ramips: add kernel support for ALL0256N
[openwrt/svn-archive/archive.git] / target / linux / ramips / files / arch / mips / ralink / rt305x / mach-all0256n.c
1 /*
2 * Allnet ALL0256N board support
3 *
4 * Copyright (C) 2012 Daniel Golle <dgolle@allnet.de>
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/init.h>
12 #include <linux/platform_device.h>
13 #include <linux/spi/spi.h>
14 #include <linux/spi/flash.h>
15 #include <linux/mtd/mtd.h>
16 #include <linux/mtd/partitions.h>
17 #include <linux/mtd/physmap.h>
18
19 #include <asm/mach-ralink/machine.h>
20 #include <asm/mach-ralink/dev-gpio-buttons.h>
21 #include <asm/mach-ralink/dev-gpio-leds.h>
22 #include <asm/mach-ralink/rt305x.h>
23 #include <asm/mach-ralink/rt305x_regs.h>
24
25 #include "devices.h"
26
27 #define ALL0256N_GPIO_BUTTON_RESET 0
28 #define ALL0256N_GPIO_LED_RSSI_LOW 14
29 #define ALL0256N_GPIO_LED_RSSI_MED 12
30 #define ALL0256N_GPIO_LED_RSSI_HIGH 13
31 #define ALL0256N_BUTTONS_POLL_INTERVAL 20
32
33 #ifdef CONFIG_MTD_PARTITIONS
34 static struct mtd_partition all0256n_partitions[] = {
35 {
36 .name = "u-boot",
37 .offset = 0,
38 .size = 0x030000,
39 .mask_flags = MTD_WRITEABLE,
40 }, {
41 .name = "u-boot-env",
42 .offset = 0x030000,
43 .size = 0x010000,
44 }, {
45 .name = "factory",
46 .offset = 0x040000,
47 .size = 0x010000,
48 }, {
49 .name = "kernel",
50 .offset = 0x050000,
51 .size = 0x0D0000,
52 }, {
53 .name = "rootfs",
54 .offset = 0x120000,
55 .size = 0x2E0000,
56 }, {
57 .name = "firmware",
58 .offset = 0x050000,
59 .size = 0x3B0000,
60 }
61 };
62 #endif /* CONFIG_MTD_PARTITIONS */
63
64
65 const struct flash_platform_data all0256n_flash = {
66 .type = "mx25l3205d",
67 #ifdef CONFIG_MTD_PARTITIONS
68 .parts = all0256n_partitions,
69 .nr_parts = ARRAY_SIZE(all0256n_partitions),
70 #endif
71 };
72
73 struct spi_board_info all0256n_spi_slave_info[] __initdata = {
74 {
75 .modalias = "m25p80",
76 .platform_data = &all0256n_flash,
77 .irq = -1,
78 .max_speed_hz = 10000000,
79 .bus_num = 0,
80 .chip_select = 0,
81 },
82 };
83
84 static struct gpio_button all0256n_gpio_buttons[] __initdata = {
85 {
86 .desc = "reset",
87 .type = EV_KEY,
88 .code = KEY_RESTART,
89 .threshold = 3,
90 .gpio = ALL0256N_GPIO_BUTTON_RESET,
91 .active_low = 1,
92 }
93 };
94
95 static struct gpio_led all0256n_leds_gpio[] __initdata = {
96 {
97 .name = "all0256n:green:rssilow",
98 .gpio = ALL0256N_GPIO_LED_RSSI_LOW,
99 .active_low = 1,
100 }, {
101 .name = "all0256n:green:rssimed",
102 .gpio = ALL0256N_GPIO_LED_RSSI_MED,
103 .active_low = 1,
104 }, {
105 .name = "all0256n:green:rssihigh",
106 .gpio = ALL0256N_GPIO_LED_RSSI_HIGH,
107 .active_low = 1,
108 }
109 };
110
111 static void __init all0256n_init(void)
112 {
113 rt305x_gpio_init(RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
114 rt305x_register_spi(all0256n_spi_slave_info,
115 ARRAY_SIZE(all0256n_spi_slave_info));
116 rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_WLLLL;
117 rt305x_register_ethernet();
118 ramips_register_gpio_leds(-1, ARRAY_SIZE(all0256n_leds_gpio),
119 all0256n_leds_gpio);
120 ramips_register_gpio_buttons(-1, ALL0256N_BUTTONS_POLL_INTERVAL,
121 ARRAY_SIZE(all0256n_gpio_buttons),
122 all0256n_gpio_buttons);
123 rt305x_register_wifi();
124 rt305x_register_wdt();
125 }
126
127 MIPS_MACHINE(RAMIPS_MACH_ALL0256N, "ALL0256N", "Allnet ALL0256N",
128 all0256n_init);