diff options
Diffstat (limited to 'plat/mediatek/common/mtk_plat_common.c')
| -rw-r--r-- | plat/mediatek/common/mtk_plat_common.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/plat/mediatek/common/mtk_plat_common.c b/plat/mediatek/common/mtk_plat_common.c index a07a2981a..f57e4357d 100644 --- a/plat/mediatek/common/mtk_plat_common.c +++ b/plat/mediatek/common/mtk_plat_common.c @@ -10,8 +10,10 @@ #include <drivers/arm/cci.h> #include <drivers/console.h> #include <lib/mmio.h> +#include <lib/smccc.h> #include <lib/xlat_tables/xlat_tables.h> #include <plat/common/platform.h> +#include <services/arm_arch_svc.h> #include <mtk_plat_common.h> #include <mtk_sip_svc.h> @@ -116,3 +118,33 @@ uint32_t plat_get_spsr_for_bl33_entry(void) spsr = SPSR_MODE32(mode, 0, ee, daif); return spsr; } + +/***************************************************************************** + * plat_is_smccc_feature_available() - This function checks whether SMCCC + * feature is availabile for platform. + * @fid: SMCCC function id + * + * Return SMC_OK if SMCCC feature is available and SMC_ARCH_CALL_NOT_SUPPORTED + * otherwise. + *****************************************************************************/ +int32_t plat_is_smccc_feature_available(u_register_t fid) +{ + switch (fid) { + case SMCCC_ARCH_SOC_ID: + return SMC_ARCH_CALL_SUCCESS; + default: + return SMC_ARCH_CALL_NOT_SUPPORTED; + } +} + +int32_t plat_get_soc_version(void) +{ + uint32_t manfid = (JEDEC_MTK_BKID << 24U) | (JEDEC_MTK_MFID << 16U); + + return (int32_t)(manfid | (SOC_CHIP_ID & 0xFFFFU)); +} + +int32_t plat_get_soc_revision(void) +{ + return 0; +} |