added rx support

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1410 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

2 files changed, 6 insertions, 0 deletions

diff --git a/src/include/console/console.h b/src/include/console/console.h
index ffb17d4c9b..aeb5895587 100644
--- a/src/include/console/console.h
+++ b/src/include/console/console.h
@@ -7,6 +7,8 @@
 void console_init(void);
 void console_tx_byte(unsigned char byte);
 void console_tx_flush(void);
+unsigned char console_rx_byte(void);
+int console_tst_byte(void);
 void post_code(uint8_t value);
 void die(char *msg);
 
@@ -14,6 +16,8 @@ struct console_driver {
 	void (*init)(void);
 	void (*tx_byte)(unsigned char byte);
 	void (*tx_flush)(void);
+	unsigned char (*rx_byte)(void);
+	int (*tst_byte)(void);
 };
 
 #define __console	__attribute__((unused, __section__ (".rodata.console_drivers")))
diff --git a/src/include/uart8250.h b/src/include/uart8250.h
index f610026614..dc09315dea 100644
--- a/src/include/uart8250.h
+++ b/src/include/uart8250.h
@@ -6,6 +6,8 @@ struct uart8250 {
 	/* Do I need an lcs parameter here? */
 };
 
+unsigned char uart8250_rx_byte(unsigned base_port);
+int uart8250_can_rx_byte(unsigned base_port);
 void uart8250_tx_byte(unsigned base_port, unsigned char data);
 void uart8250_init(unsigned base_port, unsigned divisor, unsigned lcs);
 void init_uart8250(unsigned base_port, struct uart8250 *uart);