root/drivers/memory/tegra/tegra238.c
// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2026, NVIDIA CORPORATION.  All rights reserved.
 */

#include <soc/tegra/mc.h>

#include <dt-bindings/memory/tegra234-mc.h>
#include <dt-bindings/memory/nvidia,tegra238-mc.h>
#include <linux/interconnect.h>
#include <linux/tegra-icc.h>

#include <soc/tegra/bpmp.h>
#include "mc.h"

static const struct tegra_mc_client tegra238_mc_clients[] = {
        {
                .id = TEGRA234_MEMORY_CLIENT_HDAR,
                .name = "hdar",
                .bpmp_id = TEGRA_ICC_BPMP_HDA,
                .type = TEGRA_ICC_ISO_AUDIO,
                .sid = TEGRA238_SID_HDA,
                .regs = {
                        .sid = {
                                .override = 0xa8,
                                .security = 0xac,
                        },
                },
        }, {
                .id = TEGRA234_MEMORY_CLIENT_HDAW,
                .name = "hdaw",
                .bpmp_id = TEGRA_ICC_BPMP_HDA,
                .type = TEGRA_ICC_ISO_AUDIO,
                .sid = TEGRA238_SID_HDA,
                .regs = {
                        .sid = {
                                .override = 0x1a8,
                                .security = 0x1ac,
                        },
                },
        }, {
                .id = TEGRA234_MEMORY_CLIENT_SDMMCRAB,
                .name = "sdmmcrab",
                .bpmp_id = TEGRA_ICC_BPMP_SDMMC_4,
                .type = TEGRA_ICC_NISO,
                .sid = TEGRA238_SID_SDMMC4A,
                .regs = {
                        .sid = {
                                .override = 0x318,
                                .security = 0x31c,
                        },
                },
        }, {
                .id = TEGRA234_MEMORY_CLIENT_SDMMCWAB,
                .name = "sdmmcwab",
                .bpmp_id = TEGRA_ICC_BPMP_SDMMC_4,
                .type = TEGRA_ICC_NISO,
                .sid = TEGRA238_SID_SDMMC4A,
                .regs = {
                        .sid = {
                                .override = 0x338,
                                .security = 0x33c,
                        },
                },
        }, {
                .id = TEGRA234_MEMORY_CLIENT_APER,
                .name = "aper",
                .bpmp_id = TEGRA_ICC_BPMP_APE,
                .type = TEGRA_ICC_ISO_AUDIO,
                .sid = TEGRA238_SID_ISO_APE0,
                .regs = {
                        .sid = {
                                .override = 0x3d0,
                                .security = 0x3d4,
                        },
                },
        }, {
                .id = TEGRA234_MEMORY_CLIENT_APEW,
                .name = "apew",
                .bpmp_id = TEGRA_ICC_BPMP_APE,
                .type = TEGRA_ICC_ISO_AUDIO,
                .sid = TEGRA238_SID_ISO_APE0,
                .regs = {
                        .sid = {
                                .override = 0x3d8,
                                .security = 0x3dc,
                        },
                },
        }, {
                .id = TEGRA234_MEMORY_CLIENT_NVDISPLAYR,
                .name = "nvdisplayr",
                .bpmp_id = TEGRA_ICC_BPMP_DISPLAY,
                .type = TEGRA_ICC_ISO_DISPLAY,
                .sid = TEGRA238_SID_ISO_NVDISPLAY,
                .regs = {
                        .sid = {
                                .override = 0x490,
                                .security = 0x494,
                        },
                },
        }, {
                .id = TEGRA234_MEMORY_CLIENT_NVDISPLAYR1,
                .name = "nvdisplayr1",
                .bpmp_id = TEGRA_ICC_BPMP_DISPLAY,
                .type = TEGRA_ICC_ISO_DISPLAY,
                .sid = TEGRA238_SID_ISO_NVDISPLAY,
                .regs = {
                        .sid = {
                                .override = 0x508,
                                .security = 0x50c,
                        },
                },
        }, {
                .id = TEGRA234_MEMORY_CLIENT_BPMPR,
                .name = "bpmpr",
                .sid = TEGRA238_SID_BPMP,
                .regs = {
                        .sid = {
                                .override = 0x498,
                                .security = 0x49c,
                        },
                },
        }, {
                .id = TEGRA234_MEMORY_CLIENT_BPMPW,
                .name = "bpmpw",
                .sid = TEGRA238_SID_BPMP,
                .regs = {
                        .sid = {
                                .override = 0x4a0,
                                .security = 0x4a4,
                        },
                },
        }, {
                .id = TEGRA234_MEMORY_CLIENT_BPMPDMAR,
                .name = "bpmpdmar",
                .sid = TEGRA238_SID_BPMP,
                .regs = {
                        .sid = {
                                .override = 0x4a8,
                                .security = 0x4ac,
                        },
                },
        }, {
                .id = TEGRA234_MEMORY_CLIENT_BPMPDMAW,
                .name = "bpmpdmaw",
                .sid = TEGRA238_SID_BPMP,
                .regs = {
                        .sid = {
                                .override = 0x4b0,
                                .security = 0x4b4,
                        },
                },
        }, {
                .id = TEGRA234_MEMORY_CLIENT_APEDMAR,
                .name = "apedmar",
                .bpmp_id = TEGRA_ICC_BPMP_APEDMA,
                .type = TEGRA_ICC_ISO_AUDIO,
                .sid = TEGRA238_SID_ISO_APE1,
                .regs = {
                        .sid = {
                                .override = 0x4f8,
                                .security = 0x4fc,
                        },
                },
        }, {
                .id = TEGRA234_MEMORY_CLIENT_APEDMAW,
                .name = "apedmaw",
                .bpmp_id = TEGRA_ICC_BPMP_APEDMA,
                .type = TEGRA_ICC_ISO_AUDIO,
                .sid = TEGRA238_SID_ISO_APE1,
                .regs = {
                        .sid = {
                                .override = 0x500,
                                .security = 0x504,
                        },
                },
        }, {
                .id = TEGRA234_MEMORY_CLIENT_VICSRD,
                .name = "vicsrd",
                .bpmp_id = TEGRA_ICC_BPMP_VIC,
                .type = TEGRA_ICC_NISO,
                .sid = TEGRA238_SID_VIC,
                .regs = {
                        .sid = {
                                .override = 0x360,
                                .security = 0x364,
                        },
                },
        }, {
                .id = TEGRA234_MEMORY_CLIENT_VICSWR,
                .name = "vicswr",
                .bpmp_id = TEGRA_ICC_BPMP_VIC,
                .type = TEGRA_ICC_NISO,
                .sid = TEGRA238_SID_VIC,
                .regs = {
                        .sid = {
                                .override = 0x368,
                                .security = 0x36c,
                        },
                },
        }, {
                .id = TEGRA234_MEMORY_CLIENT_NVDECSRD,
                .name = "nvdecsrd",
                .bpmp_id = TEGRA_ICC_BPMP_NVDEC,
                .type = TEGRA_ICC_NISO,
                .sid = TEGRA238_SID_NVDEC,
                .regs = {
                        .sid = {
                                .override = 0x3c0,
                                .security = 0x3c4,
                        },
                },
        }, {
                .id = TEGRA234_MEMORY_CLIENT_NVDECSWR,
                .name = "nvdecswr",
                .bpmp_id = TEGRA_ICC_BPMP_NVDEC,
                .type = TEGRA_ICC_NISO,
                .sid = TEGRA238_SID_NVDEC,
                .regs = {
                        .sid = {
                                .override = 0x3c8,
                                .security = 0x3cc,
                        },
                },
        }, {
                .id = TEGRA234_MEMORY_CLIENT_NVENCSRD,
                .name = "nvencsrd",
                .bpmp_id = TEGRA_ICC_BPMP_NVENC,
                .type = TEGRA_ICC_NISO,
                .sid = TEGRA238_SID_NVENC,
                .regs = {
                        .sid = {
                                .override = 0xe0,
                                .security = 0xe4,
                        },
                },
        }, {
                .id = TEGRA234_MEMORY_CLIENT_NVENCSWR,
                .name = "nvencswr",
                .bpmp_id = TEGRA_ICC_BPMP_NVENC,
                .type = TEGRA_ICC_NISO,
                .sid = TEGRA238_SID_NVENC,
                .regs = {
                        .sid = {
                                .override = 0x158,
                                .security = 0x15c,
                        },
                },
        }, {
                .id = TEGRA234_MEMORY_CLIENT_PCIE0R,
                .name = "pcie0r",
                .bpmp_id = TEGRA_ICC_BPMP_PCIE_0,
                .type = TEGRA_ICC_NISO,
                .sid = TEGRA238_SID_PCIE0,
                .regs = {
                        .sid = {
                                .override = 0x6c0,
                                .security = 0x6c4,
                        },
                },
        }, {
                .id = TEGRA234_MEMORY_CLIENT_PCIE0W,
                .name = "pcie0w",
                .bpmp_id = TEGRA_ICC_BPMP_PCIE_0,
                .type = TEGRA_ICC_NISO,
                .sid = TEGRA238_SID_PCIE0,
                .regs = {
                        .sid = {
                                .override = 0x6c8,
                                .security = 0x6cc,
                        },
                },
        }, {
                .id = TEGRA234_MEMORY_CLIENT_PCIE1R,
                .name = "pcie1r",
                .bpmp_id = TEGRA_ICC_BPMP_PCIE_1,
                .type = TEGRA_ICC_NISO,
                .sid = TEGRA238_SID_PCIE1,
                .regs = {
                        .sid = {
                                .override = 0x6d0,
                                .security = 0x6d4,
                        },
                },
        }, {
                .id = TEGRA234_MEMORY_CLIENT_PCIE1W,
                .name = "pcie1w",
                .bpmp_id = TEGRA_ICC_BPMP_PCIE_1,
                .type = TEGRA_ICC_NISO,
                .sid = TEGRA238_SID_PCIE1,
                .regs = {
                        .sid = {
                                .override = 0x6d8,
                                .security = 0x6dc,
                        },
                },
        }, {
                .id = TEGRA234_MEMORY_CLIENT_PCIE2AR,
                .name = "pcie2ar",
                .bpmp_id = TEGRA_ICC_BPMP_PCIE_2,
                .type = TEGRA_ICC_NISO,
                .sid = TEGRA238_SID_PCIE2,
                .regs = {
                        .sid = {
                                .override = 0x6e0,
                                .security = 0x6e4,
                        },
                },
        }, {
                .id = TEGRA234_MEMORY_CLIENT_PCIE2AW,
                .name = "pcie2aw",
                .bpmp_id = TEGRA_ICC_BPMP_PCIE_2,
                .type = TEGRA_ICC_NISO,
                .sid = TEGRA238_SID_PCIE2,
                .regs = {
                        .sid = {
                                .override = 0x6e8,
                                .security = 0x6ec,
                        },
                },
        }, {
                .id = TEGRA234_MEMORY_CLIENT_PCIE3R,
                .name = "pcie3r",
                .bpmp_id = TEGRA_ICC_BPMP_PCIE_3,
                .type = TEGRA_ICC_NISO,
                .sid = TEGRA238_SID_PCIE3,
                .regs = {
                        .sid = {
                                .override = 0x6f0,
                                .security = 0x6f4,
                        },
                },
        }, {
                .id = TEGRA234_MEMORY_CLIENT_PCIE3W,
                .name = "pcie3w",
                .bpmp_id = TEGRA_ICC_BPMP_PCIE_3,
                .type = TEGRA_ICC_NISO,
                .sid = TEGRA238_SID_PCIE3,
                .regs = {
                        .sid = {
                                .override = 0x6f8,
                                .security = 0x6fc,
                        },
                },
        }, {
                .id = TEGRA_ICC_MC_CPU_CLUSTER0,
                .name = "sw_cluster0",
                .bpmp_id = TEGRA_ICC_BPMP_CPU_CLUSTER0,
                .type = TEGRA_ICC_NISO,
        }, {
                .id = TEGRA234_MEMORY_CLIENT_NVL1R,
                .name = "nvl1r",
                .bpmp_id = TEGRA_ICC_BPMP_GPU,
                .type = TEGRA_ICC_NISO,
        }, {
                .id = TEGRA234_MEMORY_CLIENT_NVL1W,
                .name = "nvl1w",
                .bpmp_id = TEGRA_ICC_BPMP_GPU,
                .type = TEGRA_ICC_NISO,
        }
};

static const struct tegra_mc_intmask tegra238_mc_intmasks[] = {
        {
                .reg = MC_INTMASK,
                .mask = MC_INT_DECERR_ROUTE_SANITY | MC_INT_DECERR_GENERALIZED_CARVEOUT |
                        MC_INT_DECERR_MTS | MC_INT_SECERR_SEC | MC_INT_DECERR_VPR |
                        MC_INT_SECURITY_VIOLATION | MC_INT_DECERR_EMEM,
        },
};

const struct tegra_mc_soc tegra238_mc_soc = {
        .num_clients = ARRAY_SIZE(tegra238_mc_clients),
        .clients = tegra238_mc_clients,
        .num_address_bits = 40,
        .num_channels = 8,
        .client_id_mask = 0x1ff,
        .intmasks = tegra238_mc_intmasks,
        .num_intmasks = ARRAY_SIZE(tegra238_mc_intmasks),
        .has_addr_hi_reg = true,
        .ops = &tegra186_mc_ops,
        .icc_ops = &tegra234_mc_icc_ops,
        .ch_intmask = 0x0000ff00,
        .global_intstatus_channel_shift = 8,
        .num_carveouts = 32,
        .regs = &tegra20_mc_regs,
        .handle_irq = tegra30_mc_irq_handlers,
        .num_interrupts = ARRAY_SIZE(tegra30_mc_irq_handlers),
        .mc_addr_hi_mask = 0x3,
        .mc_err_status_type_mask = (0x7 << 28),
};