Architectural Support: x86_64 (#37)

[lunaix-os.git] / lunaix-os / hal / char / uart / 16550.h

diff --git a/lunaix-os/hal/char/uart/16550.h b/lunaix-os/hal/char/uart/16550.h
index ccee4151853e5138e336626bc87ea0d1bba20a34..5b4040b695a152fdcb001fad89930ff54103dd59 100644 (file)
--- a/lunaix-os/hal/char/uart/16550.h
+++ b/lunaix-os/hal/char/uart/16550.h
@@ -17,7 +17,6 @@
 #define UART_rDLM 1
 
 #define UART_INTRX 0x1
-#define UART_DLAB (1 << 7)
 #define UART_LOOP (1 << 4)
 
 #define UART_rIE_ERBFI 1
@@ -29,6 +28,7 @@
 #define UART_rLC_PAREN (1 << 3)
 #define UART_rLC_PAREVN (1 << 4)
 #define UART_rLC_SETBRK (1 << 6)
+#define UART_rLC_DLAB (1 << 7)
 
 #define UART_rLS_THRE (1 << 5)
 #define UART_rLS_DR 1
@@ -116,13 +116,13 @@ uart_baud_divisor(struct uart16550* uart, int div)
 {
     u32_t rlc = uart->read_reg(uart, UART_rLC);
 
-    uart->write_reg(uart, UART_rLC, UART_DLAB | rlc);
+    uart->write_reg(uart, UART_rLC, UART_rLC_DLAB | rlc);
     u8_t ls = (div & 0xff), ms = (div & 0xff00) >> 8;
 
     uart->write_reg(uart, UART_rLS, ls);
     uart->write_reg(uart, UART_rMS, ms);
 
-    uart->write_reg(uart, UART_rLC, rlc & ~UART_DLAB);
+    uart->write_reg(uart, UART_rLC, rlc & ~UART_rLC_DLAB);
 
     return 0;
 }