gpu: nvgpu: add GSP falcon support

- Defined FALCON_ID_GSPLITE for GSP falcon.
- Created variable gsp_flcn of struct nvgpu_falcon
  for GSP falcon & registered to falcon module to access
  falcon functions.
- Created HAL file gsp_gv100.c/h for GSP.
- Modified Makefile & Makefile.sources files to include
  gsp_gv100 HAL file.
- Enabled GSP falcon support for GV100 by registering
  to common falcon module.
- Defined function gv100_gsp_reset() & assigned to
  falcon reset as GSP engine reset.
- Updated falcon HAL init code not to return error
  if requested falcon is not supported, instead log
  the info and return non-error.

JIRA NVGPU-1160

Change-Id: Ice032cf443ae87254375265628b3c022f41544cd
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1804551
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

2 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/falcon.h b/drivers/gpu/nvgpu/include/nvgpu/falcon.h
index 55dca035..4541f228 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/falcon.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/falcon.h
@@ -30,6 +30,7 @@
  * Falcon Id Defines
  */
 #define FALCON_ID_PMU       (0U)
+#define FALCON_ID_GSPLITE   (1U)
 #define FALCON_ID_FECS      (2U)
 #define FALCON_ID_GPCCS     (3U)
 #define FALCON_ID_NVDEC     (4U)
diff --git a/drivers/gpu/nvgpu/include/nvgpu/gk20a.h b/drivers/gpu/nvgpu/include/nvgpu/gk20a.h
index ad77f802..43bc58f7 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/gk20a.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/gk20a.h
@@ -1428,6 +1428,7 @@ struct gk20a {
         struct nvgpu_falcon gpccs_flcn;
         struct nvgpu_falcon nvdec_flcn;
         struct nvgpu_falcon minion_flcn;
+        struct nvgpu_falcon gsp_flcn;
         struct clk_gk20a clk;
         struct fifo_gk20a fifo;
         struct nvgpu_nvlink_dev nvlink;