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Diffstat (limited to 'Documentation/soc/amd/psp_integration.md')
| -rwxr-xr-x | Documentation/soc/amd/psp_integration.md | 265 |
1 files changed, 136 insertions, 129 deletions
diff --git a/Documentation/soc/amd/psp_integration.md b/Documentation/soc/amd/psp_integration.md index 5f53a39f05..9c7b1be404 100755 --- a/Documentation/soc/amd/psp_integration.md +++ b/Documentation/soc/amd/psp_integration.md @@ -37,38 +37,40 @@ any of the eligible locations. Below are typical definitions within the structure (for all families combined). Individual features supported vary by family and model. - +--------------+---------------+------------------+----------------------------+ - | Field Name | Offset (Hex) | Size (In Bytes) | Description/Purpose | - +--------------+---------------+------------------+----------------------------+ - | Signature | 0x00 | 4 | 0x55aa55aa | - |--------------|---------------|------------------|----------------------------| - | IMC FW | 0x04 | 4 | Integrated Micro | - | | | | Controller: unsupported | - | | | | but functional in some | - | | | | systems | - |--------------|---------------|------------------|----------------------------| - | GbE FW | 0x08 | 4 | Gigabit Ethernet | - |--------------|---------------|------------------|----------------------------| - | xHCI FW | 0x0c | 4 | xHCI firmware | - |--------------|---------------|------------------|----------------------------| - | PSP Dir Tbl | 0x10 | 4 | Pointer to PSP Directory | - | | | | Table (early devices) | - |--------------|---------------|------------------|----------------------------| - | PSP Dir Tbl | 0x14 | 4 | Pointer to PSP Directory | - | | | | Table (later devices and | - | | | | is combo capable) | - |--------------|---------------|------------------|----------------------------| - | BIOS Dir Tbl | 0x18 | 4 | Pointer to BIOS Directory | - | | | | Table for models n* | - |--------------|---------------|------------------|----------------------------| - | BIOS Dir Tbl | 0x1c | 4 | Pointer to BIOS Directory | - | | | | Table for models nn | - |--------------|---------------|------------------|----------------------------| - | BIOS Dir Tbl | 0x20 | 4 | Pointer to BIOS Directory | - | | | | Table for models nnn | - |--------------|---------------|------------------|----------------------------| - | … | | | ... | - +--------------+---------------+------------------+----------------------------+ +```eval_rst ++--------------+---------------+------------------+----------------------------+ +| Field Name | Offset (Hex) | Size (In Bytes) | Description/Purpose | ++==============+===============+==================+============================+ +| Signature | 0x00 | 4 | 0x55aa55aa | ++--------------+---------------+------------------+----------------------------+ +| IMC FW | 0x04 | 4 | Integrated Micro | +| | | | Controller: unsupported | +| | | | but functional in some | +| | | | systems | ++--------------+---------------+------------------+----------------------------+ +| GbE FW | 0x08 | 4 | Gigabit Ethernet | ++--------------+---------------+------------------+----------------------------+ +| xHCI FW | 0x0c | 4 | xHCI firmware | ++--------------+---------------+------------------+----------------------------+ +| PSP Dir Tbl | 0x10 | 4 | Pointer to PSP Directory | +| | | | Table (early devices) | ++--------------+---------------+------------------+----------------------------+ +| PSP Dir Tbl | 0x14 | 4 | Pointer to PSP Directory | +| | | | Table (later devices and | +| | | | is combo capable) | ++--------------+---------------+------------------+----------------------------+ +| BIOS Dir Tbl | 0x18 | 4 | Pointer to BIOS Directory | +| | | | Table for models n* | ++--------------+---------------+------------------+----------------------------+ +| BIOS Dir Tbl | 0x1c | 4 | Pointer to BIOS Directory | +| | | | Table for models nn | ++--------------+---------------+------------------+----------------------------+ +| BIOS Dir Tbl | 0x20 | 4 | Pointer to BIOS Directory | +| | | | Table for models nnn | ++--------------+---------------+------------------+----------------------------+ +| … | | | ... | ++--------------+---------------+------------------+----------------------------+ +``` * The Embedded Firmware Structure may support pointers to multiple generations of devices, e.g. Family 17h Models 00h-0Fh, Family 17h Models 10h-1Fh, etc. @@ -83,46 +85,47 @@ allowing secondary tables to be referenced by device ID. No coreboot implementations currently use combo tables. ### PSP Directory Table Header - - +--------------+---------------+------------------+----------------------------+ - | Field Name | Offset (Hex) | Size (In Bytes) | Description/Purpose | - +--------------+---------------+------------------+----------------------------+ - | PSP Cookie | 0x00 | 4 | PSP cookie "$PSP" to | - | | | | recognize the header. | - | | | | Cookie “$PL2” for level 2 | - |--------------|---------------|------------------|----------------------------| - | Checksum | 0x04 | 4 | 32-bit CRC value of header | - | | | | below this field and | - | | | | including all entries | - |--------------|---------------|------------------|----------------------------| - | Total Entries| 0x08 | 4 | Number of PSP Directory | - | | | | entries in the table | - |--------------|---------------|------------------|----------------------------| - | Reserved | 0x0C | 4 | Reserved - Set to zero | - +--------------+---------------+------------------+----------------------------+ +```eval_rst ++--------------+---------------+------------------+----------------------------+ +| Field Name | Offset (Hex) | Size (In Bytes) | Description/Purpose | ++==============+===============+==================+============================+ +| PSP Cookie | 0x00 | 4 | PSP cookie "$PSP" to | +| | | | recognize the header. | +| | | | Cookie “$PL2” for level 2 | ++--------------+---------------+------------------+----------------------------+ +| Checksum | 0x04 | 4 | 32-bit CRC value of header | +| | | | below this field and | +| | | | including all entries | ++--------------+---------------+------------------+----------------------------+ +| Total Entries| 0x08 | 4 | Number of PSP Directory | +| | | | entries in the table | ++--------------+---------------+------------------+----------------------------+ +| Reserved | 0x0C | 4 | Reserved - Set to zero | ++--------------+---------------+------------------+----------------------------+ +``` ### PSP Directory Table Entries - - +--------------+---------------+------------------+----------------------------+ - | Field Name | Offset (Hex) | Size (In Bits) | Description/Purpose | - +--------------+---------------+------------------+----------------------------+ - | Type | 0x00 | 8 | Entry type (see below) | - |--------------|---------------|------------------|----------------------------| - | Sub Program | 0x01 | 8 | Specifies sub program | - |--------------|---------------|------------------|----------------------------| - | Reserved | 0x02 | 16 | Reserved - set to 0 | - |--------------|---------------|------------------|----------------------------| - | Size | 0x04 | 32 | Size of PSP entry in bytes | - |--------------|---------------|------------------|----------------------------| - | Location / | 0x08 | 64 | Location: Physical Address | - | Value | | | of SPIROM location where | - | | | | corresponding PSP entry | - | | | | located. | - | | | | | - | | | | Value: 64-bit value for the| - | | | | PSP Entry | - +--------------+---------------+------------------+----------------------------+ - +```eval_rst ++--------------+---------------+------------------+----------------------------+ +| Field Name | Offset (Hex) | Size (In Bits) | Description/Purpose | ++==============+===============+==================+============================+ +| Type | 0x00 | 8 | Entry type (see below) | ++--------------+---------------+------------------+----------------------------+ +| Sub Program | 0x01 | 8 | Specifies sub program | ++--------------+---------------+------------------+----------------------------+ +| Reserved | 0x02 | 16 | Reserved - set to 0 | ++--------------+---------------+------------------+----------------------------+ +| Size | 0x04 | 32 | Size of PSP entry in bytes | ++--------------+---------------+------------------+----------------------------+ +| Location / | 0x08 | 64 | Location: Physical Address | +| Value | | | of SPIROM location where | +| | | | corresponding PSP entry | +| | | | located. | +| | | | | +| | | | Value: 64-bit value for the| +| | | | PSP Entry | ++--------------+---------------+------------------+----------------------------+ +``` ### PSP Directory Table Types **0x00**: AMD public key @@ -248,68 +251,72 @@ The BIOS Directory table structure is slightly different from the PSP Directory: ### BIOS Directory Table Header - +--------------+---------------+------------------+----------------------------+ - | Field Name | Offset (Hex) | Size (In Bytes) | Description/Purpose | - +--------------+---------------+------------------+----------------------------+ - | BIOS Cookie | 0x00 | 4 | BIOS cookie "$BHD" to | - | | | | recognize the header. | - | | | | Cookie “$BL2” for level 2 | - |--------------|---------------|------------------|----------------------------| - | Checksum | 0x04 | 4 | 32 bit CRC value of header | - | | | | below this field and | - | | | | including all entries | - |--------------|---------------|------------------|----------------------------| - | Total Entries| 0x08 | 4 | Number of BIOS Directory | - | | | | entries in the table | - |--------------|---------------|------------------|----------------------------| - | Reserved | 0x0C | 4 | Reserved - Set to zero | - +--------------+---------------+------------------+----------------------------+ +```eval_rst ++--------------+---------------+------------------+----------------------------+ +| Field Name | Offset (Hex) | Size (In Bytes) | Description/Purpose | ++==============+===============+==================+============================+ +| BIOS Cookie | 0x00 | 4 | BIOS cookie "$BHD" to | +| | | | recognize the header. | +| | | | Cookie “$BL2” for level 2 | ++--------------+---------------+------------------+----------------------------+ +| Checksum | 0x04 | 4 | 32 bit CRC value of header | +| | | | below this field and | +| | | | including all entries | ++--------------+---------------+------------------+----------------------------+ +| Total Entries| 0x08 | 4 | Number of BIOS Directory | +| | | | entries in the table | ++--------------+---------------+------------------+----------------------------+ +| Reserved | 0x0C | 4 | Reserved - Set to zero | ++--------------+---------------+------------------+----------------------------+ +``` ### BIOS Directory Table Entries - +--------------+---------------+------------------+----------------------------+ - | Field Name | Offset (Hex) | Size (In Bits) | Description/Purpose | - +--------------+---------------+------------------+----------------------------+ - | Type | 0x00 | 8 | Entry type (see below) | - |--------------|---------------|------------------|----------------------------| - | Region Type | 0x01 | 8 | Setup the memory region's | - | | | | security attribute for the | - | | | | BIOS entry | - |--------------|---------------|------------------|----------------------------| - | Reset Image | 0x02[0] | 1 | Boolean value to define the| - | | | | BIOS entry is a reset | - | | | | binary image | - |--------------|---------------|------------------|----------------------------| - | Copy Image | 0x02[1] | 1 | Define the binary image of | - | | | | the BIOS entry is for | - | | | | copying over to the memory | - | | | | region | - |--------------|---------------|------------------|----------------------------| - | Read Only | 0x02[2] | 1 | Setup the memory region for| - | | | | the BIOS entry to read only| - |--------------|---------------|------------------|----------------------------| - | Compressed | 0x02[3] | 1 | Compressed using zlib | - | | | | | - |--------------|---------------|------------------|----------------------------| - | Instance | 0x02[7:4] | 4 | Specify the Instance of an | - | | | | entry | - |--------------|---------------|------------------|----------------------------| - | SubProgram | 0x03[2:0] | 3 | Specify the SubProgram | - |--------------|---------------|------------------|----------------------------| - | Reserved | 0x03[7:3] | 5 | Reserved - Set to zero | - |--------------|---------------|------------------|----------------------------| - | Size | 0x04 | 32 | Memory Region Size | - |--------------|---------------|------------------|----------------------------| - | Source | 0x08 | 64 | Physical Address of SPIROM | - | Address | | | location where the data for| - | | | | the corresponding entry is | - | | | | located | - |--------------|---------------|------------------|----------------------------| - | Destination | 0x10 | 64 | Destination Address of | - | Address | | | memory location where the | - | | | | data for the corresponding | - | | | | BIOS Entry is copied | - +--------------+---------------+------------------+----------------------------+ +```eval_rst ++--------------+---------------+------------------+----------------------------+ +| Field Name | Offset (Hex) | Size (In Bits) | Description/Purpose | ++==============+===============+==================+============================+ +| Type | 0x00 | 8 | Entry type (see below) | ++--------------+---------------+------------------+----------------------------+ +| Region Type | 0x01 | 8 | Setup the memory region's | +| | | | security attribute for the | +| | | | BIOS entry | ++--------------+---------------+------------------+----------------------------+ +| Reset Image | 0x02[0] | 1 | Boolean value to define the| +| | | | BIOS entry is a reset | +| | | | binary image | ++--------------+---------------+------------------+----------------------------+ +| Copy Image | 0x02[1] | 1 | Define the binary image of | +| | | | the BIOS entry is for | +| | | | copying over to the memory | +| | | | region | ++--------------+---------------+------------------+----------------------------+ +| Read Only | 0x02[2] | 1 | Setup the memory region for| +| | | | the BIOS entry to read only| ++--------------+---------------+------------------+----------------------------+ +| Compressed | 0x02[3] | 1 | Compressed using zlib | +| | | | | ++--------------+---------------+------------------+----------------------------+ +| Instance | 0x02[7:4] | 4 | Specify the Instance of an | +| | | | entry | ++--------------+---------------+------------------+----------------------------+ +| SubProgram | 0x03[2:0] | 3 | Specify the SubProgram | ++--------------+---------------+------------------+----------------------------+ +| Reserved | 0x03[7:3] | 5 | Reserved - Set to zero | ++--------------+---------------+------------------+----------------------------+ +| Size | 0x04 | 32 | Memory Region Size | ++--------------+---------------+------------------+----------------------------+ +| Source | 0x08 | 64 | Physical Address of SPIROM | +| Address | | | location where the data for| +| | | | the corresponding entry is | +| | | | located | ++--------------+---------------+------------------+----------------------------+ +| Destination | 0x10 | 64 | Destination Address of | +| Address | | | memory location where the | +| | | | data for the corresponding | +| | | | BIOS Entry is copied | ++--------------+---------------+------------------+----------------------------+ +``` ### BIOS Directory Table Entry Types |