PSP runtime database is used to share various
boot up information with driver.
Signed-off-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
Reviewed-by: John Clements <john.clements@xxxxxxx>
Reviewed-by: Lijo Lazar <lijo.lazar@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h | 54 +++++++++++++++++++++++++
1 file changed, 54 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
index 46a5328e00e0..4dad9b539f06 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
@@ -226,6 +226,60 @@ 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;
--
2.17.1
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