Root/target/linux/ar71xx/files/arch/mips/ar71xx/mach-ap96.c

1/*
2 * Atheros AP96 board support
3 *
4 * Copyright (C) 2009 Marco Porsch
5 * Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
6 * Copyright (C) 2010 Atheros Communications
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License version 2 as published
10 * by the Free Software Foundation.
11 */
12
13#include <linux/platform_device.h>
14#include <linux/mtd/mtd.h>
15#include <linux/mtd/partitions.h>
16#include <linux/delay.h>
17
18#include <asm/mach-ar71xx/ar71xx.h>
19
20#include "machtype.h"
21#include "devices.h"
22#include "dev-m25p80.h"
23#include "dev-ap94-pci.h"
24#include "dev-gpio-buttons.h"
25#include "dev-leds-gpio.h"
26#include "dev-usb.h"
27
28#define AP96_GPIO_LED_12_GREEN 0
29#define AP96_GPIO_LED_3_GREEN 1
30#define AP96_GPIO_LED_2_GREEN 2
31#define AP96_GPIO_LED_WPS_GREEN 4
32#define AP96_GPIO_LED_5_GREEN 5
33#define AP96_GPIO_LED_4_ORANGE 6
34
35/* Reset button - next to the power connector */
36#define AP96_GPIO_BTN_RESET 3
37/* WPS button - next to a led on right */
38#define AP96_GPIO_BTN_WPS 8
39
40#define AP96_KEYS_POLL_INTERVAL 20 /* msecs */
41#define AP96_KEYS_DEBOUNCE_INTERVAL (3 * AP96_KEYS_POLL_INTERVAL)
42
43#define AP96_WMAC0_MAC_OFFSET 0x120c
44#define AP96_WMAC1_MAC_OFFSET 0x520c
45#define AP96_CALDATA0_OFFSET 0x1000
46#define AP96_CALDATA1_OFFSET 0x5000
47
48#ifdef CONFIG_MTD_PARTITIONS
49static struct mtd_partition ap96_partitions[] = {
50    {
51        .name = "uboot",
52        .offset = 0,
53        .size = 0x030000,
54        .mask_flags = MTD_WRITEABLE,
55    }, {
56        .name = "env",
57        .offset = 0x030000,
58        .size = 0x010000,
59        .mask_flags = MTD_WRITEABLE,
60    }, {
61        .name = "rootfs",
62        .offset = 0x040000,
63        .size = 0x600000,
64    }, {
65        .name = "uImage",
66        .offset = 0x640000,
67        .size = 0x1b0000,
68    }, {
69        .name = "caldata",
70        .offset = 0x7f0000,
71        .size = 0x010000,
72        .mask_flags = MTD_WRITEABLE,
73    }
74};
75#endif /* CONFIG_MTD_PARTITIONS */
76
77static struct flash_platform_data ap96_flash_data = {
78#ifdef CONFIG_MTD_PARTITIONS
79    .parts = ap96_partitions,
80    .nr_parts = ARRAY_SIZE(ap96_partitions),
81#endif
82};
83
84/*
85 * AP96 has 12 unlabeled leds in the front; these are numbered from 1 to 12
86 * below (from left to right on the board). Led 1 seems to be on whenever the
87 * board is powered. Led 11 shows LAN link activity actity. Led 3 is orange;
88 * others are green.
89 *
90 * In addition, there is one led next to a button on the right side for WPS.
91 */
92static struct gpio_led ap96_leds_gpio[] __initdata = {
93    {
94        .name = "ap96:green:led2",
95        .gpio = AP96_GPIO_LED_2_GREEN,
96        .active_low = 1,
97    }, {
98        .name = "ap96:green:led3",
99        .gpio = AP96_GPIO_LED_3_GREEN,
100        .active_low = 1,
101    }, {
102        .name = "ap96:orange:led4",
103        .gpio = AP96_GPIO_LED_4_ORANGE,
104        .active_low = 1,
105    }, {
106        .name = "ap96:green:led5",
107        .gpio = AP96_GPIO_LED_5_GREEN,
108        .active_low = 1,
109    }, {
110        .name = "ap96:green:led12",
111        .gpio = AP96_GPIO_LED_12_GREEN,
112        .active_low = 1,
113    }, { /* next to a button on right */
114        .name = "ap96:green:wps",
115        .gpio = AP96_GPIO_LED_WPS_GREEN,
116        .active_low = 1,
117    }
118};
119
120static struct gpio_keys_button ap96_gpio_keys[] __initdata = {
121    {
122        .desc = "reset",
123        .type = EV_KEY,
124        .code = KEY_RESTART,
125        .debounce_interval = AP96_KEYS_DEBOUNCE_INTERVAL,
126        .gpio = AP96_GPIO_BTN_RESET,
127        .active_low = 1,
128    }, {
129        .desc = "wps",
130        .type = EV_KEY,
131        .code = KEY_WPS_BUTTON,
132        .debounce_interval = AP96_KEYS_DEBOUNCE_INTERVAL,
133        .gpio = AP96_GPIO_BTN_WPS,
134        .active_low = 1,
135    }
136};
137
138#define AP96_WAN_PHYMASK 0x10
139#define AP96_LAN_PHYMASK 0x0f
140
141static void __init ap96_setup(void)
142{
143    u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
144
145    ar71xx_add_device_mdio(~(AP96_WAN_PHYMASK | AP96_LAN_PHYMASK));
146
147    ar71xx_init_mac(ar71xx_eth0_data.mac_addr, art, 0);
148    ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
149    ar71xx_eth0_data.phy_mask = AP96_LAN_PHYMASK;
150    ar71xx_eth0_data.speed = SPEED_1000;
151    ar71xx_eth0_data.duplex = DUPLEX_FULL;
152
153    ar71xx_add_device_eth(0);
154
155    ar71xx_init_mac(ar71xx_eth1_data.mac_addr, art, 1);
156    ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
157    ar71xx_eth1_data.phy_mask = AP96_WAN_PHYMASK;
158
159    ar71xx_eth1_pll_data.pll_1000 = 0x1f000000;
160
161    ar71xx_add_device_eth(1);
162
163    ar71xx_add_device_usb();
164
165    ar71xx_add_device_m25p80(&ap96_flash_data);
166
167    ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(ap96_leds_gpio),
168                    ap96_leds_gpio);
169
170    ar71xx_register_gpio_keys_polled(-1, AP96_KEYS_POLL_INTERVAL,
171                     ARRAY_SIZE(ap96_gpio_keys),
172                     ap96_gpio_keys);
173
174    ap94_pci_init(art + AP96_CALDATA0_OFFSET,
175              art + AP96_WMAC0_MAC_OFFSET,
176              art + AP96_CALDATA1_OFFSET,
177              art + AP96_WMAC1_MAC_OFFSET);
178}
179
180MIPS_MACHINE(AR71XX_MACH_AP96, "AP96", "Atheros AP96", ap96_setup);
181

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