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
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
|
/*
* Copyright 2015 Advanced Micro Devices, 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.
*
*/
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/gfp.h>
#include "smumgr.h"
#include "tonga_smumgr.h"
#include "pp_debug.h"
#include "smu_ucode_xfer_vi.h"
#include "tonga_ppsmc.h"
#include "smu/smu_7_1_2_d.h"
#include "smu/smu_7_1_2_sh_mask.h"
#include "cgs_common.h"
#include "tonga_smc.h"
#include "smu7_smumgr.h"
static int tonga_start_in_protection_mode(struct pp_smumgr *smumgr)
{
int result;
/* Assert reset */
SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC,
SMC_SYSCON_RESET_CNTL, rst_reg, 1);
result = smu7_upload_smu_firmware_image(smumgr);
if (result)
return result;
/* Clear status */
cgs_write_ind_register(smumgr->device, CGS_IND_REG__SMC,
ixSMU_STATUS, 0);
/* Enable clock */
SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC,
SMC_SYSCON_CLOCK_CNTL_0, ck_disable, 0);
/* De-assert reset */
SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC,
SMC_SYSCON_RESET_CNTL, rst_reg, 0);
/* Set SMU Auto Start */
SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC,
SMU_INPUT_DATA, AUTO_START, 1);
/* Clear firmware interrupt enable flag */
cgs_write_ind_register(smumgr->device, CGS_IND_REG__SMC,
ixFIRMWARE_FLAGS, 0);
SMUM_WAIT_VFPF_INDIRECT_FIELD(smumgr, SMC_IND,
RCU_UC_EVENTS, INTERRUPTS_ENABLED, 1);
/**
* Call Test SMU message with 0x20000 offset to trigger SMU start
*/
smu7_send_msg_to_smc_offset(smumgr);
/* Wait for done bit to be set */
SMUM_WAIT_VFPF_INDIRECT_FIELD_UNEQUAL(smumgr, SMC_IND,
SMU_STATUS, SMU_DONE, 0);
/* Check pass/failed indicator */
if (1 != SMUM_READ_VFPF_INDIRECT_FIELD(smumgr->device,
CGS_IND_REG__SMC, SMU_STATUS, SMU_PASS)) {
printk(KERN_ERR "[ powerplay ] SMU Firmware start failed\n");
return -EINVAL;
}
/* Wait for firmware to initialize */
SMUM_WAIT_VFPF_INDIRECT_FIELD(smumgr, SMC_IND,
FIRMWARE_FLAGS, INTERRUPTS_ENABLED, 1);
return 0;
}
static int tonga_start_in_non_protection_mode(struct pp_smumgr *smumgr)
{
int result = 0;
/* wait for smc boot up */
SMUM_WAIT_VFPF_INDIRECT_FIELD_UNEQUAL(smumgr, SMC_IND,
RCU_UC_EVENTS, boot_seq_done, 0);
/*Clear firmware interrupt enable flag*/
cgs_write_ind_register(smumgr->device, CGS_IND_REG__SMC,
ixFIRMWARE_FLAGS, 0);
SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC,
SMC_SYSCON_RESET_CNTL, rst_reg, 1);
result = smu7_upload_smu_firmware_image(smumgr);
if (result != 0)
return result;
/* Set smc instruct start point at 0x0 */
smu7_program_jump_on_start(smumgr);
SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC,
SMC_SYSCON_CLOCK_CNTL_0, ck_disable, 0);
/*De-assert reset*/
SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC,
SMC_SYSCON_RESET_CNTL, rst_reg, 0);
/* Wait for firmware to initialize */
SMUM_WAIT_VFPF_INDIRECT_FIELD(smumgr, SMC_IND,
FIRMWARE_FLAGS, INTERRUPTS_ENABLED, 1);
return result;
}
static int tonga_start_smu(struct pp_smumgr *smumgr)
{
int result;
/* Only start SMC if SMC RAM is not running */
if (!smu7_is_smc_ram_running(smumgr)) {
/*Check if SMU is running in protected mode*/
if (0 == SMUM_READ_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC,
SMU_FIRMWARE, SMU_MODE)) {
result = tonga_start_in_non_protection_mode(smumgr);
if (result)
return result;
} else {
result = tonga_start_in_protection_mode(smumgr);
if (result)
return result;
}
}
result = smu7_request_smu_load_fw(smumgr);
return result;
}
/**
* Write a 32bit value to the SMC SRAM space.
* ALL PARAMETERS ARE IN HOST BYTE ORDER.
* @param smumgr the address of the powerplay hardware manager.
* @param smcAddress the address in the SMC RAM to access.
* @param value to write to the SMC SRAM.
*/
static int tonga_smu_init(struct pp_smumgr *smumgr)
{
struct tonga_smumgr *smu_data = (struct tonga_smumgr *)(smumgr->backend);
int i;
if (smu7_init(smumgr))
return -EINVAL;
for (i = 0; i < SMU72_MAX_LEVELS_GRAPHICS; i++)
smu_data->activity_target[i] = 30;
return 0;
}
static const struct pp_smumgr_func tonga_smu_funcs = {
.smu_init = &tonga_smu_init,
.smu_fini = &smu7_smu_fini,
.start_smu = &tonga_start_smu,
.check_fw_load_finish = &smu7_check_fw_load_finish,
.request_smu_load_fw = &smu7_request_smu_load_fw,
.request_smu_load_specific_fw = NULL,
.send_msg_to_smc = &smu7_send_msg_to_smc,
.send_msg_to_smc_with_parameter = &smu7_send_msg_to_smc_with_parameter,
.download_pptable_settings = NULL,
.upload_pptable_settings = NULL,
.update_smc_table = tonga_update_smc_table,
.get_offsetof = tonga_get_offsetof,
.process_firmware_header = tonga_process_firmware_header,
.init_smc_table = tonga_init_smc_table,
.update_sclk_threshold = tonga_update_sclk_threshold,
.thermal_setup_fan_table = tonga_thermal_setup_fan_table,
.populate_all_graphic_levels = tonga_populate_all_graphic_levels,
.populate_all_memory_levels = tonga_populate_all_memory_levels,
.get_mac_definition = tonga_get_mac_definition,
.initialize_mc_reg_table = tonga_initialize_mc_reg_table,
.is_dpm_running = tonga_is_dpm_running,
};
int tonga_smum_init(struct pp_smumgr *smumgr)
{
struct tonga_smumgr *tonga_smu = NULL;
tonga_smu = kzalloc(sizeof(struct tonga_smumgr), GFP_KERNEL);
if (tonga_smu == NULL)
return -ENOMEM;
smumgr->backend = tonga_smu;
smumgr->smumgr_funcs = &tonga_smu_funcs;
return 0;
}
|
