ar71xx: flush DDR writeback buffers for WMAC and PCIe on AR934X
[openwrt.git] / target / linux / ar71xx / files / arch / mips / ar71xx / mach-wrt160nl.c
1 /*
2  *  Linksys WRT160NL board support
3  *
4  *  Copyright (C) 2009 Gabor Juhos <juhosg@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/mtd/mtd.h>
12 #include <linux/mtd/partitions.h>
13
14 #include <asm/mach-ar71xx/ar71xx.h>
15
16 #include "machtype.h"
17 #include "devices.h"
18 #include "dev-m25p80.h"
19 #include "dev-ar9xxx-wmac.h"
20 #include "dev-gpio-buttons.h"
21 #include "dev-leds-gpio.h"
22 #include "dev-usb.h"
23 #include "nvram.h"
24
25 #define WRT160NL_GPIO_LED_POWER         14
26 #define WRT160NL_GPIO_LED_WPS_AMBER     9
27 #define WRT160NL_GPIO_LED_WPS_BLUE      8
28 #define WRT160NL_GPIO_LED_WLAN          6
29
30 #define WRT160NL_GPIO_BTN_WPS           7
31 #define WRT160NL_GPIO_BTN_RESET         21
32
33 #define WRT160NL_KEYS_POLL_INTERVAL     20      /* msecs */
34 #define WRT160NL_KEYS_DEBOUNCE_INTERVAL (3 * WRT160NL_KEYS_POLL_INTERVAL)
35
36 #define WRT160NL_NVRAM_ADDR     0x1f7e0000
37 #define WRT160NL_NVRAM_SIZE     0x10000
38
39 #ifdef CONFIG_MTD_PARTITIONS
40 static struct mtd_partition wrt160nl_partitions[] = {
41         {
42                 .name           = "u-boot",
43                 .offset         = 0,
44                 .size           = 0x040000,
45                 .mask_flags     = MTD_WRITEABLE,
46         }, {
47                 .name           = "kernel",
48                 .offset         = 0x040000,
49                 .size           = 0x0e0000,
50         }, {
51                 .name           = "filesytem",
52                 .offset         = 0x120000,
53                 .size           = 0x6c0000,
54         }, {
55                 .name           = "nvram",
56                 .offset         = 0x7e0000,
57                 .size           = 0x010000,
58                 .mask_flags     = MTD_WRITEABLE,
59         }, {
60                 .name           = "ART",
61                 .offset         = 0x7f0000,
62                 .size           = 0x010000,
63                 .mask_flags     = MTD_WRITEABLE,
64         }, {
65                 .name           = "firmware",
66                 .offset         = 0x040000,
67                 .size           = 0x7a0000,
68         }
69 };
70 #endif /* CONFIG_MTD_PARTITIONS */
71
72 static struct flash_platform_data wrt160nl_flash_data = {
73 #ifdef CONFIG_MTD_PARTITIONS
74         .parts          = wrt160nl_partitions,
75         .nr_parts       = ARRAY_SIZE(wrt160nl_partitions),
76 #endif
77 };
78
79 static struct gpio_led wrt160nl_leds_gpio[] __initdata = {
80         {
81                 .name           = "wrt160nl:blue:power",
82                 .gpio           = WRT160NL_GPIO_LED_POWER,
83                 .active_low     = 1,
84                 .default_trigger = "default-on",
85         }, {
86                 .name           = "wrt160nl:amber:wps",
87                 .gpio           = WRT160NL_GPIO_LED_WPS_AMBER,
88                 .active_low     = 1,
89         }, {
90                 .name           = "wrt160nl:blue:wps",
91                 .gpio           = WRT160NL_GPIO_LED_WPS_BLUE,
92                 .active_low     = 1,
93         }, {
94                 .name           = "wrt160nl:blue:wlan",
95                 .gpio           = WRT160NL_GPIO_LED_WLAN,
96                 .active_low     = 1,
97         }
98 };
99
100 static struct gpio_keys_button wrt160nl_gpio_keys[] __initdata = {
101         {
102                 .desc           = "reset",
103                 .type           = EV_KEY,
104                 .code           = KEY_RESTART,
105                 .debounce_interval = WRT160NL_KEYS_DEBOUNCE_INTERVAL,
106                 .gpio           = WRT160NL_GPIO_BTN_RESET,
107                 .active_low     = 1,
108         }, {
109                 .desc           = "wps",
110                 .type           = EV_KEY,
111                 .code           = KEY_WPS_BUTTON,
112                 .debounce_interval = WRT160NL_KEYS_DEBOUNCE_INTERVAL,
113                 .gpio           = WRT160NL_GPIO_BTN_WPS,
114                 .active_low     = 1,
115         }
116 };
117
118 static void __init wrt160nl_setup(void)
119 {
120         const char *nvram = (char *) KSEG1ADDR(WRT160NL_NVRAM_ADDR);
121         u8 *eeprom = (u8 *) KSEG1ADDR(0x1fff1000);
122         u8 mac[6];
123
124         if (nvram_parse_mac_addr(nvram, WRT160NL_NVRAM_SIZE,
125                                  "lan_hwaddr=", mac) == 0) {
126                 ar71xx_init_mac(ar71xx_eth0_data.mac_addr, mac, 0);
127                 ar71xx_init_mac(ar71xx_eth1_data.mac_addr, mac, 1);
128         }
129
130         ar71xx_add_device_mdio(0, 0x0);
131
132         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
133         ar71xx_eth0_data.phy_mask = 0x01;
134
135         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
136         ar71xx_eth1_data.phy_mask = 0x10;
137
138         ar71xx_add_device_eth(0);
139         ar71xx_add_device_eth(1);
140
141         ar71xx_add_device_m25p80(&wrt160nl_flash_data);
142
143         ar71xx_add_device_usb();
144
145         if (nvram_parse_mac_addr(nvram, WRT160NL_NVRAM_SIZE,
146                                  "wl0_hwaddr=", mac) == 0)
147                 ar9xxx_add_device_wmac(eeprom, mac);
148         else
149                 ar9xxx_add_device_wmac(eeprom, NULL);
150
151         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(wrt160nl_leds_gpio),
152                                         wrt160nl_leds_gpio);
153
154         ar71xx_register_gpio_keys_polled(-1, WRT160NL_KEYS_POLL_INTERVAL,
155                                          ARRAY_SIZE(wrt160nl_gpio_keys),
156                                          wrt160nl_gpio_keys);
157
158 }
159
160 MIPS_MACHINE(AR71XX_MACH_WRT160NL, "WRT160NL", "Linksys WRT160NL",
161              wrt160nl_setup);