diff --git a/plat/xilinx/versal/pm_service/pm_api_sys.c b/plat/xilinx/versal/pm_service/pm_api_sys.c index 54fd6e1..e48fbf5 100644 --- a/plat/xilinx/versal/pm_service/pm_api_sys.c +++ b/plat/xilinx/versal/pm_service/pm_api_sys.c @@ -802,6 +802,9 @@ case PM_FEATURE_CHECK: *version = (PM_API_BASE_VERSION << 16); break; + case PM_LOAD_PDI: + *version = (PM_API_BASE_VERSION << 16); + return PM_RET_SUCCESS; default: *version = 0U; return PM_RET_ERROR_NOFEATURE; @@ -817,3 +820,25 @@ return PM_RET_SUCCESS; } + +/** + * pm_load_pdi() - Load the PDI + * + * This function provides support to load PDI from linux + * + * src: Source device of pdi(DDR, OCM, SD etc) + * address_low: lower 32-bit Linear memory space address + * address_high: higher 32-bit Linear memory space address + * + * @return Returns status, either success or error+reason + */ +enum pm_ret_status pm_load_pdi(uint32_t src, + uint32_t address_low, uint32_t address_high) +{ + uint32_t payload[PAYLOAD_ARG_CNT]; + + /* Send request to the PMU */ + PM_PACK_PAYLOAD4(payload, LOADER_MODULE_ID, PM_LOAD_PDI, src, + address_high, address_low); + return pm_ipi_send_sync(primary_proc, payload, NULL, 0); +} diff --git a/plat/xilinx/versal/pm_service/pm_api_sys.h b/plat/xilinx/versal/pm_service/pm_api_sys.h index 4e884e0..5effbb6 100644 --- a/plat/xilinx/versal/pm_service/pm_api_sys.h +++ b/plat/xilinx/versal/pm_service/pm_api_sys.h @@ -66,4 +66,6 @@ uint32_t arg3, uint32_t *data); unsigned int pm_get_shutdown_scope(void); enum pm_ret_status pm_feature_check(uint32_t api_id, unsigned int *version); +enum pm_ret_status pm_load_pdi(uint32_t src, uint32_t address_low, + uint32_t address_high); #endif /* PM_API_SYS_H */ diff --git a/plat/xilinx/versal/pm_service/pm_defs.h b/plat/xilinx/versal/pm_service/pm_defs.h index a7b0a02..892804d 100644 --- a/plat/xilinx/versal/pm_service/pm_defs.h +++ b/plat/xilinx/versal/pm_service/pm_defs.h @@ -78,6 +78,9 @@ #define PM_PLL_GET_MODE 51U #define PM_FEATURE_CHECK 63U +/* Loader API ids */ +#define PM_LOAD_PDI 0x701U + /* IOCTL IDs for clock driver */ #define IOCTL_SET_PLL_FRAC_MODE 8 #define IOCTL_GET_PLL_FRAC_MODE 9 diff --git a/plat/xilinx/versal/pm_service/pm_svc_main.c b/plat/xilinx/versal/pm_service/pm_svc_main.c index b5a6783..bbe8097 100644 --- a/plat/xilinx/versal/pm_service/pm_svc_main.c +++ b/plat/xilinx/versal/pm_service/pm_svc_main.c @@ -298,6 +298,12 @@ SMC_RET1(handle, (uint64_t)ret | ((uint64_t)version << 32)); } + case PM_LOAD_PDI: + { + ret = pm_load_pdi(pm_arg[0], pm_arg[1], pm_arg[2]); + SMC_RET1(handle, (uint64_t)ret); + } + default: WARN("Unimplemented PM Service Call: 0x%x\n", smc_fid); SMC_RET1(handle, SMC_UNK);