1 files changed, 78 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gm20b/therm_gm20b.c b/drivers/gpu/nvgpu/gm20b/therm_gm20b.c
new file mode 100644
index 00000000..ce4d4fab
--- /dev/null
+++ b/drivers/gpu/nvgpu/gm20b/therm_gm20b.c
@@ -0,0 +1,78 @@
+/*
+ * GM20B THERMAL
+ *
+ * Copyright (c) 2015-2017, 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 "therm_gm20b.h"
+
+#include <nvgpu/hw/gm20b/hw_therm_gm20b.h>
+
+int gm20b_init_therm_setup_hw(struct gk20a *g)
+{
+        u32 v;
+
+        gk20a_dbg_fn("");
+
+        /* program NV_THERM registers */
+        gk20a_writel(g, therm_use_a_r(), therm_use_a_ext_therm_0_enable_f() |
+                        therm_use_a_ext_therm_1_enable_f()  |
+                        therm_use_a_ext_therm_2_enable_f());
+        gk20a_writel(g, therm_evt_ext_therm_0_r(),
+                        therm_evt_ext_therm_0_slow_factor_f(0x2));
+        gk20a_writel(g, therm_evt_ext_therm_1_r(),
+                        therm_evt_ext_therm_1_slow_factor_f(0x6));
+        gk20a_writel(g, therm_evt_ext_therm_2_r(),
+                        therm_evt_ext_therm_2_slow_factor_f(0xe));
+
+        gk20a_writel(g, therm_grad_stepping_table_r(0),
+                therm_grad_stepping_table_slowdown_factor0_f(therm_grad_stepping_table_slowdown_factor0_fpdiv_by1p5_f()) |
+                therm_grad_stepping_table_slowdown_factor1_f(therm_grad_stepping_table_slowdown_factor0_fpdiv_by2_f()) |
+                therm_grad_stepping_table_slowdown_factor2_f(therm_grad_stepping_table_slowdown_factor0_fpdiv_by4_f()) |
+                therm_grad_stepping_table_slowdown_factor3_f(therm_grad_stepping_table_slowdown_factor0_fpdiv_by8_f()) |
+                therm_grad_stepping_table_slowdown_factor4_f(therm_grad_stepping_table_slowdown_factor0_fpdiv_by8_f()));
+        gk20a_writel(g, therm_grad_stepping_table_r(1),
+                therm_grad_stepping_table_slowdown_factor0_f(therm_grad_stepping_table_slowdown_factor0_fpdiv_by8_f()) |
+                therm_grad_stepping_table_slowdown_factor1_f(therm_grad_stepping_table_slowdown_factor0_fpdiv_by8_f()) |
+                therm_grad_stepping_table_slowdown_factor2_f(therm_grad_stepping_table_slowdown_factor0_fpdiv_by8_f()) |
+                therm_grad_stepping_table_slowdown_factor3_f(therm_grad_stepping_table_slowdown_factor0_fpdiv_by8_f()) |
+                therm_grad_stepping_table_slowdown_factor4_f(therm_grad_stepping_table_slowdown_factor0_fpdiv_by8_f()));
+
+        v = gk20a_readl(g, therm_clk_timing_r(0));
+        v |= therm_clk_timing_grad_slowdown_enabled_f();
+        gk20a_writel(g, therm_clk_timing_r(0), v);
+
+        v = gk20a_readl(g, therm_config2_r());
+        v |= therm_config2_grad_enable_f(1);
+        v |= therm_config2_slowdown_factor_extended_f(1);
+        gk20a_writel(g, therm_config2_r(), v);
+
+        gk20a_writel(g, therm_grad_stepping1_r(),
+                        therm_grad_stepping1_pdiv_duration_f(32));
+
+        v = gk20a_readl(g, therm_grad_stepping0_r());
+        v |= therm_grad_stepping0_feature_enable_f();
+        gk20a_writel(g, therm_grad_stepping0_r(), v);
+
+        return 0;
+}