1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/*
* Copyright (C) 2010 Francisco Jerez.
* All Rights Reserved.
*
* 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 (including the
* next paragraph) 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 OWNER(S) AND/OR ITS SUPPLIERS 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.
*
*/
#include "priv.h"
#include "fbmem.h"
struct nv20_devinit_priv {
struct nouveau_devinit base;
u8 owner;
};
static void
nv20_devinit_meminit(struct nouveau_devinit *devinit)
{
struct nv20_devinit_priv *priv = (void *)devinit;
struct nouveau_device *device = nv_device(priv);
uint32_t mask = (device->chipset >= 0x25 ? 0x300 : 0x900);
uint32_t amount, off;
struct io_mapping *fb;
/* Map the framebuffer aperture */
fb = fbmem_init(nv_device(priv)->pdev);
if (!fb) {
nv_error(priv, "failed to map fb\n");
return;
}
nv_wr32(priv, NV10_PFB_REFCTRL, NV10_PFB_REFCTRL_VALID_1);
/* Allow full addressing */
nv_mask(priv, NV04_PFB_CFG0, 0, mask);
amount = nv_rd32(priv, 0x10020c);
for (off = amount; off > 0x2000000; off -= 0x2000000)
fbmem_poke(fb, off - 4, off);
amount = nv_rd32(priv, 0x10020c);
if (amount != fbmem_peek(fb, amount - 4))
/* IC missing - disable the upper half memory space. */
nv_mask(priv, NV04_PFB_CFG0, mask, 0);
fbmem_fini(fb);
}
static int
nv20_devinit_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
struct nouveau_object **pobject)
{
struct nv20_devinit_priv *priv;
int ret;
ret = nouveau_devinit_create(parent, engine, oclass, &priv);
*pobject = nv_object(priv);
if (ret)
return ret;
priv->base.meminit = nv20_devinit_meminit;
priv->base.pll_set = nv04_devinit_pll_set;
return 0;
}
struct nouveau_oclass
nv20_devinit_oclass = {
.handle = NV_SUBDEV(DEVINIT, 0x20),
.ofuncs = &(struct nouveau_ofuncs) {
.ctor = nv20_devinit_ctor,
.dtor = nv04_devinit_dtor,
.init = nv04_devinit_init,
.fini = nv04_devinit_fini,
},
};
|
