| /* |
| * 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. |
| */ |
| |
| #define __SIMPLE_DEVICE__ |
| |
| #include "imc.h" |
| #include <device/mmio.h> |
| #include <device/pci_ops.h> |
| #include <device/device.h> |
| #include <Porting.h> |
| #include <AGESA.h> |
| #include <Lib/amdlib.h> |
| #include <Proc/Fch/Common/FchCommonCfg.h> |
| #include <Proc/Fch/Fch.h> |
| #include <Proc/Fch/FchPlatform.h> |
| |
| #define VACPI_MMIO_VBASE ((u8 *)ACPI_MMIO_BASE) |
| |
| void imc_reg_init(void) |
| { |
| u8 reg8; |
| /* 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); |
| |
| 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); |
| |
| reg8 = pci_read_config8(PCI_DEV(0, 0x18, 0x3), 0x1E4); |
| reg8 &= 0x8F; |
| reg8 |= 0x10; |
| pci_write_config8(PCI_DEV(0, 0x18, 0x3), 0x1E4, reg8); |
| } |
| |
| #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); |
| 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); |
| WaitForEcLDN9MailboxCmdAck(&StdHeader); |
| } |
| #endif |