Merge branch 'omap/cleanup' into next/cleanup2
[pandora-kernel.git] / arch / arm / mach-omap2 / board-rx51.c
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
39 extern void rx51_video_mem_init(void);
40
41 static struct gpio_led gpio_leds[] = {
42         {
43                 .name   = "sleep_ind",
44                 .gpio   = RX51_GPIO_SLEEP_IND,
45         },
46 };
47
48 static struct gpio_led_platform_data gpio_led_info = {
49         .leds           = gpio_leds,
50         .num_leds       = ARRAY_SIZE(gpio_leds),
51 };
52
53 static 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  */
65 static 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
82 static struct omap_lcd_config rx51_lcd_config = {
83         .ctrl_name      = "internal",
84 };
85
86 static struct omap_fbmem_config rx51_fbmem0_config = {
87         .size = 752 * 1024,
88 };
89
90 static struct omap_fbmem_config rx51_fbmem1_config = {
91         .size = 752 * 1024,
92 };
93
94 static struct omap_fbmem_config rx51_fbmem2_config = {
95         .size = 752 * 1024,
96 };
97
98 static 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
105 extern void __init rx51_peripherals_init(void);
106
107 #ifdef CONFIG_OMAP_MUX
108 static struct omap_board_mux board_mux[] __initdata = {
109         { .reg_offset = OMAP_MUX_TERMINATOR },
110 };
111 #endif
112
113 static struct omap_musb_board_data musb_board_data = {
114         .interface_type         = MUSB_INTERFACE_ULPI,
115         .mode                   = MUSB_PERIPHERAL,
116         .power                  = 0,
117 };
118
119 static void __init rx51_init(void)
120 {
121         struct omap_sdrc_params *sdrc_params;
122
123         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
124         omap_board_config = rx51_config;
125         omap_board_config_size = ARRAY_SIZE(rx51_config);
126         omap3_pm_init_cpuidle(rx51_cpuidle_params);
127         omap_serial_init();
128
129         sdrc_params = nokia_get_sdram_timings();
130         omap_sdrc_init(sdrc_params, sdrc_params);
131
132         usb_musb_init(&musb_board_data);
133         rx51_peripherals_init();
134
135         /* Ensure SDRC pins are mux'd for self-refresh */
136         omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
137         omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
138
139         platform_device_register(&leds_gpio);
140 }
141
142 static void __init rx51_reserve(void)
143 {
144         rx51_video_mem_init();
145         omap_reserve();
146 }
147
148 MACHINE_START(NOKIA_RX51, "Nokia RX-51 board")
149         /* Maintainer: Lauri Leukkunen <lauri.leukkunen@nokia.com> */
150         .boot_params    = 0x80000100,
151         .reserve        = rx51_reserve,
152         .map_io         = omap3_map_io,
153         .init_early     = omap3430_init_early,
154         .init_irq       = omap3_init_irq,
155         .init_machine   = rx51_init,
156         .timer          = &omap3_timer,
157 MACHINE_END