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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 "imc.h"
#include <arch/io.h>
#include <delay.h>
#include <Porting.h>
#include <AGESA.h>
#include <amdlib.h>
#include <Proc/Fch/Fch.h>
#include <Proc/Fch/Common/FchCommonCfg.h>
#include <Proc/Fch/FchPlatform.h>
#define VACPI_MMIO_VBASE ((u8 *)ACPI_MMIO_BASE)
void imc_reg_init(void)
{
/* Init Power Management Block 2 (PM2) Registers.
* Check BKDG for AMD Family 16h for details. */
write8(VACPI_MMIO_VBASE + PMIO2_BASE + 0x00, 0x06);
write8(VACPI_MMIO_VBASE + PMIO2_BASE + 0x01, 0x06);
write8(VACPI_MMIO_VBASE + PMIO2_BASE + 0x02, 0xf7);
write8(VACPI_MMIO_VBASE + PMIO2_BASE + 0x03, 0xff);
write8(VACPI_MMIO_VBASE + PMIO2_BASE + 0x04, 0xff);
#if !IS_ENABLED(CONFIG_SOUTHBRIDGE_AMD_AGESA_YANGTZE)
write8(VACPI_MMIO_VBASE + PMIO2_BASE + 0x10, 0x06);
write8(VACPI_MMIO_VBASE + PMIO2_BASE + 0x11, 0x06);
write8(VACPI_MMIO_VBASE + PMIO2_BASE + 0x12, 0xf7);
write8(VACPI_MMIO_VBASE + PMIO2_BASE + 0x13, 0xff);
write8(VACPI_MMIO_VBASE + PMIO2_BASE + 0x14, 0xff);
#endif
#if IS_ENABLED(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[10];
int i;
regs[0] = 0;
regs[1] = 0;
FunNum = Fun_80;
for (i = 0; i <= 1; i++)
WriteECmsg(MSG_REG0 + i, AccessWidth8, ®s[i], &StdHeader);
WriteECmsg(MSG_SYS_TO_IMC, AccessWidth8, &FunNum, &StdHeader); // function number
WaitForEcLDN9MailboxCmdAck(&StdHeader);
for (i = 2; i < ARRAY_SIZE(regs); i++)
ReadECmsg(MSG_REG0 + i, AccessWidth8, ®s[i], &StdHeader);
/* enable thermal zone 0 */
regs[2] |= 1;
regs[0] = 0;
regs[1] = 0;
FunNum = Fun_81;
for (i = 0; i < ARRAY_SIZE(regs); i++)
WriteECmsg(MSG_REG0 + i, AccessWidth8, ®s[i], &StdHeader);
WriteECmsg(MSG_SYS_TO_IMC, AccessWidth8, &FunNum, &StdHeader); // function number
WaitForEcLDN9MailboxCmdAck(&StdHeader);
}
#endif
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