Commit 990ec301 authored by Hawking Zhang's avatar Hawking Zhang Committed by Alex Deucher
Browse files

drm/amdgpu: add psp runtime db structures 



PSP runtime database is used to share various
boot up information with driver.

Signed-off-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: default avatarJohn Clements <john.clements@amd.com>
Reviewed-by: default avatarLijo Lazar <lijo.lazar@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 6246a416

drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h

+54 −0
Original line number Diff line number Diff line
@@ -227,6 +227,60 @@ struct psp_memory_training_context { 
	u32 training_cnt;

};



/** PSP runtime DB **/

#define PSP_RUNTIME_DB_SIZE_IN_BYTES		0x10000

#define PSP_RUNTIME_DB_OFFSET			0x100000

#define PSP_RUNTIME_DB_COOKIE_ID		0x0ed5

#define PSP_RUNTIME_DB_VER_1			0x0100

#define PSP_RUNTIME_DB_DIAG_ENTRY_MAX_COUNT	0x40



enum psp_runtime_entry_type {

	PSP_RUNTIME_ENTRY_TYPE_INVALID		= 0x0,

	PSP_RUNTIME_ENTRY_TYPE_TEST		= 0x1,

	PSP_RUNTIME_ENTRY_TYPE_MGPU_COMMON	= 0x2,  /* Common mGPU runtime data */

	PSP_RUNTIME_ENTRY_TYPE_MGPU_WAFL	= 0x3,  /* WAFL runtime data */

	PSP_RUNTIME_ENTRY_TYPE_MGPU_XGMI	= 0x4,  /* XGMI runtime data */

	PSP_RUNTIME_ENTRY_TYPE_BOOT_CONFIG	= 0x5,  /* Boot Config runtime data */

};



/* PSP runtime DB header */

struct psp_runtime_data_header {

	/* determine the existence of runtime db */

	uint16_t cookie;

	/* version of runtime db */

	uint16_t version;

};



/* PSP runtime DB entry */

struct psp_runtime_entry {

	/* type of runtime db entry */

	uint32_t entry_type;

	/* offset of entry in bytes */

	uint16_t offset;

	/* size of entry in bytes */

	uint16_t size;

};



/* PSP runtime DB directory */

struct psp_runtime_data_directory {

	/* number of valid entries */

	uint16_t			entry_count;

	/* db entries*/

	struct psp_runtime_entry	entry_list[PSP_RUNTIME_DB_DIAG_ENTRY_MAX_COUNT];

};



/* PSP runtime DB boot config feature bitmask */

enum psp_runtime_boot_cfg_feature {

	BOOT_CFG_FEATURE_GECC                       = 0x1,

	BOOT_CFG_FEATURE_TWO_STAGE_DRAM_TRAINING    = 0x2,

};



/* PSP runtime DB boot config entry */

struct psp_runtime_boot_cfg_entry {

	uint32_t boot_cfg_bitmask;

	uint32_t reserved;

};



struct psp_context

{

	struct amdgpu_device            *adev;