Add support for memory mapped UARTs to coreboot and add the OXPCIe952 as an

example.

This newer version reflects the recent changes to further simplify the console
code and partly gets rid of some hacks in the previous version.

Signed-off-by: Stefan Reinauer <reinauer@google.com>
Acked-by: Peter Stuge <peter@stuge.se>                                                                                                                                          



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6544 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Stefan Reinauer
2011-04-26 23:47:04 +00:00
committed by Stefan Reinauer
parent 3187d0267d
commit 4885daadb3
20 changed files with 478 additions and 6 deletions

View File

@ -26,7 +26,7 @@
#include <console/console.h>
#include <console/vtxprintf.h>
#if CONFIG_CONSOLE_SERIAL8250
#if CONFIG_CONSOLE_SERIAL8250 || CONFIG_CONSOLE_SERIAL8250MEM
#include <uart8250.h>
#endif
#if CONFIG_USBDEBUG
@ -36,6 +36,10 @@
#include <console/ne2k.h>
#endif
#if CONFIG_CONSOLE_SERIAL8250MEM
static u32 serial8250mem_base_address = 0;
#endif
void console_tx_flush(void)
{
// the tx_byte functions take care of the flush.
@ -47,6 +51,10 @@ void console_tx_byte(unsigned char byte)
if (byte == '\n')
console_tx_byte('\r');
#if CONFIG_CONSOLE_SERIAL8250MEM
if (serial8250mem_base_address)
uart8250_mem_tx_byte(serial8250mem_base_address, byte);
#endif
#if CONFIG_CONSOLE_SERIAL8250
uart8250_tx_byte(CONFIG_TTYS0_BASE, byte);
#endif
@ -65,6 +73,9 @@ void console_init(void)
#if CONFIG_CONSOLE_SERIAL8250
uart_init();
#endif
#if CONFIG_CONSOLE_SERIAL8250MEM
serial8250mem_base_address = uart_mem_init();
#endif
#else
console_loglevel = 1;
#endif