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
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 extern void __init rx51_peripherals_init(void);
83
84 #ifdef CONFIG_OMAP_MUX
85 static struct omap_board_mux board_mux[] __initdata = {
86 { .reg_offset = OMAP_MUX_TERMINATOR },
87 };
88 #endif
89
90 static struct omap_musb_board_data musb_board_data = {
91 .interface_type = MUSB_INTERFACE_ULPI,
92 .mode = MUSB_PERIPHERAL,
93 .power = 0,
94 };
95
rx51_init(void)96 static 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
rx51_reserve(void)117 static void __init rx51_reserve(void)
118 {
119 rx51_video_mem_init();
120 omap_reserve();
121 }
122
123 MACHINE_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,
134 MACHINE_END
135