upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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259 lines
8.3 KiB
259 lines
8.3 KiB
22 years ago
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/*
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* (C) Copyright 2002 ELTEC Elektronik AG
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* Frank Gottschling <fgottschling@eltec.de>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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/* includes */
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#include <common.h>
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#include <linux/ctype.h>
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#include <pci.h>
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#include <net.h>
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#include "srom.h"
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/* imports */
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extern char console_buffer[CFG_CBSIZE];
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extern int l2_cache_enable (int l2control);
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extern int eepro100_write_eeprom (struct eth_device* dev, int location,
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int addr_len, unsigned short data);
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extern int read_eeprom (struct eth_device* dev, int location, int addr_len);
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/*----------------------------------------------------------------------------*/
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/*
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* read/write to nvram is only byte access
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*/
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void *nvram_read(void *dest, const long src, size_t count)
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{
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uchar *d = (uchar *) dest;
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uchar *s = (uchar *) (CFG_ENV_MAP_ADRS + src);
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while (count--)
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*d++ = *s++;
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return dest;
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}
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void nvram_write(long dest, const void *src, size_t count)
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{
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uchar *d = (uchar *) (CFG_ENV_MAP_ADRS + dest);
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uchar *s = (uchar *) src;
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while (count--)
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*d++ = *s++;
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}
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/*----------------------------------------------------------------------------*/
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/*
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* handle sroms on ELPPC
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* fix ether address
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* set serial console as default
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*/
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int misc_init_r (void)
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{
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revinfo eerev;
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u_char *ptr;
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u_int i, l, initSrom, copyNv;
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char buf[256];
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char hex[23] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0,
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0, 0, 0, 0, 10, 11, 12, 13, 14, 15 };
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/* Clock setting for MPC107 i2c */
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mpc107_i2c_init (MPC107_EUMB_ADDR, 0x2b);
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/* Reset the EPIC */
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out32r (MPC107_EUMB_GCR, 0xa0000000);
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while (in32r (MPC107_EUMB_GCR) & 0x80000000); /* Wait for reset to complete */
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out32r (MPC107_EUMB_GCR, 0x20000000); /* Put into into mixed mode */
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while (in32r (MPC107_EUMB_IACKR) != 0xff); /* Clear all pending interrupts */
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/*
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* Check/Remake revision info
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*/
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initSrom = 0;
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copyNv = 0;
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/* read out current revision srom contens */
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mpc107_srom_load (0x0000, (u_char*)&eerev, sizeof(revinfo),
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SECOND_DEVICE, FIRST_BLOCK);
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/* read out current nvram shadow image */
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nvram_read (buf, CFG_NV_SROM_COPY_ADDR, CFG_SROM_SIZE);
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if (strcmp (eerev.magic, "ELTEC") != 0)
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{
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/* srom is not initialized -> create a default revision info */
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for (i = 0, ptr = (u_char *)&eerev; i < sizeof(revinfo); i++)
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*ptr++ = 0x00;
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strcpy(eerev.magic, "ELTEC");
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eerev.revrev[0] = 1;
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eerev.revrev[1] = 0;
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eerev.size = 0x00E0;
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eerev.category[0] = 0x01;
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/* node id from dead e128 as default */
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eerev.etheraddr[0] = 0x00;
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eerev.etheraddr[1] = 0x00;
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eerev.etheraddr[2] = 0x5B;
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eerev.etheraddr[3] = 0x00;
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eerev.etheraddr[4] = 0x2E;
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eerev.etheraddr[5] = 0x4D;
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/* cache config word for ELPPC */
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*(int*)&eerev.res[0] = 0;
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initSrom = 1; /* force dialog */
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copyNv = 1; /* copy to nvram */
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}
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if ((copyNv == 0) && (el_srom_checksum((u_char*)&eerev, CFG_SROM_SIZE) !=
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el_srom_checksum((u_char*)buf, CFG_SROM_SIZE)))
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{
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printf ("Invalid revision info copy in nvram !\n");
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printf ("Press key:\n <c> to copy current revision info to nvram.\n");
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printf (" <r> to reenter revision info.\n");
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printf ("=> ");
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if (0 != readline (NULL))
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{
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switch ((char)toupper(console_buffer[0]))
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{
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case 'C':
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copyNv = 1;
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break;
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case 'R':
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copyNv = 1;
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initSrom = 1;
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break;
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}
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}
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}
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if (initSrom)
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{
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memcpy (buf, &eerev.revision[0][0], 14); /* save all revision info */
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printf ("Enter revision number (0-9): %c ", eerev.revision[0][0]);
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if (0 != readline (NULL))
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{
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eerev.revision[0][0] = (char)toupper(console_buffer[0]);
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memcpy (&eerev.revision[1][0], buf, 12); /* shift rest of rev info */
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}
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printf ("Enter revision character (A-Z): %c ", eerev.revision[0][1]);
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if (1 == readline (NULL))
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{
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eerev.revision[0][1] = (char)toupper(console_buffer[0]);
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}
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printf ("Enter board name (V-XXXX-XXXX): %s ", (char *)&eerev.board);
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if (11 == readline (NULL))
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{
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for (i=0; i<11; i++)
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eerev.board[i] = (char)toupper(console_buffer[i]);
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eerev.board[11] = '\0';
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}
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printf ("Enter serial number: %s ", (char *)&eerev.serial );
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if (6 == readline (NULL))
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{
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for (i=0; i<6; i++)
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eerev.serial[i] = console_buffer[i];
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eerev.serial[6] = '\0';
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}
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printf ("Enter ether node ID with leading zero (HEX): %02x%02x%02x%02x%02x%02x ",
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eerev.etheraddr[0], eerev.etheraddr[1],
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eerev.etheraddr[2], eerev.etheraddr[3],
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eerev.etheraddr[4], eerev.etheraddr[5]);
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if (12 == readline (NULL))
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{
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for (i=0; i<12; i+=2)
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eerev.etheraddr[i>>1] = (char)(16*hex[toupper(console_buffer[i])-'0'] +
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hex[toupper(console_buffer[i+1])-'0']);
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}
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l = strlen ((char *)&eerev.text);
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printf("Add to text section (max 64 chr): %s ", (char *)&eerev.text );
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if (0 != readline (NULL))
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{
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for (i = l; i<63; i++)
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eerev.text[i] = console_buffer[i-l];
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eerev.text[63] = '\0';
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}
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/* prepare network eeprom */
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memset (buf, 0, 128);
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buf[0] = eerev.etheraddr[1];
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buf[1] = eerev.etheraddr[0];
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buf[2] = eerev.etheraddr[3];
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buf[3] = eerev.etheraddr[2];
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buf[4] = eerev.etheraddr[5];
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buf[5] = eerev.etheraddr[4];
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*(unsigned short *)&buf[20] = 0x48B2;
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*(unsigned short *)&buf[22] = 0x0004;
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*(unsigned short *)&buf[24] = 0x1433;
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printf("\nSRom: Writing i82559 info ........ ");
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if (eepro100_srom_store ((unsigned short *)buf) == -1)
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printf("FAILED\n");
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else
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printf("OK\n");
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/* update CRC */
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eerev.crc = el_srom_checksum((u_char *)eerev.board, eerev.size);
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/* write new values */
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printf("\nSRom: Writing revision info ...... ");
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if (mpc107_srom_store((BLOCK_SIZE-sizeof(revinfo)), (u_char *)&eerev,
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sizeof(revinfo), SECOND_DEVICE, FIRST_BLOCK) == -1)
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printf("FAILED\n\n");
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else
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printf("OK\n\n");
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/* write new values as shadow image to nvram */
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nvram_write (CFG_NV_SROM_COPY_ADDR, (void *)&eerev, CFG_SROM_SIZE);
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} /*if (initSrom) */
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/* copy current values as shadow image to nvram */
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if (initSrom == 0 && copyNv == 1)
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nvram_write (CFG_NV_SROM_COPY_ADDR, (void *)&eerev, CFG_SROM_SIZE);
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/* update environment */
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sprintf (buf, "%02x:%02x:%02x:%02x:%02x:%02x",
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eerev.etheraddr[0], eerev.etheraddr[1],
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eerev.etheraddr[2], eerev.etheraddr[3],
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eerev.etheraddr[4], eerev.etheraddr[5]);
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setenv ("ethaddr", buf);
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/* set serial console as default */
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if ((ptr = getenv ("console")) == NULL)
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setenv ("console", "serial");
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/* print actual board identification */
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printf("Ident: %s Ser %s Rev %c%c\n",
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eerev.board, (char *)&eerev.serial,
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eerev.revision[0][0], eerev.revision[0][1]);
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return (0);
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}
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/*----------------------------------------------------------------------------*/
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