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If the memory mapped UART isn't present, leave it out of the cb tables. 

This way u-boot won't try to use a UART that isn't plugged in.

Change-Id: I9a3a0d074dd03add8afbd4dad836c4c6a05abe6f
Signed-off-by: Gabe Black <gabeblack@google.com>
Reviewed-on: http://review.coreboot.org/729
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Tested-by: build bot (Jenkins)
This commit is contained in:
Gabe Black 2011-10-05 01:57:03 -07:00 committed by Patrick Georgi
parent d7a75ece85
commit 32829caf40
1 changed files with 14 additions and 10 deletions
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24
src/arch/x86/boot/coreboot_table.c
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@ -117,16 +117,20 @@ static struct lb_serial *lb_serial(struct lb_header *header)
serial->baud = CONFIG_TTYS0_BAUD;
return serial;
#elif CONFIG_CONSOLE_SERIAL8250MEM
struct lb_record *rec;
struct lb_serial *serial;
rec = lb_new_record(header);
serial = (struct lb_serial *)rec;
serial->tag = LB_TAG_SERIAL;
serial->size = sizeof(*serial);
serial->type = LB_SERIAL_TYPE_MEMORY_MAPPED;
serial->baseaddr = uartmem_getbaseaddr();
serial->baud = CONFIG_TTYS0_BAUD;
return serial;
if (uartmem_getbaseaddr()) {
struct lb_record *rec;
struct lb_serial *serial;
rec = lb_new_record(header);
serial = (struct lb_serial *)rec;
serial->tag = LB_TAG_SERIAL;
serial->size = sizeof(*serial);
serial->type = LB_SERIAL_TYPE_MEMORY_MAPPED;
serial->baseaddr = uartmem_getbaseaddr();
serial->baud = CONFIG_TTYS0_BAUD;
return serial;
} else {
return NULL;
}
#else
return NULL;
#endif