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/*
* Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
* Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef SMMU_H
#define SMMU_H
#include <lib/mmio.h>
#include <memctrl_v2.h>
#include <tegra_def.h>
#define SMMU_CBn_ACTLR (0x4U)
/*******************************************************************************
* SMMU Global Secure Aux. Configuration Register
******************************************************************************/
#define SMMU_GSR0_SECURE_ACR 0x10U
#define SMMU_GNSR_ACR (SMMU_GSR0_SECURE_ACR + 0x400U)
#define SMMU_GSR0_PGSIZE_SHIFT 16U
#define SMMU_GSR0_PGSIZE_4K (0U << SMMU_GSR0_PGSIZE_SHIFT)
#define SMMU_GSR0_PGSIZE_64K (1U << SMMU_GSR0_PGSIZE_SHIFT)
#define SMMU_ACR_CACHE_LOCK_ENABLE_BIT (1ULL << 26U)
#define SMMU_GSR0_PER (0x20200U)
/*******************************************************************************
* SMMU Global Aux. Control Register
******************************************************************************/
#define SMMU_CBn_ACTLR_CPRE_BIT (1ULL << 1U)
/* SMMU IDs currently supported by the driver */
enum {
TEGRA_SMMU0 = 0U,
TEGRA_SMMU1 = 1U,
TEGRA_SMMU2 = 2U
};
static inline uint32_t tegra_smmu_read_32(uint32_t smmu_id, uint32_t off)
{
uint32_t ret = 0U;
#if defined(TEGRA_SMMU0_BASE)
if (smmu_id == TEGRA_SMMU0) {
ret = mmio_read_32(TEGRA_SMMU0_BASE + (uint64_t)off);
}
#endif
#if defined(TEGRA_SMMU1_BASE)
if (smmu_id == TEGRA_SMMU1) {
ret = mmio_read_32(TEGRA_SMMU1_BASE + (uint64_t)off);
}
#endif
#if defined(TEGRA_SMMU2_BASE)
if (smmu_id == TEGRA_SMMU2) {
ret = mmio_read_32(TEGRA_SMMU2_BASE + (uint64_t)off);
}
#endif
return ret;
}
static inline void tegra_smmu_write_32(uint32_t smmu_id,
uint32_t off, uint32_t val)
{
#if defined(TEGRA_SMMU0_BASE)
if (smmu_id == TEGRA_SMMU0) {
mmio_write_32(TEGRA_SMMU0_BASE + (uint64_t)off, val);
}
#endif
#if defined(TEGRA_SMMU1_BASE)
if (smmu_id == TEGRA_SMMU1) {
mmio_write_32(TEGRA_SMMU1_BASE + (uint64_t)off, val);
}
#endif
#if defined(TEGRA_SMMU2_BASE)
if (smmu_id == TEGRA_SMMU2) {
mmio_write_32(TEGRA_SMMU2_BASE + (uint64_t)off, val);
}
#endif
}
void tegra_smmu_init(void);
void tegra_smmu_verify(void);
uint32_t plat_get_num_smmu_devices(void);
#endif /* SMMU_H */
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