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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2012 Advanced Micro Devices, Inc.
*
* 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 <string.h>
#include <device/pci_def.h>
#include <device/pci_ids.h>
#include <arch/acpi.h>
#include <arch/io.h>
#include <arch/stages.h>
#include <device/pnp_def.h>
#include <arch/cpu.h>
#include <commonlib/loglevel.h>
#include <northbridge/amd/agesa/state_machine.h>
#include <southbridge/amd/agesa/hudson/hudson.h>
#include <superio/smsc/lpc47n217/lpc47n217.h>
#define SERIAL_DEV PNP_DEV(0x2e, LPC47N217_SP1)
void board_BeforeAgesa(struct sysinfo *cb)
{
u8 byte;
pci_devfn_t dev;
/* Set LPC decode enables. */
dev = PCI_DEV(0, 0x14, 3);
hudson_lpc_port80();
byte = pci_read_config8(dev, 0x48);
byte |= 3; /* 2e, 2f */
pci_write_config8(dev, 0x48, byte);
post_code(0x30);
/* For serial port. */
pci_write_config32(dev, 0x44, 0xff03ffd5);
byte = pci_read_config8(dev, 0x48);
byte |= 3; /* 2e, 2f */
pci_write_config8(dev, 0x48, byte);
post_code(0x31);
lpc47n217_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
outb(0x24, 0xcd6);
outb(0x1, 0xcd7);
outb(0xea, 0xcd6);
outb(0x1, 0xcd7);
*(u8 *)0xfed80101 = 0x98;
}
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