gpu: nvgpu: falcon controller HAL init

- Assign base address for falcon based on falcon id.
- Init mutex for falcon
- Init ops with NULL

Change-Id: I9efee5c2b15106c7dfc6e55c996f62c7f7b85fc2
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: http://git-master/r/1468452
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>

4 files changed, 91 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/Makefile.nvgpu b/drivers/gpu/nvgpu/Makefile.nvgpu
index 5400b10d..8ed7f125 100644
--- a/drivers/gpu/nvgpu/Makefile.nvgpu
+++ b/drivers/gpu/nvgpu/Makefile.nvgpu
@@ -63,6 +63,7 @@ nvgpu-y := \
         gk20a/kind_gk20a.o \
         gk20a/mm_gk20a.o \
         gk20a/pmu_gk20a.o \
+        gk20a/flcn_gk20a.o \
         gk20a/priv_ring_gk20a.o \
         gk20a/fence_gk20a.o \
         gk20a/therm_gk20a.o \
diff --git a/drivers/gpu/nvgpu/gk20a/flcn_gk20a.c b/drivers/gpu/nvgpu/gk20a/flcn_gk20a.c
new file mode 100644
index 00000000..404718d0
--- /dev/null
+++ b/drivers/gpu/nvgpu/gk20a/flcn_gk20a.c
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2017, 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,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ */
+#include "gk20a/gk20a.h"
+
+static void gk20a_falcon_ops(struct nvgpu_falcon *flcn)
+{
+        struct nvgpu_falcon_ops *flcn_ops = &flcn->flcn_ops;
+        struct nvgpu_falcon_version_ops *flcn_vops = &flcn->flcn_vops;
+
+        flcn_ops->reset = NULL;
+        flcn_ops->enable_irq = NULL;
+        flcn_ops->fbif_transcfg = NULL;
+        flcn_ops->read_hwcfg = NULL;
+        flcn_ops->write_hwcfg = NULL;
+        flcn_ops->copy_from_dmem = NULL;
+        flcn_ops->copy_to_dmem = NULL;
+        flcn_ops->dma_copy = NULL;
+        flcn_ops->mailbox_read = NULL;
+        flcn_ops->mailbox_write = NULL;
+        flcn_ops->get_unit_status = NULL;
+        flcn_ops->dump_falcon_stats = NULL;
+
+        flcn_vops->start_cpu_secure = NULL;
+        flcn_vops->write_dmatrfbase = NULL;
+}
+
+void gk20a_falcon_hal_sw_init(struct nvgpu_falcon *flcn)
+{
+        struct gk20a *g = flcn->g;
+
+
+        switch (flcn->flcn_id) {
+        case FALCON_ID_PMU:
+                flcn->flcn_base = FALCON_PWR_BASE;
+                break;
+        case FALCON_ID_SEC2:
+                flcn->flcn_base = FALCON_SEC_BASE;
+        break;
+        case FALCON_ID_FECS:
+                flcn->flcn_base = FALCON_FECS_BASE;
+        break;
+        case FALCON_ID_GPCCS:
+                flcn->flcn_base = FALCON_GPCCS_BASE;
+        break;
+        default:
+                nvgpu_err(g, "Invalid flcn request");
+                break;
+        }
+
+        nvgpu_mutex_init(&flcn->copy_lock);
+
+        gk20a_falcon_ops(flcn);
+}
+
+void gk20a_falcon_init_hal(struct gpu_ops *gops)
+{
+        gops->falcon.falcon_hal_sw_init = gk20a_falcon_hal_sw_init;
+}
diff --git a/drivers/gpu/nvgpu/gk20a/flcn_gk20a.h b/drivers/gpu/nvgpu/gk20a/flcn_gk20a.h
new file mode 100644
index 00000000..388dba31
--- /dev/null
+++ b/drivers/gpu/nvgpu/gk20a/flcn_gk20a.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2017, 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,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ */
+#ifndef __FLCN_GK20A_H__
+#define __FLCN_GK20A_H__
+
+void gk20a_falcon_sw_init(struct nvgpu_falcon *flcn);
+void gk20a_falcon_init_hal(struct gpu_ops *gops);
+
+#endif /* __FLCN_GK20A_H__ */
diff --git a/drivers/gpu/nvgpu/gk20a/hal_gk20a.c b/drivers/gpu/nvgpu/gk20a/hal_gk20a.c
index 2ea4a0f1..3dbe856d 100644
--- a/drivers/gpu/nvgpu/gk20a/hal_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/hal_gk20a.c
@@ -3,7 +3,7 @@
  *
  * GK20A Tegra HAL interface.
  *
- * Copyright (c) 2014-2016, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2014-2017, 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,
@@ -26,6 +26,7 @@
 #include "fecs_trace_gk20a.h"
 #include "mm_gk20a.h"
 #include "mc_gk20a.h"
+#include "flcn_gk20a.h"
 #include "pmu_gk20a.h"
 #include "clk_gk20a.h"
 #include "regops_gk20a.h"
@@ -162,6 +163,7 @@ int gk20a_init_hal(struct gk20a *g)
         gk20a_init_ce2(gops);
         gk20a_init_gr_ctx(gops);
         gk20a_init_mm(gops);
+        gk20a_falcon_init_hal(gops);
         gk20a_init_pmu_ops(gops);
         gk20a_init_clk_ops(gops);
         gk20a_init_regops(gops);