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/*
* GK20A memory interface
*
* Copyright (c) 2014, 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 <linux/types.h>
#include "gk20a.h"
#include "kind_gk20a.h"
#include "hw_mc_gk20a.h"
#include "hw_fb_gk20a.h"
static void fb_gk20a_reset(struct gk20a *g)
{
u32 val;
gk20a_dbg_info("reset gk20a fb");
gk20a_reset(g, mc_enable_pfb_enabled_f()
| mc_enable_l2_enabled_f()
| mc_enable_xbar_enabled_f()
| mc_enable_hub_enabled_f());
val = gk20a_readl(g, mc_elpg_enable_r());
val |= mc_elpg_enable_xbar_enabled_f()
| mc_elpg_enable_pfb_enabled_f()
| mc_elpg_enable_hub_enabled_f();
gk20a_writel(g, mc_elpg_enable_r(), val);
}
static void gk20a_fb_set_mmu_page_size(struct gk20a *g)
{
/* set large page size in fb */
u32 fb_mmu_ctrl = gk20a_readl(g, fb_mmu_ctrl_r());
fb_mmu_ctrl = (fb_mmu_ctrl &
~fb_mmu_ctrl_vm_pg_size_f(~0x0)) |
fb_mmu_ctrl_vm_pg_size_128kb_f();
gk20a_writel(g, fb_mmu_ctrl_r(), fb_mmu_ctrl);
}
static int gk20a_fb_compression_page_size(struct gk20a *g)
{
return SZ_128K;
}
void gk20a_init_fb(struct gpu_ops *gops)
{
gops->fb.reset = fb_gk20a_reset;
gops->fb.set_mmu_page_size = gk20a_fb_set_mmu_page_size;
gops->fb.compression_page_size = gk20a_fb_compression_page_size;
gk20a_init_uncompressed_kind_map();
gk20a_init_kind_attr();
}
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