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/**
* @file
*
* Config Southbridge EC Controller
*
* Init EC features.
*
* @xrefitem bom "File Content Label" "Release Content"
* @e project: CIMx-SB
* @e sub-project:
* @e \$Revision:$ @e \$Date:$
*
*/
/*
*****************************************************************************
*
* This file is part of the coreboot project.
*
* Copyright (C) 2010 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
* ***************************************************************************
*
*/
#include "SBPLATFORM.h"
#ifndef NO_EC_SUPPORT
/**
* Config EC controller during power-on
*
*
*
* @param[in] pConfig Southbridge configuration structure pointer.
*
*/
VOID
ecPowerOnInit (
IN AMDSBCFG* pConfig
)
{
//Enable config mode
EnterEcConfig ();
//Do settings for mailbox - logical device 0x09
RWEC8 (0x07, 0x00, 0x09); //switch to device 9 (Mailbox)
RWEC8 (0x60, 0x00, (MailBoxPort >> 8)); //set MSB of Mailbox port
RWEC8 (0x61, 0x00, (MailBoxPort & 0xFF)); //set LSB of Mailbox port
RWEC8 (0x30, 0x00, 0x01); //;Enable Mailbox Registers Interface, bit0=1
if ( pConfig->BuildParameters.EcKbd == ENABLED) {
//Enable KBRST#, IRQ1 & IRQ12, GateA20 Function signal from IMC
RWMEM (ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGD6, AccWidthUint8, ~BIT8, BIT0 + BIT1 + BIT2 + BIT3);
//Disable LPC Decoding of port 60/64
RWPCI (((LPC_BUS_DEV_FUN << 16) + SB_LPC_REG47), AccWidthUint8 | S3_SAVE, ~BIT5, 0);
//Enable logical device 0x07 (Keyboard controller)
RWEC8 (0x07, 0x00, 0x07);
RWEC8 (0x30, 0x00, 0x01);
}
if ( pConfig->BuildParameters.EcChannel0 == ENABLED) {
//Logical device 0x03
RWEC8 (0x07, 0x00, 0x03);
RWEC8 (0x60, 0x00, 0x00);
RWEC8 (0x61, 0x00, 0x62);
RWEC8 (0x30, 0x00, 0x01); //;Enable Device 8
}
//Enable EC (IMC) to generate SMI to BIOS
RWMEM (ACPI_MMIO_BASE + SMI_BASE + SB_SMI_REGB3, AccWidthUint8, ~BIT6, BIT6);
ExitEcConfig ();
}
/**
* Config EC controller before PCI emulation
*
*
*
* @param[in] pConfig Southbridge configuration structure pointer.
*
*/
VOID
ecInitBeforePciEnum (
IN AMDSBCFG* pConfig
)
{
AMDSBCFG* pTmp; // dummy code
pTmp = pConfig;
}
/**
* Prepare EC controller to boot to OS.
*
*
* @param[in] pConfig Southbridge configuration structure pointer.
*
*/
VOID
ecInitLatePost (
IN AMDSBCFG* pConfig
)
{
AMDSBCFG* pTmp; // dummy code
pTmp = pConfig;
}
#endif
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