>From 9a2bcae7a2de6890884c23c45563eece1e6838de Mon Sep 17 00:00:00 2001
From: Hari Kanigeri <h-kanigeri2@xxxxxx>
Date: Tue, 20 Apr 2010 17:39:18 -0500
Subject: [PATCH 2/4] OMAP:iommu support for OMAP4
This patch provides the iommu support for OMAP4 co-processors.
Signed-off-by: Hari Kanigeri <h-kanigeri2@xxxxxx>
---
arch/arm/mach-omap2/omap-iommu.c | 26 ++++++++++++++++++++++++++
arch/arm/plat-omap/include/plat/omap44xx.h | 3 +++
2 files changed, 29 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/omap-iommu.c b/arch/arm/mach-omap2/omap-iommu.c
index 416a65d..f569371 100644
--- a/arch/arm/mach-omap2/omap-iommu.c
+++ b/arch/arm/mach-omap2/omap-iommu.c
@@ -13,6 +13,7 @@
#include <linux/platform_device.h>
#include <plat/iommu.h>
+#include <plat/irqs.h>
struct iommu_device {
resource_size_t base;
@@ -46,6 +47,31 @@ static struct iommu_device devices[] = {
};
#endif
+#ifdef CONFIG_ARCH_OMAP4
+static struct iommu_device devices[] = {
+ {
+ .base = OMAP4_MMU1_BASE,
+ .irq = INT_44XX_DUCATI_MMU_IRQ,
+ .pdata = {
+ .name = "ducati",
+ .nr_tlb_entries = 32,
+ .clk_name = "ducati_ick",
+ },
+ },
+#if defined(CONFIG_MPU_TESLA_IOMMU)
+ {
+ .base = OMAP4_MMU2_BASE,
+ .irq = INT_44XX_DSP_MMU,
+ .pdata = {
+ .name = "tesla",
+ .nr_tlb_entries = 32,
+ .clk_name = "tesla_ick",
+ },
+ },
+#endif
+};
+#endif
+
#define NR_IOMMU_DEVICES ARRAY_SIZE(devices)
static struct platform_device *omap_iommu_pdev[NR_IOMMU_DEVICES];
diff --git a/arch/arm/plat-omap/include/plat/omap44xx.h b/arch/arm/plat-omap/include/plat/omap44xx.h
index 9cb1e9d..1b5b786 100644
--- a/arch/arm/plat-omap/include/plat/omap44xx.h
+++ b/arch/arm/plat-omap/include/plat/omap44xx.h
@@ -47,5 +47,8 @@
#define OMAP44XX_MAILBOX_BASE (L4_44XX_BASE + 0xF4000)
#define OMAP44XX_HSUSB_OTG_BASE (L4_44XX_BASE + 0xAB000)
+#define OMAP4_MMU1_BASE 0x55082000
+#define OMAP4_MMU2_BASE 0x4A066000
+
#endif /* __ASM_ARCH_OMAP44XX_H */
--
1.7.0
Thank you,
Best regards,
Hari
Attachment:
0002-OMAP-iommu-support-for-OMAP4.patch
Description: 0002-OMAP-iommu-support-for-OMAP4.patch
