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Diffstat (limited to 'src/mainboard/gigabyte/ga-g41m-es2l/early_init.c')
-rw-r--r--src/mainboard/gigabyte/ga-g41m-es2l/early_init.c92
1 files changed, 92 insertions, 0 deletions
diff --git a/src/mainboard/gigabyte/ga-g41m-es2l/early_init.c b/src/mainboard/gigabyte/ga-g41m-es2l/early_init.c
new file mode 100644
index 0000000000..4540d4e03d
--- /dev/null
+++ b/src/mainboard/gigabyte/ga-g41m-es2l/early_init.c
@@ -0,0 +1,92 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 Damien Zammit <damien@zamaudio.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.
+ */
+
+#include <bootblock_common.h>
+#include <device/pci_ops.h>
+#include <southbridge/intel/i82801gx/i82801gx.h>
+#include <northbridge/intel/x4x/x4x.h>
+#include <superio/ite/it8718f/it8718f.h>
+#include <superio/ite/common/ite.h>
+
+#define SERIAL_DEV PNP_DEV(0x2e, IT8718F_SP1)
+#define GPIO_DEV PNP_DEV(0x2e, IT8718F_GPIO)
+#define EC_DEV PNP_DEV(0x2e, IT8718F_EC)
+#define SUPERIO_DEV PNP_DEV(0x2e, 0)
+
+/* Early mainboard specific GPIO setup.
+ * We should use standard gpio.h eventually
+ */
+
+void bootblock_mainboard_early_init(void)
+{
+ pci_devfn_t dev;
+
+ /* Southbridge GPIOs. */
+ dev = PCI_DEV(0x0, 0x1f, 0x0);
+ /* Set default GPIOs on superio */
+ ite_reg_write(GPIO_DEV, 0x25, 0x00);
+ ite_reg_write(GPIO_DEV, 0x26, 0xc7);
+ ite_reg_write(GPIO_DEV, 0x27, 0x80);
+ ite_reg_write(GPIO_DEV, 0x28, 0x41);
+ ite_reg_write(GPIO_DEV, 0x29, 0x0a);
+ ite_reg_write(GPIO_DEV, 0x2c, 0x01);
+ ite_reg_write(GPIO_DEV, 0x62, 0x08);
+ ite_reg_write(GPIO_DEV, 0x72, 0x00);
+ ite_reg_write(GPIO_DEV, 0x73, 0x00);
+ ite_reg_write(GPIO_DEV, 0xb8, 0x00);
+ ite_reg_write(GPIO_DEV, 0xbb, 0x40);
+ ite_reg_write(GPIO_DEV, 0xc0, 0x00);
+ ite_reg_write(GPIO_DEV, 0xc1, 0xc7);
+ ite_reg_write(GPIO_DEV, 0xc2, 0x80);
+ ite_reg_write(GPIO_DEV, 0xc3, 0x01);
+ ite_reg_write(GPIO_DEV, 0xc4, 0x0a);
+ ite_reg_write(GPIO_DEV, 0xc8, 0x00);
+ ite_reg_write(GPIO_DEV, 0xc9, 0x04);
+ ite_reg_write(GPIO_DEV, 0xcb, 0x00);
+ ite_reg_write(GPIO_DEV, 0xcc, 0x02);
+ ite_reg_write(GPIO_DEV, 0xf0, 0x10);
+ ite_reg_write(GPIO_DEV, 0xf1, 0x40);
+ ite_reg_write(GPIO_DEV, 0xf6, 0x26);
+ ite_reg_write(GPIO_DEV, 0xfc, 0x52);
+
+ ite_reg_write(EC_DEV, 0xf0, 0x80);
+ ite_reg_write(EC_DEV, 0xf1, 0x00);
+ ite_reg_write(EC_DEV, 0xf2, 0x0a);
+ ite_reg_write(EC_DEV, 0xf3, 0x80);
+ ite_reg_write(EC_DEV, 0x70, 0x00); // Don't use IRQ9
+ ite_reg_write(EC_DEV, 0x30, 0x01); // Enable
+
+ ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
+
+ /* Disable SIO reboot */
+ ite_reg_write(GPIO_DEV, 0xEF, 0x7E);
+
+ /* IRQ routing */
+ RCBA32(D31IP) = 0x00002210;
+ RCBA32(D30IP) = 0x00002100;
+ RCBA32(D29IP) = 0x10004321;
+ RCBA32(D28IP) = 0x00214321;
+ RCBA32(D27IP) = 0x00000001;
+ RCBA32(D31IR) = 0x00410032;
+ RCBA32(D29IR) = 0x32100237;
+ RCBA32(D27IR) = 0x00000000;
+}
+
+void mb_get_spd_map(u8 spd_map[4])
+{
+ spd_map[0] = 0x50;
+ spd_map[2] = 0x52;
+}