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 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
82extern void __init rx51_peripherals_init(void);
83
84#ifdef CONFIG_OMAP_MUX
85static struct omap_board_mux board_mux[] __initdata = {
86	{ .reg_offset = OMAP_MUX_TERMINATOR },
87};
88#endif
89
90static struct omap_musb_board_data musb_board_data = {
91	.interface_type		= MUSB_INTERFACE_ULPI,
92	.mode			= MUSB_PERIPHERAL,
93	.power			= 0,
94};
95
96static void __init rx51_init(void)
97{
98	struct omap_sdrc_params *sdrc_params;
99
100	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
101	omap3_pm_init_cpuidle(rx51_cpuidle_params);
102	omap_serial_init();
103
104	sdrc_params = nokia_get_sdram_timings();
105	omap_sdrc_init(sdrc_params, sdrc_params);
106
107	usb_musb_init(&musb_board_data);
108	rx51_peripherals_init();
109
110	/* Ensure SDRC pins are mux'd for self-refresh */
111	omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
112	omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
113
114	platform_device_register(&leds_gpio);
115}
116
117static void __init rx51_reserve(void)
118{
119	rx51_video_mem_init();
120	omap_reserve();
121}
122
123MACHINE_START(NOKIA_RX51, "Nokia RX-51 board")
124	/* Maintainer: Lauri Leukkunen <lauri.leukkunen@nokia.com> */
125	.atag_offset	= 0x100,
126	.reserve	= rx51_reserve,
127	.map_io		= omap3_map_io,
128	.init_early	= omap3430_init_early,
129	.init_irq	= omap3_init_irq,
130	.handle_irq	= omap3_intc_handle_irq,
131	.init_machine	= rx51_init,
132	.timer		= &omap3_timer,
133	.restart	= omap_prcm_restart,
134MACHINE_END
135