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/*
* Atheros AP83 board support
*
* Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
* Copyright (C) 2008 Imre Kaloz <kaloz@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/delay.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/spi/spi.h>
#include <linux/spi/spi_gpio.h>
#include <linux/spi/vsc7385.h>
#include <asm/mips_machine.h>
#include <asm/mach-ar71xx/ar71xx.h>
#include <asm/mach-ar71xx/ar91xx_flash.h>
#include "devices.h"
#include "dev-ar913x-wmac.h"
#include "dev-gpio-buttons.h"
#include "dev-leds-gpio.h"
#include "dev-usb.h"
#define AP83_GPIO_LED_WLAN 6
#define AP83_GPIO_LED_POWER 14
#define AP83_GPIO_LED_JUMPSTART 15
#define AP83_GPIO_BTN_JUMPSTART 12
#define AP83_GPIO_BTN_RESET 21
#define AP83_050_GPIO_VSC7385_CS 1
#define AP83_050_GPIO_VSC7385_MISO 3
#define AP83_050_GPIO_VSC7385_MOSI 16
#define AP83_050_GPIO_VSC7385_SCK 17
#define AP83_BUTTONS_POLL_INTERVAL 20
#ifdef CONFIG_MTD_PARTITIONS
static struct mtd_partition ap83_flash_partitions[] = {
{
.name = "u-boot",
.offset = 0,
.size = 0x040000,
.mask_flags = MTD_WRITEABLE,
} , {
.name = "u-boot-env",
.offset = 0x040000,
.size = 0x020000,
.mask_flags = MTD_WRITEABLE,
} , {
.name = "kernel",
.offset = 0x060000,
.size = 0x140000,
} , {
.name = "rootfs",
.offset = 0x1a0000,
.size = 0x650000,
} , {
.name = "art",
.offset = 0x7f0000,
.size = 0x010000,
.mask_flags = MTD_WRITEABLE,
} , {
.name = "firmware",
.offset = 0x060000,
.size = 0x790000,
}
};
#endif /* CONFIG_MTD_PARTITIONS */
static struct ar91xx_flash_platform_data ap83_flash_data = {
.width = 2,
#ifdef CONFIG_MTD_PARTITIONS
.parts = ap83_flash_partitions,
.nr_parts = ARRAY_SIZE(ap83_flash_partitions),
#endif
};
static struct resource ap83_flash_resources[] = {
[0] = {
.start = AR71XX_SPI_BASE,
.end = AR71XX_SPI_BASE + AR71XX_SPI_SIZE - 1,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device ap83_flash_device = {
.name = "ar91xx-flash",
.id = -1,
.resource = ap83_flash_resources,
.num_resources = ARRAY_SIZE(ap83_flash_resources),
.dev = {
.platform_data = &ap83_flash_data,
}
};
static struct gpio_led ap83_leds_gpio[] __initdata = {
{
.name = "ap83:green:jumpstart",
.gpio = AP83_GPIO_LED_JUMPSTART,
.active_low = 0,
}, {
.name = "ap83:green:power",
.gpio = AP83_GPIO_LED_POWER,
.active_low = 0,
}, {
.name = "ap83:green:wlan",
.gpio = AP83_GPIO_LED_WLAN,
.active_low = 0,
},
};
static struct gpio_button ap83_gpio_buttons[] __initdata = {
{
.desc = "soft_reset",
.type = EV_KEY,
.code = BTN_0,
.threshold = 5,
.gpio = AP83_GPIO_BTN_RESET,
.active_low = 1,
} , {
.desc = "jumpstart",
.type = EV_KEY,
.code = BTN_1,
.threshold = 5,
.gpio = AP83_GPIO_BTN_JUMPSTART,
.active_low = 1,
}
};
static struct resource ap83_040_spi_resources[] = {
[0] = {
.start = AR71XX_SPI_BASE,
.end = AR71XX_SPI_BASE + AR71XX_SPI_SIZE - 1,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device ap83_040_spi_device = {
.name = "ap83-spi",
.id = 0,
.resource = ap83_040_spi_resources,
.num_resources = ARRAY_SIZE(ap83_040_spi_resources),
};
static struct spi_gpio_platform_data ap83_050_spi_data = {
.miso = AP83_050_GPIO_VSC7385_MISO,
.mosi = AP83_050_GPIO_VSC7385_MOSI,
.sck = AP83_050_GPIO_VSC7385_SCK,
.num_chipselect = 1,
};
static struct platform_device ap83_050_spi_device = {
.name = "spi_gpio",
.id = 0,
.dev = {
.platform_data = &ap83_050_spi_data,
}
};
static void ap83_vsc7385_reset(void)
{
ar71xx_device_stop(RESET_MODULE_GE1_PHY);
udelay(10);
ar71xx_device_start(RESET_MODULE_GE1_PHY);
mdelay(50);
}
static struct vsc7385_platform_data ap83_vsc7385_data = {
.reset = ap83_vsc7385_reset,
.ucode_name = "vsc7385_ucode_ap83.bin",
.mac_cfg = {
.tx_ipg = 6,
.bit2 = 0,
.clk_sel = 3,
},
};
static struct spi_board_info ap83_spi_info[] = {
{
.bus_num = 0,
.chip_select = 0,
.max_speed_hz = 25000000,
.modalias = "spi-vsc7385",
.platform_data = &ap83_vsc7385_data,
.controller_data = (void *) AP83_050_GPIO_VSC7385_CS,
}
};
static void __init ap83_generic_setup(void)
{
u8 *mac = (u8 *) KSEG1ADDR(0x1fff1000);
ar71xx_set_mac_base(mac);
ar71xx_add_device_mdio(0xfffffffe);
ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
ar71xx_eth0_data.phy_mask = 0x1;
ar71xx_add_device_eth(0);
ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
ar71xx_eth1_data.phy_mask = 0x0;
ar71xx_eth1_data.speed = SPEED_1000;
ar71xx_eth1_data.duplex = DUPLEX_FULL;
ar71xx_eth1_pll_data.pll_1000 = 0x1f000000;
ar71xx_add_device_eth(1);
ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(ap83_leds_gpio),
ap83_leds_gpio);
ar71xx_add_device_gpio_buttons(-1, AP83_BUTTONS_POLL_INTERVAL,
ARRAY_SIZE(ap83_gpio_buttons),
ap83_gpio_buttons);
ar71xx_add_device_usb();
ar913x_add_device_wmac();
platform_device_register(&ap83_flash_device);
spi_register_board_info(ap83_spi_info, ARRAY_SIZE(ap83_spi_info));
}
static void __init ap83_040_setup(void)
{
ap83_flash_data.is_shared=1;
ap83_generic_setup();
platform_device_register(&ap83_040_spi_device);
}
static void __init ap83_050_setup(void)
{
ap83_generic_setup();
platform_device_register(&ap83_050_spi_device);
}
static void __init ap83_setup(void)
{
u8 *board_id = (u8 *) KSEG1ADDR(0x1fff1244);
unsigned int board_version;
board_version = (unsigned int)(board_id[0] - '0');
board_version += ((unsigned int)(board_id[1] - '0')) * 10;
switch (board_version) {
case 40:
ap83_040_setup();
break;
case 50:
ap83_050_setup();
break;
default:
printk(KERN_WARNING "AP83-%03u board is not yet supported\n",
board_version);
}
}
MIPS_MACHINE(AR71XX_MACH_AP83, "Atheros AP83", ap83_setup);
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