Commit | Line | Data |
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ffe7f95b | 1 | /* |
cc067797 | 2 | * Board support file for Nokia N900 (aka RX-51). |
ffe7f95b LL |
3 | * |
4 | * Copyright (C) 2007, 2008 Nokia | |
4748a724 PR |
5 | * Copyright (C) 2012 Ivaylo Dimitrov <freemangordon@abv.bg> |
6 | * Copyright (C) 2013 Pali Rohár <pali.rohar@gmail.com> | |
ffe7f95b LL |
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> | |
ffe7f95b | 20 | #include <linux/gpio.h> |
a4b41d8e | 21 | #include <linux/leds.h> |
b0ad0995 | 22 | #include <linux/usb/phy.h> |
e8c4a7ac | 23 | #include <linux/usb/musb.h> |
2203747c | 24 | #include <linux/platform_data/spi-omap2-mcspi.h> |
ffe7f95b | 25 | |
ffe7f95b LL |
26 | #include <asm/mach-types.h> |
27 | #include <asm/mach/arch.h> | |
28 | #include <asm/mach/map.h> | |
29 | ||
45c3eb7d | 30 | #include <linux/omap-dma.h> |
ffe7f95b | 31 | |
99f0b8d6 | 32 | #include "common.h" |
ca5742bd | 33 | #include "mux.h" |
99f0b8d6 | 34 | #include "gpmc.h" |
5a1b1d3a | 35 | #include "pm.h" |
4748a724 | 36 | #include "soc.h" |
fcd8d846 | 37 | #include "sdram-nokia.h" |
4748a724 | 38 | #include "omap-secure.h" |
ca5742bd | 39 | |
a4b41d8e | 40 | #define RX51_GPIO_SLEEP_IND 162 |
ca5742bd | 41 | |
a4b41d8e KH |
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 | ||
866ba0ef | 62 | /* |
231900af DL |
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 | */ | |
5a1b1d3a | 81 | |
ffe7f95b LL |
82 | extern void __init rx51_peripherals_init(void); |
83 | ||
ca5742bd TL |
84 | #ifdef CONFIG_OMAP_MUX |
85 | static struct omap_board_mux board_mux[] __initdata = { | |
86 | { .reg_offset = OMAP_MUX_TERMINATOR }, | |
87 | }; | |
ca5742bd TL |
88 | #endif |
89 | ||
884b8369 MM |
90 | static struct omap_musb_board_data musb_board_data = { |
91 | .interface_type = MUSB_INTERFACE_ULPI, | |
cc05fcc4 | 92 | .mode = MUSB_OTG, |
884b8369 MM |
93 | .power = 0, |
94 | }; | |
95 | ||
ffe7f95b LL |
96 | static void __init rx51_init(void) |
97 | { | |
a4ca9dbe TL |
98 | struct omap_sdrc_params *sdrc_params; |
99 | ||
ca5742bd | 100 | omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); |
ffe7f95b | 101 | omap_serial_init(); |
a4ca9dbe TL |
102 | |
103 | sdrc_params = nokia_get_sdram_timings(); | |
104 | omap_sdrc_init(sdrc_params, sdrc_params); | |
105 | ||
b0ad0995 | 106 | usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb"); |
884b8369 | 107 | usb_musb_init(&musb_board_data); |
ffe7f95b | 108 | rx51_peripherals_init(); |
9fb97412 | 109 | |
4748a724 PR |
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 | ||
9fb97412 | 118 | /* Ensure SDRC pins are mux'd for self-refresh */ |
4896e394 TL |
119 | omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT); |
120 | omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT); | |
a4b41d8e KH |
121 | |
122 | platform_device_register(&leds_gpio); | |
ffe7f95b LL |
123 | } |
124 | ||
26a064d5 FC |
125 | static void __init rx51_reserve(void) |
126 | { | |
26a064d5 FC |
127 | omap_reserve(); |
128 | } | |
129 | ||
ffe7f95b LL |
130 | MACHINE_START(NOKIA_RX51, "Nokia RX-51 board") |
131 | /* Maintainer: Lauri Leukkunen <lauri.leukkunen@nokia.com> */ | |
5e52b435 | 132 | .atag_offset = 0x100, |
26a064d5 | 133 | .reserve = rx51_reserve, |
e990a406 | 134 | .map_io = omap3_map_io, |
8f5b5a41 | 135 | .init_early = omap3430_init_early, |
741e3a89 | 136 | .init_irq = omap3_init_irq, |
ffe7f95b | 137 | .init_machine = rx51_init, |
bbd707ac | 138 | .init_late = omap3430_init_late, |
6f82e25d | 139 | .init_time = omap_init_time, |
187e3e06 | 140 | .restart = omap3xxx_restart, |
ffe7f95b | 141 | MACHINE_END |