gpu: nvgpu: Add Fuse prints on PMU Halt

-Print fuse values in case of PMU halt error
-and mailbox reads 0xDEADDEAD

Bug 1737044

Change-Id: Icb9677ca278bd316232e07f1d92980f6deb17125
Signed-off-by: Supriya <ssharatkumar@nvidia.com>
Reviewed-on: http://git-master/r/1120988
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gp10b/pmu_gp10b.c b/drivers/gpu/nvgpu/gp10b/pmu_gp10b.c
index 7832b2ed..f40c1b7b 100644
--- a/drivers/gpu/nvgpu/gp10b/pmu_gp10b.c
+++ b/drivers/gpu/nvgpu/gp10b/pmu_gp10b.c
@@ -22,6 +22,7 @@
 
 #include "pmu_gp10b.h"
 #include "hw_pwr_gp10b.h"
+#include "hw_fuse_gp10b.h"
 #include "gp10b_sysfs.h"
 
 #define gp10b_dbg_pmu(fmt, arg...) \
@@ -432,6 +433,17 @@ static bool gp10b_is_priv_load(u32 falcon_id)
         return enable_status;
 }
 
+/*Dump Security related fuses*/
+static void pmu_dump_security_fuses_gp10b(struct gk20a *g)
+{
+        gk20a_err(dev_from_gk20a(g), "FUSE_OPT_SEC_DEBUG_EN_0 : 0x%x",
+                        gk20a_readl(g, fuse_opt_sec_debug_en_r()));
+        gk20a_err(dev_from_gk20a(g), "FUSE_OPT_PRIV_SEC_EN_0 : 0x%x",
+                        gk20a_readl(g, fuse_opt_priv_sec_en_r()));
+        gk20a_err(dev_from_gk20a(g), "FUSE_GCPLEX_CONFIG_FUSE_0 : 0x%x",
+                        tegra_fuse_readl(FUSE_GCPLEX_CONFIG_FUSE_0));
+}
+
 void gp10b_init_pmu_ops(struct gpu_ops *gops)
 {
         if (gops->privsecurity) {
@@ -455,4 +467,5 @@ void gp10b_init_pmu_ops(struct gpu_ops *gops)
         gops->pmu.send_lrf_tex_ltc_dram_overide_en_dis_cmd =
                         send_ecc_overide_en_dis_cmd;
         gops->pmu.reset = gk20a_pmu_reset;
+        gops->pmu.dump_secure_fuses = pmu_dump_security_fuses_gp10b;
 }