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
mv2120_power_off(void)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, 0);
187 }
188
mv2120_init(void)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(mv2120_mpp_modes);
195
196 /*
197 * Configure peripherals.
198 */
199 orion5x_ehci0_init();
200 orion5x_ehci1_init();
201 orion5x_eth_init(&mv2120_eth_data);
202 orion5x_i2c_init();
203 orion5x_sata_init(&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, "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(0, &mv2120_i2c_rtc, 1);
222 platform_device_register(&mv2120_leds);
223
224 /* register mv2120 specific power-off method */
225 if (gpio_request(MV2120_GPIO_POWER_OFF, "POWEROFF") != 0 ||
226 gpio_direction_output(MV2120_GPIO_POWER_OFF, 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