summaryrefslogtreecommitdiffstats
path: root/src/southbridge/nvidia/ck804/early_setup_car.c
blob: d8121462b5269474d798c8ec5440bf7b731a5837 (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
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering
 *
 * Copyright (C) 2004 Tyan Computer
 * Written by Yinghai Lu <yhlu@tyan.com> for Tyan Computer.
 *
 * 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 "ck804.h"

#if !IS_ENABLED(CONFIG_NORTHBRIDGE_AMD_AMDK8)
/* Someone messed up and snuck in some K8-specific code */
static int  set_ht_link_buffer_counts_chain(uint8_t ht_c_num, unsigned vendorid, unsigned val) { return 0; /* stub */};
#endif

static int set_ht_link_ck804(u8 ht_c_num)
{
	unsigned vendorid = 0x10de;
	unsigned val = 0x01610169;
	return set_ht_link_buffer_counts_chain(ht_c_num, vendorid, val);
}

static void setup_ss_table(unsigned index, unsigned where, unsigned control,
			   const unsigned int *register_values, int max)
{
	int i;
	unsigned val;

	val = inl(control);
	val &= 0xfffffffe;
	outl(val, control);

	outl(0, index);

	for (i = 0; i < max; i++) {
		unsigned long reg;
		reg = register_values[i];
		outl(reg, where);
	}
	val = inl(control);
	val |= 1;
	outl(val, control);
}

#define ANACTRL_IO_BASE 0x3000
#define ANACTRL_REG_POS 0x68

#define SYSCTRL_IO_BASE 0x2000
#define SYSCTRL_REG_POS 0x64

/*
 * Values for CONFIG_CK804_PCI_E_X and CONFIG_CK804B_PCI_E_X.
 * Apparently some sort of lane configuration.
 *
 *	16 1 1 2 :0
 *	 8 8 2 2 :1
 *	 8 8 4   :2
 *	 8 4 4 4 :3
 *	16 4     :4
 */

static void ck804_early_set_port(unsigned ck804_num, unsigned *busn,
				 unsigned *io_base)
{
	static const unsigned int ctrl_devport_conf[] = {
		PCI_ADDR(0, 0x1, 0, ANACTRL_REG_POS), ~(0x0000ff00), ANACTRL_IO_BASE,
		PCI_ADDR(0, 0x1, 0, SYSCTRL_REG_POS), ~(0x0000ff00), SYSCTRL_IO_BASE,
	};

	int j;
	for (j = 0; j < ck804_num; j++) {
		u32 dev;
		if (busn[j] == 0) /* SB chain */
			dev = PCI_DEV(busn[j], CK804_DEVN_BASE, 0);
		else
			dev = PCI_DEV(busn[j], CK804B_DEVN_BASE, 0);
		setup_resource_map_offset(ctrl_devport_conf,
			ARRAY_SIZE(ctrl_devport_conf), dev, io_base[j]);
	}
}

static void ck804_early_clear_port(unsigned ck804_num, unsigned *busn,
				   unsigned *io_base)
{
	static const unsigned int ctrl_devport_conf_clear[] = {
		PCI_ADDR(0, 0x1, 0, ANACTRL_REG_POS), ~(0x0000ff01), 0,
		PCI_ADDR(0, 0x1, 0, SYSCTRL_REG_POS), ~(0x0000ff01), 0,
	};

	int j;
	for (j = 0; j < ck804_num; j++) {
		u32 dev;
		if (busn[j] == 0) /* SB chain */
			dev = PCI_DEV(busn[j], CK804_DEVN_BASE, 0);
		else
			dev = PCI_DEV(busn[j], CK804B_DEVN_BASE, 0);
		setup_resource_map_offset(ctrl_devport_conf_clear,
			ARRAY_SIZE(ctrl_devport_conf_clear), dev, io_base[j]);
	}
}

static void ck804_early_setup(unsigned ck804_num, unsigned *busn,
			      unsigned *io_base)
{
	static const unsigned int ctrl_conf_master[] = {
		RES_PCI_IO, PCI_ADDR(0, 1, 2, 0x8c), 0xffff0000, 0x00009880,
		RES_PCI_IO, PCI_ADDR(0, 1, 2, 0x90), 0xffff000f, 0x000074a0,
		RES_PCI_IO, PCI_ADDR(0, 1, 2, 0xa0), 0xfffff0ff, 0x00000a00,
		RES_PCI_IO, PCI_ADDR(0, 1, 2, 0xac), 0xffffff00, 0x00000000,

		RES_PCI_IO, PCI_ADDR(0, 0, 0, 0x48), 0xfffffffd, 0x00000002,
		RES_PCI_IO, PCI_ADDR(0, 0, 0, 0x74), 0xfffff00f, 0x000009d0,
		RES_PCI_IO, PCI_ADDR(0, 0, 0, 0x8c), 0xffff0000, 0x0000007f,
		RES_PCI_IO, PCI_ADDR(0, 0, 0, 0xcc), 0xfffffff8, 0x00000003,
		RES_PCI_IO, PCI_ADDR(0, 0, 0, 0xd0), 0xff000000, 0x00000000,
		RES_PCI_IO, PCI_ADDR(0, 0, 0, 0xd4), 0xff000000, 0x00000000,
		RES_PCI_IO, PCI_ADDR(0, 0, 0, 0xd8), 0xff000000, 0x00000000,
		RES_PCI_IO, PCI_ADDR(0, 0, 0, 0xdc), 0x7f000000, 0x00000000,

		RES_PCI_IO, PCI_ADDR(0, 1, 0, 0xf0), 0xfffffffd, 0x00000002,
		RES_PCI_IO, PCI_ADDR(0, 1, 0, 0xf8), 0xffffffcf, 0x00000010,

		RES_PCI_IO, PCI_ADDR(0, 9, 0, 0x40), 0xfff8ffff, 0x00030000,
		RES_PCI_IO, PCI_ADDR(0, 9, 0, 0x4c), 0xfe00ffff, 0x00440000,
		RES_PCI_IO, PCI_ADDR(0, 9, 0, 0x74), 0xffffffc0, 0x00000000,

#ifdef CK804_MB_SETUP
		CK804_MB_SETUP
#endif

#if IS_ENABLED(CONFIG_NORTHBRIDGE_AMD_AMDFAM10) || (IS_ENABLED(CONFIG_NORTHBRIDGE_AMD_AMDK8) && IS_ENABLED(CONFIG_CPU_AMD_SOCKET_F))
		/*
		 * Avoid crash (complete with severe memory corruption!) during initial CAR boot
		 * in ck804_early_setup_x() on Fam10h systems by not touching 0x78.
		 * Interestingly once the system is fully booted into Linux this can be set, but
		 * not before!  Apparently something isn't initialized but the amount of effort
		 * required to fix this is non-negligible and of unknown real-world benefit
		 */
#else
		RES_PCI_IO, PCI_ADDR(0, 1, 0, 0x78), 0xc0ffffff, 0x19000000,
#endif
		RES_PCI_IO, PCI_ADDR(0, 1, 0, 0xe0), 0xfffffeff, 0x00000100,

		RES_PORT_IO_32, ANACTRL_IO_BASE + 0x20, 0xe00fffff, 0x11000000,
		RES_PORT_IO_32, ANACTRL_IO_BASE + 0x24, 0xc3f0ffff, 0x24040000,
		RES_PORT_IO_32, ANACTRL_IO_BASE + 0x80, 0x8c3f04df, 0x51407120,
		RES_PORT_IO_32, ANACTRL_IO_BASE + 0x84, 0xffffff8f, 0x00000010,
		RES_PORT_IO_32, ANACTRL_IO_BASE + 0x94, 0xff00ffff, 0x00c00000,
		RES_PORT_IO_32, ANACTRL_IO_BASE + 0xcc, 0xf7ffffff, 0x00000000,

		RES_PORT_IO_32, ANACTRL_IO_BASE + 0x74, ~(0xffff), 0x0f008,
		RES_PORT_IO_32, ANACTRL_IO_BASE + 0x78, ~((0xff) | (0xff << 16)), (0x41 << 16) | (0x32),
		RES_PORT_IO_32, ANACTRL_IO_BASE + 0x7c, ~(0xff << 16), (0xa0 << 16),

		RES_PORT_IO_32, ANACTRL_IO_BASE + 0x24, 0xfcffff0f, 0x020000b0,

		/* Activate master port on primary SATA controller. */
		RES_PCI_IO, PCI_ADDR(0, 7, 0, 0x50), ~(0x1f000013), 0x15000013,
		RES_PCI_IO, PCI_ADDR(0, 7, 0, 0x64), ~(0x00000001), 0x00000001,
		RES_PCI_IO, PCI_ADDR(0, 7, 0, 0x68), ~(0x02000000), 0x02000000,
		RES_PCI_IO, PCI_ADDR(0, 7, 0, 0x70), ~(0x000f0000), 0x00040000,
		RES_PCI_IO, PCI_ADDR(0, 7, 0, 0xa0), ~(0x000001ff), 0x00000150,
		RES_PCI_IO, PCI_ADDR(0, 7, 0, 0xac), ~(0xffff8f00), 0x02aa8b00,
		RES_PCI_IO, PCI_ADDR(0, 7, 0, 0x7c), ~(0x00000010), 0x00000000,
		RES_PCI_IO, PCI_ADDR(0, 7, 0, 0xc8), ~(0x0fff0fff), 0x000a000a,
		RES_PCI_IO, PCI_ADDR(0, 7, 0, 0xd0), ~(0xf0000000), 0x00000000,
		RES_PCI_IO, PCI_ADDR(0, 7, 0, 0xe0), ~(0xf0000000), 0x00000000,

		RES_PCI_IO, PCI_ADDR(0, 8, 0, 0x50), ~(0x1f000013), 0x15000013,
		RES_PCI_IO, PCI_ADDR(0, 8, 0, 0x64), ~(0x00000001), 0x00000001,
		RES_PCI_IO, PCI_ADDR(0, 8, 0, 0x68), ~(0x02000000), 0x02000000,
		RES_PCI_IO, PCI_ADDR(0, 8, 0, 0x70), ~(0x000f0000), 0x00040000,
		RES_PCI_IO, PCI_ADDR(0, 8, 0, 0xa0), ~(0x000001ff), 0x00000150,
		RES_PCI_IO, PCI_ADDR(0, 8, 0, 0xac), ~(0xffff8f00), 0x02aa8b00,
		RES_PCI_IO, PCI_ADDR(0, 8, 0, 0x7c), ~(0x00000010), 0x00000000,
		RES_PCI_IO, PCI_ADDR(0, 8, 0, 0xc8), ~(0x0fff0fff), 0x000a000a,
		RES_PCI_IO, PCI_ADDR(0, 8, 0, 0xd0), ~(0xf0000000), 0x00000000,
		RES_PCI_IO, PCI_ADDR(0, 8, 0, 0xe0), ~(0xf0000000), 0x00000000,

		RES_PORT_IO_32, ANACTRL_IO_BASE + 0x04, ~((0x3ff << 0) | (0x3ff << 10)), (0x21 << 0) | (0x22 << 10),

		RES_PORT_IO_32, ANACTRL_IO_BASE + 0x08, ~(0xfffff), (0x1c << 10) | 0x1b,

		RES_PORT_IO_32, ANACTRL_IO_BASE + 0x80, ~(1 << 3), 0x00000000,

		RES_PORT_IO_32, ANACTRL_IO_BASE + 0xcc, ~((7 << 4) | (1 << 8)), (CONFIG_CK804_PCI_E_X << 4) | (1 << 8),

		/* SYSCTRL */
		RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0 + 8, ~(0xff), ((0 << 4) | (0 << 2) | (0 << 0)),
		RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0 + 9, ~(0xff), ((0 << 4) | (1 << 2) | (1 << 0)),
#if CONFIG_CK804_USE_NIC
		RES_PCI_IO, PCI_ADDR(0, 0xa, 0, 0xf8), 0xffffffbf, 0x00000040,
		RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0 + 19, ~(0xff), ((0 << 4) | (1 << 2) | (0 << 0)),
		RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0 + 3, ~(0xff), ((0 << 4) | (1 << 2) | (0 << 0)),
		RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0 + 3, ~(0xff), ((0 << 4) | (1 << 2) | (1 << 0)),
		RES_PCI_IO, PCI_ADDR(0, 1, 0, 0xe4), ~(1 << 23), (1 << 23),
#endif

#if CONFIG_CK804_USE_ACI
		RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0 + 0x0d, ~(0xff), ((0 << 4) | (2 << 2) | (0 << 0)),
		RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0 + 0x1a, ~(0xff), ((0 << 4) | (2 << 2) | (0 << 0)),
#endif

#if IS_ENABLED(CONFIG_CK804_PCIE_PME_WAKE)
		RES_PCI_IO, PCI_ADDR(0, 1, 0, 0xe4), 0xffffffff, 0x00400000,
#else
		RES_PCI_IO, PCI_ADDR(0, 1, 0, 0xe4), 0xffbfffff, 0x00000000,
#endif
	};

	static const unsigned int ctrl_conf_multiple[] = {
		RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0 + 0, ~(3 << 2), (0 << 2),
	};

	static const unsigned int ctrl_conf_slave[] = {
		RES_PCI_IO, PCI_ADDR(0, 1, 2, 0x8c), 0xffff0000, 0x00009880,
		RES_PCI_IO, PCI_ADDR(0, 1, 2, 0x90), 0xffff000f, 0x000074a0,
		RES_PCI_IO, PCI_ADDR(0, 1, 2, 0xa0), 0xfffff0ff, 0x00000a00,

		RES_PCI_IO, PCI_ADDR(0, 0, 0, 0x48), 0xfffffffd, 0x00000002,
		RES_PCI_IO, PCI_ADDR(0, 0, 0, 0x74), 0xfffff00f, 0x000009d0,
		RES_PCI_IO, PCI_ADDR(0, 0, 0, 0x8c), 0xffff0000, 0x0000007f,
		RES_PCI_IO, PCI_ADDR(0, 0, 0, 0xcc), 0xfffffff8, 0x00000003,
		RES_PCI_IO, PCI_ADDR(0, 0, 0, 0xd0), 0xff000000, 0x00000000,
		RES_PCI_IO, PCI_ADDR(0, 0, 0, 0xd4), 0xff000000, 0x00000000,
		RES_PCI_IO, PCI_ADDR(0, 0, 0, 0xd8), 0xff000000, 0x00000000,
		RES_PCI_IO, PCI_ADDR(0, 0, 0, 0xdc), 0x7f000000, 0x00000000,

		RES_PCI_IO, PCI_ADDR(0, 1, 0, 0xf0), 0xfffffffd, 0x00000002,
		RES_PCI_IO, PCI_ADDR(0, 1, 0, 0xf8), 0xffffffcf, 0x00000010,

		RES_PCI_IO, PCI_ADDR(0, 9, 0, 0x40), 0xfff8ffff, 0x00030000,
		RES_PCI_IO, PCI_ADDR(0, 9, 0, 0x4c), 0xfe00ffff, 0x00440000,
		RES_PCI_IO, PCI_ADDR(0, 9, 0, 0x74), 0xffffffc0, 0x00000000,

		/*
		 * Avoid touching 0x78 for CONFIG_NORTHBRIDGE_AMD_AMDFAM10 for
		 * non-primary chains too???
		 */
		RES_PCI_IO, PCI_ADDR(0, 1, 0, 0x78), 0xc0ffffff, 0x20000000,
		RES_PCI_IO, PCI_ADDR(0, 1, 0, 0xe0), 0xfffffeff, 0x00000000,
		RES_PCI_IO, PCI_ADDR(0, 1, 0, 0xe8), 0xffffff00, 0x000000ff,

		RES_PORT_IO_32, ANACTRL_IO_BASE + 0x20, 0xe00fffff, 0x11000000,
		RES_PORT_IO_32, ANACTRL_IO_BASE + 0x24, 0xc3f0ffff, 0x24040000,
		RES_PORT_IO_32, ANACTRL_IO_BASE + 0x80, 0x8c3f04df, 0x51407120,
		RES_PORT_IO_32, ANACTRL_IO_BASE + 0x84, 0xffffff8f, 0x00000010,
		RES_PORT_IO_32, ANACTRL_IO_BASE + 0x94, 0xff00ffff, 0x00c00000,
		RES_PORT_IO_32, ANACTRL_IO_BASE + 0xcc, 0xf7ffffff, 0x00000000,

		RES_PORT_IO_32, ANACTRL_IO_BASE + 0x24, 0xfcffff0f, 0x020000b0,

		RES_PCI_IO, PCI_ADDR(0, 8, 0, 0x50), ~(0x1f000013), 0x15000013,
		RES_PCI_IO, PCI_ADDR(0, 8, 0, 0x64), ~(0x00000001), 0x00000001,
		RES_PCI_IO, PCI_ADDR(0, 8, 0, 0x68), ~(0x02000000), 0x02000000,
		RES_PCI_IO, PCI_ADDR(0, 8, 0, 0x70), ~(0x000f0000), 0x00040000,
		RES_PCI_IO, PCI_ADDR(0, 8, 0, 0xa0), ~(0x000001ff), 0x00000150,
		RES_PCI_IO, PCI_ADDR(0, 8, 0, 0xac), ~(0xffff8f00), 0x02aa8b00,
		RES_PCI_IO, PCI_ADDR(0, 8, 0, 0x7c), ~(0x00000010), 0x00000000,
		RES_PCI_IO, PCI_ADDR(0, 8, 0, 0xc8), ~(0x0fff0fff), 0x000a000a,
		RES_PCI_IO, PCI_ADDR(0, 8, 0, 0xd0), ~(0xf0000000), 0x00000000,
		RES_PCI_IO, PCI_ADDR(0, 8, 0, 0xe0), ~(0xf0000000), 0x00000000,

		RES_PORT_IO_32, ANACTRL_IO_BASE + 0x04, ~((0x3ff << 0) | (0x3ff << 10)), (0x21 << 0) | (0x22 << 10),

		RES_PORT_IO_32, ANACTRL_IO_BASE + 0x08, ~(0xfffff), (0x1c << 10) | 0x1b,

		/* This line doesn't exist in the non-CAR version. */
		RES_PORT_IO_32, ANACTRL_IO_BASE + 0x80, ~(1 << 3), 0x00000000,

		RES_PORT_IO_32, ANACTRL_IO_BASE + 0xcc, ~((7 << 4) | (1 << 8)), (CONFIG_CK804B_PCI_E_X << 4) | (1 << 8),

#if CONFIG_CK804_USE_NIC
		RES_PCI_IO, PCI_ADDR(0, 0xa, 0, 0xf8), 0xffffffbf, 0x00000040,
		RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0 + 19, ~(0xff), ((0 << 4) | (1 << 2) | (0 << 0)),
		RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0 + 3, ~(0xff), ((0 << 4) | (1 << 2) | (0 << 0)),
		RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0 + 3, ~(0xff), ((0 << 4) | (1 << 2) | (1 << 0)),
		RES_PCI_IO, PCI_ADDR(0, 1, 0, 0xe4), ~(1 << 23), (1 << 23),
#endif
	};

	int j;
	for (j = 0; j < ck804_num; j++) {
		if (busn[j] == 0) {
			setup_resource_map_x_offset(ctrl_conf_master,
				ARRAY_SIZE(ctrl_conf_master),
				PCI_DEV(0, CK804_DEVN_BASE, 0), io_base[0]);
			if (ck804_num > 1)
				setup_resource_map_x_offset(ctrl_conf_multiple,
					ARRAY_SIZE(ctrl_conf_multiple),
					PCI_DEV(0, CK804_DEVN_BASE, 0), 0);

			continue;
		}

		setup_resource_map_x_offset(ctrl_conf_slave,
			ARRAY_SIZE(ctrl_conf_slave),
			PCI_DEV(busn[j], CK804B_DEVN_BASE, 0), io_base[j]);
	}

	for (j = 0; j < ck804_num; j++) {
		/* PCI-E (XSPLL) SS table 0x40, x044, 0x48 */
		/* SATA  (SPPLL) SS table 0xb0, 0xb4, 0xb8 */
		/* CPU   (PPLL)  SS table 0xc0, 0xc4, 0xc8 */
		setup_ss_table(io_base[j] + ANACTRL_IO_BASE + 0x40,
			       io_base[j] + ANACTRL_IO_BASE + 0x44,
			       io_base[j] + ANACTRL_IO_BASE + 0x48,
			       pcie_ss_tbl, 64);
		setup_ss_table(io_base[j] + ANACTRL_IO_BASE + 0xb0,
			       io_base[j] + ANACTRL_IO_BASE + 0xb4,
			       io_base[j] + ANACTRL_IO_BASE + 0xb8,
			       sata_ss_tbl, 64);
		setup_ss_table(io_base[j] + ANACTRL_IO_BASE + 0xc0,
			       io_base[j] + ANACTRL_IO_BASE + 0xc4,
			       io_base[j] + ANACTRL_IO_BASE + 0xc8,
			       cpu_ss_tbl, 64);
	}
}

static int ck804_early_setup_x(void)
{
	unsigned busn[4], io_base[4];
	int i, ck804_num = 0;

	for (i = 0; i < 4; i++) {
		u32 id;
		device_t dev;
		if (i == 0) /* SB chain */
			dev = PCI_DEV(i * 0x40, CK804_DEVN_BASE, 0);
		else
			dev = PCI_DEV(i * 0x40, CK804B_DEVN_BASE, 0);
		id = pci_read_config32(dev, PCI_VENDOR_ID);
		if (id == 0x005e10de) {
			busn[ck804_num] = i * 0x40;
			io_base[ck804_num] = i * 0x4000;
			ck804_num++;
		}
	}

	printk(BIOS_DEBUG, "ck804_early_set_port(%d, %d, %d)\n", ck804_num, busn[0], io_base[0]);
	ck804_early_set_port(ck804_num, busn, io_base);
	printk(BIOS_DEBUG, "ck804_early_setup(%d, %d, %d)\n", ck804_num, busn[0], io_base[0]);
	ck804_early_setup(ck804_num, busn, io_base);
	printk(BIOS_DEBUG, "ck804_early_clear_port(%d, %d, %d)\n", ck804_num, busn[0], io_base[0]);
	ck804_early_clear_port(ck804_num, busn, io_base);

	return set_ht_link_ck804(4);
}

void hard_reset(void)
{
	set_bios_reset();

	/* full reset */
	outb(0x0a, 0x0cf9);
	outb(0x0e, 0x0cf9);
}

void soft_reset(void)
{
	set_bios_reset();

	/* link reset */
	outb(0x02, 0x0cf9);
	outb(0x06, 0x0cf9);
}