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git://nv-tegra.nvidia.com/linux-nvgpu.git
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ab6d4fa543
sim reg accessors is common after it moved to use os abstract layer reg accessors. Bug 2999617 Signed-off-by: Richard Zhao <rizhao@nvidia.com> Change-Id: I1c0ff7ca1724cde09dd845c077763709ea2ef915 Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2517383 Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
83 lines
2.1 KiB
C
83 lines
2.1 KiB
C
/*
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* Copyright (c) 2018-2021, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <linux/io.h>
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#include <linux/highmem.h>
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#include <linux/platform_device.h>
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#include <nvgpu/log.h>
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#include <nvgpu/linux/vm.h>
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#include <nvgpu/bitops.h>
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#include <nvgpu/nvgpu_mem.h>
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#include <nvgpu/dma.h>
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#include <nvgpu/soc.h>
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#include <nvgpu/hw_sim.h>
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#include <nvgpu/sim.h>
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#include <nvgpu/gk20a.h>
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#include "platform_gk20a.h"
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#include "os_linux.h"
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#include "module.h"
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void nvgpu_remove_sim_support_linux(struct gk20a *g)
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{
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struct sim_nvgpu_linux *sim_linux;
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if (!g->sim)
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return;
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sim_linux = container_of(g->sim, struct sim_nvgpu_linux, sim);
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if (g->sim->regs) {
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sim_writel(g->sim, sim_config_r(), sim_config_mode_disabled_v());
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iounmap((void __iomem *)g->sim->regs);
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g->sim->regs = 0U;
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}
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nvgpu_kfree(g, sim_linux);
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g->sim = NULL;
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}
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int nvgpu_init_sim_support_linux(struct gk20a *g,
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struct platform_device *dev)
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{
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struct sim_nvgpu_linux *sim_linux;
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void __iomem *addr;
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int err = -ENOMEM;
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if (!nvgpu_platform_is_simulation(g))
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return 0;
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sim_linux = nvgpu_kzalloc(g, sizeof(*sim_linux));
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if (!sim_linux)
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return err;
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g->sim = &sim_linux->sim;
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g->sim->g = g;
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addr = nvgpu_devm_ioremap_resource(dev,
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GK20A_SIM_IORESOURCE_MEM,
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NULL);
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if (IS_ERR(addr)) {
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nvgpu_err(g, "failed to remap gk20a sim regs");
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err = PTR_ERR(addr);
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goto fail;
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}
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g->sim->regs = (uintptr_t)addr;
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sim_linux->remove_support_linux = nvgpu_remove_sim_support_linux;
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return 0;
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fail:
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nvgpu_remove_sim_support_linux(g);
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return err;
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}
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