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xilinx: versal: Add set wakeup source API 

Implement set wakeup source API to pass SMC
call for set wakeup source to PLM (Platform Loader
and Manager).

Signed-off-by: Tejas Patel <tejas.patel@xilinx.com>
Signed-off-by: Jolly Shah <jolly.shah@xilinx.com>
Change-Id: I654ce07235c0fc7dfcb81bf98820153255f61537
This commit is contained in:
Tejas Patel 2019-01-23 14:18:53 +05:30 committed by Jolly Shah
parent 25b1a91033
commit 42cd77e386
4 changed files with 25 additions and 0 deletions
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18
plat/xilinx/versal/pm_service/pm_api_sys.c
View File

@ -694,3 +694,21 @@ enum pm_ret_status pm_api_ioctl(uint32_t device_id, uint32_t ioctl_id,
return pm_ipi_send_sync(primary_proc, payload, value, 1);
}
}
/**
* pm_set_wakeup_source() - PM call to specify the wakeup source while suspended
* @target Device id of the targeted PU or subsystem
* @wkup_node Device id of the wakeup peripheral
* @enable Enable or disable the specified peripheral as wake source
*
* @return Returns status, either success or error+reason
*/
enum pm_ret_status pm_set_wakeup_source(uint32_t target, uint32_t wkup_device,
uint8_t enable)
{
uint32_t payload[PAYLOAD_ARG_CNT];
PM_PACK_PAYLOAD4(payload, LIBPM_MODULE_ID, PM_SET_WAKEUP_SOURCE, target,
wkup_device, enable);
return pm_ipi_send(primary_proc, payload);
}

2
plat/xilinx/versal/pm_service/pm_api_sys.h
View File

@ -26,6 +26,8 @@ enum pm_ret_status pm_req_suspend(uint32_t target,
unsigned int state);
enum pm_ret_status pm_req_wakeup(uint32_t target, uint32_t set_address,
uintptr_t address, uint8_t ack);
enum pm_ret_status pm_set_wakeup_source(uint32_t target, uint32_t device_id,
uint8_t enable);
enum pm_ret_status pm_request_device(uint32_t device_id, uint32_t capabilities,
uint32_t qos, uint32_t ack);
enum pm_ret_status pm_release_device(uint32_t device_id);

1
plat/xilinx/versal/pm_service/pm_defs.h
View File

@ -30,6 +30,7 @@
#define PM_FORCE_POWERDOWN 8U
#define PM_ABORT_SUSPEND 9U
#define PM_REQ_WAKEUP 10U
#define PM_SET_WAKEUP_SOURCE 11U
#define PM_SYSTEM_SHUTDOWN 12U
#define PM_REQUEST_DEVICE 13U
#define PM_RELEASE_DEVICE 14U

4
plat/xilinx/versal/pm_service/pm_svc_main.c
View File

@ -111,6 +111,10 @@ uint64_t pm_smc_handler(uint32_t smc_fid, uint64_t x1, uint64_t x2, uint64_t x3,
ret = pm_req_wakeup(pm_arg[0], pm_arg[1], pm_arg[2], pm_arg[3]);
SMC_RET1(handle, (uint64_t)ret);
case PM_SET_WAKEUP_SOURCE:
ret = pm_set_wakeup_source(pm_arg[0], pm_arg[1], pm_arg[2]);
SMC_RET1(handle, (uint64_t)ret);
case PM_REQUEST_DEVICE:
ret = pm_request_device(pm_arg[0], pm_arg[1], pm_arg[2],
pm_arg[3]);