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| author | vallau01 <valentin.laurent@trustonic.com> | 2022-08-02 16:16:11 +0200 |
|---|---|---|
| committer | Lukas Hanel <lukas.hanel@trustonic.com> | 2022-11-02 15:35:03 +0100 |
| commit | 5f905a249839e9e20ebf44c22d95caaf3a2e5611 (patch) | |
| tree | 3a63aa24042fd9806e6f5ddaf6bc7539fd83886f /plat/hisilicon/hikey960/hikey960_bl31_setup.c | |
| parent | feebd4c7a86b6f0fcc1eb5008ba5f7d44e75beaf (diff) | |
| download | arm-trusted-firmware-5f905a249839e9e20ebf44c22d95caaf3a2e5611.tar.gz | |
feat(hikey960): add memory sharing hooks for SPMC_AT_EL3
These allows a platform to do any System-MMU/IOMMU configuration
in line with FF-A memory sharing.
Change-Id: Id517759198421a32c5d16bf5bb99590275e77736
Signed-off-by: vallau01 <valentin.laurent@trustonic.com>
Signed-off-by: Lukas Hanel <lukas.hanel@trustonic.com>
Diffstat (limited to 'plat/hisilicon/hikey960/hikey960_bl31_setup.c')
| -rw-r--r-- | plat/hisilicon/hikey960/hikey960_bl31_setup.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/plat/hisilicon/hikey960/hikey960_bl31_setup.c b/plat/hisilicon/hikey960/hikey960_bl31_setup.c index f39476ebf..49918ef87 100644 --- a/plat/hisilicon/hikey960/hikey960_bl31_setup.c +++ b/plat/hisilicon/hikey960/hikey960_bl31_setup.c @@ -22,6 +22,7 @@ #include <lib/mmio.h> #include <lib/xlat_tables/xlat_tables_v2.h> #include <plat/common/platform.h> +#include <services/el3_spmc_ffa_memory.h> #include <hi3660.h> #include <hisi_ipc.h> @@ -182,6 +183,26 @@ int plat_spmc_shmem_datastore_get(uint8_t **datastore, size_t *size) *size = SPMC_SHARED_MEMORY_OBJ_SIZE; return 0; } + +/* + * Add dummy implementations of memory management related platform hooks. + * These can be used to implement platform specific functionality to support + * a memory sharing/lending operation. + * + * Note: The hooks must be located as part of the initial share request and + * final reclaim to prevent order dependencies with operations that may take + * place in the normal world without visibility of the SPMC. + */ +int plat_spmc_shmem_begin(struct ffa_mtd *desc) +{ + return 0; +} + +int plat_spmc_shmem_reclaim(struct ffa_mtd *desc) +{ + return 0; +} + #endif void bl31_platform_setup(void) |