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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6/arch/arm/mach-orion5x/
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 ****************************************************************************/
41static struct mv643xx_eth_platform_data mv2120_eth_data = {
42	.phy_addr	= MV643XX_ETH_PHY_ADDR(8),
43};
44
45static struct mv_sata_platform_data mv2120_sata_data = {
46	.n_ports	= 2,
47};
48
49static struct mtd_partition mv2120_partitions[] = {
50	{
51		.name	= "firmware",
52		.size	= 0x00080000,
53		.offset	= 0,
54	},
55};
56
57static struct physmap_flash_data mv2120_nor_flash_data = {
58	.width		= 1,
59	.parts		= mv2120_partitions,
60	.nr_parts	= ARRAY_SIZE(mv2120_partitions)
61};
62
63static 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
69static 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
79static 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
93static struct gpio_keys_platform_data mv2120_button_data = {
94	.buttons	= mv2120_buttons,
95	.nbuttons	= ARRAY_SIZE(mv2120_buttons),
96};
97
98static 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 ****************************************************************************/
111static struct orion5x_mpp_mode mv2120_mpp_modes[] __initdata = {
112	{  0, MPP_GPIO },		/* Sys status LED */
113	{  1, MPP_GPIO },		/* Sys error LED */
114	{  2, MPP_GPIO },		/* OverTemp interrupt */
115	{  3, MPP_GPIO },		/* RTC interrupt */
116	{  4, MPP_GPIO },		/* V_LED 5V */
117	{  5, MPP_GPIO },		/* V_LED 3.3V */
118	{  6, MPP_UNUSED },
119	{  7, MPP_UNUSED },
120	{  8, MPP_GPIO },		/* SATA 0 fail LED */
121	{  9, MPP_GPIO },		/* SATA 1 fail LED */
122	{ 10, MPP_UNUSED },
123	{ 11, MPP_UNUSED },
124	{ 12, MPP_SATA_LED },		/* SATA 0 presence */
125	{ 13, MPP_SATA_LED },		/* SATA 1 presence */
126	{ 14, MPP_SATA_LED },		/* SATA 0 active */
127	{ 15, MPP_SATA_LED },		/* SATA 1 active */
128	{ 16, MPP_UNUSED },
129	{ 17, MPP_GPIO },		/* Reset button */
130	{ 18, MPP_GPIO },		/* Power button */
131	{ 19, MPP_GPIO },		/* Power off */
132	{ -1 },
133};
134
135static struct i2c_board_info __initdata mv2120_i2c_rtc = {
136	I2C_BOARD_INFO("pcf8563", 0x51),
137	.irq	= 0,
138};
139
140static 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
171static struct gpio_led_platform_data mv2120_led_data = {
172	.leds		= mv2120_led_pins,
173	.num_leds	= ARRAY_SIZE(mv2120_led_pins),
174};
175
176static struct platform_device mv2120_leds = {
177	.name	= "leds-gpio",
178	.id	= -1,
179	.dev	= {
180		.platform_data	= &mv2120_led_data,
181	}
182};
183
184static 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
190static 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 */
230MACHINE_START(MV2120, "HP Media Vault mv2120")
231	/* Maintainer: Martin Michlmayr <tbm@cyrius.com> */
232	.phys_io	= ORION5X_REGS_PHYS_BASE,
233	.io_pg_offst	= ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
234	.boot_params	= 0x00000100,
235	.init_machine	= mv2120_init,
236	.map_io		= orion5x_map_io,
237	.init_irq	= orion5x_init_irq,
238	.timer		= &orion5x_timer,
239	.fixup		= tag_fixup_mem32
240MACHINE_END
241