213 lines
		
	
	
		
			6.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			213 lines
		
	
	
		
			6.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0-only */
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| /*
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|  * Copyright (C) 2014 NVIDIA CORPORATION.  All rights reserved.
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|  */
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| 
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| #ifndef MEMORY_TEGRA_MC_H
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| #define MEMORY_TEGRA_MC_H
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| 
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| #include <linux/bits.h>
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| #include <linux/io.h>
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| #include <linux/types.h>
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| 
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| #include <soc/tegra/mc.h>
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| 
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| #define MC_INTSTATUS					0x00
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| #define MC_INTMASK					0x04
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| #define MC_ERR_STATUS					0x08
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| #define MC_ERR_ADR					0x0c
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| #define MC_GART_ERROR_REQ				0x30
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| #define MC_EMEM_ADR_CFG					0x54
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| #define MC_DECERR_EMEM_OTHERS_STATUS			0x58
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| #define MC_SECURITY_VIOLATION_STATUS			0x74
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| #define MC_EMEM_ARB_CFG					0x90
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| #define MC_EMEM_ARB_OUTSTANDING_REQ			0x94
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| #define MC_EMEM_ARB_TIMING_RCD				0x98
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| #define MC_EMEM_ARB_TIMING_RP				0x9c
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| #define MC_EMEM_ARB_TIMING_RC				0xa0
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| #define MC_EMEM_ARB_TIMING_RAS				0xa4
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| #define MC_EMEM_ARB_TIMING_FAW				0xa8
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| #define MC_EMEM_ARB_TIMING_RRD				0xac
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| #define MC_EMEM_ARB_TIMING_RAP2PRE			0xb0
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| #define MC_EMEM_ARB_TIMING_WAP2PRE			0xb4
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| #define MC_EMEM_ARB_TIMING_R2R				0xb8
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| #define MC_EMEM_ARB_TIMING_W2W				0xbc
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| #define MC_EMEM_ARB_TIMING_R2W				0xc0
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| #define MC_EMEM_ARB_TIMING_W2R				0xc4
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| #define MC_EMEM_ARB_MISC2				0xc8
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| #define MC_EMEM_ARB_DA_TURNS				0xd0
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| #define MC_EMEM_ARB_DA_COVERS				0xd4
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| #define MC_EMEM_ARB_MISC0				0xd8
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| #define MC_EMEM_ARB_MISC1				0xdc
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| #define MC_EMEM_ARB_RING1_THROTTLE			0xe0
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| #define MC_EMEM_ARB_OVERRIDE				0xe8
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| #define MC_TIMING_CONTROL_DBG				0xf8
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| #define MC_TIMING_CONTROL				0xfc
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| #define MC_ERR_VPR_STATUS				0x654
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| #define MC_ERR_VPR_ADR					0x658
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| #define MC_ERR_SEC_STATUS				0x67c
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| #define MC_ERR_SEC_ADR					0x680
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| #define MC_ERR_MTS_STATUS				0x9b0
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| #define MC_ERR_MTS_ADR					0x9b4
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| #define MC_ERR_ROUTE_SANITY_STATUS			0x9c0
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| #define MC_ERR_ROUTE_SANITY_ADR				0x9c4
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| #define MC_ERR_GENERALIZED_CARVEOUT_STATUS		0xc00
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| #define MC_ERR_GENERALIZED_CARVEOUT_ADR			0xc04
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| #define MC_EMEM_ADR_CFG_CHANNEL_ENABLE			0xdf8
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| #define MC_GLOBAL_INTSTATUS				0xf24
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| #define MC_ERR_ADR_HI					0x11fc
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| 
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| #define MC_INT_DECERR_ROUTE_SANITY			BIT(20)
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| #define MC_INT_DECERR_GENERALIZED_CARVEOUT		BIT(17)
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| #define MC_INT_DECERR_MTS				BIT(16)
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| #define MC_INT_SECERR_SEC				BIT(13)
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| #define MC_INT_DECERR_VPR				BIT(12)
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| #define MC_INT_INVALID_APB_ASID_UPDATE			BIT(11)
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| #define MC_INT_INVALID_SMMU_PAGE			BIT(10)
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| #define MC_INT_ARBITRATION_EMEM				BIT(9)
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| #define MC_INT_SECURITY_VIOLATION			BIT(8)
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| #define MC_INT_INVALID_GART_PAGE			BIT(7)
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| #define MC_INT_DECERR_EMEM				BIT(6)
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| 
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| #define MC_ERR_STATUS_TYPE_SHIFT			28
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| #define MC_ERR_STATUS_TYPE_INVALID_SMMU_PAGE		(0x6 << 28)
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| #define MC_ERR_STATUS_TYPE_MASK				(0x7 << 28)
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| #define MC_ERR_STATUS_READABLE				BIT(27)
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| #define MC_ERR_STATUS_WRITABLE				BIT(26)
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| #define MC_ERR_STATUS_NONSECURE				BIT(25)
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| #define MC_ERR_STATUS_ADR_HI_SHIFT			20
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| #define MC_ERR_STATUS_ADR_HI_MASK			0x3
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| #define MC_ERR_STATUS_SECURITY				BIT(17)
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| #define MC_ERR_STATUS_RW				BIT(16)
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| 
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| #define MC_EMEM_ADR_CFG_EMEM_NUMDEV			BIT(0)
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| 
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| #define MC_EMEM_ARB_CFG_CYCLES_PER_UPDATE(x)		((x) & 0x1ff)
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| #define MC_EMEM_ARB_CFG_CYCLES_PER_UPDATE_MASK		0x1ff
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| 
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| #define MC_EMEM_ARB_OUTSTANDING_REQ_MAX_MASK		0x1ff
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| #define MC_EMEM_ARB_OUTSTANDING_REQ_HOLDOFF_OVERRIDE	BIT(30)
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| #define MC_EMEM_ARB_OUTSTANDING_REQ_LIMIT_ENABLE	BIT(31)
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| 
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| #define MC_EMEM_ARB_OVERRIDE_EACK_MASK			0x3
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| 
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| #define MC_TIMING_UPDATE				BIT(0)
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| 
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| #define MC_BROADCAST_CHANNEL				~0
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| 
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| static inline u32 tegra_mc_scale_percents(u64 val, unsigned int percents)
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| {
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| 	val = val * percents;
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| 	do_div(val, 100);
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| 
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| 	return min_t(u64, val, U32_MAX);
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| }
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| 
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| static inline struct tegra_mc *
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| icc_provider_to_tegra_mc(struct icc_provider *provider)
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| {
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| 	return container_of(provider, struct tegra_mc, provider);
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| }
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| 
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| static inline u32 mc_ch_readl(const struct tegra_mc *mc, int ch,
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| 			      unsigned long offset)
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| {
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| 	if (!mc->bcast_ch_regs)
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| 		return 0;
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| 
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| 	if (ch == MC_BROADCAST_CHANNEL)
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| 		return readl_relaxed(mc->bcast_ch_regs + offset);
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| 
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| 	return readl_relaxed(mc->ch_regs[ch] + offset);
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| }
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| 
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| static inline void mc_ch_writel(const struct tegra_mc *mc, int ch,
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| 				u32 value, unsigned long offset)
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| {
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| 	if (!mc->bcast_ch_regs)
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| 		return;
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| 
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| 	if (ch == MC_BROADCAST_CHANNEL)
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| 		writel_relaxed(value, mc->bcast_ch_regs + offset);
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| 	else
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| 		writel_relaxed(value, mc->ch_regs[ch] + offset);
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| }
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| 
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| static inline u32 mc_readl(const struct tegra_mc *mc, unsigned long offset)
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| {
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| 	return readl_relaxed(mc->regs + offset);
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| }
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| 
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| static inline void mc_writel(const struct tegra_mc *mc, u32 value,
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| 			     unsigned long offset)
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| {
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| 	writel_relaxed(value, mc->regs + offset);
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| }
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| 
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| extern const struct tegra_mc_reset_ops tegra_mc_reset_ops_common;
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| 
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| #ifdef CONFIG_ARCH_TEGRA_2x_SOC
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| extern const struct tegra_mc_soc tegra20_mc_soc;
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| #endif
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| 
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| #ifdef CONFIG_ARCH_TEGRA_3x_SOC
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| extern const struct tegra_mc_soc tegra30_mc_soc;
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| #endif
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| 
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| #ifdef CONFIG_ARCH_TEGRA_114_SOC
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| extern const struct tegra_mc_soc tegra114_mc_soc;
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| #endif
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| 
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| #ifdef CONFIG_ARCH_TEGRA_124_SOC
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| extern const struct tegra_mc_soc tegra124_mc_soc;
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| #endif
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| 
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| #ifdef CONFIG_ARCH_TEGRA_132_SOC
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| extern const struct tegra_mc_soc tegra132_mc_soc;
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| #endif
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| 
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| #ifdef CONFIG_ARCH_TEGRA_210_SOC
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| extern const struct tegra_mc_soc tegra210_mc_soc;
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| #endif
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| 
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| #ifdef CONFIG_ARCH_TEGRA_186_SOC
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| extern const struct tegra_mc_soc tegra186_mc_soc;
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| #endif
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| 
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| #ifdef CONFIG_ARCH_TEGRA_194_SOC
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| extern const struct tegra_mc_soc tegra194_mc_soc;
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| #endif
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| 
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| #ifdef CONFIG_ARCH_TEGRA_234_SOC
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| extern const struct tegra_mc_soc tegra234_mc_soc;
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| #endif
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| 
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| #if defined(CONFIG_ARCH_TEGRA_3x_SOC) || \
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|     defined(CONFIG_ARCH_TEGRA_114_SOC) || \
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|     defined(CONFIG_ARCH_TEGRA_124_SOC) || \
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|     defined(CONFIG_ARCH_TEGRA_132_SOC) || \
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|     defined(CONFIG_ARCH_TEGRA_210_SOC)
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| int tegra30_mc_probe(struct tegra_mc *mc);
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| extern const struct tegra_mc_ops tegra30_mc_ops;
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| #endif
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| 
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| #if defined(CONFIG_ARCH_TEGRA_186_SOC) || \
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|     defined(CONFIG_ARCH_TEGRA_194_SOC) || \
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|     defined(CONFIG_ARCH_TEGRA_234_SOC)
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| extern const struct tegra_mc_ops tegra186_mc_ops;
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| #endif
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| 
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| irqreturn_t tegra30_mc_handle_irq(int irq, void *data);
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| extern const char * const tegra_mc_status_names[32];
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| extern const char * const tegra_mc_error_names[8];
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| 
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| /*
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|  * These IDs are for internal use of Tegra ICC drivers. The ID numbers are
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|  * chosen such that they don't conflict with the device-tree ICC node IDs.
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|  */
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| #define TEGRA_ICC_MC		1000
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| #define TEGRA_ICC_EMC		1001
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| #define TEGRA_ICC_EMEM		1002
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| 
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| #endif /* MEMORY_TEGRA_MC_H */
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