msm: iommu: Generalize platform data for multiple targets

Make the IOMMU platform data target-independent in
preparation for adding MSM8960 IOMMU support. The IOMMU
configuration on MSM8x60 and MSM8960 is identical and the
same platform data can be used for both.

Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org>
Signed-off-by: David Brown <davidb@codeaurora.org>

1 files changed, 904 insertions, 0 deletions

diff --git a/arch/arm/mach-msm/devices-iommu.c b/arch/arm/mach-msm/devices-iommu.c
new file mode 100644
index 000000000000..c0206b727502
--- /dev/null
+++ b/arch/arm/mach-msm/devices-iommu.c
@@ -0,0 +1,904 @@
+/* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/bootmem.h>
+#include <mach/irqs.h>
+#include <mach/iommu.h>
+
+static struct resource msm_iommu_jpegd_resources[] = {
+        {
+                .start = 0x07300000,
+                .end   = 0x07300000 + SZ_1M - 1,
+                .name  = "physbase",
+                .flags = IORESOURCE_MEM,
+        },
+        {
+                .name = "nonsecure_irq",
+                .start = SMMU_JPEGD_CB_SC_NON_SECURE_IRQ,
+                .end   = SMMU_JPEGD_CB_SC_NON_SECURE_IRQ,
+                .flags = IORESOURCE_IRQ,
+        },
+        {
+                .name = "secure_irq",
+                .start = SMMU_JPEGD_CB_SC_SECURE_IRQ,
+                .end   = SMMU_JPEGD_CB_SC_SECURE_IRQ,
+                .flags = IORESOURCE_IRQ,
+        },
+};
+
+static struct resource msm_iommu_vpe_resources[] = {
+        {
+                .start = 0x07400000,
+                .end   = 0x07400000 + SZ_1M - 1,
+                .name  = "physbase",
+                .flags = IORESOURCE_MEM,
+        },
+        {
+                .name = "nonsecure_irq",
+                .start = SMMU_VPE_CB_SC_NON_SECURE_IRQ,
+                .end   = SMMU_VPE_CB_SC_NON_SECURE_IRQ,
+                .flags = IORESOURCE_IRQ,
+        },
+        {
+                .name = "secure_irq",
+                .start = SMMU_VPE_CB_SC_SECURE_IRQ,
+                .end   = SMMU_VPE_CB_SC_SECURE_IRQ,
+                .flags = IORESOURCE_IRQ,
+        },
+};
+
+static struct resource msm_iommu_mdp0_resources[] = {
+        {
+                .start = 0x07500000,
+                .end   = 0x07500000 + SZ_1M - 1,
+                .name  = "physbase",
+                .flags = IORESOURCE_MEM,
+        },
+        {
+                .name = "nonsecure_irq",
+                .start = SMMU_MDP0_CB_SC_NON_SECURE_IRQ,
+                .end   = SMMU_MDP0_CB_SC_NON_SECURE_IRQ,
+                .flags = IORESOURCE_IRQ,
+        },
+        {
+                .name = "secure_irq",
+                .start = SMMU_MDP0_CB_SC_SECURE_IRQ,
+                .end   = SMMU_MDP0_CB_SC_SECURE_IRQ,
+                .flags = IORESOURCE_IRQ,
+        },
+};
+
+static struct resource msm_iommu_mdp1_resources[] = {
+        {
+                .start = 0x07600000,
+                .end   = 0x07600000 + SZ_1M - 1,
+                .name  = "physbase",
+                .flags = IORESOURCE_MEM,
+        },
+        {
+                .name = "nonsecure_irq",
+                .start = SMMU_MDP1_CB_SC_NON_SECURE_IRQ,
+                .end   = SMMU_MDP1_CB_SC_NON_SECURE_IRQ,
+                .flags = IORESOURCE_IRQ,
+        },
+        {
+                .name = "secure_irq",
+                .start = SMMU_MDP1_CB_SC_SECURE_IRQ,
+                .end   = SMMU_MDP1_CB_SC_SECURE_IRQ,
+                .flags = IORESOURCE_IRQ,
+        },
+};
+
+static struct resource msm_iommu_rot_resources[] = {
+        {
+                .start = 0x07700000,
+                .end   = 0x07700000 + SZ_1M - 1,
+                .name  = "physbase",
+                .flags = IORESOURCE_MEM,
+        },
+        {
+                .name = "nonsecure_irq",
+                .start = SMMU_ROT_CB_SC_NON_SECURE_IRQ,
+                .end   = SMMU_ROT_CB_SC_NON_SECURE_IRQ,
+                .flags = IORESOURCE_IRQ,
+        },
+        {
+                .name = "secure_irq",
+                .start = SMMU_ROT_CB_SC_SECURE_IRQ,
+                .end   = SMMU_ROT_CB_SC_SECURE_IRQ,
+                .flags = IORESOURCE_IRQ,
+        },
+};
+
+static struct resource msm_iommu_ijpeg_resources[] = {
+        {
+                .start = 0x07800000,
+                .end   = 0x07800000 + SZ_1M - 1,
+                .name  = "physbase",
+                .flags = IORESOURCE_MEM,
+        },
+        {
+                .name = "nonsecure_irq",
+                .start = SMMU_IJPEG_CB_SC_NON_SECURE_IRQ,
+                .end   = SMMU_IJPEG_CB_SC_NON_SECURE_IRQ,
+                .flags = IORESOURCE_IRQ,
+        },
+        {
+                .name = "secure_irq",
+                .start = SMMU_IJPEG_CB_SC_SECURE_IRQ,
+                .end   = SMMU_IJPEG_CB_SC_SECURE_IRQ,
+                .flags = IORESOURCE_IRQ,
+        },
+};
+
+static struct resource msm_iommu_vfe_resources[] = {
+        {
+                .start = 0x07900000,
+                .end   = 0x07900000 + SZ_1M - 1,
+                .name  = "physbase",
+                .flags = IORESOURCE_MEM,
+        },
+        {
+                .name = "nonsecure_irq",
+                .start = SMMU_VFE_CB_SC_NON_SECURE_IRQ,
+                .end   = SMMU_VFE_CB_SC_NON_SECURE_IRQ,
+                .flags = IORESOURCE_IRQ,
+        },
+        {
+                .name = "secure_irq",
+                .start = SMMU_VFE_CB_SC_SECURE_IRQ,
+                .end   = SMMU_VFE_CB_SC_SECURE_IRQ,
+                .flags = IORESOURCE_IRQ,
+        },
+};
+
+static struct resource msm_iommu_vcodec_a_resources[] = {
+        {
+                .start = 0x07A00000,
+                .end   = 0x07A00000 + SZ_1M - 1,
+                .name  = "physbase",
+                .flags = IORESOURCE_MEM,
+        },
+        {
+                .name = "nonsecure_irq",
+                .start = SMMU_VCODEC_A_CB_SC_NON_SECURE_IRQ,
+                .end   = SMMU_VCODEC_A_CB_SC_NON_SECURE_IRQ,
+                .flags = IORESOURCE_IRQ,
+        },
+        {
+                .name = "secure_irq",
+                .start = SMMU_VCODEC_A_CB_SC_SECURE_IRQ,
+                .end   = SMMU_VCODEC_A_CB_SC_SECURE_IRQ,
+                .flags = IORESOURCE_IRQ,
+        },
+};
+
+static struct resource msm_iommu_vcodec_b_resources[] = {
+        {
+                .start = 0x07B00000,
+                .end   = 0x07B00000 + SZ_1M - 1,
+                .name  = "physbase",
+                .flags = IORESOURCE_MEM,
+        },
+        {
+                .name = "nonsecure_irq",
+                .start = SMMU_VCODEC_B_CB_SC_NON_SECURE_IRQ,
+                .end   = SMMU_VCODEC_B_CB_SC_NON_SECURE_IRQ,
+                .flags = IORESOURCE_IRQ,
+        },
+        {
+                .name = "secure_irq",
+                .start = SMMU_VCODEC_B_CB_SC_SECURE_IRQ,
+                .end   = SMMU_VCODEC_B_CB_SC_SECURE_IRQ,
+                .flags = IORESOURCE_IRQ,
+        },
+};
+
+static struct resource msm_iommu_gfx3d_resources[] = {
+        {
+                .start = 0x07C00000,
+                .end   = 0x07C00000 + SZ_1M - 1,
+                .name  = "physbase",
+                .flags = IORESOURCE_MEM,
+        },
+        {
+                .name = "nonsecure_irq",
+                .start = SMMU_GFX3D_CB_SC_NON_SECURE_IRQ,
+                .end   = SMMU_GFX3D_CB_SC_NON_SECURE_IRQ,
+                .flags = IORESOURCE_IRQ,
+        },
+        {
+                .name = "secure_irq",
+                .start = SMMU_GFX3D_CB_SC_SECURE_IRQ,
+                .end   = SMMU_GFX3D_CB_SC_SECURE_IRQ,
+                .flags = IORESOURCE_IRQ,
+        },
+};
+
+static struct resource msm_iommu_gfx2d0_resources[] = {
+        {
+                .start = 0x07D00000,
+                .end   = 0x07D00000 + SZ_1M - 1,
+                .name  = "physbase",
+                .flags = IORESOURCE_MEM,
+        },
+        {
+                .name = "nonsecure_irq",
+                .start = SMMU_GFX2D0_CB_SC_NON_SECURE_IRQ,
+                .end   = SMMU_GFX2D0_CB_SC_NON_SECURE_IRQ,
+                .flags = IORESOURCE_IRQ,
+        },
+        {
+                .name = "secure_irq",
+                .start = SMMU_GFX2D0_CB_SC_SECURE_IRQ,
+                .end   = SMMU_GFX2D0_CB_SC_SECURE_IRQ,
+                .flags = IORESOURCE_IRQ,
+        },
+};
+
+static struct resource msm_iommu_gfx2d1_resources[] = {
+        {
+                .start = 0x07E00000,
+                .end   = 0x07E00000 + SZ_1M - 1,
+                .name  = "physbase",
+                .flags = IORESOURCE_MEM,
+        },
+        {
+                .name = "nonsecure_irq",
+                .start = SMMU_GFX2D1_CB_SC_NON_SECURE_IRQ,
+                .end   = SMMU_GFX2D1_CB_SC_NON_SECURE_IRQ,
+                .flags = IORESOURCE_IRQ,
+        },
+        {
+                .name = "secure_irq",
+                .start = SMMU_GFX2D1_CB_SC_SECURE_IRQ,
+                .end   = SMMU_GFX2D1_CB_SC_SECURE_IRQ,
+                .flags = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device msm_root_iommu_dev = {
+        .name = "msm_iommu",
+        .id = -1,
+};
+
+static struct msm_iommu_dev jpegd_iommu = {
+        .name = "jpegd",
+        .clk_rate = -1
+};
+
+static struct msm_iommu_dev vpe_iommu = {
+        .name = "vpe"
+};
+
+static struct msm_iommu_dev mdp0_iommu = {
+        .name = "mdp0"
+};
+
+static struct msm_iommu_dev mdp1_iommu = {
+        .name = "mdp1"
+};
+
+static struct msm_iommu_dev rot_iommu = {
+        .name = "rot"
+};
+
+static struct msm_iommu_dev ijpeg_iommu = {
+        .name = "ijpeg"
+};
+
+static struct msm_iommu_dev vfe_iommu = {
+        .name = "vfe",
+        .clk_rate = -1
+};
+
+static struct msm_iommu_dev vcodec_a_iommu = {
+        .name = "vcodec_a"
+};
+
+static struct msm_iommu_dev vcodec_b_iommu = {
+        .name = "vcodec_b"
+};
+
+static struct msm_iommu_dev gfx3d_iommu = {
+        .name = "gfx3d",
+        .clk_rate = 27000000
+};
+
+static struct msm_iommu_dev gfx2d0_iommu = {
+        .name = "gfx2d0",
+        .clk_rate = 27000000
+};
+
+static struct msm_iommu_dev gfx2d1_iommu = {
+        .name = "gfx2d1",
+        .clk_rate = 27000000
+};
+
+static struct platform_device msm_device_iommu_jpegd = {
+        .name = "msm_iommu",
+        .id = 0,
+        .dev = {
+                .parent = &msm_root_iommu_dev.dev,
+        },
+        .num_resources = ARRAY_SIZE(msm_iommu_jpegd_resources),
+        .resource = msm_iommu_jpegd_resources,
+};
+
+static struct platform_device msm_device_iommu_vpe = {
+        .name = "msm_iommu",
+        .id = 1,
+        .dev = {
+                .parent = &msm_root_iommu_dev.dev,
+        },
+        .num_resources = ARRAY_SIZE(msm_iommu_vpe_resources),
+        .resource = msm_iommu_vpe_resources,
+};
+
+static struct platform_device msm_device_iommu_mdp0 = {
+        .name = "msm_iommu",
+        .id = 2,
+        .dev = {
+                .parent = &msm_root_iommu_dev.dev,
+        },
+        .num_resources = ARRAY_SIZE(msm_iommu_mdp0_resources),
+        .resource = msm_iommu_mdp0_resources,
+};
+
+static struct platform_device msm_device_iommu_mdp1 = {
+        .name = "msm_iommu",
+        .id = 3,
+        .dev = {
+                .parent = &msm_root_iommu_dev.dev,
+        },
+        .num_resources = ARRAY_SIZE(msm_iommu_mdp1_resources),
+        .resource = msm_iommu_mdp1_resources,
+};
+
+static struct platform_device msm_device_iommu_rot = {
+        .name = "msm_iommu",
+        .id = 4,
+        .dev = {
+                .parent = &msm_root_iommu_dev.dev,
+        },
+        .num_resources = ARRAY_SIZE(msm_iommu_rot_resources),
+        .resource = msm_iommu_rot_resources,
+};
+
+static struct platform_device msm_device_iommu_ijpeg = {
+        .name = "msm_iommu",
+        .id = 5,
+        .dev = {
+                .parent = &msm_root_iommu_dev.dev,
+        },
+        .num_resources = ARRAY_SIZE(msm_iommu_ijpeg_resources),
+        .resource = msm_iommu_ijpeg_resources,
+};
+
+static struct platform_device msm_device_iommu_vfe = {
+        .name = "msm_iommu",
+        .id = 6,
+        .dev = {
+                .parent = &msm_root_iommu_dev.dev,
+        },
+        .num_resources = ARRAY_SIZE(msm_iommu_vfe_resources),
+        .resource = msm_iommu_vfe_resources,
+};
+
+static struct platform_device msm_device_iommu_vcodec_a = {
+        .name = "msm_iommu",
+        .id = 7,
+        .dev = {
+                .parent = &msm_root_iommu_dev.dev,
+        },
+        .num_resources = ARRAY_SIZE(msm_iommu_vcodec_a_resources),
+        .resource = msm_iommu_vcodec_a_resources,
+};
+
+static struct platform_device msm_device_iommu_vcodec_b = {
+        .name = "msm_iommu",
+        .id = 8,
+        .dev = {
+                .parent = &msm_root_iommu_dev.dev,
+        },
+        .num_resources = ARRAY_SIZE(msm_iommu_vcodec_b_resources),
+        .resource = msm_iommu_vcodec_b_resources,
+};
+
+static struct platform_device msm_device_iommu_gfx3d = {
+        .name = "msm_iommu",
+        .id = 9,
+        .dev = {
+                .parent = &msm_root_iommu_dev.dev,
+        },
+        .num_resources = ARRAY_SIZE(msm_iommu_gfx3d_resources),
+        .resource = msm_iommu_gfx3d_resources,
+};
+
+static struct platform_device msm_device_iommu_gfx2d0 = {
+        .name = "msm_iommu",
+        .id = 10,
+        .dev = {
+                .parent = &msm_root_iommu_dev.dev,
+        },
+        .num_resources = ARRAY_SIZE(msm_iommu_gfx2d0_resources),
+        .resource = msm_iommu_gfx2d0_resources,
+};
+
+struct platform_device msm_device_iommu_gfx2d1 = {
+        .name = "msm_iommu",
+        .id = 11,
+        .dev = {
+                .parent = &msm_root_iommu_dev.dev,
+        },
+        .num_resources = ARRAY_SIZE(msm_iommu_gfx2d1_resources),
+        .resource = msm_iommu_gfx2d1_resources,
+};
+
+static struct msm_iommu_ctx_dev jpegd_src_ctx = {
+        .name = "jpegd_src",
+        .num = 0,
+        .mids = {0, -1}
+};
+
+static struct msm_iommu_ctx_dev jpegd_dst_ctx = {
+        .name = "jpegd_dst",
+        .num = 1,
+        .mids = {1, -1}
+};
+
+static struct msm_iommu_ctx_dev vpe_src_ctx = {
+        .name = "vpe_src",
+        .num = 0,
+        .mids = {0, -1}
+};
+
+static struct msm_iommu_ctx_dev vpe_dst_ctx = {
+        .name = "vpe_dst",
+        .num = 1,
+        .mids = {1, -1}
+};
+
+static struct msm_iommu_ctx_dev mdp_vg1_ctx = {
+        .name = "mdp_vg1",
+        .num = 0,
+        .mids = {0, 2, -1}
+};
+
+static struct msm_iommu_ctx_dev mdp_rgb1_ctx = {
+        .name = "mdp_rgb1",
+        .num = 1,
+        .mids = {1, 3, 4, 5, 6, 7, 8, 9, 10, -1}
+};
+
+static struct msm_iommu_ctx_dev mdp_vg2_ctx = {
+        .name = "mdp_vg2",
+        .num = 0,
+        .mids = {0, 2, -1}
+};
+
+static struct msm_iommu_ctx_dev mdp_rgb2_ctx = {
+        .name = "mdp_rgb2",
+        .num = 1,
+        .mids = {1, 3, 4, 5, 6, 7, 8, 9, 10, -1}
+};
+
+static struct msm_iommu_ctx_dev rot_src_ctx = {
+        .name = "rot_src",
+        .num = 0,
+        .mids = {0, -1}
+};
+
+static struct msm_iommu_ctx_dev rot_dst_ctx = {
+        .name = "rot_dst",
+        .num = 1,
+        .mids = {1, -1}
+};
+
+static struct msm_iommu_ctx_dev ijpeg_src_ctx = {
+        .name = "ijpeg_src",
+        .num = 0,
+        .mids = {0, -1}
+};
+
+static struct msm_iommu_ctx_dev ijpeg_dst_ctx = {
+        .name = "ijpeg_dst",
+        .num = 1,
+        .mids = {1, -1}
+};
+
+static struct msm_iommu_ctx_dev vfe_imgwr_ctx = {
+        .name = "vfe_imgwr",
+        .num = 0,
+        .mids = {2, 3, 4, 5, 6, 7, 8, -1}
+};
+
+static struct msm_iommu_ctx_dev vfe_misc_ctx = {
+        .name = "vfe_misc",
+        .num = 1,
+        .mids = {0, 1, 9, -1}
+};
+
+static struct msm_iommu_ctx_dev vcodec_a_stream_ctx = {
+        .name = "vcodec_a_stream",
+        .num = 0,
+        .mids = {2, 5, -1}
+};
+
+static struct msm_iommu_ctx_dev vcodec_a_mm1_ctx = {
+        .name = "vcodec_a_mm1",
+        .num = 1,
+        .mids = {0, 1, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, -1}
+};
+
+static struct msm_iommu_ctx_dev vcodec_b_mm2_ctx = {
+        .name = "vcodec_b_mm2",
+        .num = 0,
+        .mids = {0, 1, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, -1}
+};
+
+static struct msm_iommu_ctx_dev gfx3d_user_ctx = {
+        .name = "gfx3d_user",
+        .num = 0,
+        .mids = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, -1}
+};
+
+static struct msm_iommu_ctx_dev gfx3d_priv_ctx = {
+        .name = "gfx3d_priv",
+        .num = 1,
+        .mids = {16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30,
+                 31, -1}
+};
+
+static struct msm_iommu_ctx_dev gfx2d0_2d0_ctx = {
+        .name = "gfx2d0_2d0",
+        .num = 0,
+        .mids = {0, 1, 2, 3, 4, 5, 6, 7, -1}
+};
+
+static struct msm_iommu_ctx_dev gfx2d1_2d1_ctx = {
+        .name = "gfx2d1_2d1",
+        .num = 0,
+        .mids = {0, 1, 2, 3, 4, 5, 6, 7, -1}
+};
+
+static struct platform_device msm_device_jpegd_src_ctx = {
+        .name = "msm_iommu_ctx",
+        .id = 0,
+        .dev = {
+                .parent = &msm_device_iommu_jpegd.dev,
+        },
+};
+
+static struct platform_device msm_device_jpegd_dst_ctx = {
+        .name = "msm_iommu_ctx",
+        .id = 1,
+        .dev = {
+                .parent = &msm_device_iommu_jpegd.dev,
+        },
+};
+
+static struct platform_device msm_device_vpe_src_ctx = {
+        .name = "msm_iommu_ctx",
+        .id = 2,
+        .dev = {
+                .parent = &msm_device_iommu_vpe.dev,
+        },
+};
+
+static struct platform_device msm_device_vpe_dst_ctx = {
+        .name = "msm_iommu_ctx",
+        .id = 3,
+        .dev = {
+                .parent = &msm_device_iommu_vpe.dev,
+        },
+};
+
+static struct platform_device msm_device_mdp_vg1_ctx = {
+        .name = "msm_iommu_ctx",
+        .id = 4,
+        .dev = {
+                .parent = &msm_device_iommu_mdp0.dev,
+        },
+};
+
+static struct platform_device msm_device_mdp_rgb1_ctx = {
+        .name = "msm_iommu_ctx",
+        .id = 5,
+        .dev = {
+                .parent = &msm_device_iommu_mdp0.dev,
+        },
+};
+
+static struct platform_device msm_device_mdp_vg2_ctx = {
+        .name = "msm_iommu_ctx",
+        .id = 6,
+        .dev = {
+                .parent = &msm_device_iommu_mdp1.dev,
+        },
+};
+
+static struct platform_device msm_device_mdp_rgb2_ctx = {
+        .name = "msm_iommu_ctx",
+        .id = 7,
+        .dev = {
+                .parent = &msm_device_iommu_mdp1.dev,
+        },
+};
+
+static struct platform_device msm_device_rot_src_ctx = {
+        .name = "msm_iommu_ctx",
+        .id = 8,
+        .dev = {
+                .parent = &msm_device_iommu_rot.dev,
+        },
+};
+
+static struct platform_device msm_device_rot_dst_ctx = {
+        .name = "msm_iommu_ctx",
+        .id = 9,
+        .dev = {
+                .parent = &msm_device_iommu_rot.dev,
+        },
+};
+
+static struct platform_device msm_device_ijpeg_src_ctx = {
+        .name = "msm_iommu_ctx",
+        .id = 10,
+        .dev = {
+                .parent = &msm_device_iommu_ijpeg.dev,
+        },
+};
+
+static struct platform_device msm_device_ijpeg_dst_ctx = {
+        .name = "msm_iommu_ctx",
+        .id = 11,
+        .dev = {
+                .parent = &msm_device_iommu_ijpeg.dev,
+        },
+};
+
+static struct platform_device msm_device_vfe_imgwr_ctx = {
+        .name = "msm_iommu_ctx",
+        .id = 12,
+        .dev = {
+                .parent = &msm_device_iommu_vfe.dev,
+        },
+};
+
+static struct platform_device msm_device_vfe_misc_ctx = {
+        .name = "msm_iommu_ctx",
+        .id = 13,
+        .dev = {
+                .parent = &msm_device_iommu_vfe.dev,
+        },
+};
+
+static struct platform_device msm_device_vcodec_a_stream_ctx = {
+        .name = "msm_iommu_ctx",
+        .id = 14,
+        .dev = {
+                .parent = &msm_device_iommu_vcodec_a.dev,
+        },
+};
+
+static struct platform_device msm_device_vcodec_a_mm1_ctx = {
+        .name = "msm_iommu_ctx",
+        .id = 15,
+        .dev = {
+                .parent = &msm_device_iommu_vcodec_a.dev,
+        },
+};
+
+static struct platform_device msm_device_vcodec_b_mm2_ctx = {
+        .name = "msm_iommu_ctx",
+        .id = 16,
+        .dev = {
+                .parent = &msm_device_iommu_vcodec_b.dev,
+        },
+};
+
+static struct platform_device msm_device_gfx3d_user_ctx = {
+        .name = "msm_iommu_ctx",
+        .id = 17,
+        .dev = {
+                .parent = &msm_device_iommu_gfx3d.dev,
+        },
+};
+
+static struct platform_device msm_device_gfx3d_priv_ctx = {
+        .name = "msm_iommu_ctx",
+        .id = 18,
+        .dev = {
+                .parent = &msm_device_iommu_gfx3d.dev,
+        },
+};
+
+static struct platform_device msm_device_gfx2d0_2d0_ctx = {
+        .name = "msm_iommu_ctx",
+        .id = 19,
+        .dev = {
+                .parent = &msm_device_iommu_gfx2d0.dev,
+        },
+};
+
+static struct platform_device msm_device_gfx2d1_2d1_ctx = {
+        .name = "msm_iommu_ctx",
+        .id = 20,
+        .dev = {
+                .parent = &msm_device_iommu_gfx2d1.dev,
+        },
+};
+
+static struct platform_device *msm_iommu_devs[] = {
+        &msm_device_iommu_jpegd,
+        &msm_device_iommu_vpe,
+        &msm_device_iommu_mdp0,
+        &msm_device_iommu_mdp1,
+        &msm_device_iommu_rot,
+        &msm_device_iommu_ijpeg,
+        &msm_device_iommu_vfe,
+        &msm_device_iommu_vcodec_a,
+        &msm_device_iommu_vcodec_b,
+        &msm_device_iommu_gfx3d,
+        &msm_device_iommu_gfx2d0,
+        &msm_device_iommu_gfx2d1,
+};
+
+static struct msm_iommu_dev *msm_iommu_data[] = {
+        &jpegd_iommu,
+        &vpe_iommu,
+        &mdp0_iommu,
+        &mdp1_iommu,
+        &rot_iommu,
+        &ijpeg_iommu,
+        &vfe_iommu,
+        &vcodec_a_iommu,
+        &vcodec_b_iommu,
+        &gfx3d_iommu,
+        &gfx2d0_iommu,
+        &gfx2d1_iommu,
+};
+
+static struct platform_device *msm_iommu_ctx_devs[] = {
+        &msm_device_jpegd_src_ctx,
+        &msm_device_jpegd_dst_ctx,
+        &msm_device_vpe_src_ctx,
+        &msm_device_vpe_dst_ctx,
+        &msm_device_mdp_vg1_ctx,
+        &msm_device_mdp_rgb1_ctx,
+        &msm_device_mdp_vg2_ctx,
+        &msm_device_mdp_rgb2_ctx,
+        &msm_device_rot_src_ctx,
+        &msm_device_rot_dst_ctx,
+        &msm_device_ijpeg_src_ctx,
+        &msm_device_ijpeg_dst_ctx,
+        &msm_device_vfe_imgwr_ctx,
+        &msm_device_vfe_misc_ctx,
+        &msm_device_vcodec_a_stream_ctx,
+        &msm_device_vcodec_a_mm1_ctx,
+        &msm_device_vcodec_b_mm2_ctx,
+        &msm_device_gfx3d_user_ctx,
+        &msm_device_gfx3d_priv_ctx,
+        &msm_device_gfx2d0_2d0_ctx,
+        &msm_device_gfx2d1_2d1_ctx,
+};
+
+static struct msm_iommu_ctx_dev *msm_iommu_ctx_data[] = {
+        &jpegd_src_ctx,
+        &jpegd_dst_ctx,
+        &vpe_src_ctx,
+        &vpe_dst_ctx,
+        &mdp_vg1_ctx,
+        &mdp_rgb1_ctx,
+        &mdp_vg2_ctx,
+        &mdp_rgb2_ctx,
+        &rot_src_ctx,
+        &rot_dst_ctx,
+        &ijpeg_src_ctx,
+        &ijpeg_dst_ctx,
+        &vfe_imgwr_ctx,
+        &vfe_misc_ctx,
+        &vcodec_a_stream_ctx,
+        &vcodec_a_mm1_ctx,
+        &vcodec_b_mm2_ctx,
+        &gfx3d_user_ctx,
+        &gfx3d_priv_ctx,
+        &gfx2d0_2d0_ctx,
+        &gfx2d1_2d1_ctx,
+};
+
+static int __init msm8x60_iommu_init(void)
+{
+        int ret, i;
+
+        ret = platform_device_register(&msm_root_iommu_dev);
+        if (ret != 0) {
+                pr_err("Failed to register root IOMMU device!\n");
+                goto failure;
+        }
+
+        for (i = 0; i < ARRAY_SIZE(msm_iommu_devs); i++) {
+                ret = platform_device_add_data(msm_iommu_devs[i],
+                                               msm_iommu_data[i],
+                                               sizeof(struct msm_iommu_dev));
+                if (ret != 0) {
+                        pr_err("platform_device_add_data failed, "
+                               "i = %d\n", i);
+                        goto failure_unwind;
+                }
+
+                ret = platform_device_register(msm_iommu_devs[i]);
+
+                if (ret != 0) {
+                        pr_err("platform_device_register iommu failed, "
+                               "i = %d\n", i);
+                        goto failure_unwind;
+                }
+        }
+
+        for (i = 0; i < ARRAY_SIZE(msm_iommu_ctx_devs); i++) {
+                ret = platform_device_add_data(msm_iommu_ctx_devs[i],
+                                               msm_iommu_ctx_data[i],
+                                               sizeof(*msm_iommu_ctx_devs[i]));
+                if (ret != 0) {
+                        pr_err("platform_device_add_data iommu failed, "
+                               "i = %d\n", i);
+                        goto failure_unwind2;
+                }
+
+                ret = platform_device_register(msm_iommu_ctx_devs[i]);
+                if (ret != 0) {
+                        pr_err("platform_device_register ctx failed, "
+                               "i = %d\n", i);
+                        goto failure_unwind2;
+                }
+        }
+        return 0;
+
+failure_unwind2:
+        while (--i >= 0)
+                platform_device_unregister(msm_iommu_ctx_devs[i]);
+failure_unwind:
+        while (--i >= 0)
+                platform_device_unregister(msm_iommu_devs[i]);
+
+        platform_device_unregister(&msm_root_iommu_dev);
+failure:
+        return ret;
+}
+
+static void __exit msm8x60_iommu_exit(void)
+{
+        int i;
+
+        for (i = 0; i < ARRAY_SIZE(msm_iommu_ctx_devs); i++)
+                platform_device_unregister(msm_iommu_ctx_devs[i]);
+
+        for (i = 0; i < ARRAY_SIZE(msm_iommu_devs); ++i)
+                platform_device_unregister(msm_iommu_devs[i]);
+
+        platform_device_unregister(&msm_root_iommu_dev);
+}
+
+subsys_initcall(msm8x60_iommu_init);
+module_exit(msm8x60_iommu_exit);
+
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Stepan Moskovchenko <stepanm@codeaurora.org>");