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Lauri Leukkunenffe7f952009-03-23 18:38:17 -07001/*
Pavel Machekcc067792012-10-17 23:03:00 +02002 * Board support file for Nokia N900 (aka RX-51).
Lauri Leukkunenffe7f952009-03-23 18:38:17 -07003 *
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>
Lauri Leukkunenffe7f952009-03-23 18:38:17 -070018#include <linux/gpio.h>
Kevin Hilmana4b41d82009-10-02 08:17:56 -070019#include <linux/leds.h>
Felipe Balbie8c4a7a2012-10-24 14:26:19 -070020#include <linux/usb/musb.h>
Arnd Bergmann22037472012-08-24 15:21:06 +020021#include <linux/platform_data/spi-omap2-mcspi.h>
Lauri Leukkunenffe7f952009-03-23 18:38:17 -070022
Lauri Leukkunenffe7f952009-03-23 18:38:17 -070023#include <asm/mach-types.h>
24#include <asm/mach/arch.h>
25#include <asm/mach/map.h>
26
Tony Lindgren45c3eb72012-11-30 08:41:50 -080027#include <linux/omap-dma.h>
Lauri Leukkunenffe7f952009-03-23 18:38:17 -070028
Tony Lindgren99f0b8d2012-10-17 11:07:18 -070029#include "common.h"
Tony Lindgrenca5742b2009-12-11 16:16:32 -080030#include "mux.h"
Tony Lindgren99f0b8d2012-10-17 11:07:18 -070031#include "gpmc.h"
Kalle Jokiniemi5a1b1d32009-10-29 10:30:20 +020032#include "pm.h"
Aaro Koskinenfcd8d8462010-12-17 15:13:44 -080033#include "sdram-nokia.h"
Tony Lindgrenca5742b2009-12-11 16:16:32 -080034
Kevin Hilmana4b41d82009-10-02 08:17:56 -070035#define RX51_GPIO_SLEEP_IND 162
Lauri Leukkunenffe7f952009-03-23 18:38:17 -070036
Kevin Hilmana4b41d82009-10-02 08:17:56 -070037static struct gpio_led gpio_leds[] = {
38 {
39 .name = "sleep_ind",
40 .gpio = RX51_GPIO_SLEEP_IND,
41 },
42};
43
44static struct gpio_led_platform_data gpio_led_info = {
45 .leds = gpio_leds,
46 .num_leds = ARRAY_SIZE(gpio_leds),
47};
48
49static struct platform_device leds_gpio = {
50 .name = "leds-gpio",
51 .id = -1,
52 .dev = {
53 .platform_data = &gpio_led_info,
54 },
55};
56
Jean Pihet866ba0e2011-05-09 12:02:13 +020057/*
Daniel Lezcano231900a2012-04-24 16:05:29 +020058 * cpuidle C-states definition for rx51.
59 *
60 * The 'exit_latency' field is the sum of sleep
61 * and wake-up latencies.
62
63 ---------------------------------------------
64 | state | exit_latency | target_residency |
65 ---------------------------------------------
66 | C1 | 110 + 162 | 5 |
67 | C2 | 106 + 180 | 309 |
68 | C3 | 107 + 410 | 46057 |
69 | C4 | 121 + 3374 | 46057 |
70 | C5 | 855 + 1146 | 46057 |
71 | C6 | 7580 + 4134 | 484329 |
72 | C7 | 7505 + 15274 | 484329 |
73 ---------------------------------------------
74
75*/
Kalle Jokiniemi5a1b1d32009-10-29 10:30:20 +020076
Lauri Leukkunenffe7f952009-03-23 18:38:17 -070077extern void __init rx51_peripherals_init(void);
78
Tony Lindgrenca5742b2009-12-11 16:16:32 -080079#ifdef CONFIG_OMAP_MUX
80static struct omap_board_mux board_mux[] __initdata = {
81 { .reg_offset = OMAP_MUX_TERMINATOR },
82};
Tony Lindgrenca5742b2009-12-11 16:16:32 -080083#endif
84
Maulik Mankad884b8362010-02-17 14:09:30 -080085static struct omap_musb_board_data musb_board_data = {
86 .interface_type = MUSB_INTERFACE_ULPI,
87 .mode = MUSB_PERIPHERAL,
88 .power = 0,
89};
90
Lauri Leukkunenffe7f952009-03-23 18:38:17 -070091static void __init rx51_init(void)
92{
Tony Lindgrena4ca9db2011-08-22 23:57:23 -070093 struct omap_sdrc_params *sdrc_params;
94
Tony Lindgrenca5742b2009-12-11 16:16:32 -080095 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
Lauri Leukkunenffe7f952009-03-23 18:38:17 -070096 omap_serial_init();
Tony Lindgrena4ca9db2011-08-22 23:57:23 -070097
98 sdrc_params = nokia_get_sdram_timings();
99 omap_sdrc_init(sdrc_params, sdrc_params);
100
Maulik Mankad884b8362010-02-17 14:09:30 -0800101 usb_musb_init(&musb_board_data);
Lauri Leukkunenffe7f952009-03-23 18:38:17 -0700102 rx51_peripherals_init();
Jean Pihet9fb97412009-07-24 19:43:25 -0600103
104 /* Ensure SDRC pins are mux'd for self-refresh */
Tony Lindgren4896e392009-12-11 16:16:32 -0800105 omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
106 omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
Kevin Hilmana4b41d82009-10-02 08:17:56 -0700107
108 platform_device_register(&leds_gpio);
Lauri Leukkunenffe7f952009-03-23 18:38:17 -0700109}
110
Felipe Contreras26a064d2011-04-26 02:45:28 -0700111static void __init rx51_reserve(void)
112{
Felipe Contreras26a064d2011-04-26 02:45:28 -0700113 omap_reserve();
114}
115
Lauri Leukkunenffe7f952009-03-23 18:38:17 -0700116MACHINE_START(NOKIA_RX51, "Nokia RX-51 board")
117 /* Maintainer: Lauri Leukkunen <lauri.leukkunen@nokia.com> */
Nicolas Pitre5e52b432011-07-05 22:38:15 -0400118 .atag_offset = 0x100,
Felipe Contreras26a064d2011-04-26 02:45:28 -0700119 .reserve = rx51_reserve,
Tony Lindgrene990a402011-09-26 14:52:55 -0700120 .map_io = omap3_map_io,
Tony Lindgren8f5b5a42011-08-22 23:57:24 -0700121 .init_early = omap3430_init_early,
Tony Lindgren741e3a82011-05-17 03:51:26 -0700122 .init_irq = omap3_init_irq,
Marc Zyngier6b2f55d2011-09-06 10:23:45 +0100123 .handle_irq = omap3_intc_handle_irq,
Lauri Leukkunenffe7f952009-03-23 18:38:17 -0700124 .init_machine = rx51_init,
Shawn Guobbd707a2012-04-26 16:06:50 +0800125 .init_late = omap3430_init_late,
Stephen Warren6bb27d72012-11-08 12:40:59 -0700126 .init_time = omap3_sync32k_timer_init,
Paul Walmsley187e3e02012-10-29 20:56:12 -0600127 .restart = omap3xxx_restart,
Lauri Leukkunenffe7f952009-03-23 18:38:17 -0700128MACHINE_END