3 * Denis Peter, MPL AG Switzerland, d.peter@mpl.ch
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
29 #include <asm/processor.h>
31 #include <stdio_dev.h>
32 #include "../common/isa.h"
33 #include "../common/common_util.h"
35 DECLARE_GLOBAL_DATA_PTR;
42 /* stdlib.h causes some compatibility problems; should fixe these! -- wd */
43 #ifndef __ldiv_t_defined
45 long int quot; /* Quotient */
46 long int rem; /* Remainder */
48 extern ldiv_t ldiv (long int __numer, long int __denom);
50 # define __ldiv_t_defined 1
58 SDRAM_UNSUPPORTED_ERR,
63 const unsigned char mode;
64 const unsigned char row;
65 const unsigned char col;
66 const unsigned char bank;
69 static const SDRAM_SETUP sdram_setup_table[] = {
88 static const unsigned char cal_indextable[] = {
94 * translate ns.ns/10 coding of SPD timing values
95 * into 10 ps unit values
98 unsigned short NS10to10PS (unsigned char spd_byte, unsigned char spd_version)
100 unsigned short ns, ns10;
102 /* isolate upper nibble */
103 ns = (spd_byte >> 4) & 0x0F;
104 /* isolate lower nibble */
105 ns10 = (spd_byte & 0x0F);
107 return (ns * 100 + ns10 * 10);
111 * translate ns.ns/4 coding of SPD timing values
112 * into 10 ps unit values
115 unsigned short NS4to10PS (unsigned char spd_byte, unsigned char spd_version)
117 unsigned short ns, ns4;
119 /* isolate upper 6 bits */
120 ns = (spd_byte >> 2) & 0x3F;
121 /* isloate lower 2 bits */
122 ns4 = (spd_byte & 0x03);
124 return (ns * 100 + ns4 * 25);
128 * translate ns coding of SPD timing values
129 * into 10 ps unit values
132 unsigned short NSto10PS (unsigned char spd_byte)
134 return (spd_byte * 100);
137 void SDRAM_err (const char *s)
140 (void) get_clocks ();
146 serial_puts ("\n enable SDRAM_DEBUG for more info\n");
153 void write_hex (unsigned char i)
160 serial_putc (cc + 55);
162 serial_putc (cc + 48);
165 serial_putc (cc + 55);
167 serial_putc (cc + 48);
170 void write_4hex (unsigned long val)
172 write_hex ((unsigned char) (val >> 24));
173 write_hex ((unsigned char) (val >> 16));
174 write_hex ((unsigned char) (val >> 8));
175 write_hex ((unsigned char) val);
180 int board_early_init_f (void)
182 unsigned char dataout[1];
183 unsigned char datain[128];
184 unsigned long sdram_size = 0;
185 SDRAM_SETUP *t = (SDRAM_SETUP *) sdram_setup_table;
186 unsigned long memclk;
187 unsigned long tmemclk = 0;
188 unsigned long tmp, bank, baseaddr, bank_size;
190 unsigned char rows, cols, banks, sdram_banks, density;
191 unsigned char supported_cal, trp_clocks, trcd_clocks, tras_clocks,
192 trc_clocks, tctp_clocks;
193 unsigned char cal_index, cal_val, spd_version, spd_chksum;
194 unsigned char buf[8];
195 /* set up the config port */
196 mtdcr (EBC0_CFGADDR, PB7AP);
197 mtdcr (EBC0_CFGDATA, CONFIG_PORT_AP);
198 mtdcr (EBC0_CFGADDR, PB7CR);
199 mtdcr (EBC0_CFGDATA, CONFIG_PORT_CR);
201 memclk = get_bus_freq (tmemclk);
202 tmemclk = 1000000000 / (memclk / 100); /* in 10 ps units */
205 (void) get_clocks ();
208 serial_puts ("\nstart SDRAM Setup\n");
211 /* Read Serial Presence Detect Information */
212 i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
214 for (i = 0; i < 128; i++)
216 i2c_read(SPD_EEPROM_ADDRESS,0,1,datain,128);
218 serial_puts ("\ni2c_read returns ");
224 for (i = 0; i < 128; i++) {
225 write_hex (datain[i]);
227 if (((i + 1) % 16) == 0)
233 for (i = 0; i < 63; i++) {
234 spd_chksum += datain[i];
236 if (datain[63] != spd_chksum) {
238 serial_puts ("SPD chksum: 0x");
239 write_hex (datain[63]);
240 serial_puts (" != calc. chksum: 0x");
241 write_hex (spd_chksum);
244 SDRAM_err ("SPD checksum Error");
246 /* SPD seems to be ok, use it */
248 /* get SPD version */
249 spd_version = datain[62];
251 /* do some sanity checks on the kind of RAM */
252 if ((datain[0] < 0x80) || /* less than 128 valid bytes in SPD */
253 (datain[2] != 0x04) || /* if not SDRAM */
254 (!((datain[6] == 0x40) || (datain[6] == 0x48))) || /* or not (64 Bit or 72 Bit) */
255 (datain[7] != 0x00) || (datain[8] != 0x01) || /* or not LVTTL signal levels */
256 (datain[126] == 0x66)) /* or a 66MHz modules */
257 SDRAM_err ("unsupported SDRAM");
259 serial_puts ("SDRAM sanity ok\n");
262 /* get number of rows/cols/banks out of byte 3+4+5 */
267 /* get number of SDRAM banks out of byte 17 and
268 supported CAS latencies out of byte 18 */
269 sdram_banks = datain[17];
270 supported_cal = datain[18] & ~0x81;
272 while (t->mode != 0) {
273 if ((t->row == rows) && (t->col == cols)
274 && (t->bank == sdram_banks))
280 serial_puts ("rows: ");
282 serial_puts (" cols: ");
284 serial_puts (" banks: ");
286 serial_puts (" mode: ");
291 SDRAM_err ("unsupported SDRAM");
292 /* get tRP, tRCD, tRAS and density from byte 27+29+30+31 */
294 serial_puts ("tRP: ");
295 write_hex (datain[27]);
296 serial_puts ("\ntRCD: ");
297 write_hex (datain[29]);
298 serial_puts ("\ntRAS: ");
299 write_hex (datain[30]);
303 trp_clocks = (NSto10PS (datain[27]) + (tmemclk - 1)) / tmemclk;
304 trcd_clocks = (NSto10PS (datain[29]) + (tmemclk - 1)) / tmemclk;
305 tras_clocks = (NSto10PS (datain[30]) + (tmemclk - 1)) / tmemclk;
306 density = datain[31];
308 /* trc_clocks is sum of trp_clocks + tras_clocks */
309 trc_clocks = trp_clocks + tras_clocks;
310 /* ctp = ((trp + tras) - trp - trcd) => tras - trcd */
312 ((NSto10PS (datain[30]) - NSto10PS (datain[29])) +
313 (tmemclk - 1)) / tmemclk;
316 serial_puts ("c_RP: ");
317 write_hex (trp_clocks);
318 serial_puts ("\nc_RCD: ");
319 write_hex (trcd_clocks);
320 serial_puts ("\nc_RAS: ");
321 write_hex (tras_clocks);
322 serial_puts ("\nc_RC: (RP+RAS): ");
323 write_hex (trc_clocks);
324 serial_puts ("\nc_CTP: ((RP+RAS)-RP-RCD): ");
325 write_hex (tctp_clocks);
326 serial_puts ("\nt_CTP: RAS - RCD: ");
328 char) ((NSto10PS (datain[30]) -
329 NSto10PS (datain[29])) >> 8));
330 write_hex ((unsigned char) (NSto10PS (datain[30]) - NSto10PS (datain[29])));
331 serial_puts ("\ntmemclk: ");
332 write_hex ((unsigned char) (tmemclk >> 8));
333 write_hex ((unsigned char) (tmemclk));
339 for (i = 6, cal_index = 0; (i > 0) && (cal_index < 3); i--) {
340 /* is this CAS latency supported ? */
341 if ((supported_cal >> i) & 0x01) {
342 buf[0] = datain[cal_indextable[cal_index]];
344 if (NS10to10PS (buf[0], spd_version) <= tmemclk)
347 /* SPD bytes 25+26 have another format */
348 if (NS4to10PS (buf[0], spd_version) <= tmemclk)
355 serial_puts ("CAL: ");
356 write_hex (cal_val + 1);
361 SDRAM_err ("unsupported SDRAM");
363 /* get SDRAM timing register */
364 mtdcr (SDRAM0_CFGADDR, SDRAM0_TR);
365 tmp = mfdcr (SDRAM0_CFGDATA) & ~0x018FC01F;
366 /* insert CASL value */
367 /* tmp |= ((unsigned long)cal_val) << 23; */
368 tmp |= ((unsigned long) cal_val) << 23;
369 /* insert PTA value */
370 tmp |= ((unsigned long) (trp_clocks - 1)) << 18;
371 /* insert CTP value */
372 /* tmp |= ((unsigned long)(trc_clocks - trp_clocks - trcd_clocks - 1)) << 16; */
373 tmp |= ((unsigned long) (trc_clocks - trp_clocks - trcd_clocks)) << 16;
374 /* insert LDF (always 01) */
375 tmp |= ((unsigned long) 0x01) << 14;
376 /* insert RFTA value */
377 tmp |= ((unsigned long) (trc_clocks - 4)) << 2;
378 /* insert RCD value */
379 tmp |= ((unsigned long) (trcd_clocks - 1)) << 0;
382 serial_puts ("sdtr: ");
387 /* write SDRAM timing register */
388 mtdcr (SDRAM0_CFGADDR, SDRAM0_TR);
389 mtdcr (SDRAM0_CFGDATA, tmp);
390 baseaddr = CONFIG_SYS_SDRAM_BASE;
391 bank_size = (((unsigned long) density) << 22) / 2;
392 /* insert AM value */
393 tmp = ((unsigned long) t->mode - 1) << 13;
394 /* insert SZ value; */
397 tmp |= ((unsigned long) 0x00) << 17;
400 tmp |= ((unsigned long) 0x01) << 17;
403 tmp |= ((unsigned long) 0x02) << 17;
406 tmp |= ((unsigned long) 0x03) << 17;
409 tmp |= ((unsigned long) 0x04) << 17;
412 tmp |= ((unsigned long) 0x05) << 17;
415 tmp |= ((unsigned long) 0x06) << 17;
418 SDRAM_err ("unsupported SDRAM");
420 /* get SDRAM bank 0 register */
421 mtdcr (SDRAM0_CFGADDR, SDRAM0_B0CR);
422 bank = mfdcr (SDRAM0_CFGDATA) & ~0xFFCEE001;
423 bank |= (baseaddr | tmp | 0x01);
425 serial_puts ("bank0: baseaddr: ");
426 write_4hex (baseaddr);
427 serial_puts (" banksize: ");
428 write_4hex (bank_size);
429 serial_puts (" mb0cf: ");
433 baseaddr += bank_size;
434 sdram_size += bank_size;
436 /* write SDRAM bank 0 register */
437 mtdcr (SDRAM0_CFGADDR, SDRAM0_B0CR);
438 mtdcr (SDRAM0_CFGDATA, bank);
440 /* get SDRAM bank 1 register */
441 mtdcr (SDRAM0_CFGADDR, SDRAM0_B1CR);
442 bank = mfdcr (SDRAM0_CFGDATA) & ~0xFFCEE001;
446 serial_puts ("bank1: baseaddr: ");
447 write_4hex (baseaddr);
448 serial_puts (" banksize: ");
449 write_4hex (bank_size);
452 bank |= (baseaddr | tmp | 0x01);
453 baseaddr += bank_size;
454 sdram_size += bank_size;
457 serial_puts (" mb1cf: ");
461 /* write SDRAM bank 1 register */
462 mtdcr (SDRAM0_CFGADDR, SDRAM0_B1CR);
463 mtdcr (SDRAM0_CFGDATA, bank);
465 /* get SDRAM bank 2 register */
466 mtdcr (SDRAM0_CFGADDR, SDRAM0_B2CR);
467 bank = mfdcr (SDRAM0_CFGDATA) & ~0xFFCEE001;
469 bank |= (baseaddr | tmp | 0x01);
472 serial_puts ("bank2: baseaddr: ");
473 write_4hex (baseaddr);
474 serial_puts (" banksize: ");
475 write_4hex (bank_size);
476 serial_puts (" mb2cf: ");
481 baseaddr += bank_size;
482 sdram_size += bank_size;
484 /* write SDRAM bank 2 register */
485 mtdcr (SDRAM0_CFGADDR, SDRAM0_B2CR);
486 mtdcr (SDRAM0_CFGDATA, bank);
488 /* get SDRAM bank 3 register */
489 mtdcr (SDRAM0_CFGADDR, SDRAM0_B3CR);
490 bank = mfdcr (SDRAM0_CFGDATA) & ~0xFFCEE001;
493 serial_puts ("bank3: baseaddr: ");
494 write_4hex (baseaddr);
495 serial_puts (" banksize: ");
496 write_4hex (bank_size);
500 bank |= (baseaddr | tmp | 0x01);
501 baseaddr += bank_size;
502 sdram_size += bank_size;
506 serial_puts (" mb3cf: ");
511 /* write SDRAM bank 3 register */
512 mtdcr (SDRAM0_CFGADDR, SDRAM0_B3CR);
513 mtdcr (SDRAM0_CFGDATA, bank);
516 /* get SDRAM refresh interval register */
517 mtdcr (SDRAM0_CFGADDR, SDRAM0_RTR);
518 tmp = mfdcr (SDRAM0_CFGDATA) & ~0x3FF80000;
520 if (tmemclk < NSto10PS (16))
525 /* write SDRAM refresh interval register */
526 mtdcr (SDRAM0_CFGADDR, SDRAM0_RTR);
527 mtdcr (SDRAM0_CFGDATA, tmp);
529 /* enable SDRAM controller with no ECC, 32-bit SDRAM width, 16 byte burst */
530 mtdcr (SDRAM0_CFGADDR, SDRAM0_CFG);
531 tmp = (mfdcr (SDRAM0_CFGDATA) & ~0xFFE00000) | 0x80E00000;
532 mtdcr (SDRAM0_CFGADDR, SDRAM0_CFG);
533 mtdcr (SDRAM0_CFGDATA, tmp);
536 /*-------------------------------------------------------------------------+
537 | Interrupt controller setup for the PIP405 board.
538 | Note: IRQ 0-15 405GP internally generated; active high; level sensitive
539 | IRQ 16 405GP internally generated; active low; level sensitive
541 | IRQ 25 (EXT IRQ 0) SouthBridg; active low; level sensitive
542 | IRQ 26 (EXT IRQ 1) NMI: active low; level sensitive
543 | IRQ 27 (EXT IRQ 2) SMI: active Low; level sensitive
544 | IRQ 28 (EXT IRQ 3) PCI SLOT 3; active low; level sensitive
545 | IRQ 29 (EXT IRQ 4) PCI SLOT 2; active low; level sensitive
546 | IRQ 30 (EXT IRQ 5) PCI SLOT 1; active low; level sensitive
547 | IRQ 31 (EXT IRQ 6) PCI SLOT 0; active low; level sensitive
548 | Note for PIP405 board:
549 | An interrupt taken for the SouthBridge (IRQ 25) indicates that
550 | the Interrupt Controller in the South Bridge has caused the
551 | interrupt. The IC must be read to determine which device
552 | caused the interrupt.
554 +-------------------------------------------------------------------------*/
555 mtdcr (UIC0SR, 0xFFFFFFFF); /* clear all ints */
556 mtdcr (UIC0ER, 0x00000000); /* disable all ints */
557 mtdcr (UIC0CR, 0x00000000); /* set all to be non-critical (for now) */
558 mtdcr (UIC0PR, 0xFFFFFF80); /* set int polarities */
559 mtdcr (UIC0TR, 0x10000000); /* set int trigger levels */
560 mtdcr (UIC0VCR, 0x00000001); /* set vect base=0,INT0 highest priority */
561 mtdcr (UIC0SR, 0xFFFFFFFF); /* clear all ints */
567 /* ------------------------------------------------------------------------- */
570 * Check Board Identity:
573 int checkboard (void)
578 backup_t *b = (backup_t *) s;
582 i = getenv_r ("serial#", (char *)s, 32);
583 if ((i == 0) || strncmp ((char *)s, "PIP405", 6)) {
584 get_backup_values (b);
585 if (strncmp (b->signature, "MPL\0", 4) != 0) {
586 puts ("### No HW ID - assuming PIP405");
588 b->serial_name[6] = 0;
589 printf ("%s SN: %s", b->serial_name,
594 printf ("%s SN: %s", s, &s[7]);
596 bc = in8 (CONFIG_PORT_ADDR);
597 printf (" Boot Config: 0x%x\n", bc);
602 /* ------------------------------------------------------------------------- */
603 /* ------------------------------------------------------------------------- */
605 initdram(int board_type) reads EEPROM via I2c. EEPROM contains all of
606 the necessary info for SDRAM controller configuration
608 /* ------------------------------------------------------------------------- */
609 /* ------------------------------------------------------------------------- */
610 static int test_dram (unsigned long ramsize);
612 phys_size_t initdram (int board_type)
614 unsigned long bank_reg[4], tmp, bank_size;
616 unsigned long TotalSize;
619 /* since the DRAM controller is allready set up,
620 * calculate the size with the bank registers
622 mtdcr (SDRAM0_CFGADDR, SDRAM0_B0CR);
623 bank_reg[0] = mfdcr (SDRAM0_CFGDATA);
624 mtdcr (SDRAM0_CFGADDR, SDRAM0_B1CR);
625 bank_reg[1] = mfdcr (SDRAM0_CFGDATA);
626 mtdcr (SDRAM0_CFGADDR, SDRAM0_B2CR);
627 bank_reg[2] = mfdcr (SDRAM0_CFGDATA);
628 mtdcr (SDRAM0_CFGADDR, SDRAM0_B3CR);
629 bank_reg[3] = mfdcr (SDRAM0_CFGDATA);
631 for (i = 0; i < 4; i++) {
632 if ((bank_reg[i] & 0x1) == 0x1) {
633 tmp = (bank_reg[i] >> 17) & 0x7;
634 bank_size = 4 << tmp;
635 TotalSize += bank_size;
640 printf ("single-sided DIMM ");
642 printf ("double-sided DIMM ");
643 test_dram (TotalSize * 1024 * 1024);
644 /* bank 2 (SDRAM Clock 2) is not usable if 133MHz SDRAM IF */
646 if (gd->cpu_clk > 220000000)
648 return (TotalSize * 1024 * 1024);
651 /* ------------------------------------------------------------------------- */
654 static int test_dram (unsigned long ramsize)
656 /* not yet implemented */
661 extern flash_info_t flash_info[]; /* info for FLASH chips */
663 int misc_init_r (void)
665 /* adjust flash start and size as well as the offset */
666 gd->bd->bi_flashstart=0-flash_info[0].size;
667 gd->bd->bi_flashsize=flash_info[0].size-CONFIG_SYS_MONITOR_LEN;
668 gd->bd->bi_flashoffset=0;
670 /* if PIP405 has booted from PCI, reset CCR0[24] as described in errata PCI_18 */
671 if (mfdcr(CPC0_PSR) & PSR_ROM_LOC)
672 mtspr(SPRN_CCR0, (mfspr(SPRN_CCR0) & ~0x80));
677 /***************************************************************************
678 * some helping routines
681 int overwrite_console (void)
683 return (in8 (CONFIG_PORT_ADDR) & 0x1); /* return TRUE if console should be overwritten */
687 extern int isa_init (void);
690 void print_pip405_rev (void)
692 unsigned char part, vers, cfg;
694 part = in8 (PLD_PART_REG);
695 vers = in8 (PLD_VERS_REG);
696 cfg = in8 (PLD_BOARD_CFG_REG);
697 printf ("Rev: PIP405-%d Rev %c PLD%d %d PLD%d %d\n",
698 16 - ((cfg >> 4) & 0xf), (cfg & 0xf) + 'A', part & 0xf,
699 vers & 0xf, (part >> 4) & 0xf, (vers >> 4) & 0xf);
702 extern void check_env(void);
705 int last_stage_init (void)
709 stdio_print_current_devices ();
714 /************************************************************************
716 ************************************************************************/
717 void print_pip405_info (void)
719 unsigned char part, vers, cfg, ledu, sysman, flashcom, can, serpwr,
720 compwr, nicvga, scsirst;
722 part = in8 (PLD_PART_REG);
723 vers = in8 (PLD_VERS_REG);
724 cfg = in8 (PLD_BOARD_CFG_REG);
725 ledu = in8 (PLD_LED_USER_REG);
726 sysman = in8 (PLD_SYS_MAN_REG);
727 flashcom = in8 (PLD_FLASH_COM_REG);
728 can = in8 (PLD_CAN_REG);
729 serpwr = in8 (PLD_SER_PWR_REG);
730 compwr = in8 (PLD_COM_PWR_REG);
731 nicvga = in8 (PLD_NIC_VGA_REG);
732 scsirst = in8 (PLD_SCSI_RST_REG);
733 printf ("PLD Part %d version %d\n",
734 part & 0xf, vers & 0xf);
735 printf ("PLD Part %d version %d\n",
736 (part >> 4) & 0xf, (vers >> 4) & 0xf);
737 printf ("Board Revision %c\n", (cfg & 0xf) + 'A');
738 printf ("Population Options %d %d %d %d\n",
739 (cfg >> 4) & 0x1, (cfg >> 5) & 0x1,
740 (cfg >> 6) & 0x1, (cfg >> 7) & 0x1);
741 printf ("User LED0 %s User LED1 %s\n",
742 ((ledu & 0x1) == 0x1) ? "on" : "off",
743 ((ledu & 0x2) == 0x2) ? "on" : "off");
744 printf ("Additionally Options %d %d\n",
745 (ledu >> 2) & 0x1, (ledu >> 3) & 0x1);
746 printf ("User Config Switch %d %d %d %d\n",
747 (ledu >> 4) & 0x1, (ledu >> 5) & 0x1,
748 (ledu >> 6) & 0x1, (ledu >> 7) & 0x1);
749 switch (sysman & 0x3) {
751 printf ("PCI Clocks are running\n");
754 printf ("PCI Clocks are stopped in POS State\n");
757 printf ("PCI Clocks are stopped when PCI_STP# is asserted\n");
760 printf ("PCI Clocks are stopped\n");
763 switch ((sysman >> 2) & 0x3) {
765 printf ("Main Clocks are running\n");
768 printf ("Main Clocks are stopped in POS State\n");
772 printf ("PCI Clocks are stopped\n");
775 printf ("INIT asserts %sINT2# (SMI)\n",
776 ((sysman & 0x10) == 0x10) ? "" : "not ");
777 printf ("INIT asserts %sINT1# (NMI)\n",
778 ((sysman & 0x20) == 0x20) ? "" : "not ");
779 printf ("INIT occured %d\n", (sysman >> 6) & 0x1);
780 printf ("SER1 is routed to %s\n",
781 ((flashcom & 0x1) == 0x1) ? "RS485" : "RS232");
782 printf ("COM2 is routed to %s\n",
783 ((flashcom & 0x2) == 0x2) ? "RS485" : "RS232");
784 printf ("RS485 is configured as %s duplex\n",
785 ((flashcom & 0x4) == 0x4) ? "full" : "half");
786 printf ("RS485 is connected to %s\n",
787 ((flashcom & 0x8) == 0x8) ? "COM1" : "COM2");
788 printf ("SER1 uses handshakes %s\n",
789 ((flashcom & 0x10) == 0x10) ? "DTR/DSR" : "RTS/CTS");
790 printf ("Bootflash is %swriteprotected\n",
791 ((flashcom & 0x20) == 0x20) ? "not " : "");
792 printf ("Bootflash VPP is %s\n",
793 ((flashcom & 0x40) == 0x40) ? "on" : "off");
794 printf ("Bootsector is %swriteprotected\n",
795 ((flashcom & 0x80) == 0x80) ? "not " : "");
796 switch ((can) & 0x3) {
798 printf ("CAN Controller is on address 0x1000..0x10FF\n");
801 printf ("CAN Controller is on address 0x8000..0x80FF\n");
804 printf ("CAN Controller is on address 0xE000..0xE0FF\n");
807 printf ("CAN Controller is disabled\n");
810 switch ((can >> 2) & 0x3) {
812 printf ("CAN Controller Reset is ISA Reset\n");
815 printf ("CAN Controller Reset is ISA Reset and POS State\n");
819 printf ("CAN Controller is in reset\n");
822 if (((can >> 4) < 3) || ((can >> 4) == 8) || ((can >> 4) == 13))
823 printf ("CAN Interrupt is disabled\n");
825 printf ("CAN Interrupt is ISA INT%d\n", (can >> 4) & 0xf);
826 switch (serpwr & 0x3) {
828 printf ("SER0 Drivers are enabled\n");
831 printf ("SER0 Drivers are disabled in the POS state\n");
835 printf ("SER0 Drivers are disabled\n");
838 switch ((serpwr >> 2) & 0x3) {
840 printf ("SER1 Drivers are enabled\n");
843 printf ("SER1 Drivers are disabled in the POS state\n");
847 printf ("SER1 Drivers are disabled\n");
850 switch (compwr & 0x3) {
852 printf ("COM1 Drivers are enabled\n");
855 printf ("COM1 Drivers are disabled in the POS state\n");
859 printf ("COM1 Drivers are disabled\n");
862 switch ((compwr >> 2) & 0x3) {
864 printf ("COM2 Drivers are enabled\n");
867 printf ("COM2 Drivers are disabled in the POS state\n");
871 printf ("COM2 Drivers are disabled\n");
874 switch ((nicvga) & 0x3) {
876 printf ("PHY is running\n");
879 printf ("PHY is in Power save mode in POS state\n");
883 printf ("PHY is in Power save mode\n");
886 switch ((nicvga >> 2) & 0x3) {
888 printf ("VGA is running\n");
891 printf ("VGA is in Power save mode in POS state\n");
895 printf ("VGA is in Power save mode\n");
898 printf ("PHY is %sreseted\n", ((nicvga & 0x10) == 0x10) ? "" : "not ");
899 printf ("VGA is %sreseted\n", ((nicvga & 0x20) == 0x20) ? "" : "not ");
900 printf ("Reserved Configuration is %d %d\n", (nicvga >> 6) & 0x1,
901 (nicvga >> 7) & 0x1);
902 switch ((scsirst) & 0x3) {
904 printf ("SCSI Controller is running\n");
907 printf ("SCSI Controller is in Power save mode in POS state\n");
911 printf ("SCSI Controller is in Power save mode\n");
914 printf ("SCSI termination is %s\n",
915 ((scsirst & 0x4) == 0x4) ? "disabled" : "enabled");
916 printf ("SCSI Controller is %sreseted\n",
917 ((scsirst & 0x10) == 0x10) ? "" : "not ");
918 printf ("IDE disks are %sreseted\n",
919 ((scsirst & 0x20) == 0x20) ? "" : "not ");
920 printf ("ISA Bus is %sreseted\n",
921 ((scsirst & 0x40) == 0x40) ? "" : "not ");
922 printf ("Super IO is %sreseted\n",
923 ((scsirst & 0x80) == 0x80) ? "" : "not ");
926 void user_led0 (unsigned char on)
929 out8 (PLD_LED_USER_REG, (in8 (PLD_LED_USER_REG) | 0x1));
931 out8 (PLD_LED_USER_REG, (in8 (PLD_LED_USER_REG) & 0xfe));
934 void user_led1 (unsigned char on)
937 out8 (PLD_LED_USER_REG, (in8 (PLD_LED_USER_REG) | 0x2));
939 out8 (PLD_LED_USER_REG, (in8 (PLD_LED_USER_REG) & 0xfd));
942 void ide_set_reset (int idereset)
944 /* if reset = 1 IDE reset will be asserted */
945 unsigned char resreg;
947 resreg = in8 (PLD_SCSI_RST_REG);
954 out8 (PLD_SCSI_RST_REG, resreg);