diff options
Diffstat (limited to 'src/mainboard/gigabyte/ga-b75m-d3v/romstage.c')
| -rw-r--r-- | src/mainboard/gigabyte/ga-b75m-d3v/romstage.c | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/src/mainboard/gigabyte/ga-b75m-d3v/romstage.c b/src/mainboard/gigabyte/ga-b75m-d3v/romstage.c new file mode 100644 index 0000000000..3e2be90488 --- /dev/null +++ b/src/mainboard/gigabyte/ga-b75m-d3v/romstage.c @@ -0,0 +1,121 @@ +/* + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define SUPERIO_BASE 0x2e +#define SUPERIO_DEV PNP_DEV(SUPERIO_BASE, 0) +#define SUPERIO_GPIO PNP_DEV(SUPERIO_BASE, IT8728F_GPIO) +#define SERIAL_DEV PNP_DEV(SUPERIO_BASE, 0x01) + +#include <arch/io.h> +#include <device/pci_def.h> +#include <device/pnp_def.h> +#include <cpu/x86/lapic.h> +#include <arch/acpi.h> +#include <console/console.h> +#include <superio/ite/it8728f/it8728f.h> +#include <superio/ite/common/ite.h> +#include <northbridge/intel/sandybridge/sandybridge.h> +#include <northbridge/intel/sandybridge/raminit_native.h> +#include <southbridge/intel/bd82x6x/pch.h> +#include <southbridge/intel/bd82x6x/gpio.h> +#include <arch/cpu.h> +#include <cpu/x86/msr.h> + +static void it8728f_b75md3v_disable_reboot(device_t dev) +{ + /* GPIO SIO settings */ + ite_reg_write(dev, 0xEF, 0x7E); // magic + + ite_reg_write(dev, 0x25, 0x40); // gpio pin function -> gp16 + ite_reg_write(dev, 0x27, 0x10); // gpio pin function -> gp34 + ite_reg_write(dev, 0x2c, 0x80); // smbus isolation on parallel port + ite_reg_write(dev, 0x62, 0x0a); // simple iobase 0xa00 + ite_reg_write(dev, 0x72, 0x20); // watchdog timeout clear! + ite_reg_write(dev, 0x73, 0x00); // watchdog timeout clear! + ite_reg_write(dev, 0xcb, 0x00); // simple io set4 direction -> in + ite_reg_write(dev, 0xe9, 0x27); // bus select disable + ite_reg_write(dev, 0xf0, 0x10); // ? + ite_reg_write(dev, 0xf1, 0x42); // ? + ite_reg_write(dev, 0xf6, 0x1c); // hardware monitor 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); +} + +void rcba_config(void) +{ + /* Disable unused devices (board specific) */ + RCBA32(FD) = 0x17ee1fe1; + + /* Enable HECI */ + RCBA32(FD2) &= ~0x2; +} + +void pch_enable_lpc(void) +{ + /* + * Enable: + * EC Decode Range PortA30/A20 + * SuperIO Port2E/2F + * PS/2 Keyboard/Mouse Port60/64 + * FDD Port3F0h-3F5h and Port3F7h + */ + pci_write_config16(PCH_LPC_DEV, LPC_EN, KBC_LPC_EN | MC_LPC_EN | + CNF1_LPC_EN | CNF2_LPC_EN | COMA_LPC_EN); + + pci_write_config32(PCH_LPC_DEV, LPC_GEN1_DEC, 0x3c0a01); + pci_write_config16(PCH_LPC_DEV, LPC_IO_DEC, 0x10); + + pci_write_config32(PCH_LPC_DEV, 0xac, 0x10000); + + /* Initialize SuperIO */ + ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); + it8728f_b75md3v_disable_reboot(SUPERIO_GPIO); +} + +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 }, +}; + +void mainboard_get_spd(spd_raw_data *spd) { + read_spd (&spd[0], 0x50); + read_spd (&spd[1], 0x51); + read_spd (&spd[2], 0x52); + read_spd (&spd[3], 0x53); +} |