841 lines
15 KiB
C
841 lines
15 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 Maxime Bizon <mbizon@freebox.fr>
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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 <linux/ssb/ssb.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_dev_pci.h>
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#include <bcm63xx_dev_enet.h>
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#include <bcm63xx_dev_dsp.h>
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#include <bcm63xx_dev_pcmcia.h>
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#include <board_bcm963xx.h>
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#define PFX "board_bcm963xx: "
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static struct bcm963xx_nvram nvram;
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static unsigned int mac_addr_used;
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static struct board_info board;
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/*
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* known 6338 boards
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*/
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#ifdef CONFIG_BCM63XX_CPU_6338
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static struct board_info __initdata board_96338gw = {
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.name = "96338GW",
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.expected_cpu_id = 0x6338,
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.has_enet0 = 1,
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.enet0 = {
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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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.leds = {
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{
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.name = "adsl",
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.gpio = 3,
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.active_low = 1,
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},
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{
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.name = "ses",
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.gpio = 5,
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.active_low = 1,
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},
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{
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.name = "ppp-fail",
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.gpio = 4,
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.active_low = 1,
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},
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{
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.name = "power",
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.gpio = 0,
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.active_low = 1,
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.default_trigger = "default-on",
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},
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{
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.name = "stop",
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.gpio = 1,
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.active_low = 1,
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}
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},
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};
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static struct board_info __initdata board_96338w = {
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.name = "96338W",
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.expected_cpu_id = 0x6338,
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.has_enet0 = 1,
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.enet0 = {
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.force_speed_100 = 1,
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.force_duplex_full = 1,
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},
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.leds = {
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{
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.name = "adsl",
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.gpio = 3,
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.active_low = 1,
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},
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{
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.name = "ses",
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.gpio = 5,
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.active_low = 1,
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},
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{
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.name = "ppp-fail",
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.gpio = 4,
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.active_low = 1,
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},
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{
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.name = "power",
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.gpio = 0,
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.active_low = 1,
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.default_trigger = "default-on",
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},
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{
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.name = "stop",
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.gpio = 1,
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.active_low = 1,
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},
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},
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};
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#endif
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/*
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* known 6345 boards
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*/
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#ifdef CONFIG_BCM63XX_CPU_6345
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static struct board_info __initdata board_96345gw2 = {
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.name = "96345GW2",
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.expected_cpu_id = 0x6345,
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};
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#endif
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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_96348r = {
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.name = "96348R",
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.expected_cpu_id = 0x6348,
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.has_enet0 = 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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.leds = {
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{
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.name = "adsl-fail",
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.gpio = 2,
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.active_low = 1,
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},
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{
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.name = "ppp",
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.gpio = 3,
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.active_low = 1,
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},
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{
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.name = "ppp-fail",
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.gpio = 4,
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.active_low = 1,
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},
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{
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.name = "power",
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.gpio = 0,
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.active_low = 1,
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.default_trigger = "default-on",
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},
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{
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.name = "stop",
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.gpio = 1,
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.active_low = 1,
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},
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},
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};
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static struct board_info __initdata board_96348gw_10 = {
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.name = "96348GW-10",
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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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.has_dsp = 1,
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.dsp = {
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.gpio_rst = 6,
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.gpio_int = 34,
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.cs = 2,
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.ext_irq = 2,
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},
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.leds = {
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{
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.name = "adsl-fail",
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.gpio = 2,
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.active_low = 1,
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},
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{
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.name = "ppp",
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.gpio = 3,
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.active_low = 1,
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},
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{
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.name = "ppp-fail",
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.gpio = 4,
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.active_low = 1,
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},
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{
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.name = "power",
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.gpio = 0,
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.active_low = 1,
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.default_trigger = "default-on",
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},
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{
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.name = "stop",
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.gpio = 1,
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.active_low = 1,
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},
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},
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};
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static struct board_info __initdata board_96348gw_11 = {
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.name = "96348GW-11",
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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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.leds = {
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{
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.name = "adsl-fail",
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.gpio = 2,
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.active_low = 1,
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},
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{
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.name = "ppp",
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.gpio = 3,
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.active_low = 1,
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},
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{
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.name = "ppp-fail",
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.gpio = 4,
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.active_low = 1,
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},
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{
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.name = "power",
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.gpio = 0,
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.active_low = 1,
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.default_trigger = "default-on",
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},
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{
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.name = "stop",
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.gpio = 1,
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.active_low = 1,
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},
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},
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};
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static struct board_info __initdata board_96348gw = {
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.name = "96348GW",
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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_dsp = 1,
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.dsp = {
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.gpio_rst = 6,
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.gpio_int = 34,
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.ext_irq = 2,
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.cs = 2,
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},
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.leds = {
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{
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.name = "adsl-fail",
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.gpio = 2,
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.active_low = 1,
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},
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{
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.name = "ppp",
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.gpio = 3,
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.active_low = 1,
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},
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{
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.name = "ppp-fail",
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.gpio = 4,
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.active_low = 1,
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},
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{
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.name = "power",
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.gpio = 0,
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.active_low = 1,
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.default_trigger = "default-on",
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},
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{
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.name = "stop",
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.gpio = 1,
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.active_low = 1,
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},
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},
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};
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static struct board_info __initdata board_FAST2404 = {
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.name = "F@ST2404",
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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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static struct board_info __initdata board_DV201AMR = {
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.name = "DV201AMR",
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.expected_cpu_id = 0x6348,
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.has_pci = 1,
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.has_ohci0 = 1,
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.has_enet0 = 1,
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.has_enet1 = 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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};
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static struct board_info __initdata board_96348gw_a = {
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.name = "96348GW-A",
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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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};
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#endif
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/*
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* known 6358 boards
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*/
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#ifdef CONFIG_BCM63XX_CPU_6358
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static struct board_info __initdata board_96358vw = {
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.name = "96358VW",
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.expected_cpu_id = 0x6358,
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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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.leds = {
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{
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.name = "adsl-fail",
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.gpio = 15,
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.active_low = 1,
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},
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{
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.name = "ppp",
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.gpio = 22,
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.active_low = 1,
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},
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{
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.name = "ppp-fail",
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.gpio = 23,
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.active_low = 1,
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},
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{
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.name = "power",
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.gpio = 4,
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.default_trigger = "default-on",
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},
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{
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.name = "stop",
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.gpio = 5,
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},
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},
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};
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static struct board_info __initdata board_96358vw2 = {
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.name = "96358VW2",
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.expected_cpu_id = 0x6358,
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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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.leds = {
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{
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.name = "adsl",
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.gpio = 22,
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.active_low = 1,
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},
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{
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.name = "ppp-fail",
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.gpio = 23,
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},
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{
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.name = "power",
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.gpio = 5,
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.active_low = 1,
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.default_trigger = "default-on",
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},
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{
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.name = "stop",
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.gpio = 4,
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.active_low = 1,
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},
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},
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};
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static struct board_info __initdata board_AGPFS0 = {
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.name = "AGPF-S0",
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.expected_cpu_id = 0x6358,
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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_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_6338
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&board_96338gw,
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&board_96338w,
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#endif
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#ifdef CONFIG_BCM63XX_CPU_6345
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&board_96345gw2,
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#endif
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#ifdef CONFIG_BCM63XX_CPU_6348
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&board_96348r,
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&board_96348gw,
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&board_96348gw_10,
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&board_96348gw_11,
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&board_FAST2404,
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&board_DV201AMR,
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&board_96348gw_a,
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#endif
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#ifdef CONFIG_BCM63XX_CPU_6358
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&board_96358vw,
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&board_96358vw2,
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&board_AGPFS0,
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#endif
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};
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/*
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* early init callback, read nvram data from flash and checksum it
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*/
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void __init board_prom_init(void)
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{
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unsigned int check_len, i;
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u8 *boot_addr, *cfe, *p;
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char cfe_version[32];
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u32 val;
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/* read base address of boot chip select (0)
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* 6345 does not have MPI but boots from standard
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* MIPS Flash address */
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if (BCMCPU_IS_6345())
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val = 0x1fc00000;
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else {
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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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}
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boot_addr = (u8 *)KSEG1ADDR(val);
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/* dump cfe version */
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cfe = boot_addr + BCM963XX_CFE_VERSION_OFFSET;
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if (!memcmp(cfe, "cfe-v", 5))
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snprintf(cfe_version, sizeof(cfe_version), "%u.%u.%u-%u.%u",
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cfe[5], cfe[6], cfe[7], cfe[8], cfe[9]);
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else
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strcpy(cfe_version, "unknown");
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printk(KERN_INFO PFX "CFE version: %s\n", cfe_version);
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/* extract nvram data */
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memcpy(&nvram, boot_addr + BCM963XX_NVRAM_OFFSET, sizeof(nvram));
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/* check checksum before using data */
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if (nvram.version <= 4)
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check_len = offsetof(struct bcm963xx_nvram, checksum_old);
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else
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check_len = sizeof(nvram);
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val = 0;
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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_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_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;
|
|
}
|
|
|