// 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 = 0 x00,
.name = "ptcr" ,
.swgroup = TEGRA_SWGROUP_PTC,
.regs = {
.la = {
.reg = 0 x34c,
.shift = 0 ,
.mask = 0 xff,
.def = 0 x0,
},
},
.fifo_size = 16 * 2 ,
}, {
.id = 0 x01,
.name = "display0a" ,
.swgroup = TEGRA_SWGROUP_DC,
.regs = {
.smmu = {
.reg = 0 x228,
.bit = 1 ,
},
.la = {
.reg = 0 x2e8,
.shift = 0 ,
.mask = 0 xff,
.def = 0 x4e,
},
},
.fifo_size = 16 * 128 ,
}, {
.id = 0 x02,
.name = "display0ab" ,
.swgroup = TEGRA_SWGROUP_DCB,
.regs = {
.smmu = {
.reg = 0 x228,
.bit = 2 ,
},
.la = {
.reg = 0 x2f4,
.shift = 0 ,
.mask = 0 xff,
.def = 0 x4e,
},
},
.fifo_size = 16 * 128 ,
}, {
.id = 0 x03,
.name = "display0b" ,
.swgroup = TEGRA_SWGROUP_DC,
.regs = {
.smmu = {
.reg = 0 x228,
.bit = 3 ,
},
.la = {
.reg = 0 x2e8,
.shift = 16 ,
.mask = 0 xff,
.def = 0 x4e,
},
},
.fifo_size = 16 * 64 ,
}, {
.id = 0 x04,
.name = "display0bb" ,
.swgroup = TEGRA_SWGROUP_DCB,
.regs = {
.smmu = {
.reg = 0 x228,
.bit = 4 ,
},
.la = {
.reg = 0 x2f4,
.shift = 16 ,
.mask = 0 xff,
.def = 0 x4e,
},
},
.fifo_size = 16 * 64 ,
}, {
.id = 0 x05,
.name = "display0c" ,
.swgroup = TEGRA_SWGROUP_DC,
.regs = {
.smmu = {
.reg = 0 x228,
.bit = 5 ,
},
.la = {
.reg = 0 x2ec,
.shift = 0 ,
.mask = 0 xff,
.def = 0 x4e,
},
},
.fifo_size = 16 * 128 ,
}, {
.id = 0 x06,
.name = "display0cb" ,
.swgroup = TEGRA_SWGROUP_DCB,
.regs = {
.smmu = {
.reg = 0 x228,
.bit = 6 ,
},
.la = {
.reg = 0 x2f8,
.shift = 0 ,
.mask = 0 xff,
.def = 0 x4e,
},
},
.fifo_size = 16 * 128 ,
}, {
.id = 0 x07,
.name = "display1b" ,
.swgroup = TEGRA_SWGROUP_DC,
.regs = {
.smmu = {
.reg = 0 x228,
.bit = 7 ,
},
.la = {
.reg = 0 x2ec,
.shift = 16 ,
.mask = 0 xff,
.def = 0 x4e,
},
},
.fifo_size = 16 * 64 ,
}, {
.id = 0 x08,
.name = "display1bb" ,
.swgroup = TEGRA_SWGROUP_DCB,
.regs = {
.smmu = {
.reg = 0 x228,
.bit = 8 ,
},
.la = {
.reg = 0 x2f8,
.shift = 16 ,
.mask = 0 xff,
.def = 0 x4e,
},
},
.fifo_size = 16 * 64 ,
}, {
.id = 0 x09,
.name = "eppup" ,
.swgroup = TEGRA_SWGROUP_EPP,
.regs = {
.smmu = {
.reg = 0 x228,
.bit = 9 ,
},
.la = {
.reg = 0 x300,
.shift = 0 ,
.mask = 0 xff,
.def = 0 x17,
},
},
.fifo_size = 16 * 8 ,
}, {
.id = 0 x0a,
.name = "g2pr" ,
.swgroup = TEGRA_SWGROUP_G2,
.regs = {
.smmu = {
.reg = 0 x228,
.bit = 10 ,
},
.la = {
.reg = 0 x308,
.shift = 0 ,
.mask = 0 xff,
.def = 0 x09,
},
},
.fifo_size = 16 * 64 ,
}, {
.id = 0 x0b,
.name = "g2sr" ,
.swgroup = TEGRA_SWGROUP_G2,
.regs = {
.smmu = {
.reg = 0 x228,
.bit = 11 ,
},
.la = {
.reg = 0 x308,
.shift = 16 ,
.mask = 0 xff,
.def = 0 x09,
},
},
.fifo_size = 16 * 64 ,
}, {
.id = 0 x0c,
.name = "mpeunifbr" ,
.swgroup = TEGRA_SWGROUP_MPE,
.regs = {
.smmu = {
.reg = 0 x228,
.bit = 12 ,
},
.la = {
.reg = 0 x328,
.shift = 0 ,
.mask = 0 xff,
.def = 0 x50,
},
},
.fifo_size = 16 * 8 ,
}, {
.id = 0 x0d,
.name = "viruv" ,
.swgroup = TEGRA_SWGROUP_VI,
.regs = {
.smmu = {
.reg = 0 x228,
.bit = 13 ,
},
.la = {
.reg = 0 x364,
.shift = 0 ,
.mask = 0 xff,
.def = 0 x2c,
},
},
.fifo_size = 16 * 8 ,
}, {
.id = 0 x0e,
.name = "afir" ,
.swgroup = TEGRA_SWGROUP_AFI,
.regs = {
.smmu = {
.reg = 0 x228,
.bit = 14 ,
},
.la = {
.reg = 0 x2e0,
.shift = 0 ,
.mask = 0 xff,
.def = 0 x10,
},
},
.fifo_size = 16 * 32 ,
}, {
.id = 0 x0f,
.name = "avpcarm7r" ,
.swgroup = TEGRA_SWGROUP_AVPC,
.regs = {
.smmu = {
.reg = 0 x228,
.bit = 15 ,
},
.la = {
.reg = 0 x2e4,
.shift = 0 ,
.mask = 0 xff,
.def = 0 x04,
},
},
.fifo_size = 16 * 2 ,
}, {
.id = 0 x10,
.name = "displayhc" ,
.swgroup = TEGRA_SWGROUP_DC,
.regs = {
.smmu = {
.reg = 0 x228,
.bit = 16 ,
},
.la = {
.reg = 0 x2f0,
.shift = 0 ,
.mask = 0 xff,
.def = 0 xff,
},
},
.fifo_size = 16 * 2 ,
}, {
.id = 0 x11,
.name = "displayhcb" ,
.swgroup = TEGRA_SWGROUP_DCB,
.regs = {
.smmu = {
.reg = 0 x228,
.bit = 17 ,
},
.la = {
.reg = 0 x2fc,
.shift = 0 ,
.mask = 0 xff,
.def = 0 xff,
},
},
.fifo_size = 16 * 2 ,
}, {
.id = 0 x12,
.name = "fdcdrd" ,
.swgroup = TEGRA_SWGROUP_NV,
.regs = {
.smmu = {
.reg = 0 x228,
.bit = 18 ,
},
.la = {
.reg = 0 x334,
.shift = 0 ,
.mask = 0 xff,
.def = 0 x0a,
},
},
.fifo_size = 16 * 48 ,
}, {
.id = 0 x13,
.name = "fdcdrd2" ,
.swgroup = TEGRA_SWGROUP_NV2,
.regs = {
.smmu = {
.reg = 0 x228,
.bit = 19 ,
},
.la = {
.reg = 0 x33c,
.shift = 0 ,
.mask = 0 xff,
.def = 0 x0a,
},
},
.fifo_size = 16 * 48 ,
}, {
.id = 0 x14,
.name = "g2dr" ,
.swgroup = TEGRA_SWGROUP_G2,
.regs = {
.smmu = {
.reg = 0 x228,
.bit = 20 ,
},
.la = {
.reg = 0 x30c,
.shift = 0 ,
.mask = 0 xff,
.def = 0 x0a,
},
},
.fifo_size = 16 * 48 ,
}, {
.id = 0 x15,
.name = "hdar" ,
.swgroup = TEGRA_SWGROUP_HDA,
.regs = {
.smmu = {
.reg = 0 x228,
.bit = 21 ,
},
.la = {
.reg = 0 x318,
.shift = 0 ,
.mask = 0 xff,
.def = 0 xff,
},
},
.fifo_size = 16 * 16 ,
}, {
.id = 0 x16,
.name = "host1xdmar" ,
.swgroup = TEGRA_SWGROUP_HC,
.regs = {
.smmu = {
.reg = 0 x228,
.bit = 22 ,
},
.la = {
.reg = 0 x310,
.shift = 0 ,
.mask = 0 xff,
.def = 0 x05,
},
},
.fifo_size = 16 * 16 ,
}, {
.id = 0 x17,
.name = "host1xr" ,
.swgroup = TEGRA_SWGROUP_HC,
.regs = {
.smmu = {
.reg = 0 x228,
.bit = 23 ,
},
.la = {
.reg = 0 x310,
.shift = 16 ,
.mask = 0 xff,
.def = 0 x50,
},
},
.fifo_size = 16 * 8 ,
}, {
.id = 0 x18,
.name = "idxsrd" ,
.swgroup = TEGRA_SWGROUP_NV,
.regs = {
.smmu = {
.reg = 0 x228,
.bit = 24 ,
},
.la = {
.reg = 0 x334,
.shift = 16 ,
.mask = 0 xff,
.def = 0 x13,
},
},
.fifo_size = 16 * 64 ,
}, {
.id = 0 x19,
.name = "idxsrd2" ,
.swgroup = TEGRA_SWGROUP_NV2,
.regs = {
.smmu = {
.reg = 0 x228,
.bit = 25 ,
},
.la = {
.reg = 0 x33c,
.shift = 16 ,
.mask = 0 xff,
.def = 0 x13,
},
},
.fifo_size = 16 * 64 ,
}, {
.id = 0 x1a,
.name = "mpe_ipred" ,
.swgroup = TEGRA_SWGROUP_MPE,
.regs = {
.smmu = {
.reg = 0 x228,
.bit = 26 ,
},
.la = {
.reg = 0 x328,
.shift = 16 ,
.mask = 0 xff,
.def = 0 x80,
},
},
.fifo_size = 16 * 2 ,
}, {
.id = 0 x1b,
.name = "mpeamemrd" ,
.swgroup = TEGRA_SWGROUP_MPE,
.regs = {
.smmu = {
.reg = 0 x228,
.bit = 27 ,
},
.la = {
.reg = 0 x32c,
.shift = 0 ,
.mask = 0 xff,
.def = 0 x42,
},
},
.fifo_size = 16 * 64 ,
}, {
.id = 0 x1c,
.name = "mpecsrd" ,
.swgroup = TEGRA_SWGROUP_MPE,
.regs = {
.smmu = {
.reg = 0 x228,
.bit = 28 ,
},
.la = {
.reg = 0 x32c,
.shift = 16 ,
.mask = 0 xff,
.def = 0 xff,
},
},
.fifo_size = 16 * 8 ,
}, {
.id = 0 x1d,
.name = "ppcsahbdmar" ,
.swgroup = TEGRA_SWGROUP_PPCS,
.regs = {
.smmu = {
.reg = 0 x228,
.bit = 29 ,
},
.la = {
.reg = 0 x344,
.shift = 0 ,
.mask = 0 xff,
.def = 0 x10,
},
},
.fifo_size = 16 * 2 ,
}, {
.id = 0 x1e,
.name = "ppcsahbslvr" ,
.swgroup = TEGRA_SWGROUP_PPCS,
.regs = {
.smmu = {
.reg = 0 x228,
.bit = 30 ,
},
.la = {
.reg = 0 x344,
.shift = 16 ,
.mask = 0 xff,
.def = 0 x12,
},
},
.fifo_size = 16 * 8 ,
}, {
.id = 0 x1f,
.name = "satar" ,
.swgroup = TEGRA_SWGROUP_SATA,
.regs = {
.smmu = {
.reg = 0 x228,
.bit = 31 ,
},
.la = {
.reg = 0 x350,
.shift = 0 ,
.mask = 0 xff,
.def = 0 x33,
},
},
.fifo_size = 16 * 32 ,
}, {
.id = 0 x20,
.name = "texsrd" ,
.swgroup = TEGRA_SWGROUP_NV,
.regs = {
.smmu = {
.reg = 0 x22c,
.bit = 0 ,
},
.la = {
.reg = 0 x338,
.shift = 0 ,
.mask = 0 xff,
.def = 0 x13,
},
},
.fifo_size = 16 * 64 ,
}, {
.id = 0 x21,
.name = "texsrd2" ,
.swgroup = TEGRA_SWGROUP_NV2,
.regs = {
.smmu = {
.reg = 0 x22c,
.bit = 1 ,
},
.la = {
.reg = 0 x340,
.shift = 0 ,
.mask = 0 xff,
.def = 0 x13,
},
},
.fifo_size = 16 * 64 ,
}, {
.id = 0 x22,
.name = "vdebsevr" ,
.swgroup = TEGRA_SWGROUP_VDE,
.regs = {
.smmu = {
.reg = 0 x22c,
.bit = 2 ,
},
.la = {
.reg = 0 x354,
.shift = 0 ,
.mask = 0 xff,
.def = 0 xff,
},
},
.fifo_size = 16 * 8 ,
}, {
.id = 0 x23,
.name = "vdember" ,
.swgroup = TEGRA_SWGROUP_VDE,
.regs = {
.smmu = {
.reg = 0 x22c,
.bit = 3 ,
},
.la = {
.reg = 0 x354,
.shift = 16 ,
.mask = 0 xff,
.def = 0 xd0,
},
},
.fifo_size = 16 * 4 ,
}, {
.id = 0 x24,
.name = "vdemcer" ,
.swgroup = TEGRA_SWGROUP_VDE,
.regs = {
.smmu = {
.reg = 0 x22c,
.bit = 4 ,
},
.la = {
.reg = 0 x358,
.shift = 0 ,
.mask = 0 xff,
.def = 0 x2a,
},
},
.fifo_size = 16 * 16 ,
}, {
.id = 0 x25,
.name = "vdetper" ,
.swgroup = TEGRA_SWGROUP_VDE,
.regs = {
.smmu = {
.reg = 0 x22c,
.bit = 5 ,
},
.la = {
.reg = 0 x358,
.shift = 16 ,
.mask = 0 xff,
.def = 0 x74,
},
},
.fifo_size = 16 * 16 ,
}, {
.id = 0 x26,
.name = "mpcorelpr" ,
.swgroup = TEGRA_SWGROUP_MPCORELP,
.regs = {
.la = {
.reg = 0 x324,
.shift = 0 ,
.mask = 0 xff,
.def = 0 x04,
},
},
.fifo_size = 16 * 14 ,
}, {
.id = 0 x27,
.name = "mpcorer" ,
.swgroup = TEGRA_SWGROUP_MPCORE,
.regs = {
.la = {
.reg = 0 x320,
.shift = 0 ,
.mask = 0 xff,
.def = 0 x04,
},
},
.fifo_size = 16 * 14 ,
}, {
.id = 0 x28,
.name = "eppu" ,
.swgroup = TEGRA_SWGROUP_EPP,
.regs = {
.smmu = {
.reg = 0 x22c,
.bit = 8 ,
},
.la = {
.reg = 0 x300,
.shift = 16 ,
.mask = 0 xff,
.def = 0 x6c,
},
},
.fifo_size = 16 * 64 ,
}, {
.id = 0 x29,
.name = "eppv" ,
.swgroup = TEGRA_SWGROUP_EPP,
.regs = {
.smmu = {
.reg = 0 x22c,
.bit = 9 ,
},
.la = {
.reg = 0 x304,
.shift = 0 ,
.mask = 0 xff,
.def = 0 x6c,
},
},
.fifo_size = 16 * 64 ,
}, {
.id = 0 x2a,
.name = "eppy" ,
.swgroup = TEGRA_SWGROUP_EPP,
.regs = {
.smmu = {
.reg = 0 x22c,
.bit = 10 ,
},
.la = {
.reg = 0 x304,
.shift = 16 ,
.mask = 0 xff,
.def = 0 x6c,
},
},
.fifo_size = 16 * 64 ,
}, {
.id = 0 x2b,
.name = "mpeunifbw" ,
.swgroup = TEGRA_SWGROUP_MPE,
.regs = {
.smmu = {
.reg = 0 x22c,
.bit = 11 ,
},
.la = {
.reg = 0 x330,
.shift = 0 ,
.mask = 0 xff,
.def = 0 x13,
},
},
.fifo_size = 16 * 8 ,
}, {
.id = 0 x2c,
.name = "viwsb" ,
.swgroup = TEGRA_SWGROUP_VI,
.regs = {
.smmu = {
.reg = 0 x22c,
.bit = 12 ,
},
.la = {
.reg = 0 x364,
.shift = 16 ,
.mask = 0 xff,
.def = 0 x12,
},
},
.fifo_size = 16 * 64 ,
}, {
.id = 0 x2d,
.name = "viwu" ,
.swgroup = TEGRA_SWGROUP_VI,
.regs = {
.smmu = {
.reg = 0 x22c,
.bit = 13 ,
},
.la = {
.reg = 0 x368,
.shift = 0 ,
.mask = 0 xff,
.def = 0 xb2,
},
},
.fifo_size = 16 * 64 ,
}, {
.id = 0 x2e,
.name = "viwv" ,
.swgroup = TEGRA_SWGROUP_VI,
.regs = {
.smmu = {
.reg = 0 x22c,
.bit = 14 ,
},
.la = {
.reg = 0 x368,
.shift = 16 ,
.mask = 0 xff,
.def = 0 xb2,
},
},
.fifo_size = 16 * 64 ,
}, {
.id = 0 x2f,
.name = "viwy" ,
.swgroup = TEGRA_SWGROUP_VI,
.regs = {
.smmu = {
.reg = 0 x22c,
.bit = 15 ,
},
.la = {
.reg = 0 x36c,
.shift = 0 ,
.mask = 0 xff,
.def = 0 x12,
},
},
.fifo_size = 16 * 64 ,
}, {
.id = 0 x30,
.name = "g2dw" ,
.swgroup = TEGRA_SWGROUP_G2,
.regs = {
.smmu = {
.reg = 0 x22c,
.bit = 16 ,
},
.la = {
.reg = 0 x30c,
.shift = 16 ,
.mask = 0 xff,
.def = 0 x9,
},
},
.fifo_size = 16 * 128 ,
}, {
.id = 0 x31,
.name = "afiw" ,
.swgroup = TEGRA_SWGROUP_AFI,
.regs = {
.smmu = {
.reg = 0 x22c,
.bit = 17 ,
},
.la = {
.reg = 0 x2e0,
.shift = 16 ,
.mask = 0 xff,
.def = 0 x0c,
},
},
.fifo_size = 16 * 32 ,
}, {
.id = 0 x32,
.name = "avpcarm7w" ,
.swgroup = TEGRA_SWGROUP_AVPC,
.regs = {
.smmu = {
.reg = 0 x22c,
.bit = 18 ,
},
.la = {
.reg = 0 x2e4,
.shift = 16 ,
.mask = 0 xff,
.def = 0 x0e,
},
},
.fifo_size = 16 * 2 ,
}, {
.id = 0 x33,
.name = "fdcdwr" ,
.swgroup = TEGRA_SWGROUP_NV,
.regs = {
.smmu = {
.reg = 0 x22c,
.bit = 19 ,
},
.la = {
.reg = 0 x338,
.shift = 16 ,
.mask = 0 xff,
.def = 0 x0a,
},
},
.fifo_size = 16 * 48 ,
}, {
.id = 0 x34,
.name = "fdcdwr2" ,
.swgroup = TEGRA_SWGROUP_NV2,
.regs = {
.smmu = {
.reg = 0 x22c,
.bit = 20 ,
},
.la = {
.reg = 0 x340,
.shift = 16 ,
.mask = 0 xff,
.def = 0 x0a,
},
},
.fifo_size = 16 * 48 ,
}, {
.id = 0 x35,
.name = "hdaw" ,
.swgroup = TEGRA_SWGROUP_HDA,
.regs = {
.smmu = {
.reg = 0 x22c,
.bit = 21 ,
},
.la = {
.reg = 0 x318,
.shift = 16 ,
.mask = 0 xff,
.def = 0 xff,
},
},
.fifo_size = 16 * 16 ,
}, {
.id = 0 x36,
.name = "host1xw" ,
.swgroup = TEGRA_SWGROUP_HC,
.regs = {
.smmu = {
.reg = 0 x22c,
.bit = 22 ,
},
.la = {
.reg = 0 x314,
.shift = 0 ,
.mask = 0 xff,
.def = 0 x10,
},
},
.fifo_size = 16 * 32 ,
}, {
.id = 0 x37,
.name = "ispw" ,
.swgroup = TEGRA_SWGROUP_ISP,
.regs = {
.smmu = {
.reg = 0 x22c,
.bit = 23 ,
},
.la = {
.reg = 0 x31c,
.shift = 0 ,
.mask = 0 xff,
.def = 0 xff,
},
},
.fifo_size = 16 * 64 ,
}, {
.id = 0 x38,
.name = "mpcorelpw" ,
.swgroup = TEGRA_SWGROUP_MPCORELP,
.regs = {
.la = {
.reg = 0 x324,
.shift = 16 ,
.mask = 0 xff,
.def = 0 x0e,
},
},
.fifo_size = 16 * 24 ,
}, {
.id = 0 x39,
.name = "mpcorew" ,
.swgroup = TEGRA_SWGROUP_MPCORE,
.regs = {
.la = {
.reg = 0 x320,
.shift = 16 ,
.mask = 0 xff,
.def = 0 x0e,
},
},
.fifo_size = 16 * 24 ,
}, {
.id = 0 x3a,
.name = "mpecswr" ,
.swgroup = TEGRA_SWGROUP_MPE,
.regs = {
.smmu = {
.reg = 0 x22c,
.bit = 26 ,
},
.la = {
.reg = 0 x330,
.shift = 16 ,
.mask = 0 xff,
.def = 0 xff,
},
},
.fifo_size = 16 * 8 ,
}, {
.id = 0 x3b,
.name = "ppcsahbdmaw" ,
.swgroup = TEGRA_SWGROUP_PPCS,
.regs = {
.smmu = {
.reg = 0 x22c,
.bit = 27 ,
},
.la = {
.reg = 0 x348,
.shift = 0 ,
.mask = 0 xff,
.def = 0 x10,
},
},
.fifo_size = 16 * 2 ,
}, {
.id = 0 x3c,
.name = "ppcsahbslvw" ,
.swgroup = TEGRA_SWGROUP_PPCS,
.regs = {
.smmu = {
.reg = 0 x22c,
.bit = 28 ,
},
.la = {
.reg = 0 x348,
.shift = 16 ,
.mask = 0 xff,
.def = 0 x06,
},
},
.fifo_size = 16 * 4 ,
}, {
.id = 0 x3d,
.name = "sataw" ,
.swgroup = TEGRA_SWGROUP_SATA,
.regs = {
.smmu = {
.reg = 0 x22c,
.bit = 29 ,
},
.la = {
.reg = 0 x350,
.shift = 16 ,
.mask = 0 xff,
.def = 0 x33,
},
},
.fifo_size = 16 * 32 ,
}, {
.id = 0 x3e,
.name = "vdebsevw" ,
.swgroup = TEGRA_SWGROUP_VDE,
.regs = {
.smmu = {
.reg = 0 x22c,
.bit = 30 ,
},
.la = {
.reg = 0 x35c,
.shift = 0 ,
.mask = 0 xff,
.def = 0 xff,
},
},
.fifo_size = 16 * 4 ,
}, {
.id = 0 x3f,
.name = "vdedbgw" ,
.swgroup = TEGRA_SWGROUP_VDE,
.regs = {
.smmu = {
.reg = 0 x22c,
.bit = 31 ,
},
.la = {
.reg = 0 x35c,
.shift = 16 ,
.mask = 0 xff,
.def = 0 xff,
},
},
.fifo_size = 16 * 16 ,
}, {
.id = 0 x40,
.name = "vdembew" ,
.swgroup = TEGRA_SWGROUP_VDE,
.regs = {
.smmu = {
.reg = 0 x230,
.bit = 0 ,
},
.la = {
.reg = 0 x360,
.shift = 0 ,
.mask = 0 xff,
.def = 0 x42,
},
},
.fifo_size = 16 * 2 ,
}, {
.id = 0 x41,
.name = "vdetpmw" ,
.swgroup = TEGRA_SWGROUP_VDE,
.regs = {
.smmu = {
.reg = 0 x230,
.bit = 1 ,
},
.la = {
.reg = 0 x360,
.shift = 16 ,
.mask = 0 xff,
.def = 0 x2a,
},
},
.fifo_size = 16 * 16 ,
},
};
static const struct tegra_smmu_swgroup tegra30_swgroups[] = {
{ .name = "dc" , .swgroup = TEGRA_SWGROUP_DC, .reg = 0 x240 },
{ .name = "dcb" , .swgroup = TEGRA_SWGROUP_DCB, .reg = 0 x244 },
{ .name = "epp" , .swgroup = TEGRA_SWGROUP_EPP, .reg = 0 x248 },
{ .name = "g2" , .swgroup = TEGRA_SWGROUP_G2, .reg = 0 x24c },
{ .name = "mpe" , .swgroup = TEGRA_SWGROUP_MPE, .reg = 0 x264 },
{ .name = "vi" , .swgroup = TEGRA_SWGROUP_VI, .reg = 0 x280 },
{ .name = "afi" , .swgroup = TEGRA_SWGROUP_AFI, .reg = 0 x238 },
{ .name = "avpc" , .swgroup = TEGRA_SWGROUP_AVPC, .reg = 0 x23c },
{ .name = "nv" , .swgroup = TEGRA_SWGROUP_NV, .reg = 0 x268 },
{ .name = "nv2" , .swgroup = TEGRA_SWGROUP_NV2, .reg = 0 x26c },
{ .name = "hda" , .swgroup = TEGRA_SWGROUP_HDA, .reg = 0 x254 },
{ .name = "hc" , .swgroup = TEGRA_SWGROUP_HC, .reg = 0 x250 },
{ .name = "ppcs" , .swgroup = TEGRA_SWGROUP_PPCS, .reg = 0 x270 },
{ .name = "sata" , .swgroup = TEGRA_SWGROUP_SATA, .reg = 0 x278 },
{ .name = "vde" , .swgroup = TEGRA_SWGROUP_VDE, .reg = 0 x27c },
{ .name = "isp" , .swgroup = TEGRA_SWGROUP_ISP, .reg = 0 x258 },
};
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, 0 x200, 0 x204, 0 ),
TEGRA30_MC_RESET(AVPC, 0 x200, 0 x204, 1 ),
TEGRA30_MC_RESET(DC, 0 x200, 0 x204, 2 ),
TEGRA30_MC_RESET(DCB, 0 x200, 0 x204, 3 ),
TEGRA30_MC_RESET(EPP, 0 x200, 0 x204, 4 ),
TEGRA30_MC_RESET(2 D, 0 x200, 0 x204, 5 ),
TEGRA30_MC_RESET(HC, 0 x200, 0 x204, 6 ),
TEGRA30_MC_RESET(HDA, 0 x200, 0 x204, 7 ),
TEGRA30_MC_RESET(ISP, 0 x200, 0 x204, 8 ),
TEGRA30_MC_RESET(MPCORE, 0 x200, 0 x204, 9 ),
TEGRA30_MC_RESET(MPCORELP, 0 x200, 0 x204, 10 ),
TEGRA30_MC_RESET(MPE, 0 x200, 0 x204, 11 ),
TEGRA30_MC_RESET(3 D, 0 x200, 0 x204, 12 ),
TEGRA30_MC_RESET(3 D2, 0 x200, 0 x204, 13 ),
TEGRA30_MC_RESET(PPCS, 0 x200, 0 x204, 14 ),
TEGRA30_MC_RESET(SATA, 0 x200, 0 x204, 15 ),
TEGRA30_MC_RESET(VDE, 0 x200, 0 x204, 16 ),
TEGRA30_MC_RESET(VI, 0 x200, 0 x204, 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(const 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 = 0 x7f,
.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,
};
Messung V0.5 in Prozent C=94 H=90 G=91
¤ Dauer der Verarbeitung: 0.13 Sekunden
(vorverarbeitet am 2026-06-08)
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