diff options
Diffstat (limited to 'src/soc/amd/common/block/psp/psp_def.h')
| -rw-r--r-- | src/soc/amd/common/block/psp/psp_def.h | 36 |
1 files changed, 29 insertions, 7 deletions
diff --git a/src/soc/amd/common/block/psp/psp_def.h b/src/soc/amd/common/block/psp/psp_def.h index 4b3ca6a352..37755166f0 100644 --- a/src/soc/amd/common/block/psp/psp_def.h +++ b/src/soc/amd/common/block/psp/psp_def.h @@ -5,6 +5,7 @@ #define __AMD_PSP_DEF_H__ #include <types.h> +#include <commonlib/helpers.h> /* x86 to PSP commands */ #define MBOX_BIOS_CMD_DRAM_INFO 0x01 @@ -20,24 +21,42 @@ #define MBOX_BIOS_CMD_SMU_FW2 0x1a #define MBOX_BIOS_CMD_ABORT 0xfe -/* generic PSP interface status */ -#define STATUS_INITIALIZED 0x1 -#define STATUS_ERROR 0x2 -#define STATUS_TERMINATED 0x4 -#define STATUS_HALT 0x8 -#define STATUS_RECOVERY 0x10 +/* generic PSP interface status, v1 */ +#define PSPV1_STATUS_INITIALIZED BIT(0) +#define PSPV1_STATUS_ERROR BIT(1) +#define PSPV1_STATUS_TERMINATED BIT(2) +#define PSPV1_STATUS_HALT BIT(3) +#define PSPV1_STATUS_RECOVERY BIT(4) + +/* generic PSP interface status, v2 */ +#define PSPV2_STATUS_ERROR BIT(30) +#define PSPV2_STATUS_RECOVERY BIT(31) /* psp_mbox consists of hardware registers beginning at PSPx000070 * mbox_command: BIOS->PSP command, cleared by PSP when complete * mbox_status: BIOS->PSP interface status * cmd_response: pointer to command/response buffer */ -struct psp_mbox { +struct pspv1_mbox { u32 mbox_command; u32 mbox_status; u64 cmd_response; /* definition conflicts w/BKDG but matches agesa */ } __packed; +struct pspv2_mbox { + union { + u32 val; + struct pspv2_mbox_cmd_fields { + u16 mbox_status; + u8 mbox_command; + u32 reserved:6; + u32 recovery:1; + u32 ready:1; + } __packed fields; + }; + u64 cmd_response; +} __packed; + /* command/response format, BIOS builds this in memory * mbox_buffer_header: generic header * mbox_buffer: command-specific buffer format @@ -70,4 +89,7 @@ struct mbox_cmd_sx_info_buffer { #define PSP_INIT_TIMEOUT 10000 /* 10 seconds */ #define PSP_CMD_TIMEOUT 1000 /* 1 second */ +/* This command needs to be implemented by the generation specific code. */ +int send_psp_command(u32 command, void *buffer); + #endif /* __AMD_PSP_DEF_H__ */ |