diff options
Diffstat (limited to 'src/drivers')
| -rw-r--r-- | src/drivers/intel/fsp2_0/include/fsp/upd.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/drivers/intel/fsp2_0/include/fsp/upd.h b/src/drivers/intel/fsp2_0/include/fsp/upd.h new file mode 100644 index 0000000000..004d91b9c6 --- /dev/null +++ b/src/drivers/intel/fsp2_0/include/fsp/upd.h @@ -0,0 +1,64 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2016 Intel Corp. + * + * 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; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef _FSP2_0_UPD_H_ +#define _FSP2_0_UPD_H_ + +struct FSP_UPD_HEADER { + /// + /// UPD Region Signature. This signature will be + /// "XXXXXX_T" for FSP-T + /// "XXXXXX_M" for FSP-M + /// "XXXXXX_S" for FSP-S + /// Where XXXXXX is an unique signature + /// + uint64_t Signature; + /// + /// Revision of the Data structure. For FSP v2.0 value is 1. + /// + uint8_t Revision; + uint8_t Reserved[23]; +} __attribute__((packed)); + +struct FSPM_ARCH_UPD { + /// + /// Revision of the structure. For FSP v2.0 value is 1. + /// + uint8_t Revision; + uint8_t Reserved[3]; + /// + /// Pointer to the non-volatile storage (NVS) data buffer. + /// If it is NULL it indicates the NVS data is not available. + /// + void *NvsBufferPtr; + /// + /// Pointer to the temporary stack base address to be + /// consumed inside FspMemoryInit() API. + /// + void *StackBase; + /// + /// Temporary stack size to be consumed inside + /// FspMemoryInit() API. + /// + uint32_t StackSize; + /// + /// Size of memory to be reserved by FSP below "top + /// of low usable memory" for bootloader usage. + /// + uint32_t BootLoaderTolumSize; + /// + /// Current boot mode. + /// + uint32_t BootMode; + uint8_t Reserved1[8]; +} __attribute__((packed)); + +#endif /* _FSP2_0_UPD_H_ */ |