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| author | wdenk <wdenk> | 2002-08-17 09:36:01 +0000 | 
|---|---|---|
| committer | wdenk <wdenk> | 2002-08-17 09:36:01 +0000 | 
| commit | affae2bff825c1a8d2cfeaf7b270188d251d39d2 (patch) | |
| tree | e025ca5a84cdcd70cff986e09f89e1aaa360499c /board/hymod/eeprom.c | |
| parent | cf356ef708390102d493c53d18fd19a5963c6aa9 (diff) | |
| download | olio-uboot-2014.01-affae2bff825c1a8d2cfeaf7b270188d251d39d2.tar.xz olio-uboot-2014.01-affae2bff825c1a8d2cfeaf7b270188d251d39d2.zip | |
Initial revision
Diffstat (limited to 'board/hymod/eeprom.c')
| -rw-r--r-- | board/hymod/eeprom.c | 597 | 
1 files changed, 597 insertions, 0 deletions
| diff --git a/board/hymod/eeprom.c b/board/hymod/eeprom.c new file mode 100644 index 000000000..9d506467c --- /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; +    } +} |