1 files changed, 298 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c
new file mode 100644
index 00000000..ea28f98d
--- /dev/null
+++ b/arch/arm/plat-omap/devices.c
@@ -0,0 +1,298 @@
+/*
+ * linux/arch/arm/plat-omap/devices.c
+ *
+ * Common platform device setup/initialization for OMAP1 and OMAP2
+ *
+ * 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 <linux/io.h>
+#include <linux/slab.h>
+#include <linux/memblock.h>
+
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/map.h>
+
+#include <plat/tc.h>
+#include <plat/board.h>
+#include <plat/mmc.h>
+#include <mach/gpio.h>
+#include <plat/menelaus.h>
+#include <plat/mcbsp.h>
+#include <plat/omap44xx.h>
+
+/*-------------------------------------------------------------------------*/
+
+#if defined(CONFIG_OMAP_MCBSP) || defined(CONFIG_OMAP_MCBSP_MODULE)
+
+static struct platform_device **omap_mcbsp_devices;
+
+void omap_mcbsp_register_board_cfg(struct resource *res, int res_count,
+			struct omap_mcbsp_platform_data *config, int size)
+{
+	int i;
+
+	omap_mcbsp_devices = kzalloc(size * sizeof(struct platform_device *),
+				     GFP_KERNEL);
+	if (!omap_mcbsp_devices) {
+		printk(KERN_ERR "Could not register McBSP devices\n");
+		return;
+	}
+
+	for (i = 0; i < size; i++) {
+		struct platform_device *new_mcbsp;
+		int ret;
+
+		new_mcbsp = platform_device_alloc("omap-mcbsp", i + 1);
+		if (!new_mcbsp)
+			continue;
+		platform_device_add_resources(new_mcbsp, &res[i * res_count],
+					res_count);
+		new_mcbsp->dev.platform_data = &config[i];
+		ret = platform_device_add(new_mcbsp);
+		if (ret) {
+			platform_device_put(new_mcbsp);
+			continue;
+		}
+		omap_mcbsp_devices[i] = new_mcbsp;
+	}
+}
+
+#else
+void omap_mcbsp_register_board_cfg(struct resource *res, int res_count,
+			struct omap_mcbsp_platform_data *config, int size)
+{  }
+#endif
+
+/*-------------------------------------------------------------------------*/
+
+#if defined(CONFIG_SND_OMAP_SOC_MCPDM) || \
+		defined(CONFIG_SND_OMAP_SOC_MCPDM_MODULE)
+
+static struct resource mcpdm_resources[] = {
+	{
+		.name		= "mcpdm_mem",
+		.start		= OMAP44XX_MCPDM_BASE,
+		.end		= OMAP44XX_MCPDM_BASE + SZ_4K,
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		.name		= "mcpdm_irq",
+		.start		= OMAP44XX_IRQ_MCPDM,
+		.end		= OMAP44XX_IRQ_MCPDM,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device omap_mcpdm_device = {
+	.name		= "omap-mcpdm",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(mcpdm_resources),
+	.resource	= mcpdm_resources,
+};
+
+static void omap_init_mcpdm(void)
+{
+	(void) platform_device_register(&omap_mcpdm_device);
+}
+#else
+static inline void omap_init_mcpdm(void) {}
+#endif
+
+/*-------------------------------------------------------------------------*/
+
+#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \
+	defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
+
+#define OMAP_MMC_NR_RES		2
+
+/*
+ * Register MMC devices. Called from mach-omap1 and mach-omap2 device init.
+ */
+int __init omap_mmc_add(const char *name, int id, unsigned long base,
+				unsigned long size, unsigned int irq,
+				struct omap_mmc_platform_data *data)
+{
+	struct platform_device *pdev;
+	struct resource res[OMAP_MMC_NR_RES];
+	int ret;
+
+	pdev = platform_device_alloc(name, id);
+	if (!pdev)
+		return -ENOMEM;
+
+	memset(res, 0, OMAP_MMC_NR_RES * sizeof(struct resource));
+	res[0].start = base;
+	res[0].end = base + size - 1;
+	res[0].flags = IORESOURCE_MEM;
+	res[1].start = res[1].end = irq;
+	res[1].flags = IORESOURCE_IRQ;
+
+	ret = platform_device_add_resources(pdev, res, ARRAY_SIZE(res));
+	if (ret == 0)
+		ret = platform_device_add_data(pdev, data, sizeof(*data));
+	if (ret)
+		goto fail;
+
+	ret = platform_device_add(pdev);
+	if (ret)
+		goto fail;
+
+	/* return device handle to board setup code */
+	data->dev = &pdev->dev;
+	return 0;
+
+fail:
+	platform_device_put(pdev);
+	return ret;
+}
+
+#endif
+
+/*-------------------------------------------------------------------------*/
+
+#if defined(CONFIG_HW_RANDOM_OMAP) || defined(CONFIG_HW_RANDOM_OMAP_MODULE)
+
+#ifdef CONFIG_ARCH_OMAP2
+#define	OMAP_RNG_BASE		0x480A0000
+#else
+#define	OMAP_RNG_BASE		0xfffe5000
+#endif
+
+static struct resource rng_resources[] = {
+	{
+		.start		= OMAP_RNG_BASE,
+		.end		= OMAP_RNG_BASE + 0x4f,
+		.flags		= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device omap_rng_device = {
+	.name		= "omap_rng",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(rng_resources),
+	.resource	= rng_resources,
+};
+
+static void omap_init_rng(void)
+{
+	(void) platform_device_register(&omap_rng_device);
+}
+#else
+static inline void omap_init_rng(void) {}
+#endif
+
+/*-------------------------------------------------------------------------*/
+
+/* Numbering for the SPI-capable controllers when used for SPI:
+ * spi		= 1
+ * uwire	= 2
+ * mmc1..2	= 3..4
+ * mcbsp1..3	= 5..7
+ */
+
+#if defined(CONFIG_SPI_OMAP_UWIRE) || defined(CONFIG_SPI_OMAP_UWIRE_MODULE)
+
+#define	OMAP_UWIRE_BASE		0xfffb3000
+
+static struct resource uwire_resources[] = {
+	{
+		.start		= OMAP_UWIRE_BASE,
+		.end		= OMAP_UWIRE_BASE + 0x20,
+		.flags		= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device omap_uwire_device = {
+	.name	   = "omap_uwire",
+	.id	     = -1,
+	.num_resources	= ARRAY_SIZE(uwire_resources),
+	.resource	= uwire_resources,
+};
+
+static void omap_init_uwire(void)
+{
+	/* FIXME define and use a boot tag; not all boards will be hooking
+	 * up devices to the microwire controller, and multi-board configs
+	 * mean that CONFIG_SPI_OMAP_UWIRE may be configured anyway...
+	 */
+
+	/* board-specific code must configure chipselects (only a few
+	 * are normally used) and SCLK/SDI/SDO (each has two choices).
+	 */
+	(void) platform_device_register(&omap_uwire_device);
+}
+#else
+static inline void omap_init_uwire(void) {}
+#endif
+
+#if defined(CONFIG_TIDSPBRIDGE) || defined(CONFIG_TIDSPBRIDGE_MODULE)
+
+static phys_addr_t omap_dsp_phys_mempool_base;
+
+void __init omap_dsp_reserve_sdram_memblock(void)
+{
+	phys_addr_t size = CONFIG_TIDSPBRIDGE_MEMPOOL_SIZE;
+	phys_addr_t paddr;
+
+	if (!size)
+		return;
+
+	paddr = memblock_alloc(size, SZ_1M);
+	if (!paddr) {
+		pr_err("%s: failed to reserve %x bytes\n",
+				__func__, size);
+		return;
+	}
+	memblock_free(paddr, size);
+	memblock_remove(paddr, size);
+
+	omap_dsp_phys_mempool_base = paddr;
+}
+
+phys_addr_t omap_dsp_get_mempool_base(void)
+{
+	return omap_dsp_phys_mempool_base;
+}
+EXPORT_SYMBOL(omap_dsp_get_mempool_base);
+#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 knowledge 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 omap_init_devices(void)
+{
+	/* please keep these calls, and their implementations above,
+	 * in alphabetical order so they're easier to sort through.
+	 */
+	omap_init_rng();
+	omap_init_mcpdm();
+	omap_init_uwire();
+	return 0;
+}
+arch_initcall(omap_init_devices);