gpu: nvgpu: Determine ECC-enabled units for GP10B

Determine ECC-enabled units for GP10B by reading fuses/registers.

Bug 1637486

Change-Id: I6431709e3c405d6156dd96438df14d4054b48644
Signed-off-by: Sami Kiminki <skiminki@nvidia.com>
Signed-off-by: Adeel Raza <araza@nvidia.com>
Reviewed-on: http://git-master/r/780992
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1120463
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 9 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gp10b/hw_fuse_gp10b.h b/drivers/gpu/nvgpu/gp10b/hw_fuse_gp10b.h
index b6b68718..ae524ce5 100644
--- a/drivers/gpu/nvgpu/gp10b/hw_fuse_gp10b.h
+++ b/drivers/gpu/nvgpu/gp10b/hw_fuse_gp10b.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014-2015, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2014-2016, NVIDIA CORPORATION.  All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms and conditions of the GNU General Public License,
@@ -126,4 +126,12 @@ static inline u32 fuse_status_opt_fbp_idx_v(u32 r, u32 i)
 {
         return (r >> (0 + i*0)) & 0x1;
 }
+static inline u32 fuse_opt_ecc_en_r(void)
+{
+        return 0x00021228;
+}
+static inline u32 fuse_opt_feature_fuses_override_disable_r(void)
+{
+        return 0x000213f0;
+}
 #endif