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240 lines
5.6 KiB
C
240 lines
5.6 KiB
C
/*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*
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* Copyright (C) 2011 Andrej Vlašić
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* Copyright (C) 2011 Luka Perkov
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*
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/leds.h>
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#include <linux/gpio.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/input.h>
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#include <linux/ath5k_platform.h>
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#include <linux/pci.h>
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#include <linux/phy.h>
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#include <linux/io.h>
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#include <linux/string.h>
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#include <irq.h>
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#include <lantiq_soc.h>
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#include <lantiq_platform.h>
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#include <dev-gpio-leds.h>
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#include <dev-gpio-buttons.h>
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#include "../machtypes.h"
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#include "dev-wifi-ath5k.h"
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#include "devices.h"
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#include "dev-dwc_otg.h"
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#include "mach-gigasx76x.h"
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#define UBOOT_ENV_OFFSET 0x010000
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#define UBOOT_ENV_SIZE 0x010000
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static struct mtd_partition gigasx76x_partitions[] =
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{
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{
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.name = "uboot",
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.offset = 0x000000,
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.size = 0x010000,
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},
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{
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.name = "uboot_env",
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.offset = UBOOT_ENV_OFFSET,
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.size = UBOOT_ENV_SIZE,
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},
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{
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.name = "linux",
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.offset = 0x020000,
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.size = 0x7d0000,
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},
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{
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.name = "board_config",
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.offset = 0x7f0000,
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.size = 0x010000,
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},
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};
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static struct gpio_led
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gigasx76x_gpio_leds[] __initdata = {
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{ .name = "soc:green:usb", .gpio = 202, },
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{ .name = "soc:green:wifi", .gpio = 203, },
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{ .name = "soc:green:phone2", .gpio = 204, },
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{ .name = "soc:green:phone1", .gpio = 205, },
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{ .name = "soc:green:line", .gpio = 206, },
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{ .name = "soc:green:online", .gpio = 207, },
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{ .name = "soc:green:voip", .gpio = 208, },
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};
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static struct gpio_keys_button
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gigasx76x_gpio_keys[] __initdata = {
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{
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.desc = "wps",
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.type = EV_KEY,
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.code = BTN_0,
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.debounce_interval = LTQ_KEYS_DEBOUNCE_INTERVAL,
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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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.desc = "factory",
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.type = EV_KEY,
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.code = BTN_1,
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.debounce_interval = LTQ_KEYS_DEBOUNCE_INTERVAL,
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.gpio = 14,
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.active_low = 1,
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},*/
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};
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static struct physmap_flash_data gigasx76x_flash_data = {
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.nr_parts = ARRAY_SIZE(gigasx76x_partitions),
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.parts = gigasx76x_partitions,
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};
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static struct ltq_pci_data ltq_pci_data = {
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.clock = PCI_CLOCK_INT,
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.gpio = PCI_GNT1 | PCI_REQ1,
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.irq = { [14] = INT_NUM_IM0_IRL0 + 22, },
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};
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static struct ltq_eth_data ltq_eth_data = {
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.mii_mode = PHY_INTERFACE_MODE_MII,
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};
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static char __init *get_uboot_env_var(char *haystack, int haystack_len, char *needle, int needle_len) {
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int i;
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for (i = 0; i <= haystack_len - needle_len; i++) {
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if (memcmp(haystack + i, needle, needle_len) == 0) {
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return haystack + i + needle_len;
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}
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}
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return NULL;
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}
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/*
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* gigasx76x_parse_hex_* are not uniq. in arm/orion there are also duplicates:
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* dns323_parse_hex_*
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* TODO: one day write a patch for this :)
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*/
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static int __init gigasx76x_parse_hex_nibble(char n) {
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if (n >= '0' && n <= '9')
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return n - '0';
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if (n >= 'A' && n <= 'F')
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return n - 'A' + 10;
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if (n >= 'a' && n <= 'f')
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return n - 'a' + 10;
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return -1;
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}
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static int __init gigasx76x_parse_hex_byte(const char *b) {
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int hi;
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int lo;
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hi = gigasx76x_parse_hex_nibble(b[0]);
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lo = gigasx76x_parse_hex_nibble(b[1]);
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if (hi < 0 || lo < 0)
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return -1;
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return (hi << 4) | lo;
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}
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static u16 gigasx76x_ath5k_eeprom_data[ATH5K_PLAT_EEP_MAX_WORDS];
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static u8 gigasx76x_ath5k_eeprom_mac[6];
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static int __init gigasx76x_register_ethernet(void) {
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u_int8_t addr[6];
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int i;
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char *uboot_env_page;
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char *mac;
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char *boardid;
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uboot_env_page = ioremap(LTQ_FLASH_START + UBOOT_ENV_OFFSET, UBOOT_ENV_SIZE);
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if (!uboot_env_page)
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return -ENOMEM;
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mac = get_uboot_env_var(uboot_env_page, UBOOT_ENV_SIZE, "\0ethaddr=", 9);
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boardid = get_uboot_env_var(uboot_env_page, UBOOT_ENV_SIZE, "\0boardid=", 9);
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if (!mac) {
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goto error_fail;
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}
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if (!boardid) {
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goto error_fail;
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}
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/* Sanity check the string we're looking at */
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for (i = 0; i < 5; i++) {
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if (*(mac + (i * 3) + 2) != ':') {
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goto error_fail;
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}
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}
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for (i = 0; i < 6; i++) {
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int byte;
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byte = gigasx76x_parse_hex_byte(mac + (i * 3));
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if (byte < 0) {
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goto error_fail;
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}
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addr[i] = byte;
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}
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iounmap(uboot_env_page);
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printk("GIGASX76X: Found ethernet MAC address: ");
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for (i = 0; i < 6; i++)
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printk("%.2x%s", addr[i], (i < 5) ? ":" : ".\n");
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memcpy(<q_eth_data.mac.sa_data, addr, 6);
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ltq_register_etop(<q_eth_data);
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memcpy(&gigasx76x_ath5k_eeprom_mac, addr, 6);
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gigasx76x_ath5k_eeprom_mac[5]++;
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if (strncmp(boardid, "sx763", 5) == 0) {
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printk("GIGASX76X: Board id is sx763.");
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memcpy(&gigasx76x_ath5k_eeprom_data, sx763_eeprom_data, ATH5K_PLAT_EEP_MAX_WORDS);
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} else if (strncmp(boardid, "sx762", 5) == 0) {
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printk("GIGASX76X: Board id is sx762.");
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memcpy(&gigasx76x_ath5k_eeprom_data, sx762_eeprom_data, ATH5K_PLAT_EEP_MAX_WORDS);
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} else {
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printk("GIGASX76X: Board id is unknown, fix uboot_env data.");
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}
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return 0;
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error_fail:
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iounmap(uboot_env_page);
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return -EINVAL;
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}
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static void __init gigasx76x_init(void) {
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#define GIGASX76X_USB 29
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#define GIGASX76X_MADWIFI_ADDR 0xb07f0000
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ltq_register_gpio_stp();
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ltq_register_nor(&gigasx76x_flash_data);
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ltq_register_pci(<q_pci_data);
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ltq_register_tapi();
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ltq_register_madwifi_eep(GIGASX76X_MADWIFI_ADDR);
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ltq_add_device_gpio_leds(-1, ARRAY_SIZE(gigasx76x_gpio_leds), gigasx76x_gpio_leds);
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ltq_register_gpio_keys_polled(-1, LTQ_KEYS_POLL_INTERVAL, ARRAY_SIZE(gigasx76x_gpio_keys), gigasx76x_gpio_keys);
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ltq_register_ath5k(gigasx76x_ath5k_eeprom_data, gigasx76x_ath5k_eeprom_mac);
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xway_register_dwc(GIGASX76X_USB);
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gigasx76x_register_ethernet();
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}
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MIPS_MACHINE(LANTIQ_MACH_GIGASX76X, "GIGASX76X", "GIGASX76X - Gigaset SX761,SX762,SX763", gigasx76x_init);
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