/*
* 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 "gp10b.h"
#include <nvgpu/hw/gp10b/hw_fuse_gp10b.h>
#include <nvgpu/hw/gp10b/hw_gr_gp10b.h>
static u64 gp10b_detect_ecc_enabled_units(struct gk20a *g)
{
u64 ecc_enabled_units = 0;
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)
ecc_enabled_units = NVGPU_GPU_FLAGS_ALL_ECC_ENABLED;
else
ecc_enabled_units = 0;
} 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)) {
ecc_enabled_units |=
NVGPU_GPU_FLAGS_ECC_ENABLED_SM_LRF;
}
} else {
if (opt_ecc_en) {
ecc_enabled_units |=
NVGPU_GPU_FLAGS_ECC_ENABLED_SM_LRF;
}
}
/* 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)) {
ecc_enabled_units |=
NVGPU_GPU_FLAGS_ECC_ENABLED_SM_SHM;
}
} else {
if (opt_ecc_en) {
ecc_enabled_units |=
NVGPU_GPU_FLAGS_ECC_ENABLED_SM_SHM;
}
}
/* 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)) {
ecc_enabled_units |=
NVGPU_GPU_FLAGS_ECC_ENABLED_TEX;
}
} else {
if (opt_ecc_en) {
ecc_enabled_units |=
NVGPU_GPU_FLAGS_ECC_ENABLED_TEX;
}
}
/* 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)) {
ecc_enabled_units |=
NVGPU_GPU_FLAGS_ECC_ENABLED_LTC;
}
} else {
if (opt_ecc_en) {
ecc_enabled_units |=
NVGPU_GPU_FLAGS_ECC_ENABLED_LTC;
}
}
}
return ecc_enabled_units;
}
int gp10b_init_gpu_characteristics(struct gk20a *g)
{
gk20a_init_gpu_characteristics(g);
g->gpu_characteristics.flags |= gp10b_detect_ecc_enabled_units(g);
g->gpu_characteristics.flags |=
NVGPU_GPU_FLAGS_SUPPORT_RESCHEDULE_RUNLIST;
return 0;
}
