diff options
Diffstat (limited to 'plat/imx/common/imx_sip_handler.c')
| -rw-r--r-- | plat/imx/common/imx_sip_handler.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/plat/imx/common/imx_sip_handler.c b/plat/imx/common/imx_sip_handler.c index f9f5577c4..d4b3425af 100644 --- a/plat/imx/common/imx_sip_handler.c +++ b/plat/imx/common/imx_sip_handler.c @@ -14,6 +14,7 @@ #include <common/runtime_svc.h> #include <imx_sip_svc.h> #include <lib/el3_runtime/context_mgmt.h> +#include <lib/mmio.h> #include <sci/sci.h> #if defined(PLAT_imx8qm) || defined(PLAT_imx8qx) @@ -145,6 +146,37 @@ int imx_misc_set_temp_handler(uint32_t smc_fid, #endif /* defined(PLAT_imx8qm) || defined(PLAT_imx8qx) */ +#if defined(PLAT_imx8mm) || defined(PLAT_imx8mq) +int imx_src_handler(uint32_t smc_fid, + u_register_t x1, + u_register_t x2, + u_register_t x3, + void *handle) +{ + uint32_t val; + + switch (x1) { + case IMX_SIP_SRC_SET_SECONDARY_BOOT: + if (x2 != 0U) { + mmio_setbits_32(IMX_SRC_BASE + SRC_GPR10_OFFSET, + SRC_GPR10_PERSIST_SECONDARY_BOOT); + } else { + mmio_clrbits_32(IMX_SRC_BASE + SRC_GPR10_OFFSET, + SRC_GPR10_PERSIST_SECONDARY_BOOT); + } + break; + case IMX_SIP_SRC_IS_SECONDARY_BOOT: + val = mmio_read_32(IMX_SRC_BASE + SRC_GPR10_OFFSET); + return !!(val & SRC_GPR10_PERSIST_SECONDARY_BOOT); + default: + return SMC_UNK; + + }; + + return 0; +} +#endif /* defined(PLAT_imx8mm) || defined(PLAT_imx8mq) */ + static uint64_t imx_get_commit_hash(u_register_t x2, u_register_t x3, u_register_t x4) |