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/*
* GM20B MMU
*
* Copyright (c) 2014-2017, 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 "mm_gm20b.h"
#include <nvgpu/hw/gm20b/hw_gmmu_gm20b.h>
#include <nvgpu/hw/gm20b/hw_ram_gm20b.h>
void gm20b_mm_set_big_page_size(struct gk20a *g,
struct nvgpu_mem *mem, int size)
{
u32 val;
gk20a_dbg_fn("");
gk20a_dbg_info("big page size %d\n", size);
val = nvgpu_mem_rd32(g, mem, ram_in_big_page_size_w());
val &= ~ram_in_big_page_size_m();
if (size == SZ_64K)
val |= ram_in_big_page_size_64kb_f();
else
val |= ram_in_big_page_size_128kb_f();
nvgpu_mem_wr32(g, mem, ram_in_big_page_size_w(), val);
gk20a_dbg_fn("done");
}
u32 gm20b_mm_get_big_page_sizes(void)
{
return SZ_64K | SZ_128K;
}
u32 gm20b_mm_get_default_big_page_size(void)
{
return SZ_128K;
}
bool gm20b_mm_support_sparse(struct gk20a *g)
{
return true;
}
bool gm20b_mm_is_bar1_supported(struct gk20a *g)
{
return true;
}
u64 gm20b_gpu_phys_addr(struct gk20a *g,
struct nvgpu_gmmu_attrs *attrs, u64 phys)
{
return phys;
}
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