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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:13:47 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:13:47 +0000 |
| commit | 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 (patch) | |
| tree | bcf648efac40ca6139842707f0eba5a4496a6dd2 /include/drivers/nxp/smmu/nxp_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 '')
| -rw-r--r-- | include/drivers/nxp/smmu/nxp_smmu.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/include/drivers/nxp/smmu/nxp_smmu.h b/include/drivers/nxp/smmu/nxp_smmu.h new file mode 100644 index 0000000..d64c33b --- /dev/null +++ b/include/drivers/nxp/smmu/nxp_smmu.h @@ -0,0 +1,30 @@ +/* + * Copyright 2018-2020 NXP + * + * SPDX-License-Identifier: BSD-3-Clause + * + */ + +#ifndef NXP_SMMU_H +#define NXP_SMMU_H + +#define SMMU_SCR0 (0x0) +#define SMMU_NSCR0 (0x400) + +#define SCR0_CLIENTPD_MASK 0x00000001 +#define SCR0_USFCFG_MASK 0x00000400 + +static inline void bypass_smmu(uintptr_t smmu_base_addr) +{ + uint32_t val; + + val = (mmio_read_32(smmu_base_addr + SMMU_SCR0) | SCR0_CLIENTPD_MASK) & + ~(SCR0_USFCFG_MASK); + mmio_write_32((smmu_base_addr + SMMU_SCR0), val); + + val = (mmio_read_32(smmu_base_addr + SMMU_NSCR0) | SCR0_CLIENTPD_MASK) & + ~(SCR0_USFCFG_MASK); + mmio_write_32((smmu_base_addr + SMMU_NSCR0), val); +} + +#endif |