/* * GM20B MMU * * 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, * 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" #include "mm_gm20b.h" #include #include 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; }