2 * Copyright (C) 2010 Francisco Jerez.
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29 #include <subdev/bios.h>
30 #include <subdev/bios/init.h>
33 nv20_devinit_meminit(struct nvkm_devinit *devinit)
35 struct nv04_devinit_priv *priv = (void *)devinit;
36 struct nvkm_device *device = nv_device(priv);
37 uint32_t mask = (device->chipset >= 0x25 ? 0x300 : 0x900);
39 struct io_mapping *fb;
41 /* Map the framebuffer aperture */
42 fb = fbmem_init(nv_device(priv));
44 nv_error(priv, "failed to map fb\n");
48 nv_wr32(priv, NV10_PFB_REFCTRL, NV10_PFB_REFCTRL_VALID_1);
50 /* Allow full addressing */
51 nv_mask(priv, NV04_PFB_CFG0, 0, mask);
53 amount = nv_rd32(priv, 0x10020c);
54 for (off = amount; off > 0x2000000; off -= 0x2000000)
55 fbmem_poke(fb, off - 4, off);
57 amount = nv_rd32(priv, 0x10020c);
58 if (amount != fbmem_peek(fb, amount - 4))
59 /* IC missing - disable the upper half memory space. */
60 nv_mask(priv, NV04_PFB_CFG0, mask, 0);
66 nv20_devinit_oclass = &(struct nvkm_devinit_impl) {
67 .base.handle = NV_SUBDEV(DEVINIT, 0x20),
68 .base.ofuncs = &(struct nvkm_ofuncs) {
69 .ctor = nv04_devinit_ctor,
70 .dtor = nv04_devinit_dtor,
71 .init = nv04_devinit_init,
72 .fini = nv04_devinit_fini,
74 .meminit = nv20_devinit_meminit,
75 .pll_set = nv04_devinit_pll_set,