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