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Message-ID: <20090116083719.18344.28959.stgit@oreo.research.nokia.com>
Date: Fri, 16 Jan 2009 10:37:20 +0200
From: Hiroshi DOYU <Hiroshi.DOYU@...ia.com>
To: linux-kernel@...r.kernel.org
Cc: linux-arm-kernel@...ts.arm.linux.org.uk, linux-omap@...r.kernel.org
Subject: [PATCH 3/6] omap iommu: omap3 iommu device registration
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@...ia.com>
---
arch/arm/mach-omap2/omap3-iommu.c | 111 +++++++++++++++++++++++++++++++++++++
1 files changed, 111 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..52d0e56
--- /dev/null
+++ b/arch/arm/mach-omap2/omap3-iommu.c
@@ -0,0 +1,111 @@
+/*
+ * omap iommu: omap3 device registration
+ *
+ * Copyright (C) 2008 Nokia Corporation
+ *
+ * Written by Hiroshi DOYU <Hiroshi.DOYU@...ia.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/io.h>
+#include <linux/platform_device.h>
+
+#include <mach/iommu.h>
+
+#define DEVNAME "omap-iommu"
+
+/* Camera ISP MMU */
+#define OMAP3_MMU1_BASE 0x480bd400
+#define OMAP3_MMU1_IRQ 24
+
+/* IVA2.2 MMU */
+#define OMAP3_MMU2_BASE 0x5d000000
+#define OMAP3_MMU2_IRQ 28
+
+static struct resource iommu1_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,
+ },
+};
+
+static struct resource iommu2_res[] = { /* 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,
+ },
+};
+
+static struct iommu_platform_data omap3_iommu_pdata[] = {
+ {
+ .name = "isp",
+ .nr_tlb_entries = 8,
+ .clk_name = "cam_ick",
+ },
+ {
+ .name = "iva2",
+ .nr_tlb_entries = 32,
+ .clk_name = "iva2_ck",
+ },
+};
+
+static void omap3_iommu_release(struct device *dev)
+{
+}
+
+static struct platform_device omap3_iommu_pdev[] = {
+ {
+ .name = DEVNAME,
+ .id = 1,
+ .num_resources = ARRAY_SIZE(iommu1_res),
+ .resource = iommu1_res,
+ .dev = {
+ .release = omap3_iommu_release,
+ .platform_data = &omap3_iommu_pdata[0],
+ },
+ },
+ {
+ .name = DEVNAME,
+ .id = 2,
+ .num_resources = ARRAY_SIZE(iommu2_res),
+ .resource = iommu2_res,
+ .dev = {
+ .release = omap3_iommu_release,
+ .platform_data = &omap3_iommu_pdata[1],
+ },
+ },
+};
+
+static int __init omap3_iommu_init(void)
+{
+ int i;
+ for (i = 0; i < ARRAY_SIZE(omap3_iommu_pdev); i++)
+ platform_device_register(&omap3_iommu_pdev[i]);
+ return 0;
+}
+module_init(omap3_iommu_init);
+
+static void __exit omap3_iommu_exit(void)
+{
+ int i;
+ for (i = 0; i < ARRAY_SIZE(omap3_iommu_pdev); 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");
--
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