| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #ifndef __AMD_PSP_DEF_H__ |
| #define __AMD_PSP_DEF_H__ |
| |
| #include <types.h> |
| #include <commonlib/helpers.h> |
| #include <amdblocks/psp.h> |
| |
| /* x86 to PSP commands */ |
| #define MBOX_BIOS_CMD_SMM_INFO 0x02 |
| #define MBOX_BIOS_CMD_SX_INFO 0x03 |
| #define MBOX_BIOS_CMD_SX_INFO_SLEEP_TYPE_MAX 0x07 |
| #define MBOX_BIOS_CMD_RSM_INFO 0x04 |
| #define MBOX_BIOS_CMD_PSP_QUERY 0x05 |
| #define MBOX_BIOS_CMD_BOOT_DONE 0x06 |
| #define MBOX_BIOS_CMD_CLEAR_S3_STS 0x07 |
| #define MBOX_BIOS_CMD_S3_DATA_INFO 0x08 |
| #define MBOX_BIOS_CMD_NOP 0x09 |
| #define MBOX_BIOS_CMD_PSB_AUTO_FUSING 0x21 |
| #define MBOX_BIOS_CMD_SET_SPL_FUSE 0x2d |
| #define MBOX_BIOS_CMD_QUERY_SPL_FUSE 0x47 |
| #define MBOX_BIOS_CMD_I2C_TPM_ARBITRATION 0x64 |
| #define MBOX_BIOS_CMD_ABORT 0xfe |
| |
| /* x86 to PSP commands, v1-only */ |
| #define MBOX_BIOS_CMD_DRAM_INFO 0x01 |
| #define MBOX_BIOS_CMD_SMU_FW 0x19 |
| #define MBOX_BIOS_CMD_SMU_FW2 0x1a |
| |
| #define SMN_PSP_PUBLIC_BASE 0x3800000 |
| |
| /* command/response format, BIOS builds this in memory |
| * mbox_buffer_header: generic header |
| * mbox_buffer: command-specific buffer format |
| * |
| * AMD reference code aligns and pads all buffers to 32 bytes. |
| */ |
| struct mbox_buffer_header { |
| u32 size; /* total size of buffer */ |
| u32 status; /* command status, filled by PSP if applicable */ |
| } __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 |
| */ |
| |
| struct mbox_default_buffer { /* command-response buffer unused by command */ |
| struct mbox_buffer_header header; |
| } __attribute__((packed, aligned(32))); |
| |
| struct smm_req_buffer { |
| uint64_t smm_base; /* TSEG base */ |
| uint64_t smm_mask; /* TSEG mask */ |
| uint64_t psp_smm_data_region; /* PSP region in SMM space */ |
| uint64_t psp_smm_data_length; /* PSP region length in SMM space */ |
| struct smm_trigger_info smm_trig_info; |
| #if CONFIG(SOC_AMD_COMMON_BLOCK_PSP_GEN2) |
| struct smm_register_info smm_reg_info; |
| #endif |
| uint64_t psp_mbox_smm_buffer_address; |
| uint64_t psp_mbox_smm_flag_address; |
| } __packed; |
| |
| struct mbox_cmd_smm_info_buffer { |
| struct mbox_buffer_header header; |
| struct smm_req_buffer req; |
| } __attribute__((packed, aligned(32))); |
| |
| struct mbox_cmd_sx_info_buffer { |
| struct mbox_buffer_header header; |
| u8 sleep_type; |
| } __attribute__((packed, aligned(32))); |
| |
| struct mbox_cmd_late_spl_buffer { |
| struct mbox_buffer_header header; |
| uint32_t spl_value; |
| } __attribute__((packed, aligned(32))); |
| |
| struct dtpm_config { |
| uint32_t gpio; |
| } __packed; |
| |
| enum dtpm_request_type { |
| DTPM_REQUEST_ACQUIRE, /* Acquire I2C bus */ |
| DTPM_REQUEST_RELEASE, /* Release I2C bus */ |
| DTPM_REQUEST_CONFIG, /* Provide DTPM info */ |
| DTPM_REQUEST_MAX, |
| }; |
| |
| struct mbox_cmd_dtpm_config_buffer { |
| struct mbox_buffer_header header; |
| uint32_t request_type; |
| struct dtpm_config config; |
| } __packed __aligned(32); |
| |
| #define PSP_INIT_TIMEOUT 10000 /* 10 seconds */ |
| #define PSP_CMD_TIMEOUT 1000 /* 1 second */ |
| |
| void psp_print_cmd_status(int cmd_status, struct mbox_buffer_header *header); |
| |
| /* This command needs to be implemented by the generation specific code. */ |
| int send_psp_command(u32 command, void *buffer); |
| |
| uint32_t soc_read_c2p38(void); |
| void psp_set_spl_fuse(void *unused); |
| |
| #endif /* __AMD_PSP_DEF_H__ */ |