};
+
+static struct resource enet1_res[] = {
+ {
+ .start = -1, /* filled at runtime */
+ .end = -1, /* filled at runtime */
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = -1, /* filled at runtime */
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = -1, /* filled at runtime */
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = -1, /* filled at runtime */
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct bcm63xx_enet_platform_data enet1_pd;
+
+static struct platform_device bcm63xx_enet1_device = {
+ .name = "bcm63xx_enet",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(enet1_res),
+ .resource = enet1_res,
+ .dev = {
+ .platform_data = &enet1_pd,
+ },
+};
+
+int __init bcm63xx_enet_register(int unit,
+ const struct bcm63xx_enet_platform_data *pd)
+{
+ struct platform_device *pdev;
+ struct bcm63xx_enet_platform_data *dpd;
+ int ret;
+
+ if (unit > 1)
+ return -ENODEV;
+
+ if (!shared_device_registered) {
+ shared_res[0].start = bcm63xx_regset_address(RSET_ENETDMA);
+ shared_res[0].end = shared_res[0].start;
+ if (BCMCPU_IS_6338())
+ shared_res[0].end += (RSET_ENETDMA_SIZE / 2) - 1;
+ else
+ shared_res[0].end += (RSET_ENETDMA_SIZE) - 1;
+
+ ret = platform_device_register(&bcm63xx_enet_shared_device);
+ if (ret)
+ return ret;
+ shared_device_registered = 1;
+ }
+
+ if (unit == 0) {
+ enet0_res[0].start = bcm63xx_regset_address(RSET_ENET0);
+ enet0_res[0].end = enet0_res[0].start;
+ enet0_res[0].end += RSET_ENET_SIZE - 1;
+ enet0_res[1].start = bcm63xx_get_irq_number(IRQ_ENET0);
+ enet0_res[2].start = bcm63xx_get_irq_number(IRQ_ENET0_RXDMA);
+ enet0_res[3].start = bcm63xx_get_irq_number(IRQ_ENET0_TXDMA);
+ pdev = &bcm63xx_enet0_device;
+ } else {
+ enet1_res[0].start = bcm63xx_regset_address(RSET_ENET1);
+ enet1_res[0].end = enet1_res[0].start;
+ enet1_res[0].end += RSET_ENET_SIZE - 1;
+ enet1_res[1].start = bcm63xx_get_irq_number(IRQ_ENET1);
+ enet1_res[2].start = bcm63xx_get_irq_number(IRQ_ENET1_RXDMA);
+ enet1_res[3].start = bcm63xx_get_irq_number(IRQ_ENET1_TXDMA);
+ pdev = &bcm63xx_enet1_device;
+ }
+
+ /* copy given platform data */
+ dpd = pdev->dev.platform_data;
+ memcpy(dpd, pd, sizeof(*pd));
+
+ /* adjust them in case internal phy is used */
+ if (dpd->use_internal_phy) {
+
+ /* internal phy only exists for enet0 */
+ if (unit == 1)
+ return -ENODEV;
+
+ dpd->phy_id = 1;
+ dpd->has_phy_interrupt = 1;
+ dpd->phy_interrupt = bcm63xx_get_irq_number(IRQ_ENET_PHY);
+ }
+
+ ret = platform_device_register(pdev);
+ if (ret)
+ return ret;
+ return 0;
+}
diff --git a/arch/mips/bcm63xx/early_printk.c b/arch/mips/bcm63xx/early_printk.c
new file mode 100644
index 0000000..bf353c9
--- /dev/null
+++ b/arch/mips/bcm63xx/early_printk.c
@@ -0,0 +1,30 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
+ */
+
+#include <linux/init.h>
+#include <bcm63xx_io.h>
+#include <bcm63xx_regs.h>
+
+static void __init wait_xfered(void)
+{
+ unsigned int val;
+
+ /* wait for any previous char to be transmitted */
+ do {
+ val = bcm_uart0_readl(UART_IR_REG);
+ if (val & UART_IR_STAT(UART_IR_TXEMPTY))
+ break;
+ } while (1);
+}
+
+void __init prom_putchar(char c)
+{
+ wait_xfered();
+ bcm_uart0_writel(c, UART_FIFO_REG);
+ wait_xfered();
+}
diff --git a/arch/mips/bcm63xx/gpio.c b/arch/mips/bcm63xx/gpio.c
new file mode 100644
index 0000000..87ca390
--- /dev/null
+++ b/arch/mips/bcm63xx/gpio.c
@@ -0,0 +1,134 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
+ * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org>
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/spinlock.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+
+#include <bcm63xx_cpu.h>
+#include <bcm63xx_gpio.h>
+#include <bcm63xx_io.h>
+#include <bcm63xx_regs.h>
+
+static DEFINE_SPINLOCK(bcm63xx_gpio_lock);
+static u32 gpio_out_low, gpio_out_high;
+
+static void bcm63xx_gpio_set(struct gpio_chip *chip,
+ unsigned gpio, int val)
+{
+ u32 reg;
+ u32 mask;
+ u32 *v;
+ unsigned long flags;
+
+ if (gpio >= chip->ngpio)
+ BUG();
+
+ if (gpio < 32) {
+ reg = GPIO_DATA_LO_REG;
+ mask = 1 << gpio;
+ v = &gpio_out_low;
+ } else {
+ reg = GPIO_DATA_HI_REG;
+ mask = 1 << (gpio - 32);
+ v = &gpio_out_high;
+ }
+
+ spin_lock_irqsave(&bcm63xx_gpio_lock, flags);
+ if (val)
+ *v |= mask;
+ else
+ *v &= ~mask;
+ bcm_gpio_writel(*v, reg);
+ spin_unlock_irqrestore(&bcm63xx_gpio_lock, flags);
+}
+
+static int bcm63xx_gpio_get(struct gpio_chip *chip, unsigned gpio)
+{
+ u32 reg;
+ u32 mask;
+
+ if (gpio >= chip->ngpio)
+ BUG();
+
+ if (gpio < 32) {
+ reg = GPIO_DATA_LO_REG;
+ mask = 1 << gpio;
+ } else {
+ reg = GPIO_DATA_HI_REG;
+ mask = 1 << (gpio - 32);
+ }
+
+ return !!(bcm_gpio_readl(reg) & mask);
+}
+
+static int bcm63xx_gpio_set_direction(struct gpio_chip *chip,
+ unsigned gpio, int dir)
+{
+ u32 reg;
+ u32 mask;
+ u32 tmp;
+ unsigned long flags;
+
+ if (gpio >= chip->ngpio)
+ BUG();
+
+ if (gpio < 32) {
+ reg = GPIO_CTL_LO_REG;
+ mask = 1 << gpio;
+ } else {
+ reg = GPIO_CTL_HI_REG;
+ mask = 1 << (gpio - 32);
+ }
+
+ spin_lock_irqsave(&bcm63xx_gpio_lock, flags);
+ tmp = bcm_gpio_readl(reg);
+ if (dir == GPIO_DIR_IN)
+ tmp &= ~mask;
+ else
+ tmp |= mask;
+ bcm_gpio_writel(tmp, reg);
+ spin_unlock_irqrestore(&bcm63xx_gpio_lock, flags);
+
+ return 0;
+}
+
+static int bcm63xx_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
+{
+ return bcm63xx_gpio_set_direction(chip, gpio, GPIO_DIR_IN);
+}
+
+static int bcm63xx_gpio_direction_output(struct gpio_chip *chip,
+ unsigned gpio, int value)
+{
+ bcm63xx_gpio_set(chip, gpio, value);
+ return bcm63xx_gpio_set_direction(chip, gpio, GPIO_DIR_OUT);
+}
+
+
+static struct gpio_chip bcm63xx_gpio_chip = {
+ .label = "bcm63xx-gpio",
+ .direction_input = bcm63xx_gpio_direction_input,
+ .direction_output = bcm63xx_gpio_direction_output,
+ .get = bcm63xx_gpio_get,
+ .set = bcm63xx_gpio_set,
+ .base = 0,
+};
+
+int __init bcm63xx_gpio_init(void)
+{
+ bcm63xx_gpio_chip.ngpio = bcm63xx_gpio_count();
+ pr_info("registering %d GPIOs\n", bcm63xx_gpio_chip.ngpio);
+
+ return gpiochip_add(&bcm63xx_gpio_chip);
+}
+
+arch_initcall(bcm63xx_gpio_init);
diff --git a/arch/mips/bcm63xx/irq.c b/arch/mips/bcm63xx/irq.c
new file mode 100644
index 0000000..a0c5cd1
--- /dev/null
+++ b/arch/mips/bcm63xx/irq.c
@@ -0,0 +1,253 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
+ * Copyright (C) 2008 Nicolas Schichan <nschichan@freebox.fr>
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <asm/irq_cpu.h>
+#include <asm/mipsregs.h>
+#include <bcm63xx_cpu.h>
+#include <bcm63xx_regs.h>
+#include <bcm63xx_io.h>
+#include <bcm63xx_irq.h>
+
+/*
+ * dispatch internal devices IRQ (uart, enet, watchdog, ...). do not
+ * prioritize any interrupt relatively to another. the static counter
+ * will resume the loop where it ended the last time we left this
+ * function.
+ */
+static void bcm63xx_irq_dispatch_internal(void)
+{
+ u32 pending;
+ static int i;
+
+ pending = bcm_perf_readl(PERF_IRQMASK_REG) &
+ bcm_perf_readl(PERF_IRQSTAT_REG);
+
+ if (!pending)
+ return ;
+
+ while (1) {
+ int to_call = i;
+
+ i = (i + 1) & 0x1f;
+ if (pending & (1 << to_call)) {
+ do_IRQ(to_call + IRQ_INTERNAL_BASE);
+ break;
+ }
+ }
+}
+
+asmlinkage void plat_irq_dispatch(void)
+{
+ u32 cause;
+
+ do {
+ cause = read_c0_cause() & read_c0_status() & ST0_IM;
+
+ if (!cause)
+ break;
+
+ if (cause & CAUSEF_IP7)
+ do_IRQ(7);
+ if (cause & CAUSEF_IP2)
+ bcm63xx_irq_dispatch_internal();
+ if (cause & CAUSEF_IP3)
+ do_IRQ(IRQ_EXT_0);
+ if (cause & CAUSEF_IP4)
+ do_IRQ(IRQ_EXT_1);
+ if (cause & CAUSEF_IP5)
+ do_IRQ(IRQ_EXT_2);
+ if (cause & CAUSEF_IP6)
+ do_IRQ(IRQ_EXT_3);
+ } while (1);
+}
+
+/*
+ * internal IRQs operations: only mask/unmask on PERF irq mask
+ * register.
+ */
+static inline void bcm63xx_internal_irq_mask(unsigned int irq)
+{
+ u32 mask;
+
+ irq -= IRQ_INTERNAL_BASE;
+ mask = bcm_perf_readl(PERF_IRQMASK_REG);
+ mask &= ~(1 << irq);
+ bcm_perf_writel(mask, PERF_IRQMASK_REG);
+}
+
+static void bcm63xx_internal_irq_unmask(unsigned int irq)
+{
+ u32 mask;
+
+ irq -= IRQ_INTERNAL_BASE;
+ mask = bcm_perf_readl(PERF_IRQMASK_REG);
+ mask |= (1 << irq);
+ bcm_perf_writel(mask, PERF_IRQMASK_REG);
+}
+
+static unsigned int bcm63xx_internal_irq_startup(unsigned int irq)
+{
+ bcm63xx_internal_irq_unmask(irq);
+ return 0;
+}
+
+/*
+ * external IRQs operations: mask/unmask and clear on PERF external
+ * irq control register.
+ */
+static void bcm63xx_external_irq_mask(unsigned int irq)
+{
+ u32 reg;
+
+ irq -= IRQ_EXT_BASE;
+ reg = bcm_perf_readl(PERF_EXTIRQ_CFG_REG);
+ reg &= ~EXTIRQ_CFG_MASK(irq);
+ bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG);
+}
+
+static void bcm63xx_external_irq_unmask(unsigned int irq)
+{
+ u32 reg;
+
+ irq -= IRQ_EXT_BASE;
+ reg = bcm_perf_readl(PERF_EXTIRQ_CFG_REG);
+ reg |= EXTIRQ_CFG_MASK(irq);
+ bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG);
+}
+
+static void bcm63xx_external_irq_clear(unsigned int irq)
+{
+ u32 reg;
+
+ irq -= IRQ_EXT_BASE;
+ reg = bcm_perf_readl(PERF_EXTIRQ_CFG_REG);
+ reg |= EXTIRQ_CFG_CLEAR(irq);
+ bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG);
+}
+
+static unsigned int bcm63xx_external_irq_startup(unsigned int irq)
+{
+ set_c0_status(0x100 << (irq - IRQ_MIPS_BASE));
+ irq_enable_hazard();
+ bcm63xx_external_irq_unmask(irq);
+ return 0;
+}
+
+static void bcm63xx_external_irq_shutdown(unsigned int irq)
+{
+ bcm63xx_external_irq_mask(irq);
+ clear_c0_status(0x100 << (irq - IRQ_MIPS_BASE));
+ irq_disable_hazard();
+}
+
+static int bcm63xx_external_irq_set_type(unsigned int irq,
+ unsigned int flow_type)
+{
+ u32 reg;
+ struct irq_desc *desc = irq_desc + irq;
+
+ irq -= IRQ_EXT_BASE;
+
+ flow_type &= IRQ_TYPE_SENSE_MASK;
+
+ if (flow_type == IRQ_TYPE_NONE)
+ flow_type = IRQ_TYPE_LEVEL_LOW;
+
+ reg = bcm_perf_readl(PERF_EXTIRQ_CFG_REG);
+ switch (flow_type) {
+ case IRQ_TYPE_EDGE_BOTH:
+ reg &= ~EXTIRQ_CFG_LEVELSENSE(irq);
+ reg |= EXTIRQ_CFG_BOTHEDGE(irq);
+ break;
+
+ case IRQ_TYPE_EDGE_RISING:
+ reg &= ~EXTIRQ_CFG_LEVELSENSE(irq);
+ reg |= EXTIRQ_CFG_SENSE(irq);
+ reg &= ~EXTIRQ_CFG_BOTHEDGE(irq);
+ break;
+
+ case IRQ_TYPE_EDGE_FALLING:
+ reg &= ~EXTIRQ_CFG_LEVELSENSE(irq);
+ reg &= ~EXTIRQ_CFG_SENSE(irq);
+ reg &= ~EXTIRQ_CFG_BOTHEDGE(irq);
+ break;
+
+ case IRQ_TYPE_LEVEL_HIGH:
+ reg |= EXTIRQ_CFG_LEVELSENSE(irq);
+ reg |= EXTIRQ_CFG_SENSE(irq);
+ break;
+
+ case IRQ_TYPE_LEVEL_LOW:
+ reg |= EXTIRQ_CFG_LEVELSENSE(irq);
+ reg &= ~EXTIRQ_CFG_SENSE(irq);
+ break;
+
+ default:
+ printk(KERN_ERR "bogus flow type combination given !\n");
+ return -EINVAL;
+ }
+ bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG);
+
+ if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) {
+ desc->status |= IRQ_LEVEL;
+ desc->handle_irq = handle_level_irq;
+ } else {
+ desc->handle_irq = handle_edge_irq;
+ }
+
+ return 0;
+}
+
+static struct irq_chip bcm63xx_internal_irq_chip = {
+ .name = "bcm63xx_ipic",
+ .startup = bcm63xx_internal_irq_startup,
+ .shutdown = bcm63xx_internal_irq_mask,
+
+ .mask = bcm63xx_internal_irq_mask,
+ .mask_ack = bcm63xx_internal_irq_mask,
+ .unmask = bcm63xx_internal_irq_unmask,
+};
+
+static struct irq_chip bcm63xx_external_irq_chip = {
+ .name = "bcm63xx_epic",
+ .startup = bcm63xx_external_irq_startup,
+ .shutdown = bcm63xx_external_irq_shutdown,
+
+ .ack = bcm63xx_external_irq_clear,
+
+ .mask = bcm63xx_external_irq_mask,
+ .unmask = bcm63xx_external_irq_unmask,
+
+ .set_type = bcm63xx_external_irq_set_type,
+};
+
+static struct irqaction cpu_ip2_cascade_action = {
+ .handler = no_action,
+ .name = "cascade_ip2",
+};
+
+void __init arch_init_irq(void)
+{
+ int i;
+
+ mips_cpu_irq_init();
+ for (i = IRQ_INTERNAL_BASE; i < NR_IRQS; ++i)
+ set_irq_chip_and_handler(i, &bcm63xx_internal_irq_chip,
+ handle_level_irq);
+
+ for (i = IRQ_EXT_BASE; i < IRQ_EXT_BASE + 4; ++i)
+ set_irq_chip_and_handler(i, &bcm63xx_external_irq_chip,
+ handle_edge_irq);
+
+ setup_irq(IRQ_MIPS_BASE + 2, &cpu_ip2_cascade_action);
+}
diff --git a/arch/mips/bcm63xx/prom.c b/arch/mips/bcm63xx/prom.c
new file mode 100644
index 0000000..fb284fb
--- /dev/null
+++ b/arch/mips/bcm63xx/prom.c
@@ -0,0 +1,55 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
+ */
+
+#include <linux/init.h>
+#include <linux/bootmem.h>
+#include <asm/bootinfo.h>
+#include <bcm63xx_board.h>
+#include <bcm63xx_cpu.h>
+#include <bcm63xx_io.h>
+#include <bcm63xx_regs.h>
+#include <bcm63xx_gpio.h>
+
+void __init prom_init(void)
+{
+ u32 reg, mask;
+
+ bcm63xx_cpu_init();
+
+ /* stop any running watchdog */
+ bcm_wdt_writel(WDT_STOP_1, WDT_CTL_REG);
+ bcm_wdt_writel(WDT_STOP_2, WDT_CTL_REG);
+
+ /* disable all hardware blocks clock for now */
+ if (BCMCPU_IS_6338())
+ mask = CKCTL_6338_ALL_SAFE_EN;
+ else if (BCMCPU_IS_6345())
+ mask = CKCTL_6345_ALL_SAFE_EN;
+ else if (BCMCPU_IS_6348())
+ mask = CKCTL_6348_ALL_SAFE_EN;
+ else
+ /* BCMCPU_IS_6358() */
+ mask = CKCTL_6358_ALL_SAFE_EN;
+
+ reg = bcm_perf_readl(PERF_CKCTL_REG);
+ reg &= ~mask;
+ bcm_perf_writel(reg, PERF_CKCTL_REG);
+
+ /* assign command line from kernel config */
+ strcpy(arcs_cmdline, CONFIG_CMDLINE);
+
+ /* register gpiochip */
+ bcm63xx_gpio_init();
+
+ /* do low level board init */
+ board_prom_init();
+}
+
+void __init prom_free_prom_memory(void)
+{
+}
diff --git a/arch/mips/bcm63xx/setup.c b/arch/mips/bcm63xx/setup.c
new file mode 100644
index 0000000..b18a0ca
--- /dev/null
+++ b/arch/mips/bcm63xx/setup.c
@@ -0,0 +1,125 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include <linux/bootmem.h>
+#include <linux/ioport.h>
+#include <linux/pm.h>
+#include <asm/bootinfo.h>
+#include <asm/time.h>
+#include <asm/reboot.h>
+#include <asm/cacheflush.h>
+#include <bcm63xx_board.h>
+#include <bcm63xx_cpu.h>
+#include <bcm63xx_regs.h>
+#include <bcm63xx_io.h>
+
+void bcm63xx_machine_halt(void)
+{
+ printk(KERN_INFO "System halted\n");
+ while (1)
+ ;
+}
+
+static void bcm6348_a1_reboot(void)
+{
+ u32 reg;
+
+ /* soft reset all blocks */
+ printk(KERN_INFO "soft-reseting all blocks ...\n");
+ reg = bcm_perf_readl(PERF_SOFTRESET_REG);
+ reg &= ~SOFTRESET_6348_ALL;
+ bcm_perf_writel(reg, PERF_SOFTRESET_REG);
+ mdelay(10);
+
+ reg = bcm_perf_readl(PERF_SOFTRESET_REG);
+ reg |= SOFTRESET_6348_ALL;
+ bcm_perf_writel(reg, PERF_SOFTRESET_REG);
+ mdelay(10);
+
+ /* Jump to the power on address. */
+ printk(KERN_INFO "jumping to reset vector.\n");
+ /* set high vectors (base at 0xbfc00000 */
+ set_c0_status(ST0_BEV | ST0_ERL);
+ /* run uncached in kseg0 */
+ change_c0_config(CONF_CM_CMASK, CONF_CM_UNCACHED);
+ __flush_cache_all();
+ /* remove all wired TLB entries */
+ write_c0_wired(0);
+ __asm__ __volatile__(
+ "jr\t%0"
+ :
+ : "r" (0xbfc00000));
+ while (1)
+ ;
+}
+
+void bcm63xx_machine_reboot(void)
+{
+ u32 reg;
+
+ /* mask and clear all external irq */
+ reg = bcm_perf_readl(PERF_EXTIRQ_CFG_REG);
+ reg &= ~EXTIRQ_CFG_MASK_ALL;
+ reg |= EXTIRQ_CFG_CLEAR_ALL;
+ bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG);
+
+ if (BCMCPU_IS_6348() && (bcm63xx_get_cpu_rev() == 0xa1))
+ bcm6348_a1_reboot();
+
+ printk(KERN_INFO "triggering watchdog soft-reset...\n");
+ bcm_perf_writel(SYS_PLL_SOFT_RESET, PERF_SYS_PLL_CTL_REG);
+ while (1)
+ ;
+}
+
+static void __bcm63xx_machine_reboot(char *p)
+{
+ bcm63xx_machine_reboot();
+}
+
+/*
+ * return system type in /proc/cpuinfo
+ */
+const char *get_system_type(void)
+{
+ static char buf[128];
+ snprintf(buf, sizeof(buf), "bcm63xx/%s (0x%04x/0x%04X)",
+ board_get_name(),
+ bcm63xx_get_cpu_id(), bcm63xx_get_cpu_rev());
+ return buf;
+}
+
+void __init plat_time_init(void)
+{
+ mips_hpt_frequency = bcm63xx_get_cpu_freq() / 2;
+}
+
+void __init plat_mem_setup(void)
+{
+ add_memory_region(0, bcm63xx_get_memory_size(), BOOT_MEM_RAM);
+
+ _machine_halt = bcm63xx_machine_halt;
+ _machine_restart = __bcm63xx_machine_reboot;
+ pm_power_off = bcm63xx_machine_halt;
+
+ set_io_port_base(0);
+ ioport_resource.start = 0;
+ ioport_resource.end = ~0;
+
+ board_setup();
+}
+
+int __init bcm63xx_register_devices(void)
+{
+ return board_register_devices();
+}
+
+arch_initcall(bcm63xx_register_devices);
diff --git a/arch/mips/bcm63xx/timer.c b/arch/mips/bcm63xx/timer.c
new file mode 100644
index 0000000..ba522bd
--- /dev/null
+++ b/arch/mips/bcm63xx/timer.c
@@ -0,0 +1,205 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
+ */
+
+#include <linux/kernel.h>
+#include <linux/err.h>
+#include <linux/module.h>
+#include <linux/spinlock.h>
+#include <linux/interrupt.h>
+#include <linux/clk.h>
+#include <bcm63xx_cpu.h>
+#include <bcm63xx_io.h>
+#include <bcm63xx_timer.h>
+#include <bcm63xx_regs.h>
+
+static DEFINE_SPINLOCK(timer_reg_lock);
+static DEFINE_SPINLOCK(timer_data_lock);
+static struct clk *periph_clk;
+
+static struct timer_data {
+ void (*cb)(void *);
+ void *data;
+} timer_data[BCM63XX_TIMER_COUNT];
+
+static irqreturn_t timer_interrupt(int irq, void *dev_id)
+{
+ u32 stat;
+ int i;
+
+ spin_lock(&timer_reg_lock);
+ stat = bcm_timer_readl(TIMER_IRQSTAT_REG);
+ bcm_timer_writel(stat, TIMER_IRQSTAT_REG);
+ spin_unlock(&timer_reg_lock);
+
+ for (i = 0; i < BCM63XX_TIMER_COUNT; i++) {
+ if (!(stat & TIMER_IRQSTAT_TIMER_CAUSE(i)))
+ continue;
+
+ spin_lock(&timer_data_lock);
+ if (!timer_data[i].cb) {
+ spin_unlock(&timer_data_lock);
+ continue;
+ }
+
+ timer_data[i].cb(timer_data[i].data);
+ spin_unlock(&timer_data_lock);
+ }
+
+ return IRQ_HANDLED;
+}
+
+int bcm63xx_timer_enable(int id)
+{
+ u32 reg;
+ unsigned long flags;
+
+ if (id >= BCM63XX_TIMER_COUNT)
+ return -EINVAL;
+
+ spin_lock_irqsave(&timer_reg_lock, flags);
+
+ reg = bcm_timer_readl(TIMER_CTLx_REG(id));
+ reg |= TIMER_CTL_ENABLE_MASK;
+ bcm_timer_writel(reg, TIMER_CTLx_REG(id));
+
+ reg = bcm_timer_readl(TIMER_IRQSTAT_REG);
+ reg |= TIMER_IRQSTAT_TIMER_IR_EN(id);
+ bcm_timer_writel(reg, TIMER_IRQSTAT_REG);
+
+ spin_unlock_irqrestore(&timer_reg_lock, flags);
+ return 0;
+}
+
+EXPORT_SYMBOL(bcm63xx_timer_enable);
+
+int bcm63xx_timer_disable(int id)
+{
+ u32 reg;
+ unsigned long flags;
+
+ if (id >= BCM63XX_TIMER_COUNT)
+ return -EINVAL;
+
+ spin_lock_irqsave(&timer_reg_lock, flags);
+
+ reg = bcm_timer_readl(TIMER_CTLx_REG(id));
+ reg &= ~TIMER_CTL_ENABLE_MASK;
+ bcm_timer_writel(reg, TIMER_CTLx_REG(id));
+
+ reg = bcm_timer_readl(TIMER_IRQSTAT_REG);
+ reg &= ~TIMER_IRQSTAT_TIMER_IR_EN(id);
+ bcm_timer_writel(reg, TIMER_IRQSTAT_REG);
+
+ spin_unlock_irqrestore(&timer_reg_lock, flags);
+ return 0;
+}
+
+EXPORT_SYMBOL(bcm63xx_timer_disable);
+
+int bcm63xx_timer_register(int id, void (*callback)(void *data), void *data)
+{
+ unsigned long flags;
+ int ret;
+
+ if (id >= BCM63XX_TIMER_COUNT || !callback)
+ return -EINVAL;
+
+ ret = 0;
+ spin_lock_irqsave(&timer_data_lock, flags);
+ if (timer_data[id].cb) {
+ ret = -EBUSY;
+ goto out;
+ }
+
+ timer_data[id].cb = callback;
+ timer_data[id].data = data;
+
+out:
+ spin_unlock_irqrestore(&timer_data_lock, flags);
+ return ret;
+}
+
+EXPORT_SYMBOL(bcm63xx_timer_register);
+
+void bcm63xx_timer_unregister(int id)
+{
+ unsigned long flags;
+
+ if (id >= BCM63XX_TIMER_COUNT)
+ return;
+
+ spin_lock_irqsave(&timer_data_lock, flags);
+ timer_data[id].cb = NULL;
+ spin_unlock_irqrestore(&timer_data_lock, flags);
+}
+
+EXPORT_SYMBOL(bcm63xx_timer_unregister);
+
+unsigned int bcm63xx_timer_countdown(unsigned int countdown_us)
+{
+ return (clk_get_rate(periph_clk) / (1000 * 1000)) * countdown_us;
+}
+
+EXPORT_SYMBOL(bcm63xx_timer_countdown);
+
+int bcm63xx_timer_set(int id, int monotonic, unsigned int countdown_us)
+{
+ u32 reg, countdown;
+ unsigned long flags;
+
+ if (id >= BCM63XX_TIMER_COUNT)
+ return -EINVAL;
+
+ countdown = bcm63xx_timer_countdown(countdown_us);
+ if (countdown & ~TIMER_CTL_COUNTDOWN_MASK)
+ return -EINVAL;
+
+ spin_lock_irqsave(&timer_reg_lock, flags);
+ reg = bcm_timer_readl(TIMER_CTLx_REG(id));
+
+ if (monotonic)
+ reg &= ~TIMER_CTL_MONOTONIC_MASK;
+ else
+ reg |= TIMER_CTL_MONOTONIC_MASK;
+
+ reg &= ~TIMER_CTL_COUNTDOWN_MASK;
+ reg |= countdown;
+ bcm_timer_writel(reg, TIMER_CTLx_REG(id));
+
+ spin_unlock_irqrestore(&timer_reg_lock, flags);
+ return 0;
+}
+
+EXPORT_SYMBOL(bcm63xx_timer_set);
+
+int bcm63xx_timer_init(void)
+{
+ int ret, irq;
+ u32 reg;
+
+ reg = bcm_timer_readl(TIMER_IRQSTAT_REG);
+ reg &= ~TIMER_IRQSTAT_TIMER0_IR_EN;
+ reg &= ~TIMER_IRQSTAT_TIMER1_IR_EN;
+ reg &= ~TIMER_IRQSTAT_TIMER2_IR_EN;
+ bcm_timer_writel(reg, TIMER_IRQSTAT_REG);
+
+ periph_clk = clk_get(NULL, "periph");
+ if (IS_ERR(periph_clk))
+ return -ENODEV;
+
+ irq = bcm63xx_get_irq_number(IRQ_TIMER);
+ ret = request_irq(irq, timer_interrupt, 0, "bcm63xx_timer", NULL);
+ if (ret) {
+ printk(KERN_ERR "bcm63xx_timer: failed to register irq\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+arch_initcall(bcm63xx_timer_init);
generated by cgit v0.10.2 at 2024-11-03 13:27:16 (GMT)