plat: xilinx: versal: Add load Pdi API support
This patch adds support for load pdi api to enable loading pdi from linux. Signed-off-by: Jolly Shah <jolly.shah@xilinx.com> Change-Id: I48549e276e1f7b9be45a0bebf559f73bd09d5f69
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@ -802,6 +802,9 @@ enum pm_ret_status pm_feature_check(uint32_t api_id, unsigned int *version)
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case PM_FEATURE_CHECK:
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*version = (PM_API_BASE_VERSION << 16);
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break;
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case PM_LOAD_PDI:
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*version = (PM_API_BASE_VERSION << 16);
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return PM_RET_SUCCESS;
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default:
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*version = 0U;
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return PM_RET_ERROR_NOFEATURE;
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@ -817,3 +820,25 @@ enum pm_ret_status pm_feature_check(uint32_t api_id, unsigned int *version)
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return PM_RET_SUCCESS;
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}
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/**
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* pm_load_pdi() - Load the PDI
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*
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* This function provides support to load PDI from linux
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*
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* src: Source device of pdi(DDR, OCM, SD etc)
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* address_low: lower 32-bit Linear memory space address
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* address_high: higher 32-bit Linear memory space address
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*
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* @return Returns status, either success or error+reason
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*/
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enum pm_ret_status pm_load_pdi(uint32_t src,
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uint32_t address_low, uint32_t address_high)
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{
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uint32_t payload[PAYLOAD_ARG_CNT];
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/* Send request to the PMU */
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PM_PACK_PAYLOAD4(payload, LOADER_MODULE_ID, PM_LOAD_PDI, src,
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address_high, address_low);
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return pm_ipi_send_sync(primary_proc, payload, NULL, 0);
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}
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@ -66,4 +66,6 @@ enum pm_ret_status pm_query_data(uint32_t qid, uint32_t arg1, uint32_t arg2,
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uint32_t arg3, uint32_t *data);
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unsigned int pm_get_shutdown_scope(void);
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enum pm_ret_status pm_feature_check(uint32_t api_id, unsigned int *version);
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enum pm_ret_status pm_load_pdi(uint32_t src, uint32_t address_low,
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uint32_t address_high);
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#endif /* PM_API_SYS_H */
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@ -78,6 +78,9 @@
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#define PM_PLL_GET_MODE 51U
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#define PM_FEATURE_CHECK 63U
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/* Loader API ids */
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#define PM_LOAD_PDI 0x701U
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/* IOCTL IDs for clock driver */
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#define IOCTL_SET_PLL_FRAC_MODE 8
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#define IOCTL_GET_PLL_FRAC_MODE 9
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@ -298,6 +298,12 @@ uint64_t pm_smc_handler(uint32_t smc_fid, uint64_t x1, uint64_t x2, uint64_t x3,
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SMC_RET1(handle, (uint64_t)ret | ((uint64_t)version << 32));
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}
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case PM_LOAD_PDI:
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{
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ret = pm_load_pdi(pm_arg[0], pm_arg[1], pm_arg[2]);
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SMC_RET1(handle, (uint64_t)ret);
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}
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default:
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WARN("Unimplemented PM Service Call: 0x%x\n", smc_fid);
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SMC_RET1(handle, SMC_UNK);
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