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
222
223
224
225
226
227
228
229
230
231
232
233
|
/* SPDX-License-Identifier: GPL-2.0-only */
#include <stdint.h>
#include <arch/io.h>
#include <console/console.h>
#include <soc/iomap.h>
#include <soc/soc_util.h>
#include <soc/pm.h>
static void print_num_status_bits(int num_bits, uint32_t status,
const char *const bit_names[])
{
int i;
if (!status)
return;
for (i = num_bits - 1; i >= 0; i--) {
if (status & (1 << i)) {
if (bit_names[i])
printk(BIOS_DEBUG, "%s ", bit_names[i]);
else
printk(BIOS_DEBUG, "BIT%d ", i);
}
}
}
static uint32_t print_smi_status(uint32_t smi_sts)
{
static const char *const smi_sts_bits[] = {
[2] = "BIOS",
[4] = "SLP_SMI",
[5] = "APM",
[6] = "SWSMI_TMR",
[8] = "PM1",
[9] = "GPE0",
[10] = "GPE1",
[11] = "MC_SMI",
[12] = "DEVMON",
[13] = "TCO",
[14] = "PERIODIC",
[15] = "SERIRQ",
[16] = "SMBUS_SMI",
[17] = "LEGACY_USB2",
[18] = "INTEL_USB2",
[19] = "PATCH",
[20] = "PCI_EXP_SMI",
[21] = "MONITOR",
[26] = "SPI",
[27] = "GPIO_UNLOCK",
[31] = "LEGACY_USB3",
};
if (!smi_sts)
return 0;
printk(BIOS_DEBUG, "SMI_STS: ");
print_num_status_bits(ARRAY_SIZE(smi_sts_bits), smi_sts, smi_sts_bits);
printk(BIOS_DEBUG, "\n");
return smi_sts;
}
static uint32_t reset_smi_status(void)
{
uint16_t pmbase = get_pmbase();
uint32_t smi_sts = inl((uint16_t)(pmbase + SMI_STS));
outl(smi_sts, (uint16_t)(pmbase + SMI_STS));
return smi_sts;
}
uint32_t clear_smi_status(void) { return print_smi_status(reset_smi_status()); }
void enable_smi(uint32_t mask)
{
uint16_t pmbase = get_pmbase();
uint32_t smi_en = inl((uint16_t)(pmbase + SMI_EN));
smi_en |= mask;
outl(smi_en, (uint16_t)(pmbase + SMI_EN));
}
void disable_smi(uint32_t mask)
{
uint16_t pmbase = get_pmbase();
uint32_t smi_en = inl((uint16_t)(pmbase + SMI_EN));
smi_en &= ~mask;
outl(smi_en, (uint16_t)(pmbase + SMI_EN));
}
void enable_pm1_control(uint32_t mask)
{
uint16_t pmbase = get_pmbase();
uint32_t pm1_cnt = inl((uint16_t)(pmbase + PM1_CNT));
pm1_cnt |= mask;
outl(pm1_cnt, (uint16_t)(pmbase + PM1_CNT));
}
void disable_pm1_control(uint32_t mask)
{
uint16_t pmbase = get_pmbase();
uint32_t pm1_cnt = inl((uint16_t)(pmbase + PM1_CNT));
pm1_cnt &= ~mask;
outl(pm1_cnt, (uint16_t)(pmbase + PM1_CNT));
}
static uint16_t reset_pm1_status(void)
{
uint16_t pmbase = get_pmbase();
uint16_t pm1_sts = inw((uint16_t)(pmbase + PM1_STS));
outw(pm1_sts, (uint16_t)(pmbase + PM1_STS));
return pm1_sts;
}
static uint16_t print_pm1_status(uint16_t pm1_sts)
{
static const char *const pm1_sts_bits[] = {
[0] = "TMROF", [4] = "BM", [5] = "GBL",
[8] = "PWRBTN", [10] = "RTC", [11] = "PRBTNOR",
[15] = "WAK",
};
if (!pm1_sts)
return 0;
printk(BIOS_SPEW, "PM1_STS: ");
print_num_status_bits(ARRAY_SIZE(pm1_sts_bits), pm1_sts, pm1_sts_bits);
printk(BIOS_SPEW, "\n");
return pm1_sts;
}
uint16_t clear_pm1_status(void) { return print_pm1_status(reset_pm1_status()); }
void enable_pm1(uint16_t events)
{
uint16_t pmbase = get_pmbase();
outw(events, (uint16_t)(pmbase + PM1_EN));
}
static uint32_t print_tco_status(uint32_t tco_sts)
{
static const char *const tco_sts_bits[] = {
[0] = "NMI2SMI", [1] = "OS_TCO_SMI",
[2] = "TCO_INIT", [3] = "TIMEOUT",
[7] = "NEWCENTURY ", [8] = "BIOSWR ",
[9] = "CPUSCI ", [10] = "CPUSMI ",
[12] = "CPUSERR ", [16] = "INTRD_DET ",
[17] = "SECOND_TO", [20] = "SMLINK_SLV_SMI",
};
if (!tco_sts)
return 0;
printk(BIOS_DEBUG, "TCO_STS: ");
print_num_status_bits(ARRAY_SIZE(tco_sts_bits), tco_sts, tco_sts_bits);
printk(BIOS_DEBUG, "\n");
return tco_sts;
}
static uint32_t reset_tco_status(void)
{
uint16_t tcobase = get_tcobase();
uint32_t tco_sts = inl((uint16_t)(tcobase + TCO1_STS));
uint32_t tco_en = inl((uint16_t)(tcobase + TCO1_CNT));
outl(tco_sts, (uint16_t)(tcobase + TCO1_STS));
return tco_sts & tco_en;
}
uint32_t clear_tco_status(void) { return print_tco_status(reset_tco_status()); }
void enable_gpe(uint32_t mask)
{
uint16_t pmbase = get_pmbase();
uint32_t gpe0_en = inl((uint16_t)(pmbase + GPE0_EN(GPE_STD)));
gpe0_en |= mask;
outl(gpe0_en, (uint16_t)(pmbase + GPE0_EN(GPE_STD)));
}
void disable_gpe(uint32_t mask)
{
uint16_t pmbase = get_pmbase();
uint32_t gpe0_en = inl((uint16_t)(pmbase + GPE0_EN(GPE_STD)));
gpe0_en &= ~mask;
outl(gpe0_en, (uint16_t)(pmbase + GPE0_EN(GPE_STD)));
}
void disable_all_gpe(void) { disable_gpe(~0); }
static uint32_t reset_gpe_status(void)
{
uint16_t pmbase = get_pmbase();
uint32_t gpe_sts = inl((uint16_t)(pmbase + GPE0_STS(GPE_STD)));
outl(gpe_sts, (uint16_t)(pmbase + GPE0_STS(GPE_STD)));
return gpe_sts;
}
static uint32_t print_gpe_sts(uint32_t gpe_sts)
{
static const char *const gpe_sts_bits[] = {
[0] = "GPIO_0", [1] = "GPIO_1",
[2] = "GPIO_2", [3] = "GPIO_3",
[4] = "GPIO_4", [5] = "GPIO_5",
[6] = "GPIO_6", [7] = "GPIO_7",
[8] = "GPIO_8", [9] = "GPIO_9",
[10] = "GPIO_10", [11] = "GPIO_11",
[12] = "GPIO_12", [13] = "GPIO_13",
[14] = "GPIO_14", [15] = "GPIO_15",
[16] = "GPIO_16", [17] = "GPIO_17",
[18] = "GPIO_18", [19] = "GPIO_19",
[20] = "GPIO_20", [21] = "GPIO_21",
[22] = "GPIO_22", [23] = "GPIO_23",
[24] = "GPIO_24", [25] = "GPIO_25",
[26] = "GPIO_26", [27] = "GPIO_27",
[28] = "GPIO_28", [29] = "GPIO_29",
[30] = "GPIO_30", [31] = "GPIO_31",
};
if (!gpe_sts)
return gpe_sts;
printk(BIOS_DEBUG, "GPE0a_STS: ");
print_num_status_bits(ARRAY_SIZE(gpe_sts_bits), gpe_sts, gpe_sts_bits);
printk(BIOS_DEBUG, "\n");
return gpe_sts;
}
uint32_t clear_gpe_status(void) { return print_gpe_sts(reset_gpe_status()); }
void clear_pmc_status(void) { /* TODO */ }
|
