2 * Atheros AP83 board support
4 * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
5 * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License version 2 as published
9 * by the Free Software Foundation.
12 #include <linux/delay.h>
13 #include <linux/platform_device.h>
14 #include <linux/mtd/mtd.h>
15 #include <linux/mtd/partitions.h>
16 #include <linux/spi/spi.h>
17 #include <linux/spi/spi_gpio.h>
18 #include <linux/spi/vsc7385.h>
20 #include <asm/mach-ar71xx/ar71xx.h>
21 #include <asm/mach-ar71xx/ar91xx_flash.h>
25 #include "dev-ar9xxx-wmac.h"
26 #include "dev-gpio-buttons.h"
27 #include "dev-leds-gpio.h"
30 #define AP83_GPIO_LED_WLAN 6
31 #define AP83_GPIO_LED_POWER 14
32 #define AP83_GPIO_LED_JUMPSTART 15
33 #define AP83_GPIO_BTN_JUMPSTART 12
34 #define AP83_GPIO_BTN_RESET 21
36 #define AP83_050_GPIO_VSC7385_CS 1
37 #define AP83_050_GPIO_VSC7385_MISO 3
38 #define AP83_050_GPIO_VSC7385_MOSI 16
39 #define AP83_050_GPIO_VSC7385_SCK 17
41 #define AP83_KEYS_POLL_INTERVAL 20 /* msecs */
42 #define AP83_KEYS_DEBOUNCE_INTERVAL (3 * AP83_KEYS_POLL_INTERVAL)
44 #ifdef CONFIG_MTD_PARTITIONS
45 static struct mtd_partition ap83_flash_partitions
[] = {
50 .mask_flags
= MTD_WRITEABLE
,
55 .mask_flags
= MTD_WRITEABLE
,
68 .mask_flags
= MTD_WRITEABLE
,
75 #endif /* CONFIG_MTD_PARTITIONS */
77 static struct ar91xx_flash_platform_data ap83_flash_data
= {
79 #ifdef CONFIG_MTD_PARTITIONS
80 .parts
= ap83_flash_partitions
,
81 .nr_parts
= ARRAY_SIZE(ap83_flash_partitions
),
85 static struct resource ap83_flash_resources
[] = {
87 .start
= AR71XX_SPI_BASE
,
88 .end
= AR71XX_SPI_BASE
+ AR71XX_SPI_SIZE
- 1,
89 .flags
= IORESOURCE_MEM
,
93 static struct platform_device ap83_flash_device
= {
94 .name
= "ar91xx-flash",
96 .resource
= ap83_flash_resources
,
97 .num_resources
= ARRAY_SIZE(ap83_flash_resources
),
99 .platform_data
= &ap83_flash_data
,
103 static struct gpio_led ap83_leds_gpio
[] __initdata
= {
105 .name
= "ap83:green:jumpstart",
106 .gpio
= AP83_GPIO_LED_JUMPSTART
,
109 .name
= "ap83:green:power",
110 .gpio
= AP83_GPIO_LED_POWER
,
113 .name
= "ap83:green:wlan",
114 .gpio
= AP83_GPIO_LED_WLAN
,
119 static struct gpio_keys_button ap83_gpio_keys
[] __initdata
= {
121 .desc
= "soft_reset",
124 .debounce_interval
= AP83_KEYS_DEBOUNCE_INTERVAL
,
125 .gpio
= AP83_GPIO_BTN_RESET
,
130 .code
= KEY_WPS_BUTTON
,
131 .debounce_interval
= AP83_KEYS_DEBOUNCE_INTERVAL
,
132 .gpio
= AP83_GPIO_BTN_JUMPSTART
,
137 static struct resource ap83_040_spi_resources
[] = {
139 .start
= AR71XX_SPI_BASE
,
140 .end
= AR71XX_SPI_BASE
+ AR71XX_SPI_SIZE
- 1,
141 .flags
= IORESOURCE_MEM
,
145 static struct platform_device ap83_040_spi_device
= {
148 .resource
= ap83_040_spi_resources
,
149 .num_resources
= ARRAY_SIZE(ap83_040_spi_resources
),
152 static struct spi_gpio_platform_data ap83_050_spi_data
= {
153 .miso
= AP83_050_GPIO_VSC7385_MISO
,
154 .mosi
= AP83_050_GPIO_VSC7385_MOSI
,
155 .sck
= AP83_050_GPIO_VSC7385_SCK
,
159 static struct platform_device ap83_050_spi_device
= {
163 .platform_data
= &ap83_050_spi_data
,
167 static void ap83_vsc7385_reset(void)
169 ar71xx_device_stop(RESET_MODULE_GE1_PHY
);
171 ar71xx_device_start(RESET_MODULE_GE1_PHY
);
175 static struct vsc7385_platform_data ap83_vsc7385_data
= {
176 .reset
= ap83_vsc7385_reset
,
177 .ucode_name
= "vsc7385_ucode_ap83.bin",
185 static struct spi_board_info ap83_spi_info
[] = {
189 .max_speed_hz
= 25000000,
190 .modalias
= "spi-vsc7385",
191 .platform_data
= &ap83_vsc7385_data
,
192 .controller_data
= (void *) AP83_050_GPIO_VSC7385_CS
,
196 static void __init
ap83_generic_setup(void)
198 u8
*eeprom
= (u8
*) KSEG1ADDR(0x1fff1000);
200 ar71xx_add_device_mdio(0, 0xfffffffe);
202 ar71xx_init_mac(ar71xx_eth0_data
.mac_addr
, eeprom
, 0);
203 ar71xx_eth0_data
.phy_if_mode
= PHY_INTERFACE_MODE_RGMII
;
204 ar71xx_eth0_data
.phy_mask
= 0x1;
206 ar71xx_add_device_eth(0);
208 ar71xx_init_mac(ar71xx_eth1_data
.mac_addr
, eeprom
, 1);
209 ar71xx_eth1_data
.phy_if_mode
= PHY_INTERFACE_MODE_RGMII
;
210 ar71xx_eth1_data
.speed
= SPEED_1000
;
211 ar71xx_eth1_data
.duplex
= DUPLEX_FULL
;
213 ar71xx_eth1_pll_data
.pll_1000
= 0x1f000000;
215 ar71xx_add_device_eth(1);
217 ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(ap83_leds_gpio
),
220 ar71xx_register_gpio_keys_polled(-1, AP83_KEYS_POLL_INTERVAL
,
221 ARRAY_SIZE(ap83_gpio_keys
),
224 ar71xx_add_device_usb();
226 ar9xxx_add_device_wmac(eeprom
, NULL
);
228 platform_device_register(&ap83_flash_device
);
230 spi_register_board_info(ap83_spi_info
, ARRAY_SIZE(ap83_spi_info
));
233 static void __init
ap83_040_setup(void)
235 ap83_flash_data
.is_shared
= 1;
236 ap83_generic_setup();
237 platform_device_register(&ap83_040_spi_device
);
240 static void __init
ap83_050_setup(void)
242 ap83_generic_setup();
243 platform_device_register(&ap83_050_spi_device
);
246 static void __init
ap83_setup(void)
248 u8
*board_id
= (u8
*) KSEG1ADDR(0x1fff1244);
249 unsigned int board_version
;
251 board_version
= (unsigned int)(board_id
[0] - '0');
252 board_version
+= ((unsigned int)(board_id
[1] - '0')) * 10;
254 switch (board_version
) {
262 printk(KERN_WARNING
"AP83-%03u board is not yet supported\n",
267 MIPS_MACHINE(AR71XX_MACH_AP83
, "AP83", "Atheros AP83", ap83_setup
);