diff options
Diffstat (limited to 'src/mainboard/foxconn/g41s-k/early_init.c')
| -rw-r--r-- | src/mainboard/foxconn/g41s-k/early_init.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/mainboard/foxconn/g41s-k/early_init.c b/src/mainboard/foxconn/g41s-k/early_init.c new file mode 100644 index 0000000000..454b1ea0b0 --- /dev/null +++ b/src/mainboard/foxconn/g41s-k/early_init.c @@ -0,0 +1,63 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2015 Damien Zammit <damien@zamaudio.com> + * Copyright (C) 2017 Arthur Heymans <arthur@aheymans.xyz> + * Copyright (C) 2017 Samuel Holland <samuel@sholland.org> + * + * 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 <northbridge/intel/x4x/x4x.h> +#include <southbridge/intel/i82801gx/i82801gx.h> +#include <superio/ite/common/ite.h> +#include <superio/ite/it8720f/it8720f.h> + +#define SERIAL_DEV PNP_DEV(0x2e, IT8720F_SP1) +#define GPIO_DEV PNP_DEV(0x2e, IT8720F_GPIO) + +void bootblock_mainboard_early_init(void) +{ + /* Set up GPIOs on Super I/O. */ + ite_reg_write(GPIO_DEV, 0x25, 0x01); + ite_reg_write(GPIO_DEV, 0x26, 0x04); + ite_reg_write(GPIO_DEV, 0x27, 0x00); + ite_reg_write(GPIO_DEV, 0x28, 0x40); + ite_reg_write(GPIO_DEV, 0x29, 0x01); + ite_reg_write(GPIO_DEV, 0x73, 0x00); + ite_reg_write(GPIO_DEV, 0x74, 0x00); + ite_reg_write(GPIO_DEV, 0xb1, 0x04); + ite_reg_write(GPIO_DEV, 0xb8, 0x20); + ite_reg_write(GPIO_DEV, 0xbb, 0x01); + ite_reg_write(GPIO_DEV, 0xc0, 0x00); + ite_reg_write(GPIO_DEV, 0xc3, 0x01); + ite_reg_write(GPIO_DEV, 0xcb, 0x01); + ite_reg_write(GPIO_DEV, 0xf5, 0x28); + ite_reg_write(GPIO_DEV, 0xf6, 0x12); + ite_enable_3vsbsw(GPIO_DEV); + + /* Set up IRQ routing. */ + RCBA16(D31IR) = 0x0132; + RCBA16(D30IR) = 0x3241; + RCBA16(D29IR) = 0x0237; + + RCBA32(FD) |= FD_INTLAN; + + ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); +} + +void mb_get_spd_map(u8 spd_map[4]) +{ + spd_map[0] = 0x50; + if (CONFIG(BOARD_FOXCONN_G41M)) + spd_map[2] = 0x52; +} |