/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2014-2026 NVIDIA CORPORATION. All rights reserved. */ #ifndef MEMORY_TEGRA_MC_H #define MEMORY_TEGRA_MC_H #include #include #include #include #define MC_INTSTATUS 0x00 /* Bit field of MC_INTSTATUS register */ #define MC_INT_DECERR_EMEM BIT(6) #define MC_INT_INVALID_GART_PAGE BIT(7) #define MC_INT_SECURITY_VIOLATION BIT(8) #define MC_INT_ARBITRATION_EMEM BIT(9) #define MC_INT_INVALID_SMMU_PAGE BIT(10) #define MC_INT_INVALID_APB_ASID_UPDATE BIT(11) #define MC_INT_DECERR_VPR BIT(12) #define MC_INT_SECERR_SEC BIT(13) #define MC_INT_DECERR_MTS BIT(16) #define MC_INT_DECERR_GENERALIZED_CARVEOUT BIT(17) #define MC_INT_DECERR_ROUTE_SANITY BIT(20) #define MC_INT_DECERR_ROUTE_SANITY_GIC_MSI BIT(21) #define MC_INTMASK 0x04 #define MC_GART_ERROR_REQ 0x30 #define MC_EMEM_ADR_CFG 0x54 #define MC_EMEM_ADR_CFG_EMEM_NUMDEV BIT(0) #define MC_DECERR_EMEM_OTHERS_STATUS 0x58 #define MC_SECURITY_VIOLATION_STATUS 0x74 #define MC_EMEM_ARB_CFG 0x90 #define MC_EMEM_ARB_CFG_CYCLES_PER_UPDATE(x) ((x) & 0x1ff) #define MC_EMEM_ARB_CFG_CYCLES_PER_UPDATE_MASK 0x1ff #define MC_EMEM_ARB_OUTSTANDING_REQ 0x94 #define MC_EMEM_ARB_OUTSTANDING_REQ_HOLDOFF_OVERRIDE BIT(30) #define MC_EMEM_ARB_OUTSTANDING_REQ_LIMIT_ENABLE BIT(31) #define MC_EMEM_ARB_OUTSTANDING_REQ_MAX_MASK 0x1ff #define MC_EMEM_ARB_TIMING_RCD 0x98 #define MC_EMEM_ARB_TIMING_RP 0x9c #define MC_EMEM_ARB_TIMING_RC 0xa0 #define MC_EMEM_ARB_TIMING_RAS 0xa4 #define MC_EMEM_ARB_TIMING_FAW 0xa8 #define MC_EMEM_ARB_TIMING_RRD 0xac #define MC_EMEM_ARB_TIMING_RAP2PRE 0xb0 #define MC_EMEM_ARB_TIMING_WAP2PRE 0xb4 #define MC_EMEM_ARB_TIMING_R2R 0xb8 #define MC_EMEM_ARB_TIMING_W2W 0xbc #define MC_EMEM_ARB_TIMING_R2W 0xc0 #define MC_EMEM_ARB_TIMING_W2R 0xc4 #define MC_EMEM_ARB_MISC2 0xc8 #define MC_EMEM_ARB_DA_TURNS 0xd0 #define MC_EMEM_ARB_DA_COVERS 0xd4 #define MC_EMEM_ARB_MISC0 0xd8 #define MC_EMEM_ARB_MISC1 0xdc #define MC_EMEM_ARB_RING1_THROTTLE 0xe0 #define MC_EMEM_ARB_OVERRIDE 0xe8 #define MC_EMEM_ARB_OVERRIDE_EACK_MASK 0x3 #define MC_TIMING_CONTROL_DBG 0xf8 #define MC_TIMING_CONTROL 0xfc #define MC_TIMING_UPDATE BIT(0) #define MC_GLOBAL_INTSTATUS 0xf24 /* Bit field of MC_ERR_STATUS_0 register */ #define MC_ERR_STATUS_RW BIT(16) #define MC_ERR_STATUS_SECURITY BIT(17) #define MC_ERR_STATUS_NONSECURE BIT(25) #define MC_ERR_STATUS_WRITABLE BIT(26) #define MC_ERR_STATUS_READABLE BIT(27) #define MC_ERR_STATUS_GSC_ADR_HI_MASK 0xffff #define MC_ERR_STATUS_GSC_ADR_HI_SHIFT 16 #define MC_ERR_STATUS_RT_ADR_HI_SHIFT 15 #define MC_ERR_STATUS_TYPE_SHIFT 28 #define MC_ERR_STATUS_TYPE_INVALID_SMMU_PAGE (0x6 << 28) #define MC_ERR_STATUS_RT_TYPE_MASK (0xf << 28) #define MC_ERR_STATUS_RT_TYPE_SHIFT 28 #define MC_ERR_STATUS_ADR_HI_SHIFT 20 #define MC_BROADCAST_CHANNEL ~0 /* Tegra264 specific registers */ /* Registers for MSS HUB */ #define MSS_HUB_GLOBAL_INTSTATUS_0 0x6000 #define MSS_HUBC_INTR BIT(0) #define MSS_HUB_GLOBAL_MASK 0x7F00 #define MSS_HUB_GLOBAL_SHIFT 8 #define MSS_HUB_HUBC_INTSTATUS_0 0x6008 #define MSS_HUB_INTRSTATUS_0 0x600c #define MSS_HUB_HUBC_INTMASK_0 0x6010 #define MSS_HUB_HUBC_SCRUB_DONE_INTMASK BIT(0) #define MSS_HUB_HUBC_INTPRIORITY_0 0x6014 #define MSS_HUB_INTRMASK_0 0x6018 #define MSS_HUB_COALESCER_ERR_INTMASK BIT(0) #define MSS_HUB_SMMU_BYPASS_ALLOW_ERR_INTMASK BIT(1) #define MSS_HUB_ILLEGAL_TBUGRP_ID_INTMASK BIT(2) #define MSS_HUB_MSI_ERR_INTMASK BIT(3) #define MSS_HUB_POISON_RSP_INTMASK BIT(4) #define MSS_HUB_RESTRICTED_ACCESS_ERR_INTMASK BIT(5) #define MSS_HUB_RESERVED_PA_ERR_INTMASK BIT(6) #define MSS_HUB_INTRPRIORITY_0 0x601c #define MSS_HUB_SMMU_BYPASS_ALLOW_ERR_STATUS_0 0x6020 #define MSS_HUB_MSI_ERR_STATUS_0 0x6024 #define MSS_HUB_POISON_RSP_STATUS_0 0x6028 #define MSS_HUB_COALESCE_ERR_STATUS_0 0x60e0 #define MSS_HUB_COALESCE_ERR_ADR_HI_0 0x60e4 #define MSS_HUB_COALESCE_ERR_ADR_0 0x60e8 #define MSS_HUB_RESTRICTED_ACCESS_ERR_STATUS_0 0x638c #define MSS_HUB_RESERVED_PA_ERR_STATUS_0 0x6390 #define MSS_HUB_ILLEGAL_TBUGRP_ID_ERR_STATUS_0 0x63b0 /* Registers for channels */ #define MC_CH_INTSTATUS_0 0x82d4 #define MC_CH_INTMASK_0 0x82d8 #define WCAM_ERR_INTMASK BIT(19) #define MC_ERR_GENERALIZED_CARVEOUT_STATUS_1_0 0xbc74 /* Registers for MCF */ #define MCF_COMMON_INTSTATUS0_0_0 0xce04 #define MCF_INTSTATUS_0 0xce2c #define MCF_INTMASK_0 0xce30 #define MCF_INTPRIORITY_0 0xce34 /* Registers for SBS */ #define MSS_SBS_INTSTATUS_0 0xec08 #define MSS_SBS_INTMASK_0 0xec0c #define MSS_SBS_FILL_FIFO_ISO_OVERFLOW_INTMASK BIT(0) #define MSS_SBS_FILL_FIFO_SISO_OVERFLOW_INTMASK BIT(1) #define MSS_SBS_FILL_FIFO_NISO_OVERFLOW_INTMASK BIT(2) /* Bit field of MC_ERR_ROUTE_SANITY_STATUS_0 register */ #define MC_ERR_ROUTE_SANITY_RW BIT(12) #define MC_ERR_ROUTE_SANITY_SEC BIT(13) #define ERR_GENERALIZED_APERTURE_ID_SHIFT 0 #define ERR_GENERALIZED_APERTURE_ID_MASK 0x1F #define ERR_GENERALIZED_CARVEOUT_APERTURE_ID_SHIFT 5 #define ERR_GENERALIZED_CARVEOUT_APERTURE_ID_MASK 0x1F static inline u32 tegra_mc_scale_percents(u64 val, unsigned int percents) { val = val * percents; do_div(val, 100); return min_t(u64, val, U32_MAX); } static inline struct tegra_mc * icc_provider_to_tegra_mc(struct icc_provider *provider) { return container_of(provider, struct tegra_mc, provider); } static inline u32 mc_ch_readl(const struct tegra_mc *mc, int ch, unsigned long offset) { if (!mc->bcast_ch_regs) return 0; if (ch == MC_BROADCAST_CHANNEL) return readl_relaxed(mc->bcast_ch_regs + offset); return readl_relaxed(mc->ch_regs[ch] + offset); } static inline void mc_ch_writel(const struct tegra_mc *mc, int ch, u32 value, unsigned long offset) { if (!mc->bcast_ch_regs) return; if (ch == MC_BROADCAST_CHANNEL) writel_relaxed(value, mc->bcast_ch_regs + offset); else writel_relaxed(value, mc->ch_regs[ch] + offset); } static inline u32 mc_readl(const struct tegra_mc *mc, unsigned long offset) { return readl_relaxed(mc->regs + offset); } static inline void mc_writel(const struct tegra_mc *mc, u32 value, unsigned long offset) { writel_relaxed(value, mc->regs + offset); } extern const struct tegra_mc_reset_ops tegra_mc_reset_ops_common; #ifdef CONFIG_ARCH_TEGRA_2x_SOC extern const struct tegra_mc_soc tegra20_mc_soc; #endif #ifdef CONFIG_ARCH_TEGRA_3x_SOC extern const struct tegra_mc_soc tegra30_mc_soc; #endif #ifdef CONFIG_ARCH_TEGRA_114_SOC extern const struct tegra_mc_soc tegra114_mc_soc; #endif #ifdef CONFIG_ARCH_TEGRA_124_SOC extern const struct tegra_mc_soc tegra124_mc_soc; #endif #ifdef CONFIG_ARCH_TEGRA_132_SOC extern const struct tegra_mc_soc tegra132_mc_soc; #endif #ifdef CONFIG_ARCH_TEGRA_210_SOC extern const struct tegra_mc_soc tegra210_mc_soc; #endif #ifdef CONFIG_ARCH_TEGRA_186_SOC extern const struct tegra_mc_soc tegra186_mc_soc; #endif #ifdef CONFIG_ARCH_TEGRA_194_SOC extern const struct tegra_mc_soc tegra194_mc_soc; #endif #ifdef CONFIG_ARCH_TEGRA_234_SOC extern const struct tegra_mc_soc tegra234_mc_soc; #endif #ifdef CONFIG_ARCH_TEGRA_264_SOC extern const struct tegra_mc_soc tegra264_mc_soc; #endif #if defined(CONFIG_ARCH_TEGRA_3x_SOC) || \ defined(CONFIG_ARCH_TEGRA_114_SOC) || \ defined(CONFIG_ARCH_TEGRA_124_SOC) || \ defined(CONFIG_ARCH_TEGRA_132_SOC) || \ defined(CONFIG_ARCH_TEGRA_210_SOC) int tegra30_mc_probe(struct tegra_mc *mc); extern const struct tegra_mc_ops tegra30_mc_ops; #endif #if defined(CONFIG_ARCH_TEGRA_186_SOC) || \ defined(CONFIG_ARCH_TEGRA_194_SOC) || \ defined(CONFIG_ARCH_TEGRA_234_SOC) || \ defined(CONFIG_ARCH_TEGRA_264_SOC) extern const struct tegra_mc_ops tegra186_mc_ops; #endif irqreturn_t tegra30_mc_handle_irq(int irq, void *data); extern const irq_handler_t tegra30_mc_irq_handlers[1]; extern const char * const tegra_mc_status_names[32]; extern const char * const tegra20_mc_error_names[8]; /* * These IDs are for internal use of Tegra ICC drivers. The ID numbers are * chosen such that they don't conflict with the device-tree ICC node IDs. */ #define TEGRA_ICC_MC 1000 #define TEGRA_ICC_EMC 1001 #define TEGRA_ICC_EMEM 1002 #endif /* MEMORY_TEGRA_MC_H */