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/*
* (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;
}
}