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 
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/gpio.h>
24 #include <asm/mach/arch.h>
25 #include <mach/orion5x.h>
26 #include "common.h"
27 #include "mpp.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 		.gpio			= 0,
144 	},
145 	{
146 		.name			= "mv2120:red:health",
147 		.gpio			= 1,
148 	},
149 	{
150 		.name			= "mv2120:led:bright",
151 		.gpio			= 4,
152 		.default_trigger	= "default-on",
153 	},
154 	{
155 		.name			= "mv2120:led:dimmed",
156 		.gpio			= 5,
157 	},
158 	{
159 		.name			= "mv2120:red:sata0",
160 		.gpio			= 8,
161 		.active_low		= 1,
162 	},
163 	{
164 		.name			= "mv2120:red:sata1",
165 		.gpio			= 9,
166 		.active_low		= 1,
167 	},
168 
169 };
170 
171 static struct gpio_led_platform_data mv2120_led_data = {
172 	.leds		= mv2120_led_pins,
173 	.num_leds	= ARRAY_SIZE(mv2120_led_pins),
174 };
175 
176 static struct platform_device mv2120_leds = {
177 	.name	= "leds-gpio",
178 	.id	= -1,
179 	.dev	= {
180 		.platform_data	= &mv2120_led_data,
181 	}
182 };
183 
184 static void mv2120_power_off(void)
185 {
186 	pr_info("%s: triggering power-off...\n", __func__);
187 	gpio_set_value(MV2120_GPIO_POWER_OFF, 0);
188 }
189 
190 static void __init mv2120_init(void)
191 {
192 	/* Setup basic Orion functions. Need to be called early. */
193 	orion5x_init();
194 
195 	orion5x_mpp_conf(mv2120_mpp_modes);
196 
197 	/*
198 	 * Configure peripherals.
199 	 */
200 	orion5x_ehci0_init();
201 	orion5x_ehci1_init();
202 	orion5x_eth_init(&mv2120_eth_data);
203 	orion5x_i2c_init();
204 	orion5x_sata_init(&mv2120_sata_data);
205 	orion5x_uart0_init();
206 	orion5x_xor_init();
207 
208 	orion5x_setup_dev_boot_win(MV2120_NOR_BOOT_BASE, MV2120_NOR_BOOT_SIZE);
209 	platform_device_register(&mv2120_nor_flash);
210 
211 	platform_device_register(&mv2120_button_device);
212 
213 	if (gpio_request(MV2120_GPIO_RTC_IRQ, "rtc") == 0) {
214 		if (gpio_direction_input(MV2120_GPIO_RTC_IRQ) == 0)
215 			mv2120_i2c_rtc.irq = gpio_to_irq(MV2120_GPIO_RTC_IRQ);
216 		else
217 			gpio_free(MV2120_GPIO_RTC_IRQ);
218 	}
219 	i2c_register_board_info(0, &mv2120_i2c_rtc, 1);
220 	platform_device_register(&mv2120_leds);
221 
222 	/* register mv2120 specific power-off method */
223 	if (gpio_request(MV2120_GPIO_POWER_OFF, "POWEROFF") != 0 ||
224 	    gpio_direction_output(MV2120_GPIO_POWER_OFF, 1) != 0)
225 		pr_err("mv2120: failed to setup power-off GPIO\n");
226 	pm_power_off = mv2120_power_off;
227 }
228 
229 /* Warning: HP uses a wrong mach-type (=526) in their bootloader */
230 MACHINE_START(MV2120, "HP Media Vault mv2120")
231 	/* Maintainer: Martin Michlmayr <tbm@cyrius.com> */
232 	.boot_params	= 0x00000100,
233 	.init_machine	= mv2120_init,
234 	.map_io		= orion5x_map_io,
235 	.init_early	= orion5x_init_early,
236 	.init_irq	= orion5x_init_irq,
237 	.timer		= &orion5x_timer,
238 	.fixup		= tag_fixup_mem32
239 MACHINE_END
240