diff options
| author | Ben Zong-You Xie <[email protected]> | 2024-07-23 15:57:26 +0800 |
|---|---|---|
| committer | Anup Patel <[email protected]> | 2024-08-23 14:05:39 +0530 |
| commit | 4a72abb5f490c01a5a4dd24930ccae9c42d15c74 (patch) | |
| tree | 29706c3d109c94738a02c48b85c283a3a0121733 /platform/generic/include | |
| parent | 17100394f9d7f035df75f1656e9ac36dd396acc4 (diff) | |
platform: generic: andes: add Andes SBI call to probe Andes PMA feature
Add a new Andes SBI call to check whether PPMA is supported by hardware
or not.
Signed-off-by: Ben Zong-You Xie <[email protected]>
Reviewed-by: Anup Patel <[email protected]>
Diffstat (limited to 'platform/generic/include')
| -rw-r--r-- | platform/generic/include/andes/andes_pma.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/platform/generic/include/andes/andes_pma.h b/platform/generic/include/andes/andes_pma.h index 5ea12475..147dca1e 100644 --- a/platform/generic/include/andes/andes_pma.h +++ b/platform/generic/include/andes/andes_pma.h @@ -47,4 +47,16 @@ struct andes_pma_region { int andes_pma_setup_regions(const struct andes_pma_region *pma_regions, unsigned int pma_regions_count); +/** + * Programmable PMA(PPMA) is a feature for Andes. PPMA allows dynamic adjustment + * of memory attributes in the runtime. It contains a configurable amount of PMA + * entries implemented as CSRs to control the attributes of memory locations. + * + * Check if hardware supports PPMA + * + * @return true if PPMA is supported + * @return false if PPMA is not supported + */ +bool andes_sbi_probe_pma(void); + #endif /* _ANDES_PMA_H_ */ |