diff options
Diffstat (limited to 'src/mainboard/gigabyte/ga-b75m-d3h/early_init.c')
| -rw-r--r-- | src/mainboard/gigabyte/ga-b75m-d3h/early_init.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/src/mainboard/gigabyte/ga-b75m-d3h/early_init.c b/src/mainboard/gigabyte/ga-b75m-d3h/early_init.c new file mode 100644 index 0000000000..0a863fffd2 --- /dev/null +++ b/src/mainboard/gigabyte/ga-b75m-d3h/early_init.c @@ -0,0 +1,95 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2014 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; 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 <device/pci_ops.h> +#include <northbridge/intel/sandybridge/raminit_native.h> +#include <northbridge/intel/sandybridge/sandybridge.h> +#include <southbridge/intel/bd82x6x/pch.h> +#include <superio/ite/common/ite.h> +#include <superio/ite/it8728f/it8728f.h> + +#define SUPERIO_BASE 0x2e +#define SUPERIO_DEV PNP_DEV(SUPERIO_BASE, 0) +#define SIO_GPIO PNP_DEV(SUPERIO_BASE, IT8728F_GPIO) +#define SERIAL_DEV PNP_DEV(SUPERIO_BASE, 0x01) + +void mainboard_pch_lpc_setup(void) +{ + pci_write_config32(PCH_LPC_DEV, ETR3, 0x10000); +} + +void bootblock_mainboard_early_init(void) +{ + /* Initialize SuperIO */ + ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); + + ite_reg_write(SIO_GPIO, 0xEF, 0x7E); // magic SIO disable reboot + + /* FIXME: These values could be configured in ramstage */ + ite_reg_write(SIO_GPIO, 0x25, 0x40); // gpio pin function -> gp16 + ite_reg_write(SIO_GPIO, 0x27, 0x10); // gpio pin function -> gp34 + ite_reg_write(SIO_GPIO, 0x2c, 0x80); // smbus isolation on parallel port + ite_reg_write(SIO_GPIO, 0x62, 0x0a); // simple iobase 0xa00 + ite_reg_write(SIO_GPIO, 0x72, 0x20); // watchdog timeout clear! + ite_reg_write(SIO_GPIO, 0x73, 0x00); // watchdog timeout clear! + ite_reg_write(SIO_GPIO, 0xcb, 0x00); // simple io set4 direction -> in + ite_reg_write(SIO_GPIO, 0xe9, 0x27); // bus select disable + ite_reg_write(SIO_GPIO, 0xf0, 0x10); // ? + ite_reg_write(SIO_GPIO, 0xf1, 0x42); // ? + ite_reg_write(SIO_GPIO, 0xf6, 0x1c); // hwmon alert beep -> gp36(pin12) + + /* EC SIO settings */ + ite_reg_write(IT8728F_EC, 0xf1, 0xc0); + ite_reg_write(IT8728F_EC, 0xf6, 0xf0); + ite_reg_write(IT8728F_EC, 0xf9, 0x48); + ite_reg_write(IT8728F_EC, 0x60, 0x0a); + ite_reg_write(IT8728F_EC, 0x61, 0x30); + ite_reg_write(IT8728F_EC, 0x62, 0x0a); + ite_reg_write(IT8728F_EC, 0x63, 0x20); + ite_reg_write(IT8728F_EC, 0x30, 0x01); +} + +const struct southbridge_usb_port mainboard_usb_ports[] = { + { 1, 5, 0 }, + { 1, 5, 0 }, + { 1, 5, 1 }, + { 1, 5, 1 }, + { 1, 5, 2 }, + { 1, 5, 2 }, + { 1, 5, 3 }, + { 1, 5, 3 }, + { 1, 5, 4 }, + { 1, 5, 4 }, + { 1, 5, 6 }, + { 1, 5, 5 }, + { 1, 5, 5 }, + { 1, 5, 6 }, +}; + +/* FIXME: The GA-B75M-D3V only has two DIMM slots! */ +void mainboard_get_spd(spd_raw_data *spd, bool id_only) +{ + read_spd(&spd[0], 0x50, id_only); + read_spd(&spd[1], 0x51, id_only); + read_spd(&spd[2], 0x52, id_only); + read_spd(&spd[3], 0x53, id_only); +} + +void mainboard_late_rcba_config(void) +{ + /* Enable HECI */ + RCBA32(FD2) &= ~0x2; +} |