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Diffstat (limited to 'board/mpl/pip405/pip405.c')
| -rw-r--r-- | board/mpl/pip405/pip405.c | 958 |
1 files changed, 0 insertions, 958 deletions
diff --git a/board/mpl/pip405/pip405.c b/board/mpl/pip405/pip405.c deleted file mode 100644 index 408518d648..0000000000 --- a/board/mpl/pip405/pip405.c +++ /dev/null @@ -1,958 +0,0 @@ -/* - * (C) Copyright 2001 - * Denis Peter, MPL AG Switzerland, d.peter@mpl.ch - * - * SPDX-License-Identifier: GPL-2.0+ - * - * TODO: clean-up - */ - -#include <common.h> -#include "pip405.h" -#include <asm/processor.h> -#include <i2c.h> -#include <stdio_dev.h> -#include "../common/isa.h" -#include "../common/common_util.h" - -DECLARE_GLOBAL_DATA_PTR; - -#undef SDRAM_DEBUG - -/* stdlib.h causes some compatibility problems; should fixe these! -- wd */ -#ifndef __ldiv_t_defined -typedef struct { - long int quot; /* Quotient */ - long int rem; /* Remainder */ -} ldiv_t; -extern ldiv_t ldiv (long int __numer, long int __denom); - -# define __ldiv_t_defined 1 -#endif - - -typedef enum { - SDRAM_NO_ERR, - SDRAM_SPD_COMM_ERR, - SDRAM_SPD_CHKSUM_ERR, - SDRAM_UNSUPPORTED_ERR, - SDRAM_UNKNOWN_ERR -} SDRAM_ERR; - -typedef struct { - const unsigned char mode; - const unsigned char row; - const unsigned char col; - const unsigned char bank; -} SDRAM_SETUP; - -static const SDRAM_SETUP sdram_setup_table[] = { - {1, 11, 9, 2}, - {1, 11, 10, 2}, - {2, 12, 9, 4}, - {2, 12, 10, 4}, - {3, 13, 9, 4}, - {3, 13, 10, 4}, - {3, 13, 11, 4}, - {4, 12, 8, 2}, - {4, 12, 8, 4}, - {5, 11, 8, 2}, - {5, 11, 8, 4}, - {6, 13, 8, 2}, - {6, 13, 8, 4}, - {7, 13, 9, 2}, - {7, 13, 10, 2}, - {0, 0, 0, 0} -}; - -static const unsigned char cal_indextable[] = { - 9, 23, 25 -}; - - -/* - * translate ns.ns/10 coding of SPD timing values - * into 10 ps unit values - */ - -unsigned short NS10to10PS (unsigned char spd_byte, unsigned char spd_version) -{ - unsigned short ns, ns10; - - /* isolate upper nibble */ - ns = (spd_byte >> 4) & 0x0F; - /* isolate lower nibble */ - ns10 = (spd_byte & 0x0F); - - return (ns * 100 + ns10 * 10); -} - -/* - * translate ns.ns/4 coding of SPD timing values - * into 10 ps unit values - */ - -unsigned short NS4to10PS (unsigned char spd_byte, unsigned char spd_version) -{ - unsigned short ns, ns4; - - /* isolate upper 6 bits */ - ns = (spd_byte >> 2) & 0x3F; - /* isloate lower 2 bits */ - ns4 = (spd_byte & 0x03); - - return (ns * 100 + ns4 * 25); -} - -/* - * translate ns coding of SPD timing values - * into 10 ps unit values - */ - -unsigned short NSto10PS (unsigned char spd_byte) -{ - return (spd_byte * 100); -} - -void SDRAM_err (const char *s) -{ -#ifndef SDRAM_DEBUG - (void) get_clocks (); - gd->baudrate = 9600; - serial_init (); -#endif - serial_puts ("\n"); - serial_puts (s); - serial_puts ("\n enable SDRAM_DEBUG for more info\n"); - for (;;); -} - - -#ifdef SDRAM_DEBUG - -void write_hex (unsigned char i) -{ - char cc; - - cc = i >> 4; - cc &= 0xf; - if (cc > 9) - serial_putc (cc + 55); - else - serial_putc (cc + 48); - cc = i & 0xf; - if (cc > 9) - serial_putc (cc + 55); - else - serial_putc (cc + 48); -} - -void write_4hex (unsigned long val) -{ - write_hex ((unsigned char) (val >> 24)); - write_hex ((unsigned char) (val >> 16)); - write_hex ((unsigned char) (val >> 8)); - write_hex ((unsigned char) val); -} - -#endif - -int board_early_init_f (void) -{ - unsigned char datain[128]; - unsigned long sdram_size = 0; - SDRAM_SETUP *t = (SDRAM_SETUP *) sdram_setup_table; - unsigned long memclk; - unsigned long tmemclk = 0; - unsigned long tmp, bank, baseaddr, bank_size; - unsigned short i; - unsigned char rows, cols, banks, sdram_banks, density; - unsigned char supported_cal, trp_clocks, trcd_clocks, tras_clocks, - trc_clocks; - unsigned char cal_index, cal_val, spd_version, spd_chksum; - unsigned char buf[8]; -#ifdef SDRAM_DEBUG - unsigned char tctp_clocks; -#endif - - /* set up the config port */ - mtdcr (EBC0_CFGADDR, PB7AP); - mtdcr (EBC0_CFGDATA, CONFIG_PORT_AP); - mtdcr (EBC0_CFGADDR, PB7CR); - mtdcr (EBC0_CFGDATA, CONFIG_PORT_CR); - - memclk = get_bus_freq (tmemclk); - tmemclk = 1000000000 / (memclk / 100); /* in 10 ps units */ - -#ifdef SDRAM_DEBUG - (void) get_clocks (); - gd->baudrate = 9600; - serial_init (); - serial_puts ("\nstart SDRAM Setup\n"); -#endif - - /* Read Serial Presence Detect Information */ - i2c_set_bus_num(0); - for (i = 0; i < 128; i++) - datain[i] = 127; - i2c_read(SPD_EEPROM_ADDRESS,0,1,datain,128); -#ifdef SDRAM_DEBUG - serial_puts ("\ni2c_read returns "); - write_hex (i); - serial_puts ("\n"); -#endif - -#ifdef SDRAM_DEBUG - for (i = 0; i < 128; i++) { - write_hex (datain[i]); - serial_puts (" "); - if (((i + 1) % 16) == 0) - serial_puts ("\n"); - } - serial_puts ("\n"); -#endif - spd_chksum = 0; - for (i = 0; i < 63; i++) { - spd_chksum += datain[i]; - } /* endfor */ - if (datain[63] != spd_chksum) { -#ifdef SDRAM_DEBUG - serial_puts ("SPD chksum: 0x"); - write_hex (datain[63]); - serial_puts (" != calc. chksum: 0x"); - write_hex (spd_chksum); - serial_puts ("\n"); -#endif - SDRAM_err ("SPD checksum Error"); - } - /* SPD seems to be ok, use it */ - - /* get SPD version */ - spd_version = datain[62]; - - /* do some sanity checks on the kind of RAM */ - if ((datain[0] < 0x80) || /* less than 128 valid bytes in SPD */ - (datain[2] != 0x04) || /* if not SDRAM */ - (!((datain[6] == 0x40) || (datain[6] == 0x48))) || /* or not (64 Bit or 72 Bit) */ - (datain[7] != 0x00) || (datain[8] != 0x01) || /* or not LVTTL signal levels */ - (datain[126] == 0x66)) /* or a 66MHz modules */ - SDRAM_err ("unsupported SDRAM"); -#ifdef SDRAM_DEBUG - serial_puts ("SDRAM sanity ok\n"); -#endif - - /* get number of rows/cols/banks out of byte 3+4+5 */ - rows = datain[3]; - cols = datain[4]; - banks = datain[5]; - - /* get number of SDRAM banks out of byte 17 and - supported CAS latencies out of byte 18 */ - sdram_banks = datain[17]; - supported_cal = datain[18] & ~0x81; - - while (t->mode != 0) { - if ((t->row == rows) && (t->col == cols) - && (t->bank == sdram_banks)) - break; - t++; - } /* endwhile */ - -#ifdef SDRAM_DEBUG - serial_puts ("rows: "); - write_hex (rows); - serial_puts (" cols: "); - write_hex (cols); - serial_puts (" banks: "); - write_hex (banks); - serial_puts (" mode: "); - write_hex (t->mode); - serial_puts ("\n"); -#endif - if (t->mode == 0) - SDRAM_err ("unsupported SDRAM"); - /* get tRP, tRCD, tRAS and density from byte 27+29+30+31 */ -#ifdef SDRAM_DEBUG - serial_puts ("tRP: "); - write_hex (datain[27]); - serial_puts ("\ntRCD: "); - write_hex (datain[29]); - serial_puts ("\ntRAS: "); - write_hex (datain[30]); - serial_puts ("\n"); -#endif - - trp_clocks = (NSto10PS (datain[27]) + (tmemclk - 1)) / tmemclk; - trcd_clocks = (NSto10PS (datain[29]) + (tmemclk - 1)) / tmemclk; - tras_clocks = (NSto10PS (datain[30]) + (tmemclk - 1)) / tmemclk; - density = datain[31]; - - /* trc_clocks is sum of trp_clocks + tras_clocks */ - trc_clocks = trp_clocks + tras_clocks; - -#ifdef SDRAM_DEBUG - /* ctp = ((trp + tras) - trp - trcd) => tras - trcd */ - tctp_clocks = - ((NSto10PS (datain[30]) - NSto10PS (datain[29])) + - (tmemclk - 1)) / tmemclk; - - serial_puts ("c_RP: "); - write_hex (trp_clocks); - serial_puts ("\nc_RCD: "); - write_hex (trcd_clocks); - serial_puts ("\nc_RAS: "); - write_hex (tras_clocks); - serial_puts ("\nc_RC: (RP+RAS): "); - write_hex (trc_clocks); - serial_puts ("\nc_CTP: ((RP+RAS)-RP-RCD): "); - write_hex (tctp_clocks); - serial_puts ("\nt_CTP: RAS - RCD: "); - write_hex ((unsigned - char) ((NSto10PS (datain[30]) - - NSto10PS (datain[29])) >> 8)); - write_hex ((unsigned char) (NSto10PS (datain[30]) - NSto10PS (datain[29]))); - serial_puts ("\ntmemclk: "); - write_hex ((unsigned char) (tmemclk >> 8)); - write_hex ((unsigned char) (tmemclk)); - serial_puts ("\n"); -#endif - - - cal_val = 255; - for (i = 6, cal_index = 0; (i > 0) && (cal_index < 3); i--) { - /* is this CAS latency supported ? */ - if ((supported_cal >> i) & 0x01) { - buf[0] = datain[cal_indextable[cal_index]]; - if (cal_index < 2) { - if (NS10to10PS (buf[0], spd_version) <= tmemclk) - cal_val = i; - } else { - /* SPD bytes 25+26 have another format */ - if (NS4to10PS (buf[0], spd_version) <= tmemclk) - cal_val = i; - } /* endif */ - cal_index++; - } /* endif */ - } /* endfor */ -#ifdef SDRAM_DEBUG - serial_puts ("CAL: "); - write_hex (cal_val + 1); - serial_puts ("\n"); -#endif - - if (cal_val == 255) - SDRAM_err ("unsupported SDRAM"); - - /* get SDRAM timing register */ - mtdcr (SDRAM0_CFGADDR, SDRAM0_TR); - tmp = mfdcr (SDRAM0_CFGDATA) & ~0x018FC01F; - /* insert CASL value */ -/* tmp |= ((unsigned long)cal_val) << 23; */ - tmp |= ((unsigned long) cal_val) << 23; - /* insert PTA value */ - tmp |= ((unsigned long) (trp_clocks - 1)) << 18; - /* insert CTP value */ -/* tmp |= ((unsigned long)(trc_clocks - trp_clocks - trcd_clocks - 1)) << 16; */ - tmp |= ((unsigned long) (trc_clocks - trp_clocks - trcd_clocks)) << 16; - /* insert LDF (always 01) */ - tmp |= ((unsigned long) 0x01) << 14; - /* insert RFTA value */ - tmp |= ((unsigned long) (trc_clocks - 4)) << 2; - /* insert RCD value */ - tmp |= ((unsigned long) (trcd_clocks - 1)) << 0; - -#ifdef SDRAM_DEBUG - serial_puts ("sdtr: "); - write_4hex (tmp); - serial_puts ("\n"); -#endif - - /* write SDRAM timing register */ - mtdcr (SDRAM0_CFGADDR, SDRAM0_TR); - mtdcr (SDRAM0_CFGDATA, tmp); - baseaddr = CONFIG_SYS_SDRAM_BASE; - bank_size = (((unsigned long) density) << 22) / 2; - /* insert AM value */ - tmp = ((unsigned long) t->mode - 1) << 13; - /* insert SZ value; */ - switch (bank_size) { - case 0x00400000: - tmp |= ((unsigned long) 0x00) << 17; - break; - case 0x00800000: - tmp |= ((unsigned long) 0x01) << 17; - break; - case 0x01000000: - tmp |= ((unsigned long) 0x02) << 17; - break; - case 0x02000000: - tmp |= ((unsigned long) 0x03) << 17; - break; - case 0x04000000: - tmp |= ((unsigned long) 0x04) << 17; - break; - case 0x08000000: - tmp |= ((unsigned long) 0x05) << 17; - break; - case 0x10000000: - tmp |= ((unsigned long) 0x06) << 17; - break; - default: - SDRAM_err ("unsupported SDRAM"); - } /* endswitch */ - /* get SDRAM bank 0 register */ - mtdcr (SDRAM0_CFGADDR, SDRAM0_B0CR); - bank = mfdcr (SDRAM0_CFGDATA) & ~0xFFCEE001; - bank |= (baseaddr | tmp | 0x01); -#ifdef SDRAM_DEBUG - serial_puts ("bank0: baseaddr: "); - write_4hex (baseaddr); - serial_puts (" banksize: "); - write_4hex (bank_size); - serial_puts (" mb0cf: "); - write_4hex (bank); - serial_puts ("\n"); -#endif - baseaddr += bank_size; - sdram_size += bank_size; - - /* write SDRAM bank 0 register */ - mtdcr (SDRAM0_CFGADDR, SDRAM0_B0CR); - mtdcr (SDRAM0_CFGDATA, bank); - - /* get SDRAM bank 1 register */ - mtdcr (SDRAM0_CFGADDR, SDRAM0_B1CR); - bank = mfdcr (SDRAM0_CFGDATA) & ~0xFFCEE001; - sdram_size = 0; - -#ifdef SDRAM_DEBUG - serial_puts ("bank1: baseaddr: "); - write_4hex (baseaddr); - serial_puts (" banksize: "); - write_4hex (bank_size); -#endif - if (banks == 2) { - bank |= (baseaddr | tmp | 0x01); - baseaddr += bank_size; - sdram_size += bank_size; - } /* endif */ -#ifdef SDRAM_DEBUG - serial_puts (" mb1cf: "); - write_4hex (bank); - serial_puts ("\n"); -#endif - /* write SDRAM bank 1 register */ - mtdcr (SDRAM0_CFGADDR, SDRAM0_B1CR); - mtdcr (SDRAM0_CFGDATA, bank); - - /* get SDRAM bank 2 register */ - mtdcr (SDRAM0_CFGADDR, SDRAM0_B2CR); - bank = mfdcr (SDRAM0_CFGDATA) & ~0xFFCEE001; - - bank |= (baseaddr | tmp | 0x01); - -#ifdef SDRAM_DEBUG - serial_puts ("bank2: baseaddr: "); - write_4hex (baseaddr); - serial_puts (" banksize: "); - write_4hex (bank_size); - serial_puts (" mb2cf: "); - write_4hex (bank); - serial_puts ("\n"); -#endif - - baseaddr += bank_size; - sdram_size += bank_size; - - /* write SDRAM bank 2 register */ - mtdcr (SDRAM0_CFGADDR, SDRAM0_B2CR); - mtdcr (SDRAM0_CFGDATA, bank); - - /* get SDRAM bank 3 register */ - mtdcr (SDRAM0_CFGADDR, SDRAM0_B3CR); - bank = mfdcr (SDRAM0_CFGDATA) & ~0xFFCEE001; - -#ifdef SDRAM_DEBUG - serial_puts ("bank3: baseaddr: "); - write_4hex (baseaddr); - serial_puts (" banksize: "); - write_4hex (bank_size); -#endif - - if (banks == 2) { - bank |= (baseaddr | tmp | 0x01); - baseaddr += bank_size; - sdram_size += bank_size; - } - /* endif */ -#ifdef SDRAM_DEBUG - serial_puts (" mb3cf: "); - write_4hex (bank); - serial_puts ("\n"); -#endif - - /* write SDRAM bank 3 register */ - mtdcr (SDRAM0_CFGADDR, SDRAM0_B3CR); - mtdcr (SDRAM0_CFGDATA, bank); - - - /* get SDRAM refresh interval register */ - mtdcr (SDRAM0_CFGADDR, SDRAM0_RTR); - tmp = mfdcr (SDRAM0_CFGDATA) & ~0x3FF80000; - - if (tmemclk < NSto10PS (16)) - tmp |= 0x05F00000; - else - tmp |= 0x03F80000; - - /* write SDRAM refresh interval register */ - mtdcr (SDRAM0_CFGADDR, SDRAM0_RTR); - mtdcr (SDRAM0_CFGDATA, tmp); - - /* enable SDRAM controller with no ECC, 32-bit SDRAM width, 16 byte burst */ - mtdcr (SDRAM0_CFGADDR, SDRAM0_CFG); - tmp = (mfdcr (SDRAM0_CFGDATA) & ~0xFFE00000) | 0x80E00000; - mtdcr (SDRAM0_CFGADDR, SDRAM0_CFG); - mtdcr (SDRAM0_CFGDATA, tmp); - - - /*-------------------------------------------------------------------------+ - | Interrupt controller setup for the PIP405 board. - | Note: IRQ 0-15 405GP internally generated; active high; level sensitive - | IRQ 16 405GP internally generated; active low; level sensitive - | IRQ 17-24 RESERVED - | IRQ 25 (EXT IRQ 0) SouthBridg; active low; level sensitive - | IRQ 26 (EXT IRQ 1) NMI: active low; level sensitive - | IRQ 27 (EXT IRQ 2) SMI: active Low; level sensitive - | IRQ 28 (EXT IRQ 3) PCI SLOT 3; active low; level sensitive - | IRQ 29 (EXT IRQ 4) PCI SLOT 2; active low; level sensitive - | IRQ 30 (EXT IRQ 5) PCI SLOT 1; active low; level sensitive - | IRQ 31 (EXT IRQ 6) PCI SLOT 0; active low; level sensitive - | Note for PIP405 board: - | An interrupt taken for the SouthBridge (IRQ 25) indicates that - | the Interrupt Controller in the South Bridge has caused the - | interrupt. The IC must be read to determine which device - | caused the interrupt. - | - +-------------------------------------------------------------------------*/ - mtdcr (UIC0SR, 0xFFFFFFFF); /* clear all ints */ - mtdcr (UIC0ER, 0x00000000); /* disable all ints */ - mtdcr (UIC0CR, 0x00000000); /* set all to be non-critical (for now) */ - mtdcr (UIC0PR, 0xFFFFFF80); /* set int polarities */ - mtdcr (UIC0TR, 0x10000000); /* set int trigger levels */ - mtdcr (UIC0VCR, 0x00000001); /* set vect base=0,INT0 highest priority */ - mtdcr (UIC0SR, 0xFFFFFFFF); /* clear all ints */ - - return 0; -} - -int board_early_init_r(void) -{ - int mode; - - /* - * since we are relocated, we can finally enable i-cache - * and set up the flash CS correctly - */ - icache_enable(); - setup_cs_reloc(); - /* get and display boot mode */ - mode = get_boot_mode(); - if (mode & BOOT_PCI) - printf("PCI Boot %s Map\n", (mode & BOOT_MPS) ? - "MPS" : "Flash"); - else - printf("%s Boot\n", (mode & BOOT_MPS) ? - "MPS" : "Flash"); - - return 0; -} -/* ------------------------------------------------------------------------- */ - -/* - * Check Board Identity: - */ - -int checkboard (void) -{ - char s[50]; - unsigned char bc; - int i; - backup_t *b = (backup_t *) s; - - puts ("Board: "); - - i = getenv_f("serial#", (char *)s, 32); - if ((i == 0) || strncmp ((char *)s, "PIP405", 6)) { - get_backup_values (b); - if (strncmp (b->signature, "MPL\0", 4) != 0) { - puts ("### No HW ID - assuming PIP405"); - } else { - b->serial_name[6] = 0; - printf ("%s SN: %s", b->serial_name, - &b->serial_name[7]); - } - } else { - s[6] = 0; - printf ("%s SN: %s", s, &s[7]); - } - bc = in8 (CONFIG_PORT_ADDR); - printf (" Boot Config: 0x%x\n", bc); - return (0); -} - - -/* ------------------------------------------------------------------------- */ -/* ------------------------------------------------------------------------- */ -/* - dram_init() reads EEPROM via I2c. EEPROM contains all of - the necessary info for SDRAM controller configuration -*/ -/* ------------------------------------------------------------------------- */ -/* ------------------------------------------------------------------------- */ -static int test_dram (unsigned long ramsize); - -int dram_init(void) -{ - unsigned long bank_reg[4], tmp, bank_size; - int i, ds; - unsigned long TotalSize; - - ds = 0; - /* since the DRAM controller is allready set up, - * calculate the size with the bank registers - */ - mtdcr (SDRAM0_CFGADDR, SDRAM0_B0CR); - bank_reg[0] = mfdcr (SDRAM0_CFGDATA); - mtdcr (SDRAM0_CFGADDR, SDRAM0_B1CR); - bank_reg[1] = mfdcr (SDRAM0_CFGDATA); - mtdcr (SDRAM0_CFGADDR, SDRAM0_B2CR); - bank_reg[2] = mfdcr (SDRAM0_CFGDATA); - mtdcr (SDRAM0_CFGADDR, SDRAM0_B3CR); - bank_reg[3] = mfdcr (SDRAM0_CFGDATA); - TotalSize = 0; - for (i = 0; i < 4; i++) { - if ((bank_reg[i] & 0x1) == 0x1) { - tmp = (bank_reg[i] >> 17) & 0x7; - bank_size = 4 << tmp; - TotalSize += bank_size; - } else - ds = 1; - } - if (ds == 1) - printf ("single-sided DIMM "); - else - printf ("double-sided DIMM "); - test_dram (TotalSize * 1024 * 1024); - /* bank 2 (SDRAM Clock 2) is not usable if 133MHz SDRAM IF */ - (void) get_clocks(); - if (gd->cpu_clk > 220000000) - TotalSize /= 2; - gd->ram_size = TotalSize * 1024 * 1024; - - return 0; -} - -/* ------------------------------------------------------------------------- */ - - -static int test_dram (unsigned long ramsize) -{ - /* not yet implemented */ - return (1); -} - -int misc_init_r (void) -{ - /* adjust flash start and size as well as the offset */ - gd->bd->bi_flashstart=0-flash_info[0].size; - gd->bd->bi_flashsize=flash_info[0].size-CONFIG_SYS_MONITOR_LEN; - gd->bd->bi_flashoffset=0; - - /* if PIP405 has booted from PCI, reset CCR0[24] as described in errata PCI_18 */ - if (mfdcr(CPC0_PSR) & PSR_ROM_LOC) - mtspr(SPRN_CCR0, (mfspr(SPRN_CCR0) & ~0x80)); - - return (0); -} - -/*************************************************************************** - * some helping routines - */ - -int overwrite_console (void) -{ - /* return true if console should be overwritten */ - return in8(CONFIG_PORT_ADDR) & 0x1; -} - - -extern int isa_init (void); - - -void print_pip405_rev (void) -{ - unsigned char part, vers, cfg; - - part = in8 (PLD_PART_REG); - vers = in8 (PLD_VERS_REG); - cfg = in8 (PLD_BOARD_CFG_REG); - printf ("Rev: PIP405-%d Rev %c PLD%d %d PLD%d %d\n", - 16 - ((cfg >> 4) & 0xf), (cfg & 0xf) + 'A', part & 0xf, - vers & 0xf, (part >> 4) & 0xf, (vers >> 4) & 0xf); -} - -extern void check_env(void); - - -int last_stage_init (void) -{ - print_pip405_rev (); - isa_init (); - stdio_print_current_devices (); - check_env(); - return 0; -} - -/************************************************************************ -* Print PIP405 Info -************************************************************************/ -void print_pip405_info (void) -{ - unsigned char part, vers, cfg, ledu, sysman, flashcom, can, serpwr, - compwr, nicvga, scsirst; - - part = in8 (PLD_PART_REG); - vers = in8 (PLD_VERS_REG); - cfg = in8 (PLD_BOARD_CFG_REG); - ledu = in8 (PLD_LED_USER_REG); - sysman = in8 (PLD_SYS_MAN_REG); - flashcom = in8 (PLD_FLASH_COM_REG); - can = in8 (PLD_CAN_REG); - serpwr = in8 (PLD_SER_PWR_REG); - compwr = in8 (PLD_COM_PWR_REG); - nicvga = in8 (PLD_NIC_VGA_REG); - scsirst = in8 (PLD_SCSI_RST_REG); - printf ("PLD Part %d version %d\n", - part & 0xf, vers & 0xf); - printf ("PLD Part %d version %d\n", - (part >> 4) & 0xf, (vers >> 4) & 0xf); - printf ("Board Revision %c\n", (cfg & 0xf) + 'A'); - printf ("Population Options %d %d %d %d\n", - (cfg >> 4) & 0x1, (cfg >> 5) & 0x1, - (cfg >> 6) & 0x1, (cfg >> 7) & 0x1); - printf ("User LED0 %s User LED1 %s\n", - ((ledu & 0x1) == 0x1) ? "on" : "off", - ((ledu & 0x2) == 0x2) ? "on" : "off"); - printf ("Additionally Options %d %d\n", - (ledu >> 2) & 0x1, (ledu >> 3) & 0x1); - printf ("User Config Switch %d %d %d %d\n", - (ledu >> 4) & 0x1, (ledu >> 5) & 0x1, - (ledu >> 6) & 0x1, (ledu >> 7) & 0x1); - switch (sysman & 0x3) { - case 0: - printf ("PCI Clocks are running\n"); - break; - case 1: - printf ("PCI Clocks are stopped in POS State\n"); - break; - case 2: - printf ("PCI Clocks are stopped when PCI_STP# is asserted\n"); - break; - case 3: - printf ("PCI Clocks are stopped\n"); - break; - } - switch ((sysman >> 2) & 0x3) { - case 0: - printf ("Main Clocks are running\n"); - break; - case 1: - printf ("Main Clocks are stopped in POS State\n"); - break; - case 2: - case 3: - printf ("PCI Clocks are stopped\n"); - break; - } - printf ("INIT asserts %sINT2# (SMI)\n", - ((sysman & 0x10) == 0x10) ? "" : "not "); - printf ("INIT asserts %sINT1# (NMI)\n", - ((sysman & 0x20) == 0x20) ? "" : "not "); - printf ("INIT occurred %d\n", (sysman >> 6) & 0x1); - printf ("SER1 is routed to %s\n", - ((flashcom & 0x1) == 0x1) ? "RS485" : "RS232"); - printf ("COM2 is routed to %s\n", - ((flashcom & 0x2) == 0x2) ? "RS485" : "RS232"); - printf ("RS485 is configured as %s duplex\n", - ((flashcom & 0x4) == 0x4) ? "full" : "half"); - printf ("RS485 is connected to %s\n", - ((flashcom & 0x8) == 0x8) ? "COM1" : "COM2"); - printf ("SER1 uses handshakes %s\n", - ((flashcom & 0x10) == 0x10) ? "DTR/DSR" : "RTS/CTS"); - printf ("Bootflash is %swriteprotected\n", - ((flashcom & 0x20) == 0x20) ? "not " : ""); - printf ("Bootflash VPP is %s\n", - ((flashcom & 0x40) == 0x40) ? "on" : "off"); - printf ("Bootsector is %swriteprotected\n", - ((flashcom & 0x80) == 0x80) ? "not " : ""); - switch ((can) & 0x3) { - case 0: - printf ("CAN Controller is on address 0x1000..0x10FF\n"); - break; - case 1: - printf ("CAN Controller is on address 0x8000..0x80FF\n"); - break; - case 2: - printf ("CAN Controller is on address 0xE000..0xE0FF\n"); - break; - case 3: - printf ("CAN Controller is disabled\n"); - break; - } - switch ((can >> 2) & 0x3) { - case 0: - printf ("CAN Controller Reset is ISA Reset\n"); - break; - case 1: - printf ("CAN Controller Reset is ISA Reset and POS State\n"); - break; - case 2: - case 3: - printf ("CAN Controller is in reset\n"); - break; - } - if (((can >> 4) < 3) || ((can >> 4) == 8) || ((can >> 4) == 13)) - printf ("CAN Interrupt is disabled\n"); - else - printf ("CAN Interrupt is ISA INT%d\n", (can >> 4) & 0xf); - switch (serpwr & 0x3) { - case 0: - printf ("SER0 Drivers are enabled\n"); - break; - case 1: - printf ("SER0 Drivers are disabled in the POS state\n"); - break; - case 2: - case 3: - printf ("SER0 Drivers are disabled\n"); - break; - } - switch ((serpwr >> 2) & 0x3) { - case 0: - printf ("SER1 Drivers are enabled\n"); - break; - case 1: - printf ("SER1 Drivers are disabled in the POS state\n"); - break; - case 2: - case 3: - printf ("SER1 Drivers are disabled\n"); - break; - } - switch (compwr & 0x3) { - case 0: - printf ("COM1 Drivers are enabled\n"); - break; - case 1: - printf ("COM1 Drivers are disabled in the POS state\n"); - break; - case 2: - case 3: - printf ("COM1 Drivers are disabled\n"); - break; - } - switch ((compwr >> 2) & 0x3) { - case 0: - printf ("COM2 Drivers are enabled\n"); - break; - case 1: - printf ("COM2 Drivers are disabled in the POS state\n"); - break; - case 2: - case 3: - printf ("COM2 Drivers are disabled\n"); - break; - } - switch ((nicvga) & 0x3) { - case 0: - printf ("PHY is running\n"); - break; - case 1: - printf ("PHY is in Power save mode in POS state\n"); - break; - case 2: - case 3: - printf ("PHY is in Power save mode\n"); - break; - } - switch ((nicvga >> 2) & 0x3) { - case 0: - printf ("VGA is running\n"); - break; - case 1: - printf ("VGA is in Power save mode in POS state\n"); - break; - case 2: - case 3: - printf ("VGA is in Power save mode\n"); - break; - } - printf ("PHY is %sreseted\n", ((nicvga & 0x10) == 0x10) ? "" : "not "); - printf ("VGA is %sreseted\n", ((nicvga & 0x20) == 0x20) ? "" : "not "); - printf ("Reserved Configuration is %d %d\n", (nicvga >> 6) & 0x1, - (nicvga >> 7) & 0x1); - switch ((scsirst) & 0x3) { - case 0: - printf ("SCSI Controller is running\n"); - break; - case 1: - printf ("SCSI Controller is in Power save mode in POS state\n"); - break; - case 2: - case 3: - printf ("SCSI Controller is in Power save mode\n"); - break; - } - printf ("SCSI termination is %s\n", - ((scsirst & 0x4) == 0x4) ? "disabled" : "enabled"); - printf ("SCSI Controller is %sreseted\n", - ((scsirst & 0x10) == 0x10) ? "" : "not "); - printf ("IDE disks are %sreseted\n", - ((scsirst & 0x20) == 0x20) ? "" : "not "); - printf ("ISA Bus is %sreseted\n", - ((scsirst & 0x40) == 0x40) ? "" : "not "); - printf ("Super IO is %sreseted\n", - ((scsirst & 0x80) == 0x80) ? "" : "not "); -} - -void user_led0 (unsigned char on) -{ - if (on == true) - out8 (PLD_LED_USER_REG, (in8 (PLD_LED_USER_REG) | 0x1)); - else - out8 (PLD_LED_USER_REG, (in8 (PLD_LED_USER_REG) & 0xfe)); -} - -void user_led1 (unsigned char on) -{ - if (on == true) - out8 (PLD_LED_USER_REG, (in8 (PLD_LED_USER_REG) | 0x2)); - else - out8 (PLD_LED_USER_REG, (in8 (PLD_LED_USER_REG) & 0xfd)); -} - -void ide_set_reset (int idereset) -{ - /* if reset = 1 IDE reset will be asserted */ - unsigned char resreg; - - resreg = in8 (PLD_SCSI_RST_REG); - if (idereset == 1) - resreg |= 0x20; - else { - udelay(10000); - resreg &= 0xdf; - } - out8 (PLD_SCSI_RST_REG, resreg); -} |