omap iommu: renamed omap3-iommu to omap-iommu
This patch includes changes to omap3-iommu.c file to make it generic
for all OMAPs. Renamed omap3-iommu.c to omap-iommu.c
[Hiroshi DOYU: Remove unnecessary "iommu-y" in Makefile]
Signed-off-by: Hari Kanigeri <h-kanigeri2@ti.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
diff --git a/arch/arm/mach-omap2/omap-iommu.c b/arch/arm/mach-omap2/omap-iommu.c
new file mode 100644
index 0000000..416a65d
--- /dev/null
+++ b/arch/arm/mach-omap2/omap-iommu.c
@@ -0,0 +1,108 @@
+/*
+ * omap iommu: omap device registration
+ *
+ * Copyright (C) 2008-2009 Nokia Corporation
+ *
+ * Written by Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/platform_device.h>
+
+#include <plat/iommu.h>
+
+struct iommu_device {
+ resource_size_t base;
+ int irq;
+ struct iommu_platform_data pdata;
+ struct resource res[2];
+};
+
+#ifdef CONFIG_ARCH_OMAP3
+static struct iommu_device devices[] = {
+ {
+ .base = 0x480bd400,
+ .irq = 24,
+ .pdata = {
+ .name = "isp",
+ .nr_tlb_entries = 8,
+ .clk_name = "cam_ick",
+ },
+ },
+#if defined(CONFIG_MPU_BRIDGE_IOMMU)
+ {
+ .base = 0x5d000000,
+ .irq = 28,
+ .pdata = {
+ .name = "iva2",
+ .nr_tlb_entries = 32,
+ .clk_name = "iva2_ck",
+ },
+ },
+#endif
+};
+#endif
+
+#define NR_IOMMU_DEVICES ARRAY_SIZE(devices)
+
+static struct platform_device *omap_iommu_pdev[NR_IOMMU_DEVICES];
+
+static int __init omap_iommu_init(void)
+{
+ int i, err;
+ struct resource res[] = {
+ { .flags = IORESOURCE_MEM },
+ { .flags = IORESOURCE_IRQ },
+ };
+
+ for (i = 0; i < NR_IOMMU_DEVICES; i++) {
+ struct platform_device *pdev;
+ const struct iommu_device *d = &devices[i];
+
+ pdev = platform_device_alloc("omap-iommu", i);
+ if (!pdev) {
+ err = -ENOMEM;
+ goto err_out;
+ }
+
+ res[0].start = d->base;
+ res[0].end = d->base + MMU_REG_SIZE - 1;
+ res[1].start = res[1].end = d->irq;
+
+ err = platform_device_add_resources(pdev, res,
+ ARRAY_SIZE(res));
+ if (err)
+ goto err_out;
+ err = platform_device_add_data(pdev, &d->pdata,
+ sizeof(d->pdata));
+ if (err)
+ goto err_out;
+ err = platform_device_add(pdev);
+ if (err)
+ goto err_out;
+ omap_iommu_pdev[i] = pdev;
+ }
+ return 0;
+
+err_out:
+ while (i--)
+ platform_device_put(omap_iommu_pdev[i]);
+ return err;
+}
+module_init(omap_iommu_init);
+
+static void __exit omap_iommu_exit(void)
+{
+ int i;
+
+ for (i = 0; i < NR_IOMMU_DEVICES; i++)
+ platform_device_unregister(omap_iommu_pdev[i]);
+}
+module_exit(omap_iommu_exit);
+
+MODULE_AUTHOR("Hiroshi DOYU");
+MODULE_DESCRIPTION("omap iommu: omap device registration");
+MODULE_LICENSE("GPL v2");