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From 6a84082597dd322713c5d5951530e3eecb878ad4 Mon Sep 17 00:00:00 2001
From: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Date: Wed, 28 Jan 2009 21:32:04 +0200
Subject: [PATCH] omap iommu: omap3 iommu device registration
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
---
arch/arm/mach-omap2/omap3-iommu.c | 104 +++++++++++++++++++++++++++++++++++++
1 files changed, 104 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-omap2/omap3-iommu.c
diff --git a/arch/arm/mach-omap2/omap3-iommu.c b/arch/arm/mach-omap2/omap3-iommu.c
new file mode 100644
index 0000000..97481cc
--- /dev/null
+++ b/arch/arm/mach-omap2/omap3-iommu.c
@@ -0,0 +1,104 @@
+/*
+ * omap iommu: omap3 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 <linux/io.h>
+
+#include <mach/iommu.h>
+
+#define OMAP3_MMU1_BASE 0x480bd400
+#define OMAP3_MMU2_BASE 0x5d000000
+#define OMAP3_MMU1_IRQ 24
+#define OMAP3_MMU2_IRQ 28
+
+static struct resource omap3_iommu_res[] = {
+ { /* Camera ISP MMU */
+ .start = OMAP3_MMU1_BASE,
+ .end = OMAP3_MMU1_BASE + MMU_REG_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = OMAP3_MMU1_IRQ,
+ .flags = IORESOURCE_IRQ,
+ },
+ { /* IVA2.2 MMU */
+ .start = OMAP3_MMU2_BASE,
+ .end = OMAP3_MMU2_BASE + MMU_REG_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = OMAP3_MMU2_IRQ,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+#define NR_IOMMU_RES (ARRAY_SIZE(omap3_iommu_res) / 2)
+
+static const struct iommu_platform_data omap3_iommu_pdata[] __initconst = {
+ {
+ .name = "isp",
+ .nr_tlb_entries = 8,
+ .clk_name = "cam_ick",
+ },
+ {
+ .name = "iva2",
+ .nr_tlb_entries = 32,
+ .clk_name = "iva2_ck",
+ },
+};
+#define NR_IOMMU_DEVICES ARRAY_SIZE(omap3_iommu_pdata)
+
+static struct platform_device *omap3_iommu_pdev[NR_IOMMU_DEVICES];
+
+static int __init omap3_iommu_init(void)
+{
+ int i, err;
+
+ for (i = 0; i < NR_IOMMU_DEVICES; i++) {
+ struct platform_device *pdev;
+
+ pdev = platform_device_alloc("omap-iommu", i + 1);
+ if (!pdev)
+ goto err_out;
+ err = platform_device_add_resources(pdev,
+ &omap3_iommu_res[2 * i], NR_IOMMU_RES);
+ if (err)
+ goto err_out;
+ err = platform_device_add_data(pdev, &omap3_iommu_pdata[i],
+ sizeof(omap3_iommu_pdata[0]));
+ if (err)
+ goto err_out;
+ err = platform_device_add(pdev);
+ if (err)
+ goto err_out;
+ omap3_iommu_pdev[i] = pdev;
+ }
+ return 0;
+
+err_out:
+ while (i--)
+ platform_device_put(omap3_iommu_pdev[i]);
+ return err;
+}
+module_init(omap3_iommu_init);
+
+static void __exit omap3_iommu_exit(void)
+{
+ int i;
+
+ for (i = 0; i < NR_IOMMU_DEVICES; i++)
+ platform_device_unregister(omap3_iommu_pdev[i]);
+}
+module_exit(omap3_iommu_exit);
+
+MODULE_AUTHOR("Hiroshi DOYU");
+MODULE_DESCRIPTION("omap iommu: omap3 device registration");
+MODULE_LICENSE("GPL v2");
--
1.5.6.5
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