Lauri Leukkunen | ffe7f95 | 2009-03-23 18:38:17 -0700 | [diff] [blame] | 1 | /* |
Pavel Machek | cc06779 | 2012-10-17 23:03:00 +0200 | [diff] [blame] | 2 | * Board support file for Nokia N900 (aka RX-51). |
Lauri Leukkunen | ffe7f95 | 2009-03-23 18:38:17 -0700 | [diff] [blame] | 3 | * |
| 4 | * Copyright (C) 2007, 2008 Nokia |
Pali Rohár | 4748a72 | 2013-09-18 21:43:56 +0200 | [diff] [blame] | 5 | * Copyright (C) 2012 Ivaylo Dimitrov <freemangordon@abv.bg> |
| 6 | * Copyright (C) 2013 Pali Rohár <pali.rohar@gmail.com> |
Lauri Leukkunen | ffe7f95 | 2009-03-23 18:38:17 -0700 | [diff] [blame] | 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License version 2 as |
| 10 | * published by the Free Software Foundation. |
| 11 | */ |
| 12 | |
| 13 | #include <linux/kernel.h> |
| 14 | #include <linux/init.h> |
| 15 | #include <linux/platform_device.h> |
| 16 | #include <linux/delay.h> |
| 17 | #include <linux/err.h> |
| 18 | #include <linux/clk.h> |
| 19 | #include <linux/io.h> |
Lauri Leukkunen | ffe7f95 | 2009-03-23 18:38:17 -0700 | [diff] [blame] | 20 | #include <linux/gpio.h> |
Kevin Hilman | a4b41d8 | 2009-10-02 08:17:56 -0700 | [diff] [blame] | 21 | #include <linux/leds.h> |
Aaro Koskinen | b0ad099 | 2013-03-05 13:09:40 +0200 | [diff] [blame] | 22 | #include <linux/usb/phy.h> |
Felipe Balbi | e8c4a7a | 2012-10-24 14:26:19 -0700 | [diff] [blame] | 23 | #include <linux/usb/musb.h> |
Arnd Bergmann | 2203747 | 2012-08-24 15:21:06 +0200 | [diff] [blame] | 24 | #include <linux/platform_data/spi-omap2-mcspi.h> |
Lauri Leukkunen | ffe7f95 | 2009-03-23 18:38:17 -0700 | [diff] [blame] | 25 | |
Lauri Leukkunen | ffe7f95 | 2009-03-23 18:38:17 -0700 | [diff] [blame] | 26 | #include <asm/mach-types.h> |
| 27 | #include <asm/mach/arch.h> |
| 28 | #include <asm/mach/map.h> |
| 29 | |
Tony Lindgren | 45c3eb7 | 2012-11-30 08:41:50 -0800 | [diff] [blame] | 30 | #include <linux/omap-dma.h> |
Lauri Leukkunen | ffe7f95 | 2009-03-23 18:38:17 -0700 | [diff] [blame] | 31 | |
Tony Lindgren | 99f0b8d | 2012-10-17 11:07:18 -0700 | [diff] [blame] | 32 | #include "common.h" |
Tony Lindgren | ca5742b | 2009-12-11 16:16:32 -0800 | [diff] [blame] | 33 | #include "mux.h" |
Tony Lindgren | 99f0b8d | 2012-10-17 11:07:18 -0700 | [diff] [blame] | 34 | #include "gpmc.h" |
Kalle Jokiniemi | 5a1b1d3 | 2009-10-29 10:30:20 +0200 | [diff] [blame] | 35 | #include "pm.h" |
Pali Rohár | 4748a72 | 2013-09-18 21:43:56 +0200 | [diff] [blame] | 36 | #include "soc.h" |
Aaro Koskinen | fcd8d846 | 2010-12-17 15:13:44 -0800 | [diff] [blame] | 37 | #include "sdram-nokia.h" |
Pali Rohár | 4748a72 | 2013-09-18 21:43:56 +0200 | [diff] [blame] | 38 | #include "omap-secure.h" |
Tony Lindgren | ca5742b | 2009-12-11 16:16:32 -0800 | [diff] [blame] | 39 | |
Kevin Hilman | a4b41d8 | 2009-10-02 08:17:56 -0700 | [diff] [blame] | 40 | #define RX51_GPIO_SLEEP_IND 162 |
Lauri Leukkunen | ffe7f95 | 2009-03-23 18:38:17 -0700 | [diff] [blame] | 41 | |
Kevin Hilman | a4b41d8 | 2009-10-02 08:17:56 -0700 | [diff] [blame] | 42 | static struct gpio_led gpio_leds[] = { |
| 43 | { |
| 44 | .name = "sleep_ind", |
| 45 | .gpio = RX51_GPIO_SLEEP_IND, |
| 46 | }, |
| 47 | }; |
| 48 | |
| 49 | static struct gpio_led_platform_data gpio_led_info = { |
| 50 | .leds = gpio_leds, |
| 51 | .num_leds = ARRAY_SIZE(gpio_leds), |
| 52 | }; |
| 53 | |
| 54 | static struct platform_device leds_gpio = { |
| 55 | .name = "leds-gpio", |
| 56 | .id = -1, |
| 57 | .dev = { |
| 58 | .platform_data = &gpio_led_info, |
| 59 | }, |
| 60 | }; |
| 61 | |
Jean Pihet | 866ba0e | 2011-05-09 12:02:13 +0200 | [diff] [blame] | 62 | /* |
Daniel Lezcano | 231900a | 2012-04-24 16:05:29 +0200 | [diff] [blame] | 63 | * cpuidle C-states definition for rx51. |
| 64 | * |
| 65 | * The 'exit_latency' field is the sum of sleep |
| 66 | * and wake-up latencies. |
| 67 | |
| 68 | --------------------------------------------- |
| 69 | | state | exit_latency | target_residency | |
| 70 | --------------------------------------------- |
| 71 | | C1 | 110 + 162 | 5 | |
| 72 | | C2 | 106 + 180 | 309 | |
| 73 | | C3 | 107 + 410 | 46057 | |
| 74 | | C4 | 121 + 3374 | 46057 | |
| 75 | | C5 | 855 + 1146 | 46057 | |
| 76 | | C6 | 7580 + 4134 | 484329 | |
| 77 | | C7 | 7505 + 15274 | 484329 | |
| 78 | --------------------------------------------- |
| 79 | |
| 80 | */ |
Kalle Jokiniemi | 5a1b1d3 | 2009-10-29 10:30:20 +0200 | [diff] [blame] | 81 | |
Lauri Leukkunen | ffe7f95 | 2009-03-23 18:38:17 -0700 | [diff] [blame] | 82 | extern void __init rx51_peripherals_init(void); |
| 83 | |
Tony Lindgren | ca5742b | 2009-12-11 16:16:32 -0800 | [diff] [blame] | 84 | #ifdef CONFIG_OMAP_MUX |
| 85 | static struct omap_board_mux board_mux[] __initdata = { |
| 86 | { .reg_offset = OMAP_MUX_TERMINATOR }, |
| 87 | }; |
Tony Lindgren | ca5742b | 2009-12-11 16:16:32 -0800 | [diff] [blame] | 88 | #endif |
| 89 | |
Maulik Mankad | 884b8369 | 2010-02-17 14:09:30 -0800 | [diff] [blame] | 90 | static struct omap_musb_board_data musb_board_data = { |
| 91 | .interface_type = MUSB_INTERFACE_ULPI, |
Aaro Koskinen | cc05fcc | 2013-08-06 20:06:16 +0300 | [diff] [blame] | 92 | .mode = MUSB_OTG, |
Maulik Mankad | 884b8369 | 2010-02-17 14:09:30 -0800 | [diff] [blame] | 93 | .power = 0, |
| 94 | }; |
| 95 | |
Lauri Leukkunen | ffe7f95 | 2009-03-23 18:38:17 -0700 | [diff] [blame] | 96 | static void __init rx51_init(void) |
| 97 | { |
Tony Lindgren | a4ca9db | 2011-08-22 23:57:23 -0700 | [diff] [blame] | 98 | struct omap_sdrc_params *sdrc_params; |
| 99 | |
Tony Lindgren | ca5742b | 2009-12-11 16:16:32 -0800 | [diff] [blame] | 100 | omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); |
Lauri Leukkunen | ffe7f95 | 2009-03-23 18:38:17 -0700 | [diff] [blame] | 101 | omap_serial_init(); |
Tony Lindgren | a4ca9db | 2011-08-22 23:57:23 -0700 | [diff] [blame] | 102 | |
| 103 | sdrc_params = nokia_get_sdram_timings(); |
| 104 | omap_sdrc_init(sdrc_params, sdrc_params); |
| 105 | |
Aaro Koskinen | b0ad099 | 2013-03-05 13:09:40 +0200 | [diff] [blame] | 106 | usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb"); |
Maulik Mankad | 884b8369 | 2010-02-17 14:09:30 -0800 | [diff] [blame] | 107 | usb_musb_init(&musb_board_data); |
Lauri Leukkunen | ffe7f95 | 2009-03-23 18:38:17 -0700 | [diff] [blame] | 108 | rx51_peripherals_init(); |
Jean Pihet | 9fb9741 | 2009-07-24 19:43:25 -0600 | [diff] [blame] | 109 | |
Pali Rohár | 4748a72 | 2013-09-18 21:43:56 +0200 | [diff] [blame] | 110 | if (omap_type() == OMAP2_DEVICE_TYPE_SEC) { |
| 111 | #ifdef CONFIG_ARM_ERRATA_430973 |
| 112 | pr_info("RX-51: Enabling ARM errata 430973 workaround\n"); |
| 113 | /* set IBE to 1 */ |
| 114 | rx51_secure_update_aux_cr(BIT(6), 0); |
| 115 | #endif |
| 116 | } |
| 117 | |
Jean Pihet | 9fb9741 | 2009-07-24 19:43:25 -0600 | [diff] [blame] | 118 | /* Ensure SDRC pins are mux'd for self-refresh */ |
Tony Lindgren | 4896e39 | 2009-12-11 16:16:32 -0800 | [diff] [blame] | 119 | omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT); |
| 120 | omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT); |
Kevin Hilman | a4b41d8 | 2009-10-02 08:17:56 -0700 | [diff] [blame] | 121 | |
| 122 | platform_device_register(&leds_gpio); |
Lauri Leukkunen | ffe7f95 | 2009-03-23 18:38:17 -0700 | [diff] [blame] | 123 | } |
| 124 | |
Felipe Contreras | 26a064d | 2011-04-26 02:45:28 -0700 | [diff] [blame] | 125 | static void __init rx51_reserve(void) |
| 126 | { |
Felipe Contreras | 26a064d | 2011-04-26 02:45:28 -0700 | [diff] [blame] | 127 | omap_reserve(); |
| 128 | } |
| 129 | |
Lauri Leukkunen | ffe7f95 | 2009-03-23 18:38:17 -0700 | [diff] [blame] | 130 | MACHINE_START(NOKIA_RX51, "Nokia RX-51 board") |
| 131 | /* Maintainer: Lauri Leukkunen <lauri.leukkunen@nokia.com> */ |
Nicolas Pitre | 5e52b43 | 2011-07-05 22:38:15 -0400 | [diff] [blame] | 132 | .atag_offset = 0x100, |
Felipe Contreras | 26a064d | 2011-04-26 02:45:28 -0700 | [diff] [blame] | 133 | .reserve = rx51_reserve, |
Tony Lindgren | e990a40 | 2011-09-26 14:52:55 -0700 | [diff] [blame] | 134 | .map_io = omap3_map_io, |
Tony Lindgren | 8f5b5a4 | 2011-08-22 23:57:24 -0700 | [diff] [blame] | 135 | .init_early = omap3430_init_early, |
Tony Lindgren | 741e3a8 | 2011-05-17 03:51:26 -0700 | [diff] [blame] | 136 | .init_irq = omap3_init_irq, |
Lauri Leukkunen | ffe7f95 | 2009-03-23 18:38:17 -0700 | [diff] [blame] | 137 | .init_machine = rx51_init, |
Shawn Guo | bbd707a | 2012-04-26 16:06:50 +0800 | [diff] [blame] | 138 | .init_late = omap3430_init_late, |
Stephen Warren | 6bb27d7 | 2012-11-08 12:40:59 -0700 | [diff] [blame] | 139 | .init_time = omap3_sync32k_timer_init, |
Paul Walmsley | 187e3e0 | 2012-10-29 20:56:12 -0600 | [diff] [blame] | 140 | .restart = omap3xxx_restart, |
Lauri Leukkunen | ffe7f95 | 2009-03-23 18:38:17 -0700 | [diff] [blame] | 141 | MACHINE_END |