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/*
* Netgear WNDR3700 board support
*
* Copyright (C) 2009 Marco Porsch
* Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
*
* 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.
*/
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
#include <linux/input.h>
#include <linux/pci.h>
#include <linux/ath9k_platform.h>
#include <linux/delay.h>
#include <asm/mips_machine.h>
#include <asm/mach-ar71xx/ar71xx.h>
#include <asm/mach-ar71xx/pci.h>
#include "devices.h"
#define WNDR3700_GPIO_LED_WPS_ORANGE 0
#define WNDR3700_GPIO_LED_POWER_ORANGE 1
#define WNDR3700_GPIO_LED_POWER_GREEN 2
#define WNDR3700_GPIO_LED_WPS_GREEN 4
#define WNDR3700_GPIO_BTN_WPS 3
#define WNDR3700_GPIO_BTN_RESET 8
#define WNDR3700_GPIO_BTN_WIFI 11
#define WNDR3700_BUTTONS_POLL_INTERVAL 20
#ifdef CONFIG_MTD_PARTITIONS
static struct mtd_partition wndr3700_partitions[] = {
{
.name = "uboot",
.offset = 0,
.size = 0x050000,
.mask_flags = MTD_WRITEABLE,
} , {
.name = "env",
.offset = 0x050000,
.size = 0x020000,
.mask_flags = MTD_WRITEABLE,
} , {
.name = "rootfs",
.offset = 0x070000,
.size = 0x720000,
} , {
.name = "config",
.offset = 0x790000,
.size = 0x010000,
.mask_flags = MTD_WRITEABLE,
} , {
.name = "config_bak",
.offset = 0x7a0000,
.size = 0x010000,
.mask_flags = MTD_WRITEABLE,
} , {
.name = "pot",
.offset = 0x7b0000,
.size = 0x010000,
.mask_flags = MTD_WRITEABLE,
} , {
.name = "traffic_meter",
.offset = 0x7c0000,
.size = 0x010000,
.mask_flags = MTD_WRITEABLE,
} , {
.name = "language",
.offset = 0x7d0000,
.size = 0x020000,
.mask_flags = MTD_WRITEABLE,
} , {
.name = "caldata",
.offset = 0x7f0000,
.size = 0x010000,
.mask_flags = MTD_WRITEABLE,
}
};
#endif /* CONFIG_MTD_PARTITIONS */
static struct flash_platform_data wndr3700_flash_data = {
#ifdef CONFIG_MTD_PARTITIONS
.parts = wndr3700_partitions,
.nr_parts = ARRAY_SIZE(wndr3700_partitions),
#endif
};
#ifdef CONFIG_PCI
static struct ar71xx_pci_irq wndr3700_pci_irqs[] __initdata = {
{
.slot = 0,
.pin = 1,
.irq = AR71XX_PCI_IRQ_DEV0,
}, {
.slot = 1,
.pin = 1,
.irq = AR71XX_PCI_IRQ_DEV1,
}
};
static struct ath9k_platform_data wndr3700_wmac0_data;
static struct ath9k_platform_data wndr3700_wmac1_data;
static void wndr3700_pci_fixup(struct pci_dev *dev)
{
void __iomem *mem;
u16 *cal_data;
u16 cmd;
u32 bar0;
u32 val;
if (ar71xx_mach != AR71XX_MACH_WNDR3700)
return;
switch (PCI_SLOT(dev->devfn)) {
case 17:
cal_data = wndr3700_wmac0_data.eeprom_data;
break;
case 18:
cal_data = wndr3700_wmac1_data.eeprom_data;
break;
default:
return;
}
if (*cal_data != 0xa55a) {
printk(KERN_ERR "PCI: no calibration data found for %s\n",
pci_name(dev));
return;
}
mem = ioremap(AR71XX_PCI_MEM_BASE, 0x10000);
if (!mem) {
printk(KERN_ERR "PCI: ioremap error for device %s\n",
pci_name(dev));
return;
}
printk(KERN_INFO "PCI: fixup device %s\n", pci_name(dev));
pci_read_config_dword(dev, PCI_BASE_ADDRESS_0, &bar0);
/* Setup the PCI device to allow access to the internal registers */
pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, AR71XX_PCI_MEM_BASE);
pci_read_config_word(dev, PCI_COMMAND, &cmd);
cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
pci_write_config_word(dev, PCI_COMMAND, cmd);
/* set pointer to first reg address */
cal_data += 3;
while (*cal_data != 0xffff) {
u32 reg;
reg = *cal_data++;
val = *cal_data++;
val |= (*cal_data++) << 16;
__raw_writel(val, mem + reg);
udelay(100);
}
pci_read_config_dword(dev, PCI_VENDOR_ID, &val);
dev->vendor = val & 0xffff;
dev->device = (val >> 16) & 0xffff;
pci_read_config_dword(dev, PCI_CLASS_REVISION, &val);
dev->revision = val & 0xff;
dev->class = val >> 8; /* upper 3 bytes */
pci_read_config_word(dev, PCI_COMMAND, &cmd);
cmd &= ~(PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);
pci_write_config_word(dev, PCI_COMMAND, cmd);
pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, bar0);
iounmap(mem);
}
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ATHEROS, PCI_ANY_ID,
wndr3700_pci_fixup);
static int wndr3700_pci_plat_dev_init(struct pci_dev *dev)
{
switch (PCI_SLOT(dev->devfn)) {
case 17:
dev->dev.platform_data = &wndr3700_wmac0_data;
break;
case 18:
dev->dev.platform_data = &wndr3700_wmac1_data;
break;
}
return 0;
}
static void __init wndr3700_pci_init(void)
{
u8 *ee;
ee = (u8 *) KSEG1ADDR(0x1fff1000);
memcpy(wndr3700_wmac0_data.eeprom_data, ee,
sizeof(wndr3700_wmac0_data.eeprom_data));
ee = (u8 *) KSEG1ADDR(0x1fff5000);
memcpy(wndr3700_wmac1_data.eeprom_data, ee,
sizeof(wndr3700_wmac1_data.eeprom_data));
ar71xx_pci_plat_dev_init = wndr3700_pci_plat_dev_init;
ar71xx_pci_init(ARRAY_SIZE(wndr3700_pci_irqs), wndr3700_pci_irqs);
}
#else
static inline void wndr3700_pci_init(void) { };
#endif /* CONFIG_PCI */
static struct spi_board_info wndr3700_spi_info[] = {
{
.bus_num = 0,
.chip_select = 0,
.max_speed_hz = 25000000,
.modalias = "m25p80",
.platform_data = &wndr3700_flash_data,
}
};
static struct gpio_led wndr3700_leds_gpio[] __initdata = {
{
.name = "wndr3700:green:power",
.gpio = WNDR3700_GPIO_LED_POWER_GREEN,
.active_low = 1,
}, {
.name = "wndr3700:orange:power",
.gpio = WNDR3700_GPIO_LED_POWER_ORANGE,
.active_low = 1,
}, {
.name = "wndr3700:green:wps",
.gpio = WNDR3700_GPIO_LED_WPS_GREEN,
.active_low = 1,
}, {
.name = "wndr3700:orange:wps",
.gpio = WNDR3700_GPIO_LED_WPS_ORANGE,
.active_low = 1,
}
};
static struct gpio_button wndr3700_gpio_buttons[] __initdata = {
{
.desc = "reset",
.type = EV_KEY,
.code = BTN_0,
.threshold = 5,
.gpio = WNDR3700_GPIO_BTN_RESET,
}, {
.desc = "wps",
.type = EV_KEY,
.code = BTN_1,
.threshold = 5,
.gpio = WNDR3700_GPIO_BTN_WPS,
} , {
.desc = "wifi",
.type = EV_KEY,
.code = BTN_2,
.threshold = 5,
.gpio = WNDR3700_GPIO_BTN_WIFI,
}
};
static void __init wndr3700_setup(void)
{
u8 *mac = (u8 *) KSEG1ADDR(0x1fff0000);
ar71xx_set_mac_base(mac);
ar71xx_add_device_mdio(0x0);
ar71xx_eth0_pll_data.pll_1000 = 0x11110000;
ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
ar71xx_eth0_data.phy_mask = 0xf;
ar71xx_eth0_data.speed = SPEED_1000;
ar71xx_eth0_data.duplex = DUPLEX_FULL;
ar71xx_eth1_pll_data.pll_1000 = 0x11110000;
ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
ar71xx_eth1_data.phy_mask = 0x10;
ar71xx_add_device_eth(0);
ar71xx_add_device_eth(1);
ar71xx_add_device_usb();
ar71xx_add_device_spi(NULL, wndr3700_spi_info,
ARRAY_SIZE(wndr3700_spi_info));
ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(wndr3700_leds_gpio),
wndr3700_leds_gpio);
ar71xx_add_device_gpio_buttons(-1, WNDR3700_BUTTONS_POLL_INTERVAL,
ARRAY_SIZE(wndr3700_gpio_buttons),
wndr3700_gpio_buttons);
wndr3700_pci_init();
}
MIPS_MACHINE(AR71XX_MACH_WNDR3700, "NETGEAR WNDR3700", wndr3700_setup);
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