coreboot-kgpe-d16/src/lib/fallback_boot.c

49 lines
984 B
C

#include <console/console.h>
#include <fallback.h>
#include <watchdog.h>
#include <arch/io.h>
#if CONFIG_PC80_SYSTEM
#include <pc80/mc146818rtc.h>
static void set_boot_successful(void)
{
/* Remember I successfully booted by setting
* the initial boot direction
* to the direction that I booted.
*/
unsigned char index, byte;
index = inb(RTC_PORT(0)) & 0x80;
index |= RTC_BOOT_BYTE;
outb(index, RTC_PORT(0));
byte = inb(RTC_PORT(1));
byte &= 0xfe;
byte |= (byte & (1 << 1)) >> 1;
/* If we are in normal mode set the boot count to 0 */
if(byte & 1)
byte &= 0x0f;
outb(byte, RTC_PORT(1));
}
#else
static void set_boot_successful(void)
{
/* To be implemented */
}
#endif
void boot_successful(void)
{
#if CONFIG_FRAMEBUFFER_SET_VESA_MODE && !CONFIG_FRAMEBUFFER_KEEP_VESA_MODE
void vbe_textmode_console(void);
vbe_textmode_console();
#endif
/* Remember this was a successful boot */
set_boot_successful();
/* turn off the boot watchdog */
watchdog_off();
}