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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2010 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 the SpaceRunner-LX 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 IS_ENABLED(CONFIG_ONBOARD_UARTS_RS485)
#define SIO_GP1X_CONFIG 0x07
#else
#define SIO_GP1X_CONFIG 0x01
#endif
/* Bit0 enables COM3's transceiver, bit1 disables the RS485 receiver (e.g. for IR). */
#define SIO_GP2X_CONFIG 0x00
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 LiteRunner-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 */
/* bit1 = COM3_RX_EN, bit0 = COM3_TX_EN */
outb(SIO_GP2X_CONFIG, 0x1221); /* Simple-I/O GP27-20 */
printk(BIOS_DEBUG, "LiPPERT LiteRunner-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,
};
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