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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 <console/console.h>
#include <commonlib/loglevel.h>
#include <northbridge/amd/agesa/state_machine.h>
#include <southbridge/amd/agesa/hudson/hudson.h>
#include <superio/winbond/common/winbond.h>
#include <superio/winbond/w83627uhg/w83627uhg.h>
#define SERIAL_DEV PNP_DEV(0x2e, W83627UHG_SP1)
void board_BeforeAgesa(struct sysinfo *cb)
{
volatile u32 *addr32;
u32 t32;
/* Set LPC decode enables. */
pci_devfn_t dev = PCI_DEV(0, 0x14, 3);
pci_write_config32(dev, 0x44, 0xff03ffd5);
hudson_lpc_port80();
/* Enable the AcpiMmio space */
outb(0x24, 0xcd6);
outb(0x1, 0xcd7);
/* Disable PCI-PCI bridge and release GPIO32/33 for other uses. */
outb(0xea, 0xcd6);
outb(0x1, 0xcd7);
/* Set auxiliary output clock frequency on OSCOUT1 pin to be 48MHz */
addr32 = (u32 *)0xfed80e28;
t32 = *addr32;
t32 &= 0xfff8ffff;
*addr32 = t32;
/* Enable Auxiliary Clock1, disable FCH 14 MHz OscClk */
addr32 = (u32 *)0xfed80e40;
t32 = *addr32;
t32 &= 0xffffbffb;
*addr32 = t32;
/* w83627uhg has a default clk of 48MHz, p.9 of data-sheet */
winbond_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
}
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