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 "../common/isa.h"
32 #include "../common/common_util.h"
34 DECLARE_GLOBAL_DATA_PTR;
41 /* stdlib.h causes some compatibility problems; should fixe these! -- wd */
42 #ifndef __ldiv_t_defined
44 long int quot; /* Quotient */
45 long int rem; /* Remainder */
47 extern ldiv_t ldiv (long int __numer, long int __denom);
49 # define __ldiv_t_defined 1
57 SDRAM_UNSUPPORTED_ERR,
62 const unsigned char mode;
63 const unsigned char row;
64 const unsigned char col;
65 const unsigned char bank;
68 static const SDRAM_SETUP sdram_setup_table[] = {
87 static const unsigned char cal_indextable[] = {
93 * translate ns.ns/10 coding of SPD timing values
94 * into 10 ps unit values
97 unsigned short NS10to10PS (unsigned char spd_byte, unsigned char spd_version)
99 unsigned short ns, ns10;
101 /* isolate upper nibble */
102 ns = (spd_byte >> 4) & 0x0F;
103 /* isolate lower nibble */
104 ns10 = (spd_byte & 0x0F);
106 return (ns * 100 + ns10 * 10);
110 * translate ns.ns/4 coding of SPD timing values
111 * into 10 ps unit values
114 unsigned short NS4to10PS (unsigned char spd_byte, unsigned char spd_version)
116 unsigned short ns, ns4;
118 /* isolate upper 6 bits */
119 ns = (spd_byte >> 2) & 0x3F;
120 /* isloate lower 2 bits */
121 ns4 = (spd_byte & 0x03);
123 return (ns * 100 + ns4 * 25);
127 * translate ns coding of SPD timing values
128 * into 10 ps unit values
131 unsigned short NSto10PS (unsigned char spd_byte)
133 return (spd_byte * 100);
136 void SDRAM_err (const char *s)
139 (void) get_clocks ();
145 serial_puts ("\n enable SDRAM_DEBUG for more info\n");
152 void write_hex (unsigned char i)
159 serial_putc (cc + 55);
161 serial_putc (cc + 48);
164 serial_putc (cc + 55);
166 serial_putc (cc + 48);
169 void write_4hex (unsigned long val)
171 write_hex ((unsigned char) (val >> 24));
172 write_hex ((unsigned char) (val >> 16));
173 write_hex ((unsigned char) (val >> 8));
174 write_hex ((unsigned char) val);
179 int board_early_init_f (void)
181 unsigned char dataout[1];
182 unsigned char datain[128];
183 unsigned long sdram_size = 0;
184 SDRAM_SETUP *t = (SDRAM_SETUP *) sdram_setup_table;
185 unsigned long memclk;
186 unsigned long tmemclk = 0;
187 unsigned long tmp, bank, baseaddr, bank_size;
189 unsigned char rows, cols, banks, sdram_banks, density;
190 unsigned char supported_cal, trp_clocks, trcd_clocks, tras_clocks,
191 trc_clocks, tctp_clocks;
192 unsigned char cal_index, cal_val, spd_version, spd_chksum;
193 unsigned char buf[8];
194 /* set up the config port */
195 mtdcr (ebccfga, pb7ap);
196 mtdcr (ebccfgd, CONFIG_PORT_AP);
197 mtdcr (ebccfga, pb7cr);
198 mtdcr (ebccfgd, CONFIG_PORT_CR);
200 memclk = get_bus_freq (tmemclk);
201 tmemclk = 1000000000 / (memclk / 100); /* in 10 ps units */
204 (void) get_clocks ();
207 serial_puts ("\nstart SDRAM Setup\n");
210 /* Read Serial Presence Detect Information */
211 i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
213 for (i = 0; i < 128; i++)
215 i2c_read(SPD_EEPROM_ADDRESS,0,1,datain,128);
217 serial_puts ("\ni2c_read returns ");
223 for (i = 0; i < 128; i++) {
224 write_hex (datain[i]);
226 if (((i + 1) % 16) == 0)
232 for (i = 0; i < 63; i++) {
233 spd_chksum += datain[i];
235 if (datain[63] != spd_chksum) {
237 serial_puts ("SPD chksum: 0x");
238 write_hex (datain[63]);
239 serial_puts (" != calc. chksum: 0x");
240 write_hex (spd_chksum);
243 SDRAM_err ("SPD checksum Error");
245 /* SPD seems to be ok, use it */
247 /* get SPD version */
248 spd_version = datain[62];
250 /* do some sanity checks on the kind of RAM */
251 if ((datain[0] < 0x80) || /* less than 128 valid bytes in SPD */
252 (datain[2] != 0x04) || /* if not SDRAM */
253 (!((datain[6] == 0x40) || (datain[6] == 0x48))) || /* or not (64 Bit or 72 Bit) */
254 (datain[7] != 0x00) || (datain[8] != 0x01) || /* or not LVTTL signal levels */
255 (datain[126] == 0x66)) /* or a 66Mhz modules */
256 SDRAM_err ("unsupported SDRAM");
258 serial_puts ("SDRAM sanity ok\n");
261 /* get number of rows/cols/banks out of byte 3+4+5 */
266 /* get number of SDRAM banks out of byte 17 and
267 supported CAS latencies out of byte 18 */
268 sdram_banks = datain[17];
269 supported_cal = datain[18] & ~0x81;
271 while (t->mode != 0) {
272 if ((t->row == rows) && (t->col == cols)
273 && (t->bank == sdram_banks))
279 serial_puts ("rows: ");
281 serial_puts (" cols: ");
283 serial_puts (" banks: ");
285 serial_puts (" mode: ");
290 SDRAM_err ("unsupported SDRAM");
291 /* get tRP, tRCD, tRAS and density from byte 27+29+30+31 */
293 serial_puts ("tRP: ");
294 write_hex (datain[27]);
295 serial_puts ("\ntRCD: ");
296 write_hex (datain[29]);
297 serial_puts ("\ntRAS: ");
298 write_hex (datain[30]);
302 trp_clocks = (NSto10PS (datain[27]) + (tmemclk - 1)) / tmemclk;
303 trcd_clocks = (NSto10PS (datain[29]) + (tmemclk - 1)) / tmemclk;
304 tras_clocks = (NSto10PS (datain[30]) + (tmemclk - 1)) / tmemclk;
305 density = datain[31];
307 /* trc_clocks is sum of trp_clocks + tras_clocks */
308 trc_clocks = trp_clocks + tras_clocks;
309 /* ctp = ((trp + tras) - trp - trcd) => tras - trcd */
311 ((NSto10PS (datain[30]) - NSto10PS (datain[29])) +
312 (tmemclk - 1)) / tmemclk;
315 serial_puts ("c_RP: ");
316 write_hex (trp_clocks);
317 serial_puts ("\nc_RCD: ");
318 write_hex (trcd_clocks);
319 serial_puts ("\nc_RAS: ");
320 write_hex (tras_clocks);
321 serial_puts ("\nc_RC: (RP+RAS): ");
322 write_hex (trc_clocks);
323 serial_puts ("\nc_CTP: ((RP+RAS)-RP-RCD): ");
324 write_hex (tctp_clocks);
325 serial_puts ("\nt_CTP: RAS - RCD: ");
327 char) ((NSto10PS (datain[30]) -
328 NSto10PS (datain[29])) >> 8));
329 write_hex ((unsigned char) (NSto10PS (datain[30]) - NSto10PS (datain[29])));
330 serial_puts ("\ntmemclk: ");
331 write_hex ((unsigned char) (tmemclk >> 8));
332 write_hex ((unsigned char) (tmemclk));
338 for (i = 6, cal_index = 0; (i > 0) && (cal_index < 3); i--) {
339 /* is this CAS latency supported ? */
340 if ((supported_cal >> i) & 0x01) {
341 buf[0] = datain[cal_indextable[cal_index]];
343 if (NS10to10PS (buf[0], spd_version) <= tmemclk)
346 /* SPD bytes 25+26 have another format */
347 if (NS4to10PS (buf[0], spd_version) <= tmemclk)
354 serial_puts ("CAL: ");
355 write_hex (cal_val + 1);
360 SDRAM_err ("unsupported SDRAM");
362 /* get SDRAM timing register */
363 mtdcr (memcfga, mem_sdtr1);
364 tmp = mfdcr (memcfgd) & ~0x018FC01F;
365 /* insert CASL value */
366 /* tmp |= ((unsigned long)cal_val) << 23; */
367 tmp |= ((unsigned long) cal_val) << 23;
368 /* insert PTA value */
369 tmp |= ((unsigned long) (trp_clocks - 1)) << 18;
370 /* insert CTP value */
371 /* tmp |= ((unsigned long)(trc_clocks - trp_clocks - trcd_clocks - 1)) << 16; */
372 tmp |= ((unsigned long) (trc_clocks - trp_clocks - trcd_clocks)) << 16;
373 /* insert LDF (always 01) */
374 tmp |= ((unsigned long) 0x01) << 14;
375 /* insert RFTA value */
376 tmp |= ((unsigned long) (trc_clocks - 4)) << 2;
377 /* insert RCD value */
378 tmp |= ((unsigned long) (trcd_clocks - 1)) << 0;
381 serial_puts ("sdtr: ");
386 /* write SDRAM timing register */
387 mtdcr (memcfga, mem_sdtr1);
388 mtdcr (memcfgd, tmp);
389 baseaddr = CFG_SDRAM_BASE;
390 bank_size = (((unsigned long) density) << 22) / 2;
391 /* insert AM value */
392 tmp = ((unsigned long) t->mode - 1) << 13;
393 /* insert SZ value; */
396 tmp |= ((unsigned long) 0x00) << 17;
399 tmp |= ((unsigned long) 0x01) << 17;
402 tmp |= ((unsigned long) 0x02) << 17;
405 tmp |= ((unsigned long) 0x03) << 17;
408 tmp |= ((unsigned long) 0x04) << 17;
411 tmp |= ((unsigned long) 0x05) << 17;
414 tmp |= ((unsigned long) 0x06) << 17;
417 SDRAM_err ("unsupported SDRAM");
419 /* get SDRAM bank 0 register */
420 mtdcr (memcfga, mem_mb0cf);
421 bank = mfdcr (memcfgd) & ~0xFFCEE001;
422 bank |= (baseaddr | tmp | 0x01);
424 serial_puts ("bank0: baseaddr: ");
425 write_4hex (baseaddr);
426 serial_puts (" banksize: ");
427 write_4hex (bank_size);
428 serial_puts (" mb0cf: ");
432 baseaddr += bank_size;
433 sdram_size += bank_size;
435 /* write SDRAM bank 0 register */
436 mtdcr (memcfga, mem_mb0cf);
437 mtdcr (memcfgd, bank);
439 /* get SDRAM bank 1 register */
440 mtdcr (memcfga, mem_mb1cf);
441 bank = mfdcr (memcfgd) & ~0xFFCEE001;
445 serial_puts ("bank1: baseaddr: ");
446 write_4hex (baseaddr);
447 serial_puts (" banksize: ");
448 write_4hex (bank_size);
451 bank |= (baseaddr | tmp | 0x01);
452 baseaddr += bank_size;
453 sdram_size += bank_size;
456 serial_puts (" mb1cf: ");
460 /* write SDRAM bank 1 register */
461 mtdcr (memcfga, mem_mb1cf);
462 mtdcr (memcfgd, bank);
464 /* get SDRAM bank 2 register */
465 mtdcr (memcfga, mem_mb2cf);
466 bank = mfdcr (memcfgd) & ~0xFFCEE001;
468 bank |= (baseaddr | tmp | 0x01);
471 serial_puts ("bank2: baseaddr: ");
472 write_4hex (baseaddr);
473 serial_puts (" banksize: ");
474 write_4hex (bank_size);
475 serial_puts (" mb2cf: ");
480 baseaddr += bank_size;
481 sdram_size += bank_size;
483 /* write SDRAM bank 2 register */
484 mtdcr (memcfga, mem_mb2cf);
485 mtdcr (memcfgd, bank);
487 /* get SDRAM bank 3 register */
488 mtdcr (memcfga, mem_mb3cf);
489 bank = mfdcr (memcfgd) & ~0xFFCEE001;
492 serial_puts ("bank3: baseaddr: ");
493 write_4hex (baseaddr);
494 serial_puts (" banksize: ");
495 write_4hex (bank_size);
499 bank |= (baseaddr | tmp | 0x01);
500 baseaddr += bank_size;
501 sdram_size += bank_size;
505 serial_puts (" mb3cf: ");
510 /* write SDRAM bank 3 register */
511 mtdcr (memcfga, mem_mb3cf);
512 mtdcr (memcfgd, bank);
515 /* get SDRAM refresh interval register */
516 mtdcr (memcfga, mem_rtr);
517 tmp = mfdcr (memcfgd) & ~0x3FF80000;
519 if (tmemclk < NSto10PS (16))
524 /* write SDRAM refresh interval register */
525 mtdcr (memcfga, mem_rtr);
526 mtdcr (memcfgd, tmp);
528 /* enable SDRAM controller with no ECC, 32-bit SDRAM width, 16 byte burst */
529 mtdcr (memcfga, mem_mcopt1);
530 tmp = (mfdcr (memcfgd) & ~0xFFE00000) | 0x80E00000;
531 mtdcr (memcfga, mem_mcopt1);
532 mtdcr (memcfgd, tmp);
535 /*-------------------------------------------------------------------------+
536 | Interrupt controller setup for the PIP405 board.
537 | Note: IRQ 0-15 405GP internally generated; active high; level sensitive
538 | IRQ 16 405GP internally generated; active low; level sensitive
540 | IRQ 25 (EXT IRQ 0) SouthBridg; active low; level sensitive
541 | IRQ 26 (EXT IRQ 1) NMI: active low; level sensitive
542 | IRQ 27 (EXT IRQ 2) SMI: active Low; level sensitive
543 | IRQ 28 (EXT IRQ 3) PCI SLOT 3; active low; level sensitive
544 | IRQ 29 (EXT IRQ 4) PCI SLOT 2; active low; level sensitive
545 | IRQ 30 (EXT IRQ 5) PCI SLOT 1; active low; level sensitive
546 | IRQ 31 (EXT IRQ 6) PCI SLOT 0; active low; level sensitive
547 | Note for PIP405 board:
548 | An interrupt taken for the SouthBridge (IRQ 25) indicates that
549 | the Interrupt Controller in the South Bridge has caused the
550 | interrupt. The IC must be read to determine which device
551 | caused the interrupt.
553 +-------------------------------------------------------------------------*/
554 mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */
555 mtdcr (uicer, 0x00000000); /* disable all ints */
556 mtdcr (uiccr, 0x00000000); /* set all to be non-critical (for now) */
557 mtdcr (uicpr, 0xFFFFFF80); /* set int polarities */
558 mtdcr (uictr, 0x10000000); /* set int trigger levels */
559 mtdcr (uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority */
560 mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */
566 /* ------------------------------------------------------------------------- */
569 * Check Board Identity:
572 int checkboard (void)
577 backup_t *b = (backup_t *) s;
581 i = getenv_r ("serial#", (char *)s, 32);
582 if ((i == 0) || strncmp ((char *)s, "PIP405", 6)) {
583 get_backup_values (b);
584 if (strncmp (b->signature, "MPL\0", 4) != 0) {
585 puts ("### No HW ID - assuming PIP405");
587 b->serial_name[6] = 0;
588 printf ("%s SN: %s", b->serial_name,
593 printf ("%s SN: %s", s, &s[7]);
595 bc = in8 (CONFIG_PORT_ADDR);
596 printf (" Boot Config: 0x%x\n", bc);
601 /* ------------------------------------------------------------------------- */
602 /* ------------------------------------------------------------------------- */
604 initdram(int board_type) reads EEPROM via I2c. EEPROM contains all of
605 the necessary info for SDRAM controller configuration
607 /* ------------------------------------------------------------------------- */
608 /* ------------------------------------------------------------------------- */
609 static int test_dram (unsigned long ramsize);
611 long int initdram (int board_type)
613 unsigned long bank_reg[4], tmp, bank_size;
615 unsigned long TotalSize;
618 /* since the DRAM controller is allready set up,
619 * calculate the size with the bank registers
621 mtdcr (memcfga, mem_mb0cf);
622 bank_reg[0] = mfdcr (memcfgd);
623 mtdcr (memcfga, mem_mb1cf);
624 bank_reg[1] = mfdcr (memcfgd);
625 mtdcr (memcfga, mem_mb2cf);
626 bank_reg[2] = mfdcr (memcfgd);
627 mtdcr (memcfga, mem_mb3cf);
628 bank_reg[3] = mfdcr (memcfgd);
630 for (i = 0; i < 4; i++) {
631 if ((bank_reg[i] & 0x1) == 0x1) {
632 tmp = (bank_reg[i] >> 17) & 0x7;
633 bank_size = 4 << tmp;
634 TotalSize += bank_size;
639 printf ("single-sided DIMM ");
641 printf ("double-sided DIMM ");
642 test_dram (TotalSize * 1024 * 1024);
643 /* bank 2 (SDRAM Clock 2) is not usable if 133MHz SDRAM IF */
645 if (gd->cpu_clk > 220000000)
647 return (TotalSize * 1024 * 1024);
650 /* ------------------------------------------------------------------------- */
653 static int test_dram (unsigned long ramsize)
655 /* not yet implemented */
660 extern flash_info_t flash_info[]; /* info for FLASH chips */
662 int misc_init_r (void)
664 /* adjust flash start and size as well as the offset */
665 gd->bd->bi_flashstart=0-flash_info[0].size;
666 gd->bd->bi_flashsize=flash_info[0].size-CFG_MONITOR_LEN;
667 gd->bd->bi_flashoffset=0;
669 /* if PIP405 has booted from PCI, reset CCR0[24] as described in errata PCI_18 */
670 if (mfdcr(strap) & PSR_ROM_LOC)
671 mtspr(ccr0, (mfspr(ccr0) & ~0x80));
676 /***************************************************************************
677 * some helping routines
680 int overwrite_console (void)
682 return (in8 (CONFIG_PORT_ADDR) & 0x1); /* return TRUE if console should be overwritten */
686 extern int isa_init (void);
689 void print_pip405_rev (void)
691 unsigned char part, vers, cfg;
693 part = in8 (PLD_PART_REG);
694 vers = in8 (PLD_VERS_REG);
695 cfg = in8 (PLD_BOARD_CFG_REG);
696 printf ("Rev: PIP405-%d Rev %c PLD%d %d PLD%d %d\n",
697 16 - ((cfg >> 4) & 0xf), (cfg & 0xf) + 'A', part & 0xf,
698 vers & 0xf, (part >> 4) & 0xf, (vers >> 4) & 0xf);
701 extern void check_env(void);
704 int last_stage_init (void)
713 /************************************************************************
715 ************************************************************************/
716 void print_pip405_info (void)
718 unsigned char part, vers, cfg, ledu, sysman, flashcom, can, serpwr,
719 compwr, nicvga, scsirst;
721 part = in8 (PLD_PART_REG);
722 vers = in8 (PLD_VERS_REG);
723 cfg = in8 (PLD_BOARD_CFG_REG);
724 ledu = in8 (PLD_LED_USER_REG);
725 sysman = in8 (PLD_SYS_MAN_REG);
726 flashcom = in8 (PLD_FLASH_COM_REG);
727 can = in8 (PLD_CAN_REG);
728 serpwr = in8 (PLD_SER_PWR_REG);
729 compwr = in8 (PLD_COM_PWR_REG);
730 nicvga = in8 (PLD_NIC_VGA_REG);
731 scsirst = in8 (PLD_SCSI_RST_REG);
732 printf ("PLD Part %d version %d\n",
733 part & 0xf, vers & 0xf);
734 printf ("PLD Part %d version %d\n",
735 (part >> 4) & 0xf, (vers >> 4) & 0xf);
736 printf ("Board Revision %c\n", (cfg & 0xf) + 'A');
737 printf ("Population Options %d %d %d %d\n",
738 (cfg >> 4) & 0x1, (cfg >> 5) & 0x1,
739 (cfg >> 6) & 0x1, (cfg >> 7) & 0x1);
740 printf ("User LED0 %s User LED1 %s\n",
741 ((ledu & 0x1) == 0x1) ? "on" : "off",
742 ((ledu & 0x2) == 0x2) ? "on" : "off");
743 printf ("Additionally Options %d %d\n",
744 (ledu >> 2) & 0x1, (ledu >> 3) & 0x1);
745 printf ("User Config Switch %d %d %d %d\n",
746 (ledu >> 4) & 0x1, (ledu >> 5) & 0x1,
747 (ledu >> 6) & 0x1, (ledu >> 7) & 0x1);
748 switch (sysman & 0x3) {
750 printf ("PCI Clocks are running\n");
753 printf ("PCI Clocks are stopped in POS State\n");
756 printf ("PCI Clocks are stopped when PCI_STP# is asserted\n");
759 printf ("PCI Clocks are stopped\n");
762 switch ((sysman >> 2) & 0x3) {
764 printf ("Main Clocks are running\n");
767 printf ("Main Clocks are stopped in POS State\n");
771 printf ("PCI Clocks are stopped\n");
774 printf ("INIT asserts %sINT2# (SMI)\n",
775 ((sysman & 0x10) == 0x10) ? "" : "not ");
776 printf ("INIT asserts %sINT1# (NMI)\n",
777 ((sysman & 0x20) == 0x20) ? "" : "not ");
778 printf ("INIT occured %d\n", (sysman >> 6) & 0x1);
779 printf ("SER1 is routed to %s\n",
780 ((flashcom & 0x1) == 0x1) ? "RS485" : "RS232");
781 printf ("COM2 is routed to %s\n",
782 ((flashcom & 0x2) == 0x2) ? "RS485" : "RS232");
783 printf ("RS485 is configured as %s duplex\n",
784 ((flashcom & 0x4) == 0x4) ? "full" : "half");
785 printf ("RS485 is connected to %s\n",
786 ((flashcom & 0x8) == 0x8) ? "COM1" : "COM2");
787 printf ("SER1 uses handshakes %s\n",
788 ((flashcom & 0x10) == 0x10) ? "DTR/DSR" : "RTS/CTS");
789 printf ("Bootflash is %swriteprotected\n",
790 ((flashcom & 0x20) == 0x20) ? "not " : "");
791 printf ("Bootflash VPP is %s\n",
792 ((flashcom & 0x40) == 0x40) ? "on" : "off");
793 printf ("Bootsector is %swriteprotected\n",
794 ((flashcom & 0x80) == 0x80) ? "not " : "");
795 switch ((can) & 0x3) {
797 printf ("CAN Controller is on address 0x1000..0x10FF\n");
800 printf ("CAN Controller is on address 0x8000..0x80FF\n");
803 printf ("CAN Controller is on address 0xE000..0xE0FF\n");
806 printf ("CAN Controller is disabled\n");
809 switch ((can >> 2) & 0x3) {
811 printf ("CAN Controller Reset is ISA Reset\n");
814 printf ("CAN Controller Reset is ISA Reset and POS State\n");
818 printf ("CAN Controller is in reset\n");
821 if (((can >> 4) < 3) || ((can >> 4) == 8) || ((can >> 4) == 13))
822 printf ("CAN Interrupt is disabled\n");
824 printf ("CAN Interrupt is ISA INT%d\n", (can >> 4) & 0xf);
825 switch (serpwr & 0x3) {
827 printf ("SER0 Drivers are enabled\n");
830 printf ("SER0 Drivers are disabled in the POS state\n");
834 printf ("SER0 Drivers are disabled\n");
837 switch ((serpwr >> 2) & 0x3) {
839 printf ("SER1 Drivers are enabled\n");
842 printf ("SER1 Drivers are disabled in the POS state\n");
846 printf ("SER1 Drivers are disabled\n");
849 switch (compwr & 0x3) {
851 printf ("COM1 Drivers are enabled\n");
854 printf ("COM1 Drivers are disabled in the POS state\n");
858 printf ("COM1 Drivers are disabled\n");
861 switch ((compwr >> 2) & 0x3) {
863 printf ("COM2 Drivers are enabled\n");
866 printf ("COM2 Drivers are disabled in the POS state\n");
870 printf ("COM2 Drivers are disabled\n");
873 switch ((nicvga) & 0x3) {
875 printf ("PHY is running\n");
878 printf ("PHY is in Power save mode in POS state\n");
882 printf ("PHY is in Power save mode\n");
885 switch ((nicvga >> 2) & 0x3) {
887 printf ("VGA is running\n");
890 printf ("VGA is in Power save mode in POS state\n");
894 printf ("VGA is in Power save mode\n");
897 printf ("PHY is %sreseted\n", ((nicvga & 0x10) == 0x10) ? "" : "not ");
898 printf ("VGA is %sreseted\n", ((nicvga & 0x20) == 0x20) ? "" : "not ");
899 printf ("Reserved Configuration is %d %d\n", (nicvga >> 6) & 0x1,
900 (nicvga >> 7) & 0x1);
901 switch ((scsirst) & 0x3) {
903 printf ("SCSI Controller is running\n");
906 printf ("SCSI Controller is in Power save mode in POS state\n");
910 printf ("SCSI Controller is in Power save mode\n");
913 printf ("SCSI termination is %s\n",
914 ((scsirst & 0x4) == 0x4) ? "disabled" : "enabled");
915 printf ("SCSI Controller is %sreseted\n",
916 ((scsirst & 0x10) == 0x10) ? "" : "not ");
917 printf ("IDE disks are %sreseted\n",
918 ((scsirst & 0x20) == 0x20) ? "" : "not ");
919 printf ("ISA Bus is %sreseted\n",
920 ((scsirst & 0x40) == 0x40) ? "" : "not ");
921 printf ("Super IO is %sreseted\n",
922 ((scsirst & 0x80) == 0x80) ? "" : "not ");
925 void user_led0 (unsigned char on)
928 out8 (PLD_LED_USER_REG, (in8 (PLD_LED_USER_REG) | 0x1));
930 out8 (PLD_LED_USER_REG, (in8 (PLD_LED_USER_REG) & 0xfe));
933 void user_led1 (unsigned char on)
936 out8 (PLD_LED_USER_REG, (in8 (PLD_LED_USER_REG) | 0x2));
938 out8 (PLD_LED_USER_REG, (in8 (PLD_LED_USER_REG) & 0xfd));
941 void ide_set_reset (int idereset)
943 /* if reset = 1 IDE reset will be asserted */
944 unsigned char resreg;
946 resreg = in8 (PLD_SCSI_RST_REG);
953 out8 (PLD_SCSI_RST_REG, resreg);