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.
27 #include <subdev/vga.h>
33 nv10_devinit_meminit(struct nouveau_devinit *devinit)
35 struct nv04_devinit_priv *priv = (void *)devinit;
36 static const int mem_width[] = { 0x10, 0x00, 0x20 };
38 uint32_t patt = 0xdeadbeef;
39 struct io_mapping *fb;
42 if (nv_device(priv)->card_type >= NV_11 &&
43 nv_device(priv)->chipset >= 0x17)
48 /* Map the framebuffer aperture */
49 fb = fbmem_init(nv_device(priv));
51 nv_error(priv, "failed to map fb\n");
55 nv_wr32(priv, NV10_PFB_REFCTRL, NV10_PFB_REFCTRL_VALID_1);
57 /* Probe memory bus width */
58 for (i = 0; i < mem_width_count; i++) {
59 nv_mask(priv, NV04_PFB_CFG0, 0x30, mem_width[i]);
61 for (j = 0; j < 4; j++) {
62 for (k = 0; k < 4; k++)
63 fbmem_poke(fb, 0x1c, 0);
65 fbmem_poke(fb, 0x1c, patt);
66 fbmem_poke(fb, 0x3c, 0);
68 if (fbmem_peek(fb, 0x1c) == patt)
76 /* Probe amount of installed memory */
77 for (i = 0; i < 4; i++) {
78 int off = nv_rd32(priv, 0x10020c) - 0x100000;
80 fbmem_poke(fb, off, patt);
88 if (fbmem_peek(fb, off) == patt)
92 /* IC missing - disable the upper half memory space. */
93 nv_mask(priv, NV04_PFB_CFG0, 0x1000, 0);
99 struct nouveau_oclass *
100 nv10_devinit_oclass = &(struct nouveau_devinit_impl) {
101 .base.handle = NV_SUBDEV(DEVINIT, 0x10),
102 .base.ofuncs = &(struct nouveau_ofuncs) {
103 .ctor = nv04_devinit_ctor,
104 .dtor = nv04_devinit_dtor,
105 .init = nv04_devinit_init,
106 .fini = nv04_devinit_fini,
108 .meminit = nv10_devinit_meminit,
109 .pll_set = nv04_devinit_pll_set,