1 files changed, 120 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gp10b/gp10b.c b/drivers/gpu/nvgpu/gp10b/gp10b.c
new file mode 100644
index 00000000..51dc4301
--- /dev/null
+++ b/drivers/gpu/nvgpu/gp10b/gp10b.c
@@ -0,0 +1,120 @@
+/*
+ * GP10B Graphics
+ *
+ * Copyright (c) 2016-2017, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include "gk20a/gk20a.h"
+
+#include <nvgpu/enabled.h>
+
+#include "gp10b.h"
+
+#include <nvgpu/hw/gp10b/hw_fuse_gp10b.h>
+#include <nvgpu/hw/gp10b/hw_gr_gp10b.h>
+
+static void gp10b_detect_ecc_enabled_units(struct gk20a *g)
+{
+        u32 opt_ecc_en = gk20a_readl(g, fuse_opt_ecc_en_r());
+        u32 opt_feature_fuses_override_disable =
+                        gk20a_readl(g,
+                                fuse_opt_feature_fuses_override_disable_r());
+        u32 fecs_feature_override_ecc =
+                                gk20a_readl(g,
+                                        gr_fecs_feature_override_ecc_r());
+
+        if (opt_feature_fuses_override_disable) {
+                if (opt_ecc_en) {
+                        __nvgpu_set_enabled(g, NVGPU_ECC_ENABLED_SM_LRF, true);
+                        __nvgpu_set_enabled(g, NVGPU_ECC_ENABLED_SM_SHM, true);
+                        __nvgpu_set_enabled(g, NVGPU_ECC_ENABLED_TEX, true);
+                        __nvgpu_set_enabled(g, NVGPU_ECC_ENABLED_LTC, true);
+                }
+        } else {
+                /* SM LRF */
+                if (gr_fecs_feature_override_ecc_sm_lrf_override_v(
+                                                fecs_feature_override_ecc)) {
+                        if (gr_fecs_feature_override_ecc_sm_lrf_v(
+                                                fecs_feature_override_ecc)) {
+                                __nvgpu_set_enabled(g,
+                                                NVGPU_ECC_ENABLED_SM_LRF, true);
+                        }
+                } else {
+                        if (opt_ecc_en) {
+                                __nvgpu_set_enabled(g,
+                                                NVGPU_ECC_ENABLED_SM_LRF, true);
+                        }
+                }
+
+                /* SM SHM */
+                if (gr_fecs_feature_override_ecc_sm_shm_override_v(
+                                                fecs_feature_override_ecc)) {
+                        if (gr_fecs_feature_override_ecc_sm_shm_v(
+                                                fecs_feature_override_ecc)) {
+                                __nvgpu_set_enabled(g,
+                                                NVGPU_ECC_ENABLED_SM_SHM, true);
+                        }
+                } else {
+                        if (opt_ecc_en) {
+                                __nvgpu_set_enabled(g,
+                                                NVGPU_ECC_ENABLED_SM_SHM, true);
+                        }
+                }
+
+                /* TEX */
+                if (gr_fecs_feature_override_ecc_tex_override_v(
+                                                fecs_feature_override_ecc)) {
+                        if (gr_fecs_feature_override_ecc_tex_v(
+                                                fecs_feature_override_ecc)) {
+                                __nvgpu_set_enabled(g,
+                                                NVGPU_ECC_ENABLED_TEX, true);
+                        }
+                } else {
+                        if (opt_ecc_en) {
+                                __nvgpu_set_enabled(g,
+                                                NVGPU_ECC_ENABLED_TEX, true);
+                        }
+                }
+
+                /* LTC */
+                if (gr_fecs_feature_override_ecc_ltc_override_v(
+                                                fecs_feature_override_ecc)) {
+                        if (gr_fecs_feature_override_ecc_ltc_v(
+                                                fecs_feature_override_ecc)) {
+                                __nvgpu_set_enabled(g,
+                                                NVGPU_ECC_ENABLED_LTC, true);
+                        }
+                } else {
+                        if (opt_ecc_en) {
+                                __nvgpu_set_enabled(g,
+                                                NVGPU_ECC_ENABLED_LTC, true);
+                        }
+                }
+        }
+}
+
+int gp10b_init_gpu_characteristics(struct gk20a *g)
+{
+        gk20a_init_gpu_characteristics(g);
+        gp10b_detect_ecc_enabled_units(g);
+        __nvgpu_set_enabled(g, NVGPU_SUPPORT_RESCHEDULE_RUNLIST, true);
+        return 0;
+}