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x86: expose console_tx_flush in romstage 

The vboot module relied on being able to flush the console
after it called vtxprintf() from its log wrapper function.
Expose the console_tx_flush() function in romstage so the
vboot module can ensure messages are flushed.

Change-Id: I578053df4b88c2068bd9cc90eea5573069a0a4e8
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/2882
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Aaron Durbin 2013-03-22 19:52:42 -05:00 committed by Stefan Reinauer
parent d23e292ef6
commit 1989b4bd56
2 changed files with 2 additions and 2 deletions
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2
src/arch/x86/lib/romstage_console.c
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@ -54,7 +54,7 @@ void console_tx_byte(unsigned char byte)
#endif #endif
} }
static void console_tx_flush(void) void console_tx_flush(void)
{ {
#if CONFIG_CONSOLE_SERIAL8250MEM #if CONFIG_CONSOLE_SERIAL8250MEM
uart8250_mem_tx_flush(CONFIG_OXFORD_OXPCIE_BASE_ADDRESS + 0x1000); uart8250_mem_tx_flush(CONFIG_OXFORD_OXPCIE_BASE_ADDRESS + 0x1000);

2
src/include/console/console.h
View File

@ -38,7 +38,6 @@
#endif #endif
#ifndef __PRE_RAM__ #ifndef __PRE_RAM__
void console_tx_flush(void);
unsigned char console_rx_byte(void); unsigned char console_rx_byte(void);
int console_tst_byte(void); int console_tst_byte(void);
struct console_driver { struct console_driver {
@ -68,6 +67,7 @@ extern int console_loglevel;
#ifndef __ROMCC__ #ifndef __ROMCC__
void console_init(void); void console_init(void);
void console_tx_byte(unsigned char byte); void console_tx_byte(unsigned char byte);
void console_tx_flush(void);
void post_code(u8 value); void post_code(u8 value);
/* this function is weak and can be overridden by a mainboard function. */ /* this function is weak and can be overridden by a mainboard function. */
void mainboard_post(u8 value); void mainboard_post(u8 value);