xilinx: versal: Implement reset related PM APIs
Implement below reset related APIs: - Reset assert - Get reset status Signed-off-by: Tejas Patel <tejas.patel@xilinx.com> Signed-off-by: Jolly Shah <jolly.shah@xilinx.com> Change-Id: Id42c9d3950a0d69125cb0eab79b75e5d22674f14
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@ -235,3 +235,38 @@ enum pm_ret_status pm_get_device_status(uint32_t device_id, uint32_t *response)
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return pm_ipi_send_sync(primary_proc, payload, response, 3);
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}
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/**
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* pm_reset_assert() - Assert/De-assert reset
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* @reset Reset ID
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* @assert Assert (1) or de-assert (0)
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*
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* @return Returns status, either success or error+reason
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*/
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enum pm_ret_status pm_reset_assert(uint32_t reset, bool assert)
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{
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uint32_t payload[PAYLOAD_ARG_CNT];
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/* Send request to the PMC */
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PM_PACK_PAYLOAD3(payload, LIBPM_MODULE_ID, PM_RESET_ASSERT, reset,
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assert);
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return pm_ipi_send_sync(primary_proc, payload, NULL, 0);
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}
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/**
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* pm_reset_get_status() - Get current status of a reset line
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* @reset Reset ID
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* @status Returns current status of selected reset ID
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*
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* @return Returns status, either success or error+reason
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*/
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enum pm_ret_status pm_reset_get_status(uint32_t reset, uint32_t *status)
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{
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uint32_t payload[PAYLOAD_ARG_CNT];
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/* Send request to the PMC */
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PM_PACK_PAYLOAD2(payload, LIBPM_MODULE_ID, PM_RESET_ASSERT, reset);
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return pm_ipi_send_sync(primary_proc, payload, status, 1);
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}
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@ -30,5 +30,7 @@ enum pm_ret_status pm_release_device(uint32_t device_id);
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enum pm_ret_status pm_set_requirement(uint32_t device_id, uint32_t capabilities,
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uint32_t latency, uint32_t qos);
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enum pm_ret_status pm_get_device_status(uint32_t device_id, uint32_t *response);
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enum pm_ret_status pm_reset_assert(uint32_t reset, bool assert);
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enum pm_ret_status pm_reset_get_status(uint32_t reset, uint32_t *status);
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#endif /* PM_API_SYS_H */
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@ -31,6 +31,8 @@
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#define PM_REQUEST_DEVICE 13U
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#define PM_RELEASE_DEVICE 14U
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#define PM_SET_REQUIREMENT 15U
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#define PM_RESET_ASSERT 17U
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#define PM_RESET_GET_STATUS 18U
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/*********************************************************************
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* Enum definitions
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