2 * linux/arch/arm/mach-omap1/devices.c
4 * OMAP1 platform device setup/initialization
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
12 #include <linux/module.h>
13 #include <linux/kernel.h>
14 #include <linux/init.h>
15 #include <linux/platform_device.h>
17 #include <asm/hardware.h>
19 #include <asm/mach-types.h>
20 #include <asm/mach/map.h>
22 #include <asm/arch/tc.h>
23 #include <asm/arch/board.h>
24 #include <asm/arch/mux.h>
25 #include <asm/arch/gpio.h>
27 /*-------------------------------------------------------------------------*/
29 #if defined(CONFIG_OMAP_RTC) || defined(CONFIG_OMAP_RTC)
31 #define OMAP_RTC_BASE 0xfffb4800
33 static struct resource rtc_resources[] = {
35 .start = OMAP_RTC_BASE,
36 .end = OMAP_RTC_BASE + 0x5f,
37 .flags = IORESOURCE_MEM,
40 .start = INT_RTC_TIMER,
41 .flags = IORESOURCE_IRQ,
44 .start = INT_RTC_ALARM,
45 .flags = IORESOURCE_IRQ,
49 static struct platform_device omap_rtc_device = {
52 .num_resources = ARRAY_SIZE(rtc_resources),
53 .resource = rtc_resources,
56 static void omap_init_rtc(void)
58 (void) platform_device_register(&omap_rtc_device);
61 static inline void omap_init_rtc(void) {}
64 #if defined(CONFIG_OMAP_STI)
66 #define OMAP1_STI_BASE IO_ADDRESS(0xfffea000)
67 #define OMAP1_STI_CHANNEL_BASE (OMAP1_STI_BASE + 0x400)
69 static struct resource sti_resources[] = {
71 .start = OMAP1_STI_BASE,
72 .end = OMAP1_STI_BASE + SZ_1K - 1,
73 .flags = IORESOURCE_MEM,
76 .start = OMAP1_STI_CHANNEL_BASE,
77 .end = OMAP1_STI_CHANNEL_BASE + SZ_1K - 1,
78 .flags = IORESOURCE_MEM,
81 .start = INT_1610_STI,
82 .flags = IORESOURCE_IRQ,
86 static struct platform_device sti_device = {
89 .num_resources = ARRAY_SIZE(sti_resources),
90 .resource = sti_resources,
93 static inline void omap_init_sti(void)
95 platform_device_register(&sti_device);
98 static inline void omap_init_sti(void) {}
101 /*-------------------------------------------------------------------------*/
104 * This gets called after board-specific INIT_MACHINE, and initializes most
105 * on-chip peripherals accessible on this board (except for few like USB):
107 * (a) Does any "standard config" pin muxing needed. Board-specific
108 * code will have muxed GPIO pins and done "nonstandard" setup;
109 * that code could live in the boot loader.
110 * (b) Populating board-specific platform_data with the data drivers
111 * rely on to handle wiring variations.
112 * (c) Creating platform devices as meaningful on this board and
113 * with this kernel configuration.
115 * Claiming GPIOs, and setting their direction and initial values, is the
116 * responsibility of the device drivers. So is responding to probe().
118 * Board-specific knowlege like creating devices or pin setup is to be
119 * kept out of drivers as much as possible. In particular, pin setup
120 * may be handled by the boot loader, and drivers should expect it will
121 * normally have been done by the time they're probed.
123 static int __init omap1_init_devices(void)
125 /* please keep these calls, and their implementations above,
126 * in alphabetical order so they're easier to sort through.
133 arch_initcall(omap1_init_devices);