2 * Copyright (c) 2005 Cisco Systems. All rights reserved.
3 * Roland Dreier <rolandd@cisco.com>
5 * SPDX-License-Identifier: GPL-2.0+
11 #include <asm/ppc4xx.h>
14 #define DCRN_SDR0_CFGADDR 0x00e
15 #define DCRN_SDR0_CFGDATA 0x00f
17 #if defined(CONFIG_440SPE)
18 #define CONFIG_SYS_PCIE_NR_PORTS 3
20 #define CONFIG_SYS_PCIE_ADDR_HIGH 0x0000000d
22 #define DCRN_PCIE0_BASE 0x100
23 #define DCRN_PCIE1_BASE 0x120
24 #define DCRN_PCIE2_BASE 0x140
26 #define PCIE0_SDR 0x300
27 #define PCIE1_SDR 0x340
28 #define PCIE2_SDR 0x370
31 #if defined(CONFIG_460EX) || defined(CONFIG_460GT)
32 #define CONFIG_SYS_PCIE_NR_PORTS 2
34 #define CONFIG_SYS_PCIE_ADDR_HIGH 0x0000000d
36 #define DCRN_PCIE0_BASE 0x100
37 #define DCRN_PCIE1_BASE 0x120
39 #define PCIE0_SDR 0x300
40 #define PCIE1_SDR 0x340
43 #if defined(CONFIG_405EX)
44 #define CONFIG_SYS_PCIE_NR_PORTS 2
46 #define CONFIG_SYS_PCIE_ADDR_HIGH 0x00000000
48 #define DCRN_PCIE0_BASE 0x040
49 #define DCRN_PCIE1_BASE 0x060
51 #define PCIE0_SDR 0x400
52 #define PCIE1_SDR 0x440
55 #define PCIE0 DCRN_PCIE0_BASE
56 #define PCIE1 DCRN_PCIE1_BASE
57 #define PCIE2 DCRN_PCIE2_BASE
59 #define DCRN_PEGPL_CFGBAH(base) (base + 0x00)
60 #define DCRN_PEGPL_CFGBAL(base) (base + 0x01)
61 #define DCRN_PEGPL_CFGMSK(base) (base + 0x02)
62 #define DCRN_PEGPL_MSGBAH(base) (base + 0x03)
63 #define DCRN_PEGPL_MSGBAL(base) (base + 0x04)
64 #define DCRN_PEGPL_MSGMSK(base) (base + 0x05)
65 #define DCRN_PEGPL_OMR1BAH(base) (base + 0x06)
66 #define DCRN_PEGPL_OMR1BAL(base) (base + 0x07)
67 #define DCRN_PEGPL_OMR1MSKH(base) (base + 0x08)
68 #define DCRN_PEGPL_OMR1MSKL(base) (base + 0x09)
69 #define DCRN_PEGPL_REGBAH(base) (base + 0x12)
70 #define DCRN_PEGPL_REGBAL(base) (base + 0x13)
71 #define DCRN_PEGPL_REGMSK(base) (base + 0x14)
72 #define DCRN_PEGPL_SPECIAL(base) (base + 0x15)
73 #define DCRN_PEGPL_CFG(base) (base + 0x16)
78 #define PESDR0_PLLLCT1 0x03a0
79 #define PESDR0_PLLLCT2 0x03a1
80 #define PESDR0_PLLLCT3 0x03a2
82 /* common regs, at for all 4xx with PCIe core */
83 #define SDRN_PESDR_UTLSET1(n) (sdr_base(n) + 0x00)
84 #define SDRN_PESDR_UTLSET2(n) (sdr_base(n) + 0x01)
85 #define SDRN_PESDR_DLPSET(n) (sdr_base(n) + 0x02)
86 #define SDRN_PESDR_LOOP(n) (sdr_base(n) + 0x03)
87 #define SDRN_PESDR_RCSSET(n) (sdr_base(n) + 0x04)
88 #define SDRN_PESDR_RCSSTS(n) (sdr_base(n) + 0x05)
90 #if defined(CONFIG_440SPE)
91 #define SDRN_PESDR_HSSL0SET1(n) (sdr_base(n) + 0x06)
92 #define SDRN_PESDR_HSSL0SET2(n) (sdr_base(n) + 0x07)
93 #define SDRN_PESDR_HSSL0STS(n) (sdr_base(n) + 0x08)
94 #define SDRN_PESDR_HSSL1SET1(n) (sdr_base(n) + 0x09)
95 #define SDRN_PESDR_HSSL1SET2(n) (sdr_base(n) + 0x0a)
96 #define SDRN_PESDR_HSSL1STS(n) (sdr_base(n) + 0x0b)
97 #define SDRN_PESDR_HSSL2SET1(n) (sdr_base(n) + 0x0c)
98 #define SDRN_PESDR_HSSL2SET2(n) (sdr_base(n) + 0x0d)
99 #define SDRN_PESDR_HSSL2STS(n) (sdr_base(n) + 0x0e)
100 #define SDRN_PESDR_HSSL3SET1(n) (sdr_base(n) + 0x0f)
101 #define SDRN_PESDR_HSSL3SET2(n) (sdr_base(n) + 0x10)
102 #define SDRN_PESDR_HSSL3STS(n) (sdr_base(n) + 0x11)
104 #define PESDR0_UTLSET1 0x0300
105 #define PESDR0_UTLSET2 0x0301
106 #define PESDR0_DLPSET 0x0302
107 #define PESDR0_LOOP 0x0303
108 #define PESDR0_RCSSET 0x0304
109 #define PESDR0_RCSSTS 0x0305
110 #define PESDR0_HSSL0SET1 0x0306
111 #define PESDR0_HSSL0SET2 0x0307
112 #define PESDR0_HSSL0STS 0x0308
113 #define PESDR0_HSSL1SET1 0x0309
114 #define PESDR0_HSSL1SET2 0x030a
115 #define PESDR0_HSSL1STS 0x030b
116 #define PESDR0_HSSL2SET1 0x030c
117 #define PESDR0_HSSL2SET2 0x030d
118 #define PESDR0_HSSL2STS 0x030e
119 #define PESDR0_HSSL3SET1 0x030f
120 #define PESDR0_HSSL3SET2 0x0310
121 #define PESDR0_HSSL3STS 0x0311
122 #define PESDR0_HSSL4SET1 0x0312
123 #define PESDR0_HSSL4SET2 0x0313
124 #define PESDR0_HSSL4STS 0x0314
125 #define PESDR0_HSSL5SET1 0x0315
126 #define PESDR0_HSSL5SET2 0x0316
127 #define PESDR0_HSSL5STS 0x0317
128 #define PESDR0_HSSL6SET1 0x0318
129 #define PESDR0_HSSL6SET2 0x0319
130 #define PESDR0_HSSL6STS 0x031a
131 #define PESDR0_HSSL7SET1 0x031b
132 #define PESDR0_HSSL7SET2 0x031c
133 #define PESDR0_HSSL7STS 0x031d
134 #define PESDR0_HSSCTLSET 0x031e
135 #define PESDR0_LANE_ABCD 0x031f
136 #define PESDR0_LANE_EFGH 0x0320
138 #define PESDR1_UTLSET1 0x0340
139 #define PESDR1_UTLSET2 0x0341
140 #define PESDR1_DLPSET 0x0342
141 #define PESDR1_LOOP 0x0343
142 #define PESDR1_RCSSET 0x0344
143 #define PESDR1_RCSSTS 0x0345
144 #define PESDR1_HSSL0SET1 0x0346
145 #define PESDR1_HSSL0SET2 0x0347
146 #define PESDR1_HSSL0STS 0x0348
147 #define PESDR1_HSSL1SET1 0x0349
148 #define PESDR1_HSSL1SET2 0x034a
149 #define PESDR1_HSSL1STS 0x034b
150 #define PESDR1_HSSL2SET1 0x034c
151 #define PESDR1_HSSL2SET2 0x034d
152 #define PESDR1_HSSL2STS 0x034e
153 #define PESDR1_HSSL3SET1 0x034f
154 #define PESDR1_HSSL3SET2 0x0350
155 #define PESDR1_HSSL3STS 0x0351
156 #define PESDR1_HSSCTLSET 0x0352
157 #define PESDR1_LANE_ABCD 0x0353
159 #define PESDR2_UTLSET1 0x0370
160 #define PESDR2_UTLSET2 0x0371
161 #define PESDR2_DLPSET 0x0372
162 #define PESDR2_LOOP 0x0373
163 #define PESDR2_RCSSET 0x0374
164 #define PESDR2_RCSSTS 0x0375
165 #define PESDR2_HSSL0SET1 0x0376
166 #define PESDR2_HSSL0SET2 0x0377
167 #define PESDR2_HSSL0STS 0x0378
168 #define PESDR2_HSSL1SET1 0x0379
169 #define PESDR2_HSSL1SET2 0x037a
170 #define PESDR2_HSSL1STS 0x037b
171 #define PESDR2_HSSL2SET1 0x037c
172 #define PESDR2_HSSL2SET2 0x037d
173 #define PESDR2_HSSL2STS 0x037e
174 #define PESDR2_HSSL3SET1 0x037f
175 #define PESDR2_HSSL3SET2 0x0380
176 #define PESDR2_HSSL3STS 0x0381
177 #define PESDR2_HSSCTLSET 0x0382
178 #define PESDR2_LANE_ABCD 0x0383
180 #elif defined(CONFIG_405EX)
182 #define SDRN_PESDR_PHYSET1(n) (sdr_base(n) + 0x06)
183 #define SDRN_PESDR_PHYSET2(n) (sdr_base(n) + 0x07)
184 #define SDRN_PESDR_BIST(n) (sdr_base(n) + 0x08)
185 #define SDRN_PESDR_LPB(n) (sdr_base(n) + 0x0b)
186 #define SDRN_PESDR_PHYSTA(n) (sdr_base(n) + 0x0c)
188 #define PESDR0_UTLSET1 0x0400
189 #define PESDR0_UTLSET2 0x0401
190 #define PESDR0_DLPSET 0x0402
191 #define PESDR0_LOOP 0x0403
192 #define PESDR0_RCSSET 0x0404
193 #define PESDR0_RCSSTS 0x0405
194 #define PESDR0_PHYSET1 0x0406
195 #define PESDR0_PHYSET2 0x0407
196 #define PESDR0_BIST 0x0408
197 #define PESDR0_LPB 0x040B
198 #define PESDR0_PHYSTA 0x040C
200 #define PESDR1_UTLSET1 0x0440
201 #define PESDR1_UTLSET2 0x0441
202 #define PESDR1_DLPSET 0x0442
203 #define PESDR1_LOOP 0x0443
204 #define PESDR1_RCSSET 0x0444
205 #define PESDR1_RCSSTS 0x0445
206 #define PESDR1_PHYSET1 0x0446
207 #define PESDR1_PHYSET2 0x0447
208 #define PESDR1_BIST 0x0448
209 #define PESDR1_LPB 0x044B
210 #define PESDR1_PHYSTA 0x044C
212 #elif defined(CONFIG_460EX) || defined(CONFIG_460GT)
214 #define PESDR0_L0BIST 0x0308 /* PE0 L0 built in self test */
215 #define PESDR0_L0BISTSTS 0x0309 /* PE0 L0 built in self test status */
216 #define PESDR0_L0CDRCTL 0x030A /* PE0 L0 CDR control */
217 #define PESDR0_L0DRV 0x030B /* PE0 L0 drive */
218 #define PESDR0_L0REC 0x030C /* PE0 L0 receiver */
219 #define PESDR0_L0LPB 0x030D /* PE0 L0 loopback */
220 #define PESDR0_L0CLK 0x030E /* PE0 L0 clocking */
221 #define PESDR0_PHY_CTL_RST 0x030F /* PE0 PHY control reset */
222 #define PESDR0_RSTSTA 0x0310 /* PE0 reset status */
223 #define PESDR0_OBS 0x0311 /* PE0 observation register */
224 #define PESDR0_L0ERRC 0x0320 /* PE0 L0 error counter */
226 #define PESDR1_L0BIST 0x0348 /* PE1 L0 built in self test */
227 #define PESDR1_L1BIST 0x0349 /* PE1 L1 built in self test */
228 #define PESDR1_L2BIST 0x034A /* PE1 L2 built in self test */
229 #define PESDR1_L3BIST 0x034B /* PE1 L3 built in self test */
230 #define PESDR1_L0BISTSTS 0x034C /* PE1 L0 built in self test status */
231 #define PESDR1_L1BISTSTS 0x034D /* PE1 L1 built in self test status */
232 #define PESDR1_L2BISTSTS 0x034E /* PE1 L2 built in self test status */
233 #define PESDR1_L3BISTSTS 0x034F /* PE1 L3 built in self test status */
234 #define PESDR1_L0CDRCTL 0x0350 /* PE1 L0 CDR control */
235 #define PESDR1_L1CDRCTL 0x0351 /* PE1 L1 CDR control */
236 #define PESDR1_L2CDRCTL 0x0352 /* PE1 L2 CDR control */
237 #define PESDR1_L3CDRCTL 0x0353 /* PE1 L3 CDR control */
238 #define PESDR1_L0DRV 0x0354 /* PE1 L0 drive */
239 #define PESDR1_L1DRV 0x0355 /* PE1 L1 drive */
240 #define PESDR1_L2DRV 0x0356 /* PE1 L2 drive */
241 #define PESDR1_L3DRV 0x0357 /* PE1 L3 drive */
242 #define PESDR1_L0REC 0x0358 /* PE1 L0 receiver */
243 #define PESDR1_L1REC 0x0359 /* PE1 L1 receiver */
244 #define PESDR1_L2REC 0x035A /* PE1 L2 receiver */
245 #define PESDR1_L3REC 0x035B /* PE1 L3 receiver */
246 #define PESDR1_L0LPB 0x035C /* PE1 L0 loopback */
247 #define PESDR1_L1LPB 0x035D /* PE1 L1 loopback */
248 #define PESDR1_L2LPB 0x035E /* PE1 L2 loopback */
249 #define PESDR1_L3LPB 0x035F /* PE1 L3 loopback */
250 #define PESDR1_L0CLK 0x0360 /* PE1 L0 clocking */
251 #define PESDR1_L1CLK 0x0361 /* PE1 L1 clocking */
252 #define PESDR1_L2CLK 0x0362 /* PE1 L2 clocking */
253 #define PESDR1_L3CLK 0x0363 /* PE1 L3 clocking */
254 #define PESDR1_PHY_CTL_RST 0x0364 /* PE1 PHY control reset */
255 #define PESDR1_RSTSTA 0x0365 /* PE1 reset status */
256 #define PESDR1_OBS 0x0366 /* PE1 observation register */
257 #define PESDR1_L0ERRC 0x0368 /* PE1 L0 error counter */
258 #define PESDR1_L1ERRC 0x0369 /* PE1 L1 error counter */
259 #define PESDR1_L2ERRC 0x036A /* PE1 L2 error counter */
260 #define PESDR1_L3ERRC 0x036B /* PE1 L3 error counter */
261 #define PESDR0_IHS1 0x036C /* PE interrupt handler interfact setting 1 */
262 #define PESDR0_IHS2 0x036D /* PE interrupt handler interfact setting 2 */
266 /* SDR Bit Mappings */
267 #define PESDRx_RCSSET_HLDPLB 0x10000000
268 #define PESDRx_RCSSET_RSTGU 0x01000000
269 #define PESDRx_RCSSET_RDY 0x00100000
270 #define PESDRx_RCSSET_RSTDL 0x00010000
271 #define PESDRx_RCSSET_RSTPYN 0x00001000
273 #define PESDRx_RCSSTS_PLBIDL 0x10000000
274 #define PESDRx_RCSSTS_HRSTRQ 0x01000000
275 #define PESDRx_RCSSTS_PGRST 0x00100000
276 #define PESDRx_RCSSTS_VC0ACT 0x00010000
277 #define PESDRx_RCSSTS_BMEN 0x00000100
280 * UTL register offsets
282 #define PEUTL_PBCTL 0x00
283 #define PEUTL_PBBSZ 0x20
284 #define PEUTL_OPDBSZ 0x68
285 #define PEUTL_IPHBSZ 0x70
286 #define PEUTL_IPDBSZ 0x78
287 #define PEUTL_OUTTR 0x90
288 #define PEUTL_INTR 0x98
289 #define PEUTL_PCTL 0xa0
290 #define PEUTL_RCSTA 0xb0
291 #define PEUTL_RCIRQEN 0xb8
294 * Config space register offsets
296 #define PECFG_BAR0LMPA 0x210
297 #define PECFG_BAR0HMPA 0x214
298 #define PECFG_BAR1MPA 0x218
299 #define PECFG_BAR2LMPA 0x220
300 #define PECFG_BAR2HMPA 0x224
302 #define PECFG_PIMEN 0x33c
303 #define PECFG_PIM0LAL 0x340
304 #define PECFG_PIM0LAH 0x344
305 #define PECFG_PIM1LAL 0x348
306 #define PECFG_PIM1LAH 0x34c
307 #define PECFG_PIM01SAL 0x350
308 #define PECFG_PIM01SAH 0x354
310 #define PECFG_POM0LAL 0x380
311 #define PECFG_POM0LAH 0x384
313 #define SDR_READ(offset) ({\
314 mtdcr(DCRN_SDR0_CFGADDR, offset); \
315 mfdcr(DCRN_SDR0_CFGDATA);})
317 #define SDR_WRITE(offset, data) ({\
318 mtdcr(DCRN_SDR0_CFGADDR, offset); \
319 mtdcr(DCRN_SDR0_CFGDATA,data);})
321 #define GPL_DMER_MASK_DISA 0x02000000
323 #define U64_TO_U32_LOW(val) ((u32)((val) & 0x00000000ffffffffULL))
324 #define U64_TO_U32_HIGH(val) ((u32)((val) >> 32))
329 int ppc4xx_init_pcie(void);
330 int ppc4xx_init_pcie_rootport(int port);
331 int ppc4xx_init_pcie_endport(int port);
332 void ppc4xx_setup_pcie_rootpoint(struct pci_controller *hose, int port);
333 int ppc4xx_setup_pcie_endpoint(struct pci_controller *hose, int port);
334 int pcie_hose_scan(struct pci_controller *hose, int bus);
337 * Function to determine root port or endport from env variable.
339 static inline int is_end_point(int port)
342 char *pcie_mode = getenv("pcie_mode");
344 if (pcie_mode == NULL)
347 strcpy(s, pcie_mode);
353 if (!(strcmp(tk, "ep") && strcmp(tk, "EP")))
362 tk = strtok(NULL, ":");
364 if (!(strcmp(tk, "ep") && strcmp(tk, "EP")))
373 tk = strtok(NULL, ":");
375 tk = strtok(NULL, ":");
377 if (!(strcmp(tk, "ep") && strcmp(tk, "EP")))
389 #if defined(PCIE0_SDR)
390 static inline u32 sdr_base(int port)
393 default: /* to satisfy compiler */
398 #if CONFIG_SYS_PCIE_NR_PORTS > 2
404 #endif /* defined(PCIE0_SDR) */
406 #endif /* __4XX_PCIE_H */