2 * (C) Copyright 2002 ELTEC Elektronik AG
3 * Frank Gottschling <fgottschling@eltec.de>
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,
26 #include <linux/ctype.h>
32 extern int l2_cache_enable (int l2control);
33 extern int eepro100_write_eeprom (struct eth_device *dev, int location,
34 int addr_len, unsigned short data);
35 extern int read_eeprom (struct eth_device *dev, int location, int addr_len);
37 /*----------------------------------------------------------------------------*/
39 * read/write to nvram is only byte access
41 void *nvram_read (void *dest, const long src, size_t count)
43 uchar *d = (uchar *) dest;
44 uchar *s = (uchar *) (CONFIG_ENV_MAP_ADRS + src);
52 void nvram_write (long dest, const void *src, size_t count)
54 uchar *d = (uchar *) (CONFIG_ENV_MAP_ADRS + dest);
55 uchar *s = (uchar *) src;
61 /*----------------------------------------------------------------------------*/
63 * handle sroms on ELPPC
65 * set serial console as default
67 int misc_init_r (void)
71 u_int i, l, initSrom, copyNv;
73 char hex[23] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0,
74 0, 0, 0, 0, 10, 11, 12, 13, 14, 15
77 /* Clock setting for MPC107 i2c */
78 mpc107_i2c_init (MPC107_EUMB_ADDR, 0x2b);
81 out32r (MPC107_EUMB_GCR, 0xa0000000);
82 while (in32r (MPC107_EUMB_GCR) & 0x80000000); /* Wait for reset to complete */
83 out32r (MPC107_EUMB_GCR, 0x20000000); /* Put into into mixed mode */
84 while (in32r (MPC107_EUMB_IACKR) != 0xff); /* Clear all pending interrupts */
87 * Check/Remake revision info
92 /* read out current revision srom contens */
93 mpc107_srom_load (0x0000, (u_char *) & eerev, sizeof (revinfo),
94 SECOND_DEVICE, FIRST_BLOCK);
96 /* read out current nvram shadow image */
97 nvram_read (buf, CONFIG_SYS_NV_SROM_COPY_ADDR, CONFIG_SYS_SROM_SIZE);
99 if (strcmp (eerev.magic, "ELTEC") != 0) {
100 /* srom is not initialized -> create a default revision info */
101 for (i = 0, ptr = (u_char *) & eerev; i < sizeof (revinfo);
104 strcpy (eerev.magic, "ELTEC");
108 eerev.category[0] = 0x01;
110 /* node id from dead e128 as default */
111 eerev.etheraddr[0] = 0x00;
112 eerev.etheraddr[1] = 0x00;
113 eerev.etheraddr[2] = 0x5B;
114 eerev.etheraddr[3] = 0x00;
115 eerev.etheraddr[4] = 0x2E;
116 eerev.etheraddr[5] = 0x4D;
118 /* cache config word for ELPPC */
119 *(int *) &eerev.res[0] = 0;
121 initSrom = 1; /* force dialog */
122 copyNv = 1; /* copy to nvram */
126 && (el_srom_checksum ((u_char *) & eerev, CONFIG_SYS_SROM_SIZE) !=
127 el_srom_checksum ((u_char *) buf, CONFIG_SYS_SROM_SIZE))) {
128 printf ("Invalid revision info copy in nvram !\n");
129 printf ("Press key:\n <c> to copy current revision info to nvram.\n");
130 printf (" <r> to reenter revision info.\n");
132 if (0 != readline (NULL)) {
133 switch ((char) toupper (console_buffer[0])) {
146 memcpy (buf, &eerev.revision[0][0], 14); /* save all revision info */
147 printf ("Enter revision number (0-9): %c ",
148 eerev.revision[0][0]);
149 if (0 != readline (NULL)) {
150 eerev.revision[0][0] =
151 (char) toupper (console_buffer[0]);
152 memcpy (&eerev.revision[1][0], buf, 12); /* shift rest of rev info */
155 printf ("Enter revision character (A-Z): %c ",
156 eerev.revision[0][1]);
157 if (1 == readline (NULL)) {
158 eerev.revision[0][1] =
159 (char) toupper (console_buffer[0]);
162 printf ("Enter board name (V-XXXX-XXXX): %s ",
163 (char *) &eerev.board);
164 if (11 == readline (NULL)) {
165 for (i = 0; i < 11; i++)
167 (char) toupper (console_buffer[i]);
168 eerev.board[11] = '\0';
171 printf ("Enter serial number: %s ", (char *) &eerev.serial);
172 if (6 == readline (NULL)) {
173 for (i = 0; i < 6; i++)
174 eerev.serial[i] = console_buffer[i];
175 eerev.serial[6] = '\0';
178 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]);
179 if (12 == readline (NULL)) {
180 for (i = 0; i < 12; i += 2)
181 eerev.etheraddr[i >> 1] =
184 (console_buffer[i]) -
187 (console_buffer[i + 1]) -
191 l = strlen ((char *) &eerev.text);
192 printf ("Add to text section (max 64 chr): %s ",
193 (char *) &eerev.text);
194 if (0 != readline (NULL)) {
195 for (i = l; i < 63; i++)
196 eerev.text[i] = console_buffer[i - l];
197 eerev.text[63] = '\0';
200 /* prepare network eeprom */
201 memset (buf, 0, 128);
203 buf[0] = eerev.etheraddr[1];
204 buf[1] = eerev.etheraddr[0];
205 buf[2] = eerev.etheraddr[3];
206 buf[3] = eerev.etheraddr[2];
207 buf[4] = eerev.etheraddr[5];
208 buf[5] = eerev.etheraddr[4];
210 *(unsigned short *) &buf[20] = 0x48B2;
211 *(unsigned short *) &buf[22] = 0x0004;
212 *(unsigned short *) &buf[24] = 0x1433;
214 printf ("\nSRom: Writing i82559 info ........ ");
215 if (eepro100_srom_store ((unsigned short *) buf) == -1)
222 el_srom_checksum ((u_char *) eerev.board, eerev.size);
224 /* write new values */
225 printf ("\nSRom: Writing revision info ...... ");
226 if (mpc107_srom_store
227 ((BLOCK_SIZE - sizeof (revinfo)), (u_char *) & eerev,
228 sizeof (revinfo), SECOND_DEVICE, FIRST_BLOCK) == -1)
229 printf ("FAILED\n\n");
233 /* write new values as shadow image to nvram */
234 nvram_write (CONFIG_SYS_NV_SROM_COPY_ADDR, (void *) &eerev,
235 CONFIG_SYS_SROM_SIZE);
240 /* copy current values as shadow image to nvram */
241 if (initSrom == 0 && copyNv == 1)
242 nvram_write (CONFIG_SYS_NV_SROM_COPY_ADDR, (void *) &eerev,
243 CONFIG_SYS_SROM_SIZE);
245 /* update environment */
246 sprintf (buf, "%02x:%02x:%02x:%02x:%02x:%02x",
247 eerev.etheraddr[0], eerev.etheraddr[1],
248 eerev.etheraddr[2], eerev.etheraddr[3],
249 eerev.etheraddr[4], eerev.etheraddr[5]);
250 setenv ("ethaddr", buf);
252 /* print actual board identification */
253 printf ("Ident: %s Ser %s Rev %c%c\n",
254 eerev.board, (char *) &eerev.serial,
255 eerev.revision[0][0], eerev.revision[0][1]);
260 /*----------------------------------------------------------------------------*/