1 files changed, 333 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/devices.c b/arch/arm/mach-omap1/devices.c
new file mode 100644
index 00000000..36f26c3f
--- /dev/null
+++ b/arch/arm/mach-omap1/devices.c
@@ -0,0 +1,333 @@
+/*
+ * 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/dma-mapping.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/spi/spi.h>
+
+#include <mach/camera.h>
+#include <mach/hardware.h>
+#include <asm/mach/map.h>
+
+#include <plat/tc.h>
+#include <plat/board.h>
+#include <plat/mux.h>
+#include <mach/gpio.h>
+#include <plat/mmc.h>
+#include <plat/omap7xx.h>
+#include <plat/mcbsp.h>
+
+/*-------------------------------------------------------------------------*/
+
+#if defined(CONFIG_RTC_DRV_OMAP) || defined(CONFIG_RTC_DRV_OMAP_MODULE)
+
+#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
+
+static inline void omap_init_mbox(void) { }
+
+/*-------------------------------------------------------------------------*/
+
+#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
+
+static inline void omap1_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
+			int controller_nr)
+{
+	if (controller_nr == 0) {
+		if (cpu_is_omap7xx()) {
+			omap_cfg_reg(MMC_7XX_CMD);
+			omap_cfg_reg(MMC_7XX_CLK);
+			omap_cfg_reg(MMC_7XX_DAT0);
+		} else {
+			omap_cfg_reg(MMC_CMD);
+			omap_cfg_reg(MMC_CLK);
+			omap_cfg_reg(MMC_DAT0);
+		}
+
+		if (cpu_is_omap1710()) {
+			omap_cfg_reg(M15_1710_MMC_CLKI);
+			omap_cfg_reg(P19_1710_MMC_CMDDIR);
+			omap_cfg_reg(P20_1710_MMC_DATDIR0);
+		}
+		if (mmc_controller->slots[0].wires == 4 && !cpu_is_omap7xx()) {
+			omap_cfg_reg(MMC_DAT1);
+			/* NOTE: DAT2 can be on W10 (here) or M15 */
+			if (!mmc_controller->slots[0].nomux)
+				omap_cfg_reg(MMC_DAT2);
+			omap_cfg_reg(MMC_DAT3);
+		}
+	}
+
+	/* Block 2 is on newer chips, and has many pinout options */
+	if (cpu_is_omap16xx() && controller_nr == 1) {
+		if (!mmc_controller->slots[1].nomux) {
+			omap_cfg_reg(Y8_1610_MMC2_CMD);
+			omap_cfg_reg(Y10_1610_MMC2_CLK);
+			omap_cfg_reg(R18_1610_MMC2_CLKIN);
+			omap_cfg_reg(W8_1610_MMC2_DAT0);
+			if (mmc_controller->slots[1].wires == 4) {
+				omap_cfg_reg(V8_1610_MMC2_DAT1);
+				omap_cfg_reg(W15_1610_MMC2_DAT2);
+				omap_cfg_reg(R10_1610_MMC2_DAT3);
+			}
+
+			/* These are needed for the level shifter */
+			omap_cfg_reg(V9_1610_MMC2_CMDDIR);
+			omap_cfg_reg(V5_1610_MMC2_DATDIR0);
+			omap_cfg_reg(W19_1610_MMC2_DATDIR1);
+		}
+
+		/* Feedback clock must be set on OMAP-1710 MMC2 */
+		if (cpu_is_omap1710())
+			omap_writel(omap_readl(MOD_CONF_CTRL_1) | (1 << 24),
+					MOD_CONF_CTRL_1);
+	}
+}
+
+void __init omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
+			int nr_controllers)
+{
+	int i;
+
+	for (i = 0; i < nr_controllers; i++) {
+		unsigned long base, size;
+		unsigned int irq = 0;
+
+		if (!mmc_data[i])
+			continue;
+
+		omap1_mmc_mux(mmc_data[i], i);
+
+		switch (i) {
+		case 0:
+			base = OMAP1_MMC1_BASE;
+			irq = INT_MMC;
+			break;
+		case 1:
+			if (!cpu_is_omap16xx())
+				return;
+			base = OMAP1_MMC2_BASE;
+			irq = INT_1610_MMC2;
+			break;
+		default:
+			continue;
+		}
+		size = OMAP1_MMC_SIZE;
+
+		omap_mmc_add("mmci-omap", i, base, size, irq, mmc_data[i]);
+	};
+}
+
+#endif
+
+/*-------------------------------------------------------------------------*/
+
+/* OMAP7xx SPI support */
+#if defined(CONFIG_SPI_OMAP_100K) || defined(CONFIG_SPI_OMAP_100K_MODULE)
+
+struct platform_device omap_spi1 = {
+	.name           = "omap1_spi100k",
+	.id             = 1,
+};
+
+struct platform_device omap_spi2 = {
+	.name           = "omap1_spi100k",
+	.id             = 2,
+};
+
+static void omap_init_spi100k(void)
+{
+	omap_spi1.dev.platform_data = ioremap(OMAP7XX_SPI1_BASE, 0x7ff);
+	if (omap_spi1.dev.platform_data)
+		platform_device_register(&omap_spi1);
+
+	omap_spi2.dev.platform_data = ioremap(OMAP7XX_SPI2_BASE, 0x7ff);
+	if (omap_spi2.dev.platform_data)
+		platform_device_register(&omap_spi2);
+}
+
+#else
+static inline void omap_init_spi100k(void)
+{
+}
+#endif
+
+
+#define OMAP1_CAMERA_BASE	0xfffb6800
+#define OMAP1_CAMERA_IOSIZE	0x1c
+
+static struct resource omap1_camera_resources[] = {
+	[0] = {
+		.start	= OMAP1_CAMERA_BASE,
+		.end	= OMAP1_CAMERA_BASE + OMAP1_CAMERA_IOSIZE - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= INT_CAMERA,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static u64 omap1_camera_dma_mask = DMA_BIT_MASK(32);
+
+static struct platform_device omap1_camera_device = {
+	.name		= "omap1-camera",
+	.id		= 0, /* This is used to put cameras on this interface */
+	.dev		= {
+		.dma_mask		= &omap1_camera_dma_mask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+	},
+	.num_resources	= ARRAY_SIZE(omap1_camera_resources),
+	.resource	= omap1_camera_resources,
+};
+
+void __init omap1_camera_init(void *info)
+{
+	struct platform_device *dev = &omap1_camera_device;
+	int ret;
+
+	dev->dev.platform_data = info;
+
+	ret = platform_device_register(dev);
+	if (ret)
+		dev_err(&dev->dev, "unable to register device: %d\n", ret);
+}
+
+
+/*-------------------------------------------------------------------------*/
+
+static inline void omap_init_sti(void) {}
+
+#if defined(CONFIG_SND_SOC) || defined(CONFIG_SND_SOC_MODULE)
+
+static struct platform_device omap_pcm = {
+	.name	= "omap-pcm-audio",
+	.id	= -1,
+};
+
+OMAP_MCBSP_PLATFORM_DEVICE(1);
+OMAP_MCBSP_PLATFORM_DEVICE(2);
+OMAP_MCBSP_PLATFORM_DEVICE(3);
+
+static void omap_init_audio(void)
+{
+	platform_device_register(&omap_mcbsp1);
+	platform_device_register(&omap_mcbsp2);
+	if (!cpu_is_omap7xx())
+		platform_device_register(&omap_mcbsp3);
+	platform_device_register(&omap_pcm);
+}
+
+#else
+static inline void omap_init_audio(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 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 omap1_init_devices(void)
+{
+	if (!cpu_class_is_omap1())
+		return -ENODEV;
+
+	/* please keep these calls, and their implementations above,
+	 * in alphabetical order so they're easier to sort through.
+	 */
+
+	omap_init_mbox();
+	omap_init_rtc();
+	omap_init_spi100k();
+	omap_init_sti();
+	omap_init_audio();
+
+	return 0;
+}
+arch_initcall(omap1_init_devices);
+
+#if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE)
+
+static struct resource wdt_resources[] = {
+	{
+		.start		= 0xfffeb000,
+		.end		= 0xfffeb07F,
+		.flags		= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device omap_wdt_device = {
+	.name	   = "omap_wdt",
+	.id	     = -1,
+	.num_resources	= ARRAY_SIZE(wdt_resources),
+	.resource	= wdt_resources,
+};
+
+static int __init omap_init_wdt(void)
+{
+	if (!cpu_is_omap16xx())
+		return -ENODEV;
+
+	return platform_device_register(&omap_wdt_device);
+}
+subsys_initcall(omap_init_wdt);
+#endif