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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:13:47 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:13:47 +0000 |
commit | 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 (patch) | |
tree | bcf648efac40ca6139842707f0eba5a4496a6dd2 /plat/nvidia/tegra/include/drivers/smmu.h | |
parent | Initial commit. (diff) | |
download | arm-trusted-firmware-102b0d2daa97dae68d3eed54d8fe37a9cc38a892.tar.xz arm-trusted-firmware-102b0d2daa97dae68d3eed54d8fe37a9cc38a892.zip |
Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'plat/nvidia/tegra/include/drivers/smmu.h')
-rw-r--r-- | plat/nvidia/tegra/include/drivers/smmu.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/plat/nvidia/tegra/include/drivers/smmu.h b/plat/nvidia/tegra/include/drivers/smmu.h new file mode 100644 index 0000000..1de9af6 --- /dev/null +++ b/plat/nvidia/tegra/include/drivers/smmu.h @@ -0,0 +1,92 @@ +/* + * 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 */ |