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 "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 for rx51.
 63 *
 64 * The 'exit_latency' field is the sum of sleep
 65 * and wake-up latencies.
 66
 67    ---------------------------------------------
 68   | state |  exit_latency  |  target_residency  |
 69    ---------------------------------------------
 70   |  C1   |    110 + 162   |            5       |
 71   |  C2   |    106 + 180   |          309       |
 72   |  C3   |    107 + 410   |        46057       |
 73   |  C4   |    121 + 3374  |        46057       |
 74   |  C5   |    855 + 1146  |        46057       |
 75   |  C6   |   7580 + 4134  |       484329       |
 76   |  C7   |   7505 + 15274 |       484329       |
 77    ---------------------------------------------
 78
 79*/
 80
 81extern void __init rx51_peripherals_init(void);
 82
 83#ifdef CONFIG_OMAP_MUX
 84static struct omap_board_mux board_mux[] __initdata = {
 85	{ .reg_offset = OMAP_MUX_TERMINATOR },
 86};
 87#endif
 88
 89static struct omap_musb_board_data musb_board_data = {
 90	.interface_type		= MUSB_INTERFACE_ULPI,
 91	.mode			= MUSB_PERIPHERAL,
 92	.power			= 0,
 93};
 94
 95static void __init rx51_init(void)
 96{
 97	struct omap_sdrc_params *sdrc_params;
 98
 99	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
100	omap_serial_init();
101
102	sdrc_params = nokia_get_sdram_timings();
103	omap_sdrc_init(sdrc_params, sdrc_params);
104
105	usb_musb_init(&musb_board_data);
106	rx51_peripherals_init();
107
108	/* Ensure SDRC pins are mux'd for self-refresh */
109	omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
110	omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
111
112	platform_device_register(&leds_gpio);
113}
114
115static void __init rx51_reserve(void)
116{
117	rx51_video_mem_init();
118	omap_reserve();
119}
120
121MACHINE_START(NOKIA_RX51, "Nokia RX-51 board")
122	/* Maintainer: Lauri Leukkunen <lauri.leukkunen@nokia.com> */
123	.atag_offset	= 0x100,
124	.reserve	= rx51_reserve,
125	.map_io		= omap3_map_io,
126	.init_early	= omap3430_init_early,
127	.init_irq	= omap3_init_irq,
128	.handle_irq	= omap3_intc_handle_irq,
129	.init_machine	= rx51_init,
130	.init_late	= omap3430_init_late,
131	.timer		= &omap3_timer,
132	.restart	= omap_prcm_restart,
133MACHINE_END