diff options
| -rw-r--r-- | src/soc/amd/common/block/psp/psp_def.h | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/src/soc/amd/common/block/psp/psp_def.h b/src/soc/amd/common/block/psp/psp_def.h index c2b2fca8d8..03fd35228a 100644 --- a/src/soc/amd/common/block/psp/psp_def.h +++ b/src/soc/amd/common/block/psp/psp_def.h @@ -48,12 +48,11 @@ struct mbox_buffer_header { } __packed; /* - * command-specific buffer definitions: see NDA document #54267 - * The following commands need a buffer definition if they are to be used. - * All other commands will work with the default buffer. - * MBOX_BIOS_CMD_SMM_INFO MBOX_BIOS_CMD_PSP_QUERY - * MBOX_BIOS_CMD_SX_INFO MBOX_BIOS_CMD_S3_DATA_INFO - * MBOX_BIOS_CMD_RSM_INFO + * x86 to PSP mailbox commands that don't take any parameter or return any data, use the + * mbox_default_buffer, while x86 to PSP commands that either pass data to the PSP or get data + * returned from the PSP use command-specific buffer definitions. For details on the specific + * buffer definitions for the various commands, see NDA document #54267 for the generations + * before family 17h and NDA document #55758 for the generations from family 17h on. */ struct mbox_default_buffer { /* command-response buffer unused by command */ @@ -73,16 +72,19 @@ struct smm_req_buffer { uint64_t psp_mbox_smm_flag_address; } __packed; +/* MBOX_BIOS_CMD_SMM_INFO */ struct mbox_cmd_smm_info_buffer { struct mbox_buffer_header header; struct smm_req_buffer req; } __packed __aligned(32); +/* MBOX_BIOS_CMD_SX_INFO */ struct mbox_cmd_sx_info_buffer { struct mbox_buffer_header header; u8 sleep_type; } __packed __aligned(32); +/* MBOX_BIOS_CMD_SET_SPL_FUSE */ struct mbox_cmd_late_spl_buffer { struct mbox_buffer_header header; uint32_t spl_value; @@ -99,6 +101,7 @@ enum dtpm_request_type { DTPM_REQUEST_MAX, }; +/* MBOX_BIOS_CMD_I2C_TPM_ARBITRATION */ struct mbox_cmd_dtpm_config_buffer { struct mbox_buffer_header header; uint32_t request_type; |