1 /*
2  *(C) Copyright 2005-2009 Netstal Maschinen AG
3  *    Bruno Hars (Bruno.Hars@netstal.com)
4  *    Niklaus Giger (Niklaus.Giger@netstal.com)
5  *
6  *    This source code is free software; you can redistribute it
7  *    and/or modify it in source code form under the terms of the GNU
8  *    General Public License as published by the Free Software
9  *    Foundation; either version 2 of the License, or (at your option)
10  *    any later version.
11  *
12  *    This program is distributed in the hope that it will be useful,
13  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
14  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  *    GNU General Public License for more details.
16  *
17  *    You should have received a copy of the GNU General Public License
18  *    along with this program; if not, write to the Free Software
19  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
20  */
21 
22 /*
23  * reginfo.c - register dump of HW-configuratin register for PPC4xx based board
24  */
25 
26 #include <common.h>
27 #include <command.h>
28 #include <asm/processor.h>
29 #include <asm/io.h>
30 #include <asm/ppc4xx-uic.h>
31 #include <ppc4xx_enet.h>
32 
33 enum REGISTER_TYPE {
34 	IDCR1,	/* Indirectly Accessed DCR via SDRAM0_CFGADDR/SDRAM0_CFGDATA */
35 	IDCR2,	/* Indirectly Accessed DCR via EBC0_CFGADDR/EBC0_CFGDATA */
36 	IDCR3,	/* Indirectly Accessed DCR via EBM0_CFGADDR/EBM0_CFGDATA */
37 	IDCR4,	/* Indirectly Accessed DCR via PPM0_CFGADDR/PPM0_CFGDATA */
38 	IDCR5,	/* Indirectly Accessed DCR via CPR0_CFGADDR/CPR0_CFGDATA */
39 	IDCR6,	/* Indirectly Accessed DCR via SDR0_CFGADDR/SDR0_CFGDATA */
40 	MM	/* Directly Accessed MMIO Register */
41 };
42 
43 struct cpu_register {
44 	char *name;
45 	enum REGISTER_TYPE type;
46 	u32 address;
47 };
48 
49 /*
50  * PPC440EPx registers ordered for output
51  * name           type    addr            size
52  * -------------------------------------------
53  */
54 
55 const struct cpu_register ppc4xx_reg[] = {
56 	{"PB0CR",		IDCR2,	PB0CR},
57 	{"PB0AP",		IDCR2,	PB0AP},
58 	{"PB1CR",		IDCR2,	PB1CR},
59 	{"PB1AP",		IDCR2,	PB1AP},
60 	{"PB2CR",		IDCR2,	PB2CR},
61 	{"PB2AP",		IDCR2,	PB2AP},
62 	{"PB3CR",		IDCR2,	PB3CR},
63 	{"PB3AP",		IDCR2,	PB3AP},
64 
65 	{"PB4CR",		IDCR2,	PB4CR},
66 	{"PB4AP",		IDCR2,	PB4AP},
67 #if !defined(CONFIG_405EP)
68 	{"PB5CR",		IDCR2,	PB5CR},
69 	{"PB5AP",		IDCR2,	PB5AP},
70 	{"PB6CR",		IDCR2,	PB6CR},
71 	{"PB6AP",		IDCR2,	PB6AP},
72 	{"PB7CR",		IDCR2,	PB7CR},
73 	{"PB7AP",		IDCR2,	PB7AP},
74 #endif
75 
76 	{"PBEAR",		IDCR2,	PBEAR},
77 #if defined(CONFIG_405EP) || defined (CONFIG_405GP)
78 	{"PBESR0",		IDCR2,	PBESR0},
79 	{"PBESR1",		IDCR2,	PBESR1},
80 #endif
81 	{"EBC0_CFG",		IDCR2,	EBC0_CFG},
82 
83 #ifdef CONFIG_405GP
84 	{"SDRAM0_BESR0",	IDCR1,	SDRAM0_BESR0},
85 	{"SDRAM0_BESRS0",	IDCR1,	SDRAM0_BESRS0},
86 	{"SDRAM0_BESR1",	IDCR1,	SDRAM0_BESR1},
87 	{"SDRAM0_BESRS1",	IDCR1,	SDRAM0_BESRS1},
88 	{"SDRAM0_BEAR",		IDCR1,	SDRAM0_BEAR},
89 	{"SDRAM0_CFG",		IDCR1,	SDRAM0_CFG},
90 	{"SDRAM0_RTR",		IDCR1,	SDRAM0_RTR},
91 	{"SDRAM0_PMIT",		IDCR1,	SDRAM0_PMIT},
92 
93 	{"SDRAM0_B0CR",		IDCR1,	SDRAM0_B0CR},
94 	{"SDRAM0_B1CR",		IDCR1,	SDRAM0_B1CR},
95 	{"SDRAM0_B2CR",		IDCR1,	SDRAM0_B2CR},
96 	{"SDRAM0_B3CR",		IDCR1,	SDRAM0_B1CR},
97 	{"SDRAM0_TR",		IDCR1,	SDRAM0_TR},
98 	{"SDRAM0_ECCCFG",	IDCR1,	SDRAM0_B1CR},
99 	{"SDRAM0_ECCESR",	IDCR1,	SDRAM0_ECCESR},
100 
101 
102 #endif
103 
104 #ifdef CONFIG_440EPX
105 	{"SDR0_SDSTP0",		IDCR6,	SDR0_SDSTP0},
106 	{"SDR0_SDSTP1",		IDCR6,	SDR0_SDSTP1},
107 	{"SDR0_SDSTP2",		IDCR6,	SDR0_SDSTP2},
108 	{"SDR0_SDSTP3",		IDCR6,	SDR0_SDSTP3},
109 	{"SDR0_CUST0",		IDCR6,	SDR0_CUST0},
110 	{"SDR0_CUST1",		IDCR6,	SDR0_CUST1},
111 	{"SDR0_EBC0",		IDCR6,	SDR0_EBC0},
112 	{"SDR0_AMP0",		IDCR6,	SD0_AMP0},
113 	{"SDR0_AMP1",		IDCR6,	SD0_AMP1},
114 	{"SDR0_CP440",		IDCR6,	SDR0_CP440},
115 	{"SDR0_CRYP0",		IDCR6,	SDR0_CRYP0},
116 	{"SDR0_DDRCFG",		IDCR6,	SDR0_DDRCFG},
117 	{"SDR0_EMAC0RXST",	IDCR6,	SDR0_EMAC0RXST},
118 	{"SDR0_EMAC0TXST",	IDCR6,	SDR0_EMAC0TXST},
119 	{"SDR0_MFR",		IDCR6,	SDR0_MFR},
120 	{"SDR0_PCI0",		IDCR6,	SDR0_PCI0},
121 	{"SDR0_PFC0",		IDCR6,	SDR0_PFC0},
122 	{"SDR0_PFC1",		IDCR6,	SDR0_PFC1},
123 	{"SDR0_PFC2",		IDCR6,	SDR0_PFC2},
124 	{"SDR0_PFC4",		IDCR6,	SDR0_PFC4},
125 	{"SDR0_UART0",		IDCR6,	SDR0_UART0},
126 	{"SDR0_UART1",		IDCR6,	SDR0_UART1},
127 	{"SDR0_UART2",		IDCR6,	SDR0_UART2},
128 	{"SDR0_UART3",		IDCR6,	SDR0_UART3},
129 	{"DDR0_02",		IDCR1,	DDR0_02},
130 	{"DDR0_00",		IDCR1,	DDR0_00},
131 	{"DDR0_01",		IDCR1,	DDR0_01},
132 	{"DDR0_03",		IDCR1,	DDR0_03},
133 	{"DDR0_04",		IDCR1,	DDR0_04},
134 	{"DDR0_05",		IDCR1,	DDR0_05},
135 	{"DDR0_06",		IDCR1,	DDR0_06},
136 	{"DDR0_07",		IDCR1,	DDR0_07},
137 	{"DDR0_08",		IDCR1,	DDR0_08},
138 	{"DDR0_09",		IDCR1,	DDR0_09},
139 	{"DDR0_10",		IDCR1,	DDR0_10},
140 	{"DDR0_11",		IDCR1,	DDR0_11},
141 	{"DDR0_12",		IDCR1,	DDR0_12},
142 	{"DDR0_14",		IDCR1,	DDR0_14},
143 	{"DDR0_17",		IDCR1,	DDR0_17},
144 	{"DDR0_18",		IDCR1,	DDR0_18},
145 	{"DDR0_19",		IDCR1,	DDR0_19},
146 	{"DDR0_20",		IDCR1,	DDR0_20},
147 	{"DDR0_21",		IDCR1,	DDR0_21},
148 	{"DDR0_22",		IDCR1,	DDR0_22},
149 	{"DDR0_23",		IDCR1,	DDR0_23},
150 	{"DDR0_24",		IDCR1,	DDR0_24},
151 	{"DDR0_25",		IDCR1,	DDR0_25},
152 	{"DDR0_26",		IDCR1,	DDR0_26},
153 	{"DDR0_27",		IDCR1,	DDR0_27},
154 	{"DDR0_28",		IDCR1,	DDR0_28},
155 	{"DDR0_31",		IDCR1,	DDR0_31},
156 	{"DDR0_32",		IDCR1,	DDR0_32},
157 	{"DDR0_33",		IDCR1,	DDR0_33},
158 	{"DDR0_34",		IDCR1,	DDR0_34},
159 	{"DDR0_35",		IDCR1,	DDR0_35},
160 	{"DDR0_36",		IDCR1,	DDR0_36},
161 	{"DDR0_37",		IDCR1,	DDR0_37},
162 	{"DDR0_38",		IDCR1,	DDR0_38},
163 	{"DDR0_39",		IDCR1,	DDR0_39},
164 	{"DDR0_40",		IDCR1,	DDR0_40},
165 	{"DDR0_41",		IDCR1,	DDR0_41},
166 	{"DDR0_42",		IDCR1,	DDR0_42},
167 	{"DDR0_43",		IDCR1,	DDR0_43},
168 	{"DDR0_44",		IDCR1,	DDR0_44},
169 	{"CPR0_ICFG",		IDCR5,	CPR0_ICFG},
170 	{"CPR0_MALD",		IDCR5,	CPR0_MALD},
171 	{"CPR0_OPBD00",		IDCR5,	CPR0_OPBD0},
172 	{"CPR0_PERD0",		IDCR5,	CPR0_PERD},
173 	{"CPR0_PLLC0",		IDCR5,	CPR0_PLLC},
174 	{"CPR0_PLLD0",		IDCR5,	CPR0_PLLD},
175 	{"CPR0_PRIMAD0",	IDCR5,	CPR0_PRIMAD0},
176 	{"CPR0_PRIMBD0",	IDCR5,	CPR0_PRIMBD0},
177 	{"CPR0_SPCID",		IDCR5,	CPR0_SPCID},
178 	{"SPI0_MODE",		MM,	SPI0_MODE},
179 	{"IIC0_CLKDIV",		MM,	PCIL0_PMM1MA},
180 	{"PCIL0_PMM0MA",	MM,	PCIL0_PMM0MA},
181 	{"PCIL0_PMM1MA",	MM,	PCIL0_PMM1MA},
182 	{"PCIL0_PTM1LA",	MM,	PCIL0_PMM1MA},
183 	{"PCIL0_PTM1MS",	MM,	PCIL0_PTM1MS},
184 	{"PCIL0_PTM2LA",	MM,	PCIL0_PMM1MA},
185 	{"PCIL0_PTM2MS",	MM,	PCIL0_PTM2MS},
186 	{"ZMII0_FER",		MM,	ZMII0_FER},
187 	{"ZMII0_SSR",		MM,	ZMII0_SSR},
188 	{"EMAC0_IPGVR",		MM,	EMAC0_IPGVR},
189 	{"EMAC0_MR1",		MM,	EMAC0_MR1},
190 	{"EMAC0_PTR",		MM,	EMAC0_PTR},
191 	{"EMAC0_RWMR",		MM,	EMAC0_RWMR},
192 	{"EMAC0_STACR",		MM,	EMAC0_STACR},
193 	{"EMAC0_TMR0",		MM,	EMAC0_TMR0},
194 	{"EMAC0_TMR1",		MM,	EMAC0_TMR1},
195 	{"EMAC0_TRTR",		MM,	EMAC0_TRTR},
196 	{"EMAC1_MR1",		MM,	EMAC1_MR1},
197 	{"GPIO0_OR",		MM,	GPIO0_OR},
198 	{"GPIO1_OR",		MM,	GPIO1_OR},
199 	{"GPIO0_TCR",		MM,	GPIO0_TCR},
200 	{"GPIO1_TCR",		MM,	GPIO1_TCR},
201 	{"GPIO0_ODR",		MM,	GPIO0_ODR},
202 	{"GPIO1_ODR",		MM,	GPIO1_ODR},
203 	{"GPIO0_OSRL",		MM,	GPIO0_OSRL},
204 	{"GPIO0_OSRH",		MM,	GPIO0_OSRH},
205 	{"GPIO1_OSRL",		MM,	GPIO1_OSRL},
206 	{"GPIO1_OSRH",		MM,	GPIO1_OSRH},
207 	{"GPIO0_TSRL",		MM,	GPIO0_TSRL},
208 	{"GPIO0_TSRH",		MM,	GPIO0_TSRH},
209 	{"GPIO1_TSRL",		MM,	GPIO1_TSRL},
210 	{"GPIO1_TSRH",		MM,	GPIO1_TSRH},
211 	{"GPIO0_IR",		MM,	GPIO0_IR},
212 	{"GPIO1_IR",		MM,	GPIO1_IR},
213 	{"GPIO0_ISR1L",		MM,	GPIO0_ISR1L},
214 	{"GPIO0_ISR1H",		MM,	GPIO0_ISR1H},
215 	{"GPIO1_ISR1L",		MM,	GPIO1_ISR1L},
216 	{"GPIO1_ISR1H",		MM,	GPIO1_ISR1H},
217 	{"GPIO0_ISR2L",		MM,	GPIO0_ISR2L},
218 	{"GPIO0_ISR2H",		MM,	GPIO0_ISR2H},
219 	{"GPIO1_ISR2L",		MM,	GPIO1_ISR2L},
220 	{"GPIO1_ISR2H",		MM,	GPIO1_ISR2H},
221 	{"GPIO0_ISR3L",		MM,	GPIO0_ISR3L},
222 	{"GPIO0_ISR3H",		MM,	GPIO0_ISR3H},
223 	{"GPIO1_ISR3L",		MM,	GPIO1_ISR3L},
224 	{"GPIO1_ISR3H",		MM,	GPIO1_ISR3H},
225 	{"SDR0_USB2PHY0CR",	IDCR6,	SDR0_USB2PHY0CR},
226 	{"SDR0_USB2H0CR",	IDCR6,	SDR0_USB2H0CR},
227 	{"SDR0_USB2D0CR",	IDCR6,	SDR0_USB2D0CR},
228 #endif
229 };
230 
231 /*
232  * CPU Register dump of PPC4xx HW configuration registers
233  * Output: first all DCR-registers, then in order of struct ppc4xx_reg
234  */
235 #define PRINT_DCR(dcr) 	printf("0x%08x %-16s: 0x%08x\n", dcr,#dcr, mfdcr(dcr));
236 
ppc4xx_reginfo(void)237 void ppc4xx_reginfo(void)
238 {
239 	unsigned int i;
240 	unsigned int n;
241 	u32 value;
242 	enum REGISTER_TYPE type;
243 #if defined (CONFIG_405EP)
244 	printf("Dump PPC405EP HW configuration registers\n\n");
245 #elif CONFIG_405GP
246 	printf ("Dump 405GP HW configuration registers\n\n");
247 #elif CONFIG_440EPX
248 	printf("Dump PPC440EPx HW configuration registers\n\n");
249 #endif
250 	printf("MSR: 0x%08x\n", mfmsr());
251 
252 	printf ("\nUniversal Interrupt Controller Regs\n");
253 	PRINT_DCR(UIC0SR);
254 	PRINT_DCR(UIC0ER);
255 	PRINT_DCR(UIC0CR);
256 	PRINT_DCR(UIC0PR);
257 	PRINT_DCR(UIC0TR);
258 	PRINT_DCR(UIC0MSR);
259 	PRINT_DCR(UIC0VR);
260 	PRINT_DCR(UIC0VCR);
261 
262 #if (UIC_MAX > 1)
263 	PRINT_DCR(UIC2SR);
264 	PRINT_DCR(UIC2ER);
265 	PRINT_DCR(UIC2CR);
266 	PRINT_DCR(UIC2PR);
267 	PRINT_DCR(UIC2TR);
268 	PRINT_DCR(UIC2MSR);
269 	PRINT_DCR(UIC2VR);
270 	PRINT_DCR(UIC2VCR);
271 #endif
272 
273 #if (UIC_MAX > 2)
274 	PRINT_DCR(UIC2SR);
275 	PRINT_DCR(UIC2ER);
276 	PRINT_DCR(UIC2CR);
277 	PRINT_DCR(UIC2PR);
278 	PRINT_DCR(UIC2TR);
279 	PRINT_DCR(UIC2MSR);
280 	PRINT_DCR(UIC2VR);
281 	PRINT_DCR(UIC2VCR);
282 #endif
283 
284 #if (UIC_MAX > 3)
285 	PRINT_DCR(UIC3SR);
286 	PRINT_DCR(UIC3ER);
287 	PRINT_DCR(UIC3CR);
288 	PRINT_DCR(UIC3PR);
289 	PRINT_DCR(UIC3TR);
290 	PRINT_DCR(UIC3MSR);
291 	PRINT_DCR(UIC3VR);
292 	PRINT_DCR(UIC3VCR);
293 #endif
294 
295 #if defined (CONFIG_405EP) || defined (CONFIG_405GP)
296 	printf ("\n\nDMA Channels\n");
297 	PRINT_DCR(DMASR);
298 	PRINT_DCR(DMASGC);
299 	PRINT_DCR(DMAADR);
300 
301 	PRINT_DCR(DMACR0);
302 	PRINT_DCR(DMACT0);
303 	PRINT_DCR(DMADA0);
304 	PRINT_DCR(DMASA0);
305 	PRINT_DCR(DMASB0);
306 
307 	PRINT_DCR(DMACR1);
308 	PRINT_DCR(DMACT1);
309 	PRINT_DCR(DMADA1);
310 	PRINT_DCR(DMASA1);
311 	PRINT_DCR(DMASB1);
312 
313 	PRINT_DCR(DMACR2);
314 	PRINT_DCR(DMACT2);
315 	PRINT_DCR(DMADA2);
316 	PRINT_DCR(DMASA2);
317 	PRINT_DCR(DMASB2);
318 
319 	PRINT_DCR(DMACR3);
320 	PRINT_DCR(DMACT3);
321 	PRINT_DCR(DMADA3);
322 	PRINT_DCR(DMASA3);
323 	PRINT_DCR(DMASB3);
324 #endif
325 
326 	printf ("\n\nVarious HW-Configuration registers\n");
327 #if defined (CONFIG_440EPX)
328 	PRINT_DCR(MAL0_CFG);
329 	PRINT_DCR(CPM0_ER);
330 	PRINT_DCR(CPM1_ER);
331 	PRINT_DCR(PLB4A0_ACR);
332 	PRINT_DCR(PLB4A1_ACR);
333 	PRINT_DCR(PLB3A0_ACR);
334 	PRINT_DCR(OPB2PLB40_BCTRL);
335 	PRINT_DCR(P4P3BO0_CFG);
336 #endif
337 	n = sizeof(ppc4xx_reg) / sizeof(ppc4xx_reg[0]);
338 	for (i = 0; i < n; i++) {
339 		value = 0;
340 		type = ppc4xx_reg[i].type;
341 		switch (type) {
342 		case IDCR1:	/* Indirect via SDRAM0_CFGADDR/DDR0_CFGDATA */
343 			mtdcr(SDRAM0_CFGADDR, ppc4xx_reg[i].address);
344 			value = mfdcr(SDRAM0_CFGDATA);
345 			break;
346 		case IDCR2:	/* Indirect via EBC0_CFGADDR/EBC0_CFGDATA */
347 			mtdcr(EBC0_CFGADDR, ppc4xx_reg[i].address);
348 			value = mfdcr(EBC0_CFGDATA);
349 			break;
350 		case IDCR5:	/* Indirect via CPR0_CFGADDR/CPR0_CFGDATA */
351 			mtdcr(CPR0_CFGADDR, ppc4xx_reg[i].address);
352 			value = mfdcr(CPR0_CFGDATA);
353 			break;
354 		case IDCR6:	/* Indirect via SDR0_CFGADDR/SDR0_CFGDATA */
355 			mtdcr(SDR0_CFGADDR, ppc4xx_reg[i].address);
356 			value = mfdcr(SDR0_CFGDATA);
357 			break;
358 		case MM:	/* Directly Accessed MMIO Register */
359 			value = in_be32((const volatile unsigned __iomem *)
360 				ppc4xx_reg[i].address);
361 			break;
362 		default:
363 			printf("\nERROR: struct entry %d: unknown register"
364 				"type\n", i);
365 			break;
366 		}
367 		printf("0x%08x %-16s: 0x%08x\n",ppc4xx_reg[i].address,
368 			ppc4xx_reg[i].name, value);
369 	}
370 }
371