X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=drivers%2Ffirmware%2Fxilinx%2Fzynqmp.c;h=129f68d7a6f53015c37a47b098a6275ebc115918;hb=9cf5b508bd260d5693d337bcf1f9b82b961b6137;hp=6bc6b6c84241ca940a938339b567ab142e7e3221;hpb=f2855eec19cadddad2900da3a009ee39df6116a7;p=platform%2Fkernel%2Flinux-starfive.git

diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c
index 6bc6b6c..129f68d 100644
--- a/drivers/firmware/xilinx/zynqmp.c
+++ b/drivers/firmware/xilinx/zynqmp.c
@@ -1167,6 +1167,103 @@ int zynqmp_pm_release_node(const u32 node)
 EXPORT_SYMBOL_GPL(zynqmp_pm_release_node);
 
 /**
+ * zynqmp_pm_get_rpu_mode() - Get RPU mode
+ * @node_id:	Node ID of the device
+ * @rpu_mode:	return by reference value
+ *		either split or lockstep
+ *
+ * Return:	return 0 on success or error+reason.
+ *		if success, then  rpu_mode will be set
+ *		to current rpu mode.
+ */
+int zynqmp_pm_get_rpu_mode(u32 node_id, enum rpu_oper_mode *rpu_mode)
+{
+	u32 ret_payload[PAYLOAD_ARG_CNT];
+	int ret;
+
+	ret = zynqmp_pm_invoke_fn(PM_IOCTL, node_id,
+				  IOCTL_GET_RPU_OPER_MODE, 0, 0, ret_payload);
+
+	/* only set rpu_mode if no error */
+	if (ret == XST_PM_SUCCESS)
+		*rpu_mode = ret_payload[0];
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(zynqmp_pm_get_rpu_mode);
+
+/**
+ * zynqmp_pm_set_rpu_mode() - Set RPU mode
+ * @node_id:	Node ID of the device
+ * @rpu_mode:	Argument 1 to requested IOCTL call. either split or lockstep
+ *
+ *		This function is used to set RPU mode to split or
+ *		lockstep
+ *
+ * Return:	Returns status, either success or error+reason
+ */
+int zynqmp_pm_set_rpu_mode(u32 node_id, enum rpu_oper_mode rpu_mode)
+{
+	return zynqmp_pm_invoke_fn(PM_IOCTL, node_id,
+				   IOCTL_SET_RPU_OPER_MODE, (u32)rpu_mode,
+				   0, NULL);
+}
+EXPORT_SYMBOL_GPL(zynqmp_pm_set_rpu_mode);
+
+/**
+ * zynqmp_pm_set_tcm_config - configure TCM
+ * @node_id:	Firmware specific TCM subsystem ID
+ * @tcm_mode:	Argument 1 to requested IOCTL call
+ *              either PM_RPU_TCM_COMB or PM_RPU_TCM_SPLIT
+ *
+ * This function is used to set RPU mode to split or combined
+ *
+ * Return: status: 0 for success, else failure
+ */
+int zynqmp_pm_set_tcm_config(u32 node_id, enum rpu_tcm_comb tcm_mode)
+{
+	return zynqmp_pm_invoke_fn(PM_IOCTL, node_id,
+				   IOCTL_TCM_COMB_CONFIG, (u32)tcm_mode, 0,
+				   NULL);
+}
+EXPORT_SYMBOL_GPL(zynqmp_pm_set_tcm_config);
+
+/**
+ * zynqmp_pm_force_pwrdwn - PM call to request for another PU or subsystem to
+ *             be powered down forcefully
+ * @node:  Node ID of the targeted PU or subsystem
+ * @ack:   Flag to specify whether acknowledge is requested
+ *
+ * Return: status, either success or error+reason
+ */
+int zynqmp_pm_force_pwrdwn(const u32 node,
+			   const enum zynqmp_pm_request_ack ack)
+{
+	return zynqmp_pm_invoke_fn(PM_FORCE_POWERDOWN, node, ack, 0, 0, NULL);
+}
+EXPORT_SYMBOL_GPL(zynqmp_pm_force_pwrdwn);
+
+/**
+ * zynqmp_pm_request_wake - PM call to wake up selected master or subsystem
+ * @node:  Node ID of the master or subsystem
+ * @set_addr:  Specifies whether the address argument is relevant
+ * @address:   Address from which to resume when woken up
+ * @ack:   Flag to specify whether acknowledge requested
+ *
+ * Return: status, either success or error+reason
+ */
+int zynqmp_pm_request_wake(const u32 node,
+			   const bool set_addr,
+			   const u64 address,
+			   const enum zynqmp_pm_request_ack ack)
+{
+	/* set_addr flag is encoded into 1st bit of address */
+	return zynqmp_pm_invoke_fn(PM_REQUEST_WAKEUP, node, address | set_addr,
+				   address >> 32, ack, NULL);
+}
+EXPORT_SYMBOL_GPL(zynqmp_pm_request_wake);
+
+/**
  * zynqmp_pm_set_requirement() - PM call to set requirement for PM slaves
  * @node:		Node ID of the slave
  * @capabilities:	Requested capabilities of the slave