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
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
|
package main
import "fmt"
func LenovoEC(ctx Context) {
ap := Create(ctx, "acpi/platform.asl")
defer ap.Close()
wakeGPE := 13
sbGPE := GuessECGPE(ctx)
var GPE int
var GPEUnsure bool
if sbGPE < 0 {
sbGPE = SouthBridge.EncodeGPE(1)
GPE = 1
GPEUnsure = true
SouthBridge.NeedRouteGPIOManually()
} else {
GPE = SouthBridge.DecodeGPE(sbGPE)
GPEUnsure = false
}
SouthBridge.EnableGPE(wakeGPE)
SouthBridge.EnableGPE(GPE)
GPEDefine := DSDTDefine{
Key: "THINKPAD_EC_GPE",
}
GPEDefine.Value = fmt.Sprintf("%d", sbGPE)
if GPEUnsure {
GPEDefine.Comment = "FIXME: Check this"
}
DSDTDefines = append(DSDTDefines,
DSDTDefine{
Key: "EC_LENOVO_H8_ME_WORKAROUND",
Value: "1",
}, GPEDefine)
Add_gpl(ap)
ap.WriteString(
`Method(_WAK, 1)
{
/* ME may not be up yet. */
Store(0, \_TZ.MEB1)
Store(0, \_TZ.MEB2)
Return(Package() {0, 0})
}
Method(_PTS,1)
{
\_SB.PCI0.LPCB.EC.RADI(0)
}
`)
si := Create(ctx, "acpi/superio.asl")
defer si.Close()
Add_gpl(si)
si.WriteString("#include <drivers/pc80/pc/ps2_controller.asl>\n")
/* FIXME:XX Move this to ec/lenovo. */
smi := Create(ctx, "smihandler.c")
defer smi.Close()
AddSMMFile("smihandler.c", "")
Add_gpl(smi)
smi.WriteString(
`#include <arch/io.h>
#include <console/console.h>
#include <cpu/x86/smm.h>
#include <ec/acpi/ec.h>
#include <ec/lenovo/h8/h8.h>
#include <delay.h>
#include <` + SouthBridge.GetGPIOHeader() + ">\n\n")
if GPEUnsure {
smi.WriteString("/* FIXME: check this */\n")
}
fmt.Fprintf(smi, "#define GPE_EC_SCI %d\n", GPE)
smi.WriteString("/* FIXME: check this */\n")
fmt.Fprintf(smi, "#define GPE_EC_WAKE %d\n", wakeGPE)
smi.WriteString(`
static void mainboard_smm_init(void)
{
printk(BIOS_DEBUG, "initializing SMI\n");
/* Enable 0x1600/0x1600 register pair */
ec_set_bit(0x00, 0x05);
}
int mainboard_io_trap_handler(int smif)
{
static int smm_initialized;
if (!smm_initialized) {
mainboard_smm_init();
smm_initialized = 1;
}
return 0;
}
static void mainboard_smi_handle_ec_sci(void)
{
u8 status = inb(EC_SC);
u8 event;
if (!(status & EC_SCI_EVT))
return;
event = ec_query();
printk(BIOS_DEBUG, "EC event %#02x\n", event);
}
void mainboard_smi_gpi(u32 gpi_sts)
{
if (gpi_sts & (1 << GPE_EC_SCI))
mainboard_smi_handle_ec_sci();
}
int mainboard_smi_apmc(u8 data)
{
switch (data) {
case APM_CNT_ACPI_ENABLE:
/* use 0x1600/0x1604 to prevent races with userspace */
ec_set_ports(0x1604, 0x1600);
/* route EC_SCI to SCI */
gpi_route_interrupt(GPE_EC_SCI, GPI_IS_SCI);
/* discard all events, and enable attention */
ec_write(0x80, 0x01);
break;
case APM_CNT_ACPI_DISABLE:
/* we have to use port 0x62/0x66, as 0x1600/0x1604 doesn't
provide a EC query function */
ec_set_ports(0x66, 0x62);
/* route EC_SCI to SMI */
gpi_route_interrupt(GPE_EC_SCI, GPI_IS_SMI);
/* discard all events, and enable attention */
ec_write(0x80, 0x01);
break;
default:
break;
}
return 0;
}
void mainboard_smi_sleep(u8 slp_typ)
{
if (slp_typ == 3) {
u8 ec_wake = ec_read(0x32);
/* If EC wake events are enabled, enable wake on EC WAKE GPE. */
if (ec_wake & 0x14) {
/* Redirect EC WAKE GPE to SCI. */
gpi_route_interrupt(GPE_EC_WAKE, GPI_IS_SCI);
}
}
}
`)
ec := Create(ctx, "acpi/ec.asl")
defer ec.Close()
Add_gpl(ec)
ec.WriteString("#include <ec/lenovo/h8/acpi/ec.asl>\n")
KconfigBool["EC_LENOVO_PMH7"] = true
KconfigBool["EC_LENOVO_H8"] = true
pmh := DevTreeNode{
Chip: "ec/lenovo/pmh7",
Registers: map[string]string{
"backlight_enable": "0x01",
"dock_event_enable": "0x01",
},
Children: []DevTreeNode{
DevTreeNode{
Chip: "pnp",
Comment: "dummy",
Dev: 0xff,
Func: 1,
},
},
}
PutChip("lpc", pmh)
ecs := ctx.InfoSource.GetEC()
h8 := DevTreeNode{
Chip: "ec/lenovo/h8",
Children: []DevTreeNode{
DevTreeNode{
Chip: "pnp",
Comment: "dummy",
Dev: 0xff,
Func: 2,
IOs: map[uint16]uint16{
0x60: 0x62,
0x62: 0x66,
0x64: 0x1600,
0x66: 0x1604,
},
},
},
Comment: "FIXME: has_keyboard_backlight, has_power_management_beeps, has_uwb",
Registers: map[string]string{
"config0": FormatHex8(ecs[0]),
"config1": FormatHex8(ecs[1]),
"config2": FormatHex8(ecs[2]),
"config3": FormatHex8(ecs[3]),
"beepmask0": FormatHex8(ecs[4]),
"beepmask1": FormatHex8(ecs[5]),
},
}
for i := 0; i < 0x10; i++ {
if ecs[0x10+i] != 0 {
h8.Registers[fmt.Sprintf("event%x_enable", i)] = FormatHex8(ecs[0x10+i])
}
}
PutChip("lpc", h8)
eeprom := DevTreeNode{
Chip: "drivers/i2c/at24rf08c",
Comment: "eeprom, 8 virtual devices, same chip",
Children: []DevTreeNode{
DevTreeNode{
Chip: "i2c",
Dev: 0x54,
},
DevTreeNode{
Chip: "i2c",
Dev: 0x55,
},
DevTreeNode{
Chip: "i2c",
Dev: 0x56,
},
DevTreeNode{
Chip: "i2c",
Dev: 0x57,
},
DevTreeNode{
Chip: "i2c",
Dev: 0x5c,
},
DevTreeNode{
Chip: "i2c",
Dev: 0x5d,
},
DevTreeNode{
Chip: "i2c",
Dev: 0x5e,
},
DevTreeNode{
Chip: "i2c",
Dev: 0x5f,
},
},
}
PutChip("smbus", eeprom)
}
|
