summaryrefslogtreecommitdiff
path: root/board/hymod/eeprom.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/hymod/eeprom.c')
-rw-r--r--board/hymod/eeprom.c597
1 files changed, 597 insertions, 0 deletions
diff --git a/board/hymod/eeprom.c b/board/hymod/eeprom.c
new file mode 100644
index 0000000..9d50646
--- /dev/null
+++ b/board/hymod/eeprom.c
@@ -0,0 +1,597 @@
+/*
+ * (C) Copyright 2001
+ * Murray Jensen, CSIRO Manufacturing Science and Technology,
+ * <Murray.Jensen@cmst.csiro.au>
+ *
+ * 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
+ */
+
+#include <common.h>
+#include <mpc8260.h>
+
+/* imports from fetch.c */
+extern int fetch_and_parse(bd_t *, char *, ulong, int (*)(uchar *, uchar *));
+
+int
+eeprom_load(unsigned offset, hymod_eeprom_t *ep)
+{
+ uchar data[HYMOD_EEPROM_SIZE], *dp, *edp;
+ hymod_eehdr_t *hp;
+ ulong len, crc;
+
+ memset(ep, 0, sizeof *ep);
+ memset(data, 0, HYMOD_EEPROM_SIZE);
+ crc = 0;
+
+ hp = (hymod_eehdr_t *)data;
+ eeprom_read(CFG_DEF_EEPROM_ADDR, offset, (uchar *)hp, sizeof (*hp));
+ offset += sizeof (*hp);
+
+ if (hp->id != HYMOD_EEPROM_ID || hp->ver > HYMOD_EEPROM_VER ||
+ (len = hp->len) > HYMOD_EEPROM_MAXLEN)
+ return (0);
+
+ dp = (uchar *)(hp + 1); edp = dp + len;
+ eeprom_read(CFG_DEF_EEPROM_ADDR, offset, dp, len);
+ offset += len;
+
+ eeprom_read(CFG_DEF_EEPROM_ADDR, offset, (uchar *)&crc, sizeof (ulong));
+
+ if (crc32(0, data, edp - data) != crc)
+ return (0);
+
+ ep->ver = hp->ver;
+
+ for (;;) {
+ hymod_eerec_t *rp = (hymod_eerec_t *)dp;
+ ulong rtyp;
+ uchar rlen, *rdat;
+ uint rsiz;
+
+ if (rp->small.topbit == 0) {
+ rtyp = rp->small.type;
+ rlen = rp->small.len;
+ rdat = rp->small.data;
+ rsiz = offsetof(hymod_eerec_t, small.data) + rlen;
+ }
+ else if (rp->medium.nxtbit == 0) {
+ rtyp = rp->medium.type;
+ rlen = rp->medium.len;
+ rdat = rp->medium.data;
+ rsiz = offsetof(hymod_eerec_t, medium.data) + rlen;
+ }
+ else {
+ rtyp = rp->large.type;
+ rlen = rp->large.len;
+ rdat = rp->large.data;
+ rsiz = offsetof(hymod_eerec_t, large.data) + rlen;
+ }
+
+ if (rtyp == 0)
+ break;
+
+ dp += rsiz;
+ if (dp > edp) /* error? */
+ break;
+
+ switch (rtyp) {
+
+ case HYMOD_EEREC_SERNO: /* serial number */
+ if (rlen == sizeof (ulong))
+ memcpy(&ep->serno, rdat, sizeof (ulong));
+ break;
+
+ case HYMOD_EEREC_DATE: /* date */
+ if (rlen == sizeof (hymod_date_t))
+ memcpy(&ep->date, rdat, sizeof (hymod_date_t));
+ break;
+
+ case HYMOD_EEREC_BATCH: /* batch */
+ if (rlen <= HYMOD_MAX_BATCH)
+ memcpy(ep->batch, rdat, ep->batchlen = rlen);
+ break;
+
+ case HYMOD_EEREC_TYPE: /* board type */
+ if (rlen == 1)
+ ep->bdtype = *rdat;
+ break;
+
+ case HYMOD_EEREC_REV: /* board revision */
+ if (rlen == 1)
+ ep->bdrev = *rdat;
+ break;
+
+ case HYMOD_EEREC_SDRAM: /* sdram size(s) */
+ if (rlen > 0 && rlen <= HYMOD_MAX_SDRAM) {
+ int i;
+
+ for (i = 0; i < rlen; i++)
+ ep->sdramsz[i] = rdat[i];
+ ep->nsdram = rlen;
+ }
+ break;
+
+ case HYMOD_EEREC_FLASH: /* flash size(s) */
+ if (rlen > 0 && rlen <= HYMOD_MAX_FLASH) {
+ int i;
+
+ for (i = 0; i < rlen; i++)
+ ep->flashsz[i] = rdat[i];
+ ep->nflash = rlen;
+ }
+ break;
+
+ case HYMOD_EEREC_ZBT: /* zbt ram size(s) */
+ if (rlen > 0 && rlen <= HYMOD_MAX_ZBT) {
+ int i;
+
+ for (i = 0; i < rlen; i++)
+ ep->zbtsz[i] = rdat[i];
+ ep->nzbt = rlen;
+ }
+ break;
+
+ case HYMOD_EEREC_XLXTYP: /* xilinx fpga type(s) */
+ if (rlen > 0 && rlen <= HYMOD_MAX_XLX) {
+ int i;
+
+ for (i = 0; i < rlen; i++)
+ ep->xlx[i].type = rdat[i];
+ ep->nxlx = rlen;
+ }
+ break;
+
+ case HYMOD_EEREC_XLXSPD: /* xilinx fpga speed(s) */
+ if (rlen > 0 && rlen <= HYMOD_MAX_XLX) {
+ int i;
+
+ for (i = 0; i < rlen; i++)
+ ep->xlx[i].speed = rdat[i];
+ }
+ break;
+
+ case HYMOD_EEREC_XLXTMP: /* xilinx fpga temperature(s) */
+ if (rlen > 0 && rlen <= HYMOD_MAX_XLX) {
+ int i;
+
+ for (i = 0; i < rlen; i++)
+ ep->xlx[i].temp = rdat[i];
+ }
+ break;
+
+ case HYMOD_EEREC_XLXGRD: /* xilinx fpga grade(s) */
+ if (rlen > 0 && rlen <= HYMOD_MAX_XLX) {
+ int i;
+
+ for (i = 0; i < rlen; i++)
+ ep->xlx[i].grade = rdat[i];
+ }
+ break;
+
+ case HYMOD_EEREC_CPUTYP: /* CPU type */
+ if (rlen == 1)
+ ep->mpc.type = *rdat;
+ break;
+
+ case HYMOD_EEREC_CPUSPD: /* CPU speed */
+ if (rlen == 1)
+ ep->mpc.cpuspd = *rdat;
+ break;
+
+ case HYMOD_EEREC_CPMSPD: /* CPM speed */
+ if (rlen == 1)
+ ep->mpc.cpmspd = *rdat;
+ break;
+
+ case HYMOD_EEREC_BUSSPD: /* bus speed */
+ if (rlen == 1)
+ ep->mpc.busspd = *rdat;
+ break;
+
+ case HYMOD_EEREC_HSTYPE: /* high-speed serial chip type */
+ if (rlen == 1)
+ ep->hss.type = *rdat;
+ break;
+
+ case HYMOD_EEREC_HSCHIN: /* high-speed serial input channels */
+ if (rlen == 1)
+ ep->hss.nchin = *rdat;
+ break;
+
+ case HYMOD_EEREC_HSCHOUT: /* high-speed serial output channels */
+ if (rlen == 1)
+ ep->hss.nchout = *rdat;
+ break;
+
+ default: /* ignore */
+ break;
+ }
+ }
+
+ return (1);
+}
+
+/* maps an ascii "name=value" into a binary eeprom data record */
+typedef
+ struct _eerec_map {
+ char *name;
+ uint type;
+ uchar *(*handler)(struct _eerec_map *, uchar *, uchar *, uchar *);
+ uint length;
+ uint maxlen;
+ }
+eerec_map_t;
+
+static uchar *
+uint_handler(eerec_map_t *rp, uchar *value, uchar *dp, uchar *edp)
+{
+ uchar *eval;
+ union {
+ uchar cval[4];
+ ushort sval[2];
+ ulong lval;
+ } rdata;
+
+ rdata.lval = simple_strtol(value, (char **)&eval, 10);
+
+ if (eval == value || *eval != '\0') {
+ printf("%s record (%s) is not a valid uint\n", rp->name, value);
+ return (NULL);
+ }
+
+ if (dp + 2 + rp->length > edp) {
+ printf("can't fit %s record into eeprom\n", rp->name);
+ return (NULL);
+ }
+
+ *dp++ = rp->type;
+ *dp++ = rp->length;
+
+ switch (rp->length) {
+
+ case 1:
+ if (rdata.lval >= 256) {
+ printf("%s record value (%lu) out of range (0-255)\n",
+ rp->name, rdata.lval);
+ return (NULL);
+ }
+ *dp++ = rdata.cval[3];
+ break;
+
+ case 2:
+ if (rdata.lval >= 65536) {
+ printf("%s record value (%lu) out of range (0-65535)\n",
+ rp->name, rdata.lval);
+ return (NULL);
+ }
+ memcpy(dp, &rdata.sval[1], 2);
+ dp += 2;
+ break;
+
+ case 4:
+ memcpy(dp, &rdata.lval, 4);
+ dp += 4;
+ break;
+
+ default:
+ printf("huh? rp->length not 1, 2 or 4! (%d)\n", rp->length);
+ return (NULL);
+ }
+
+ return (dp);
+}
+
+static uchar *
+date_handler(eerec_map_t *rp, uchar *value, uchar *dp, uchar *edp)
+{
+ hymod_date_t date;
+ uchar *p = value, *ep;
+
+ date.year = simple_strtol(p, (char **)&ep, 10);
+ if (ep == p || *ep++ != '-') {
+bad_date:
+ printf("%s record (%s) is not a valid date\n", rp->name, value);
+ return (NULL);
+ }
+
+ date.month = simple_strtol(p = ep, (char **)&ep, 10);
+ if (ep == p || *ep++ != '-' || date.month == 0 || date.month > 12)
+ goto bad_date;
+
+ date.day = simple_strtol(p = ep, (char **)&ep, 10);
+ if (ep == p || *ep != '\0' || date.day == 0 || date.day > 31)
+ goto bad_date;
+
+ if (dp + 2 + sizeof (hymod_date_t) > edp) {
+ printf("can't fit %s record into eeprom\n", rp->name);
+ return (NULL);
+ }
+
+ *dp++ = rp->type;
+ *dp++ = sizeof (hymod_date_t);
+ memcpy(dp, &date, sizeof (hymod_date_t));
+ dp += sizeof (hymod_date_t);
+
+ return (dp);
+}
+
+static uchar *
+string_handler(eerec_map_t *rp, uchar *value, uchar *dp, uchar *edp)
+{
+ uint len;
+
+ if ((len = strlen(value)) > rp->maxlen) {
+ printf("%s record (%s) string is too long (%d>%d)\n",
+ rp->name, value, len, rp->maxlen);
+ return (NULL);
+ }
+
+ if (dp + 2 + len > edp) {
+ printf("can't fit %s record into eeprom\n", rp->name);
+ return (NULL);
+ }
+
+ *dp++ = rp->type;
+ *dp++ = len;
+ memcpy(dp, value, len);
+ dp += len;
+
+ return (dp);
+}
+
+static uchar *
+bytes_handler(eerec_map_t *rp, uchar *value, uchar *dp, uchar *edp)
+{
+ uchar bytes[HYMOD_MAX_BYTES], nbytes = 0;
+ uchar *p = value, *ep;
+
+ for (;;) {
+
+ if (nbytes >= HYMOD_MAX_BYTES) {
+ printf("%s record (%s) byte array too long\n", rp->name, value);
+ return (NULL);
+ }
+
+ bytes[nbytes++] = simple_strtol(p, (char **)&ep, 10);
+
+ if (ep == p || (*ep != '\0' && *ep != ',')) {
+ printf("%s record (%s) byte array has invalid uint\n",
+ rp->name, value);
+ return (NULL);
+ }
+
+ if (*ep++ == '\0')
+ break;
+
+ p = ep;
+ }
+
+ if (dp + 2 + nbytes > edp) {
+ printf("can't fit %s record into eeprom\n", rp->name);
+ return (NULL);
+ }
+
+ *dp++ = rp->type;
+ *dp++ = nbytes;
+ memcpy(dp, bytes, nbytes);
+ dp += nbytes;
+
+ return (dp);
+}
+
+static eerec_map_t eerec_map[] = {
+ /* name type handler len max */
+ { "serno", HYMOD_EEREC_SERNO, uint_handler, 4, 0 },
+ { "date", HYMOD_EEREC_DATE, date_handler, 4, 0 },
+ { "batch", HYMOD_EEREC_BATCH, string_handler, 0, HYMOD_MAX_BATCH },
+ { "type", HYMOD_EEREC_TYPE, uint_handler, 1, 0 },
+ { "rev", HYMOD_EEREC_REV, uint_handler, 1, 0 },
+ { "sdram", HYMOD_EEREC_SDRAM, bytes_handler, 0, HYMOD_MAX_SDRAM },
+ { "flash", HYMOD_EEREC_FLASH, bytes_handler, 0, HYMOD_MAX_FLASH },
+ { "zbt", HYMOD_EEREC_ZBT, bytes_handler, 0, HYMOD_MAX_ZBT },
+ { "xlxtyp", HYMOD_EEREC_XLXTYP, bytes_handler, 0, HYMOD_MAX_XLX },
+ { "xlxspd", HYMOD_EEREC_XLXSPD, bytes_handler, 0, HYMOD_MAX_XLX },
+ { "xlxtmp", HYMOD_EEREC_XLXTMP, bytes_handler, 0, HYMOD_MAX_XLX },
+ { "xlxgrd", HYMOD_EEREC_XLXGRD, bytes_handler, 0, HYMOD_MAX_XLX },
+ { "cputyp", HYMOD_EEREC_CPUTYP, uint_handler, 1, 0 },
+ { "cpuspd", HYMOD_EEREC_CPUSPD, uint_handler, 1, 0 },
+ { "cpmspd", HYMOD_EEREC_CPMSPD, uint_handler, 1, 0 },
+ { "busspd", HYMOD_EEREC_BUSSPD, uint_handler, 1, 0 },
+ { "hstype", HYMOD_EEREC_HSTYPE, uint_handler, 1, 0 },
+ { "hschin", HYMOD_EEREC_HSCHIN, uint_handler, 1, 0 },
+ { "hschout", HYMOD_EEREC_HSCHOUT, uint_handler, 1, 0 },
+};
+
+static int neerecs = sizeof eerec_map / sizeof eerec_map[0];
+
+static uchar data[HYMOD_EEPROM_SIZE], *sdp, *dp, *edp;
+
+static int
+eeprom_fetch_callback(uchar *name, uchar *value)
+{
+ eerec_map_t *rp;
+
+ for (rp = eerec_map; rp < &eerec_map[neerecs]; rp++)
+ if (strcmp(name, rp->name) == 0)
+ break;
+
+ if (rp >= &eerec_map[neerecs])
+ return (0);
+
+ if ((dp = (*rp->handler)(rp, value, dp, edp)) == NULL)
+ return (0);
+
+ return (1);
+}
+
+int
+eeprom_fetch(unsigned offset, bd_t *bd, char *filename, ulong addr)
+{
+ hymod_eehdr_t *hp = (hymod_eehdr_t *)&data[0];
+ ulong crc;
+
+ hp->id = HYMOD_EEPROM_ID;
+ hp->ver = HYMOD_EEPROM_VER;
+
+ dp = sdp = (uchar *)(hp + 1);
+ edp = dp + HYMOD_EEPROM_MAXLEN;
+
+ if (fetch_and_parse(bd, filename, addr, eeprom_fetch_callback) == 0)
+ return (0);
+
+ hp->len = dp - sdp;
+
+ crc = crc32(0, data, dp - data);
+ memcpy(dp, &crc, sizeof (ulong));
+ dp += sizeof (ulong);
+
+ eeprom_write(CFG_DEF_EEPROM_ADDR, offset, data, dp - data);
+
+ return (1);
+}
+
+static char *type_vals[] = {
+ "NONE", "IO", "CLP", "DSP", "INPUT", "ALT-INPUT", "DISPLAY"
+};
+
+static char *xlxtyp_vals[] = {
+ "NONE", "XCV300E", "XCV400E", "XCV600E"
+};
+
+static char *xlxspd_vals[] = {
+ "NONE", "6", "7", "8"
+};
+
+static char *xlxtmp_vals[] = {
+ "NONE", "COM", "IND"
+};
+
+static char *xlxgrd_vals[] = {
+ "NONE", "NORMAL", "ENGSAMP"
+};
+
+static char *cputyp_vals[] = {
+ "NONE", "MPC8260"
+};
+
+static char *clk_vals[] = {
+ "NONE", "33", "66", "100", "133", "166", "200"
+};
+
+static char *hstype_vals[] = {
+ "NONE", "AMCC-S2064A"
+};
+
+static void
+print_mem(char *l, char *s, uchar n, uchar a[])
+{
+ if (n > 0) {
+ if (n == 1)
+ printf("%s%dMB %s", s, 1 << (a[0] - 20), l);
+ else {
+ ulong t = 0;
+ int i;
+
+ for (i = 0; i < n; i++)
+ t += 1 << (a[i] - 20);
+
+ printf("%s%luMB %s (%d banks:", s, t, l, n);
+
+ for (i = 0; i < n; i++)
+ printf("%dMB%s", 1 << (a[i] - 20), (i == n - 1) ? ")" : ",");
+ }
+ }
+ else
+ printf("%sNO %s", s, l);
+}
+
+void
+eeprom_print(hymod_eeprom_t *ep)
+{
+ int i;
+
+ printf(" Hymod %s board, rev %03d\n",
+ type_vals[ep->bdtype], ep->bdrev);
+
+ printf(" serial #: %010lu, date %04d-%02d-%02d",
+ ep->serno, ep->date.year, ep->date.month, ep->date.day);
+ if (ep->batchlen > 0)
+ printf(", batch \"%.*s\"", ep->batchlen, ep->batch);
+ puts("\n");
+
+ switch (ep->bdtype) {
+
+ case HYMOD_BDTYPE_IO:
+ case HYMOD_BDTYPE_CLP:
+ case HYMOD_BDTYPE_DSP:
+ printf(" Motorola %s CPU, speeds: %s/%s/%s",
+ cputyp_vals[ep->mpc.type], clk_vals[ep->mpc.cpuspd],
+ clk_vals[ep->mpc.cpmspd], clk_vals[ep->mpc.busspd]);
+
+ print_mem("SDRAM", ", ", ep->nsdram, ep->sdramsz);
+
+ print_mem("FLASH", ", ", ep->nflash, ep->flashsz);
+
+ puts("\n");
+
+ print_mem("ZBT", " ", ep->nzbt, ep->zbtsz);
+
+ if (ep->nxlx > 0) {
+ hymod_xlx_t *xp;
+
+ if (ep->nxlx == 1) {
+ xp = &ep->xlx[0];
+ printf(", Xilinx %s FPGA (%s/%s/%s)",
+ xlxtyp_vals[xp->type], xlxspd_vals[xp->speed],
+ xlxtmp_vals[xp->temp], xlxgrd_vals[xp->grade]);
+ }
+ else {
+ printf(", %d Xilinx FPGAs (", ep->nxlx);
+ for (i = 0; i < ep->nxlx; i++) {
+ xp = &ep->xlx[i];
+ printf("%s[%s/%s/%s]%s",
+ xlxtyp_vals[xp->type], xlxspd_vals[xp->speed],
+ xlxtmp_vals[xp->temp], xlxgrd_vals[xp->grade],
+ (i == ep->nxlx - 1) ? ")" : ", ");
+ }
+ }
+ }
+ else
+ puts(", NO FPGAs");
+
+ puts("\n");
+
+ if (ep->hss.type > 0)
+ printf(" High Speed Serial: %s, %d input%s, %d output%s\n",
+ hstype_vals[ep->hss.type],
+ ep->hss.nchin, (ep->hss.nchin == 1 ? "" : "s"),
+ ep->hss.nchout, (ep->hss.nchout == 1 ? "" : "s"));
+ break;
+
+ case HYMOD_BDTYPE_INPUT:
+ case HYMOD_BDTYPE_ALTINPUT:
+ case HYMOD_BDTYPE_DISPLAY:
+ break;
+
+ default:
+ /* crap! */
+ printf(" UNKNOWN BOARD TYPE: %d\n", ep->bdtype);
+ break;
+ }
+}