Commit f50828d5 authored by Saeed Nowshadi's avatar Saeed Nowshadi Committed by Jolly Shah
Browse files

xilinx: versal: Add support for PM_GET_OPERATING_CHARACTERISTIC EEMI call



This patch adds EEMI support for PM_GET_OPERATING_CHARACTERISTIC api id.  This
interface obtains operating characteristic of a device from PMC firmware.  The
'power', 'temperature', and 'latency' characteristic are the options that are
supported.

Signed-off-by: default avatarSaeed Nowshadi <saeed.nowshadi@xilinx.com>
Signed-off-by: default avatarJolly Shah <jolly.shah@xilinx.com>
Change-Id: If30959ba6a3a778a17df2a4281c2c09832cf7e92
parent ea6e1c39
......@@ -785,6 +785,7 @@ enum pm_ret_status pm_feature_check(uint32_t api_id, unsigned int *version)
return PM_RET_SUCCESS;
case PM_GET_API_VERSION:
case PM_GET_DEVICE_STATUS:
case PM_GET_OP_CHARACTERISTIC:
case PM_REQ_SUSPEND:
case PM_SELF_SUSPEND:
case PM_FORCE_POWERDOWN:
......@@ -859,3 +860,26 @@ enum pm_ret_status pm_load_pdi(uint32_t src,
address_high, address_low);
return pm_ipi_send_sync(primary_proc, payload, NULL, 0);
}
/**
* pm_get_op_characteristic() - PM call to request operating characteristics
* of a device
* @device_id Device id
* @type Type of the operating characteristic
* (power, temperature and latency)
* @result Returns the operating characteristic for the requested device,
* specified by the type
*
* @return Returns status, either success or error+reason
*/
enum pm_ret_status pm_get_op_characteristic(uint32_t device_id,
enum pm_opchar_type type,
uint32_t *result)
{
uint32_t payload[PAYLOAD_ARG_CNT];
/* Send request to the PMC */
PM_PACK_PAYLOAD3(payload, LIBPM_MODULE_ID, PM_GET_OP_CHARACTERISTIC,
device_id, type);
return pm_ipi_send_sync(primary_proc, payload, result, 1);
}
......@@ -69,4 +69,7 @@ enum pm_ret_status pm_get_chipid(uint32_t *value);
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);
enum pm_ret_status pm_get_op_characteristic(uint32_t device_id,
enum pm_opchar_type type,
uint32_t *result);
#endif /* PM_API_SYS_H */
......@@ -42,6 +42,7 @@
/* PM API ids */
#define PM_GET_API_VERSION 1U
#define PM_GET_DEVICE_STATUS 3U
#define PM_GET_OP_CHARACTERISTIC 4U
#define PM_REQ_SUSPEND 6U
#define PM_SELF_SUSPEND 7U
#define PM_FORCE_POWERDOWN 8U
......@@ -112,6 +113,12 @@ enum pm_abort_reason {
ABORT_REASON_UNKNOWN,
};
enum pm_opchar_type {
PM_OPCHAR_TYPE_POWER = 1,
PM_OPCHAR_TYPE_TEMP,
PM_OPCHAR_TYPE_LATENCY,
};
/**
* Subsystem IDs
*/
......
......@@ -313,6 +313,14 @@ uint64_t pm_smc_handler(uint32_t smc_fid, uint64_t x1, uint64_t x2, uint64_t x3,
SMC_RET1(handle, (uint64_t)ret);
}
case PM_GET_OP_CHARACTERISTIC:
{
uint32_t result;
ret = pm_get_op_characteristic(pm_arg[0], pm_arg[1], &result);
SMC_RET1(handle, (uint64_t)ret | ((uint64_t)result << 32));
}
default:
WARN("Unimplemented PM Service Call: 0x%x\n", smc_fid);
SMC_RET1(handle, SMC_UNK);
......
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