mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
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e830a5a13e
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13690 3c298f89-4303-0410-b956-a3cf2f4a3e73
228 lines
4.6 KiB
C
228 lines
4.6 KiB
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2008 Florian Fainelli <florian@openwrt.org>
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*/
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/string.h>
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#include <linux/platform_device.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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#include <linux/mtd/physmap.h>
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#include <asm/addrspace.h>
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#include <bcm63xx_board.h>
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#include <bcm63xx_cpu.h>
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#include <bcm63xx_regs.h>
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#include <bcm63xx_io.h>
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#include <bcm63xx_board.h>
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#include <bcm63xx_dev_pci.h>
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#include <bcm63xx_dev_uart.h>
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#include <bcm63xx_dev_wdt.h>
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#include <bcm63xx_dev_enet.h>
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#include <bcm63xx_dev_pcmcia.h>
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#include <bcm63xx_dev_usb_ohci.h>
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#include <bcm63xx_dev_usb_ehci.h>
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#include <board_bcm963xx.h>
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#define PFX "board_livebox: "
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static unsigned int mac_addr_used = 0;
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static struct board_info board;
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/*
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* known 6348 boards
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*/
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#ifdef CONFIG_BCM63XX_CPU_6348
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static struct board_info __initdata board_livebox = {
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.name = "Livebox",
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.expected_cpu_id = 0x6348,
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.has_enet0 = 1,
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.has_enet1 = 1,
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.has_pci = 1,
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.enet0 = {
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.has_phy = 1,
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.use_internal_phy = 1,
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},
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.enet1 = {
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.force_speed_100 = 1,
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.force_duplex_full = 1,
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},
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.has_ohci0 = 1,
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.has_pccard = 1,
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.has_ehci0 = 1,
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};
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#endif
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/*
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* all boards
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*/
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static const struct board_info __initdata *bcm963xx_boards[] = {
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#ifdef CONFIG_BCM63XX_CPU_6348
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&board_livebox
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#endif
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};
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/*
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* early init callback
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*/
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void __init board_prom_init(void)
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{
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u32 val;
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/* read base address of boot chip select (0) */
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val = bcm_mpi_readl(MPI_CSBASE_REG(0));
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val &= MPI_CSBASE_BASE_MASK;
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/* assume board is a Livebox */
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memcpy(&board, bcm963xx_boards[0], sizeof(board));
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/* setup pin multiplexing depending on board enabled device,
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* this has to be done this early since PCI init is done
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* inside arch_initcall */
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val = 0;
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if (board.has_pci) {
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bcm63xx_pci_enabled = 1;
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if (BCMCPU_IS_6348())
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val |= GPIO_MODE_6348_G2_PCI;
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}
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if (board.has_pccard) {
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if (BCMCPU_IS_6348())
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val |= GPIO_MODE_6348_G1_MII_PCCARD;
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}
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if (board.has_enet0 && !board.enet0.use_internal_phy) {
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if (BCMCPU_IS_6348())
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val |= GPIO_MODE_6348_G3_EXT_MII |
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GPIO_MODE_6348_G0_EXT_MII;
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}
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if (board.has_enet1 && !board.enet1.use_internal_phy) {
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if (BCMCPU_IS_6348())
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val |= GPIO_MODE_6348_G3_EXT_MII |
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GPIO_MODE_6348_G0_EXT_MII;
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}
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bcm_gpio_writel(val, GPIO_MODE_REG);
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}
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/*
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* second stage init callback, good time to panic if we couldn't
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* identify on which board we're running since early printk is working
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*/
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void __init board_setup(void)
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{
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if (!board.name[0])
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panic("unable to detect bcm963xx board");
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printk(KERN_INFO PFX "board name: %s\n", board.name);
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/* make sure we're running on expected cpu */
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if (bcm63xx_get_cpu_id() != board.expected_cpu_id)
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panic("unexpected CPU for bcm963xx board");
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}
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/*
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* return board name for /proc/cpuinfo
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*/
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const char *board_get_name(void)
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{
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return board.name;
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}
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/*
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* register & return a new board mac address
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*/
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static int board_get_mac_address(u8 *mac)
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{
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u8 default_mac[ETH_ALEN] = {0x00, 0x07, 0x3A, 0x00, 0x00, 0x00};
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u8 *p;
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int count;
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memcpy(mac, default_mac, ETH_ALEN);
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p = mac + ETH_ALEN - 1;
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count = mac_addr_used;
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while (count--) {
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do {
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(*p)++;
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if (*p != 0)
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break;
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p--;
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} while (p != mac);
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}
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if (p == mac) {
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printk(KERN_ERR PFX "unable to fetch mac address\n");
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return -ENODEV;
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}
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mac_addr_used++;
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return 0;
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}
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static struct resource mtd_resources[] = {
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{
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.start = 0, /* filled at runtime */
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.end = 0, /* filled at runtime */
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.flags = IORESOURCE_MEM,
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}
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};
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static struct platform_device mtd_dev = {
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.name = "bcm963xx-flash",
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.resource = mtd_resources,
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.num_resources = ARRAY_SIZE(mtd_resources),
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};
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/*
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* third stage init callback, register all board devices.
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*/
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int __init board_register_devices(void)
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{
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u32 val;
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bcm63xx_uart_register();
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bcm63xx_wdt_register();
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if (board.has_pccard)
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bcm63xx_pcmcia_register();
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if (board.has_enet0 &&
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!board_get_mac_address(board.enet0.mac_addr))
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bcm63xx_enet_register(0, &board.enet0);
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if (board.has_enet1 &&
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!board_get_mac_address(board.enet1.mac_addr))
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bcm63xx_enet_register(1, &board.enet1);
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if (board.has_ohci0)
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bcm63xx_ohci_register();
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if (board.has_ehci0)
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bcm63xx_ehci_register();
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/* read base address of boot chip select (0) */
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val = bcm_mpi_readl(MPI_CSBASE_REG(0));
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val &= MPI_CSBASE_BASE_MASK;
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mtd_resources[0].start = val;
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mtd_resources[0].end = 0x1FFFFFFF;
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platform_device_register(&mtd_dev);
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return 0;
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}
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