2 * linux/arch/arm/mach-omap2/board-rx51.c
4 * Copyright (C) 2007, 2008 Nokia
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.
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>
18 #include <linux/gpio.h>
19 #include <linux/leds.h>
20 #include <linux/platform_data/spi-omap2-mcspi.h>
22 #include <asm/mach-types.h>
23 #include <asm/mach/arch.h>
24 #include <asm/mach/map.h>
28 #include <plat/gpmc.h>
33 #include "sdram-nokia.h"
35 #define RX51_GPIO_SLEEP_IND 162
37 extern void rx51_video_mem_init(void);
39 static struct gpio_led gpio_leds
[] = {
42 .gpio
= RX51_GPIO_SLEEP_IND
,
46 static struct gpio_led_platform_data gpio_led_info
= {
48 .num_leds
= ARRAY_SIZE(gpio_leds
),
51 static struct platform_device leds_gpio
= {
55 .platform_data
= &gpio_led_info
,
60 * cpuidle C-states definition for rx51.
62 * The 'exit_latency' field is the sum of sleep
63 * and wake-up latencies.
65 ---------------------------------------------
66 | state | exit_latency | target_residency |
67 ---------------------------------------------
68 | C1 | 110 + 162 | 5 |
69 | C2 | 106 + 180 | 309 |
70 | C3 | 107 + 410 | 46057 |
71 | C4 | 121 + 3374 | 46057 |
72 | C5 | 855 + 1146 | 46057 |
73 | C6 | 7580 + 4134 | 484329 |
74 | C7 | 7505 + 15274 | 484329 |
75 ---------------------------------------------
79 extern void __init
rx51_peripherals_init(void);
81 #ifdef CONFIG_OMAP_MUX
82 static struct omap_board_mux board_mux
[] __initdata
= {
83 { .reg_offset
= OMAP_MUX_TERMINATOR
},
87 static struct omap_musb_board_data musb_board_data
= {
88 .interface_type
= MUSB_INTERFACE_ULPI
,
89 .mode
= MUSB_PERIPHERAL
,
93 static void __init
rx51_init(void)
95 struct omap_sdrc_params
*sdrc_params
;
97 omap3_mux_init(board_mux
, OMAP_PACKAGE_CBB
);
100 sdrc_params
= nokia_get_sdram_timings();
101 omap_sdrc_init(sdrc_params
, sdrc_params
);
103 usb_musb_init(&musb_board_data
);
104 rx51_peripherals_init();
106 /* Ensure SDRC pins are mux'd for self-refresh */
107 omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT
);
108 omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT
);
110 platform_device_register(&leds_gpio
);
113 static void __init
rx51_reserve(void)
115 rx51_video_mem_init();
119 MACHINE_START(NOKIA_RX51
, "Nokia RX-51 board")
120 /* Maintainer: Lauri Leukkunen <lauri.leukkunen@nokia.com> */
121 .atag_offset
= 0x100,
122 .reserve
= rx51_reserve
,
123 .map_io
= omap3_map_io
,
124 .init_early
= omap3430_init_early
,
125 .init_irq
= omap3_init_irq
,
126 .handle_irq
= omap3_intc_handle_irq
,
127 .init_machine
= rx51_init
,
128 .init_late
= omap3430_init_late
,
129 .timer
= &omap3_timer
,
130 .restart
= omap_prcm_restart
,