mv2120-setup.c

  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 ****************************************************************************/
 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 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
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	},
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
163static 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
182static struct gpio_led_platform_data mv2120_led_data = {
183	.leds		= mv2120_led_pins,
184	.num_leds	= ARRAY_SIZE(mv2120_led_pins),
185};
186
187static struct platform_device mv2120_leds = {
188	.name	= "leds-gpio",
189	.id	= -1,
190	.dev	= {
191		.platform_data	= &mv2120_led_data,
192	}
193};
194
195static 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
201static 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 */
245MACHINE_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,
256MACHINE_END