1 | /* |
2 | * Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org> |
3 | * Copyright (C) 2008 Martin Michlmayr <tbm@cyrius.com> |
4 | * |
5 | * This program is free software; you can redistribute it and/or modify |
6 | * it under the terms of the GNU Lesser General Public License as |
7 | * published by the Free Software Foundation; either version 2 of the |
8 | * License, or (at your option) any later version. |
9 | */ |
10 | #include <linux/gpio.h> |
11 | #include <linux/kernel.h> |
12 | #include <linux/init.h> |
13 | #include <linux/platform_device.h> |
14 | #include <linux/irq.h> |
15 | #include <linux/mtd/physmap.h> |
16 | #include <linux/mv643xx_eth.h> |
17 | #include <linux/leds.h> |
18 | #include <linux/gpio_keys.h> |
19 | #include <linux/input.h> |
20 | #include <linux/i2c.h> |
21 | #include <linux/ata_platform.h> |
22 | #include <asm/mach-types.h> |
23 | #include <asm/mach/arch.h> |
24 | #include "common.h" |
25 | #include "mpp.h" |
26 | #include "orion5x.h" |
27 | |
28 | #define MV2120_NOR_BOOT_BASE 0xf4000000 |
29 | #define MV2120_NOR_BOOT_SIZE SZ_512K |
30 | |
31 | #define MV2120_GPIO_RTC_IRQ 3 |
32 | #define MV2120_GPIO_KEY_RESET 17 |
33 | #define MV2120_GPIO_KEY_POWER 18 |
34 | #define MV2120_GPIO_POWER_OFF 19 |
35 | |
36 | |
37 | /***************************************************************************** |
38 | * Ethernet |
39 | ****************************************************************************/ |
40 | static struct mv643xx_eth_platform_data mv2120_eth_data = { |
41 | .phy_addr = MV643XX_ETH_PHY_ADDR(8), |
42 | }; |
43 | |
44 | static struct mv_sata_platform_data mv2120_sata_data = { |
45 | .n_ports = 2, |
46 | }; |
47 | |
48 | static struct mtd_partition mv2120_partitions[] = { |
49 | { |
50 | .name = "firmware" , |
51 | .size = 0x00080000, |
52 | .offset = 0, |
53 | }, |
54 | }; |
55 | |
56 | static struct physmap_flash_data mv2120_nor_flash_data = { |
57 | .width = 1, |
58 | .parts = mv2120_partitions, |
59 | .nr_parts = ARRAY_SIZE(mv2120_partitions) |
60 | }; |
61 | |
62 | static struct resource mv2120_nor_flash_resource = { |
63 | .flags = IORESOURCE_MEM, |
64 | .start = MV2120_NOR_BOOT_BASE, |
65 | .end = MV2120_NOR_BOOT_BASE + MV2120_NOR_BOOT_SIZE - 1, |
66 | }; |
67 | |
68 | static struct platform_device mv2120_nor_flash = { |
69 | .name = "physmap-flash" , |
70 | .id = 0, |
71 | .dev = { |
72 | .platform_data = &mv2120_nor_flash_data, |
73 | }, |
74 | .resource = &mv2120_nor_flash_resource, |
75 | .num_resources = 1, |
76 | }; |
77 | |
78 | static struct gpio_keys_button mv2120_buttons[] = { |
79 | { |
80 | .code = KEY_RESTART, |
81 | .gpio = MV2120_GPIO_KEY_RESET, |
82 | .desc = "reset" , |
83 | .active_low = 1, |
84 | }, { |
85 | .code = KEY_POWER, |
86 | .gpio = MV2120_GPIO_KEY_POWER, |
87 | .desc = "power" , |
88 | .active_low = 1, |
89 | }, |
90 | }; |
91 | |
92 | static struct gpio_keys_platform_data mv2120_button_data = { |
93 | .buttons = mv2120_buttons, |
94 | .nbuttons = ARRAY_SIZE(mv2120_buttons), |
95 | }; |
96 | |
97 | static struct platform_device mv2120_button_device = { |
98 | .name = "gpio-keys" , |
99 | .id = -1, |
100 | .num_resources = 0, |
101 | .dev = { |
102 | .platform_data = &mv2120_button_data, |
103 | }, |
104 | }; |
105 | |
106 | |
107 | /**************************************************************************** |
108 | * General Setup |
109 | ****************************************************************************/ |
110 | static unsigned int mv2120_mpp_modes[] __initdata = { |
111 | MPP0_GPIO, /* Sys status LED */ |
112 | MPP1_GPIO, /* Sys error LED */ |
113 | MPP2_GPIO, /* OverTemp interrupt */ |
114 | MPP3_GPIO, /* RTC interrupt */ |
115 | MPP4_GPIO, /* V_LED 5V */ |
116 | MPP5_GPIO, /* V_LED 3.3V */ |
117 | MPP6_UNUSED, |
118 | MPP7_UNUSED, |
119 | MPP8_GPIO, /* SATA 0 fail LED */ |
120 | MPP9_GPIO, /* SATA 1 fail LED */ |
121 | MPP10_UNUSED, |
122 | MPP11_UNUSED, |
123 | MPP12_SATA_LED, /* SATA 0 presence */ |
124 | MPP13_SATA_LED, /* SATA 1 presence */ |
125 | MPP14_SATA_LED, /* SATA 0 active */ |
126 | MPP15_SATA_LED, /* SATA 1 active */ |
127 | MPP16_UNUSED, |
128 | MPP17_GPIO, /* Reset button */ |
129 | MPP18_GPIO, /* Power button */ |
130 | MPP19_GPIO, /* Power off */ |
131 | 0, |
132 | }; |
133 | |
134 | static struct i2c_board_info __initdata mv2120_i2c_rtc = { |
135 | I2C_BOARD_INFO("pcf8563" , 0x51), |
136 | .irq = 0, |
137 | }; |
138 | |
139 | static struct gpio_led mv2120_led_pins[] = { |
140 | { |
141 | .name = "mv2120:blue:health" , |
142 | .gpio = 0, |
143 | }, |
144 | { |
145 | .name = "mv2120:red:health" , |
146 | .gpio = 1, |
147 | }, |
148 | { |
149 | .name = "mv2120:led:bright" , |
150 | .gpio = 4, |
151 | .default_trigger = "default-on" , |
152 | }, |
153 | { |
154 | .name = "mv2120:led:dimmed" , |
155 | .gpio = 5, |
156 | }, |
157 | { |
158 | .name = "mv2120:red:sata0" , |
159 | .gpio = 8, |
160 | .active_low = 1, |
161 | }, |
162 | { |
163 | .name = "mv2120:red:sata1" , |
164 | .gpio = 9, |
165 | .active_low = 1, |
166 | }, |
167 | |
168 | }; |
169 | |
170 | static struct gpio_led_platform_data mv2120_led_data = { |
171 | .leds = mv2120_led_pins, |
172 | .num_leds = ARRAY_SIZE(mv2120_led_pins), |
173 | }; |
174 | |
175 | static struct platform_device mv2120_leds = { |
176 | .name = "leds-gpio" , |
177 | .id = -1, |
178 | .dev = { |
179 | .platform_data = &mv2120_led_data, |
180 | } |
181 | }; |
182 | |
183 | static void mv2120_power_off(void) |
184 | { |
185 | pr_info("%s: triggering power-off...\n" , __func__); |
186 | gpio_set_value(MV2120_GPIO_POWER_OFF, value: 0); |
187 | } |
188 | |
189 | static void __init mv2120_init(void) |
190 | { |
191 | /* Setup basic Orion functions. Need to be called early. */ |
192 | orion5x_init(); |
193 | |
194 | orion5x_mpp_conf(mpp_list: mv2120_mpp_modes); |
195 | |
196 | /* |
197 | * Configure peripherals. |
198 | */ |
199 | orion5x_ehci0_init(); |
200 | orion5x_ehci1_init(); |
201 | orion5x_eth_init(eth_data: &mv2120_eth_data); |
202 | orion5x_i2c_init(); |
203 | orion5x_sata_init(sata_data: &mv2120_sata_data); |
204 | orion5x_uart0_init(); |
205 | orion5x_xor_init(); |
206 | |
207 | mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET, |
208 | ORION_MBUS_DEVBUS_BOOT_ATTR, |
209 | MV2120_NOR_BOOT_BASE, |
210 | MV2120_NOR_BOOT_SIZE); |
211 | platform_device_register(&mv2120_nor_flash); |
212 | |
213 | platform_device_register(&mv2120_button_device); |
214 | |
215 | if (gpio_request(MV2120_GPIO_RTC_IRQ, label: "rtc" ) == 0) { |
216 | if (gpio_direction_input(MV2120_GPIO_RTC_IRQ) == 0) |
217 | mv2120_i2c_rtc.irq = gpio_to_irq(MV2120_GPIO_RTC_IRQ); |
218 | else |
219 | gpio_free(MV2120_GPIO_RTC_IRQ); |
220 | } |
221 | i2c_register_board_info(busnum: 0, info: &mv2120_i2c_rtc, n: 1); |
222 | platform_device_register(&mv2120_leds); |
223 | |
224 | /* register mv2120 specific power-off method */ |
225 | if (gpio_request(MV2120_GPIO_POWER_OFF, label: "POWEROFF" ) != 0 || |
226 | gpio_direction_output(MV2120_GPIO_POWER_OFF, value: 1) != 0) |
227 | pr_err("mv2120: failed to setup power-off GPIO\n" ); |
228 | pm_power_off = mv2120_power_off; |
229 | } |
230 | |
231 | /* Warning: HP uses a wrong mach-type (=526) in their bootloader */ |
232 | MACHINE_START(MV2120, "HP Media Vault mv2120" ) |
233 | /* Maintainer: Martin Michlmayr <tbm@cyrius.com> */ |
234 | .atag_offset = 0x100, |
235 | .nr_irqs = ORION5X_NR_IRQS, |
236 | .init_machine = mv2120_init, |
237 | .map_io = orion5x_map_io, |
238 | .init_early = orion5x_init_early, |
239 | .init_irq = orion5x_init_irq, |
240 | .init_time = orion5x_timer_init, |
241 | .fixup = tag_fixup_mem32, |
242 | .restart = orion5x_restart, |
243 | MACHINE_END |
244 | |