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