diff options
Diffstat (limited to 'u-boot/board/eltec/elppc/misc.c')
| -rw-r--r-- | u-boot/board/eltec/elppc/misc.c | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/u-boot/board/eltec/elppc/misc.c b/u-boot/board/eltec/elppc/misc.c new file mode 100644 index 0000000..cbaf10b --- /dev/null +++ b/u-boot/board/eltec/elppc/misc.c @@ -0,0 +1,261 @@ +/* + * (C) Copyright 2002 ELTEC Elektronik AG + * Frank Gottschling <fgottschling@eltec.de> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* includes */ +#include <common.h> +#include <linux/ctype.h> +#include <pci.h> +#include <net.h> +#include "srom.h" + +/* imports */ +extern char console_buffer[CONFIG_SYS_CBSIZE]; +extern int l2_cache_enable (int l2control); +extern int eepro100_write_eeprom (struct eth_device *dev, int location, + int addr_len, unsigned short data); +extern int read_eeprom (struct eth_device *dev, int location, int addr_len); + +/*----------------------------------------------------------------------------*/ +/* + * read/write to nvram is only byte access + */ +void *nvram_read (void *dest, const long src, size_t count) +{ + uchar *d = (uchar *) dest; + uchar *s = (uchar *) (CONFIG_ENV_MAP_ADRS + src); + + while (count--) + *d++ = *s++; + + return dest; +} + +void nvram_write (long dest, const void *src, size_t count) +{ + uchar *d = (uchar *) (CONFIG_ENV_MAP_ADRS + dest); + uchar *s = (uchar *) src; + + while (count--) + *d++ = *s++; +} + +/*----------------------------------------------------------------------------*/ +/* + * handle sroms on ELPPC + * fix ether address + * set serial console as default + */ +int misc_init_r (void) +{ + revinfo eerev; + u_char *ptr; + u_int i, l, initSrom, copyNv; + char buf[256]; + char hex[23] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0, + 0, 0, 0, 0, 10, 11, 12, 13, 14, 15 + }; + + /* Clock setting for MPC107 i2c */ + mpc107_i2c_init (MPC107_EUMB_ADDR, 0x2b); + + /* Reset the EPIC */ + out32r (MPC107_EUMB_GCR, 0xa0000000); + while (in32r (MPC107_EUMB_GCR) & 0x80000000); /* Wait for reset to complete */ + out32r (MPC107_EUMB_GCR, 0x20000000); /* Put into into mixed mode */ + while (in32r (MPC107_EUMB_IACKR) != 0xff); /* Clear all pending interrupts */ + + /* + * Check/Remake revision info + */ + initSrom = 0; + copyNv = 0; + + /* read out current revision srom contens */ + mpc107_srom_load (0x0000, (u_char *) & eerev, sizeof (revinfo), + SECOND_DEVICE, FIRST_BLOCK); + + /* read out current nvram shadow image */ + nvram_read (buf, CONFIG_SYS_NV_SROM_COPY_ADDR, CONFIG_SYS_SROM_SIZE); + + if (strcmp (eerev.magic, "ELTEC") != 0) { + /* srom is not initialized -> create a default revision info */ + for (i = 0, ptr = (u_char *) & eerev; i < sizeof (revinfo); + i++) + *ptr++ = 0x00; + strcpy (eerev.magic, "ELTEC"); + eerev.revrev[0] = 1; + eerev.revrev[1] = 0; + eerev.size = 0x00E0; + eerev.category[0] = 0x01; + + /* node id from dead e128 as default */ + eerev.etheraddr[0] = 0x00; + eerev.etheraddr[1] = 0x00; + eerev.etheraddr[2] = 0x5B; + eerev.etheraddr[3] = 0x00; + eerev.etheraddr[4] = 0x2E; + eerev.etheraddr[5] = 0x4D; + + /* cache config word for ELPPC */ + *(int *) &eerev.res[0] = 0; + + initSrom = 1; /* force dialog */ + copyNv = 1; /* copy to nvram */ + } + + if ((copyNv == 0) + && (el_srom_checksum ((u_char *) & eerev, CONFIG_SYS_SROM_SIZE) != + el_srom_checksum ((u_char *) buf, CONFIG_SYS_SROM_SIZE))) { + printf ("Invalid revision info copy in nvram !\n"); + printf ("Press key:\n <c> to copy current revision info to nvram.\n"); + printf (" <r> to reenter revision info.\n"); + printf ("=> "); + if (0 != readline (NULL)) { + switch ((char) toupper (console_buffer[0])) { + case 'C': + copyNv = 1; + break; + case 'R': + copyNv = 1; + initSrom = 1; + break; + } + } + } + + if (initSrom) { + memcpy (buf, &eerev.revision[0][0], 14); /* save all revision info */ + printf ("Enter revision number (0-9): %c ", + eerev.revision[0][0]); + if (0 != readline (NULL)) { + eerev.revision[0][0] = + (char) toupper (console_buffer[0]); + memcpy (&eerev.revision[1][0], buf, 12); /* shift rest of rev info */ + } + + printf ("Enter revision character (A-Z): %c ", + eerev.revision[0][1]); + if (1 == readline (NULL)) { + eerev.revision[0][1] = + (char) toupper (console_buffer[0]); + } + + printf ("Enter board name (V-XXXX-XXXX): %s ", + (char *) &eerev.board); + if (11 == readline (NULL)) { + for (i = 0; i < 11; i++) + eerev.board[i] = + (char) toupper (console_buffer[i]); + eerev.board[11] = '\0'; + } + + printf ("Enter serial number: %s ", (char *) &eerev.serial); + if (6 == readline (NULL)) { + for (i = 0; i < 6; i++) + eerev.serial[i] = console_buffer[i]; + eerev.serial[6] = '\0'; + } + + printf ("Enter ether node ID with leading zero (HEX): %02x%02x%02x%02x%02x%02x ", eerev.etheraddr[0], eerev.etheraddr[1], eerev.etheraddr[2], eerev.etheraddr[3], eerev.etheraddr[4], eerev.etheraddr[5]); + if (12 == readline (NULL)) { + for (i = 0; i < 12; i += 2) + eerev.etheraddr[i >> 1] = + (char) (16 * + hex[toupper + (console_buffer[i]) - + '0'] + + hex[toupper + (console_buffer[i + 1]) - + '0']); + } + + l = strlen ((char *) &eerev.text); + printf ("Add to text section (max 64 chr): %s ", + (char *) &eerev.text); + if (0 != readline (NULL)) { + for (i = l; i < 63; i++) + eerev.text[i] = console_buffer[i - l]; + eerev.text[63] = '\0'; + } + + /* prepare network eeprom */ + memset (buf, 0, 128); + + buf[0] = eerev.etheraddr[1]; + buf[1] = eerev.etheraddr[0]; + buf[2] = eerev.etheraddr[3]; + buf[3] = eerev.etheraddr[2]; + buf[4] = eerev.etheraddr[5]; + buf[5] = eerev.etheraddr[4]; + + *(unsigned short *) &buf[20] = 0x48B2; + *(unsigned short *) &buf[22] = 0x0004; + *(unsigned short *) &buf[24] = 0x1433; + + printf ("\nSRom: Writing i82559 info ........ "); + if (eepro100_srom_store ((unsigned short *) buf) == -1) + printf ("FAILED\n"); + else + printf ("OK\n"); + + /* update CRC */ + eerev.crc = + el_srom_checksum ((u_char *) eerev.board, eerev.size); + + /* write new values */ + printf ("\nSRom: Writing revision info ...... "); + if (mpc107_srom_store + ((BLOCK_SIZE - sizeof (revinfo)), (u_char *) & eerev, + sizeof (revinfo), SECOND_DEVICE, FIRST_BLOCK) == -1) + printf ("FAILED\n\n"); + else + printf ("OK\n\n"); + + /* write new values as shadow image to nvram */ + nvram_write (CONFIG_SYS_NV_SROM_COPY_ADDR, (void *) &eerev, + CONFIG_SYS_SROM_SIZE); + + } + + /*if (initSrom) */ + /* copy current values as shadow image to nvram */ + if (initSrom == 0 && copyNv == 1) + nvram_write (CONFIG_SYS_NV_SROM_COPY_ADDR, (void *) &eerev, + CONFIG_SYS_SROM_SIZE); + + /* update environment */ + sprintf (buf, "%02x:%02x:%02x:%02x:%02x:%02x", + eerev.etheraddr[0], eerev.etheraddr[1], + eerev.etheraddr[2], eerev.etheraddr[3], + eerev.etheraddr[4], eerev.etheraddr[5]); + setenv ("ethaddr", buf); + + /* print actual board identification */ + printf ("Ident: %s Ser %s Rev %c%c\n", + eerev.board, (char *) &eerev.serial, + eerev.revision[0][0], eerev.revision[0][1]); + + return (0); +} + +/*----------------------------------------------------------------------------*/ |