| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2017 Hal Martin <hal.martin@gmail.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 <stdint.h> |
| #include <lib.h> |
| #include <arch/io.h> |
| #include "northbridge/intel/sandybridge/raminit_native.h" |
| #include <superio/smsc/sio1007/chip.h> |
| |
| #define SIO_PORT 0x164e |
| |
| void pch_enable_lpc(void) |
| { |
| device_t dev = PCH_LPC_DEV; |
| |
| /* Set COM1/COM2 decode range */ |
| pci_write_config16(dev, LPC_IO_DEC, 0x0010); |
| |
| /* Enable SuperIO */ |
| u16 lpc_config = CNF1_LPC_EN | CNF2_LPC_EN; |
| pci_write_config16(dev, LPC_EN, lpc_config); |
| |
| /* Map 1 byte to the LPC bus. */ |
| pci_write_config32(dev, LPC_GEN1_DEC, 0x00164d); |
| |
| /* Map a range for the runtime_port registers to the LPC bus. */ |
| pci_write_config32(dev, LPC_GEN2_DEC, 0xc0181); |
| |
| #if IS_ENABLED(CONFIG_DRIVERS_UART_8250IO) |
| /* Enable COM1 */ |
| if (sio1007_enable_uart_at(SIO_PORT)) { |
| pci_write_config16(dev, LPC_EN, |
| lpc_config | COMA_LPC_EN); |
| } |
| #endif |
| } |
| |
| void mainboard_rcba_config(void) |
| { |
| RCBA32(0x3414) = 0x00000000; |
| } |
| const struct southbridge_usb_port mainboard_usb_ports[] = { |
| { 1, 1, 0 }, |
| { 1, 1, 0 }, |
| { 1, 1, 1 }, |
| { 1, 1, 1 }, |
| { 1, 0, 2 }, |
| { 1, 0, 2 }, |
| { 1, 0, 3 }, |
| { 1, 0, 3 }, |
| { 1, 1, 4 }, |
| { 1, 1, 4 }, |
| { 1, 0, 5 }, |
| { 1, 0, 5 }, |
| { 1, 0, 6 }, |
| { 1, 0, 6 }, |
| }; |
| |
| void mainboard_early_init(int s3resume) |
| { |
| } |
| |
| void mainboard_config_superio(void) |
| { |
| const u16 port = SIO_PORT; |
| const u16 runtime_port = 0x180; |
| |
| /* Turn on configuration mode. */ |
| outb(0x55, port); |
| |
| /* Set the GPIO direction, polarity, and type. */ |
| sio1007_setreg(port, 0x31, 1 << 0, 1 << 0); |
| sio1007_setreg(port, 0x32, 0 << 0, 1 << 0); |
| sio1007_setreg(port, 0x33, 0 << 0, 1 << 0); |
| |
| /* Set the base address for the runtime register block. */ |
| sio1007_setreg(port, 0x30, runtime_port >> 4, 0xff); |
| sio1007_setreg(port, 0x21, runtime_port >> 12, 0xff); |
| |
| /* Turn on address decoding for it. */ |
| sio1007_setreg(port, 0x3a, 1 << 1, 1 << 1); |
| |
| /* Set the value of GPIO 10 by changing GP1, bit 0. */ |
| u8 byte; |
| byte = inb(runtime_port + 0xc); |
| byte |= (1 << 0); |
| outb(byte, runtime_port + 0xc); |
| |
| /* Turn off address decoding for it. */ |
| sio1007_setreg(port, 0x3a, 0 << 1, 1 << 1); |
| |
| /* Turn off configuration mode. */ |
| outb(0xaa, port); |
| } |
| |
| void mainboard_get_spd(spd_raw_data *spd, bool id_only) |
| { |
| read_spd(&spd[0], 0x50, id_only); |
| read_spd(&spd[2], 0x52, id_only); |
| } |