| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2016 Kyösti Mälkki |
| * |
| * 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 "Porting.h" |
| #include "AGESA.h" |
| |
| #include <arch/io.h> |
| #include <cbmem.h> |
| #include <device/device.h> |
| #include <device/pci_def.h> |
| #include <halt.h> |
| #include <reset.h> |
| #include <smp/node.h> |
| #include <northbridge/amd/agesa/state_machine.h> |
| #include <northbridge/amd/agesa/agesa_helper.h> |
| |
| #include <sb_cimx.h> |
| |
| void platform_BeforeInitReset(struct sysinfo *cb, AMD_RESET_PARAMS *Reset) |
| { |
| /* Reboots with outb(3,0x92), outb(4,0xcf9) or triple-fault all |
| * would fail later in AmdInitPost(), when DRAM is already configured |
| * and C6DramLock bit has been set. |
| * |
| * As a workaround, do a hard reset to clear C6DramLock bit. |
| */ |
| #ifdef __SIMPLE_DEVICE__ |
| pci_devfn_t dev = PCI_DEV(0, 0x18, 2); |
| #else |
| struct device *dev = dev_find_slot(0, PCI_DEVFN(0x18, 2)); |
| #endif |
| if (boot_cpu()) { |
| u32 mct_cfg_lo = pci_read_config32(dev, 0x118); |
| if (mct_cfg_lo & (1<<19)) { |
| printk(BIOS_CRIT, "C6DramLock is set, resetting\n"); |
| hard_reset(); |
| } |
| } |
| } |
| |
| void platform_BeforeInitEarly(struct sysinfo *cb, AMD_EARLY_PARAMS *Early) |
| { |
| } |
| |
| void platform_BeforeInitPost(struct sysinfo *cb, AMD_POST_PARAMS *Post) |
| { |
| } |
| |
| void platform_AfterInitPost(struct sysinfo *cb, AMD_POST_PARAMS *Post) |
| { |
| backup_top_of_low_cacheable(Post->MemConfig.Sub4GCacheTop); |
| } |
| |
| void platform_BeforeInitResume(struct sysinfo *cb, AMD_RESUME_PARAMS *Resume) |
| { |
| OemInitResume(&Resume->S3DataBlock); |
| } |
| |
| void platform_AfterInitResume(struct sysinfo *cb, AMD_RESUME_PARAMS *Resume) |
| { |
| } |
| |
| void platform_BeforeInitEnv(struct sysinfo *cb, AMD_ENV_PARAMS *Env) |
| { |
| EmptyHeap(); |
| } |
| |
| void platform_AfterInitEnv(struct sysinfo *cb, AMD_ENV_PARAMS *Env) |
| { |
| amd_initenv(); |
| } |
| |
| void platform_BeforeS3LateRestore(struct sysinfo *cb, AMD_S3LATE_PARAMS *S3Late) |
| { |
| OemS3LateRestore(&S3Late->S3DataBlock); |
| } |
| |
| void platform_AfterS3LateRestore(struct sysinfo *cb, AMD_S3LATE_PARAMS *S3Late) |
| { |
| } |
| |
| void platform_BeforeInitMid(struct sysinfo *cb, AMD_MID_PARAMS *Mid) |
| { |
| sb_After_Pci_Init(); |
| sb_Mid_Post_Init(); |
| |
| amd_initcpuio(); |
| } |
| |
| void platform_AfterInitLate(struct sysinfo *cb, AMD_LATE_PARAMS *Late) |
| { |
| sb_Late_Post(); |
| } |
| |
| void platform_AfterS3Save(struct sysinfo *cb, AMD_S3SAVE_PARAMS *S3Save) |
| { |
| OemS3Save(&S3Save->S3DataBlock); |
| } |