1c39f472eSBen Skeggs /*
2c39f472eSBen Skeggs * Copyright 2013 Red Hat Inc.
3c39f472eSBen Skeggs *
4c39f472eSBen Skeggs * Permission is hereby granted, free of charge, to any person obtaining a
5c39f472eSBen Skeggs * copy of this software and associated documentation files (the "Software"),
6c39f472eSBen Skeggs * to deal in the Software without restriction, including without limitation
7c39f472eSBen Skeggs * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8c39f472eSBen Skeggs * and/or sell copies of the Software, and to permit persons to whom the
9c39f472eSBen Skeggs * Software is furnished to do so, subject to the following conditions:
10c39f472eSBen Skeggs *
11c39f472eSBen Skeggs * The above copyright notice and this permission notice shall be included in
12c39f472eSBen Skeggs * all copies or substantial portions of the Software.
13c39f472eSBen Skeggs *
14c39f472eSBen Skeggs * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15c39f472eSBen Skeggs * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16c39f472eSBen Skeggs * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17c39f472eSBen Skeggs * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18c39f472eSBen Skeggs * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19c39f472eSBen Skeggs * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20c39f472eSBen Skeggs * OTHER DEALINGS IN THE SOFTWARE.
21c39f472eSBen Skeggs *
22c39f472eSBen Skeggs * Authors: Ben Skeggs
23c39f472eSBen Skeggs */
24d36a99d2SBen Skeggs #include "ram.h"
25c39f472eSBen Skeggs
26d36a99d2SBen Skeggs int
nv10_ram_new(struct nvkm_fb * fb,struct nvkm_ram ** pram)27d36a99d2SBen Skeggs nv10_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
28c39f472eSBen Skeggs {
296758745bSBen Skeggs struct nvkm_device *device = fb->subdev.device;
30d36a99d2SBen Skeggs u32 size = nvkm_rd32(device, 0x10020c) & 0xff000000;
316758745bSBen Skeggs u32 cfg0 = nvkm_rd32(device, 0x100200);
32d36a99d2SBen Skeggs enum nvkm_ram_type type;
33c39f472eSBen Skeggs
34c39f472eSBen Skeggs if (cfg0 & 0x00000001)
35d36a99d2SBen Skeggs type = NVKM_RAM_TYPE_DDR1;
36c39f472eSBen Skeggs else
37d36a99d2SBen Skeggs type = NVKM_RAM_TYPE_SDRAM;
38c39f472eSBen Skeggs
39af793b8cSBen Skeggs return nvkm_ram_new_(&nv04_ram_func, fb, type, size, pram);
40c39f472eSBen Skeggs }
41