/* * This file is part of the coreboot project. * * Copyright (C) 2008 LiPPERT Embedded Computers GmbH * * 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. */ /* Based on mainboard.c from AMD's DB800 mainboard. */ #include <stdlib.h> #include <stdint.h> #include <console/console.h> #include <device/device.h> #include <arch/io.h> #include <device/pci.h> #include <device/pci_ids.h> /* Bit0 turns off the Live LED, bit1 switches Com1 to RS485, bit2 same for Com2. */ #if CONFIG_ONBOARD_UARTS_RS485 #define SIO_GP1X_CONFIG 0x07 #else #define SIO_GP1X_CONFIG 0x01 #endif static const u16 ec_init_table[] = { /* hi=data, lo=index */ 0x1900, /* Enable monitoring */ 0x3050, /* VIN4,5 enabled */ 0x0351, /* TMPIN1,2 diode mode, TMPIN3 off */ 0x805C, /* Unlock zero adjust */ 0x7056, 0x3C57, /* Zero adjust TMPIN1,2 */ 0x005C, /* Lock zero adjust */ 0xD014 /* Also set FAN_CTL polarity to Active High */ }; static void init(struct device *dev) { unsigned int gpio_base, i; printk(BIOS_DEBUG, "LiPPERT SpaceRunner-LX ENTER %s\n", __func__); /* Init CS5536 GPIOs */ gpio_base = pci_read_config32(dev_find_device(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_ISA, 0), PCI_BASE_ADDRESS_1) - 1; outl(0x00000040, gpio_base + 0x00); // GPIO6 value 1 - LAN_PD# outl(0x00000040, gpio_base + 0x04); // GPIO6 output 1 - LAN_PD# outl(0x04000000, gpio_base + 0x18); // GPIO10 pull up 0 - THRM_ALRM# outl(0x00000400, gpio_base + 0x34); // GPIO10 in aux1 1 - THRM_ALRM# outl(0x00000400, gpio_base + 0x20); // GPIO10 input 1 - THRM_ALRM# outl(0x00000800, gpio_base + 0x94); // GPIO27 out aux2 1 - 32kHz outl(0x00000800, gpio_base + 0x84); // GPIO27 output 1 - 32kHz outl(0x08000000, gpio_base + 0x98); // GPIO27 pull up 0 - 32kHz /* Init Environment Controller. */ for (i = 0; i < ARRAY_SIZE(ec_init_table); i++) { u16 val = ec_init_table[i]; outb((u8)val, 0x0295); outb(val >> 8, 0x0296); } /* bit2 = RS485_EN2, bit1 = RS485_EN1, bit0 = Live LED */ outb(SIO_GP1X_CONFIG, 0x1220); /* Simple-I/O GP17-10 */ printk(BIOS_DEBUG, "LiPPERT SpaceRunner-LX EXIT %s\n", __func__); } static void mainboard_enable(struct device *dev) { dev->ops->init = init; } struct chip_operations mainboard_ops = { .enable_dev = mainboard_enable, };