1 files changed, 338 insertions, 0 deletions

diff --git a/kernel/arch/arm/mach-omap2/devices.c b/kernel/arch/arm/mach-omap2/devices.c
new file mode 100644
index 000000000..990338fba
--- /dev/null
+++ b/kernel/arch/arm/mach-omap2/devices.c
@@ -0,0 +1,338 @@
+/*
+ * 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/gpio.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/slab.h>
+#include <linux/of.h>
+#include <linux/pinctrl/machine.h>
+#include <linux/platform_data/mailbox-omap.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/map.h>
+
+#include <linux/omap-dma.h>
+
+#include "iomap.h"
+#include "omap_hwmod.h"
+#include "omap_device.h"
+
+#include "soc.h"
+#include "common.h"
+#include "mux.h"
+#include "control.h"
+#include "devices.h"
+#include "display.h"
+
+#define L3_MODULES_MAX_LEN 12
+#define L3_MODULES 3
+
+static int __init omap3_l3_init(void)
+{
+	struct omap_hwmod *oh;
+	struct platform_device *pdev;
+	char oh_name[L3_MODULES_MAX_LEN];
+
+	/*
+	 * To avoid code running on other OMAPs in
+	 * multi-omap builds
+	 */
+	if (!(cpu_is_omap34xx()) || of_have_populated_dt())
+		return -ENODEV;
+
+	snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main");
+
+	oh = omap_hwmod_lookup(oh_name);
+
+	if (!oh)
+		pr_err("could not look up %s\n", oh_name);
+
+	pdev = omap_device_build("omap_l3_smx", 0, oh, NULL, 0);
+
+	WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name);
+
+	return PTR_RET(pdev);
+}
+omap_postcore_initcall(omap3_l3_init);
+
+#if defined(CONFIG_IOMMU_API)
+
+#include <linux/platform_data/iommu-omap.h>
+
+static struct resource omap3isp_resources[] = {
+	{
+		.start		= OMAP3430_ISP_BASE,
+		.end		= OMAP3430_ISP_BASE + 0x12fc,
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		.start		= OMAP3430_ISP_BASE2,
+		.end		= OMAP3430_ISP_BASE2 + 0x0600,
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		.start		= 24 + OMAP_INTC_START,
+		.flags		= IORESOURCE_IRQ,
+	}
+};
+
+static struct platform_device omap3isp_device = {
+	.name		= "omap3isp",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(omap3isp_resources),
+	.resource	= omap3isp_resources,
+};
+
+static struct omap_iommu_arch_data omap3_isp_iommu = {
+	.name = "mmu_isp",
+};
+
+int omap3_init_camera(struct isp_platform_data *pdata)
+{
+	if (of_have_populated_dt())
+		omap3_isp_iommu.name = "480bd400.mmu";
+
+	omap3isp_device.dev.platform_data = pdata;
+	omap3isp_device.dev.archdata.iommu = &omap3_isp_iommu;
+
+	return platform_device_register(&omap3isp_device);
+}
+
+#else /* !CONFIG_IOMMU_API */
+
+int omap3_init_camera(struct isp_platform_data *pdata)
+{
+	return 0;
+}
+
+#endif
+
+#if defined(CONFIG_OMAP2PLUS_MBOX) || defined(CONFIG_OMAP2PLUS_MBOX_MODULE)
+static inline void __init omap_init_mbox(void)
+{
+	struct omap_hwmod *oh;
+	struct platform_device *pdev;
+	struct omap_mbox_pdata *pdata;
+
+	oh = omap_hwmod_lookup("mailbox");
+	if (!oh) {
+		pr_err("%s: unable to find hwmod\n", __func__);
+		return;
+	}
+	if (!oh->dev_attr) {
+		pr_err("%s: hwmod doesn't have valid attrs\n", __func__);
+		return;
+	}
+
+	pdata = (struct omap_mbox_pdata *)oh->dev_attr;
+	pdev = omap_device_build("omap-mailbox", -1, oh, pdata, sizeof(*pdata));
+	WARN(IS_ERR(pdev), "%s: could not build device, err %ld\n",
+						__func__, PTR_ERR(pdev));
+}
+#else
+static inline void omap_init_mbox(void) { }
+#endif /* CONFIG_OMAP2PLUS_MBOX */
+
+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,
+};
+
+static void omap_init_audio(void)
+{
+	platform_device_register(&omap_pcm);
+}
+
+#else
+static inline void omap_init_audio(void) {}
+#endif
+
+#if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE)
+
+#include <linux/platform_data/spi-omap2-mcspi.h>
+
+static int __init omap_mcspi_init(struct omap_hwmod *oh, void *unused)
+{
+	struct platform_device *pdev;
+	char *name = "omap2_mcspi";
+	struct omap2_mcspi_platform_config *pdata;
+	static int spi_num;
+	struct omap2_mcspi_dev_attr *mcspi_attrib = oh->dev_attr;
+
+	pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
+	if (!pdata) {
+		pr_err("Memory allocation for McSPI device failed\n");
+		return -ENOMEM;
+	}
+
+	pdata->num_cs = mcspi_attrib->num_chipselect;
+	switch (oh->class->rev) {
+	case OMAP2_MCSPI_REV:
+	case OMAP3_MCSPI_REV:
+			pdata->regs_offset = 0;
+			break;
+	case OMAP4_MCSPI_REV:
+			pdata->regs_offset = OMAP4_MCSPI_REG_OFFSET;
+			break;
+	default:
+			pr_err("Invalid McSPI Revision value\n");
+			kfree(pdata);
+			return -EINVAL;
+	}
+
+	spi_num++;
+	pdev = omap_device_build(name, spi_num, oh, pdata, sizeof(*pdata));
+	WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s\n",
+				name, oh->name);
+	kfree(pdata);
+	return 0;
+}
+
+static void omap_init_mcspi(void)
+{
+	omap_hwmod_for_each_by_class("mcspi", omap_mcspi_init, NULL);
+}
+
+#else
+static inline void omap_init_mcspi(void) {}
+#endif
+
+/**
+ * omap_init_rng - bind the RNG hwmod to the RNG omap_device
+ *
+ * Bind the RNG hwmod to the RNG omap_device.  No return value.
+ */
+static void omap_init_rng(void)
+{
+	struct omap_hwmod *oh;
+	struct platform_device *pdev;
+
+	oh = omap_hwmod_lookup("rng");
+	if (!oh)
+		return;
+
+	pdev = omap_device_build("omap_rng", -1, oh, NULL, 0);
+	WARN(IS_ERR(pdev), "Can't build omap_device for omap_rng\n");
+}
+
+static void __init omap_init_sham(void)
+{
+	struct omap_hwmod *oh;
+	struct platform_device *pdev;
+
+	oh = omap_hwmod_lookup("sham");
+	if (!oh)
+		return;
+
+	pdev = omap_device_build("omap-sham", -1, oh, NULL, 0);
+	WARN(IS_ERR(pdev), "Can't build omap_device for omap-sham\n");
+}
+
+static void __init omap_init_aes(void)
+{
+	struct omap_hwmod *oh;
+	struct platform_device *pdev;
+
+	oh = omap_hwmod_lookup("aes");
+	if (!oh)
+		return;
+
+	pdev = omap_device_build("omap-aes", -1, oh, NULL, 0);
+	WARN(IS_ERR(pdev), "Can't build omap_device for omap-aes\n");
+}
+
+/*-------------------------------------------------------------------------*/
+
+#if defined(CONFIG_VIDEO_OMAP2_VOUT) || \
+	defined(CONFIG_VIDEO_OMAP2_VOUT_MODULE)
+#if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
+static struct resource omap_vout_resource[3 - CONFIG_FB_OMAP2_NUM_FBS] = {
+};
+#else
+static struct resource omap_vout_resource[2] = {
+};
+#endif
+
+static struct platform_device omap_vout_device = {
+	.name		= "omap_vout",
+	.num_resources	= ARRAY_SIZE(omap_vout_resource),
+	.resource 	= &omap_vout_resource[0],
+	.id		= -1,
+};
+
+int __init omap_init_vout(void)
+{
+	return platform_device_register(&omap_vout_device);
+}
+#else
+int __init omap_init_vout(void) { return 0; }
+#endif
+
+/*-------------------------------------------------------------------------*/
+
+static int __init omap2_init_devices(void)
+{
+	/* Enable dummy states for those platforms without pinctrl support */
+	if (!of_have_populated_dt())
+		pinctrl_provide_dummies();
+
+	/*
+	 * please keep these calls, and their implementations above,
+	 * in alphabetical order so they're easier to sort through.
+	 */
+	omap_init_audio();
+	/* If dtb is there, the devices will be created dynamically */
+	if (!of_have_populated_dt()) {
+		omap_init_mbox();
+		omap_init_mcspi();
+		omap_init_sham();
+		omap_init_aes();
+		omap_init_rng();
+	}
+	omap_init_sti();
+
+	return 0;
+}
+omap_arch_initcall(omap2_init_devices);
+
+static int __init omap_gpmc_init(void)
+{
+	struct omap_hwmod *oh;
+	struct platform_device *pdev;
+	char *oh_name = "gpmc";
+
+	/*
+	 * if the board boots up with a populated DT, do not
+	 * manually add the device from this initcall
+	 */
+	if (of_have_populated_dt())
+		return -ENODEV;
+
+	oh = omap_hwmod_lookup(oh_name);
+	if (!oh) {
+		pr_err("Could not look up %s\n", oh_name);
+		return -ENODEV;
+	}
+
+	pdev = omap_device_build("omap-gpmc", -1, oh, NULL, 0);
+	WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name);
+
+	return PTR_RET(pdev);
+}
+omap_postcore_initcall(omap_gpmc_init);