diff options
author | Corey Osgood <corey.osgood@gmail.com> | 2007-06-14 06:10:57 +0000 |
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committer | Stefan Reinauer <stepan@openbios.org> | 2007-06-14 06:10:57 +0000 |
commit | e99bd105af97ad905114bd76ae09326a10def8cf (patch) | |
tree | 22ef962a20d86a4362bc6a2620b72e2a8a344457 /src/southbridge/intel/i82801xx/cmos_failover.c | |
parent | bd88057f73b83e5bfd9d0fe57b28c87c98d73b12 (diff) |
This patch adds support for the Intel i82810 northbridge and various i82801xx
southbridges, along with the Asus MEW-VM. With this, my machine attempts to
boot linux, but does so very slowly and fails during the boot process, probably
because of the irq tables.
Signed-off-by: Corey Osgood <corey.osgood@gmail.com>
Acked-by: Joseph Smith <joe@smittys.pointclark.net>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2719 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/southbridge/intel/i82801xx/cmos_failover.c')
-rw-r--r-- | src/southbridge/intel/i82801xx/cmos_failover.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/southbridge/intel/i82801xx/cmos_failover.c b/src/southbridge/intel/i82801xx/cmos_failover.c new file mode 100644 index 0000000000..2e1d84adb8 --- /dev/null +++ b/src/southbridge/intel/i82801xx/cmos_failover.c @@ -0,0 +1,32 @@ +/* + * This file is part of the LinuxBIOS project. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "i82801xx.h" + +static void check_cmos_failed(void) +{ + uint8_t byte; + byte = pci_read_config8(PCI_DEV(0, 0x1f, 0), GEN_PMCON_3); + if( byte & RTC_FAILED) { + //clear bit 1 and bit 2 + byte = cmos_read(RTC_BOOT_BYTE); + byte &= 0x0c; + byte |= MAX_REBOOT_CNT << 4; + cmos_write(byte, RTC_BOOT_BYTE); + } +} |