[PATCH] bsps/aarch64: Swap primary ZynqMP UART

Kinsey Moore kinsey.moore at oarcorp.com
Thu Jan 14 15:24:28 UTC 2021


Both Qemu and actual hardware treat the second UART in memory map as the
primary UART. This adjusts the ZynqMP BSPs to match.
---
 bsps/aarch64/xilinx-zynqmp/console/console.c | 4 ++--
 bsps/aarch64/xilinx-zynqmp/include/bsp/irq.h | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/bsps/aarch64/xilinx-zynqmp/console/console.c b/bsps/aarch64/xilinx-zynqmp/console/console.c
index a22a194782..84e158d3f6 100644
--- a/bsps/aarch64/xilinx-zynqmp/console/console.c
+++ b/bsps/aarch64/xilinx-zynqmp/console/console.c
@@ -46,11 +46,11 @@
 static zynq_uart_context zynqmp_uart_instances[2] = {
   {
     .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER( "Zynq UART 0" ),
-    .regs = (volatile struct zynq_uart *) 0xff000000,
+    .regs = (volatile struct zynq_uart *) 0xff010000,
     .irq = ZYNQMP_IRQ_UART_0
   }, {
     .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER( "Zynq UART 1" ),
-    .regs = (volatile struct zynq_uart *) 0xff010000,
+    .regs = (volatile struct zynq_uart *) 0xff000000,
     .irq = ZYNQMP_IRQ_UART_1
   }
 };
diff --git a/bsps/aarch64/xilinx-zynqmp/include/bsp/irq.h b/bsps/aarch64/xilinx-zynqmp/include/bsp/irq.h
index 6546d637cf..13ce55d5b9 100644
--- a/bsps/aarch64/xilinx-zynqmp/include/bsp/irq.h
+++ b/bsps/aarch64/xilinx-zynqmp/include/bsp/irq.h
@@ -54,8 +54,8 @@ extern "C" {
 /* Interrupts vectors */
 #define BSP_TIMER_VIRT_PPI 27
 #define BSP_TIMER_PHYS_NS_PPI 30
-#define ZYNQMP_IRQ_UART_0 53
-#define ZYNQMP_IRQ_UART_1 54
+#define ZYNQMP_IRQ_UART_0 54
+#define ZYNQMP_IRQ_UART_1 53
 #define ZYNQMP_IRQ_ETHERNET_0 89
 #define ZYNQMP_IRQ_ETHERNET_1 91
 #define ZYNQMP_IRQ_ETHERNET_2 93
-- 
2.20.1



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