/* * Copyright 2012 Red Hat Inc. * * 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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. * * Authors: Ben Skeggs
*/ #define nv40_instmem(p) container_of((p), struct nv40_instmem, base) #include"priv.h"
/* PRAMIN aperture maps over the end of vram, reserve enough space * to fit graphics contexts for every channel, the magics come * from engine/gr/nv40.c
*/
vs = hweight8((nvkm_rd32(device, 0x001540) & 0x0000ff00) >> 8); if (device->chipset == 0x40) imem->base.reserved = 0x6aa0 * vs; elseif (device->chipset < 0x43) imem->base.reserved = 0x4f00 * vs; elseif (nv44_gr_class(device)) imem->base.reserved = 0x4980 * vs; else imem->base.reserved = 0x4a40 * vs;
imem->base.reserved += 16 * 1024;
imem->base.reserved *= 32; /* per-channel */
imem->base.reserved += 512 * 1024; /* pci(e)gart table */
imem->base.reserved += 512 * 1024; /* object storage */
imem->base.reserved = round_up(imem->base.reserved, 4096);
ret = nvkm_mm_init(&imem->heap, 0, 0, imem->base.reserved, 1); if (ret) return ret;
/* 0x00000-0x10000: reserve for probable vbios image */
ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 0x10000, 0, false,
&imem->base.vbios); if (ret) return ret;
/* 0x10000-0x18000: reserve for RAMHT */
ret = nvkm_ramht_new(device, 0x08000, 0, NULL, &imem->base.ramht); if (ret) return ret;
/* 0x18000-0x18200: reserve for RAMRO * 0x18200-0x20000: padding
*/
ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 0x08000, 0, false,
&imem->base.ramro); if (ret) return ret;
/* 0x20000-0x21000: reserve for RAMFC * 0x21000-0x40000: padding and some unknown crap
*/
ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 0x20000, 0, true,
&imem->base.ramfc); if (ret) return ret;
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