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AMD hudson and yangtze: add IMC fan control support 

imc_reg_init: init fan control related registers.
enable_imc_thermal_zone: AGESA does not enable thermal zone. We enable
it here.

Change-Id: I93c729982d78b6d2c7c20bcb1a3e27a7dd0eba91
Signed-off-by: WANG Siyuan <SiYuan.Wang@amd.com>
Signed-off-by: WANG Siyuan <wangsiyuanbuaa@gmail.com>
Reviewed-on: http://review.coreboot.org/4300
Tested-by: build bot (Jenkins)
Reviewed-by: Rudolf Marek <r.marek@assembler.cz>
This commit is contained in:
WANG Siyuan 2013-12-02 10:18:04 +08:00 committed by Rudolf Marek
parent 62adc4c610
commit 55f9a731b8
3 changed files with 118 additions and 0 deletions
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3
src/southbridge/amd/agesa/hudson/Makefile.inc
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@ -19,6 +19,9 @@ romstage-y += early_setup.c
ramstage-$(CONFIG_HAVE_ACPI_RESUME) += spi.c
ramstage-$(CONFIG_HAVE_ACPI_RESUME) += resume.c
romstage-y += imc.c
ramstage-y += imc.c
# ROMSIG At ROMBASE + 0x20000:
# +-----------+---------------+----------------+------------+
# |0x55AA55AA |EC ROM Address |GEC ROM Address |USB3 ROM |

89
src/southbridge/amd/agesa/hudson/imc.c Normal file
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@ -0,0 +1,89 @@
/*
* 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.
*
* 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 "imc.h"
#include <arch/io.h>
#include <delay.h>
#include "Porting.h"
#include "AGESA.h"
#include "amdlib.h"
#include "Fch.h"
#include "FchCommonCfg.h"
#include "FchPlatform.h"
void imc_reg_init(void)
{
/* Init Power Management Block 2 (PM2) Registers.
* Check BKDG for AMD Family 16h for details. */
write8(ACPI_MMIO_BASE + PMIO2_BASE + 0x00, 0x06);
write8(ACPI_MMIO_BASE + PMIO2_BASE + 0x01, 0x06);
write8(ACPI_MMIO_BASE + PMIO2_BASE + 0x02, 0xf7);
write8(ACPI_MMIO_BASE + PMIO2_BASE + 0x03, 0xff);
write8(ACPI_MMIO_BASE + PMIO2_BASE + 0x04, 0xff);
#if !CONFIG_SOUTHBRIDGE_AMD_AGESA_YANGTZE
write8(ACPI_MMIO_BASE + PMIO2_BASE + 0x10, 0x06);
write8(ACPI_MMIO_BASE + PMIO2_BASE + 0x11, 0x06);
write8(ACPI_MMIO_BASE + PMIO2_BASE + 0x12, 0xf7);
write8(ACPI_MMIO_BASE + PMIO2_BASE + 0x13, 0xff);
write8(ACPI_MMIO_BASE + PMIO2_BASE + 0x14, 0xff);
#endif
#if CONFIG_SOUTHBRIDGE_AMD_AGESA_YANGTZE
UINT8 PciData;
PCI_ADDR PciAddress;
AMD_CONFIG_PARAMS StdHeader;
PciAddress.AddressValue = MAKE_SBDFO (0, 0, 0x18, 0x3, 0x1E4);
LibAmdPciRead(AccessWidth8, PciAddress, &PciData, &StdHeader);
PciData &= (UINT8)0x8F;
PciData |= 0x10;
LibAmdPciWrite(AccessWidth8, PciAddress, &PciData, &StdHeader);
#endif
}
#ifndef __PRE_RAM__
void enable_imc_thermal_zone(void)
{
AMD_CONFIG_PARAMS StdHeader;
UINT8 FunNum;
UINT8 regs[9];
int i;
regs[0] = 0;
regs[1] = 0;
FunNum = Fun_80;
for (i=0; i<=1; i++)
WriteECmsg(MSG_REG0 + i, AccessWidth8, &regs[i], &StdHeader);
WriteECmsg(MSG_SYS_TO_IMC, AccessWidth8, &FunNum, &StdHeader); // function number
WaitForEcLDN9MailboxCmdAck(&StdHeader);
for (i=2; i<=9; i++)
ReadECmsg(MSG_REG0 + i, AccessWidth8, &regs[i], &StdHeader);
/* enable thermal zone 0 */
regs[2] |= 1;
regs[0] = 0;
regs[1] = 0;
FunNum = Fun_81;
for (i=0; i<=9; i++)
WriteECmsg(MSG_REG0 + i, AccessWidth8, &regs[i], &StdHeader);
WriteECmsg(MSG_SYS_TO_IMC, AccessWidth8, &FunNum, &StdHeader); // function number
WaitForEcLDN9MailboxCmdAck(&StdHeader);
}
#endif

26
src/southbridge/amd/agesa/hudson/imc.h Normal file
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@ -0,0 +1,26 @@
/*
* 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.
*
* 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
*/
#ifndef HUDSON_IMC_H
#define HUDSON_IMC_H
void imc_reg_init(void);
void enable_imc_thermal_zone(void);
#endif