Commit ea6e1c39 authored by Ravi Patel's avatar Ravi Patel Committed by Jolly Shah
Browse files

plat: versal: Add Get_ChipID API



Add support for Get_ChipID API in Versal which calls corresponding
LibPM API.

Signed-off-by: default avatarRavi Patel <ravi.patel@xilinx.com>
Acked-by: default avatarJolly Shah <jolly.shah@xilinx.com>
Signed-off-by: default avatarJolly Shah <jolly.shah@xilinx.com>
Change-Id: I25c4b301721d7989d982ac376c59195c55564022
parent e4c54c0d
......@@ -748,6 +748,23 @@ enum pm_ret_status pm_set_wakeup_source(uint32_t target, uint32_t wkup_device,
return pm_ipi_send(primary_proc, payload);
}
/**
* pm_get_chipid() - Read silicon ID registers
* @value Buffer for return values. Must be large enough
* to hold 8 bytes.
*
* @return Returns silicon ID registers
*/
enum pm_ret_status pm_get_chipid(uint32_t *value)
{
uint32_t payload[PAYLOAD_ARG_CNT];
/* Send request to the PMC */
PM_PACK_PAYLOAD1(payload, LIBPM_MODULE_ID, PM_GET_CHIPID);
return pm_ipi_send_sync(primary_proc, payload, value, 2);
}
/**
* pm_feature_check() - Returns the supported API version if supported
* @api_id API ID to check
......
......@@ -65,6 +65,7 @@ enum pm_ret_status pm_api_ioctl(uint32_t device_id, uint32_t ioctl_id,
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_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);
......
......@@ -55,6 +55,7 @@
#define PM_RESET_ASSERT 17U
#define PM_RESET_GET_STATUS 18U
#define PM_INIT_FINALIZE 21U
#define PM_GET_CHIPID 24U
#define PM_PINCTRL_REQUEST 28U
#define PM_PINCTRL_RELEASE 29U
#define PM_PINCTRL_GET_FUNCTION 30U
......
......@@ -290,6 +290,15 @@ uint64_t pm_smc_handler(uint32_t smc_fid, uint64_t x1, uint64_t x2, uint64_t x3,
SMC_RET1(handle, (uint64_t)PM_RET_SUCCESS |
((uint64_t)VERSAL_TZ_VERSION << 32));
case PM_GET_CHIPID:
{
uint32_t result[2];
ret = pm_get_chipid(result);
SMC_RET2(handle, (uint64_t)ret | ((uint64_t)result[0] << 32),
result[1]);
}
case PM_FEATURE_CHECK:
{
uint32_t version;
......
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