kernel-ark/arch/arm/mach-omap2/devices.c
Linus Torvalds a8c4c20dfa Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (44 commits)
  [ARM] 3541/2: workaround for PXA27x erratum E7
  [ARM] nommu: provide a way for correct control register value selection
  [ARM] 3705/1: add supersection support to ioremap()
  [ARM] 3707/1: iwmmxt: use the generic thread notifier infrastructure
  [ARM] 3706/2: ep93xx: add cirrus logic edb9315a support
  [ARM] 3704/1: format IOP Kconfig with tabs, create more consistency
  [ARM] 3703/1: Add help description for ARCH_EP80219
  [ARM] 3678/1: MMC: Make OMAP MMC work
  [ARM] 3677/1: OMAP: Update H2 defconfig
  [ARM] 3676/1: ARM: OMAP: Fix dmtimers and timer32k to compile on OMAP1
  [ARM] Add section support to ioremap
  [ARM] Fix sa11x0 SDRAM selection
  [ARM] Set bit 4 on section mappings correctly depending on CPU
  [ARM] 3666/1: TRIZEPS4 [1/5] core
  ARM: OMAP: Multiplexing for 24xx GPMC wait pin monitoring
  ARM: OMAP: Fix SRAM to use MT_MEMORY instead of MT_DEVICE
  ARM: OMAP: Update dmtimers
  ARM: OMAP: Make clock variables static
  ARM: OMAP: Fix GPMC compilation when DEBUG is defined
  ARM: OMAP: Mux updates for external DMA and GPIO
  ...
2006-07-02 15:04:12 -07:00

167 lines
3.5 KiB
C

/*
* linux/arch/arm/mach-omap2/devices.c
*
* OMAP2 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/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_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
#define OMAP2_I2C_BASE2 0x48072000
#define OMAP2_I2C_INT2 57
static struct resource i2c_resources2[] = {
{
.start = OMAP2_I2C_BASE2,
.end = OMAP2_I2C_BASE2 + 0x3f,
.flags = IORESOURCE_MEM,
},
{
.start = OMAP2_I2C_INT2,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device omap_i2c_device2 = {
.name = "i2c_omap",
.id = 2,
.num_resources = ARRAY_SIZE(i2c_resources2),
.resource = i2c_resources2,
};
/* See also arch/arm/plat-omap/devices.c for first I2C on 24xx */
static void omap_init_i2c(void)
{
/* REVISIT: Second I2C not in use on H4? */
if (machine_is_omap_h4())
return;
omap_cfg_reg(J15_24XX_I2C2_SCL);
omap_cfg_reg(H19_24XX_I2C2_SDA);
(void) platform_device_register(&omap_i2c_device2);
}
#else
static void omap_init_i2c(void) {}
#endif
#if defined(CONFIG_OMAP_STI)
#define OMAP2_STI_BASE IO_ADDRESS(0x48068000)
#define OMAP2_STI_CHANNEL_BASE 0x54000000
#define OMAP2_STI_IRQ 4
static struct resource sti_resources[] = {
{
.start = OMAP2_STI_BASE,
.end = OMAP2_STI_BASE + 0x7ff,
.flags = IORESOURCE_MEM,
},
{
.start = OMAP2_STI_CHANNEL_BASE,
.end = OMAP2_STI_CHANNEL_BASE + SZ_64K - 1,
.flags = IORESOURCE_MEM,
},
{
.start = OMAP2_STI_IRQ,
.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
#if defined(CONFIG_SPI_OMAP24XX)
#include <asm/arch/mcspi.h>
#define OMAP2_MCSPI1_BASE 0x48098000
#define OMAP2_MCSPI2_BASE 0x4809a000
/* FIXME: use resources instead */
static struct omap2_mcspi_platform_config omap2_mcspi1_config = {
.base = io_p2v(OMAP2_MCSPI1_BASE),
.num_cs = 4,
};
struct platform_device omap2_mcspi1 = {
.name = "omap2_mcspi",
.id = 1,
.dev = {
.platform_data = &omap2_mcspi1_config,
},
};
static struct omap2_mcspi_platform_config omap2_mcspi2_config = {
.base = io_p2v(OMAP2_MCSPI2_BASE),
.num_cs = 2,
};
struct platform_device omap2_mcspi2 = {
.name = "omap2_mcspi",
.id = 2,
.dev = {
.platform_data = &omap2_mcspi2_config,
},
};
static void omap_init_mcspi(void)
{
platform_device_register(&omap2_mcspi1);
platform_device_register(&omap2_mcspi2);
}
#else
static inline void omap_init_mcspi(void) {}
#endif
/*-------------------------------------------------------------------------*/
static int __init omap2_init_devices(void)
{
/* please keep these calls, and their implementations above,
* in alphabetical order so they're easier to sort through.
*/
omap_init_i2c();
omap_init_mcspi();
omap_init_sti();
return 0;
}
arch_initcall(omap2_init_devices);