| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame] | 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 | |
| 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 | |
| 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 |