diff options
Diffstat (limited to 'src/cpu/amd')
| -rw-r--r-- | src/cpu/amd/agesa/Makefile.inc | 2 | ||||
| -rwxr-xr-x | src/cpu/amd/agesa/cache_as_ram.inc | 7 | ||||
| -rw-r--r-- | src/cpu/amd/agesa/family14/Kconfig | 5 | ||||
| -rw-r--r-- | src/cpu/amd/agesa/family14/model_14_init.c | 125 | ||||
| -rw-r--r-- | src/cpu/amd/agesa/s3_resume.c | 326 | ||||
| -rw-r--r-- | src/cpu/amd/agesa/s3_resume.h | 42 |
6 files changed, 453 insertions, 54 deletions
diff --git a/src/cpu/amd/agesa/Makefile.inc b/src/cpu/amd/agesa/Makefile.inc index fb536ddc53..696173daae 100644 --- a/src/cpu/amd/agesa/Makefile.inc +++ b/src/cpu/amd/agesa/Makefile.inc @@ -21,5 +21,7 @@ subdirs-$(CONFIG_CPU_AMD_AGESA_FAMILY12) += family12 subdirs-$(CONFIG_CPU_AMD_AGESA_FAMILY14) += family14 subdirs-$(CONFIG_CPU_AMD_AGESA_FAMILY15) += family15 +romstage-$(CONFIG_HAVE_ACPI_RESUME) += s3_resume.c +ramstage-$(CONFIG_HAVE_ACPI_RESUME) += s3_resume.c ramstage-y += apic_timer.c cpu_incs += $(src)/cpu/amd/agesa/cache_as_ram.inc diff --git a/src/cpu/amd/agesa/cache_as_ram.inc b/src/cpu/amd/agesa/cache_as_ram.inc index f328db405e..2124bf3be8 100755 --- a/src/cpu/amd/agesa/cache_as_ram.inc +++ b/src/cpu/amd/agesa/cache_as_ram.inc @@ -86,6 +86,13 @@ disable_cache_as_ram: /* Save return stack */ movd %esp, %xmm0 + /* Disable cache */ + movl %cr0, %eax + orl $(1 << 30), %eax + movl %eax, %cr0 + + invd + AMD_DISABLE_STACK /* Restore the return stack */ diff --git a/src/cpu/amd/agesa/family14/Kconfig b/src/cpu/amd/agesa/family14/Kconfig index 702270c1cc..6713660ff8 100644 --- a/src/cpu/amd/agesa/family14/Kconfig +++ b/src/cpu/amd/agesa/family14/Kconfig @@ -67,3 +67,8 @@ config HAVE_INIT_TIMER default y depends on CPU_AMD_AGESA_FAMILY14 +config HIGH_SCRATCH_MEMORY_SIZE + hex + # Assume the maximum size of stack as (0xA0000 - 0x30000 + 0x1000) + default 0x71000 + depends on CPU_AMD_AGESA_FAMILY14 diff --git a/src/cpu/amd/agesa/family14/model_14_init.c b/src/cpu/amd/agesa/family14/model_14_init.c index 577da1ba0d..d90695af4a 100644 --- a/src/cpu/amd/agesa/family14/model_14_init.c +++ b/src/cpu/amd/agesa/family14/model_14_init.c @@ -32,6 +32,8 @@ #include <cpu/x86/cache.h> #include <cpu/x86/mtrr.h> #include <cpu/amd/amdfam14.h> +#include <arch/acpi.h> +#include <cpu/amd/agesa/s3_resume.h> #define MCI_STATUS 0x401 @@ -57,69 +59,84 @@ void wrmsr_amd(u32 index, msr_t msr) static void model_14_init(device_t dev) { - printk(BIOS_DEBUG, "Model 14 Init.\n"); - - u8 i; - msr_t msr; - int msrno; + u32 i; + msr_t msr; #if CONFIG_LOGICAL_CPUS == 1 - u32 siblings; + u32 siblings; +#endif + printk(BIOS_DEBUG, "Model 14 Init.\n"); + + disable_cache (); + /* + * AGESA sets the MTRRs main MTRRs. The shadow area needs to be set + * by coreboot. The amd_setup_mtrrs should work, but needs debug on fam14. + * TODO: + * amd_setup_mtrrs(); + */ + + /* Enable access to AMD RdDram and WrDram extension bits */ + msr = rdmsr(SYSCFG_MSR); + msr.lo |= SYSCFG_MSR_MtrrFixDramModEn; + msr.lo &= ~SYSCFG_MSR_MtrrFixDramEn; + wrmsr(SYSCFG_MSR, msr); + + /* Set shadow WB, RdMEM, WrMEM */ + msr.lo = msr.hi = 0; + wrmsr (0x259, msr); + msr.hi = msr.lo = 0x1e1e1e1e; + wrmsr(0x250, msr); + wrmsr(0x258, msr); + for (i = 0x268; i <= 0x26f; i++) + wrmsr(i, msr); + + msr = rdmsr(SYSCFG_MSR); + msr.lo &= ~SYSCFG_MSR_MtrrFixDramModEn; + msr.lo |= SYSCFG_MSR_MtrrFixDramEn; + wrmsr(SYSCFG_MSR, msr); + +#if CONFIG_HAVE_ACPI_RESUME == 1 + if (acpi_slp_type == 3) + restore_mtrr(); #endif - disable_cache (); - /* Enable access to AMD RdDram and WrDram extension bits */ - msr = rdmsr(SYSCFG_MSR); - msr.lo |= SYSCFG_MSR_MtrrFixDramModEn; - wrmsr(SYSCFG_MSR, msr); - - // BSP: make a0000-bffff UC, c0000-fffff WB, same as OntarioApMtrrSettingsList for APs - msr.lo = msr.hi = 0; - wrmsr (0x259, msr); - msr.lo = msr.hi = 0x1e1e1e1e; - for (msrno = 0x268; msrno <= 0x26f; msrno++) - wrmsr (msrno, msr); - - /* disable access to AMD RdDram and WrDram extension bits */ - msr = rdmsr(SYSCFG_MSR); - msr.lo &= ~SYSCFG_MSR_MtrrFixDramModEn; - wrmsr(SYSCFG_MSR, msr); - enable_cache (); - - /* zero the machine check error status registers */ - msr.lo = 0; - msr.hi = 0; - for (i = 0; i < 6; i++) { - wrmsr(MCI_STATUS + (i * 4), msr); - } - - /* Enable the local cpu apics */ - setup_lapic(); + x86_mtrr_check(); + x86_enable_cache(); + + /* zero the machine check error status registers */ + msr.lo = 0; + msr.hi = 0; + for (i = 0; i < 6; i++) { + wrmsr(MCI_STATUS + (i * 4), msr); + } + + /* Enable the local cpu apics */ + setup_lapic(); #if CONFIG_LOGICAL_CPUS == 1 - siblings = cpuid_ecx(0x80000008) & 0xff; - - if (siblings > 0) { - msr = rdmsr_amd(CPU_ID_FEATURES_MSR); - msr.lo |= 1 << 28; - wrmsr_amd(CPU_ID_FEATURES_MSR, msr); - - msr = rdmsr_amd(CPU_ID_EXT_FEATURES_MSR); - msr.hi |= 1 << (33 - 32); - wrmsr_amd(CPU_ID_EXT_FEATURES_MSR, msr); - } - printk(BIOS_DEBUG, "siblings = %02d, ", siblings); + siblings = cpuid_ecx(0x80000008) & 0xff; + + if (siblings > 0) { + msr = rdmsr_amd(CPU_ID_FEATURES_MSR); + msr.lo |= 1 << 28; + wrmsr_amd(CPU_ID_FEATURES_MSR, msr); + + msr = rdmsr_amd(CPU_ID_EXT_FEATURES_MSR); + msr.hi |= 1 << (33 - 32); + wrmsr_amd(CPU_ID_EXT_FEATURES_MSR, msr); + } #endif - /* DisableCf8ExtCfg */ - msr = rdmsr(NB_CFG_MSR); - msr.hi &= ~(1 << (46 - 32)); - wrmsr(NB_CFG_MSR, msr); + /* DisableCf8ExtCfg */ + msr = rdmsr(NB_CFG_MSR); + msr.hi &= ~(1 << (46 - 32)); + wrmsr(NB_CFG_MSR, msr); + /* Write protect SMM space with SMMLOCK. */ + msr = rdmsr(HWCR_MSR); + msr.lo |= (1 << 0); + wrmsr(HWCR_MSR, msr); - /* Write protect SMM space with SMMLOCK. */ - msr = rdmsr(HWCR_MSR); - msr.lo |= (1 << 0); - wrmsr(HWCR_MSR, msr); + printk(BIOS_SPEW, "%s done.\n", __func__); } static struct device_operations cpu_dev_ops = { diff --git a/src/cpu/amd/agesa/s3_resume.c b/src/cpu/amd/agesa/s3_resume.c new file mode 100644 index 0000000000..16c959a570 --- /dev/null +++ b/src/cpu/amd/agesa/s3_resume.c @@ -0,0 +1,326 @@ +/* + * 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 "AGESA.h" +#include "amdlib.h" +#include <console/console.h> +#include <cpu/x86/msr.h> +#include <cpu/x86/mtrr.h> +#include <cpu/amd/mtrr.h> +#include <cpu/x86/cache.h> +#if CONFIG_WRITE_HIGH_TABLES +#include <cbmem.h> +#endif +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ops.h> +#include <arch/io.h> +#include <arch/acpi.h> +#include <string.h> +#include "Porting.h" +#include "BiosCallOuts.h" +#include "s3_resume.h" +#include "agesawrapper.h" + +#ifndef __PRE_RAM__ +#include "spi.h" +#endif + +void restore_mtrr(void) +{ + u32 msr; + volatile UINT32 *msrPtr = (volatile UINT32 *)S3_DATA_MTRR_POS; + msr_t msr_data; + + printk(BIOS_SPEW, "%s\n", __func__); + + disable_cache(); + + /* Enable access to AMD RdDram and WrDram extension bits */ + msr_data = rdmsr(SYS_CFG); + msr_data.lo |= SYSCFG_MSR_MtrrFixDramModEn; + wrmsr(SYS_CFG, msr_data); + + /* Now restore the Fixed MTRRs */ + msr_data.lo = *msrPtr; + msrPtr ++; + msr_data.hi = *msrPtr; + msrPtr ++; + wrmsr(0x250, msr_data); + + msr_data.lo = *msrPtr; + msrPtr ++; + msr_data.hi = *msrPtr; + msrPtr ++; + wrmsr(0x258, msr_data); + + msr_data.lo = *msrPtr; + msrPtr ++; + msr_data.hi = *msrPtr; + msrPtr ++; + wrmsr(0x259, msr_data); + + for (msr = 0x268; msr <= 0x26F; msr++) { + msr_data.lo = *msrPtr; + msrPtr ++; + msr_data.hi = *msrPtr; + msrPtr ++; + wrmsr(msr, msr_data); + } + + /* Disable access to AMD RdDram and WrDram extension bits */ + msr_data = rdmsr(SYS_CFG); + msr_data.lo &= ~SYSCFG_MSR_MtrrFixDramModEn; + wrmsr(SYS_CFG, msr_data); + + /* Restore the Variable MTRRs */ + for (msr = 0x200; msr <= 0x20F; msr++) { + msr_data.lo = *msrPtr; + msrPtr ++; + msr_data.hi = *msrPtr; + msrPtr ++; + wrmsr(msr, msr_data); + } + + /* Restore SYSCFG MTRR */ + msr_data.lo = *msrPtr; + msrPtr ++; + msr_data.hi = *msrPtr; + msrPtr ++; + wrmsr(SYS_CFG, msr_data); +} + +inline void *backup_resume(void) +{ + unsigned long high_ram_base; + void *resume_backup_memory; + + /* Start address of high memory tables */ + high_ram_base = (u32) get_cbmem_toc(); + + /* + * printk(BIOS_DEBUG, "CBMEM TOC is at: %x\n", (u32_t)high_ram_base); + * printk(BIOS_DEBUG, "CBMEM TOC 0-size:%x\n ",(u32_t)(high_ram_base + HIGH_MEMORY_SIZE + 4096)); + */ + + cbmem_reinit((u64) high_ram_base); + + resume_backup_memory = cbmem_find(CBMEM_ID_RESUME); + if (((u32) resume_backup_memory == 0) + || ((u32) resume_backup_memory == -1)) { + printk(BIOS_ERR, "Error: resume_backup_memory: %x\n", + (u32) resume_backup_memory); + for (;;) ; + } + + return resume_backup_memory; +} + +void move_stack_high_mem(void) +{ + void *high_stack; + + high_stack = cbmem_find(CBMEM_ID_RESUME_SCRATCH); + memcpy(high_stack, (void *)BSP_STACK_BASE_ADDR, + (CONFIG_HIGH_SCRATCH_MEMORY_SIZE - BIOS_HEAP_SIZE)); + + __asm__ + volatile ("add %0, %%esp; add %0, %%ebp; invd"::"g" + (high_stack - BSP_STACK_BASE_ADDR) + :); +} + +void OemAgesaSaveMtrr(void) +{ +#ifndef __PRE_RAM__ + u32 spi_address; + msr_t msr_data; + device_t dev; + u32 nvram_pos = S3_DATA_MTRR_POS; + u32 i; + + dev = dev_find_slot(0, PCI_DEVFN(0x14, 3)); + spi_address = pci_read_config32(dev, 0xA0) & ~0x1F; + + /* Enable access to AMD RdDram and WrDram extension bits */ + msr_data = rdmsr(SYS_CFG); + msr_data.lo |= SYSCFG_MSR_MtrrFixDramModEn; + wrmsr(SYS_CFG, msr_data); + + /* Fixed MTRRs */ + msr_data = rdmsr(0x250); + dword_noneAAI_program((u8 *) spi_address, nvram_pos, msr_data.lo); + nvram_pos += 4; + dword_noneAAI_program((u8 *) spi_address, nvram_pos, msr_data.hi); + nvram_pos += 4; + + msr_data = rdmsr(0x258); + dword_noneAAI_program((u8 *) spi_address, nvram_pos, msr_data.lo); + nvram_pos += 4; + dword_noneAAI_program((u8 *) spi_address, nvram_pos, msr_data.hi); + nvram_pos += 4; + + msr_data = rdmsr(0x259); + dword_noneAAI_program((u8 *) spi_address, nvram_pos, msr_data.lo); + nvram_pos += 4; + dword_noneAAI_program((u8 *) spi_address, nvram_pos, msr_data.hi); + nvram_pos += 4; + + for (i = 0x268; i < 0x270; i++) { + msr_data = rdmsr(i); + dword_noneAAI_program((u8 *) spi_address, nvram_pos, msr_data.lo); + nvram_pos += 4; + dword_noneAAI_program((u8 *) spi_address, nvram_pos, msr_data.hi); + nvram_pos += 4; + } + + /* Disable access to AMD RdDram and WrDram extension bits */ + msr_data = rdmsr(SYS_CFG); + msr_data.lo &= ~SYSCFG_MSR_MtrrFixDramModEn; + wrmsr(SYS_CFG, msr_data); + + /* Variable MTRRs */ + for (i = 0x200; i < 0x210; i++) { + msr_data = rdmsr(i); + dword_noneAAI_program((u8 *) spi_address, nvram_pos, msr_data.lo); + nvram_pos += 4; + dword_noneAAI_program((u8 *) spi_address, nvram_pos, msr_data.hi); + nvram_pos += 4; + } + + /* SYS_CFG */ + msr_data = rdmsr(0xC0010010); + dword_noneAAI_program((u8 *) spi_address, nvram_pos, msr_data.lo); + nvram_pos += 4; + dword_noneAAI_program((u8 *) spi_address, nvram_pos, msr_data.hi); + nvram_pos += 4; + + /* TOM */ + msr_data = rdmsr(0xC001001A); + dword_noneAAI_program((u8 *) spi_address, nvram_pos, msr_data.lo); + nvram_pos += 4; + dword_noneAAI_program((u8 *) spi_address, nvram_pos, msr_data.hi); + nvram_pos += 4; + + /* TOM2 */ + msr_data = rdmsr(0xC001001D); + dword_noneAAI_program((u8 *) spi_address, nvram_pos, msr_data.lo); + nvram_pos += 4; + dword_noneAAI_program((u8 *) spi_address, nvram_pos, msr_data.hi); + nvram_pos += 4; + +#endif +} + +void OemAgesaGetS3Info(S3_DATA_TYPE S3DataType, u32 *DataSize, void **Data) +{ + AMD_CONFIG_PARAMS StdHeader; + if (S3DataType == S3DataTypeNonVolatile) { + *Data = (void *)S3_DATA_NONVOLATILE_POS; + *DataSize = *(UINTN *) (*Data); + *Data += 4; + } else { + *DataSize = *(UINTN *) S3_DATA_VOLATILE_POS; + *Data = (void *) GetHeapBase(&StdHeader); + memcpy((void *)(*Data), (void *)(S3_DATA_VOLATILE_POS + 4), *DataSize); + } +} + +#ifndef __PRE_RAM__ +u32 OemAgesaSaveS3Info(S3_DATA_TYPE S3DataType, u32 DataSize, void *Data) +{ + + u32 pos = S3_DATA_VOLATILE_POS; + u32 spi_address, data; + u32 nvram_pos; + device_t dev; + + if (S3DataType == S3DataTypeNonVolatile) { + pos = S3_DATA_NONVOLATILE_POS; + } else { /* S3DataTypeVolatile */ + pos = S3_DATA_VOLATILE_POS; + } + + dev = dev_find_slot(0, PCI_DEVFN(0x14, 3)); + spi_address = pci_read_config32(dev, 0xA0) & ~0x1F; + + /* printk(BIOS_DEBUG, "spi_address=%x\n", spi_address); */ + read_spi_id((u8 *) spi_address); + write_spi_status((u8 *)spi_address, 0); + if (S3DataType == S3DataTypeNonVolatile) { + sector_erase_spi((u8 *) spi_address, S3_DATA_NONVOLATILE_POS); + } else { + sector_erase_spi((u8 *) spi_address, S3_DATA_VOLATILE_POS); + sector_erase_spi((u8 *) spi_address, + S3_DATA_VOLATILE_POS + 0x1000); + sector_erase_spi((u8 *) spi_address, + S3_DATA_VOLATILE_POS + 0x2000); + sector_erase_spi((u8 *) spi_address, + S3_DATA_VOLATILE_POS + 0x3000); + } + + nvram_pos = 0; + dword_noneAAI_program((u8 *) spi_address, nvram_pos + pos, DataSize); + + for (nvram_pos = 0; nvram_pos < DataSize; nvram_pos += 4) { + data = *(u32 *) (Data + nvram_pos); + dword_noneAAI_program((u8 *) spi_address, nvram_pos + pos + 4, + *(u32 *) (Data + nvram_pos)); + } + + return AGESA_SUCCESS; +} +#endif + +void set_resume_cache(void) +{ + msr_t msr; + + /* disable fixed mtrr for now, it will be enabled by mtrr restore */ + msr = rdmsr(SYSCFG_MSR); + msr.lo &= ~(SYSCFG_MSR_MtrrFixDramEn | SYSCFG_MSR_MtrrFixDramModEn); + wrmsr(SYSCFG_MSR, msr); + + /* Enable caching for 0 - coreboot ram using variable mtrr */ + msr.lo = 0 | MTRR_TYPE_WRBACK; + msr.hi = 0; + wrmsr(MTRRphysBase_MSR(0), msr); + msr.lo = ~(CONFIG_RAMTOP - 1) | MTRRphysMaskValid; + msr.hi = (1 << (CONFIG_CPU_ADDR_BITS - 32)) - 1; + wrmsr(MTRRphysMask_MSR(0), msr); + + /* Set the default memory type and disable fixed and enable variable MTRRs */ + msr.hi = 0; + msr.lo = (1 << 11); + wrmsr(MTRRdefType_MSR, msr); + + enable_cache(); +} + +void s3_resume(void) +{ + int status; + + printk(BIOS_DEBUG, "agesawrapper_amds3laterestore "); + status = agesawrapper_amds3laterestore(); + if (status) + printk(BIOS_DEBUG, "error level: %x \n", (u32) status); + else + printk(BIOS_DEBUG, "passed.\n"); +} diff --git a/src/cpu/amd/agesa/s3_resume.h b/src/cpu/amd/agesa/s3_resume.h new file mode 100644 index 0000000000..22a72711bf --- /dev/null +++ b/src/cpu/amd/agesa/s3_resume.h @@ -0,0 +1,42 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2011 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 S3_RESUME_H +#define S3_RESUME_H + +#define S3_DATA_NONVOLATILE_POS 0xFFFF4000 +#define S3_DATA_VOLATILE_POS 0xFFFF0000 +#define S3_DATA_MTRR_POS 0xFFFF3100 + +typedef enum { + S3DataTypeNonVolatile=0, ///< NonVolatile Data Type + S3DataTypeVolatile ///< Volatile Data Type +} S3_DATA_TYPE; + +void restore_mtrr(void); +void s3_resume(void); +inline void *backup_resume(void); +void set_resume_cache(void); +void move_stack_high_mem(void); + +u32 OemAgesaSaveS3Info (S3_DATA_TYPE S3DataType, u32 DataSize, void *Data); +void OemAgesaGetS3Info (S3_DATA_TYPE S3DataType, u32 *DataSize, void **Data); +void OemAgesaSaveMtrr (void); + +#endif |