125 lines
3.1 KiB
Diff
125 lines
3.1 KiB
Diff
From 6a84082597dd322713c5d5951530e3eecb878ad4 Mon Sep 17 00:00:00 2001
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From: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
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Date: Wed, 28 Jan 2009 21:32:04 +0200
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Subject: [PATCH] omap iommu: omap3 iommu device registration
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Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
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---
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arch/arm/mach-omap2/omap3-iommu.c | 104 +++++++++++++++++++++++++++++++++++++
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1 files changed, 104 insertions(+), 0 deletions(-)
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create mode 100644 arch/arm/mach-omap2/omap3-iommu.c
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diff --git a/arch/arm/mach-omap2/omap3-iommu.c b/arch/arm/mach-omap2/omap3-iommu.c
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new file mode 100644
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index 0000000..97481cc
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--- /dev/null
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+++ b/arch/arm/mach-omap2/omap3-iommu.c
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@@ -0,0 +1,104 @@
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+/*
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+ * omap iommu: omap3 device registration
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+ *
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+ * Copyright (C) 2008-2009 Nokia Corporation
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+ *
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+ * Written by Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License version 2 as
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+ * published by the Free Software Foundation.
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+ */
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+
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+#include <linux/platform_device.h>
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+#include <linux/io.h>
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+
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+#include <mach/iommu.h>
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+
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+#define OMAP3_MMU1_BASE 0x480bd400
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+#define OMAP3_MMU2_BASE 0x5d000000
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+#define OMAP3_MMU1_IRQ 24
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+#define OMAP3_MMU2_IRQ 28
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+
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+static struct resource omap3_iommu_res[] = {
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+ { /* Camera ISP MMU */
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+ .start = OMAP3_MMU1_BASE,
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+ .end = OMAP3_MMU1_BASE + MMU_REG_SIZE - 1,
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+ .flags = IORESOURCE_MEM,
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+ },
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+ {
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+ .start = OMAP3_MMU1_IRQ,
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+ .flags = IORESOURCE_IRQ,
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+ },
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+ { /* IVA2.2 MMU */
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+ .start = OMAP3_MMU2_BASE,
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+ .end = OMAP3_MMU2_BASE + MMU_REG_SIZE - 1,
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+ .flags = IORESOURCE_MEM,
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+ },
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+ {
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+ .start = OMAP3_MMU2_IRQ,
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+ .flags = IORESOURCE_IRQ,
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+ },
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+};
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+#define NR_IOMMU_RES (ARRAY_SIZE(omap3_iommu_res) / 2)
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+
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+static const struct iommu_platform_data omap3_iommu_pdata[] __initconst = {
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+ {
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+ .name = "isp",
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+ .nr_tlb_entries = 8,
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+ .clk_name = "cam_ick",
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+ },
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+ {
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+ .name = "iva2",
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+ .nr_tlb_entries = 32,
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+ .clk_name = "iva2_ck",
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+ },
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+};
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+#define NR_IOMMU_DEVICES ARRAY_SIZE(omap3_iommu_pdata)
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+
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+static struct platform_device *omap3_iommu_pdev[NR_IOMMU_DEVICES];
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+
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+static int __init omap3_iommu_init(void)
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+{
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+ int i, err;
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+
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+ for (i = 0; i < NR_IOMMU_DEVICES; i++) {
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+ struct platform_device *pdev;
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+
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+ pdev = platform_device_alloc("omap-iommu", i + 1);
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+ if (!pdev)
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+ goto err_out;
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+ err = platform_device_add_resources(pdev,
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+ &omap3_iommu_res[2 * i], NR_IOMMU_RES);
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+ if (err)
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+ goto err_out;
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+ err = platform_device_add_data(pdev, &omap3_iommu_pdata[i],
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+ sizeof(omap3_iommu_pdata[0]));
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+ if (err)
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+ goto err_out;
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+ err = platform_device_add(pdev);
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+ if (err)
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+ goto err_out;
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+ omap3_iommu_pdev[i] = pdev;
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+ }
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+ return 0;
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+
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+err_out:
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+ while (i--)
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+ platform_device_put(omap3_iommu_pdev[i]);
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+ return err;
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+}
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+module_init(omap3_iommu_init);
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+
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+static void __exit omap3_iommu_exit(void)
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+{
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+ int i;
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+
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+ for (i = 0; i < NR_IOMMU_DEVICES; i++)
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+ platform_device_unregister(omap3_iommu_pdev[i]);
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+}
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+module_exit(omap3_iommu_exit);
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+
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+MODULE_AUTHOR("Hiroshi DOYU");
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+MODULE_DESCRIPTION("omap iommu: omap3 device registration");
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+MODULE_LICENSE("GPL v2");
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--
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1.5.6.5
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