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added rx support

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git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1410 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Greg Watson
2004-03-13 03:40:51 +00:00
parent 5c51c3d9d9
commit e54d55b9d9
7 changed files with 60 additions and 1 deletions
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4
src/include/console/console.h
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@@ -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")))

2
src/include/uart8250.h
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@@ -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);