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Diffstat (limited to 'src/mainboard/asus/kgpe-d16/bootblock.c')
-rw-r--r--src/mainboard/asus/kgpe-d16/bootblock.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/src/mainboard/asus/kgpe-d16/bootblock.c b/src/mainboard/asus/kgpe-d16/bootblock.c
new file mode 100644
index 0000000000..2e9d70f391
--- /dev/null
+++ b/src/mainboard/asus/kgpe-d16/bootblock.c
@@ -0,0 +1,52 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering
+ * Copyright (C) 2014 Edward O'Callaghan <eocallaghan@alterapraxis.com>
+ *
+ * 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 <pc80/mc146818rtc.h>
+
+void bootblock_mainboard_init(void)
+{
+ uint8_t recovery_enabled;
+ unsigned char addr;
+ unsigned char byte;
+
+ bootblock_northbridge_init();
+ bootblock_southbridge_init();
+
+ /* Recovery jumper is connected to SP5100 GPIO61, and clears the GPIO when placed in the Recovery position */
+ recovery_enabled = (!(pci_read_config8(PCI_DEV(0, 0x14, 0), 0x57) & 0x1));
+ if (recovery_enabled) {
+#if CONFIG_USE_OPTION_TABLE
+ /* Clear NVRAM checksum */
+ for (addr = LB_CKS_RANGE_START; addr <= LB_CKS_RANGE_END; addr++) {
+ cmos_write(0x0, addr);
+ }
+
+ /* Set fallback boot */
+ byte = cmos_read(RTC_BOOT_BYTE);
+ byte &= 0xfc;
+ cmos_write(byte, RTC_BOOT_BYTE);
+#else
+ /* FIXME
+ * Figure out how to recover if the option table is not available
+ */
+#endif
+ }
+} \ No newline at end of file