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Commit | Line | Data |
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f11033e7 | 1 | /* |
ca43ba18 HS |
2 | * (C) Copyright 2007 |
3 | * Heiko Schocher, DENX Software Engineering, <[email protected]>. | |
4 | * | |
5 | * (C) Copyright 2003 | |
6 | * Juergen Beisert, EuroDesign embedded technologies, [email protected] | |
7 | * Derived from walnut.c | |
8 | * | |
9 | * (C) Copyright 2000 | |
10 | * Wolfgang Denk, DENX Software Engineering, [email protected]. | |
11 | * | |
12 | * See file CREDITS for list of people who contributed to this | |
13 | * project. | |
14 | * | |
15 | * This program is free software; you can redistribute it and/or | |
16 | * modify it under the terms of the GNU General Public License as | |
17 | * published by the Free Software Foundation; either version 2 of | |
18 | * the License, or (at your option) any later version. | |
19 | * | |
20 | * This program is distributed in the hope that it will be useful, | |
21 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
22 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
23 | * GNU General Public License for more details. | |
24 | * | |
25 | * You should have received a copy of the GNU General Public License | |
26 | * along with this program; if not, write to the Free Software | |
27 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
28 | * MA 02111-1307 USA | |
29 | * | |
30 | * $Log:$ | |
31 | */ | |
32 | ||
33 | #include <common.h> | |
34 | #include <asm/processor.h> | |
35 | #include <asm/io.h> | |
6d3e0107 | 36 | #include "sc3.h" |
ca43ba18 HS |
37 | #include <pci.h> |
38 | #include <i2c.h> | |
39 | #include <malloc.h> | |
40 | ||
41 | #undef writel | |
42 | #undef writeb | |
43 | #define writeb(b,addr) ((*(volatile u8 *) (addr)) = (b)) | |
44 | #define writel(b,addr) ((*(volatile u32 *) (addr)) = (b)) | |
45 | ||
46 | /* write only register to configure things in our CPLD */ | |
47 | #define CPLD_CONTROL_1 0x79000102 | |
48 | #define CPLD_VERSION 0x79000103 | |
49 | ||
50 | #define IS_CAMERON ((*(unsigned char *)(CPLD_VERSION)== 0x32) ? 1 : 0) | |
51 | ||
52 | static struct pci_controller hose={0,}; | |
53 | ||
54 | /************************************************************ | |
55 | * Standard definition | |
56 | ************************************************************/ | |
57 | ||
58 | /* CPC0_CR0 Function ISA bus | |
59 | - GPIO0 | |
60 | - GPIO1 -> Output: NAND-Command Latch Enable | |
61 | - GPIO2 -> Output: NAND Address Latch Enable | |
62 | - GPIO3 -> IRQ input ISA-IRQ #5 (through CPLD) | |
63 | - GPIO4 -> Output: NAND-Chip Enable | |
64 | - GPIO5 -> IRQ input ISA-IRQ#7 (through CPLD) | |
65 | - GPIO6 -> IRQ input ISA-IRQ#9 (through CPLD) | |
66 | - GPIO7 -> IRQ input ISA-IRQ#10 (through CPLD) | |
67 | - GPIO8 -> IRQ input ISA-IRQ#11 (through CPLD) | |
68 | - GPIO9 -> IRQ input ISA-IRQ#12 (through CPLD) | |
69 | - GPIO10/CS1# -> CS1# NAND ISA-CS#0 | |
70 | - GPIO11/CS2# -> CS2# ISA emulation ISA-CS#1 | |
71 | - GPIO12/CS3# -> CS3# 2nd Flash-Bank ISA-CS#2 or ISA-CS#7 | |
72 | - GPIO13/CS4# -> CS4# USB HC or ISA emulation ISA-CS#3 | |
73 | - GPIO14/CS5# -> CS5# Boosted IDE access ISA-CS#4 | |
74 | - GPIO15/CS6# -> CS6# ISA emulation ISA-CS#5 | |
75 | - GPIO16/CS7# -> CS7# ISA emulation ISA-CS#6 | |
76 | - GPIO17/IRQ0 -> GPIO, in, NAND-Ready/Busy# line ISA-IRQ#3 | |
77 | - GPIO18/IRQ1 -> IRQ input ISA-IRQ#14 | |
78 | - GPIO19/IRQ2 -> IRQ input or USB ISA-IRQ#4 | |
79 | - GPIO20/IRQ3 -> IRQ input PCI-IRQ#D | |
80 | - GPIO21/IRQ4 -> IRQ input PCI-IRQ#C | |
81 | - GPIO22/IRQ5 -> IRQ input PCI-IRQ#B | |
82 | - GPIO23/IRQ6 -> IRQ input PCI-IRQ#A | |
83 | - GPIO24 -> if GPIO output: 0=JTAG CPLD activ, 1=JTAG CPLD inactiv | |
84 | */ | |
85 | /* | |
86 | | CPLD register: io-space at offset 0x102 (write only) | |
87 | | 0 | |
88 | | 1 | |
89 | | 2 0=CS#4 USB CS#, 1=ISA or GP bus | |
90 | | 3 | |
91 | | 4 | |
92 | | 5 | |
93 | | 6 1=enable faster IDE access | |
94 | | 7 | |
95 | */ | |
96 | #define USB_CHIP_ENABLE 0x04 | |
97 | #define IDE_BOOSTING 0x40 | |
98 | ||
99 | /* --------------- USB stuff ------------------------------------- */ | |
100 | #ifdef CONFIG_ISP1161_PRESENT | |
101 | /** | |
102 | * initUsbHost- Initialize the Philips isp1161 HC part if present | |
103 | * @cpldConfig: Pointer to value in write only CPLD register | |
104 | * | |
105 | * Initialize the USB host controller if present and fills the | |
106 | * scratch register to inform the driver about used resources | |
107 | */ | |
108 | ||
109 | static void initUsbHost (unsigned char *cpldConfig) | |
110 | { | |
111 | int i; | |
112 | unsigned long usbBase; | |
113 | /* | |
114 | * Read back where init.S has located the USB chip | |
115 | */ | |
116 | mtdcr (0x012, 0x04); | |
117 | usbBase = mfdcr (0x013); | |
118 | if (!(usbBase & 0x18000)) /* enabled? */ | |
119 | return; | |
120 | usbBase &= 0xFFF00000; | |
121 | ||
122 | /* | |
123 | * to test for the USB controller enable using of CS#4 and DMA 3 for USB access | |
124 | */ | |
125 | writeb (*cpldConfig | USB_CHIP_ENABLE,CPLD_CONTROL_1); | |
126 | ||
127 | /* | |
128 | * first check: is the controller assembled? | |
129 | */ | |
130 | hcWriteWord (usbBase, 0x5555, HcScratch); | |
131 | if (hcReadWord (usbBase, HcScratch) == 0x5555) { | |
132 | hcWriteWord (usbBase, 0xAAAA, HcScratch); | |
133 | if (hcReadWord (usbBase, HcScratch) == 0xAAAA) { | |
134 | if ((hcReadWord (usbBase, HcChipID) & 0xFF00) != 0x6100) | |
135 | return; /* this is not our controller */ | |
136 | /* | |
137 | * try a software reset. This needs up to 10 seconds (see datasheet) | |
138 | */ | |
139 | hcWriteDWord (usbBase, 0x00000001, HcCommandStatus); | |
140 | for (i = 1000; i > 0; i--) { /* loop up to 10 seconds */ | |
141 | udelay (10); | |
142 | if (!(hcReadDWord (usbBase, HcCommandStatus) & 0x01)) | |
143 | break; | |
144 | } | |
145 | ||
146 | if (!i) | |
147 | return; /* the controller doesn't responding. Broken? */ | |
148 | /* | |
149 | * OK. USB controller is ready. Initialize it in such way the later driver | |
150 | * can us it (without any knowing about specific implementation) | |
151 | */ | |
152 | hcWriteDWord (usbBase, 0x00000000, HcControl); | |
153 | /* | |
154 | * disable all interrupt sources. Because we | |
155 | * don't know where we come from (hard reset, cold start, soft reset...) | |
156 | */ | |
157 | hcWriteDWord (usbBase, 0x8000007D, HcInterruptDisable); | |
158 | /* | |
159 | * our current setup hardware configuration | |
160 | * - every port power supply can switched indepently | |
161 | * - every port can signal overcurrent | |
162 | * - every port is "outside" and the devices are removeable | |
163 | */ | |
164 | hcWriteDWord (usbBase, 0x32000902, HcRhDescriptorA); | |
165 | hcWriteDWord (usbBase, 0x00060000, HcRhDescriptorB); | |
166 | /* | |
167 | * don't forget to switch off power supply of each port | |
168 | * The later running driver can reenable them to find and use | |
169 | * the (maybe) connected devices. | |
170 | * | |
171 | */ | |
172 | hcWriteDWord (usbBase, 0x00000200, HcRhPortStatus1); | |
173 | hcWriteDWord (usbBase, 0x00000200, HcRhPortStatus2); | |
174 | hcWriteWord (usbBase, 0x0428, HcHardwareConfiguration); | |
175 | hcWriteWord (usbBase, 0x0040, HcDMAConfiguration); | |
176 | hcWriteWord (usbBase, 0x0000, HcuPInterruptEnable); | |
177 | hcWriteWord (usbBase, 0xA000 | (0x03 << 8) | 27, HcScratch); | |
178 | /* | |
179 | * controller is present and usable | |
180 | */ | |
181 | *cpldConfig |= USB_CHIP_ENABLE; | |
182 | } | |
183 | } | |
184 | } | |
185 | #endif | |
186 | ||
187 | #if defined(CONFIG_START_IDE) | |
188 | int board_start_ide(void) | |
189 | { | |
190 | if (IS_CAMERON) { | |
191 | puts ("no IDE on cameron board.\n"); | |
192 | return 0; | |
193 | } | |
194 | return 1; | |
195 | } | |
196 | #endif | |
197 | ||
198 | static int sc3_cameron_init (void) | |
199 | { | |
200 | /* Set up the Memory Controller for the CAMERON version */ | |
201 | mtebc (pb4ap, 0x01805940); | |
202 | mtebc (pb4cr, 0x7401a000); | |
203 | mtebc (pb5ap, 0x01805940); | |
204 | mtebc (pb5cr, 0x7401a000); | |
205 | mtebc (pb6ap, 0x0); | |
206 | mtebc (pb6cr, 0x0); | |
207 | mtebc (pb7ap, 0x0); | |
208 | mtebc (pb7cr, 0x0); | |
209 | return 0; | |
210 | } | |
211 | ||
212 | void sc3_read_eeprom (void) | |
213 | { | |
214 | uchar i2c_buffer[18]; | |
215 | ||
216 | i2c_read (0x50, 0x03, 1, i2c_buffer, 9); | |
217 | i2c_buffer[9] = 0; | |
218 | setenv ("serial#", (char *)i2c_buffer); | |
219 | ||
220 | /* read mac-address from eeprom */ | |
221 | i2c_read (0x50, 0x11, 1, i2c_buffer, 15); | |
222 | i2c_buffer[17] = 0; | |
223 | i2c_buffer[16] = i2c_buffer[14]; | |
224 | i2c_buffer[15] = i2c_buffer[13]; | |
225 | i2c_buffer[14] = ':'; | |
226 | i2c_buffer[13] = i2c_buffer[12]; | |
227 | i2c_buffer[12] = i2c_buffer[11]; | |
228 | i2c_buffer[11] = ':'; | |
229 | i2c_buffer[8] = ':'; | |
230 | i2c_buffer[5] = ':'; | |
231 | i2c_buffer[2] = ':'; | |
232 | setenv ("ethaddr", (char *)i2c_buffer); | |
233 | } | |
234 | ||
235 | int board_early_init_f (void) | |
236 | { | |
237 | /* write only register to configure things in our CPLD */ | |
238 | unsigned char cpldConfig_1=0x00; | |
239 | ||
240 | /*-------------------------------------------------------------------------+ | |
241 | | Interrupt controller setup for the SolidCard III CPU card (plus Evaluation board). | |
242 | | | |
243 | | Note: IRQ 0 UART 0, active high; level sensitive | |
244 | | IRQ 1 UART 1, active high; level sensitive | |
245 | | IRQ 2 IIC, active high; level sensitive | |
246 | | IRQ 3 Ext. master, rising edge, edge sensitive | |
247 | | IRQ 4 PCI, active high; level sensitive | |
248 | | IRQ 5 DMA Channel 0, active high; level sensitive | |
249 | | IRQ 6 DMA Channel 1, active high; level sensitive | |
250 | | IRQ 7 DMA Channel 2, active high; level sensitive | |
251 | | IRQ 8 DMA Channel 3, active high; level sensitive | |
252 | | IRQ 9 Ethernet Wakeup, active high; level sensitive | |
253 | | IRQ 10 MAL System Error (SERR), active high; level sensitive | |
254 | | IRQ 11 MAL Tx End of Buffer, active high; level sensitive | |
255 | | IRQ 12 MAL Rx End of Buffer, active high; level sensitive | |
256 | | IRQ 13 MAL Tx Descriptor Error, active high; level sensitive | |
257 | | IRQ 14 MAL Rx Descriptor Error, active high; level sensitive | |
258 | | IRQ 15 Ethernet, active high; level sensitive | |
259 | | IRQ 16 External PCI SERR, active high; level sensitive | |
260 | | IRQ 17 ECC Correctable Error, active high; level sensitive | |
261 | | IRQ 18 PCI Power Management, active high; level sensitive | |
262 | | | |
263 | | IRQ 19 (EXT IRQ7 405GPr only) | |
264 | | IRQ 20 (EXT IRQ8 405GPr only) | |
265 | | IRQ 21 (EXT IRQ9 405GPr only) | |
266 | | IRQ 22 (EXT IRQ10 405GPr only) | |
267 | | IRQ 23 (EXT IRQ11 405GPr only) | |
268 | | IRQ 24 (EXT IRQ12 405GPr only) | |
269 | | | |
270 | | IRQ 25 (EXT IRQ 0) NAND-Flash R/B# (raising edge means flash is ready) | |
271 | | IRQ 26 (EXT IRQ 1) IDE0 interrupt (x86 = IRQ14). Active high (edge sensitive) | |
272 | | IRQ 27 (EXT IRQ 2) USB controller | |
273 | | IRQ 28 (EXT IRQ 3) INT D, VGA; active low; level sensitive | |
274 | | IRQ 29 (EXT IRQ 4) INT C, Ethernet; active low; level sensitive | |
275 | | IRQ 30 (EXT IRQ 5) INT B, PC104+ SLOT; active low; level sensitive | |
276 | | IRQ 31 (EXT IRQ 6) INT A, PC104+ SLOT; active low; level sensitive | |
277 | | | |
278 | | Direct Memory Access Controller Signal Polarities | |
279 | | DRQ0 active high (like ISA) | |
280 | | ACK0 active low (like ISA) | |
281 | | EOT0 active high (like ISA) | |
282 | | DRQ1 active high (like ISA) | |
283 | | ACK1 active low (like ISA) | |
284 | | EOT1 active high (like ISA) | |
285 | | DRQ2 active high (like ISA) | |
286 | | ACK2 active low (like ISA) | |
287 | | EOT2 active high (like ISA) | |
288 | | DRQ3 active high (like ISA) | |
289 | | ACK3 active low (like ISA) | |
290 | | EOT3 active high (like ISA) | |
291 | | | |
292 | +-------------------------------------------------------------------------*/ | |
293 | ||
294 | writeb (cpldConfig_1, CPLD_CONTROL_1); /* disable everything in CPLD */ | |
295 | ||
296 | mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */ | |
297 | mtdcr (uicer, 0x00000000); /* disable all ints */ | |
298 | mtdcr (uiccr, 0x00000000); /* set all to be non-critical */ | |
299 | ||
300 | if (IS_CAMERON) { | |
301 | sc3_cameron_init(); | |
302 | mtdcr (0x0B6, 0x18000000); | |
303 | mtdcr (uicpr, 0xFFFFFFF0); | |
304 | mtdcr (uictr, 0x10001030); | |
305 | } else { | |
306 | mtdcr (0x0B6, 0x0000000); | |
307 | mtdcr (uicpr, 0xFFFFFFE0); | |
308 | mtdcr (uictr, 0x10000020); | |
309 | } | |
310 | mtdcr (uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority */ | |
311 | mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */ | |
312 | ||
313 | /* setup other implementation specific details */ | |
314 | mtdcr (ecr, 0x60606000); | |
315 | ||
316 | mtdcr (cntrl1, 0x000042C0); | |
317 | ||
318 | if (IS_CAMERON) { | |
319 | mtdcr (cntrl0, 0x01380000); | |
320 | /* Setup the GPIOs */ | |
321 | writel (0x08008000, 0xEF600700); /* Output states */ | |
322 | writel (0x00000000, 0xEF600718); /* Open Drain control */ | |
323 | writel (0x68098000, 0xEF600704); /* Output control */ | |
324 | } else { | |
325 | mtdcr (cntrl0,0x00080000); | |
326 | /* Setup the GPIOs */ | |
327 | writel (0x08000000, 0xEF600700); /* Output states */ | |
328 | writel (0x14000000, 0xEF600718); /* Open Drain control */ | |
329 | writel (0x7C000000, 0xEF600704); /* Output control */ | |
330 | } | |
331 | ||
332 | /* Code decompression disabled */ | |
333 | mtdcr (kiar, kconf); | |
334 | mtdcr (kidr, 0x2B); | |
335 | ||
336 | /* CPC0_ER: enable sleep mode of (currently) unused components */ | |
337 | /* CPC0_FR: force unused components into sleep mode */ | |
338 | mtdcr (cpmer, 0x3F800000); | |
339 | mtdcr (cpmfr, 0x14000000); | |
340 | ||
341 | /* set PLB priority */ | |
342 | mtdcr (0x87, 0x08000000); | |
343 | ||
344 | /* --------------- DMA stuff ------------------------------------- */ | |
345 | mtdcr (0x126, 0x49200000); | |
346 | ||
347 | #ifndef IDE_USES_ISA_EMULATION | |
348 | cpldConfig_1 |= IDE_BOOSTING; /* enable faster IDE */ | |
349 | /* cpldConfig |= 0x01; */ /* enable 8.33MHz output, if *not* present on your baseboard */ | |
350 | writeb (cpldConfig_1, CPLD_CONTROL_1); | |
351 | #endif | |
352 | ||
353 | #ifdef CONFIG_ISP1161_PRESENT | |
354 | initUsbHost (&cpldConfig_1); | |
355 | writeb (cpldConfig_1, CPLD_CONTROL_1); | |
356 | #endif | |
cb482072 HS |
357 | /* FIXME: for what must we do this */ |
358 | *(unsigned long *)0x79000080 = 0x0001; | |
ca43ba18 HS |
359 | return(0); |
360 | } | |
361 | ||
362 | int misc_init_r (void) | |
363 | { | |
364 | char *s1; | |
365 | int i, xilinx_val; | |
366 | volatile char *xilinx_adr; | |
367 | xilinx_adr = (char *)0x79000102; | |
368 | ||
369 | *xilinx_adr = 0x00; | |
370 | ||
371 | /* customer settings ***************************************** */ | |
372 | /* | |
373 | s1 = getenv ("function"); | |
374 | if (s1) { | |
375 | if (!strcmp (s1, "Rosho")) { | |
376 | printf ("function 'Rosho' activated\n"); | |
377 | *xilinx_adr = 0x40; | |
378 | } | |
379 | else { | |
380 | printf (">>>>>>>>>> function %s not recognized\n",s1); | |
381 | } | |
382 | } | |
383 | */ | |
384 | ||
385 | /* individual settings ***************************************** */ | |
386 | if ((s1 = getenv ("xilinx"))) { | |
387 | i=0; | |
388 | xilinx_val = 0; | |
389 | while (i < 3 && s1[i]) { | |
390 | if (s1[i] >= '0' && s1[i] <= '9') | |
391 | xilinx_val = (xilinx_val << 4) + s1[i] - '0'; | |
392 | else | |
393 | if (s1[i] >= 'A' && s1[i] <= 'F') | |
394 | xilinx_val = (xilinx_val << 4) + s1[i] - 'A' + 10; | |
395 | else | |
396 | if (s1[i] >= 'a' && s1[i] <= 'f') | |
397 | xilinx_val = (xilinx_val << 4) + s1[i] - 'a' + 10; | |
398 | else { | |
399 | xilinx_val = -1; | |
400 | break; | |
401 | } | |
402 | i++; | |
403 | } | |
404 | if (xilinx_val >= 0 && xilinx_val <=255 && i < 3) { | |
405 | printf ("Xilinx: set to %s\n", s1); | |
406 | *xilinx_adr = (unsigned char) xilinx_val; | |
407 | } else | |
408 | printf ("Xilinx: rejected value %s\n", s1); | |
409 | } | |
410 | return 0; | |
411 | } | |
412 | ||
413 | /* ------------------------------------------------------------------------- | |
414 | * printCSConfig | |
415 | * | |
416 | * Print some informations about chips select configurations | |
417 | * Only used while debugging. | |
418 | * | |
419 | * Params: | |
420 | * - No. of CS pin | |
421 | * - AP of this CS | |
422 | * - CR of this CS | |
423 | * | |
424 | * Returns | |
425 | * nothing | |
426 | ------------------------------------------------------------------------- */ | |
427 | ||
428 | #ifdef SC3_DEBUGOUT | |
429 | static void printCSConfig(int reg,unsigned long ap,unsigned long cr) | |
430 | { | |
431 | const char *bsize[4] = {"8","16","32","?"}; | |
432 | const unsigned char banks[8] = {1, 2, 4, 8, 16, 32, 64, 128}; | |
433 | const char *bankaccess[4] = {"disabled", "RO", "WO", "RW"}; | |
434 | ||
435 | #define CYCLE 30 /* time of one clock (based on 33MHz) */ | |
436 | ||
437 | printf("\nCS#%d",reg); | |
438 | if (!(cr & 0x00018000)) | |
439 | puts(" unused"); | |
440 | else { | |
441 | if (((cr&0xFFF00000U) & ((banks[(cr & 0x000E0000) >> 17]-1) << 20))) | |
442 | puts(" Address is not multiple of bank size!"); | |
443 | ||
444 | printf("\n -%s bit device", | |
445 | bsize[(cr & 0x00006000) >> 13]); | |
446 | printf(" at 0x%08lX", cr & 0xFFF00000U); | |
447 | printf(" size: %u MB", banks[(cr & 0x000E0000) >> 17]); | |
448 | printf(" rights: %s", bankaccess[(cr & 0x00018000) >> 15]); | |
53677ef1 | 449 | if (ap & 0x80000000) { |
ca43ba18 HS |
450 | printf("\n -Burst device (%luns/%luns)", |
451 | (((ap & 0x7C000000) >> 26) + 1) * CYCLE, | |
452 | (((ap & 0x03800000) >> 23) + 1) * CYCLE); | |
453 | } else { | |
454 | printf("\n -Non burst device, active cycle %luns", | |
455 | (((ap & 0x7F800000) >> 23) + 1) * CYCLE); | |
456 | printf("\n -Address setup %luns", | |
457 | ((ap & 0xC0000) >> 18) * CYCLE); | |
458 | printf("\n -CS active to RD %luns/WR %luns", | |
f11033e7 | 459 | ((ap & 0x30000) >> 16) * CYCLE, |
ca43ba18 HS |
460 | ((ap & 0xC000) >> 14) * CYCLE); |
461 | printf("\n -WR to CS inactive %luns", | |
462 | ((ap & 0x3000) >> 12) * CYCLE); | |
463 | printf("\n -Hold after access %luns", | |
464 | ((ap & 0xE00) >> 9) * CYCLE); | |
465 | printf("\n -Ready is %sabled", | |
466 | ap & 0x100 ? "en" : "dis"); | |
467 | } | |
468 | } | |
469 | } | |
470 | #endif | |
471 | ||
472 | #ifdef SC3_DEBUGOUT | |
473 | ||
474 | static unsigned int ap[] = {pb0ap, pb1ap, pb2ap, pb3ap, pb4ap, | |
475 | pb5ap, pb6ap, pb7ap}; | |
476 | static unsigned int cr[] = {pb0cr, pb1cr, pb2cr, pb3cr, pb4cr, | |
477 | pb5cr, pb6cr, pb7cr}; | |
478 | ||
479 | static int show_reg (int nr) | |
480 | { | |
481 | unsigned long ul1, ul2; | |
482 | ||
483 | mtdcr (ebccfga, ap[nr]); | |
484 | ul1 = mfdcr (ebccfgd); | |
485 | mtdcr (ebccfga, cr[nr]); | |
486 | ul2 = mfdcr(ebccfgd); | |
487 | printCSConfig(nr, ul1, ul2); | |
488 | return 0; | |
489 | } | |
490 | #endif | |
491 | ||
492 | int checkboard (void) | |
493 | { | |
494 | #ifdef SC3_DEBUGOUT | |
495 | unsigned long ul1; | |
496 | int i; | |
497 | ||
498 | for (i = 0; i < 8; i++) { | |
499 | show_reg (i); | |
500 | } | |
f11033e7 | 501 | |
ca43ba18 HS |
502 | mtdcr (ebccfga, epcr); |
503 | ul1 = mfdcr (ebccfgd); | |
504 | ||
505 | puts ("\nGeneral configuration:\n"); | |
506 | ||
507 | if (ul1 & 0x80000000) | |
508 | printf(" -External Bus is always driven\n"); | |
509 | ||
510 | if (ul1 & 0x400000) | |
511 | printf(" -CS signals are always driven\n"); | |
512 | ||
513 | if (ul1 & 0x20000) | |
514 | printf(" -PowerDown after %lu clocks\n", | |
515 | (ul1 & 0x1F000) >> 7); | |
516 | ||
517 | switch (ul1 & 0xC0000) | |
518 | { | |
519 | case 0xC0000: | |
520 | printf(" -No external master present\n"); | |
521 | break; | |
522 | case 0x00000: | |
523 | printf(" -8 bit external master present\n"); | |
524 | break; | |
525 | case 0x40000: | |
526 | printf(" -16 bit external master present\n"); | |
527 | break; | |
528 | case 0x80000: | |
529 | printf(" -32 bit external master present\n"); | |
530 | break; | |
531 | } | |
532 | ||
533 | switch (ul1 & 0x300000) | |
534 | { | |
535 | case 0x300000: | |
536 | printf(" -Prefetch: Illegal setting!\n"); | |
537 | break; | |
538 | case 0x000000: | |
539 | printf(" -1 doubleword prefetch\n"); | |
540 | break; | |
541 | case 0x100000: | |
542 | printf(" -2 doublewords prefetch\n"); | |
543 | break; | |
544 | case 0x200000: | |
545 | printf(" -4 doublewords prefetch\n"); | |
546 | break; | |
547 | } | |
548 | putc ('\n'); | |
549 | #endif | |
550 | printf("Board: SolidCard III %s %s version.\n", | |
551 | (IS_CAMERON ? "Cameron" : "Eurodesign"), CONFIG_SC3_VERSION); | |
552 | return 0; | |
553 | } | |
554 | ||
555 | static int printSDRAMConfig(char reg, unsigned long cr) | |
556 | { | |
557 | const int bisize[8]={4, 8, 16, 32, 64, 128, 256, 0}; | |
558 | #ifdef SC3_DEBUGOUT | |
559 | const char *basize[8]= | |
560 | {"4", "8", "16", "32", "64", "128", "256", "Reserved"}; | |
561 | ||
562 | printf("SDRAM bank %d",reg); | |
563 | ||
564 | if (!(cr & 0x01)) | |
565 | puts(" disabled\n"); | |
566 | else { | |
567 | printf(" at 0x%08lX, size %s MB",cr & 0xFFC00000,basize[(cr&0xE0000)>>17]); | |
568 | printf(" mode %lu\n",((cr & 0xE000)>>13)+1); | |
569 | } | |
570 | #endif | |
571 | ||
572 | if (cr & 0x01) | |
573 | return(bisize[(cr & 0xE0000) >> 17]); | |
574 | ||
575 | return 0; | |
576 | } | |
577 | ||
578 | #ifdef SC3_DEBUGOUT | |
579 | static unsigned int mbcf[] = {mem_mb0cf, mem_mb1cf, mem_mb2cf, mem_mb3cf}; | |
580 | #endif | |
581 | ||
582 | long int initdram (int board_type) | |
583 | { | |
584 | unsigned int mems=0; | |
585 | unsigned long ul1; | |
586 | ||
587 | #ifdef SC3_DEBUGOUT | |
588 | unsigned long ul2; | |
589 | int i; | |
590 | ||
591 | puts("\nSDRAM configuration:\n"); | |
592 | ||
593 | mtdcr (memcfga, mem_mcopt1); | |
594 | ul1 = mfdcr(memcfgd); | |
595 | ||
596 | if (!(ul1 & 0x80000000)) { | |
597 | puts(" Controller disabled\n"); | |
598 | return 0; | |
599 | } | |
600 | for (i = 0; i < 4; i++) { | |
601 | mtdcr (memcfga, mbcf[i]); | |
602 | ul1 = mfdcr (memcfgd); | |
603 | mems += printSDRAMConfig (i, ul1); | |
604 | } | |
605 | ||
606 | mtdcr (memcfga, mem_sdtr1); | |
607 | ul1 = mfdcr(memcfgd); | |
608 | ||
609 | printf ("Timing:\n -CAS latency %lu\n", ((ul1 & 0x1800000) >> 23)+1); | |
610 | printf (" -Precharge %lu (PTA) \n", ((ul1 & 0xC0000) >> 18) + 1); | |
611 | printf (" -R/W to Precharge %lu (CTP)\n", ((ul1 & 0x30000) >> 16) + 1); | |
612 | printf (" -Leadoff %lu\n", ((ul1 & 0xC000) >> 14) + 1); | |
613 | printf (" -CAS to RAS %lu\n", ((ul1 & 0x1C) >> 2) + 4); | |
614 | printf (" -RAS to CAS %lu\n", ((ul1 & 0x3) + 1)); | |
615 | puts ("Misc:\n"); | |
616 | mtdcr (memcfga, mem_rtr); | |
617 | ul1 = mfdcr(memcfgd); | |
618 | printf (" -Refresh rate: %luns\n", (ul1 >> 16) * 7); | |
619 | ||
620 | mtdcr(memcfga,mem_pmit); | |
621 | ul2=mfdcr(memcfgd); | |
622 | ||
623 | mtdcr(memcfga,mem_mcopt1); | |
624 | ul1=mfdcr(memcfgd); | |
625 | ||
626 | if (ul1 & 0x20000000) | |
627 | printf(" -Power Down after: %luns\n", | |
628 | ((ul2 & 0xFFC00000) >> 22) * 7); | |
629 | else | |
630 | puts(" -Power Down disabled\n"); | |
631 | ||
632 | if (ul1 & 0x40000000) | |
633 | printf(" -Self refresh feature active\n"); | |
634 | else | |
635 | puts(" -Self refresh disabled\n"); | |
636 | ||
637 | if (ul1 & 0x10000000) | |
638 | puts(" -ECC enabled\n"); | |
639 | else | |
640 | puts(" -ECC disabled\n"); | |
641 | ||
642 | if (ul1 & 0x8000000) | |
643 | puts(" -Using registered SDRAM\n"); | |
644 | ||
645 | if (!(ul1 & 0x6000000)) | |
646 | puts(" -Using 32 bit data width\n"); | |
647 | else | |
648 | puts(" -Illegal data width!\n"); | |
649 | ||
650 | if (ul1 & 0x400000) | |
651 | puts(" -ECC drivers inactive\n"); | |
652 | else | |
653 | puts(" -ECC drivers active\n"); | |
654 | ||
655 | if (ul1 & 0x200000) | |
656 | puts(" -Memory lines always active outputs\n"); | |
657 | else | |
658 | puts(" -Memory lines only at write cycles active outputs\n"); | |
659 | ||
660 | mtdcr (memcfga, mem_status); | |
661 | ul1 = mfdcr (memcfgd); | |
662 | if (ul1 & 0x80000000) | |
663 | puts(" -SDRAM Controller ready\n"); | |
664 | else | |
665 | puts(" -SDRAM Controller not ready\n"); | |
666 | ||
667 | if (ul1 & 0x4000000) | |
668 | puts(" -SDRAM in self refresh mode!\n"); | |
669 | ||
670 | return (mems * 1024 * 1024); | |
671 | #else | |
672 | mtdcr (memcfga, mem_mb0cf); | |
673 | ul1 = mfdcr (memcfgd); | |
674 | mems = printSDRAMConfig (0, ul1); | |
675 | ||
676 | mtdcr (memcfga, mem_mb1cf); | |
677 | ul1 = mfdcr (memcfgd); | |
678 | mems += printSDRAMConfig (1, ul1); | |
679 | ||
680 | mtdcr (memcfga, mem_mb2cf); | |
681 | ul1 = mfdcr(memcfgd); | |
682 | mems += printSDRAMConfig (2, ul1); | |
683 | ||
684 | mtdcr (memcfga, mem_mb3cf); | |
685 | ul1 = mfdcr(memcfgd); | |
686 | mems += printSDRAMConfig (3, ul1); | |
687 | ||
688 | return (mems * 1024 * 1024); | |
689 | #endif | |
690 | } | |
691 | ||
692 | static void pci_solidcard3_fixup_irq (struct pci_controller *hose, pci_dev_t dev) | |
693 | { | |
694 | /*-------------------------------------------------------------------------+ | |
695 | | ,-. ,-. ,-. ,-. ,-. | |
696 | | INTD# ----|B|-----|P|-. ,-|P|-. ,-| |-. ,-|G| | |
697 | | |R| |C| \ / |C| \ / |E| \ / |r| | |
698 | | INTC# ----|I|-----|1|-. `/---|1|-. `/---|t|-. `/---|a| | |
699 | | |D| |0| \/ |0| \/ |h| \/ |f| | |
700 | | INTB# ----|G|-----|4|-./`----|4|-./`----|e|-./`----|i| | |
701 | | |E| |+| /\ |+| /\ |r| /\ |k| | |
702 | | INTA# ----| |-----| |- `----| |- `----| |- `----| | | |
703 | | `-' `-' `-' `-' `-' | |
704 | | Slot 0 10 11 12 13 | |
705 | | REQ# 0 1 2 * | |
706 | | GNT# 0 1 2 * | |
707 | +-------------------------------------------------------------------------*/ | |
708 | unsigned char int_line = 0xff; | |
709 | ||
710 | switch (PCI_DEV(dev)) { | |
711 | case 10: | |
f11033e7 | 712 | int_line = 31; /* INT A */ |
ca43ba18 HS |
713 | POST_OUT(0x42); |
714 | break; | |
715 | ||
716 | case 11: | |
717 | int_line = 30; /* INT B */ | |
718 | POST_OUT(0x43); | |
719 | break; | |
720 | ||
721 | case 12: | |
722 | int_line = 29; /* INT C */ | |
723 | POST_OUT(0x44); | |
724 | break; | |
725 | ||
726 | case 13: | |
727 | int_line = 28; /* INT D */ | |
728 | POST_OUT(0x45); | |
729 | break; | |
730 | } | |
731 | pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, int_line); | |
732 | } | |
733 | ||
734 | extern void pci_405gp_init(struct pci_controller *hose); | |
735 | extern void pci_405gp_fixup_irq(struct pci_controller *hose, pci_dev_t dev); | |
736 | extern void pci_405gp_setup_bridge(struct pci_controller *hose, pci_dev_t dev,struct pci_config_table *entry); | |
737 | /* | |
738 | * The following table is used when there is a special need to setup a PCI device. | |
739 | * For every PCI device found in this table is called the given init function with given | |
740 | * parameters. So never let all IDs at PCI_ANY_ID. In this case any found device gets the same | |
741 | * parameters! | |
742 | * | |
743 | */ | |
744 | static struct pci_config_table pci_solidcard3_config_table[] = | |
745 | { | |
746 | /* Host to PCI Bridge device (405GP) */ | |
747 | { | |
748 | vendor: 0x1014, | |
749 | device: 0x0156, | |
750 | class: PCI_CLASS_BRIDGE_HOST, | |
751 | bus: 0, | |
752 | dev: 0, | |
753 | func: 0, | |
754 | config_device: pci_405gp_setup_bridge | |
755 | }, | |
756 | { } | |
757 | }; | |
758 | ||
759 | /*-------------------------------------------------------------------------+ | |
7817cb20 | 760 | | pci_init_board (Called from pci_init() in drivers/pci/pci.c) |
ca43ba18 HS |
761 | | |
762 | | Init the PCI part of the SolidCard III | |
763 | | | |
764 | | Params: | |
765 | * - Pointer to current PCI hose | |
766 | * - Current Device | |
767 | * | |
768 | * Returns | |
769 | * nothing | |
770 | +-------------------------------------------------------------------------*/ | |
771 | ||
772 | void pci_init_board(void) | |
773 | { | |
774 | POST_OUT(0x41); | |
775 | /* | |
776 | * we want the ptrs to RAM not flash (ie don't use init list) | |
777 | */ | |
778 | hose.fixup_irq = pci_solidcard3_fixup_irq; | |
779 | hose.config_table = pci_solidcard3_config_table; | |
780 | pci_405gp_init(&hose); | |
781 | } |