1 files changed, 77 insertions, 0 deletions
diff --git a/src/southbridge/intel/fsp_i89xx/early_init.c b/src/southbridge/intel/fsp_i89xx/early_init.c
new file mode 100644
index 0000000000..96e6cd2785
--- /dev/null
+++ b/src/southbridge/intel/fsp_i89xx/early_init.c
@@ -0,0 +1,77 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2010 coresystems GmbH
+ * Copyright (C) 2011 Google Inc
+ *
+ * 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; version 2 of the License.
+ *
+ * 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.
+ */
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <console/console.h>
+#include <arch/io.h>
+#include <device/pci_def.h>
+#include <elog.h>
+#include "pch.h"
+
+static void sandybridge_setup_bars(void)
+{
+	/* Setting up Southbridge. */
+	printk(BIOS_DEBUG, "Setting up static southbridge registers...");
+	pci_write_config32(PCI_DEV(0, 0x1f, 0), RCBA, (uintptr_t)DEFAULT_RCBA | 1);
+
+	pci_write_config32(PCI_DEV(0, 0x1f, 0), PMBASE, DEFAULT_PMBASE | 1);
+	pci_write_config8(PCI_DEV(0, 0x1f, 0), 0x44 /* ACPI_CNTL */ , 0x80); /* Enable ACPI BAR */
+
+	printk(BIOS_DEBUG, " done.\n");
+
+	printk(BIOS_DEBUG, "Disabling Watchdog reboot...");
+	RCBA32(GCS) = RCBA32(GCS) | (1 << 5);	/* No reset */
+	outw((1 << 11), DEFAULT_PMBASE | 0x60 | 0x08);	/* halt timer */
+	printk(BIOS_DEBUG, " done.\n");
+
+#if CONFIG_ELOG_BOOT_COUNT
+	/* Increment Boot Counter for non-S3 resume */
+	if ((inw(DEFAULT_PMBASE + PM1_STS) & WAK_STS) &&
+	    ((inl(DEFAULT_PMBASE + PM1_CNT) >> 10) & 7) != SLP_TYP_S3)
+		boot_count_increment();
+#endif
+
+	printk(BIOS_DEBUG, " done.\n");
+
+#if CONFIG_ELOG_BOOT_COUNT
+	/* Increment Boot Counter except when resuming from S3 */
+	if ((inw(DEFAULT_PMBASE + PM1_STS) & WAK_STS) &&
+	    ((inl(DEFAULT_PMBASE + PM1_CNT) >> 10) & 7) == SLP_TYP_S3)
+		return;
+	boot_count_increment();
+#endif
+}
+
+void sandybridge_sb_early_initialization(void)
+{
+	/* Setup all BARs required for early PCIe and raminit */
+	sandybridge_setup_bars();
+}
+
+void early_pch_init(void)
+{
+	u8 reg8;
+
+	// reset rtc power status
+	reg8 = pci_read_config8(PCH_LPC_DEV, 0xa4);
+	reg8 &= ~(1 << 2);
+	pci_write_config8(PCH_LPC_DEV, 0xa4, reg8);
+}