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author | Florian Fainelli <florian@openwrt.org> | 2008-11-26 18:41:01 +0000 |
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committer | Florian Fainelli <florian@openwrt.org> | 2008-11-26 18:41:01 +0000 |
commit | 7813d1dd295fb19ce6b8894b9b435a3cf32ea3f4 (patch) | |
tree | 6fde2e69d2148e574198abd03d835771086266a3 /target/linux/brcm63xx/files/arch/mips/bcm63xx/boards/board_bcm963xx.c | |
parent | 0e751fdb2f8007dc0e6d8cf109fc7dd5669beb67 (diff) | |
download | master-187ad058-7813d1dd295fb19ce6b8894b9b435a3cf32ea3f4.tar.gz master-187ad058-7813d1dd295fb19ce6b8894b9b435a3cf32ea3f4.tar.bz2 master-187ad058-7813d1dd295fb19ce6b8894b9b435a3cf32ea3f4.zip |
Flatten brcm63xx patches, should make our life easier to patch files now ;)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13368 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/brcm63xx/files/arch/mips/bcm63xx/boards/board_bcm963xx.c')
-rw-r--r-- | target/linux/brcm63xx/files/arch/mips/bcm63xx/boards/board_bcm963xx.c | 383 |
1 files changed, 383 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/files/arch/mips/bcm63xx/boards/board_bcm963xx.c b/target/linux/brcm63xx/files/arch/mips/bcm63xx/boards/board_bcm963xx.c new file mode 100644 index 0000000000..1c3073efda --- /dev/null +++ b/target/linux/brcm63xx/files/arch/mips/bcm63xx/boards/board_bcm963xx.c @@ -0,0 +1,383 @@ +/* + * 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/string.h> +#include <linux/platform_device.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.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_uart.h> +#include <bcm63xx_dev_enet.h> +#include <bcm63xx_dev_pcmcia.h> +#include <bcm63xx_dev_usb_ohci.h> +#include <bcm63xx_dev_usb_ehci.h> +#include <board_bcm963xx.h> + +#define PFX "board_bcm963xx: " + +static struct bcm963xx_nvram nvram; +static unsigned int mac_addr_used = 0; +static struct board_info board; + +/* + * 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, + }, +}; + +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, +}; + +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, + }, +}; +#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, +}; + +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, +}; +#endif + +/* + * all boards + */ +static const struct board_info __initdata *bcm963xx_boards[] = { +#ifdef CONFIG_BCM63XX_CPU_6348 + &board_96348r, + &board_96348gw, + &board_96348gw_11, +#endif + +#ifdef CONFIG_BCM63XX_CPU_6358 + &board_96358vw, + &board_96358vw2, +#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) */ + 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; + + if (board.has_pci) { + bcm63xx_pci_enabled = 1; + if (BCMCPU_IS_6348()) + val |= GPIO_MODE_6348_G2_PCI; + } + + 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, + }, +}; + +/* + * third stage init callback, register all board devices. + */ +int __init board_register_devices(void) +{ + u32 val; + + bcm63xx_uart_register(); + + if (board.has_pccard) + bcm63xx_pcmcia_register(); + + 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_ohci0) + bcm63xx_ohci_register(); + + if (board.has_ehci0) + bcm63xx_ehci_register(); + + + /* read base address of boot chip select (0) */ + 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); + + return 0; +} + |