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/*
* GM206 memory management
*
* Copyright (c) 2016, 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 "gm20b/mm_gm20b.h"
#include "gm206/mm_gm206.h"
#include "hw_fbpa_gm206.h"
#include "hw_top_gm206.h"
static size_t gm206_mm_get_vidmem_size(struct gk20a *g)
{
u32 fbpas = top_num_fbpas_value_v(
gk20a_readl(g, top_num_fbpas_r()));
u32 ram = fbpa_cstatus_ramamount_v(
gk20a_readl(g, fbpa_cstatus_r()));
return (size_t)fbpas * ram * SZ_1M;
}
void gm206_init_mm(struct gpu_ops *gops)
{
gm20b_init_mm(gops);
gops->mm.get_vidmem_size = gm206_mm_get_vidmem_size;
gops->mm.get_physical_addr_bits = NULL;
}
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