Support multiple generation of Tegra SoCs with this unified
SMMU driver. Necessary info is expected to be passed from DT.
Signed-off-by: Hiroshi Doyu <hdoyu@xxxxxxxxxx>
---
drivers/iommu/tegra-smmu.c | 80 ++--------------------------------------------
1 file changed, 3 insertions(+), 77 deletions(-)
diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c
index 6e82df3..ae71721 100644
--- a/drivers/iommu/tegra-smmu.c
+++ b/drivers/iommu/tegra-smmu.c
@@ -1,5 +1,5 @@
/*
- * IOMMU API for SMMU in Tegra30
+ * IOMMU API for SMMU in Tegra SoC
*
* Copyright (c) 2011-2013, NVIDIA CORPORATION. All rights reserved.
*
@@ -41,46 +41,6 @@
#include <asm/cacheflush.h>
#include <asm/dma-iommu.h>
-enum smmu_hwgrp {
- HWGRP_AFI,
- HWGRP_AVPC,
- HWGRP_DC,
- HWGRP_DCB,
- HWGRP_EPP,
- HWGRP_G2,
- HWGRP_HC,
- HWGRP_HDA,
- HWGRP_ISP,
- HWGRP_MPE,
- HWGRP_NV,
- HWGRP_NV2,
- HWGRP_PPCS,
- HWGRP_SATA,
- HWGRP_VDE,
- HWGRP_VI,
-
- HWGRP_COUNT,
-
- HWGRP_END = ~0,
-};
-
-#define HWG_AFI (1 << HWGRP_AFI)
-#define HWG_AVPC (1 << HWGRP_AVPC)
-#define HWG_DC (1 << HWGRP_DC)
-#define HWG_DCB (1 << HWGRP_DCB)
-#define HWG_EPP (1 << HWGRP_EPP)
-#define HWG_G2 (1 << HWGRP_G2)
-#define HWG_HC (1 << HWGRP_HC)
-#define HWG_HDA (1 << HWGRP_HDA)
-#define HWG_ISP (1 << HWGRP_ISP)
-#define HWG_MPE (1 << HWGRP_MPE)
-#define HWG_NV (1 << HWGRP_NV)
-#define HWG_NV2 (1 << HWGRP_NV2)
-#define HWG_PPCS (1 << HWGRP_PPCS)
-#define HWG_SATA (1 << HWGRP_SATA)
-#define HWG_VDE (1 << HWGRP_VDE)
-#define HWG_VI (1 << HWGRP_VI)
-
/* bitmap of the page sizes currently supported */
#define SMMU_IOMMU_PGSIZES (SZ_4K)
@@ -150,21 +110,7 @@ enum {
#define SMMU_TRANSLATION_ENABLE_2 0x230
#define SMMU_AFI_ASID 0x238 /* PCIE */
-#define SMMU_AVPC_ASID 0x23c /* AVP */
-#define SMMU_DC_ASID 0x240 /* Display controller */
-#define SMMU_DCB_ASID 0x244 /* Display controller B */
-#define SMMU_EPP_ASID 0x248 /* Encoder pre-processor */
-#define SMMU_G2_ASID 0x24c /* 2D engine */
-#define SMMU_HC_ASID 0x250 /* Host1x */
-#define SMMU_HDA_ASID 0x254 /* High-def audio */
-#define SMMU_ISP_ASID 0x258 /* Image signal processor */
-#define SMMU_MPE_ASID 0x264 /* MPEG encoder */
-#define SMMU_NV_ASID 0x268 /* (3D) */
-#define SMMU_NV2_ASID 0x26c /* (3D) */
-#define SMMU_PPCS_ASID 0x270 /* AHB */
-#define SMMU_SATA_ASID 0x278 /* SATA */
-#define SMMU_VDE_ASID 0x27c /* Video decoder */
-#define SMMU_VI_ASID 0x280 /* Video input */
+#define SMMU_SWGRP_ASID_BASE SMMU_AFI_ASID
#define SMMU_PDE_NEXT_SHIFT 28
@@ -236,26 +182,6 @@ enum {
#define __smmu_client_enable_hwgrp(c, m) __smmu_client_set_hwgrp(c, m, 1)
#define __smmu_client_disable_hwgrp(c) __smmu_client_set_hwgrp(c, 0, 0)
-#define HWGRP_INIT(client) [HWGRP_##client] = SMMU_##client##_ASID
-
-static const u32 smmu_hwgrp_asid_reg[] = {
- HWGRP_INIT(AFI),
- HWGRP_INIT(AVPC),
- HWGRP_INIT(DC),
- HWGRP_INIT(DCB),
- HWGRP_INIT(EPP),
- HWGRP_INIT(G2),
- HWGRP_INIT(HC),
- HWGRP_INIT(HDA),
- HWGRP_INIT(ISP),
- HWGRP_INIT(MPE),
- HWGRP_INIT(NV),
- HWGRP_INIT(NV2),
- HWGRP_INIT(PPCS),
- HWGRP_INIT(SATA),
- HWGRP_INIT(VDE),
- HWGRP_INIT(VI),
-};
#define HWGRP_ASID_REG(x) ((x) * sizeof(u32) + SMMU_AFI_ASID)
/*
@@ -1353,7 +1279,7 @@ static void __exit tegra_smmu_exit(void)
core_initcall(tegra_smmu_init);
module_exit(tegra_smmu_exit);
-MODULE_DESCRIPTION("IOMMU API for SMMU in Tegra30");
+MODULE_DESCRIPTION("IOMMU API for SMMU in Tegra SoC");
MODULE_AUTHOR("Hiroshi DOYU <hdoyu@xxxxxxxxxx>");
MODULE_ALIAS("platform:tegra-smmu");
MODULE_LICENSE("GPL v2");
--
1.8.1.5
--
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