2 * This file is part of the coreboot project.
4 * Copyright (C) 2007-2008 coresystems GmbH
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; version 2 of the License.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 #ifndef __NORTHBRIDGE_INTEL_I945_I945_H__
21 #define __NORTHBRIDGE_INTEL_I945_I945_H__ 1
25 /* Device 0:0.0 PCI configuration space (Host Bridge) */
33 /* Northbridge BARs */
34 #define DEFAULT_PCIEXBAR 0xf0000000
35 #define DEFAULT_X60BAR 0xfed13000
36 #define DEFAULT_MCHBAR 0xfed14000
37 #define DEFAULT_DMIBAR 0xfed18000
38 #define DEFAULT_EPBAR 0xfed19000
43 #define DEVEN_D0F0 (1 << 0)
44 #define DEVEN_D1F0 (1 << 1)
45 #define DEVEN_D2F0 (1 << 3)
46 #define DEVEN_D2F1 (1 << 4)
48 #define BOARD_DEVEN ( DEVEN_D0F0 | DEVEN_D2F0 | DEVEN_D2F1 )
59 #define LAC 0x97 /* Legacy Access Control */
60 #define TOLUD 0x9c /* Top of Low Used Memory */
66 #define SKPAD 0xdc /* Scratchpad */
68 /* Device 0:1.0 PCI configuration space (PCI Express) */
70 #define BCTRL1 0x3e /* 8bit */
73 /* Device 0:2.0 PCI configuration space (Graphics Device) */
75 #define GCFC 0xf0 /* Graphics Clock Frequency and Gating Control */
82 #define MCHBAR8(x) *((volatile u8 *)(DEFAULT_MCHBAR + x))
83 #define MCHBAR16(x) *((volatile u16 *)(DEFAULT_MCHBAR + x))
84 #define MCHBAR32(x) *((volatile u32 *)(DEFAULT_MCHBAR + x))
86 /* Chipset Control Registers */
87 #define FSBPMC3 0x40 /* 32bit */
88 #define FSBPMC4 0x44 /* 32bit */
89 #define FSBSNPCTL 0x48 /* 32bit */
90 #define SLPCTL 0x90 /* 32bit */
92 #define C0DRB0 0x100 /* 8bit */
93 #define C0DRB1 0x101 /* 8bit */
94 #define C0DRB2 0x102 /* 8bit */
95 #define C0DRB3 0x103 /* 8bit */
96 #define C0DRA0 0x108 /* 8bit */
97 #define C0DRA2 0x109 /* 8bit */
98 #define C0DCLKDIS 0x10c /* 8bit */
99 #define C0BNKARC 0x10e /* 16bit */
100 #define C0DRT0 0x110 /* 32bit */
101 #define C0DRT1 0x114 /* 32bit */
102 #define C0DRT2 0x118 /* 32bit */
103 #define C0DRT3 0x11c /* 32bit */
104 #define C0DRC0 0x120 /* 32bit */
105 #define C0DRC1 0x124 /* 32bit */
106 #define C0DRC2 0x128 /* 32bit */
107 #define C0AIT 0x130 /* 64bit */
108 #define C0DCCFT 0x138 /* 64bit */
109 #define C0GTEW 0x140 /* 32bit */
110 #define C0GTC 0x144 /* 32bit */
111 #define C0DTPEW 0x148 /* 64bit */
112 #define C0DTAEW 0x150 /* 64bit */
113 #define C0DTC 0x158 /* 32bit */
114 #define C0DMC 0x164 /* 32bit */
115 #define C0ODT 0x168 /* 64bit */
117 #define C1DRB0 0x180 /* 8bit */
118 #define C1DRB1 0x181 /* 8bit */
119 #define C1DRB2 0x182 /* 8bit */
120 #define C1DRB3 0x183 /* 8bit */
121 #define C1DRA0 0x188 /* 8bit */
122 #define C1DCLKDIS 0x18c /* 8bit */
123 #define C1BNKARC 0x18e /* 16bit */
124 #define C1DRT0 0x190 /* 32bit */
125 #define C1DRT1 0x194 /* 32bit */
126 #define C1DRT2 0x198 /* 32bit */
127 #define C1DRT3 0x19c /* 32bit */
128 #define C1DRC0 0x1a0 /* 32bit */
129 #define C1DRC1 0x1a4 /* 32bit */
130 #define C1DRC2 0x1a8 /* 32bit */
131 #define C1AIT 0x1b0 /* 64bit */
132 #define C1DCCFT 0x1b8 /* 64bit */
133 #define C1GTEW 0x1c0 /* 32bit */
134 #define C1GTC 0x1c4 /* 32bit */
135 #define C1DTPEW 0x1c8 /* 64bit */
136 #define C1DTAEW 0x1d0 /* 64bit */
137 #define C1DTC 0x1d8 /* 32bit */
138 #define C1DMC 0x1e4 /* 32bit */
139 #define C1ODT 0x1e8 /* 64bit */
141 #define DCC 0x200 /* 32bit */
142 #define CCCFT 0x208 /* 64bit */
143 #define WCC 0x218 /* 32bit */
144 #define MMARB0 0x220 /* 32bit */
145 #define MMARB1 0x224 /* 32bit */
146 #define SBTEST 0x230 /* 32bit */
147 #define SBOCC 0x238 /* 32bit */
148 #define ODTC 0x284 /* 32bit */
149 #define SMVREFC 0x2a0 /* 32bit */
150 #define DRTST 0x2a8 /* 32bit */
151 #define REPC 0x2e0 /* 32bit */
152 #define DQSMT 0x2f4 /* 16bit */
153 #define RCVENMT 0x2f8 /* 32bit */
155 #define C0R0B00DQST 0x300 /* 64bit */
157 #define C0WL0REOST 0x340 /* 8bit */
158 #define C0WL1REOST 0x341 /* 8bit */
159 #define C0WL2REOST 0x342 /* 8bit */
160 #define C0WL3REOST 0x343 /* 8bit */
161 #define WDLLBYPMODE 0x360 /* 16bit */
162 #define C0WDLLCMC 0x36c /* 32bit */
163 #define C0HCTC 0x37c /* 8bit */
165 #define C1R0B00DQST 0x380 /* 64bit */
167 #define C1WL0REOST 0x3c0 /* 8bit */
168 #define C1WL1REOST 0x3c1 /* 8bit */
169 #define C1WL2REOST 0x3c2 /* 8bit */
170 #define C1WL3REOST 0x3c3 /* 8bit */
171 #define C1WDLLCMC 0x3ec /* 32bit */
172 #define C1HCTC 0x3fc /* 8bit */
174 #define GBRCOMPCTL 0x400 /* 32bit */
176 #define SMSRCTL 0x408 /* XXX who knows */
177 #define C0DRAMW 0x40c /* 16bit */
178 #define G1SC 0x410 /* 8bit */
179 #define G2SC 0x418 /* 8bit */
180 #define G3SC 0x420 /* 8bit */
181 #define G4SC 0x428 /* 8bit */
182 #define G5SC 0x430 /* 8bit */
183 #define G6SC 0x438 /* 8bit */
185 #define C1DRAMW 0x48c /* 16bit */
186 #define G7SC 0x490 /* 8bit */
187 #define G8SC 0x498 /* 8bit */
189 #define G1SRPUT 0x500 /* 256bit */
190 #define G1SRPDT 0x520 /* 256bit */
191 #define G2SRPUT 0x540 /* 256bit */
192 #define G2SRPDT 0x560 /* 256bit */
193 #define G3SRPUT 0x580 /* 256bit */
194 #define G3SRPDT 0x5a0 /* 256bit */
195 #define G4SRPUT 0x5c0 /* 256bit */
196 #define G4SRPDT 0x5e0 /* 256bit */
197 #define G5SRPUT 0x600 /* 256bit */
198 #define G5SRPDT 0x620 /* 256bit */
199 #define G6SRPUT 0x640 /* 256bit */
200 #define G6SRPDT 0x660 /* 256bit */
201 #define G7SRPUT 0x680 /* 256bit */
202 #define G7SRPDT 0x6a0 /* 256bit */
203 #define G8SRPUT 0x6c0 /* 256bit */
204 #define G8SRPDT 0x6e0 /* 256bit */
207 #define CLKCFG 0xc00 /* 32bit */
208 #define UPMC1 0xc14 /* 16bit */
209 #define CPCTL 0xc16 /* 16bit */
210 #define SSKPD 0xc1c /* 16bit (scratchpad) */
211 #define UPMC2 0xc20 /* 16bit */
212 #define UPMC4 0xc30 /* 32bit */
213 #define PLLMON 0xc34 /* 32bit */
214 #define HGIPMC2 0xc38 /* 32bit */
216 /* Thermal Management Controls */
217 #define TSC1 0xc88 /* 8bit */
218 #define TSS1 0xc8a /* 8bit */
219 #define TR1 0xc8b /* 8bit */
220 #define TSTTP1 0xc8c /* 32bit */
221 #define TCO1 0xc92 /* 8bit */
222 #define THERM1_1 0xc94 /* 8bit */
223 #define TCOF1 0xc96 /* 8bit */
224 #define TIS1 0xc9a /* 16bit */
225 #define TSTTP1_2 0xc9c /* 32bit */
226 #define IUB 0xcd0 /* 32bit */
227 #define TSC0_1 0xcd8 /* 8bit */
228 #define TSS0 0xcda /* 8bit */
229 #define TR0 0xcdb /* 8bit */
230 #define TSTTP0_1 0xcdc /* 32bit */
231 #define TCO0 0xce2 /* 8bit */
232 #define THERM0_1 0xce4 /* 8bit */
233 #define TCOF0 0xce6 /* 8bit */
234 #define TIS0 0xcea /* 16bit */
235 #define TSTTP0_2 0xcec /* 32bit */
236 #define TERRCMD 0xcf0 /* 8bit */
237 #define TSMICMD 0xcf1 /* 8bit */
238 #define TSCICMD 0xcf2 /* 8bit */
239 #define TINTRCMD 0xcf3 /* 8bit */
240 #define EXTTSCS 0xcff /* 8bit */
241 #define DFT_STRAP1 0xe08 /* 32bit */
243 /* ACPI Power Management Controls */
245 #define MIPMC3 0xbd8 /* 32bit */
247 #define C2C3TT 0xf00 /* 32bit */
248 #define C3C4TT 0xf04 /* 32bit */
250 #define MIPMC4 0xf08 /* 16bit */
251 #define MIPMC5 0xf0a /* 16bit */
252 #define MIPMC6 0xf0c /* 16bit */
253 #define MIPMC7 0xf0e /* 16bit */
254 #define PMCFG 0xf10 /* 32bit */
255 #define SLFRCS 0xf14 /* 32bit */
256 #define GIPMC1 0xfb0 /* 32bit */
257 #define FSBPMC1 0xfb8 /* 32bit */
258 #define UPMC3 0xfc0 /* 32bit */
259 #define ECO 0xffc /* 32bit */
262 * EPBAR - Egress Port Root Complex Register Block
265 #define EPBAR8(x) *((volatile u8 *)(DEFAULT_EPBAR + x))
266 #define EPBAR16(x) *((volatile u16 *)(DEFAULT_EPBAR + x))
267 #define EPBAR32(x) *((volatile u32 *)(DEFAULT_EPBAR + x))
269 #define EPPVCCAP1 0x004 /* 32bit */
270 #define EPPVCCAP2 0x008 /* 32bit */
272 #define EPVC0RCAP 0x010 /* 32bit */
273 #define EPVC0RCTL 0x014 /* 32bit */
274 #define EPVC0RSTS 0x01a /* 16bit */
276 #define EPVC1RCAP 0x01c /* 32bit */
277 #define EPVC1RCTL 0x020 /* 32bit */
278 #define EPVC1RSTS 0x026 /* 16bit */
280 #define EPVC1MTS 0x028 /* 32bit */
281 #define EPVC1IST 0x038 /* 64bit */
283 #define EPESD 0x044 /* 32bit */
285 #define EPLE1D 0x050 /* 32bit */
286 #define EPLE1A 0x058 /* 64bit */
287 #define EPLE2D 0x060 /* 32bit */
288 #define EPLE2A 0x068 /* 64bit */
290 #define PORTARB 0x100 /* 256bit */
296 #define DMIBAR8(x) *((volatile u8 *)(DEFAULT_DMIBAR + x))
297 #define DMIBAR16(x) *((volatile u16 *)(DEFAULT_DMIBAR + x))
298 #define DMIBAR32(x) *((volatile u32 *)(DEFAULT_DMIBAR + x))
300 #define DMIVCECH 0x000 /* 32bit */
301 #define DMIPVCCAP1 0x004 /* 32bit */
302 #define DMIPVCCAP2 0x008 /* 32bit */
304 #define DMIPVCCCTL 0x00c /* 16bit */
306 #define DMIVC0RCAP 0x010 /* 32bit */
307 #define DMIVC0RCTL0 0x014 /* 32bit */
308 #define DMIVC0RSTS 0x01a /* 16bit */
310 #define DMIVC1RCAP 0x01c /* 32bit */
311 #define DMIVC1RCTL 0x020 /* 32bit */
312 #define DMIVC1RSTS 0x026 /* 16bit */
314 #define DMILE1D 0x050 /* 32bit */
315 #define DMILE1A 0x058 /* 64bit */
316 #define DMILE2D 0x060 /* 32bit */
317 #define DMILE2A 0x068 /* 64bit */
319 #define DMILCAP 0x084 /* 32bit */
320 #define DMILCTL 0x088 /* 16bit */
321 #define DMILSTS 0x08a /* 16bit */
323 #define DMICTL1 0x0f0 /* 32bit */
324 #define DMICTL2 0x0fc /* 32bit */
326 #define DMICC 0x208 /* 32bit */
328 #define DMIDRCCFG 0xeb4 /* 32bit */