summaryrefslogtreecommitdiff
path: root/src/southbridge/amd/cimx/sb800/fan.c
blob: af43ebde1c601a363d072ca421f3ff71067dbdc2 (plain)
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
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2012 Sage Electronic Engineering, LLC
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc.
 */

#include <southbridge/amd/cimx/cimx_util.h>
#include <device/device.h>	/* device_t */
#include <device/pci.h>		/* device_operations */
#include "SBPLATFORM.h"
#include "sb_cimx.h"
#include "chip.h"		/* struct southbridge_amd_cimx_sb800_config */
#include "fan.h"

void init_sb800_MANUAL_fans(device_t dev)
{
	int i;
	struct southbridge_amd_cimx_sb800_config *sb_chip =
		(struct southbridge_amd_cimx_sb800_config *)(dev->chip_info);

	/* Init Fan 0 */
	if (sb_chip->fan0_enabled)
		for (i = 0; i < FAN_REGISTER_COUNT; i++)
			pm2_iowrite(FAN_0_OFFSET + i, sb_chip->fan0_config_vals[i]);

	/* Init Fan 1 */
	if (sb_chip->fan1_enabled)
		for (i = 0; i < FAN_REGISTER_COUNT; i++)
			pm2_iowrite(FAN_1_OFFSET + i, sb_chip->fan1_config_vals[i]);

	/* Init Fan 2 */
	if (sb_chip->fan2_enabled)
		for (i = 0; i < FAN_REGISTER_COUNT; i++)
			pm2_iowrite(FAN_2_OFFSET + i, sb_chip->fan2_config_vals[i]);

	/* Init Fan 3 */
	if (sb_chip->fan3_enabled)
		for (i = 0; i < FAN_REGISTER_COUNT; i++)
			pm2_iowrite(FAN_3_OFFSET + i, sb_chip->fan3_config_vals[i]);

	/* Init Fan 4 */
	if (sb_chip->fan4_enabled)
		for (i = 0; i < FAN_REGISTER_COUNT; i++)
			pm2_iowrite(FAN_4_OFFSET + i, sb_chip->fan4_config_vals[i]);

}

void init_sb800_IMC_fans(device_t dev)
{

	AMDSBCFG sb_config;
	unsigned char *message_ptr;
	int i;
	struct southbridge_amd_cimx_sb800_config *sb_chip =
		(struct southbridge_amd_cimx_sb800_config *)(dev->chip_info);

	/*
	 * The default I/O address of the IMC configuration register index
	 *  port is 0x6E. Change the IMC Config port I/O Address if it
	 *  conflicts with other components in the system.
	 *
	 * Device 20, Function 3, Reg 0xA4
	 * [0]: if 1, the address specified in IMC_PortAddress is used.
	 * [15:1] IMC_PortAddress bits 15:1 (0x17 - address 0x2E )
	 */

	pci_write_config16(dev, 0xA4, sb_chip->imc_port_address | 0x01);


	/*
	 * Do an initial manual setup of the fans for things like polarity
	 * and frequency.
	 */
	init_sb800_MANUAL_fans(dev);

	/*
	 * FLAG for Func 81/83/85/89 support (1=On,0=Off)
	 * Bit0-3   = Func 81 Zone0-Zone3
	 * Bit4-7   = Func 83 Zone0-Zone3
	 * Bit8-11  = Func 85 Zone0-Zone3
	 * Bit12-15 = Func 89 Tempin Channel0-Channel3
	 */
	sb_config.Pecstruct.IMCFUNSupportBitMap = 0;

/*
 ********** Zone 0 **********
 */
if (sb_chip->imc_fan_zone0_enabled) {

	sb_config.Pecstruct.IMCFUNSupportBitMap |= IMC_ENABLE_ZONE0;

	/* EC LDN9 function 81 zone 0 */
	sb_config.Pecstruct.MSGFun81zone0MSGREG0 = 0x00;
	sb_config.Pecstruct.MSGFun81zone0MSGREG1 = IMC_ZONE0;
	message_ptr = &sb_config.Pecstruct.MSGFun81zone0MSGREG2;
	for (i = 0; i < IMC_FAN_CONFIG_COUNT ; i++ )
		*(message_ptr + i) = sb_chip->imc_zone0_config_vals[i];

	/* EC LDN9 function 83 zone 0 - Temperature Thresholds */
	sb_config.Pecstruct.MSGFun83zone0MSGREG0 = 0x00;
	sb_config.Pecstruct.MSGFun83zone0MSGREG1 = IMC_ZONE0;
	sb_config.Pecstruct.MSGFun83zone0MSGREGB = 0x00;
	message_ptr = &sb_config.Pecstruct.MSGFun83zone0MSGREG2;
	for (i = 0; i < IMC_FAN_THRESHOLD_COUNT ; i++ )
		*(message_ptr + i) = sb_chip->imc_zone0_thresholds[i];

	/*EC LDN9 function 85 zone 0 - Fan Speeds */
	sb_config.Pecstruct.MSGFun85zone0MSGREG0 = 0x00;
	sb_config.Pecstruct.MSGFun85zone0MSGREG1 = IMC_ZONE0;
	message_ptr = &sb_config.Pecstruct.MSGFun85zone0MSGREG2;
	for (i = 0; i < IMC_FAN_SPEED_COUNT ; i++ )
		*(message_ptr + i) = sb_chip->imc_zone0_fanspeeds[i];

}

/*
 ********** Zone 1 **********
 */
if (sb_chip->imc_fan_zone1_enabled) {

	sb_config.Pecstruct.IMCFUNSupportBitMap |= IMC_ENABLE_ZONE1;

	/* EC LDN9 function 81 zone 1 */
	sb_config.Pecstruct.MSGFun81zone1MSGREG0 = 0x00;
	sb_config.Pecstruct.MSGFun81zone1MSGREG1 = IMC_ZONE1;
	message_ptr = &sb_config.Pecstruct.MSGFun81zone1MSGREG2;
	for (i = 0; i < IMC_FAN_CONFIG_COUNT ; i++ )
		*(message_ptr + i) = sb_chip->imc_zone1_config_vals[i];

	/* EC LDN9 function 83 zone 1 - Temperature Thresholds */
	sb_config.Pecstruct.MSGFun83zone1MSGREG0 = 0x00;
	sb_config.Pecstruct.MSGFun83zone1MSGREG1 = IMC_ZONE1;
	sb_config.Pecstruct.MSGFun83zone1MSGREGB = 0x00;
	message_ptr = &sb_config.Pecstruct.MSGFun83zone1MSGREG2;
	for (i = 0; i < IMC_FAN_THRESHOLD_COUNT ; i++ )
		*(message_ptr + i) = sb_chip->imc_zone1_thresholds[i];

	/* EC LDN9 function 85 zone 1 - Fan Speeds */
	sb_config.Pecstruct.MSGFun85zone1MSGREG0 = 0x00;
	sb_config.Pecstruct.MSGFun85zone1MSGREG1 = IMC_ZONE1;
	message_ptr = &sb_config.Pecstruct.MSGFun85zone1MSGREG2;
	for (i = 0; i < IMC_FAN_SPEED_COUNT ; i++ )
		*(message_ptr + i) = sb_chip->imc_zone1_fanspeeds[i];

}


/*
 ********** Zone 2 **********
 */
if (sb_chip->imc_fan_zone2_enabled) {

	sb_config.Pecstruct.IMCFUNSupportBitMap |= IMC_ENABLE_ZONE2;

	/* EC LDN9 function 81 zone 2 */
	sb_config.Pecstruct.MSGFun81zone2MSGREG0 = 0x00;
	sb_config.Pecstruct.MSGFun81zone2MSGREG1 = IMC_ZONE2;
	message_ptr = &sb_config.Pecstruct.MSGFun81zone2MSGREG2;
	for (i = 0; i < IMC_FAN_CONFIG_COUNT ; i++ )
		*(message_ptr + i) = sb_chip->imc_zone2_config_vals[i];

	/* EC LDN9 function 83 zone 2 */
	sb_config.Pecstruct.MSGFun83zone2MSGREG0 = 0x00;
	sb_config.Pecstruct.MSGFun83zone2MSGREG1 = IMC_ZONE2;
	sb_config.Pecstruct.MSGFun83zone2MSGREGB = 0x00;
	message_ptr = &sb_config.Pecstruct.MSGFun83zone2MSGREG2;
	for (i = 0; i < IMC_FAN_THRESHOLD_COUNT ; i++ )
		*(message_ptr + i) = sb_chip->imc_zone2_thresholds[i];

	/* EC LDN9 function 85 zone 2 */
	sb_config.Pecstruct.MSGFun85zone2MSGREG0 = 0x00;
	sb_config.Pecstruct.MSGFun85zone2MSGREG1 = IMC_ZONE2;
	message_ptr = &sb_config.Pecstruct.MSGFun85zone2MSGREG2;
	for (i = 0; i < IMC_FAN_SPEED_COUNT ; i++ )
		*(message_ptr + i) = sb_chip->imc_zone2_fanspeeds[i];

}

/*
 ********** Zone 3 **********
 */

if (sb_chip->imc_fan_zone3_enabled) {

	sb_config.Pecstruct.IMCFUNSupportBitMap |= IMC_ENABLE_ZONE3;

	/* EC LDN9 function 81 zone 3 */
	sb_config.Pecstruct.MSGFun81zone3MSGREG0 = 0x00;
	sb_config.Pecstruct.MSGFun81zone3MSGREG1 = IMC_ZONE3;
	message_ptr = &sb_config.Pecstruct.MSGFun81zone3MSGREG2;
	for (i = 0; i < IMC_FAN_CONFIG_COUNT ; i++ )
		*(message_ptr + i) = sb_chip->imc_zone3_config_vals[i];

	/* EC LDN9 function 83 zone 3 */
	sb_config.Pecstruct.MSGFun83zone3MSGREG0 = 0x00;
	sb_config.Pecstruct.MSGFun83zone3MSGREG1 = IMC_ZONE3;
	sb_config.Pecstruct.MSGFun83zone3MSGREGB = 0x00;
	message_ptr = &sb_config.Pecstruct.MSGFun83zone3MSGREG2;
	for (i = 0; i < IMC_FAN_THRESHOLD_COUNT ; i++ )
		*(message_ptr + i) = sb_chip->imc_zone3_thresholds[i];

	/* EC LDN9 function 85 zone 3 */
	sb_config.Pecstruct.MSGFun85zone3MSGREG0 = 0x00;
	sb_config.Pecstruct.MSGFun85zone3MSGREG1 = IMC_ZONE3;
	message_ptr = &sb_config.Pecstruct.MSGFun85zone3MSGREG2;
	for (i = 0; i < IMC_FAN_SPEED_COUNT ; i++ )
		*(message_ptr + i) = sb_chip->imc_zone3_fanspeeds[i];

}

	/*
	 * EC LDN9 function 89 - Set HWM TEMPIN Temperature Calculation Parameters
	 * This function provides the critical parameters of the HWM TempIn
	 * sensors, IMC would not perform temperature measurement using those
	 * sensors until the parameters are provided.
	 */

if (sb_chip->imc_tempin0_enabled) {

	sb_config.Pecstruct.IMCFUNSupportBitMap |= IMC_ENABLE_TEMPIN0;

	/* EC LDN9 function 89 TEMPIN channel 0 */
	sb_config.Pecstruct.MSGFun89zone0MSGREG0 = 0x00;
	sb_config.Pecstruct.MSGFun89zone0MSGREG1 = 0x00;
	sb_config.Pecstruct.MSGFun89zone0MSGREG2 = ( sb_chip->imc_tempin0_at & 0xff);
	sb_config.Pecstruct.MSGFun89zone0MSGREG3 = ((sb_chip->imc_tempin0_at >> 8)  & 0xff);
	sb_config.Pecstruct.MSGFun89zone0MSGREG4 = ((sb_chip->imc_tempin0_at >> 16) & 0xff);
	sb_config.Pecstruct.MSGFun89zone0MSGREG5 = ((sb_chip->imc_tempin0_at >> 24) & 0xff);
	sb_config.Pecstruct.MSGFun89zone0MSGREG6 = ( sb_chip->imc_tempin0_ct & 0xff);
	sb_config.Pecstruct.MSGFun89zone0MSGREG7 = ((sb_chip->imc_tempin0_ct >> 8)  & 0xff);
	sb_config.Pecstruct.MSGFun89zone0MSGREG8 = ((sb_chip->imc_tempin0_ct >> 16)  & 0xff);
	sb_config.Pecstruct.MSGFun89zone0MSGREG9 = ((sb_chip->imc_tempin0_ct >> 24)  & 0xff);
	sb_config.Pecstruct.MSGFun89zone0MSGREGA = sb_chip->imc_tempin0_tuning_param;
}

if (sb_chip->imc_tempin1_enabled) {

	sb_config.Pecstruct.IMCFUNSupportBitMap |= IMC_ENABLE_TEMPIN1;

	/* EC LDN9 function 89 TEMPIN channel 1 */
	sb_config.Pecstruct.MSGFun89zone1MSGREG0 = 0x00;
	sb_config.Pecstruct.MSGFun89zone1MSGREG1 = 0x01;
	sb_config.Pecstruct.MSGFun89zone1MSGREG2 = ( sb_chip->imc_tempin1_at & 0xff);
	sb_config.Pecstruct.MSGFun89zone1MSGREG3 = ((sb_chip->imc_tempin1_at >> 8)  & 0xff);
	sb_config.Pecstruct.MSGFun89zone1MSGREG4 = ((sb_chip->imc_tempin1_at >> 16) & 0xff);
	sb_config.Pecstruct.MSGFun89zone1MSGREG5 = ((sb_chip->imc_tempin1_at >> 24) & 0xff);
	sb_config.Pecstruct.MSGFun89zone1MSGREG6 = ( sb_chip->imc_tempin1_ct & 0xff);
	sb_config.Pecstruct.MSGFun89zone1MSGREG7 = ((sb_chip->imc_tempin1_ct >> 8)  & 0xff);
	sb_config.Pecstruct.MSGFun89zone1MSGREG8 = ((sb_chip->imc_tempin1_ct >> 16)  & 0xff);
	sb_config.Pecstruct.MSGFun89zone1MSGREG9 = ((sb_chip->imc_tempin1_ct >> 24)  & 0xff);
	sb_config.Pecstruct.MSGFun89zone1MSGREGA = sb_chip->imc_tempin1_tuning_param;
}

if (sb_chip->imc_tempin2_enabled) {

	sb_config.Pecstruct.IMCFUNSupportBitMap |= IMC_ENABLE_TEMPIN2;

	/* EC LDN9 function 89 TEMPIN channel 2 */
	sb_config.Pecstruct.MSGFun89zone2MSGREG0 = 0x00;
	sb_config.Pecstruct.MSGFun89zone2MSGREG1 = 0x02;
	sb_config.Pecstruct.MSGFun89zone2MSGREG2 = ( sb_chip->imc_tempin2_at & 0xff);
	sb_config.Pecstruct.MSGFun89zone2MSGREG3 = ((sb_chip->imc_tempin2_at >> 8)  & 0xff);
	sb_config.Pecstruct.MSGFun89zone2MSGREG4 = ((sb_chip->imc_tempin2_at >> 16) & 0xff);
	sb_config.Pecstruct.MSGFun89zone2MSGREG5 = ((sb_chip->imc_tempin2_at >> 24) & 0xff);
	sb_config.Pecstruct.MSGFun89zone2MSGREG6 = ( sb_chip->imc_tempin2_ct & 0xff);
	sb_config.Pecstruct.MSGFun89zone2MSGREG7 = ((sb_chip->imc_tempin2_ct >> 8)  & 0xff);
	sb_config.Pecstruct.MSGFun89zone2MSGREG8 = ((sb_chip->imc_tempin2_ct >> 16)  & 0xff);
	sb_config.Pecstruct.MSGFun89zone2MSGREG9 = ((sb_chip->imc_tempin2_ct >> 24)  & 0xff);
	sb_config.Pecstruct.MSGFun89zone2MSGREGA = sb_chip->imc_tempin2_tuning_param;
}

if (sb_chip->imc_tempin3_enabled) {

	sb_config.Pecstruct.IMCFUNSupportBitMap |= IMC_ENABLE_TEMPIN3;

	/* EC LDN9 function 89 TEMPIN channel 3 */
	sb_config.Pecstruct.MSGFun89zone3MSGREG0 = 0x00;
	sb_config.Pecstruct.MSGFun89zone3MSGREG1 = 0x03;
	sb_config.Pecstruct.MSGFun89zone3MSGREG2 = ( sb_chip->imc_tempin3_at & 0xff);
	sb_config.Pecstruct.MSGFun89zone3MSGREG3 = ((sb_chip->imc_tempin3_at >> 8)  & 0xff);
	sb_config.Pecstruct.MSGFun89zone3MSGREG4 = ((sb_chip->imc_tempin3_at >> 16) & 0xff);
	sb_config.Pecstruct.MSGFun89zone3MSGREG5 = ((sb_chip->imc_tempin3_at >> 24) & 0xff);
	sb_config.Pecstruct.MSGFun89zone3MSGREG6 = ( sb_chip->imc_tempin3_ct & 0xff);
	sb_config.Pecstruct.MSGFun89zone3MSGREG7 = ((sb_chip->imc_tempin3_ct >> 8)  & 0xff);
	sb_config.Pecstruct.MSGFun89zone3MSGREG8 = ((sb_chip->imc_tempin3_ct >> 16)  & 0xff);
	sb_config.Pecstruct.MSGFun89zone3MSGREG9 = ((sb_chip->imc_tempin3_ct >> 24)  & 0xff);
	sb_config.Pecstruct.MSGFun89zone3MSGREGA = sb_chip->imc_tempin3_tuning_param;
}

	/* Set up the sb_config structure for the fan control initialization */
	sb_config.StdHeader.Func = SB_EC_FANCONTROL;

	AmdSbDispatcher(&sb_config);

	return;
}