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feat(plat/xilinx/zynqmp): add support for runtime feature config

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Add support for runtime feature configuration which are running on the
 firmware. Add new IOCTL IDs like IOCTL_SET_FEATURE_CONFIG and
 IOCTL_GET_FEATURE_CONFIG for configuring the features.

Signed-off-by: Ronak Jain <ronak.jain@xilinx.com>
Change-Id: I976aef15932783a25396b2adeb4c8f140cc87e79
This commit is contained in:
Ronak Jain 2021-08-11 00:26:28 -07:00
parent 38c0b2521a
commit 578f468ac0
4 changed files with 45 additions and 0 deletions
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4
plat/xilinx/zynqmp/pm_service/pm_api_ioctl.c
View file

@ -677,6 +677,10 @@ enum pm_ret_status pm_api_ioctl(enum pm_node_id nid,
case IOCTL_AFI: case IOCTL_AFI:
ret = pm_ioctl_afi(arg1, arg2); ret = pm_ioctl_afi(arg1, arg2);
break; break;
case IOCTL_SET_FEATURE_CONFIG:
case IOCTL_GET_FEATURE_CONFIG:
ret = pm_feature_config(ioctl_id, arg1, arg2, value);
break;
default: default:
ret = PM_RET_ERROR_NOTSUPPORTED; ret = PM_RET_ERROR_NOTSUPPORTED;
break; break;

3
plat/xilinx/zynqmp/pm_service/pm_api_ioctl.h
View file

@ -49,6 +49,9 @@ enum {
IOCTL_AIE_ISR_CLEAR = 24, IOCTL_AIE_ISR_CLEAR = 24,
/* Register SGI to ATF */ /* Register SGI to ATF */
IOCTL_REGISTER_SGI = 25, IOCTL_REGISTER_SGI = 25,
/* Runtime feature configuration */
IOCTL_SET_FEATURE_CONFIG = 26,
IOCTL_GET_FEATURE_CONFIG = 27,
}; };
//RPU operation mode //RPU operation mode

33
plat/xilinx/zynqmp/pm_service/pm_api_sys.c
View file

@ -1648,3 +1648,36 @@ enum pm_ret_status em_send_errors(unsigned int *value)
EM_PACK_PAYLOAD1(payload, EM_SEND_ERRORS); EM_PACK_PAYLOAD1(payload, EM_SEND_ERRORS);
return pm_ipi_send_sync(primary_proc, payload, value, 1); return pm_ipi_send_sync(primary_proc, payload, value, 1);
} }
/**
* pm_feature_config() - feature configuration at runtime
*
* This function is used to send IPI request to PMUFW to configure feature
* at runtime. The feature can be enable or disable as well as the feature
* can be configure at runtime using an IOCTL call.
*
* @ioctl_id The ioctl id for the feature configuration
* @config_id The config id of the feature to be configured
* @value The value to be configured
* @response Return to reference pointer
*
* @return Returns 0 on success or error value on failure
*/
enum pm_ret_status pm_feature_config(unsigned int ioctl_id,
unsigned int config_id,
unsigned int value,
unsigned int *response)
{
uint32_t payload[PAYLOAD_ARG_CNT];
/* Send request to the PMU */
PM_PACK_PAYLOAD5(payload, PM_IOCTL, 0, ioctl_id, config_id, value);
if (ioctl_id == IOCTL_GET_FEATURE_CONFIG) {
return pm_ipi_send_sync(primary_proc, payload, response, 1);
} else if (ioctl_id == IOCTL_SET_FEATURE_CONFIG) {
return pm_ipi_send_sync(primary_proc, payload, NULL, 0);
} else {
return PM_RET_ERROR_ARGS;
}
}

5
plat/xilinx/zynqmp/pm_service/pm_api_sys.h
View file

@ -202,4 +202,9 @@ enum pm_ret_status em_set_action(unsigned int *value);
enum pm_ret_status em_remove_action(unsigned int *value); enum pm_ret_status em_remove_action(unsigned int *value);
enum pm_ret_status em_send_errors(unsigned int *value); enum pm_ret_status em_send_errors(unsigned int *value);
enum pm_ret_status pm_feature_config(unsigned int ioctl_id,
unsigned int config_id,
unsigned int value,
unsigned int *response);
#endif /* PM_API_SYS_H */ #endif /* PM_API_SYS_H */