Root/target/linux/ar71xx/files/arch/mips/ar71xx/mach-wzr-hp-ag300h.c

1/*
2 * Buffalo WZR-HP-AG300H board support
3 *
4 * Copyright (C) 2011 Felix Fietkau <nbd@openwrt.org>
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published
8 * by the Free Software Foundation.
9 */
10
11#include <linux/platform_device.h>
12#include <linux/mtd/mtd.h>
13#include <linux/mtd/partitions.h>
14#include <linux/mtd/concat.h>
15
16#include <asm/mips_machine.h>
17#include <asm/mach-ar71xx/ar71xx.h>
18#include <asm/mach-ar71xx/gpio.h>
19
20#include "machtype.h"
21#include "devices.h"
22#include "dev-ap94-pci.h"
23#include "dev-gpio-buttons.h"
24#include "dev-leds-gpio.h"
25#include "dev-m25p80.h"
26#include "dev-usb.h"
27
28#define WZRHPAG300H_MAC_OFFSET 0x20c
29#define WZRHPAG300H_KEYS_POLL_INTERVAL 20 /* msecs */
30#define WZRHPAG300H_KEYS_DEBOUNCE_INTERVAL (3 * WZRHPAG300H_KEYS_POLL_INTERVAL)
31
32#ifdef CONFIG_MTD_PARTITIONS
33static struct mtd_partition wzrhpag300h_flash_partitions[] = {
34    {
35        .name = "u-boot",
36        .offset = 0,
37        .size = 0x0040000,
38        .mask_flags = MTD_WRITEABLE,
39    }, {
40        .name = "u-boot-env",
41        .offset = 0x0040000,
42        .size = 0x0010000,
43        .mask_flags = MTD_WRITEABLE,
44    }, {
45        .name = "art",
46        .offset = 0x0050000,
47        .size = 0x0010000,
48        .mask_flags = MTD_WRITEABLE,
49    }, {
50        .name = "kernel",
51        .offset = 0x0060000,
52        .size = 0x0100000,
53    }, {
54        .name = "rootfs",
55        .offset = 0x0160000,
56        .size = 0x1e90000,
57    }, {
58        .name = "user_property",
59        .offset = 0x1ff0000,
60        .size = 0x0010000,
61        .mask_flags = MTD_WRITEABLE,
62    }, {
63        .name = "firmware",
64        .offset = 0x0060000,
65        .size = 0x1f90000,
66    }
67};
68
69#endif /* CONFIG_MTD_PARTITIONS */
70
71static struct mtd_info *concat_devs[2] = { NULL, NULL };
72static struct work_struct mtd_concat_work;
73
74static void mtd_concat_add_work(struct work_struct *work)
75{
76    struct mtd_info *mtd;
77
78    mtd = mtd_concat_create(concat_devs, ARRAY_SIZE(concat_devs), "flash");
79
80#ifdef CONFIG_MTD_PARTITIONS
81    add_mtd_partitions(mtd, wzrhpag300h_flash_partitions,
82               ARRAY_SIZE(wzrhpag300h_flash_partitions));
83#else
84    add_mtd_device(mtd);
85#endif
86}
87
88static void mtd_concat_add(struct mtd_info *mtd)
89{
90    static bool registered = false;
91
92    if (registered)
93        return;
94
95    if (!strcmp(mtd->name, "spi0.0"))
96        concat_devs[0] = mtd;
97    else if (!strcmp(mtd->name, "spi0.1"))
98        concat_devs[1] = mtd;
99    else
100        return;
101
102    if (!concat_devs[0] || !concat_devs[1])
103        return;
104
105    registered = true;
106    INIT_WORK(&mtd_concat_work, mtd_concat_add_work);
107    schedule_work(&mtd_concat_work);
108}
109
110static void mtd_concat_remove(struct mtd_info *mtd)
111{
112}
113
114static void add_mtd_concat_notifier(void)
115{
116    static struct mtd_notifier not = {
117        .add = mtd_concat_add,
118        .remove = mtd_concat_remove,
119    };
120
121    register_mtd_user(&not);
122}
123
124static struct gpio_led wzrhpag300h_leds_gpio[] __initdata = {
125    {
126        .name = "wzr-hp-ag300h:red:diag",
127        .gpio = 1,
128        .active_low = 1,
129    },
130};
131
132
133static struct gpio_keys_button wzrhpag300h_gpio_keys[] __initdata = {
134    {
135        .desc = "reset",
136        .type = EV_KEY,
137        .code = KEY_RESTART,
138        .debounce_interval = WZRHPAG300H_KEYS_DEBOUNCE_INTERVAL,
139        .gpio = 11,
140        .active_low = 1,
141    }, {
142        .desc = "usb",
143        .type = EV_KEY,
144        .code = BTN_2,
145        .debounce_interval = WZRHPAG300H_KEYS_DEBOUNCE_INTERVAL,
146        .gpio = 3,
147        .active_low = 1,
148    }, {
149        .desc = "aoss",
150        .type = EV_KEY,
151        .code = KEY_WPS_BUTTON,
152        .debounce_interval = WZRHPAG300H_KEYS_DEBOUNCE_INTERVAL,
153        .gpio = 5,
154        .active_low = 1,
155    }, {
156        .desc = "router_auto",
157        .type = EV_KEY,
158        .code = BTN_6,
159        .debounce_interval = WZRHPAG300H_KEYS_DEBOUNCE_INTERVAL,
160        .gpio = 6,
161        .active_low = 1,
162    }, {
163        .desc = "router_off",
164        .type = EV_KEY,
165        .code = BTN_5,
166        .debounce_interval = WZRHPAG300H_KEYS_DEBOUNCE_INTERVAL,
167        .gpio = 7,
168        .active_low = 1,
169    }
170};
171
172static struct spi_board_info ar71xx_spi_info[] = {
173    {
174        .bus_num = 0,
175        .chip_select = 0,
176        .max_speed_hz = 25000000,
177        .modalias = "m25p80",
178    },
179    {
180        .bus_num = 0,
181        .chip_select = 1,
182        .max_speed_hz = 25000000,
183        .modalias = "m25p80",
184    }
185};
186
187static void __init wzrhpag300h_setup(void)
188{
189    u8 *eeprom1 = (u8 *) KSEG1ADDR(0x1f051000);
190    u8 *eeprom2 = (u8 *) KSEG1ADDR(0x1f055000);
191    u8 *mac1 = eeprom1 + WZRHPAG300H_MAC_OFFSET;
192    u8 *mac2 = eeprom2 + WZRHPAG300H_MAC_OFFSET;
193
194    ar71xx_init_mac(ar71xx_eth0_data.mac_addr, mac1, 0);
195    ar71xx_init_mac(ar71xx_eth1_data.mac_addr, mac2, 1);
196
197    ar71xx_add_device_mdio(~(BIT(0) | BIT(4)));
198
199    ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
200    ar71xx_eth0_data.speed = SPEED_1000;
201    ar71xx_eth0_data.duplex = DUPLEX_FULL;
202    ar71xx_eth0_data.phy_mask = BIT(0);
203
204    ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
205    ar71xx_eth1_data.phy_mask = BIT(4);
206
207    ar71xx_add_device_eth(0);
208    ar71xx_add_device_eth(1);
209
210    ar71xx_add_device_usb();
211    gpio_request(2, "usb");
212    gpio_direction_output(2, 1);
213
214    ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(wzrhpag300h_leds_gpio),
215                    wzrhpag300h_leds_gpio);
216
217    ar71xx_register_gpio_keys_polled(-1, WZRHPAG300H_KEYS_POLL_INTERVAL,
218                     ARRAY_SIZE(wzrhpag300h_gpio_keys),
219                     wzrhpag300h_gpio_keys);
220
221    ar71xx_add_device_spi(NULL, ar71xx_spi_info,
222                  ARRAY_SIZE(ar71xx_spi_info));
223
224    add_mtd_concat_notifier();
225
226    ap94_pci_init(eeprom1, mac1, eeprom2, mac2);
227}
228
229MIPS_MACHINE(AR71XX_MACH_WZR_HP_AG300H, "WZR-HP-AG300H",
230         "Buffalo WZR-HP-AG300H", wzrhpag300h_setup);
231
232

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