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-rw-r--r--include/drivers/ti/uart/uart_16550.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/drivers/ti/uart/uart_16550.h b/include/drivers/ti/uart/uart_16550.h
index 9eba41aa6..b00f66421 100644
--- a/include/drivers/ti/uart/uart_16550.h
+++ b/include/drivers/ti/uart/uart_16550.h
@@ -23,6 +23,8 @@
#define UARTMSR 0x18
#define UARTSPR 0x1c
#define UARTCSR 0x20
+/* Some instances have MDR1 defined as well */
+#define UARTMDR1 0x20
#define UARTRXFIFOCFG 0x24
#define UARTMIE 0x28
#define UARTVNDR 0x2c