diff options
Diffstat (limited to 'src/northbridge/amd/agesa/oem_s3.c')
| -rw-r--r-- | src/northbridge/amd/agesa/oem_s3.c | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/src/northbridge/amd/agesa/oem_s3.c b/src/northbridge/amd/agesa/oem_s3.c deleted file mode 100644 index f2cef990db..0000000000 --- a/src/northbridge/amd/agesa/oem_s3.c +++ /dev/null @@ -1,167 +0,0 @@ -/* - * 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 <spi-generic.h> -#include <spi_flash.h> -#include <string.h> -#include <cbmem.h> -#include <program_loading.h> -#include <cpu/amd/agesa/s3_resume.h> -#include <northbridge/amd/agesa/agesawrapper.h> -#include <northbridge/amd/agesa/state_machine.h> -#include <AGESA.h> -#include <northbridge/amd/agesa/agesa_helper.h> - -typedef enum { - S3DataTypeNonVolatile = 0, ///< NonVolatile Data Type - S3DataTypeMTRR ///< MTRR storage -} S3_DATA_TYPE; - -/* The size needs to be 4k aligned, which is the sector size of most flashes. */ -#define S3_DATA_MTRR_SIZE 0x1000 -#define S3_DATA_NONVOLATILE_SIZE 0x1000 - -#if IS_ENABLED(CONFIG_HAVE_ACPI_RESUME) && \ - (S3_DATA_MTRR_SIZE + S3_DATA_NONVOLATILE_SIZE) > CONFIG_S3_DATA_SIZE -#error "Please increase the value of S3_DATA_SIZE" -#endif - -static void get_s3nv_data(S3_DATA_TYPE S3DataType, uintptr_t *pos, uintptr_t *len) -{ - /* FIXME: Find file from CBFS. */ - u32 s3_data = CONFIG_S3_DATA_POS; - - switch (S3DataType) { - case S3DataTypeMTRR: - *pos = s3_data; - *len = S3_DATA_MTRR_SIZE; - break; - case S3DataTypeNonVolatile: - *pos = s3_data + S3_DATA_MTRR_SIZE; - *len = S3_DATA_NONVOLATILE_SIZE; - break; - default: - *pos = 0; - *len = 0; - break; - } -} - -AGESA_STATUS OemInitResume(AMD_S3_PARAMS *dataBlock) -{ - uintptr_t pos, size; - get_s3nv_data(S3DataTypeNonVolatile, &pos, &size); - - u32 len = *(u32*)pos; - - /* Test for uninitialized s3nv data in SPI. */ - if (len == 0 || len == (u32)-1ULL) - return AGESA_FATAL; - - dataBlock->NvStorageSize = len; - dataBlock->NvStorage = (void *) (pos + sizeof(u32)); - return AGESA_SUCCESS; -} - -AGESA_STATUS OemS3LateRestore(AMD_S3_PARAMS *dataBlock) -{ - char *heap = cbmem_find(CBMEM_ID_RESUME_SCRATCH); - if (heap == NULL) - return AGESA_FATAL; - - printk(BIOS_DEBUG, "Using resume HEAP at %08x\n", - (unsigned int)(uintptr_t) heap); - - /* Return allocated CBMEM size, we do not keep track of - * how much was actually used. - */ - dataBlock->VolatileStorageSize = HIGH_MEMORY_SCRATCH; - dataBlock->VolatileStorage = heap; - return AGESA_SUCCESS; -} - -#if ENV_RAMSTAGE - -static int spi_SaveS3info(u32 pos, u32 size, u8 *buf, u32 len) -{ -#if IS_ENABLED(CONFIG_SPI_FLASH) - struct spi_flash flash; - - spi_init(); - if (spi_flash_probe(0, 0, &flash)) - return -1; - - spi_flash_volatile_group_begin(&flash); - - spi_flash_erase(&flash, pos, size); - spi_flash_write(&flash, pos, sizeof(len), &len); - spi_flash_write(&flash, pos + sizeof(len), len, buf); - - spi_flash_volatile_group_end(&flash); - return 0; -#else - return -1; -#endif -} - -static u8 MTRRStorage[S3_DATA_MTRR_SIZE]; - -AGESA_STATUS OemS3Save(AMD_S3_PARAMS *dataBlock) -{ - u32 MTRRStorageSize = 0; - uintptr_t pos, size; - - romstage_ram_stack_base(HIGH_ROMSTAGE_STACK_SIZE, ROMSTAGE_STACK_CBMEM); - - /* To be consumed in AmdInitResume. */ - get_s3nv_data(S3DataTypeNonVolatile, &pos, &size); - if (size && dataBlock->NvStorageSize) - spi_SaveS3info(pos, size, dataBlock->NvStorage, - dataBlock->NvStorageSize); - else - printk(BIOS_EMERG, - "Error: Cannot store memory training results in SPI.\n" - "Error: S3 resume will not be possible.\n" - ); - - /* To be consumed in AmdS3LateRestore. */ - char *heap = cbmem_add(CBMEM_ID_RESUME_SCRATCH, HIGH_MEMORY_SCRATCH); - if (heap) { - memset(heap, 0, HIGH_MEMORY_SCRATCH); - memcpy(heap, dataBlock->VolatileStorage, dataBlock->VolatileStorageSize); - } - - /* Collect MTRR setup. */ - backup_mtrr(MTRRStorage, &MTRRStorageSize); - - /* To be consumed in restore_mtrr, CPU enumeration in ramstage. */ - get_s3nv_data(S3DataTypeMTRR, &pos, &size); - if (size && MTRRStorageSize) - spi_SaveS3info(pos, size, MTRRStorage, MTRRStorageSize); - - return AGESA_SUCCESS; -} - -#endif /* ENV_RAMSTAGE */ - -const void *OemS3Saved_MTRR_Storage(void) -{ - uintptr_t pos, size; - get_s3nv_data(S3DataTypeMTRR, &pos, &size); - if (!size) - return NULL; - - return (void*)(pos + sizeof(UINT32)); -} |