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/gpio/machine.h>
12 #include <linux/kernel.h>
13 #include <linux/init.h>
14 #include <linux/platform_device.h>
15 #include <linux/irq.h>
16 #include <linux/mtd/physmap.h>
17 #include <linux/mv643xx_eth.h>
18 #include <linux/leds.h>
19 #include <linux/gpio_keys.h>
20 #include <linux/input.h>
21 #include <linux/i2c.h>
22 #include <linux/ata_platform.h>
23 #include <asm/mach-types.h>
24 #include <asm/mach/arch.h>
25 #include "common.h"
26 #include "mpp.h"
27 #include "orion5x.h"
28
29 #define MV2120_NOR_BOOT_BASE 0xf4000000
30 #define MV2120_NOR_BOOT_SIZE SZ_512K
31
32 #define MV2120_GPIO_RTC_IRQ 3
33 #define MV2120_GPIO_KEY_RESET 17
34 #define MV2120_GPIO_KEY_POWER 18
35 #define MV2120_GPIO_POWER_OFF 19
36
37
38 /*****************************************************************************
39 * Ethernet
40 ****************************************************************************/
41 static struct mv643xx_eth_platform_data mv2120_eth_data = {
42 .phy_addr = MV643XX_ETH_PHY_ADDR(8),
43 };
44
45 static struct mv_sata_platform_data mv2120_sata_data = {
46 .n_ports = 2,
47 };
48
49 static struct mtd_partition mv2120_partitions[] = {
50 {
51 .name = "firmware",
52 .size = 0x00080000,
53 .offset = 0,
54 },
55 };
56
57 static struct physmap_flash_data mv2120_nor_flash_data = {
58 .width = 1,
59 .parts = mv2120_partitions,
60 .nr_parts = ARRAY_SIZE(mv2120_partitions)
61 };
62
63 static struct resource mv2120_nor_flash_resource = {
64 .flags = IORESOURCE_MEM,
65 .start = MV2120_NOR_BOOT_BASE,
66 .end = MV2120_NOR_BOOT_BASE + MV2120_NOR_BOOT_SIZE - 1,
67 };
68
69 static struct platform_device mv2120_nor_flash = {
70 .name = "physmap-flash",
71 .id = 0,
72 .dev = {
73 .platform_data = &mv2120_nor_flash_data,
74 },
75 .resource = &mv2120_nor_flash_resource,
76 .num_resources = 1,
77 };
78
79 static struct gpio_keys_button mv2120_buttons[] = {
80 {
81 .code = KEY_RESTART,
82 .gpio = MV2120_GPIO_KEY_RESET,
83 .desc = "reset",
84 .active_low = 1,
85 }, {
86 .code = KEY_POWER,
87 .gpio = MV2120_GPIO_KEY_POWER,
88 .desc = "power",
89 .active_low = 1,
90 },
91 };
92
93 static struct gpio_keys_platform_data mv2120_button_data = {
94 .buttons = mv2120_buttons,
95 .nbuttons = ARRAY_SIZE(mv2120_buttons),
96 };
97
98 static struct platform_device mv2120_button_device = {
99 .name = "gpio-keys",
100 .id = -1,
101 .num_resources = 0,
102 .dev = {
103 .platform_data = &mv2120_button_data,
104 },
105 };
106
107
108 /****************************************************************************
109 * General Setup
110 ****************************************************************************/
111 static unsigned int mv2120_mpp_modes[] __initdata = {
112 MPP0_GPIO, /* Sys status LED */
113 MPP1_GPIO, /* Sys error LED */
114 MPP2_GPIO, /* OverTemp interrupt */
115 MPP3_GPIO, /* RTC interrupt */
116 MPP4_GPIO, /* V_LED 5V */
117 MPP5_GPIO, /* V_LED 3.3V */
118 MPP6_UNUSED,
119 MPP7_UNUSED,
120 MPP8_GPIO, /* SATA 0 fail LED */
121 MPP9_GPIO, /* SATA 1 fail LED */
122 MPP10_UNUSED,
123 MPP11_UNUSED,
124 MPP12_SATA_LED, /* SATA 0 presence */
125 MPP13_SATA_LED, /* SATA 1 presence */
126 MPP14_SATA_LED, /* SATA 0 active */
127 MPP15_SATA_LED, /* SATA 1 active */
128 MPP16_UNUSED,
129 MPP17_GPIO, /* Reset button */
130 MPP18_GPIO, /* Power button */
131 MPP19_GPIO, /* Power off */
132 0,
133 };
134
135 static struct i2c_board_info __initdata mv2120_i2c_rtc = {
136 I2C_BOARD_INFO("pcf8563", 0x51),
137 .irq = 0,
138 };
139
140 static struct gpio_led mv2120_led_pins[] = {
141 {
142 .name = "mv2120:blue:health",
143 },
144 {
145 .name = "mv2120:red:health",
146 },
147 {
148 .name = "mv2120:led:bright",
149 .default_trigger = "default-on",
150 },
151 {
152 .name = "mv2120:led:dimmed",
153 },
154 {
155 .name = "mv2120:red:sata0",
156 },
157 {
158 .name = "mv2120:red:sata1",
159 },
160
161 };
162
163 static struct gpiod_lookup_table mv2120_leds_gpio_table = {
164 .dev_id = "leds-gpio",
165 .table = {
166 GPIO_LOOKUP_IDX("orion_gpio0", 0, NULL,
167 0, GPIO_ACTIVE_HIGH),
168 GPIO_LOOKUP_IDX("orion_gpio0", 1, NULL,
169 1, GPIO_ACTIVE_HIGH),
170 GPIO_LOOKUP_IDX("orion_gpio0", 4, NULL,
171 2, GPIO_ACTIVE_HIGH),
172 GPIO_LOOKUP_IDX("orion_gpio0", 5, NULL,
173 3, GPIO_ACTIVE_HIGH),
174 GPIO_LOOKUP_IDX("orion_gpio0", 8, NULL,
175 4, GPIO_ACTIVE_LOW),
176 GPIO_LOOKUP_IDX("orion_gpio0", 9, NULL,
177 5, GPIO_ACTIVE_LOW),
178 { },
179 },
180 };
181
182 static struct gpio_led_platform_data mv2120_led_data = {
183 .leds = mv2120_led_pins,
184 .num_leds = ARRAY_SIZE(mv2120_led_pins),
185 };
186
187 static struct platform_device mv2120_leds = {
188 .name = "leds-gpio",
189 .id = -1,
190 .dev = {
191 .platform_data = &mv2120_led_data,
192 }
193 };
194
mv2120_power_off(void)195 static void mv2120_power_off(void)
196 {
197 pr_info("%s: triggering power-off...\n", __func__);
198 gpio_set_value(MV2120_GPIO_POWER_OFF, 0);
199 }
200
mv2120_init(void)201 static void __init mv2120_init(void)
202 {
203 /* Setup basic Orion functions. Need to be called early. */
204 orion5x_init();
205
206 orion5x_mpp_conf(mv2120_mpp_modes);
207
208 /*
209 * Configure peripherals.
210 */
211 orion5x_ehci0_init();
212 orion5x_ehci1_init();
213 orion5x_eth_init(&mv2120_eth_data);
214 orion5x_i2c_init();
215 orion5x_sata_init(&mv2120_sata_data);
216 orion5x_uart0_init();
217 orion5x_xor_init();
218
219 mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
220 ORION_MBUS_DEVBUS_BOOT_ATTR,
221 MV2120_NOR_BOOT_BASE,
222 MV2120_NOR_BOOT_SIZE);
223 platform_device_register(&mv2120_nor_flash);
224
225 platform_device_register(&mv2120_button_device);
226
227 if (gpio_request(MV2120_GPIO_RTC_IRQ, "rtc") == 0) {
228 if (gpio_direction_input(MV2120_GPIO_RTC_IRQ) == 0)
229 mv2120_i2c_rtc.irq = gpio_to_irq(MV2120_GPIO_RTC_IRQ);
230 else
231 gpio_free(MV2120_GPIO_RTC_IRQ);
232 }
233 i2c_register_board_info(0, &mv2120_i2c_rtc, 1);
234 gpiod_add_lookup_table(&mv2120_leds_gpio_table);
235 platform_device_register(&mv2120_leds);
236
237 /* register mv2120 specific power-off method */
238 if (gpio_request(MV2120_GPIO_POWER_OFF, "POWEROFF") != 0 ||
239 gpio_direction_output(MV2120_GPIO_POWER_OFF, 1) != 0)
240 pr_err("mv2120: failed to setup power-off GPIO\n");
241 register_platform_power_off(mv2120_power_off);
242 }
243
244 /* Warning: HP uses a wrong mach-type (=526) in their bootloader */
245 MACHINE_START(MV2120, "HP Media Vault mv2120")
246 /* Maintainer: Martin Michlmayr <tbm@cyrius.com> */
247 .atag_offset = 0x100,
248 .nr_irqs = ORION5X_NR_IRQS,
249 .init_machine = mv2120_init,
250 .map_io = orion5x_map_io,
251 .init_early = orion5x_init_early,
252 .init_irq = orion5x_init_irq,
253 .init_time = orion5x_timer_init,
254 .fixup = tag_fixup_mem32,
255 .restart = orion5x_restart,
256 MACHINE_END
257