Added missing tegra files.HEADmaster

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 00000000000..ea28f98d5d6
--- /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);