fix(versal-net): disable wakeup interrupt during client wakeup
Clear and disable wakeup interrupt during client wakeup to avoid
multiple wakeup events.
Signed-off-by: Jay Buddhabhatti <jay.buddhabhatti@amd.com>
Change-Id: Iebc644ae582da03001830b96e3190fce10dbac42
diff --git a/plat/xilinx/versal_net/include/versal_net_def.h b/plat/xilinx/versal_net/include/versal_net_def.h
index bcf8315..929186a 100644
--- a/plat/xilinx/versal_net/include/versal_net_def.h
+++ b/plat/xilinx/versal_net/include/versal_net_def.h
@@ -67,6 +67,18 @@
/* Firmware Image Package */
#define VERSAL_NET_PRIMARY_CPU U(0)
+#define CORE_0_ISR_WAKE_OFFSET (0x00000020ULL)
+#define APU_PCIL_CORE_X_ISR_WAKE_REG(cpu_id) (APU_PCLI + (CORE_0_ISR_WAKE_OFFSET + \
+ (APU_PCLI_CPU_STEP * (cpu_id))))
+#define APU_PCIL_CORE_X_ISR_WAKE_MASK (0x00000001U)
+#define CORE_0_IEN_WAKE_OFFSET (0x00000028ULL)
+#define APU_PCIL_CORE_X_IEN_WAKE_REG(cpu_id) (APU_PCLI + (CORE_0_IEN_WAKE_OFFSET + \
+ (APU_PCLI_CPU_STEP * (cpu_id))))
+#define APU_PCIL_CORE_X_IEN_WAKE_MASK (0x00000001U)
+#define CORE_0_IDS_WAKE_OFFSET (0x0000002CULL)
+#define APU_PCIL_CORE_X_IDS_WAKE_REG(cpu_id) (APU_PCLI + (CORE_0_IDS_WAKE_OFFSET + \
+ (APU_PCLI_CPU_STEP * (cpu_id))))
+#define APU_PCIL_CORE_X_IDS_WAKE_MASK (0x00000001U)
#define CORE_0_ISR_POWER_OFFSET (0x00000010ULL)
#define APU_PCIL_CORE_X_ISR_POWER_REG(cpu_id) (APU_PCLI + (CORE_0_ISR_POWER_OFFSET + \
(APU_PCLI_CPU_STEP * (cpu_id))))
diff --git a/plat/xilinx/versal_net/pm_service/pm_client.c b/plat/xilinx/versal_net/pm_service/pm_client.c
index 0142f33..b42b466 100644
--- a/plat/xilinx/versal_net/pm_service/pm_client.c
+++ b/plat/xilinx/versal_net/pm_service/pm_client.c
@@ -219,6 +219,12 @@
/* Disabled power down interrupt */
mmio_write_32(APU_PCIL_CORE_X_IDS_POWER_REG(cpuid),
APU_PCIL_CORE_X_IDS_POWER_MASK);
+ /* Clear wakeup interrupt status before disabling */
+ mmio_write_32(APU_PCIL_CORE_X_ISR_WAKE_REG(cpuid),
+ APU_PCIL_CORE_X_ISR_WAKE_MASK);
+ /* Disable wake interrupt */
+ mmio_write_32(APU_PCIL_CORE_X_IDS_WAKE_REG(cpuid),
+ APU_PCIL_CORE_X_IDS_WAKE_MASK);
bakery_lock_release(&pm_client_secure_lock);
}