diff options
Diffstat (limited to 'target/linux/brcm63xx/files-2.6.30/arch/mips/bcm63xx/boards/board_livebox.c')
-rw-r--r-- | target/linux/brcm63xx/files-2.6.30/arch/mips/bcm63xx/boards/board_livebox.c | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/files-2.6.30/arch/mips/bcm63xx/boards/board_livebox.c b/target/linux/brcm63xx/files-2.6.30/arch/mips/bcm63xx/boards/board_livebox.c new file mode 100644 index 0000000000..06ca83b591 --- /dev/null +++ b/target/linux/brcm63xx/files-2.6.30/arch/mips/bcm63xx/boards/board_livebox.c @@ -0,0 +1,227 @@ +/* + * 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 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 <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_wdt.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_livebox: " + +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_livebox = { + .name = "Livebox", + .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, +}; +#endif + +/* + * all boards + */ +static const struct board_info __initdata *bcm963xx_boards[] = { +#ifdef CONFIG_BCM63XX_CPU_6348 + &board_livebox +#endif +}; + +/* + * early init callback + */ +void __init board_prom_init(void) +{ + u32 val; + + /* read base address of boot chip select (0) */ + val = bcm_mpi_readl(MPI_CSBASE_REG(0)); + val &= MPI_CSBASE_BASE_MASK; + + /* assume board is a Livebox */ + memcpy(&board, bcm963xx_boards[0], sizeof(board)); + + /* 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 default_mac[ETH_ALEN] = {0x00, 0x07, 0x3A, 0x00, 0x00, 0x00}; + u8 *p; + int count; + + memcpy(mac, default_mac, 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 resource mtd_resources[] = { + { + .start = 0, /* filled at runtime */ + .end = 0, /* filled at runtime */ + .flags = IORESOURCE_MEM, + } +}; + +static struct platform_device mtd_dev = { + .name = "bcm963xx-flash", + .resource = mtd_resources, + .num_resources = ARRAY_SIZE(mtd_resources), +}; + + +/* + * third stage init callback, register all board devices. + */ +int __init board_register_devices(void) +{ + u32 val; + + bcm63xx_uart_register(); + bcm63xx_wdt_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; +} + |