Commit e4c54c0d authored by Jolly Shah's avatar Jolly Shah
Browse files

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: default avatarJolly Shah <jolly.shah@xilinx.com>
Change-Id: I48549e276e1f7b9be45a0bebf559f73bd09d5f69
parent 39db98ef
......@@ -802,6 +802,9 @@ enum pm_ret_status pm_feature_check(uint32_t api_id, unsigned int *version)
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 @@ enum pm_ret_status pm_feature_check(uint32_t api_id, unsigned int *version)
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);
}
......@@ -66,4 +66,6 @@ enum pm_ret_status pm_query_data(uint32_t qid, uint32_t arg1, uint32_t arg2,
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 */
......@@ -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
......
......@@ -298,6 +298,12 @@ uint64_t pm_smc_handler(uint32_t smc_fid, uint64_t x1, uint64_t x2, uint64_t x3,
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);
......
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