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/*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
* Copyright (C) 2011 Andrej Vlašić
* Copyright (C) 2011 Luka Perkov
*
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/leds.h>
#include <linux/gpio.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/input.h>
#include <linux/ath5k_platform.h>
#include <linux/pci.h>
#include <linux/phy.h>
#include <linux/io.h>
#include <linux/string.h>
#include <irq.h>
#include <lantiq_soc.h>
#include <lantiq_platform.h>
#include <dev-gpio-leds.h>
#include <dev-gpio-buttons.h>
#include "../machtypes.h"
#include "dev-wifi-ath5k.h"
#include "devices.h"
#include "dev-dwc_otg.h"
#include "mach-gigasx76x.h"
#define UBOOT_ENV_OFFSET 0x010000
#define UBOOT_ENV_SIZE 0x010000
static struct mtd_partition gigasx76x_partitions[] =
{
{
.name = "uboot",
.offset = 0x000000,
.size = 0x010000,
},
{
.name = "uboot_env",
.offset = UBOOT_ENV_OFFSET,
.size = UBOOT_ENV_SIZE,
},
{
.name = "linux",
.offset = 0x020000,
.size = 0x7e0000,
},
};
static struct gpio_led
gigasx76x_gpio_leds[] __initdata = {
{ .name = "soc:green:voip", .gpio = 216, },
{ .name = "soc:green:adsl", .gpio = 217, },
{ .name = "soc:green:usb", .gpio = 218, },
{ .name = "soc:green:wifi", .gpio = 219, },
{ .name = "soc:green:phone2", .gpio = 220, },
{ .name = "soc:green:phone1", .gpio = 221, },
{ .name = "soc:green:line", .gpio = 222, },
{ .name = "soc:green:online", .gpio = 223, },
};
static struct gpio_keys_button
gigasx76x_gpio_keys[] __initdata = {
{
.desc = "wps",
.type = EV_KEY,
.code = KEY_WPS_BUTTON,
.debounce_interval = LTQ_KEYS_DEBOUNCE_INTERVAL,
.gpio = 22,
.active_low = 1,
},
{
.desc = "reset",
.type = EV_KEY,
.code = BTN_0,
.debounce_interval = LTQ_KEYS_DEBOUNCE_INTERVAL,
.gpio = 14,
.active_low = 0,
},
};
static struct physmap_flash_data gigasx76x_flash_data = {
.nr_parts = ARRAY_SIZE(gigasx76x_partitions),
.parts = gigasx76x_partitions,
};
static struct ltq_pci_data ltq_pci_data = {
.clock = PCI_CLOCK_INT,
.gpio = PCI_GNT1 | PCI_REQ1,
.irq = { [14] = INT_NUM_IM0_IRL0 + 22, },
};
static struct ltq_eth_data ltq_eth_data = {
.mii_mode = PHY_INTERFACE_MODE_MII,
};
static char __init *get_uboot_env_var(char *haystack, int haystack_len, char *needle, int needle_len) {
int i;
for (i = 0; i <= haystack_len - needle_len; i++) {
if (memcmp(haystack + i, needle, needle_len) == 0) {
return haystack + i + needle_len;
}
}
return NULL;
}
/*
* gigasx76x_parse_hex_* are not uniq. in arm/orion there are also duplicates:
* dns323_parse_hex_*
* TODO: one day write a patch for this :)
*/
static int __init gigasx76x_parse_hex_nibble(char n) {
if (n >= '0' && n <= '9')
return n - '0';
if (n >= 'A' && n <= 'F')
return n - 'A' + 10;
if (n >= 'a' && n <= 'f')
return n - 'a' + 10;
return -1;
}
static int __init gigasx76x_parse_hex_byte(const char *b) {
int hi;
int lo;
hi = gigasx76x_parse_hex_nibble(b[0]);
lo = gigasx76x_parse_hex_nibble(b[1]);
if (hi < 0 || lo < 0)
return -1;
return (hi << 4) | lo;
}
static u16 gigasx76x_ath5k_eeprom_data[ATH5K_PLAT_EEP_MAX_WORDS];
static u8 gigasx76x_ath5k_eeprom_mac[6];
static int __init gigasx76x_register_ethernet(void) {
u_int8_t addr[6];
int i;
char *uboot_env_page;
char *mac;
char *boardid;
uboot_env_page = ioremap(LTQ_FLASH_START + UBOOT_ENV_OFFSET, UBOOT_ENV_SIZE);
if (!uboot_env_page)
return -ENOMEM;
mac = get_uboot_env_var(uboot_env_page, UBOOT_ENV_SIZE, "\0ethaddr=", 9);
boardid = get_uboot_env_var(uboot_env_page, UBOOT_ENV_SIZE, "\0boardid=", 9);
if (!mac) {
goto error_fail;
}
if (!boardid) {
goto error_fail;
}
/* Sanity check the string we're looking at */
for (i = 0; i < 5; i++) {
if (*(mac + (i * 3) + 2) != ':') {
goto error_fail;
}
}
for (i = 0; i < 6; i++) {
int byte;
byte = gigasx76x_parse_hex_byte(mac + (i * 3));
if (byte < 0) {
goto error_fail;
}
addr[i] = byte;
}
iounmap(uboot_env_page);
printk("GIGASX76X: Found ethernet MAC address: ");
for (i = 0; i < 6; i++)
printk("%.2x%s", addr[i], (i < 5) ? ":" : ".\n");
memcpy(<q_eth_data.mac.sa_data, addr, 6);
ltq_register_etop(<q_eth_data);
memcpy(&gigasx76x_ath5k_eeprom_mac, addr, 6);
gigasx76x_ath5k_eeprom_mac[5]++;
if (strncmp(boardid, "sx763", 5) == 0) {
printk("GIGASX76X: Board id is sx763.");
memcpy(&gigasx76x_ath5k_eeprom_data, sx763_eeprom_data, ATH5K_PLAT_EEP_MAX_WORDS);
} else if (strncmp(boardid, "sx762", 5) == 0) {
printk("GIGASX76X: Board id is sx762.");
memcpy(&gigasx76x_ath5k_eeprom_data, sx762_eeprom_data, ATH5K_PLAT_EEP_MAX_WORDS);
} else {
printk("GIGASX76X: Board id is unknown, fix uboot_env data.");
}
return 0;
error_fail:
iounmap(uboot_env_page);
return -EINVAL;
}
static void __init gigasx76x_init(void) {
#define GIGASX76X_USB 29
#define GIGASX76X_MADWIFI_ADDR 0xb07f0000
ltq_register_gpio_stp();
ltq_register_nor(&gigasx76x_flash_data);
ltq_register_pci(<q_pci_data);
ltq_register_tapi();
ltq_add_device_gpio_leds(-1, ARRAY_SIZE(gigasx76x_gpio_leds), gigasx76x_gpio_leds);
ltq_register_gpio_keys_polled(-1, LTQ_KEYS_POLL_INTERVAL, ARRAY_SIZE(gigasx76x_gpio_keys), gigasx76x_gpio_keys);
ltq_register_ath5k(gigasx76x_ath5k_eeprom_data, gigasx76x_ath5k_eeprom_mac);
xway_register_dwc(GIGASX76X_USB);
gigasx76x_register_ethernet();
}
MIPS_MACHINE(LANTIQ_MACH_GIGASX76X, "GIGASX76X", "GIGASX76X - Gigaset SX761,SX762,SX763", gigasx76x_init);
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