1/*
  2 * linux/arch/arm/mach-omap2/board-rx51.c
  3 *
  4 * Copyright (C) 2007, 2008 Nokia
  5 *
  6 * This program is free software; you can redistribute it and/or modify
  7 * it under the terms of the GNU General Public License version 2 as
  8 * published by the Free Software Foundation.
  9 */
 10
 11#include <linux/kernel.h>
 12#include <linux/init.h>
 13#include <linux/platform_device.h>
 14#include <linux/delay.h>
 15#include <linux/err.h>
 16#include <linux/clk.h>
 17#include <linux/io.h>
 18#include <linux/gpio.h>
 19#include <linux/leds.h>
 20
 21#include <mach/hardware.h>
 22#include <asm/mach-types.h>
 23#include <asm/mach/arch.h>
 24#include <asm/mach/map.h>
 25
 26#include <plat/mcspi.h>
 27#include <plat/board.h>
 28#include <plat/common.h>
 29#include <plat/dma.h>
 30#include <plat/gpmc.h>
 31#include <plat/usb.h>
 32
 33#include "mux.h"
 34#include "pm.h"
 35#include "sdram-nokia.h"
 36
 37#define RX51_GPIO_SLEEP_IND 162
 38
 39extern void rx51_video_mem_init(void);
 40
 41static struct gpio_led gpio_leds[] = {
 42	{
 43		.name	= "sleep_ind",
 44		.gpio	= RX51_GPIO_SLEEP_IND,
 45	},
 46};
 47
 48static struct gpio_led_platform_data gpio_led_info = {
 49	.leds		= gpio_leds,
 50	.num_leds	= ARRAY_SIZE(gpio_leds),
 51};
 52
 53static struct platform_device leds_gpio = {
 54	.name	= "leds-gpio",
 55	.id	= -1,
 56	.dev	= {
 57		.platform_data	= &gpio_led_info,
 58	},
 59};
 60
 61/*
 62 * cpuidle C-states definition override from the default values.
 63 * The 'exit_latency' field is the sum of sleep and wake-up latencies.
 64 */
 65static struct cpuidle_params rx51_cpuidle_params[] = {
 66	/* C1 */
 67	{110 + 162, 5 , 1},
 68	/* C2 */
 69	{106 + 180, 309, 1},
 70	/* C3 */
 71	{107 + 410, 46057, 0},
 72	/* C4 */
 73	{121 + 3374, 46057, 0},
 74	/* C5 */
 75	{855 + 1146, 46057, 1},
 76	/* C6 */
 77	{7580 + 4134, 484329, 0},
 78	/* C7 */
 79	{7505 + 15274, 484329, 1},
 80};
 81
 82static struct omap_lcd_config rx51_lcd_config = {
 83	.ctrl_name	= "internal",
 84};
 85
 86static struct omap_fbmem_config rx51_fbmem0_config = {
 87	.size = 752 * 1024,
 88};
 89
 90static struct omap_fbmem_config rx51_fbmem1_config = {
 91	.size = 752 * 1024,
 92};
 93
 94static struct omap_fbmem_config rx51_fbmem2_config = {
 95	.size = 752 * 1024,
 96};
 97
 98static struct omap_board_config_kernel rx51_config[] = {
 99	{ OMAP_TAG_FBMEM,	&rx51_fbmem0_config },
100	{ OMAP_TAG_FBMEM,	&rx51_fbmem1_config },
101	{ OMAP_TAG_FBMEM,	&rx51_fbmem2_config },
102	{ OMAP_TAG_LCD,		&rx51_lcd_config },
103};
104
105static void __init rx51_init_early(void)
106{
107	struct omap_sdrc_params *sdrc_params;
108
109	omap2_init_common_infrastructure();
110	sdrc_params = nokia_get_sdram_timings();
111	omap2_init_common_devices(sdrc_params, sdrc_params);
112}
113
114extern void __init rx51_peripherals_init(void);
115
116#ifdef CONFIG_OMAP_MUX
117static struct omap_board_mux board_mux[] __initdata = {
118	{ .reg_offset = OMAP_MUX_TERMINATOR },
119};
120#endif
121
122static struct omap_musb_board_data musb_board_data = {
123	.interface_type		= MUSB_INTERFACE_ULPI,
124	.mode			= MUSB_PERIPHERAL,
125	.power			= 0,
126};
127
128static void __init rx51_init(void)
129{
130	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
131	omap_board_config = rx51_config;
132	omap_board_config_size = ARRAY_SIZE(rx51_config);
133	omap3_pm_init_cpuidle(rx51_cpuidle_params);
134	omap_serial_init();
135	usb_musb_init(&musb_board_data);
136	rx51_peripherals_init();
137
138	/* Ensure SDRC pins are mux'd for self-refresh */
139	omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
140	omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
141
142	platform_device_register(&leds_gpio);
143}
144
145static void __init rx51_map_io(void)
146{
147	omap2_set_globals_3xxx();
148	omap34xx_map_common_io();
149}
150
151static void __init rx51_reserve(void)
152{
153	rx51_video_mem_init();
154	omap_reserve();
155}
156
157MACHINE_START(NOKIA_RX51, "Nokia RX-51 board")
158	/* Maintainer: Lauri Leukkunen <lauri.leukkunen@nokia.com> */
159	.boot_params	= 0x80000100,
160	.reserve	= rx51_reserve,
161	.map_io		= rx51_map_io,
162	.init_early	= rx51_init_early,
163	.init_irq	= omap3_init_irq,
164	.init_machine	= rx51_init,
165	.timer		= &omap3_timer,
166MACHINE_END