gpu: nvgpu: falcon status dump support

- Added support to dump flacon controller status
- Method to print recent PC history to know call trace
- Method to dump IMBLK info
- Updated falcon hw header files to include
registers of PC trace & IMBLK

JIRA NVGPU-105

Change-Id: Id4aaafd87113d47e552afb21b87f8b087d36004e
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1515371
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>

4 files changed, 132 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/hw/gk20a/hw_falcon_gk20a.h b/drivers/gpu/nvgpu/include/nvgpu/hw/gk20a/hw_falcon_gk20a.h
index 8acc61ec..a948bf58 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/hw/gk20a/hw_falcon_gk20a.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/hw/gk20a/hw_falcon_gk20a.h
@@ -412,6 +412,30 @@ static inline u32 falcon_falcon_dmatrffboffs_r(void)
 {
         return 0x0000011c;
 }
+static inline u32 falcon_falcon_imstat_r(void)
+{
+        return 0x00000144;
+}
+static inline u32 falcon_falcon_traceidx_r(void)
+{
+        return 0x00000148;
+}
+static inline u32 falcon_falcon_traceidx_maxidx_v(u32 r)
+{
+        return (r >> 16) & 0xff;
+}
+static inline u32 falcon_falcon_traceidx_idx_v(u32 r)
+{
+        return (r >> 0) & 0xff;
+}
+static inline u32 falcon_falcon_tracepc_r(void)
+{
+        return 0x0000014c;
+}
+static inline u32 falcon_falcon_tracepc_pc_v(u32 r)
+{
+        return (r >> 0) & 0xffffff;
+}
 static inline u32 falcon_falcon_exterraddr_r(void)
 {
         return 0x00000168;
diff --git a/drivers/gpu/nvgpu/include/nvgpu/hw/gm20b/hw_falcon_gm20b.h b/drivers/gpu/nvgpu/include/nvgpu/hw/gm20b/hw_falcon_gm20b.h
index 6be11429..851fb62a 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/hw/gm20b/hw_falcon_gm20b.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/hw/gm20b/hw_falcon_gm20b.h
@@ -440,6 +440,42 @@ static inline u32 falcon_falcon_dmatrffboffs_r(void)
 {
         return 0x0000011c;
 }
+static inline u32 falcon_falcon_imctl_debug_r(void)
+{
+        return 0x0000015c;
+}
+static inline u32 falcon_falcon_imctl_debug_addr_blk_f(u32 v)
+{
+        return (v & 0xffffff) << 0;
+}
+static inline u32 falcon_falcon_imctl_debug_cmd_f(u32 v)
+{
+        return (v & 0x7) << 24;
+}
+static inline u32 falcon_falcon_imstat_r(void)
+{
+        return 0x00000144;
+}
+static inline u32 falcon_falcon_traceidx_r(void)
+{
+        return 0x00000148;
+}
+static inline u32 falcon_falcon_traceidx_maxidx_v(u32 r)
+{
+        return (r >> 16) & 0xff;
+}
+static inline u32 falcon_falcon_traceidx_idx_f(u32 v)
+{
+        return (v & 0xff) << 0;
+}
+static inline u32 falcon_falcon_tracepc_r(void)
+{
+        return 0x0000014c;
+}
+static inline u32 falcon_falcon_tracepc_pc_v(u32 r)
+{
+        return (r >> 0) & 0xffffff;
+}
 static inline u32 falcon_falcon_exterraddr_r(void)
 {
         return 0x00000168;
diff --git a/drivers/gpu/nvgpu/include/nvgpu/hw/gp106/hw_falcon_gp106.h b/drivers/gpu/nvgpu/include/nvgpu/hw/gp106/hw_falcon_gp106.h
index c744bcec..4f99f2cb 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/hw/gp106/hw_falcon_gp106.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/hw/gp106/hw_falcon_gp106.h
@@ -444,6 +444,42 @@ static inline u32 falcon_falcon_dmatrffboffs_r(void)
 {
         return 0x0000011c;
 }
+static inline u32 falcon_falcon_imctl_debug_r(void)
+{
+        return 0x0000015c;
+}
+static inline u32 falcon_falcon_imctl_debug_addr_blk_f(u32 v)
+{
+        return (v & 0xffffff) << 0;
+}
+static inline u32 falcon_falcon_imctl_debug_cmd_f(u32 v)
+{
+        return (v & 0x7) << 24;
+}
+static inline u32 falcon_falcon_imstat_r(void)
+{
+        return 0x00000144;
+}
+static inline u32 falcon_falcon_traceidx_r(void)
+{
+        return 0x00000148;
+}
+static inline u32 falcon_falcon_traceidx_maxidx_v(u32 r)
+{
+        return (r >> 16) & 0xff;
+}
+static inline u32 falcon_falcon_traceidx_idx_f(u32 v)
+{
+        return (v & 0xff) << 0;
+}
+static inline u32 falcon_falcon_tracepc_r(void)
+{
+        return 0x0000014c;
+}
+static inline u32 falcon_falcon_tracepc_pc_v(u32 r)
+{
+        return (r >> 0) & 0xffffff;
+}
 static inline u32 falcon_falcon_exterraddr_r(void)
 {
         return 0x00000168;
diff --git a/drivers/gpu/nvgpu/include/nvgpu/hw/gp10b/hw_falcon_gp10b.h b/drivers/gpu/nvgpu/include/nvgpu/hw/gp10b/hw_falcon_gp10b.h
index 7f9d0b5d..67b7ad75 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/hw/gp10b/hw_falcon_gp10b.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/hw/gp10b/hw_falcon_gp10b.h
@@ -420,6 +420,42 @@ static inline u32 falcon_falcon_dmatrfmoffs_r(void)
 {
         return 0x00000114;
 }
+static inline u32 falcon_falcon_imctl_debug_r(void)
+{
+        return 0x0000015c;
+}
+static inline u32 falcon_falcon_imctl_debug_addr_blk_f(u32 v)
+{
+        return (v & 0xffffff) << 0;
+}
+static inline u32 falcon_falcon_imctl_debug_cmd_f(u32 v)
+{
+        return (v & 0x7) << 24;
+}
+static inline u32 falcon_falcon_imstat_r(void)
+{
+        return 0x00000144;
+}
+static inline u32 falcon_falcon_traceidx_r(void)
+{
+        return 0x00000148;
+}
+static inline u32 falcon_falcon_traceidx_maxidx_v(u32 r)
+{
+        return (r >> 16) & 0xff;
+}
+static inline u32 falcon_falcon_traceidx_idx_f(u32 v)
+{
+        return (v & 0xff) << 0;
+}
+static inline u32 falcon_falcon_tracepc_r(void)
+{
+        return 0x0000014c;
+}
+static inline u32 falcon_falcon_tracepc_pc_v(u32 r)
+{
+        return (r >> 0) & 0xffffff;
+}
 static inline u32 falcon_falcon_dmatrfcmd_r(void)
 {
         return 0x00000118;