diff options
Diffstat (limited to 'src/vendorcode/intel/fsp/baytrail/srx/board_fsp.c')
| -rw-r--r-- | src/vendorcode/intel/fsp/baytrail/srx/board_fsp.c | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/src/vendorcode/intel/fsp/baytrail/srx/board_fsp.c b/src/vendorcode/intel/fsp/baytrail/srx/board_fsp.c new file mode 100644 index 0000000000..452cc19842 --- /dev/null +++ b/src/vendorcode/intel/fsp/baytrail/srx/board_fsp.c @@ -0,0 +1,187 @@ +/** + +Copyright (C) 2013, Intel Corporation + +Redistribution and use in source and binary forms, with or without modification, +are permitted provided that the following conditions are met: + +* Redistributions of source code must retain the above copyright notice, this + list of conditions and the following disclaimer. +* Redistributions in binary form must reproduce the above copyright notice, this + list of conditions and the following disclaimer in the documentation and/or + other materials provided with the distribution. +* Neither the name of Intel Corporation nor the names of its contributors may + be used to endorse or promote products derived from this software without + specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF + THE POSSIBILITY OF SUCH DAMAGE. + +**/ + +/*********************************************************************** + * + * board_fsp.c + * + * Parse HOB to get system data. + * + **********************************************************************/ +#include "fsp.h" + +void +GetLowMemorySize ( + uint32_t *LowMemoryLength + ) +{ + EFI_PEI_HOB_POINTERS Hob; + + *LowMemoryLength = 0x100000; + + // + // Get the HOB list for processing + // + Hob.Raw = GetHobList(); + + // + // Collect memory ranges + // + while (!END_OF_HOB_LIST (Hob)) { + if (Hob.Header->HobType == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) { + if (Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) { + // + // Need memory above 1MB to be collected here + // + if (Hob.ResourceDescriptor->PhysicalStart >= 0x100000 && + Hob.ResourceDescriptor->PhysicalStart < (EFI_PHYSICAL_ADDRESS) 0x100000000) { + *LowMemoryLength += (uint32_t) (Hob.ResourceDescriptor->ResourceLength); + } + } + } + Hob.Raw = GET_NEXT_HOB (Hob); + } + + return; +} + +void +GetHighMemorySize ( + uint64_t *HighMemoryLength + ) +{ + EFI_PEI_HOB_POINTERS Hob; + + *HighMemoryLength = 0x0; + + // + // Get the HOB list for processing + // + Hob.Raw = GetHobList(); + + // + // Collect memory ranges + // + while (!END_OF_HOB_LIST (Hob)) { + if (Hob.Header->HobType == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) { + if (Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) { + // + // Need memory above 4GB to be collected here + // + if (Hob.ResourceDescriptor->PhysicalStart >= (EFI_PHYSICAL_ADDRESS) 0x100000000) { + *HighMemoryLength += (uint64_t) (Hob.ResourceDescriptor->ResourceLength); + } + } + } + Hob.Raw = GET_NEXT_HOB (Hob); + } + + return; +} + +void +GetFspReservedMemoryFromGuid ( + uint32_t *FspMemoryBase, + uint32_t *FspMemoryLength, + EFI_GUID FspReservedMemoryGuid + ) +{ + EFI_PEI_HOB_POINTERS Hob; + + // + // Get the HOB list for processing + // + Hob.Raw = GetHobList(); + *FspMemoryBase = 0; + *FspMemoryLength = 0; + + // + // Collect memory ranges + // + while (!END_OF_HOB_LIST (Hob)) { + if (Hob.Header->HobType == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) { + if (Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_MEMORY_RESERVED) { + if (CompareGuid(&Hob.ResourceDescriptor->Owner, &FspReservedMemoryGuid)) { + *FspMemoryBase = (uint32_t) (Hob.ResourceDescriptor->PhysicalStart); + *FspMemoryLength = (uint32_t) (Hob.ResourceDescriptor->ResourceLength); + break; + } + } + } + Hob.Raw = GET_NEXT_HOB (Hob); + } + + return; +} + +void +GetFspNVStorageMemory ( + VOID **FspNVStorageHob, + uint16_t *DataSize + ) +{ + + EFI_GUID FspNVStorageHobGuid = FSP_NON_VOLATILE_STORAGE_HOB_GUID; + uint8_t *GuidHob; + EFI_HOB_GENERIC_HEADER *GuidHobHdr; + + GuidHob = GetFirstGuidHob(&FspNVStorageHobGuid); + if (!GuidHob) { + *FspNVStorageHob = 0; + *DataSize = 0; + } else { + *FspNVStorageHob = GET_GUID_HOB_DATA (GuidHob); + GuidHobHdr = (EFI_HOB_GENERIC_HEADER *)GuidHob; + *DataSize = GET_GUID_HOB_DATA_SIZE (GuidHobHdr); + } +} + +void +GetTempRamStack ( + VOID **TempRamStackPtr, + uint16_t *DataSize + ) +{ + + EFI_GUID FspBootloaderTemporaryMemoryHobGuid = FSP_BOOTLOADER_TEMPORARY_MEMORY_HOB_GUID; + uint8_t *GuidHob; + EFI_HOB_GENERIC_HEADER *GuidHobHdr; + + GuidHob = GetFirstGuidHob(&FspBootloaderTemporaryMemoryHobGuid); + if (!GuidHob) { + *TempRamStackPtr = 0; + *DataSize = 0; + } else { + *TempRamStackPtr = GET_GUID_HOB_DATA (GuidHob); + GuidHobHdr = (EFI_HOB_GENERIC_HEADER *)GuidHob; + *DataSize = GET_GUID_HOB_DATA_SIZE (GuidHobHdr); + } +} + |