2 * This program is free software; you can redistribute it and/or modify it
3 * under the terms of the GNU General Public License version 2 as published
4 * by the Free Software Foundation.
6 * Copyright (C) 2011 Andrej Vlašić
7 * Copyright (C) 2011 Luka Perkov
11 #include <linux/kernel.h>
12 #include <linux/init.h>
13 #include <linux/platform_device.h>
14 #include <linux/leds.h>
15 #include <linux/gpio.h>
16 #include <linux/mtd/mtd.h>
17 #include <linux/mtd/partitions.h>
18 #include <linux/mtd/physmap.h>
19 #include <linux/input.h>
20 #include <linux/ath5k_platform.h>
21 #include <linux/pci.h>
22 #include <linux/phy.h>
24 #include <linux/string.h>
27 #include <lantiq_soc.h>
28 #include <lantiq_platform.h>
29 #include <dev-gpio-leds.h>
30 #include <dev-gpio-buttons.h>
32 #include "../machtypes.h"
33 #include "dev-wifi-ath5k.h"
35 #include "dev-dwc_otg.h"
37 #include "mach-gigasx76x.h"
39 #define UBOOT_ENV_OFFSET 0x010000
40 #define UBOOT_ENV_SIZE 0x010000
42 static struct mtd_partition gigasx76x_partitions[] =
51 .offset = UBOOT_ENV_OFFSET,
52 .size = UBOOT_ENV_SIZE,
61 static struct gpio_led
62 gigasx76x_gpio_leds[] __initdata = {
63 { .name = "soc:green:voip", .gpio = 216, },
64 { .name = "soc:green:adsl", .gpio = 217, },
65 { .name = "soc:green:usb", .gpio = 218, },
66 { .name = "soc:green:wifi", .gpio = 219, },
67 { .name = "soc:green:phone2", .gpio = 220, },
68 { .name = "soc:green:phone1", .gpio = 221, },
69 { .name = "soc:green:line", .gpio = 222, },
70 { .name = "soc:green:online", .gpio = 223, },
73 static struct gpio_keys_button
74 gigasx76x_gpio_keys[] __initdata = {
78 .code = KEY_WPS_BUTTON,
79 .debounce_interval = LTQ_KEYS_DEBOUNCE_INTERVAL,
87 .debounce_interval = LTQ_KEYS_DEBOUNCE_INTERVAL,
93 static struct physmap_flash_data gigasx76x_flash_data = {
94 .nr_parts = ARRAY_SIZE(gigasx76x_partitions),
95 .parts = gigasx76x_partitions,
98 static struct ltq_pci_data ltq_pci_data = {
99 .clock = PCI_CLOCK_INT,
100 .gpio = PCI_GNT1 | PCI_REQ1,
101 .irq = { [14] = INT_NUM_IM0_IRL0 + 22, },
104 static struct ltq_eth_data ltq_eth_data = {
105 .mii_mode = PHY_INTERFACE_MODE_MII,
108 static char __init *get_uboot_env_var(char *haystack, int haystack_len, char *needle, int needle_len) {
110 for (i = 0; i <= haystack_len - needle_len; i++) {
111 if (memcmp(haystack + i, needle, needle_len) == 0) {
112 return haystack + i + needle_len;
119 * gigasx76x_parse_hex_* are not uniq. in arm/orion there are also duplicates:
121 * TODO: one day write a patch for this :)
123 static int __init gigasx76x_parse_hex_nibble(char n) {
124 if (n >= '0' && n <= '9')
127 if (n >= 'A' && n <= 'F')
130 if (n >= 'a' && n <= 'f')
136 static int __init gigasx76x_parse_hex_byte(const char *b) {
140 hi = gigasx76x_parse_hex_nibble(b[0]);
141 lo = gigasx76x_parse_hex_nibble(b[1]);
143 if (hi < 0 || lo < 0)
146 return (hi << 4) | lo;
149 static u16 gigasx76x_ath5k_eeprom_data[ATH5K_PLAT_EEP_MAX_WORDS];
150 static u8 gigasx76x_ath5k_eeprom_mac[6];
152 static int __init gigasx76x_register_ethernet(void) {
155 char *uboot_env_page;
159 uboot_env_page = ioremap(LTQ_FLASH_START + UBOOT_ENV_OFFSET, UBOOT_ENV_SIZE);
163 mac = get_uboot_env_var(uboot_env_page, UBOOT_ENV_SIZE, "\0ethaddr=", 9);
164 boardid = get_uboot_env_var(uboot_env_page, UBOOT_ENV_SIZE, "\0boardid=", 9);
174 /* Sanity check the string we're looking at */
175 for (i = 0; i < 5; i++) {
176 if (*(mac + (i * 3) + 2) != ':') {
181 for (i = 0; i < 6; i++) {
183 byte = gigasx76x_parse_hex_byte(mac + (i * 3));
190 iounmap(uboot_env_page);
191 printk("GIGASX76X: Found ethernet MAC address: ");
192 for (i = 0; i < 6; i++)
193 printk("%.2x%s", addr[i], (i < 5) ? ":" : ".\n");
195 memcpy(<q_eth_data.mac.sa_data, addr, 6);
196 ltq_register_etop(<q_eth_data);
198 memcpy(&gigasx76x_ath5k_eeprom_mac, addr, 6);
199 gigasx76x_ath5k_eeprom_mac[5]++;
201 if (strncmp(boardid, "sx763", 5) == 0) {
202 printk("GIGASX76X: Board id is sx763.");
203 memcpy(&gigasx76x_ath5k_eeprom_data, sx763_eeprom_data, ATH5K_PLAT_EEP_MAX_WORDS);
204 } else if (strncmp(boardid, "sx762", 5) == 0) {
205 printk("GIGASX76X: Board id is sx762.");
206 memcpy(&gigasx76x_ath5k_eeprom_data, sx762_eeprom_data, ATH5K_PLAT_EEP_MAX_WORDS);
208 printk("GIGASX76X: Board id is unknown, fix uboot_env data.");
214 iounmap(uboot_env_page);
218 static void __init gigasx76x_init(void) {
219 #define GIGASX76X_USB 29
220 #define GIGASX76X_MADWIFI_ADDR 0xb07f0000
222 ltq_register_gpio_stp();
223 ltq_register_nor(&gigasx76x_flash_data);
224 ltq_register_pci(<q_pci_data);
226 ltq_add_device_gpio_leds(-1, ARRAY_SIZE(gigasx76x_gpio_leds), gigasx76x_gpio_leds);
227 ltq_register_gpio_keys_polled(-1, LTQ_KEYS_POLL_INTERVAL, ARRAY_SIZE(gigasx76x_gpio_keys), gigasx76x_gpio_keys);
228 ltq_register_ath5k(gigasx76x_ath5k_eeprom_data, gigasx76x_ath5k_eeprom_mac);
229 xway_register_dwc(GIGASX76X_USB);
230 gigasx76x_register_ethernet();
233 MIPS_MACHINE(LANTIQ_MACH_GIGASX76X, "GIGASX76X", "GIGASX76X - Gigaset SX761,SX762,SX763", gigasx76x_init);