Merge branch 'staging/iommu' into staging/master

6 files changed, 43 insertions, 1 deletions

diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
index d0be9a1ef6b..9a515824598 100644
--- a/arch/arm/mach-tegra/Kconfig
+++ b/arch/arm/mach-tegra/Kconfig
@@ -3,6 +3,7 @@ menuconfig ARCH_TEGRA
 	select ARCH_REQUIRE_GPIOLIB
 	select ARCH_SUPPORTS_TRUSTED_FOUNDATIONS
 	select ARM_AMBA
+	select ARM_DMA_USE_IOMMU
 	select ARM_GIC
 	select CLKSRC_MMIO
 	select HAVE_ARM_SCU if SMP
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index 325188eef1c..16636faf35f 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -183,7 +183,7 @@ config TEGRA_IOMMU_SMMU
 	select IOMMU_API
 	help
 	  This driver supports the IOMMU hardware (SMMU) found on NVIDIA Tegra
-	  SoCs (Tegra30 up to Tegra124).
+	  SoCs (Tegra30 up to Tegra132).
 
 config EXYNOS_IOMMU
 	bool "Exynos IOMMU Support"
diff --git a/drivers/memory/tegra/Makefile b/drivers/memory/tegra/Makefile
index 0d9f497b786..9d4f4319b52 100644
--- a/drivers/memory/tegra/Makefile
+++ b/drivers/memory/tegra/Makefile
@@ -3,5 +3,6 @@ tegra-mc-y := mc.o
 tegra-mc-$(CONFIG_ARCH_TEGRA_3x_SOC)  += tegra30.o
 tegra-mc-$(CONFIG_ARCH_TEGRA_114_SOC) += tegra114.o
 tegra-mc-$(CONFIG_ARCH_TEGRA_124_SOC) += tegra124.o
+tegra-mc-$(CONFIG_ARCH_TEGRA_132_SOC) += tegra124.o
 
 obj-$(CONFIG_TEGRA_MC) += tegra-mc.o
diff --git a/drivers/memory/tegra/mc.c b/drivers/memory/tegra/mc.c
index fe3c44e7e1d..9b7c1645fd5 100644
--- a/drivers/memory/tegra/mc.c
+++ b/drivers/memory/tegra/mc.c
@@ -58,6 +58,9 @@ static const struct of_device_id tegra_mc_of_match[] = {
 #ifdef CONFIG_ARCH_TEGRA_124_SOC
 	{ .compatible = "nvidia,tegra124-mc", .data = &tegra124_mc_soc },
 #endif
+#ifdef CONFIG_ARCH_TEGRA_132_SOC
+	{ .compatible = "nvidia,tegra132-mc", .data = &tegra132_mc_soc },
+#endif
 	{ }
 };
 MODULE_DEVICE_TABLE(of, tegra_mc_of_match);
diff --git a/drivers/memory/tegra/mc.h b/drivers/memory/tegra/mc.h
index d5d21147fc7..b7361b0a669 100644
--- a/drivers/memory/tegra/mc.h
+++ b/drivers/memory/tegra/mc.h
@@ -37,4 +37,8 @@ extern const struct tegra_mc_soc tegra114_mc_soc;
 extern const struct tegra_mc_soc tegra124_mc_soc;
 #endif
 
+#ifdef CONFIG_ARCH_TEGRA_132_SOC
+extern const struct tegra_mc_soc tegra132_mc_soc;
+#endif
+
 #endif /* MEMORY_TEGRA_MC_H */
diff --git a/drivers/memory/tegra/tegra124.c b/drivers/memory/tegra/tegra124.c
index 278d40b854c..ccd19d83ee9 100644
--- a/drivers/memory/tegra/tegra124.c
+++ b/drivers/memory/tegra/tegra124.c
@@ -993,3 +993,36 @@ const struct tegra_mc_soc tegra124_mc_soc = {
 	.smmu = &tegra124_smmu_soc,
 };
 #endif /* CONFIG_ARCH_TEGRA_124_SOC */
+
+#ifdef CONFIG_ARCH_TEGRA_132_SOC
+static void tegra132_flush_dcache(struct page *page, unsigned long offset,
+				  size_t size)
+{
+	void *virt = page_address(page) + offset;
+
+	__flush_dcache_area(virt, size);
+}
+
+static const struct tegra_smmu_ops tegra132_smmu_ops = {
+	.flush_dcache = tegra132_flush_dcache,
+};
+
+static const struct tegra_smmu_soc tegra132_smmu_soc = {
+	.clients = tegra124_mc_clients,
+	.num_clients = ARRAY_SIZE(tegra124_mc_clients),
+	.swgroups = tegra124_swgroups,
+	.num_swgroups = ARRAY_SIZE(tegra124_swgroups),
+	.supports_round_robin_arbitration = true,
+	.supports_request_limit = true,
+	.num_asids = 128,
+	.ops = &tegra132_smmu_ops,
+};
+
+const struct tegra_mc_soc tegra132_mc_soc = {
+	.clients = tegra124_mc_clients,
+	.num_clients = ARRAY_SIZE(tegra124_mc_clients),
+	.num_address_bits = 34,
+	.atom_size = 32,
+	.smmu = &tegra132_smmu_soc,
+};
+#endif /* CONFIG_ARCH_TEGRA_132_SOC */