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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) 2010 John Crispin <blogic@openwrt.org>
* Copyright (C) 2012 Pieter Voorthuijsen <p.voorthuijsen@gmail.com>
*/
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/input.h>
#include <linux/phy.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
#include <linux/spi/spi_gpio.h>
#include <linux/ath9k_platform.h>
#include <linux/if_ether.h>
#include <linux/etherdevice.h>
#include <linux/kobject.h>
#include <linux/sysfs.h>
#include <lantiq_soc.h>
#include <irq.h>
#include <dev-gpio-leds.h>
#include <dev-gpio-buttons.h>
#include "dev-wifi-athxk.h"
#include "../machtypes.h"
#include "devices.h"
#include "dev-dwc_otg.h"
#include "pci-ath-fixup.h"
#include <mtd/mtd-abi.h>
#include <asm-generic/sizes.h>
static struct mtd_partition dgn3500_partitions[] = {
{
.name = "u-boot",
.offset = 0,
.size = 0x10000,
.mask_flags = MTD_WRITEABLE,
},
{
.name = "environment",
.offset = 0x10000,
.size = 0x10000,
.mask_flags = MTD_WRITEABLE,
},
{
.name = "calibration",
.offset = 0x20000,
.size = 0x10000,
.mask_flags = MTD_WRITEABLE,
},
{
.name = "linux",
.offset = 0x50000,
.size = 0xfa0000,
},
};
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 struct gpio_led
dgn3500_gpio_leds[] __initdata = {
{ .name = "soc:green:power", .gpio = 34, .active_low = 1, },
{ .name = "soc:red:power", .gpio = 39, .active_low = 1, },
{ .name = "soc:orange:wlan", .gpio = 51, .active_low = 1, },
{ .name = "soc:green:wps", .gpio = 52, .active_low = 1, },
{ .name = "soc:green:usb", .gpio = 22, .active_low = 1, },
{ .name = "soc:green:dsl", .gpio = 4, .active_low = 1, },
{ .name = "soc:green:internet", .gpio = 2, .active_low = 1, },
};
static struct gpio_keys_button
dgn3500_gpio_keys[] __initdata = {
{
.desc = "wps",
.type = EV_KEY,
.code = BTN_0,
.debounce_interval = LTQ_KEYS_DEBOUNCE_INTERVAL,
.gpio = 54,
.active_low = 1,
},
{
.desc = "reset",
.type = EV_KEY,
.code = BTN_1,
.debounce_interval = LTQ_KEYS_DEBOUNCE_INTERVAL,
.gpio = 36,
.active_low = 1,
},
};
#define SPI_GPIO_MRST 16
#define SPI_GPIO_MTSR 17
#define SPI_GPIO_CLK 18
#define SPI_GPIO_CS0 10
static struct spi_gpio_platform_data spi_gpio_data = {
.sck = SPI_GPIO_CLK,
.mosi = SPI_GPIO_MTSR,
.miso = SPI_GPIO_MRST,
.num_chipselect = 2,
};
static struct platform_device spi_gpio_device = {
.name = "spi_gpio",
.dev.platform_data = &spi_gpio_data,
};
static struct flash_platform_data spi_flash_data = {
.name = "sflash",
.parts = dgn3500_partitions,
.nr_parts = ARRAY_SIZE(dgn3500_partitions),
};
static struct spi_board_info spi_flash __initdata = {
.modalias = "m25p80",
.bus_num = 0,
.chip_select = 0,
.max_speed_hz = 10 * 1000 * 1000,
.mode = SPI_MODE_3,
.chip_select = 0,
.controller_data = (void *) SPI_GPIO_CS0,
.platform_data = &spi_flash_data
};
static u8 ltq_ethaddr[6] = { 0 };
static int __init setup_ethaddr(char *str)
{
if (!mac_pton(str, ltq_ethaddr))
memset(ltq_ethaddr, 0, 6);
return 0;
}
__setup("ethaddr=", setup_ethaddr);
static u16 dgn3500_eeprom_data[ATH9K_PLAT_EEP_MAX_WORDS] = {0};
static ssize_t ath_eeprom_read(struct file *filp, struct kobject *kobj,
struct bin_attribute *attr, char *buf,
loff_t offset, size_t count)
{
if (unlikely(offset >= sizeof(dgn3500_eeprom_data)))
return 0;
if ((offset + count) > sizeof(dgn3500_eeprom_data))
count = sizeof(dgn3500_eeprom_data) - offset;
if (unlikely(!count))
return count;
memcpy(buf, (char *)(dgn3500_eeprom_data) + offset, count);
return count;
}
extern struct ath9k_platform_data ath9k_pdata;
static ssize_t ath_eeprom_write(struct file *filp, struct kobject *kobj,
struct bin_attribute *attr, char *buf,
loff_t offset, size_t count)
{
int i;
char *eeprom_bytes = (char *)dgn3500_eeprom_data;
if (unlikely(offset >= sizeof(dgn3500_eeprom_data)))
return -EFBIG;
if ((offset + count) > sizeof(dgn3500_eeprom_data))
count = sizeof(dgn3500_eeprom_data) - offset;
if (unlikely(!count))
return count;
if (count % 2)
return 0;
/* The PCI fixup routine requires an endian swap of the calibartion data
* stored in flash */
for (i = 0; i < count; i += 2) {
eeprom_bytes[offset + i + 1] = buf[i];
eeprom_bytes[offset + i] = buf[i+1];
}
/* The original data does not contain a checksum. Set the country and
* calculate new checksum when all data is received */
if ((count + offset) == sizeof(dgn3500_eeprom_data))
memcpy(ath9k_pdata.eeprom_data, dgn3500_eeprom_data,
sizeof(ath9k_pdata.eeprom_data));
return count;
}
static struct bin_attribute dev_attr_ath_eeprom = {
.attr = {
.name = "ath_eeprom",
.mode = S_IRUGO|S_IWUSR,
},
.read = ath_eeprom_read,
.write = ath_eeprom_write,
};
static void __init dgn3500_init(void)
{
if (sysfs_create_bin_file(firmware_kobj, &dev_attr_ath_eeprom))
printk(KERN_INFO "Failed to create ath eeprom sysfs entry\n");
ltq_add_device_gpio_leds(-1, ARRAY_SIZE(dgn3500_gpio_leds),
dgn3500_gpio_leds);
ltq_register_gpio_keys_polled(-1, LTQ_KEYS_POLL_INTERVAL,
ARRAY_SIZE(dgn3500_gpio_keys), dgn3500_gpio_keys);
platform_device_register(&spi_gpio_device);
ltq_register_pci(<q_pci_data);
spi_register_board_info(&spi_flash, 1);
if (!is_valid_ether_addr(ltq_ethaddr)) {
printk(KERN_INFO "MAC invalid using random\n");
random_ether_addr(ltq_ethaddr);
}
memcpy(<q_eth_data.mac.sa_data, ltq_ethaddr, 6);
ltq_register_etop(<q_eth_data);
ltq_register_ath9k(dgn3500_eeprom_data, ltq_ethaddr);
ltq_pci_ath_fixup(14, dgn3500_eeprom_data);
/* The usb power is always enabled, protected by a fuse */
xway_register_dwc(-1);
}
MIPS_MACHINE(LANTIQ_MACH_DGN3500B,
"DGN3500B",
"Netgear DGN3500B",
dgn3500_init);
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