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Diffstat (limited to 'src/mainboard/foxconn/d41s/early_init.c')
-rw-r--r--src/mainboard/foxconn/d41s/early_init.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/src/mainboard/foxconn/d41s/early_init.c b/src/mainboard/foxconn/d41s/early_init.c
new file mode 100644
index 0000000000..6568d96139
--- /dev/null
+++ b/src/mainboard/foxconn/d41s/early_init.c
@@ -0,0 +1,47 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 Damien Zammit <damien@zamaudio.com>
+ * Copyright (C) 2018 Arthur Heymans <arthur@aheymans.xyz>
+ *
+ * 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.
+ */
+
+#include <bootblock_common.h>
+#include <device/pci_ops.h>
+#include <southbridge/intel/i82801gx/i82801gx.h>
+#include <northbridge/intel/pineview/pineview.h>
+#include <superio/ite/common/ite.h>
+#include <superio/ite/it8721f/it8721f.h>
+
+#define SERIAL_DEV PNP_DEV(0x2e, IT8721F_SP1)
+
+void bootblock_mainboard_early_init(void)
+{
+ /* Disable Serial IRQ */
+ pci_write_config8(PCI_DEV(0, 0x1f, 0), SERIRQ_CNTL, 0xd0);
+ /* Decode range */
+ pci_or_config16(PCI_DEV(0, 0x1f, 0), LPC_IO_DEC, 0x0010);
+ pci_write_config16(PCI_DEV(0, 0x1f, 0), LPC_EN, CNF1_LPC_EN | KBC_LPC_EN
+ | FDD_LPC_EN | LPT_LPC_EN | COMB_LPC_EN
+ | COMA_LPC_EN);
+
+ /* Environment Controller */
+ pci_write_config32(PCI_DEV(0, 0x1f, 0), GEN1_DEC, 0x00fc0a01);
+
+ ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
+}
+
+void get_mb_spd_addrmap(u8 *spd_addrmap)
+{
+ spd_addrmap[0] = 0x50;
+ spd_addrmap[1] = 0x51;
+}