1 files changed, 22 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gr_gk20a.h b/drivers/gpu/nvgpu/gk20a/gr_gk20a.h
index e09cfbfa..7db6bccf 100644
--- a/drivers/gpu/nvgpu/gk20a/gr_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gr_gk20a.h
@@ -295,11 +295,28 @@ struct gk20a_ctxsw_ucode_segment {
 struct gk20a_ctxsw_ucode_segments {
         u32 boot_entry;
         u32 boot_imem_offset;
+        u32 boot_signature;
         struct gk20a_ctxsw_ucode_segment boot;
         struct gk20a_ctxsw_ucode_segment code;
         struct gk20a_ctxsw_ucode_segment data;
 };
 
+/* sums over the ucode files as sequences of u32, computed to the
+ * boot_signature field in the structure above */
+
+#define FALCON_UCODE_SIG_T12X_FECS_WITH_RESERVED        0x8a621f78
+#define FALCON_UCODE_SIG_T12X_FECS_WITHOUT_RESERVED     0x67e5344b
+#define FALCON_UCODE_SIG_T12X_FECS_OLDER                0x56da09f
+
+#define FALCON_UCODE_SIG_T12X_GPCCS_WITH_RESERVED       0x303465d5
+#define FALCON_UCODE_SIG_T12X_GPCCS_WITHOUT_RESERVED    0x3fdd33d3
+#define FALCON_UCODE_SIG_T12X_GPCCS_OLDER               0x53d7877
+
+#define FALCON_UCODE_SIG_T21X_FECS_WITHOUT_RESERVED     0x93671b7d
+#define FALCON_UCODE_SIG_T21X_FECS_WITHOUT_RESERVED2    0x4d6cbc10
+
+#define FALCON_UCODE_SIG_T21X_GPCCS_WITHOUT_RESERVED    0x393161da
+
 struct gk20a_ctxsw_ucode_info {
         u64 *p_va;
         struct inst_desc inst_blk_desc;
@@ -422,6 +439,11 @@ int gr_gk20a_setup_rop_mapping(struct gk20a *g, struct gr_gk20a *gr);
 int gr_gk20a_init_ctxsw_ucode(struct gk20a *g);
 int gr_gk20a_load_ctxsw_ucode(struct gk20a *g);
 void gr_gk20a_load_falcon_bind_instblk(struct gk20a *g);
+void gr_gk20a_load_ctxsw_ucode_header(struct gk20a *g, u64 addr_base,
+        struct gk20a_ctxsw_ucode_segments *segments, u32 reg_offset);
+void gr_gk20a_load_ctxsw_ucode_boot(struct gk20a *g, u64 addr_base,
+        struct gk20a_ctxsw_ucode_segments *segments, u32 reg_offset);
+
 
 void gr_gk20a_free_tsg_gr_ctx(struct tsg_gk20a *c);
 #endif /* GR_GK20A_H */