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
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
/*
* Copyright 2013 Red Hat Inc.
*
* 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 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 HOLDER(S) OR AUTHOR(S) 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.
*
* Authors: Ben Skeggs
*/
#include "nv50.h"
#include <subdev/bios.h>
#include <subdev/bios/bit.h>
#include <subdev/bios/pmu.h>
#include <subdev/timer.h>
static void
pmu_code(struct nv50_devinit *init, u32 pmu, u32 img, u32 len, bool sec)
{
struct nvkm_device *device = init->base.subdev.device;
struct nvkm_bios *bios = device->bios;
int i;
nvkm_wr32(device, 0x10a180, 0x01000000 | (sec ? 0x10000000 : 0) | pmu);
for (i = 0; i < len; i += 4) {
if ((i & 0xff) == 0)
nvkm_wr32(device, 0x10a188, (pmu + i) >> 8);
nvkm_wr32(device, 0x10a184, nvbios_rd32(bios, img + i));
}
while (i & 0xff) {
nvkm_wr32(device, 0x10a184, 0x00000000);
i += 4;
}
}
static void
pmu_data(struct nv50_devinit *init, u32 pmu, u32 img, u32 len)
{
struct nvkm_device *device = init->base.subdev.device;
struct nvkm_bios *bios = device->bios;
int i;
nvkm_wr32(device, 0x10a1c0, 0x01000000 | pmu);
for (i = 0; i < len; i += 4)
nvkm_wr32(device, 0x10a1c4, nvbios_rd32(bios, img + i));
}
static u32
pmu_args(struct nv50_devinit *init, u32 argp, u32 argi)
{
struct nvkm_device *device = init->base.subdev.device;
nvkm_wr32(device, 0x10a1c0, argp);
nvkm_wr32(device, 0x10a1c0, nvkm_rd32(device, 0x10a1c4) + argi);
return nvkm_rd32(device, 0x10a1c4);
}
static void
pmu_exec(struct nv50_devinit *init, u32 init_addr)
{
struct nvkm_device *device = init->base.subdev.device;
nvkm_wr32(device, 0x10a104, init_addr);
nvkm_wr32(device, 0x10a10c, 0x00000000);
nvkm_wr32(device, 0x10a100, 0x00000002);
}
static int
pmu_load(struct nv50_devinit *init, u8 type, bool post,
u32 *init_addr_pmu, u32 *args_addr_pmu)
{
struct nvkm_subdev *subdev = &init->base.subdev;
struct nvkm_bios *bios = subdev->device->bios;
struct nvbios_pmuR pmu;
if (!nvbios_pmuRm(bios, type, &pmu)) {
nvkm_error(subdev, "VBIOS PMU fuc %02x not found\n", type);
return -EINVAL;
}
if (!post)
return 0;
pmu_code(init, pmu.boot_addr_pmu, pmu.boot_addr, pmu.boot_size, false);
pmu_code(init, pmu.code_addr_pmu, pmu.code_addr, pmu.code_size, true);
pmu_data(init, pmu.data_addr_pmu, pmu.data_addr, pmu.data_size);
if (init_addr_pmu) {
*init_addr_pmu = pmu.init_addr_pmu;
*args_addr_pmu = pmu.args_addr_pmu;
return 0;
}
return pmu_exec(init, pmu.init_addr_pmu), 0;
}
static int
gm200_devinit_post(struct nvkm_devinit *base, bool post)
{
struct nv50_devinit *init = nv50_devinit(base);
struct nvkm_subdev *subdev = &init->base.subdev;
struct nvkm_device *device = subdev->device;
struct nvkm_bios *bios = device->bios;
struct bit_entry bit_I;
u32 exec, args;
int ret;
if (bit_entry(bios, 'I', &bit_I) || bit_I.version != 1 ||
bit_I.length < 0x1c) {
nvkm_error(subdev, "VBIOS PMU init data not found\n");
return -EINVAL;
}
ret = pmu_load(init, 0x04, post, &exec, &args);
if (ret)
return ret;
/* upload first chunk of init data */
if (post) {
// devinit tables
u32 pmu = pmu_args(init, args + 0x08, 0x08);
u32 img = nvbios_rd16(bios, bit_I.offset + 0x14);
u32 len = nvbios_rd16(bios, bit_I.offset + 0x16);
pmu_data(init, pmu, img, len);
}
/* upload second chunk of init data */
if (post) {
// devinit boot scripts
u32 pmu = pmu_args(init, args + 0x08, 0x10);
u32 img = nvbios_rd16(bios, bit_I.offset + 0x18);
u32 len = nvbios_rd16(bios, bit_I.offset + 0x1a);
pmu_data(init, pmu, img, len);
}
/* execute init tables */
if (post) {
nvkm_wr32(device, 0x10a040, 0x00005000);
pmu_exec(init, exec);
if (nvkm_msec(device, 2000,
if (nvkm_rd32(device, 0x10a040) & 0x00002000)
break;
) < 0)
return -ETIMEDOUT;
}
/* load and execute some other ucode image (bios therm?) */
return pmu_load(init, 0x01, post, NULL, NULL);
}
static const struct nvkm_devinit_func
gm200_devinit = {
.preinit = gf100_devinit_preinit,
.init = nv50_devinit_init,
.post = gm200_devinit_post,
.pll_set = gf100_devinit_pll_set,
.disable = gm107_devinit_disable,
};
int
gm200_devinit_new(struct nvkm_device *device, int index,
struct nvkm_devinit **pinit)
{
return nv50_devinit_new_(&gm200_devinit, device, index, pinit);
}
|
