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/*
* Copyright 2013 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
*/
#include "priv.h"
static int
nv20_ram_create(struct nvkm_object *parent, struct nvkm_object *engine,
struct nvkm_oclass *oclass, void *data, u32 size,
struct nvkm_object **pobject)
{
struct nvkm_fb *fb = nvkm_fb(parent);
struct nvkm_ram *ram;
u32 pbus1218 = nv_rd32(fb, 0x001218);
int ret;
ret = nvkm_ram_create(parent, engine, oclass, &ram);
*pobject = nv_object(ram);
if (ret)
return ret;
switch (pbus1218 & 0x00000300) {
case 0x00000000: ram->type = NV_MEM_TYPE_SDRAM; break;
case 0x00000100: ram->type = NV_MEM_TYPE_DDR1; break;
case 0x00000200: ram->type = NV_MEM_TYPE_GDDR3; break;
case 0x00000300: ram->type = NV_MEM_TYPE_GDDR2; break;
}
ram->size = (nv_rd32(fb, 0x10020c) & 0xff000000);
ram->parts = (nv_rd32(fb, 0x100200) & 0x00000003) + 1;
ram->tags = nv_rd32(fb, 0x100320);
return 0;
}
struct nvkm_oclass
nv20_ram_oclass = {
.handle = 0,
.ofuncs = &(struct nvkm_ofuncs) {
.ctor = nv20_ram_create,
.dtor = _nvkm_ram_dtor,
.init = _nvkm_ram_init,
.fini = _nvkm_ram_fini,
}
};
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