This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / arch / arm / mach-omap1 / devices.c

diff --git a/arch/arm/mach-omap1/devices.c b/arch/arm/mach-omap1/devices.c
new file mode 100644 (file)
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+++ b/arch/arm/mach-omap1/devices.c
@@ -0,0 +1,165 @@
+/*
+ * linux/arch/arm/mach-omap1/devices.c
+ *
+ * OMAP1 platform device setup/initialization
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/mach-types.h>
+#include <asm/mach/map.h>
+
+#include <asm/arch/tc.h>
+#include <asm/arch/board.h>
+#include <asm/arch/mux.h>
+#include <asm/arch/gpio.h>
+
+#if    defined(CONFIG_OMAP1610_IR) || defined(CONFIG_OMAP161O_IR_MODULE)
+
+static u64 irda_dmamask = 0xffffffff;
+
+static struct platform_device omap1610ir_device = {
+       .name = "omap1610-ir",
+       .id = -1,
+       .dev = {
+               .dma_mask       = &irda_dmamask,
+       },
+};
+
+static void omap_init_irda(void)
+{
+       /* FIXME define and use a boot tag, members something like:
+        *  u8          uart;           // uart1, or uart3
+        * ... but driver only handles uart3 for now
+        *  s16         fir_sel;        // gpio for SIR vs FIR
+        * ... may prefer a callback for SIR/MIR/FIR mode select;
+        * while h2 uses a GPIO, H3 uses a gpio expander
+        */
+       if (machine_is_omap_h2()
+                       || machine_is_omap_h3())
+               (void) platform_device_register(&omap1610ir_device);
+}
+#else
+static inline void omap_init_irda(void) {}
+#endif
+
+/*-------------------------------------------------------------------------*/
+
+#if    defined(CONFIG_OMAP_RTC) || defined(CONFIG_OMAP_RTC)
+
+#define        OMAP_RTC_BASE           0xfffb4800
+
+static struct resource rtc_resources[] = {
+       {
+               .start          = OMAP_RTC_BASE,
+               .end            = OMAP_RTC_BASE + 0x5f,
+               .flags          = IORESOURCE_MEM,
+       },
+       {
+               .start          = INT_RTC_TIMER,
+               .flags          = IORESOURCE_IRQ,
+       },
+       {
+               .start          = INT_RTC_ALARM,
+               .flags          = IORESOURCE_IRQ,
+       },
+};
+
+static struct platform_device omap_rtc_device = {
+       .name           = "omap_rtc",
+       .id             = -1,
+       .num_resources  = ARRAY_SIZE(rtc_resources),
+       .resource       = rtc_resources,
+};
+
+static void omap_init_rtc(void)
+{
+       (void) platform_device_register(&omap_rtc_device);
+}
+#else
+static inline void omap_init_rtc(void) {}
+#endif
+
+#if defined(CONFIG_OMAP_STI)
+
+#define OMAP1_STI_BASE         IO_ADDRESS(0xfffea000)
+#define OMAP1_STI_CHANNEL_BASE (OMAP1_STI_BASE + 0x400)
+
+static struct resource sti_resources[] = {
+       {
+               .start          = OMAP1_STI_BASE,
+               .end            = OMAP1_STI_BASE + SZ_1K - 1,
+               .flags          = IORESOURCE_MEM,
+       },
+       {
+               .start          = OMAP1_STI_CHANNEL_BASE,
+               .end            = OMAP1_STI_CHANNEL_BASE + SZ_1K - 1,
+               .flags          = IORESOURCE_MEM,
+       },
+       {
+               .start          = INT_1610_STI,
+               .flags          = IORESOURCE_IRQ,
+       }
+};
+
+static struct platform_device sti_device = {
+       .name           = "sti",
+       .id             = -1,
+       .num_resources  = ARRAY_SIZE(sti_resources),
+       .resource       = sti_resources,
+};
+
+static inline void omap_init_sti(void)
+{
+       platform_device_register(&sti_device);
+}
+#else
+static inline void omap_init_sti(void) {}
+#endif
+
+/*-------------------------------------------------------------------------*/
+
+/*
+ * This gets called after board-specific INIT_MACHINE, and initializes most
+ * on-chip peripherals accessible on this board (except for few like USB):
+ *
+ *  (a) Does any "standard config" pin muxing needed.  Board-specific
+ *     code will have muxed GPIO pins and done "nonstandard" setup;
+ *     that code could live in the boot loader.
+ *  (b) Populating board-specific platform_data with the data drivers
+ *     rely on to handle wiring variations.
+ *  (c) Creating platform devices as meaningful on this board and
+ *     with this kernel configuration.
+ *
+ * Claiming GPIOs, and setting their direction and initial values, is the
+ * responsibility of the device drivers.  So is responding to probe().
+ *
+ * Board-specific knowlege like creating devices or pin setup is to be
+ * kept out of drivers as much as possible.  In particular, pin setup
+ * may be handled by the boot loader, and drivers should expect it will
+ * normally have been done by the time they're probed.
+ */
+static int __init omap1_init_devices(void)
+{
+       /* please keep these calls, and their implementations above,
+        * in alphabetical order so they're easier to sort through.
+        */
+       omap_init_irda();
+       omap_init_rtc();
+       omap_init_sti();
+
+       return 0;
+}
+arch_initcall(omap1_init_devices);
+