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.
31 nv20_devinit_meminit(struct nouveau_devinit
*devinit
)
33 struct nv04_devinit_priv
*priv
= (void *)devinit
;
34 struct nouveau_device
*device
= nv_device(priv
);
35 uint32_t mask
= (device
->chipset
>= 0x25 ? 0x300 : 0x900);
37 struct io_mapping
*fb
;
39 /* Map the framebuffer aperture */
40 fb
= fbmem_init(nv_device(priv
));
42 nv_error(priv
, "failed to map fb\n");
46 nv_wr32(priv
, NV10_PFB_REFCTRL
, NV10_PFB_REFCTRL_VALID_1
);
48 /* Allow full addressing */
49 nv_mask(priv
, NV04_PFB_CFG0
, 0, mask
);
51 amount
= nv_rd32(priv
, 0x10020c);
52 for (off
= amount
; off
> 0x2000000; off
-= 0x2000000)
53 fbmem_poke(fb
, off
- 4, off
);
55 amount
= nv_rd32(priv
, 0x10020c);
56 if (amount
!= fbmem_peek(fb
, amount
- 4))
57 /* IC missing - disable the upper half memory space. */
58 nv_mask(priv
, NV04_PFB_CFG0
, mask
, 0);
63 struct nouveau_oclass
*
64 nv20_devinit_oclass
= &(struct nouveau_devinit_impl
) {
65 .base
.handle
= NV_SUBDEV(DEVINIT
, 0x20),
66 .base
.ofuncs
= &(struct nouveau_ofuncs
) {
67 .ctor
= nv04_devinit_ctor
,
68 .dtor
= nv04_devinit_dtor
,
69 .init
= nv04_devinit_init
,
70 .fini
= nv04_devinit_fini
,
72 .meminit
= nv20_devinit_meminit
,
73 .pll_set
= nv04_devinit_pll_set
,
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