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-rw-r--r--kernel/uart.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/uart.c b/kernel/uart.c
index ce89615..d586ea4 100644
--- a/kernel/uart.c
+++ b/kernel/uart.c
@@ -22,8 +22,8 @@
#define RHR 0 // receive holding register (for input bytes)
#define THR 0 // transmit holding register (for output bytes)
#define IER 1 // interrupt enable register
-#define IER_TX_ENABLE (1<<0)
-#define IER_RX_ENABLE (1<<1)
+#define IER_RX_ENABLE (1<<0)
+#define IER_TX_ENABLE (1<<1)
#define FCR 2 // FIFO control register
#define FCR_FIFO_ENABLE (1<<0)
#define FCR_FIFO_CLEAR (3<<1) // clear the content of the two FIFOs