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-rw-r--r--board/eltec/elppc/misc.c258
1 files changed, 258 insertions, 0 deletions
diff --git a/board/eltec/elppc/misc.c b/board/eltec/elppc/misc.c
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+++ b/board/eltec/elppc/misc.c
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+/*
+ * (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[CFG_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 *) (CFG_ENV_MAP_ADRS + src);
+
+ while (count--)
+ *d++ = *s++;
+
+ return dest;
+}
+
+void nvram_write(long dest, const void *src, size_t count)
+{
+ uchar *d = (uchar *) (CFG_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, CFG_NV_SROM_COPY_ADDR, CFG_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, CFG_SROM_SIZE) !=
+ el_srom_checksum((u_char*)buf, CFG_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 (CFG_NV_SROM_COPY_ADDR, (void *)&eerev, CFG_SROM_SIZE);
+
+ } /*if (initSrom) */
+
+ /* copy current values as shadow image to nvram */
+ if (initSrom == 0 && copyNv == 1)
+ nvram_write (CFG_NV_SROM_COPY_ADDR, (void *)&eerev, CFG_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);
+
+ /* set serial console as default */
+ if ((ptr = getenv ("console")) == NULL)
+ setenv ("console", "serial");
+
+ /* 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);
+}
+
+/*----------------------------------------------------------------------------*/
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