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-rw-r--r--drivers/memory/tegra/tegra30.c1403
1 files changed, 1403 insertions, 0 deletions
diff --git a/drivers/memory/tegra/tegra30.c b/drivers/memory/tegra/tegra30.c
new file mode 100644
index 000000000..06f8b35e0
--- /dev/null
+++ b/drivers/memory/tegra/tegra30.c
@@ -0,0 +1,1403 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2014 NVIDIA CORPORATION. All rights reserved.
+ */
+
+#include <linux/device.h>
+#include <linux/of.h>
+#include <linux/slab.h>
+
+#include <dt-bindings/memory/tegra30-mc.h>
+
+#include "mc.h"
+
+static const unsigned long tegra30_mc_emem_regs[] = {
+ MC_EMEM_ARB_CFG,
+ MC_EMEM_ARB_OUTSTANDING_REQ,
+ MC_EMEM_ARB_TIMING_RCD,
+ MC_EMEM_ARB_TIMING_RP,
+ MC_EMEM_ARB_TIMING_RC,
+ MC_EMEM_ARB_TIMING_RAS,
+ MC_EMEM_ARB_TIMING_FAW,
+ MC_EMEM_ARB_TIMING_RRD,
+ MC_EMEM_ARB_TIMING_RAP2PRE,
+ MC_EMEM_ARB_TIMING_WAP2PRE,
+ MC_EMEM_ARB_TIMING_R2R,
+ MC_EMEM_ARB_TIMING_W2W,
+ MC_EMEM_ARB_TIMING_R2W,
+ MC_EMEM_ARB_TIMING_W2R,
+ MC_EMEM_ARB_DA_TURNS,
+ MC_EMEM_ARB_DA_COVERS,
+ MC_EMEM_ARB_MISC0,
+ MC_EMEM_ARB_RING1_THROTTLE,
+};
+
+static const struct tegra_mc_client tegra30_mc_clients[] = {
+ {
+ .id = 0x00,
+ .name = "ptcr",
+ .swgroup = TEGRA_SWGROUP_PTC,
+ .regs = {
+ .la = {
+ .reg = 0x34c,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0x0,
+ },
+ },
+ .fifo_size = 16 * 2,
+ }, {
+ .id = 0x01,
+ .name = "display0a",
+ .swgroup = TEGRA_SWGROUP_DC,
+ .regs = {
+ .smmu = {
+ .reg = 0x228,
+ .bit = 1,
+ },
+ .la = {
+ .reg = 0x2e8,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0x4e,
+ },
+ },
+ .fifo_size = 16 * 128,
+ }, {
+ .id = 0x02,
+ .name = "display0ab",
+ .swgroup = TEGRA_SWGROUP_DCB,
+ .regs = {
+ .smmu = {
+ .reg = 0x228,
+ .bit = 2,
+ },
+ .la = {
+ .reg = 0x2f4,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0x4e,
+ },
+ },
+ .fifo_size = 16 * 128,
+ }, {
+ .id = 0x03,
+ .name = "display0b",
+ .swgroup = TEGRA_SWGROUP_DC,
+ .regs = {
+ .smmu = {
+ .reg = 0x228,
+ .bit = 3,
+ },
+ .la = {
+ .reg = 0x2e8,
+ .shift = 16,
+ .mask = 0xff,
+ .def = 0x4e,
+ },
+ },
+ .fifo_size = 16 * 64,
+ }, {
+ .id = 0x04,
+ .name = "display0bb",
+ .swgroup = TEGRA_SWGROUP_DCB,
+ .regs = {
+ .smmu = {
+ .reg = 0x228,
+ .bit = 4,
+ },
+ .la = {
+ .reg = 0x2f4,
+ .shift = 16,
+ .mask = 0xff,
+ .def = 0x4e,
+ },
+ },
+ .fifo_size = 16 * 64,
+ }, {
+ .id = 0x05,
+ .name = "display0c",
+ .swgroup = TEGRA_SWGROUP_DC,
+ .regs = {
+ .smmu = {
+ .reg = 0x228,
+ .bit = 5,
+ },
+ .la = {
+ .reg = 0x2ec,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0x4e,
+ },
+ },
+ .fifo_size = 16 * 128,
+ }, {
+ .id = 0x06,
+ .name = "display0cb",
+ .swgroup = TEGRA_SWGROUP_DCB,
+ .regs = {
+ .smmu = {
+ .reg = 0x228,
+ .bit = 6,
+ },
+ .la = {
+ .reg = 0x2f8,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0x4e,
+ },
+ },
+ .fifo_size = 16 * 128,
+ }, {
+ .id = 0x07,
+ .name = "display1b",
+ .swgroup = TEGRA_SWGROUP_DC,
+ .regs = {
+ .smmu = {
+ .reg = 0x228,
+ .bit = 7,
+ },
+ .la = {
+ .reg = 0x2ec,
+ .shift = 16,
+ .mask = 0xff,
+ .def = 0x4e,
+ },
+ },
+ .fifo_size = 16 * 64,
+ }, {
+ .id = 0x08,
+ .name = "display1bb",
+ .swgroup = TEGRA_SWGROUP_DCB,
+ .regs = {
+ .smmu = {
+ .reg = 0x228,
+ .bit = 8,
+ },
+ .la = {
+ .reg = 0x2f8,
+ .shift = 16,
+ .mask = 0xff,
+ .def = 0x4e,
+ },
+ },
+ .fifo_size = 16 * 64,
+ }, {
+ .id = 0x09,
+ .name = "eppup",
+ .swgroup = TEGRA_SWGROUP_EPP,
+ .regs = {
+ .smmu = {
+ .reg = 0x228,
+ .bit = 9,
+ },
+ .la = {
+ .reg = 0x300,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0x17,
+ },
+ },
+ .fifo_size = 16 * 8,
+ }, {
+ .id = 0x0a,
+ .name = "g2pr",
+ .swgroup = TEGRA_SWGROUP_G2,
+ .regs = {
+ .smmu = {
+ .reg = 0x228,
+ .bit = 10,
+ },
+ .la = {
+ .reg = 0x308,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0x09,
+ },
+ },
+ .fifo_size = 16 * 64,
+ }, {
+ .id = 0x0b,
+ .name = "g2sr",
+ .swgroup = TEGRA_SWGROUP_G2,
+ .regs = {
+ .smmu = {
+ .reg = 0x228,
+ .bit = 11,
+ },
+ .la = {
+ .reg = 0x308,
+ .shift = 16,
+ .mask = 0xff,
+ .def = 0x09,
+ },
+ },
+ .fifo_size = 16 * 64,
+ }, {
+ .id = 0x0c,
+ .name = "mpeunifbr",
+ .swgroup = TEGRA_SWGROUP_MPE,
+ .regs = {
+ .smmu = {
+ .reg = 0x228,
+ .bit = 12,
+ },
+ .la = {
+ .reg = 0x328,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0x50,
+ },
+ },
+ .fifo_size = 16 * 8,
+ }, {
+ .id = 0x0d,
+ .name = "viruv",
+ .swgroup = TEGRA_SWGROUP_VI,
+ .regs = {
+ .smmu = {
+ .reg = 0x228,
+ .bit = 13,
+ },
+ .la = {
+ .reg = 0x364,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0x2c,
+ },
+ },
+ .fifo_size = 16 * 8,
+ }, {
+ .id = 0x0e,
+ .name = "afir",
+ .swgroup = TEGRA_SWGROUP_AFI,
+ .regs = {
+ .smmu = {
+ .reg = 0x228,
+ .bit = 14,
+ },
+ .la = {
+ .reg = 0x2e0,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0x10,
+ },
+ },
+ .fifo_size = 16 * 32,
+ }, {
+ .id = 0x0f,
+ .name = "avpcarm7r",
+ .swgroup = TEGRA_SWGROUP_AVPC,
+ .regs = {
+ .smmu = {
+ .reg = 0x228,
+ .bit = 15,
+ },
+ .la = {
+ .reg = 0x2e4,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0x04,
+ },
+ },
+ .fifo_size = 16 * 2,
+ }, {
+ .id = 0x10,
+ .name = "displayhc",
+ .swgroup = TEGRA_SWGROUP_DC,
+ .regs = {
+ .smmu = {
+ .reg = 0x228,
+ .bit = 16,
+ },
+ .la = {
+ .reg = 0x2f0,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0xff,
+ },
+ },
+ .fifo_size = 16 * 2,
+ }, {
+ .id = 0x11,
+ .name = "displayhcb",
+ .swgroup = TEGRA_SWGROUP_DCB,
+ .regs = {
+ .smmu = {
+ .reg = 0x228,
+ .bit = 17,
+ },
+ .la = {
+ .reg = 0x2fc,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0xff,
+ },
+ },
+ .fifo_size = 16 * 2,
+ }, {
+ .id = 0x12,
+ .name = "fdcdrd",
+ .swgroup = TEGRA_SWGROUP_NV,
+ .regs = {
+ .smmu = {
+ .reg = 0x228,
+ .bit = 18,
+ },
+ .la = {
+ .reg = 0x334,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0x0a,
+ },
+ },
+ .fifo_size = 16 * 48,
+ }, {
+ .id = 0x13,
+ .name = "fdcdrd2",
+ .swgroup = TEGRA_SWGROUP_NV2,
+ .regs = {
+ .smmu = {
+ .reg = 0x228,
+ .bit = 19,
+ },
+ .la = {
+ .reg = 0x33c,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0x0a,
+ },
+ },
+ .fifo_size = 16 * 48,
+ }, {
+ .id = 0x14,
+ .name = "g2dr",
+ .swgroup = TEGRA_SWGROUP_G2,
+ .regs = {
+ .smmu = {
+ .reg = 0x228,
+ .bit = 20,
+ },
+ .la = {
+ .reg = 0x30c,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0x0a,
+ },
+ },
+ .fifo_size = 16 * 48,
+ }, {
+ .id = 0x15,
+ .name = "hdar",
+ .swgroup = TEGRA_SWGROUP_HDA,
+ .regs = {
+ .smmu = {
+ .reg = 0x228,
+ .bit = 21,
+ },
+ .la = {
+ .reg = 0x318,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0xff,
+ },
+ },
+ .fifo_size = 16 * 16,
+ }, {
+ .id = 0x16,
+ .name = "host1xdmar",
+ .swgroup = TEGRA_SWGROUP_HC,
+ .regs = {
+ .smmu = {
+ .reg = 0x228,
+ .bit = 22,
+ },
+ .la = {
+ .reg = 0x310,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0x05,
+ },
+ },
+ .fifo_size = 16 * 16,
+ }, {
+ .id = 0x17,
+ .name = "host1xr",
+ .swgroup = TEGRA_SWGROUP_HC,
+ .regs = {
+ .smmu = {
+ .reg = 0x228,
+ .bit = 23,
+ },
+ .la = {
+ .reg = 0x310,
+ .shift = 16,
+ .mask = 0xff,
+ .def = 0x50,
+ },
+ },
+ .fifo_size = 16 * 8,
+ }, {
+ .id = 0x18,
+ .name = "idxsrd",
+ .swgroup = TEGRA_SWGROUP_NV,
+ .regs = {
+ .smmu = {
+ .reg = 0x228,
+ .bit = 24,
+ },
+ .la = {
+ .reg = 0x334,
+ .shift = 16,
+ .mask = 0xff,
+ .def = 0x13,
+ },
+ },
+ .fifo_size = 16 * 64,
+ }, {
+ .id = 0x19,
+ .name = "idxsrd2",
+ .swgroup = TEGRA_SWGROUP_NV2,
+ .regs = {
+ .smmu = {
+ .reg = 0x228,
+ .bit = 25,
+ },
+ .la = {
+ .reg = 0x33c,
+ .shift = 16,
+ .mask = 0xff,
+ .def = 0x13,
+ },
+ },
+ .fifo_size = 16 * 64,
+ }, {
+ .id = 0x1a,
+ .name = "mpe_ipred",
+ .swgroup = TEGRA_SWGROUP_MPE,
+ .regs = {
+ .smmu = {
+ .reg = 0x228,
+ .bit = 26,
+ },
+ .la = {
+ .reg = 0x328,
+ .shift = 16,
+ .mask = 0xff,
+ .def = 0x80,
+ },
+ },
+ .fifo_size = 16 * 2,
+ }, {
+ .id = 0x1b,
+ .name = "mpeamemrd",
+ .swgroup = TEGRA_SWGROUP_MPE,
+ .regs = {
+ .smmu = {
+ .reg = 0x228,
+ .bit = 27,
+ },
+ .la = {
+ .reg = 0x32c,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0x42,
+ },
+ },
+ .fifo_size = 16 * 64,
+ }, {
+ .id = 0x1c,
+ .name = "mpecsrd",
+ .swgroup = TEGRA_SWGROUP_MPE,
+ .regs = {
+ .smmu = {
+ .reg = 0x228,
+ .bit = 28,
+ },
+ .la = {
+ .reg = 0x32c,
+ .shift = 16,
+ .mask = 0xff,
+ .def = 0xff,
+ },
+ },
+ .fifo_size = 16 * 8,
+ }, {
+ .id = 0x1d,
+ .name = "ppcsahbdmar",
+ .swgroup = TEGRA_SWGROUP_PPCS,
+ .regs = {
+ .smmu = {
+ .reg = 0x228,
+ .bit = 29,
+ },
+ .la = {
+ .reg = 0x344,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0x10,
+ },
+ },
+ .fifo_size = 16 * 2,
+ }, {
+ .id = 0x1e,
+ .name = "ppcsahbslvr",
+ .swgroup = TEGRA_SWGROUP_PPCS,
+ .regs = {
+ .smmu = {
+ .reg = 0x228,
+ .bit = 30,
+ },
+ .la = {
+ .reg = 0x344,
+ .shift = 16,
+ .mask = 0xff,
+ .def = 0x12,
+ },
+ },
+ .fifo_size = 16 * 8,
+ }, {
+ .id = 0x1f,
+ .name = "satar",
+ .swgroup = TEGRA_SWGROUP_SATA,
+ .regs = {
+ .smmu = {
+ .reg = 0x228,
+ .bit = 31,
+ },
+ .la = {
+ .reg = 0x350,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0x33,
+ },
+ },
+ .fifo_size = 16 * 32,
+ }, {
+ .id = 0x20,
+ .name = "texsrd",
+ .swgroup = TEGRA_SWGROUP_NV,
+ .regs = {
+ .smmu = {
+ .reg = 0x22c,
+ .bit = 0,
+ },
+ .la = {
+ .reg = 0x338,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0x13,
+ },
+ },
+ .fifo_size = 16 * 64,
+ }, {
+ .id = 0x21,
+ .name = "texsrd2",
+ .swgroup = TEGRA_SWGROUP_NV2,
+ .regs = {
+ .smmu = {
+ .reg = 0x22c,
+ .bit = 1,
+ },
+ .la = {
+ .reg = 0x340,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0x13,
+ },
+ },
+ .fifo_size = 16 * 64,
+ }, {
+ .id = 0x22,
+ .name = "vdebsevr",
+ .swgroup = TEGRA_SWGROUP_VDE,
+ .regs = {
+ .smmu = {
+ .reg = 0x22c,
+ .bit = 2,
+ },
+ .la = {
+ .reg = 0x354,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0xff,
+ },
+ },
+ .fifo_size = 16 * 8,
+ }, {
+ .id = 0x23,
+ .name = "vdember",
+ .swgroup = TEGRA_SWGROUP_VDE,
+ .regs = {
+ .smmu = {
+ .reg = 0x22c,
+ .bit = 3,
+ },
+ .la = {
+ .reg = 0x354,
+ .shift = 16,
+ .mask = 0xff,
+ .def = 0xd0,
+ },
+ },
+ .fifo_size = 16 * 4,
+ }, {
+ .id = 0x24,
+ .name = "vdemcer",
+ .swgroup = TEGRA_SWGROUP_VDE,
+ .regs = {
+ .smmu = {
+ .reg = 0x22c,
+ .bit = 4,
+ },
+ .la = {
+ .reg = 0x358,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0x2a,
+ },
+ },
+ .fifo_size = 16 * 16,
+ }, {
+ .id = 0x25,
+ .name = "vdetper",
+ .swgroup = TEGRA_SWGROUP_VDE,
+ .regs = {
+ .smmu = {
+ .reg = 0x22c,
+ .bit = 5,
+ },
+ .la = {
+ .reg = 0x358,
+ .shift = 16,
+ .mask = 0xff,
+ .def = 0x74,
+ },
+ },
+ .fifo_size = 16 * 16,
+ }, {
+ .id = 0x26,
+ .name = "mpcorelpr",
+ .swgroup = TEGRA_SWGROUP_MPCORELP,
+ .regs = {
+ .la = {
+ .reg = 0x324,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0x04,
+ },
+ },
+ .fifo_size = 16 * 14,
+ }, {
+ .id = 0x27,
+ .name = "mpcorer",
+ .swgroup = TEGRA_SWGROUP_MPCORE,
+ .regs = {
+ .la = {
+ .reg = 0x320,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0x04,
+ },
+ },
+ .fifo_size = 16 * 14,
+ }, {
+ .id = 0x28,
+ .name = "eppu",
+ .swgroup = TEGRA_SWGROUP_EPP,
+ .regs = {
+ .smmu = {
+ .reg = 0x22c,
+ .bit = 8,
+ },
+ .la = {
+ .reg = 0x300,
+ .shift = 16,
+ .mask = 0xff,
+ .def = 0x6c,
+ },
+ },
+ .fifo_size = 16 * 64,
+ }, {
+ .id = 0x29,
+ .name = "eppv",
+ .swgroup = TEGRA_SWGROUP_EPP,
+ .regs = {
+ .smmu = {
+ .reg = 0x22c,
+ .bit = 9,
+ },
+ .la = {
+ .reg = 0x304,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0x6c,
+ },
+ },
+ .fifo_size = 16 * 64,
+ }, {
+ .id = 0x2a,
+ .name = "eppy",
+ .swgroup = TEGRA_SWGROUP_EPP,
+ .regs = {
+ .smmu = {
+ .reg = 0x22c,
+ .bit = 10,
+ },
+ .la = {
+ .reg = 0x304,
+ .shift = 16,
+ .mask = 0xff,
+ .def = 0x6c,
+ },
+ },
+ .fifo_size = 16 * 64,
+ }, {
+ .id = 0x2b,
+ .name = "mpeunifbw",
+ .swgroup = TEGRA_SWGROUP_MPE,
+ .regs = {
+ .smmu = {
+ .reg = 0x22c,
+ .bit = 11,
+ },
+ .la = {
+ .reg = 0x330,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0x13,
+ },
+ },
+ .fifo_size = 16 * 8,
+ }, {
+ .id = 0x2c,
+ .name = "viwsb",
+ .swgroup = TEGRA_SWGROUP_VI,
+ .regs = {
+ .smmu = {
+ .reg = 0x22c,
+ .bit = 12,
+ },
+ .la = {
+ .reg = 0x364,
+ .shift = 16,
+ .mask = 0xff,
+ .def = 0x12,
+ },
+ },
+ .fifo_size = 16 * 64,
+ }, {
+ .id = 0x2d,
+ .name = "viwu",
+ .swgroup = TEGRA_SWGROUP_VI,
+ .regs = {
+ .smmu = {
+ .reg = 0x22c,
+ .bit = 13,
+ },
+ .la = {
+ .reg = 0x368,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0xb2,
+ },
+ },
+ .fifo_size = 16 * 64,
+ }, {
+ .id = 0x2e,
+ .name = "viwv",
+ .swgroup = TEGRA_SWGROUP_VI,
+ .regs = {
+ .smmu = {
+ .reg = 0x22c,
+ .bit = 14,
+ },
+ .la = {
+ .reg = 0x368,
+ .shift = 16,
+ .mask = 0xff,
+ .def = 0xb2,
+ },
+ },
+ .fifo_size = 16 * 64,
+ }, {
+ .id = 0x2f,
+ .name = "viwy",
+ .swgroup = TEGRA_SWGROUP_VI,
+ .regs = {
+ .smmu = {
+ .reg = 0x22c,
+ .bit = 15,
+ },
+ .la = {
+ .reg = 0x36c,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0x12,
+ },
+ },
+ .fifo_size = 16 * 64,
+ }, {
+ .id = 0x30,
+ .name = "g2dw",
+ .swgroup = TEGRA_SWGROUP_G2,
+ .regs = {
+ .smmu = {
+ .reg = 0x22c,
+ .bit = 16,
+ },
+ .la = {
+ .reg = 0x30c,
+ .shift = 16,
+ .mask = 0xff,
+ .def = 0x9,
+ },
+ },
+ .fifo_size = 16 * 128,
+ }, {
+ .id = 0x31,
+ .name = "afiw",
+ .swgroup = TEGRA_SWGROUP_AFI,
+ .regs = {
+ .smmu = {
+ .reg = 0x22c,
+ .bit = 17,
+ },
+ .la = {
+ .reg = 0x2e0,
+ .shift = 16,
+ .mask = 0xff,
+ .def = 0x0c,
+ },
+ },
+ .fifo_size = 16 * 32,
+ }, {
+ .id = 0x32,
+ .name = "avpcarm7w",
+ .swgroup = TEGRA_SWGROUP_AVPC,
+ .regs = {
+ .smmu = {
+ .reg = 0x22c,
+ .bit = 18,
+ },
+ .la = {
+ .reg = 0x2e4,
+ .shift = 16,
+ .mask = 0xff,
+ .def = 0x0e,
+ },
+ },
+ .fifo_size = 16 * 2,
+ }, {
+ .id = 0x33,
+ .name = "fdcdwr",
+ .swgroup = TEGRA_SWGROUP_NV,
+ .regs = {
+ .smmu = {
+ .reg = 0x22c,
+ .bit = 19,
+ },
+ .la = {
+ .reg = 0x338,
+ .shift = 16,
+ .mask = 0xff,
+ .def = 0x0a,
+ },
+ },
+ .fifo_size = 16 * 48,
+ }, {
+ .id = 0x34,
+ .name = "fdcdwr2",
+ .swgroup = TEGRA_SWGROUP_NV2,
+ .regs = {
+ .smmu = {
+ .reg = 0x22c,
+ .bit = 20,
+ },
+ .la = {
+ .reg = 0x340,
+ .shift = 16,
+ .mask = 0xff,
+ .def = 0x0a,
+ },
+ },
+ .fifo_size = 16 * 48,
+ }, {
+ .id = 0x35,
+ .name = "hdaw",
+ .swgroup = TEGRA_SWGROUP_HDA,
+ .regs = {
+ .smmu = {
+ .reg = 0x22c,
+ .bit = 21,
+ },
+ .la = {
+ .reg = 0x318,
+ .shift = 16,
+ .mask = 0xff,
+ .def = 0xff,
+ },
+ },
+ .fifo_size = 16 * 16,
+ }, {
+ .id = 0x36,
+ .name = "host1xw",
+ .swgroup = TEGRA_SWGROUP_HC,
+ .regs = {
+ .smmu = {
+ .reg = 0x22c,
+ .bit = 22,
+ },
+ .la = {
+ .reg = 0x314,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0x10,
+ },
+ },
+ .fifo_size = 16 * 32,
+ }, {
+ .id = 0x37,
+ .name = "ispw",
+ .swgroup = TEGRA_SWGROUP_ISP,
+ .regs = {
+ .smmu = {
+ .reg = 0x22c,
+ .bit = 23,
+ },
+ .la = {
+ .reg = 0x31c,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0xff,
+ },
+ },
+ .fifo_size = 16 * 64,
+ }, {
+ .id = 0x38,
+ .name = "mpcorelpw",
+ .swgroup = TEGRA_SWGROUP_MPCORELP,
+ .regs = {
+ .la = {
+ .reg = 0x324,
+ .shift = 16,
+ .mask = 0xff,
+ .def = 0x0e,
+ },
+ },
+ .fifo_size = 16 * 24,
+ }, {
+ .id = 0x39,
+ .name = "mpcorew",
+ .swgroup = TEGRA_SWGROUP_MPCORE,
+ .regs = {
+ .la = {
+ .reg = 0x320,
+ .shift = 16,
+ .mask = 0xff,
+ .def = 0x0e,
+ },
+ },
+ .fifo_size = 16 * 24,
+ }, {
+ .id = 0x3a,
+ .name = "mpecswr",
+ .swgroup = TEGRA_SWGROUP_MPE,
+ .regs = {
+ .smmu = {
+ .reg = 0x22c,
+ .bit = 26,
+ },
+ .la = {
+ .reg = 0x330,
+ .shift = 16,
+ .mask = 0xff,
+ .def = 0xff,
+ },
+ },
+ .fifo_size = 16 * 8,
+ }, {
+ .id = 0x3b,
+ .name = "ppcsahbdmaw",
+ .swgroup = TEGRA_SWGROUP_PPCS,
+ .regs = {
+ .smmu = {
+ .reg = 0x22c,
+ .bit = 27,
+ },
+ .la = {
+ .reg = 0x348,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0x10,
+ },
+ },
+ .fifo_size = 16 * 2,
+ }, {
+ .id = 0x3c,
+ .name = "ppcsahbslvw",
+ .swgroup = TEGRA_SWGROUP_PPCS,
+ .regs = {
+ .smmu = {
+ .reg = 0x22c,
+ .bit = 28,
+ },
+ .la = {
+ .reg = 0x348,
+ .shift = 16,
+ .mask = 0xff,
+ .def = 0x06,
+ },
+ },
+ .fifo_size = 16 * 4,
+ }, {
+ .id = 0x3d,
+ .name = "sataw",
+ .swgroup = TEGRA_SWGROUP_SATA,
+ .regs = {
+ .smmu = {
+ .reg = 0x22c,
+ .bit = 29,
+ },
+ .la = {
+ .reg = 0x350,
+ .shift = 16,
+ .mask = 0xff,
+ .def = 0x33,
+ },
+ },
+ .fifo_size = 16 * 32,
+ }, {
+ .id = 0x3e,
+ .name = "vdebsevw",
+ .swgroup = TEGRA_SWGROUP_VDE,
+ .regs = {
+ .smmu = {
+ .reg = 0x22c,
+ .bit = 30,
+ },
+ .la = {
+ .reg = 0x35c,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0xff,
+ },
+ },
+ .fifo_size = 16 * 4,
+ }, {
+ .id = 0x3f,
+ .name = "vdedbgw",
+ .swgroup = TEGRA_SWGROUP_VDE,
+ .regs = {
+ .smmu = {
+ .reg = 0x22c,
+ .bit = 31,
+ },
+ .la = {
+ .reg = 0x35c,
+ .shift = 16,
+ .mask = 0xff,
+ .def = 0xff,
+ },
+ },
+ .fifo_size = 16 * 16,
+ }, {
+ .id = 0x40,
+ .name = "vdembew",
+ .swgroup = TEGRA_SWGROUP_VDE,
+ .regs = {
+ .smmu = {
+ .reg = 0x230,
+ .bit = 0,
+ },
+ .la = {
+ .reg = 0x360,
+ .shift = 0,
+ .mask = 0xff,
+ .def = 0x42,
+ },
+ },
+ .fifo_size = 16 * 2,
+ }, {
+ .id = 0x41,
+ .name = "vdetpmw",
+ .swgroup = TEGRA_SWGROUP_VDE,
+ .regs = {
+ .smmu = {
+ .reg = 0x230,
+ .bit = 1,
+ },
+ .la = {
+ .reg = 0x360,
+ .shift = 16,
+ .mask = 0xff,
+ .def = 0x2a,
+ },
+ },
+ .fifo_size = 16 * 16,
+ },
+};
+
+static const struct tegra_smmu_swgroup tegra30_swgroups[] = {
+ { .name = "dc", .swgroup = TEGRA_SWGROUP_DC, .reg = 0x240 },
+ { .name = "dcb", .swgroup = TEGRA_SWGROUP_DCB, .reg = 0x244 },
+ { .name = "epp", .swgroup = TEGRA_SWGROUP_EPP, .reg = 0x248 },
+ { .name = "g2", .swgroup = TEGRA_SWGROUP_G2, .reg = 0x24c },
+ { .name = "mpe", .swgroup = TEGRA_SWGROUP_MPE, .reg = 0x264 },
+ { .name = "vi", .swgroup = TEGRA_SWGROUP_VI, .reg = 0x280 },
+ { .name = "afi", .swgroup = TEGRA_SWGROUP_AFI, .reg = 0x238 },
+ { .name = "avpc", .swgroup = TEGRA_SWGROUP_AVPC, .reg = 0x23c },
+ { .name = "nv", .swgroup = TEGRA_SWGROUP_NV, .reg = 0x268 },
+ { .name = "nv2", .swgroup = TEGRA_SWGROUP_NV2, .reg = 0x26c },
+ { .name = "hda", .swgroup = TEGRA_SWGROUP_HDA, .reg = 0x254 },
+ { .name = "hc", .swgroup = TEGRA_SWGROUP_HC, .reg = 0x250 },
+ { .name = "ppcs", .swgroup = TEGRA_SWGROUP_PPCS, .reg = 0x270 },
+ { .name = "sata", .swgroup = TEGRA_SWGROUP_SATA, .reg = 0x278 },
+ { .name = "vde", .swgroup = TEGRA_SWGROUP_VDE, .reg = 0x27c },
+ { .name = "isp", .swgroup = TEGRA_SWGROUP_ISP, .reg = 0x258 },
+};
+
+static const unsigned int tegra30_group_drm[] = {
+ TEGRA_SWGROUP_DC,
+ TEGRA_SWGROUP_DCB,
+ TEGRA_SWGROUP_G2,
+ TEGRA_SWGROUP_NV,
+ TEGRA_SWGROUP_NV2,
+};
+
+static const struct tegra_smmu_group_soc tegra30_groups[] = {
+ {
+ .name = "drm",
+ .swgroups = tegra30_group_drm,
+ .num_swgroups = ARRAY_SIZE(tegra30_group_drm),
+ },
+};
+
+static const struct tegra_smmu_soc tegra30_smmu_soc = {
+ .clients = tegra30_mc_clients,
+ .num_clients = ARRAY_SIZE(tegra30_mc_clients),
+ .swgroups = tegra30_swgroups,
+ .num_swgroups = ARRAY_SIZE(tegra30_swgroups),
+ .groups = tegra30_groups,
+ .num_groups = ARRAY_SIZE(tegra30_groups),
+ .supports_round_robin_arbitration = false,
+ .supports_request_limit = false,
+ .num_tlb_lines = 16,
+ .num_asids = 4,
+};
+
+#define TEGRA30_MC_RESET(_name, _control, _status, _bit) \
+ { \
+ .name = #_name, \
+ .id = TEGRA30_MC_RESET_##_name, \
+ .control = _control, \
+ .status = _status, \
+ .bit = _bit, \
+ }
+
+static const struct tegra_mc_reset tegra30_mc_resets[] = {
+ TEGRA30_MC_RESET(AFI, 0x200, 0x204, 0),
+ TEGRA30_MC_RESET(AVPC, 0x200, 0x204, 1),
+ TEGRA30_MC_RESET(DC, 0x200, 0x204, 2),
+ TEGRA30_MC_RESET(DCB, 0x200, 0x204, 3),
+ TEGRA30_MC_RESET(EPP, 0x200, 0x204, 4),
+ TEGRA30_MC_RESET(2D, 0x200, 0x204, 5),
+ TEGRA30_MC_RESET(HC, 0x200, 0x204, 6),
+ TEGRA30_MC_RESET(HDA, 0x200, 0x204, 7),
+ TEGRA30_MC_RESET(ISP, 0x200, 0x204, 8),
+ TEGRA30_MC_RESET(MPCORE, 0x200, 0x204, 9),
+ TEGRA30_MC_RESET(MPCORELP, 0x200, 0x204, 10),
+ TEGRA30_MC_RESET(MPE, 0x200, 0x204, 11),
+ TEGRA30_MC_RESET(3D, 0x200, 0x204, 12),
+ TEGRA30_MC_RESET(3D2, 0x200, 0x204, 13),
+ TEGRA30_MC_RESET(PPCS, 0x200, 0x204, 14),
+ TEGRA30_MC_RESET(SATA, 0x200, 0x204, 15),
+ TEGRA30_MC_RESET(VDE, 0x200, 0x204, 16),
+ TEGRA30_MC_RESET(VI, 0x200, 0x204, 17),
+};
+
+static void tegra30_mc_tune_client_latency(struct tegra_mc *mc,
+ const struct tegra_mc_client *client,
+ unsigned int bandwidth_mbytes_sec)
+{
+ u32 arb_tolerance_compensation_nsec, arb_tolerance_compensation_div;
+ unsigned int fifo_size = client->fifo_size;
+ u32 arb_nsec, la_ticks, value;
+
+ /* see 18.4.1 Client Configuration in Tegra3 TRM v03p */
+ if (bandwidth_mbytes_sec)
+ arb_nsec = fifo_size * NSEC_PER_USEC / bandwidth_mbytes_sec;
+ else
+ arb_nsec = U32_MAX;
+
+ /*
+ * Latency allowness should be set with consideration for the module's
+ * latency tolerance and internal buffering capabilities.
+ *
+ * Display memory clients use isochronous transfers and have very low
+ * tolerance to a belated transfers. Hence we need to compensate the
+ * memory arbitration imperfection for them in order to prevent FIFO
+ * underflow condition when memory bus is busy.
+ *
+ * VI clients also need a stronger compensation.
+ */
+ switch (client->swgroup) {
+ case TEGRA_SWGROUP_MPCORE:
+ case TEGRA_SWGROUP_PTC:
+ /*
+ * We always want lower latency for these clients, hence
+ * don't touch them.
+ */
+ return;
+
+ case TEGRA_SWGROUP_DC:
+ case TEGRA_SWGROUP_DCB:
+ arb_tolerance_compensation_nsec = 1050;
+ arb_tolerance_compensation_div = 2;
+ break;
+
+ case TEGRA_SWGROUP_VI:
+ arb_tolerance_compensation_nsec = 1050;
+ arb_tolerance_compensation_div = 1;
+ break;
+
+ default:
+ arb_tolerance_compensation_nsec = 150;
+ arb_tolerance_compensation_div = 1;
+ break;
+ }
+
+ if (arb_nsec > arb_tolerance_compensation_nsec)
+ arb_nsec -= arb_tolerance_compensation_nsec;
+ else
+ arb_nsec = 0;
+
+ arb_nsec /= arb_tolerance_compensation_div;
+
+ /*
+ * Latency allowance is a number of ticks a request from a particular
+ * client may wait in the EMEM arbiter before it becomes a high-priority
+ * request.
+ */
+ la_ticks = arb_nsec / mc->tick;
+ la_ticks = min(la_ticks, client->regs.la.mask);
+
+ value = mc_readl(mc, client->regs.la.reg);
+ value &= ~(client->regs.la.mask << client->regs.la.shift);
+ value |= la_ticks << client->regs.la.shift;
+ mc_writel(mc, value, client->regs.la.reg);
+}
+
+static int tegra30_mc_icc_set(struct icc_node *src, struct icc_node *dst)
+{
+ struct tegra_mc *mc = icc_provider_to_tegra_mc(src->provider);
+ const struct tegra_mc_client *client = &mc->soc->clients[src->id];
+ u64 peak_bandwidth = icc_units_to_bps(src->peak_bw);
+
+ /*
+ * Skip pre-initialization that is done by icc_node_add(), which sets
+ * bandwidth to maximum for all clients before drivers are loaded.
+ *
+ * This doesn't make sense for us because we don't have drivers for all
+ * clients and it's okay to keep configuration left from bootloader
+ * during boot, at least for today.
+ */
+ if (src == dst)
+ return 0;
+
+ /* convert bytes/sec to megabytes/sec */
+ do_div(peak_bandwidth, 1000000);
+
+ tegra30_mc_tune_client_latency(mc, client, peak_bandwidth);
+
+ return 0;
+}
+
+static int tegra30_mc_icc_aggreate(struct icc_node *node, u32 tag, u32 avg_bw,
+ u32 peak_bw, u32 *agg_avg, u32 *agg_peak)
+{
+ /*
+ * ISO clients need to reserve extra bandwidth up-front because
+ * there could be high bandwidth pressure during initial filling
+ * of the client's FIFO buffers. Secondly, we need to take into
+ * account impurities of the memory subsystem.
+ */
+ if (tag & TEGRA_MC_ICC_TAG_ISO)
+ peak_bw = tegra_mc_scale_percents(peak_bw, 400);
+
+ *agg_avg += avg_bw;
+ *agg_peak = max(*agg_peak, peak_bw);
+
+ return 0;
+}
+
+static struct icc_node_data *
+tegra30_mc_of_icc_xlate_extended(struct of_phandle_args *spec, void *data)
+{
+ struct tegra_mc *mc = icc_provider_to_tegra_mc(data);
+ const struct tegra_mc_client *client;
+ unsigned int i, idx = spec->args[0];
+ struct icc_node_data *ndata;
+ struct icc_node *node;
+
+ list_for_each_entry(node, &mc->provider.nodes, node_list) {
+ if (node->id != idx)
+ continue;
+
+ ndata = kzalloc(sizeof(*ndata), GFP_KERNEL);
+ if (!ndata)
+ return ERR_PTR(-ENOMEM);
+
+ client = &mc->soc->clients[idx];
+ ndata->node = node;
+
+ switch (client->swgroup) {
+ case TEGRA_SWGROUP_DC:
+ case TEGRA_SWGROUP_DCB:
+ case TEGRA_SWGROUP_PTC:
+ case TEGRA_SWGROUP_VI:
+ /* these clients are isochronous by default */
+ ndata->tag = TEGRA_MC_ICC_TAG_ISO;
+ break;
+
+ default:
+ ndata->tag = TEGRA_MC_ICC_TAG_DEFAULT;
+ break;
+ }
+
+ return ndata;
+ }
+
+ for (i = 0; i < mc->soc->num_clients; i++) {
+ if (mc->soc->clients[i].id == idx)
+ return ERR_PTR(-EPROBE_DEFER);
+ }
+
+ dev_err(mc->dev, "invalid ICC client ID %u\n", idx);
+
+ return ERR_PTR(-EINVAL);
+}
+
+static const struct tegra_mc_icc_ops tegra30_mc_icc_ops = {
+ .xlate_extended = tegra30_mc_of_icc_xlate_extended,
+ .aggregate = tegra30_mc_icc_aggreate,
+ .set = tegra30_mc_icc_set,
+};
+
+const struct tegra_mc_soc tegra30_mc_soc = {
+ .clients = tegra30_mc_clients,
+ .num_clients = ARRAY_SIZE(tegra30_mc_clients),
+ .num_address_bits = 32,
+ .atom_size = 16,
+ .client_id_mask = 0x7f,
+ .smmu = &tegra30_smmu_soc,
+ .emem_regs = tegra30_mc_emem_regs,
+ .num_emem_regs = ARRAY_SIZE(tegra30_mc_emem_regs),
+ .intmask = MC_INT_INVALID_SMMU_PAGE | MC_INT_SECURITY_VIOLATION |
+ MC_INT_DECERR_EMEM,
+ .reset_ops = &tegra_mc_reset_ops_common,
+ .resets = tegra30_mc_resets,
+ .num_resets = ARRAY_SIZE(tegra30_mc_resets),
+ .icc_ops = &tegra30_mc_icc_ops,
+ .ops = &tegra30_mc_ops,
+};
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-02 16:52:14 +0000