summaryrefslogtreecommitdiff
path: root/recipes/linux/linux-omap-2.6.29/isp/iommu/0003-omap-iommu-omap3-iommu-device-registration.patch
diff options
context:
space:
mode:
Diffstat (limited to 'recipes/linux/linux-omap-2.6.29/isp/iommu/0003-omap-iommu-omap3-iommu-device-registration.patch')
-rw-r--r--recipes/linux/linux-omap-2.6.29/isp/iommu/0003-omap-iommu-omap3-iommu-device-registration.patch124
1 files changed, 124 insertions, 0 deletions
diff --git a/recipes/linux/linux-omap-2.6.29/isp/iommu/0003-omap-iommu-omap3-iommu-device-registration.patch b/recipes/linux/linux-omap-2.6.29/isp/iommu/0003-omap-iommu-omap3-iommu-device-registration.patch
new file mode 100644
index 0000000000..2954c47872
--- /dev/null
+++ b/recipes/linux/linux-omap-2.6.29/isp/iommu/0003-omap-iommu-omap3-iommu-device-registration.patch
@@ -0,0 +1,124 @@
+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
+