diff options
Diffstat (limited to 'src/mainboard/gigabyte/ga-945gcm-s2l/early_init.c')
| -rw-r--r-- | src/mainboard/gigabyte/ga-945gcm-s2l/early_init.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/src/mainboard/gigabyte/ga-945gcm-s2l/early_init.c b/src/mainboard/gigabyte/ga-945gcm-s2l/early_init.c new file mode 100644 index 0000000000..7b82059580 --- /dev/null +++ b/src/mainboard/gigabyte/ga-945gcm-s2l/early_init.c @@ -0,0 +1,61 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2008 coresystems GmbH + * Copyright (C) 2016 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; 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. + */ + +#include <bootblock_common.h> +#include <superio/ite/it8718f/it8718f.h> +#include <superio/ite/common/ite.h> +#include <northbridge/intel/i945/i945.h> +#include <southbridge/intel/i82801gx/i82801gx.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) + +void bootblock_mainboard_early_init(void) +{ + /* Set default GPIOs on superio */ + ite_reg_write(GPIO_DEV, 0x25, 0x40); + ite_reg_write(GPIO_DEV, 0x26, 0x3f); + ite_reg_write(GPIO_DEV, 0x28, 0x41); + ite_reg_write(GPIO_DEV, 0x29, 0x88); + ite_reg_write(GPIO_DEV, 0x2c, 0x1c); + ite_reg_write(GPIO_DEV, 0x62, 0x08); + ite_kill_watchdog(GPIO_DEV); + ite_reg_write(GPIO_DEV, 0xb1, 0x01); + ite_reg_write(GPIO_DEV, 0xb8, 0x80); + ite_reg_write(GPIO_DEV, 0xbb, 0x40); + ite_reg_write(GPIO_DEV, 0xc0, 0x00); + ite_reg_write(GPIO_DEV, 0xc3, 0x00); + ite_reg_write(GPIO_DEV, 0xc8, 0x00); + ite_reg_write(GPIO_DEV, 0xcb, 0x00); + ite_reg_write(GPIO_DEV, 0xf6, 0x26); + ite_reg_write(GPIO_DEV, 0xfc, 0x01); + + ite_reg_write(EC_DEV, 0x70, 0x00); // Don't use IRQ9 + ite_reg_write(EC_DEV, 0x30, 0xff); // Enable + + ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); + + /* Disable SIO reboot */ + ite_reg_write(GPIO_DEV, 0xEF, 0x7E); +} + +void mainboard_late_rcba_config(void) +{ + /* Enable PCIe Root Port Clock Gate */ + RCBA32(CG) = 0x00000001; +} |