Initial revision
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;
+ }
+}
diff --git a/board/hymod/flash.c b/board/hymod/flash.c
new file mode 100644
index 0000000..ee052e3
--- /dev/null
+++ b/board/hymod/flash.c
@@ -0,0 +1,745 @@
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.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
+ *
+ * Hacked for the Hymod board by Murray.Jensen@cmst.csiro.au, 20-Oct-00
+ */
+
+#include <common.h>
+#include <mpc8260.h>
+#include <board/hymod/flash.h>
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
+
+/*-----------------------------------------------------------------------
+ * Protection Flags:
+ */
+#define FLAG_PROTECT_SET 0x01
+#define FLAG_PROTECT_CLEAR 0x02
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+#if 0
+static ulong flash_get_size (vu_long *addr, flash_info_t *info);
+static void flash_get_offsets (ulong base, flash_info_t *info);
+#endif
+static int write_word (flash_info_t *info, ulong dest, ulong data);
+
+/*-----------------------------------------------------------------------
+ */
+
+/*
+ * probe for the existence of flash at bank word address "addr"
+ * 0 = yes, 1 = bad Manufacturer's Id, 2 = bad Device Id
+ */
+static int
+bank_probe_word(bank_addr_t addr)
+{
+ int retval;
+
+ /* reset the flash */
+ *addr = BANK_CMD_RST;
+
+ /* check the manufacturer id */
+ *addr = BANK_CMD_RD_ID;
+ if (*BANK_ADDR_REG_MAN(addr) != BANK_RD_ID_MAN) {
+ retval = -1;
+ goto out;
+ }
+
+ /* check the device id */
+ *addr = BANK_CMD_RD_ID;
+ if (*BANK_ADDR_REG_DEV(addr) != BANK_RD_ID_DEV) {
+ retval = -2;
+ goto out;
+ }
+
+ retval = CFG_FLASH_TYPE;
+
+out:
+ /* reset the flash again */
+ *addr = BANK_CMD_RST;
+
+ return retval;
+}
+
+/*
+ * probe for flash banks at address "base" and store info for any found
+ * into flash_info entry "fip". Must find at least one bank.
+ */
+static void
+bank_probe(flash_info_t *fip, bank_addr_t base)
+{
+ bank_addr_t addr, eaddr;
+ int nbanks;
+
+ fip->flash_id = FLASH_UNKNOWN;
+ fip->size = 0L;
+ fip->sector_count = 0;
+
+ addr = base;
+ eaddr = BANK_ADDR_BASE(addr, MAX_BANKS);
+ nbanks = 0;
+
+ while (addr < eaddr) {
+ bank_addr_t addrw, eaddrw, addrb;
+ int i, osc, nsc, curtype = -1;
+
+ addrw = addr;
+ eaddrw = BANK_ADDR_NEXT_WORD(addrw);
+
+ while (addrw < eaddrw) {
+ int thistype;
+
+#ifdef FLASH_DEBUG
+ printf(" probing for flash at addr 0x%08lx\n",
+ (unsigned long)addrw);
+#endif
+ if ((thistype = bank_probe_word(addrw++)) < 0)
+ goto out;
+
+ if (curtype < 0)
+ curtype = thistype;
+ else {
+ if (thistype != curtype) {
+ printf("Differing flash type found!\n");
+ goto out;
+ }
+ }
+ }
+
+ if (curtype < 0)
+ goto out;
+
+ /* bank exists - append info for this bank to *fip */
+ fip->flash_id = FLASH_MAN_INTEL|curtype;
+ fip->size += BANK_SIZE;
+ osc = fip->sector_count;
+ fip->sector_count += BANK_NBLOCKS;
+ if ((nsc = fip->sector_count) >= CFG_MAX_FLASH_SECT)
+ panic("Too many sectors in flash at address 0x%08lx\n",
+ (unsigned long)base);
+
+ addrb = addr;
+ for (i = osc; i < nsc; i++) {
+ fip->start[i] = (ulong)addrb;
+ fip->protect[i] = 0;
+ addrb = BANK_ADDR_NEXT_BLK(addrb);
+ }
+
+ addr = BANK_ADDR_NEXT_BANK(addr);
+ nbanks++;
+ }
+
+out:
+ if (nbanks == 0)
+ panic("ERROR: no flash found at address 0x%08lx\n",
+ (unsigned long)base);
+}
+
+static void
+bank_reset(flash_info_t *info, int sect)
+{
+ bank_addr_t addrw, eaddrw;
+
+ addrw = (bank_addr_t)info->start[sect];
+ eaddrw = BANK_ADDR_NEXT_WORD(addrw);
+
+ while (addrw < eaddrw) {
+#ifdef FLASH_DEBUG
+ printf(" writing reset cmd to addr 0x%08lx\n",
+ (unsigned long)addrw);
+#endif
+ *addrw = BANK_CMD_RST;
+ addrw++;
+ }
+}
+
+static void
+bank_erase_init(flash_info_t *info, int sect)
+{
+ bank_addr_t addrw, saddrw, eaddrw;
+ int flag;
+
+#ifdef FLASH_DEBUG
+ printf("0x%08lx BANK_CMD_PROG\n", BANK_CMD_PROG);
+ printf("0x%08lx BANK_CMD_ERASE1\n", BANK_CMD_ERASE1);
+ printf("0x%08lx BANK_CMD_ERASE2\n", BANK_CMD_ERASE2);
+ printf("0x%08lx BANK_CMD_CLR_STAT\n", BANK_CMD_CLR_STAT);
+ printf("0x%08lx BANK_CMD_RST\n", BANK_CMD_RST);
+ printf("0x%08lx BANK_STAT_RDY\n", BANK_STAT_RDY);
+ printf("0x%08lx BANK_STAT_ERR\n", BANK_STAT_ERR);
+#endif
+
+ saddrw = (bank_addr_t)info->start[sect];
+ eaddrw = BANK_ADDR_NEXT_WORD(saddrw);
+
+#ifdef FLASH_DEBUG
+ printf("erasing sector %d, start addr = 0x%08lx "
+ "(bank next word addr = 0x%08lx)\n", sect,
+ (unsigned long)saddrw, (unsigned long)eaddrw);
+#endif
+
+ /* Disable intrs which might cause a timeout here */
+ flag = disable_interrupts();
+
+ for (addrw = saddrw; addrw < eaddrw; addrw++) {
+#ifdef FLASH_DEBUG
+ printf(" writing erase cmd to addr 0x%08lx\n",
+ (unsigned long)addrw);
+#endif
+ *addrw = BANK_CMD_ERASE1;
+ *addrw = BANK_CMD_ERASE2;
+ }
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+}
+
+static int
+bank_erase_poll(flash_info_t *info, int sect)
+{
+ bank_addr_t addrw, saddrw, eaddrw;
+ int sectdone, haderr;
+
+ saddrw = (bank_addr_t)info->start[sect];
+ eaddrw = BANK_ADDR_NEXT_WORD(saddrw);
+
+ sectdone = 1;
+ haderr = 0;
+
+ for (addrw = saddrw; addrw < eaddrw; addrw++) {
+ bank_word_t stat = *addrw;
+
+#ifdef FLASH_DEBUG
+ printf(" checking status at addr "
+ "0x%08lx [0x%08lx]\n",
+ (unsigned long)addrw, stat);
+#endif
+ if ((stat & BANK_STAT_RDY) != BANK_STAT_RDY)
+ sectdone = 0;
+ else if ((stat & BANK_STAT_ERR) != 0) {
+ printf(" failed on sector %d "
+ "(stat = 0x%08lx) at "
+ "address 0x%08lx\n",
+ sect, stat,
+ (unsigned long)addrw);
+ *addrw = BANK_CMD_CLR_STAT;
+ haderr = 1;
+ }
+ }
+
+ if (haderr)
+ return (-1);
+ else
+ return (sectdone);
+}
+
+static int
+bank_write_word(bank_addr_t addr, bank_word_t value)
+{
+ bank_word_t stat;
+ ulong start;
+ int flag, retval;
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts();
+
+ *addr = BANK_CMD_PROG;
+
+ *addr = value;
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ retval = 0;
+
+ /* data polling for D7 */
+ start = get_timer (0);
+ do {
+ if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
+ retval = 1;
+ goto done;
+ }
+ stat = *addr;
+ } while ((stat & BANK_STAT_RDY) != BANK_STAT_RDY);
+
+ if ((stat & BANK_STAT_ERR) != 0) {
+ printf("flash program failed (stat = 0x%08lx) "
+ "at address 0x%08lx\n", (ulong)stat, (ulong)addr);
+ *addr = BANK_CMD_CLR_STAT;
+ retval = 3;
+ }
+
+done:
+ /* reset to read mode */
+ *addr = BANK_CMD_RST;
+
+ return (retval);
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+unsigned long
+flash_init(void)
+{
+ int i;
+
+ /* Init: no FLASHes known */
+ for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) {
+ flash_info[i].flash_id = FLASH_UNKNOWN;
+ }
+
+ bank_probe(&flash_info[0], (bank_addr_t)CFG_FLASH_BASE);
+
+ /*
+ * protect monitor and environment sectors
+ */
+
+#if CFG_MONITOR_BASE == CFG_FLASH_BASE
+ (void)flash_protect(FLAG_PROTECT_SET,
+ CFG_MONITOR_BASE,
+ CFG_MONITOR_BASE+CFG_MONITOR_LEN-1,
+ &flash_info[0]);
+#endif
+
+#if defined(CFG_FLASH_ENV_ADDR)
+ (void)flash_protect(FLAG_PROTECT_SET,
+ CFG_FLASH_ENV_ADDR,
+#if defined(CFG_FLASH_ENV_BUF)
+ CFG_FLASH_ENV_ADDR + CFG_FLASH_ENV_BUF - 1,
+#else
+ CFG_FLASH_ENV_ADDR + CFG_FLASH_ENV_SIZE - 1,
+#endif
+ &flash_info[0]);
+#endif
+
+ return flash_info[0].size;
+}
+
+/*-----------------------------------------------------------------------
+ */
+#if 0
+static void
+flash_get_offsets(ulong base, flash_info_t *info)
+{
+ int i;
+
+ /* set up sector start adress table */
+ if (info->flash_id & FLASH_BTYPE) {
+ /* set sector offsets for bottom boot block type */
+ info->start[0] = base + 0x00000000;
+ info->start[1] = base + 0x00008000;
+ info->start[2] = base + 0x0000C000;
+ info->start[3] = base + 0x00010000;
+ for (i = 4; i < info->sector_count; i++) {
+ info->start[i] = base + (i * 0x00020000) - 0x00060000;
+ }
+ } else {
+ /* set sector offsets for top boot block type */
+ i = info->sector_count - 1;
+ info->start[i--] = base + info->size - 0x00008000;
+ info->start[i--] = base + info->size - 0x0000C000;
+ info->start[i--] = base + info->size - 0x00010000;
+ for (; i >= 0; i--) {
+ info->start[i] = base + i * 0x00020000;
+ }
+ }
+
+}
+#endif /* 0 */
+
+/*-----------------------------------------------------------------------
+ */
+void
+flash_print_info(flash_info_t *info)
+{
+ int i;
+
+ if (info->flash_id == FLASH_UNKNOWN) {
+ printf ("missing or unknown FLASH type\n");
+ return;
+ }
+
+ switch (info->flash_id & FLASH_VENDMASK) {
+ case FLASH_MAN_INTEL: printf ("INTEL "); break;
+ default: printf ("Unknown Vendor "); break;
+ }
+
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case FLASH_28F320J5: printf ("28F320J5 (32 Mbit, 2 x 16bit)\n");
+ break;
+ default: printf ("Unknown Chip Type\n");
+ break;
+ }
+
+ printf (" Size: %ld MB in %d Sectors\n",
+ info->size >> 20, info->sector_count);
+
+ printf (" Sector Start Addresses:");
+ for (i=0; i<info->sector_count; ++i) {
+ if ((i % 5) == 0)
+ printf ("\n ");
+ printf (" %08lX%s",
+ info->start[i],
+ info->protect[i] ? " (RO)" : " "
+ );
+ }
+ printf ("\n");
+ return;
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+/*
+ * The following code cannot be run from FLASH!
+ */
+#if 0
+static ulong
+flash_get_size(vu_long *addr, flash_info_t *info)
+{
+ short i;
+ ulong value;
+ ulong base = (ulong)addr;
+
+
+ /* Write auto select command: read Manufacturer ID */
+ addr[0x0555] = 0x00AA00AA;
+ addr[0x02AA] = 0x00550055;
+ addr[0x0555] = 0x00900090;
+
+ value = addr[0];
+
+ switch (value) {
+ case AMD_MANUFACT:
+ info->flash_id = FLASH_MAN_AMD;
+ break;
+ case FUJ_MANUFACT:
+ info->flash_id = FLASH_MAN_FUJ;
+ break;
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ info->sector_count = 0;
+ info->size = 0;
+ return (0); /* no or unknown flash */
+ }
+
+ value = addr[1]; /* device ID */
+
+ switch (value) {
+ case AMD_ID_LV400T:
+ info->flash_id += FLASH_AM400T;
+ info->sector_count = 11;
+ info->size = 0x00100000;
+ break; /* => 1 MB */
+
+ case AMD_ID_LV400B:
+ info->flash_id += FLASH_AM400B;
+ info->sector_count = 11;
+ info->size = 0x00100000;
+ break; /* => 1 MB */
+
+ case AMD_ID_LV800T:
+ info->flash_id += FLASH_AM800T;
+ info->sector_count = 19;
+ info->size = 0x00200000;
+ break; /* => 2 MB */
+
+ case AMD_ID_LV800B:
+ info->flash_id += FLASH_AM800B;
+ info->sector_count = 19;
+ info->size = 0x00200000;
+ break; /* => 2 MB */
+
+ case AMD_ID_LV160T:
+ info->flash_id += FLASH_AM160T;
+ info->sector_count = 35;
+ info->size = 0x00400000;
+ break; /* => 4 MB */
+
+ case AMD_ID_LV160B:
+ info->flash_id += FLASH_AM160B;
+ info->sector_count = 35;
+ info->size = 0x00400000;
+ break; /* => 4 MB */
+#if 0 /* enable when device IDs are available */
+ case AMD_ID_LV320T:
+ info->flash_id += FLASH_AM320T;
+ info->sector_count = 67;
+ info->size = 0x00800000;
+ break; /* => 8 MB */
+
+ case AMD_ID_LV320B:
+ info->flash_id += FLASH_AM320B;
+ info->sector_count = 67;
+ info->size = 0x00800000;
+ break; /* => 8 MB */
+#endif
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ return (0); /* => no or unknown flash */
+
+ }
+
+ /* set up sector start adress table */
+ if (info->flash_id & FLASH_BTYPE) {
+ /* set sector offsets for bottom boot block type */
+ info->start[0] = base + 0x00000000;
+ info->start[1] = base + 0x00008000;
+ info->start[2] = base + 0x0000C000;
+ info->start[3] = base + 0x00010000;
+ for (i = 4; i < info->sector_count; i++) {
+ info->start[i] = base + (i * 0x00020000) - 0x00060000;
+ }
+ } else {
+ /* set sector offsets for top boot block type */
+ i = info->sector_count - 1;
+ info->start[i--] = base + info->size - 0x00008000;
+ info->start[i--] = base + info->size - 0x0000C000;
+ info->start[i--] = base + info->size - 0x00010000;
+ for (; i >= 0; i--) {
+ info->start[i] = base + i * 0x00020000;
+ }
+ }
+
+ /* check for protected sectors */
+ for (i = 0; i < info->sector_count; i++) {
+ /* read sector protection at sector address, (A7 .. A0) = 0x02 */
+ /* D0 = 1 if protected */
+ addr = (volatile unsigned long *)(info->start[i]);
+ info->protect[i] = addr[2] & 1;
+ }
+
+ /*
+ * Prevent writes to uninitialized FLASH.
+ */
+ if (info->flash_id != FLASH_UNKNOWN) {
+ addr = (volatile unsigned long *)info->start[0];
+
+ *addr = 0x00F000F0; /* reset bank */
+ }
+
+ return (info->size);
+}
+#endif /* 0 */
+
+
+/*-----------------------------------------------------------------------
+ */
+
+int
+flash_erase(flash_info_t *info, int s_first, int s_last)
+{
+ int prot, sect, haderr;
+ ulong start, now, last;
+ int rcode = 0;
+
+#ifdef FLASH_DEBUG
+ printf("\nflash_erase: erase %d sectors (%d to %d incl.) from\n"
+ " Bank # %d: ", s_last - s_first + 1, s_first, s_last,
+ (info - flash_info) + 1);
+ flash_print_info(info);
+#endif
+
+ if ((s_first < 0) || (s_first > s_last)) {
+ if (info->flash_id == FLASH_UNKNOWN) {
+ printf ("- missing\n");
+ } else {
+ printf ("- no sectors to erase\n");
+ }
+ return 1;
+ }
+
+ prot = 0;
+ for (sect=s_first; sect<=s_last; ++sect) {
+ if (info->protect[sect]) {
+ prot++;
+ }
+ }
+
+ if (prot) {
+ printf("- Warning: %d protected sector%s will not be erased!\n",
+ prot, (prot > 1 ? "s" : ""));
+ }
+
+ start = get_timer (0);
+ last = 0;
+ haderr = 0;
+
+ for (sect = s_first; sect <= s_last; sect++) {
+ if (info->protect[sect] == 0) { /* not protected */
+ ulong estart;
+ int sectdone;
+
+ bank_erase_init(info, sect);
+
+ /* wait at least 80us - let's wait 1 ms */
+ udelay (1000);
+
+ estart = get_timer(start);
+
+ do {
+ now = get_timer(start);
+
+ if (now - estart > CFG_FLASH_ERASE_TOUT) {
+ printf ("Timeout (sect %d)\n", sect);
+ haderr = 1;
+ rcode = 1;
+ break;
+ }
+
+#ifndef FLASH_DEBUG
+ /* show that we're waiting */
+ if ((now - last) > 1000) { /* every second */
+ putc ('.');
+ last = now;
+ }
+#endif
+
+ sectdone = bank_erase_poll(info, sect);
+
+ if (sectdone < 0) {
+ haderr = 1;
+ rcode = 1;
+ break;
+ }
+
+ } while (!sectdone);
+
+ if (haderr)
+ break;
+ }
+ }
+
+ if (haderr > 0)
+ printf (" failed\n");
+ else
+ printf (" done\n");
+
+ /* reset to read mode */
+ for (sect = s_first; sect <= s_last; sect++) {
+ if (info->protect[sect] == 0) { /* not protected */
+ bank_reset(info, sect);
+ }
+ }
+ return rcode;
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+
+int
+write_buff(flash_info_t *info, uchar *src, ulong addr, ulong cnt)
+{
+ ulong cp, wp, data;
+ int i, l, rc;
+
+ wp = (addr & ~3); /* get lower word aligned address */
+
+ /*
+ * handle unaligned start bytes
+ */
+ if ((l = addr - wp) != 0) {
+ data = 0;
+ for (i=0, cp=wp; i<l; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *)cp);
+ }
+ for (; i<4 && cnt>0; ++i) {
+ data = (data << 8) | *src++;
+ --cnt;
+ ++cp;
+ }
+ for (; cnt==0 && i<4; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *)cp);
+ }
+
+ if ((rc = write_word(info, wp, data)) != 0) {
+ return (rc);
+ }
+ wp += 4;
+ }
+
+ /*
+ * handle word aligned part
+ */
+ while (cnt >= 4) {
+ data = 0;
+ for (i=0; i<4; ++i) {
+ data = (data << 8) | *src++;
+ }
+ if ((rc = write_word(info, wp, data)) != 0) {
+ return (rc);
+ }
+ wp += 4;
+ cnt -= 4;
+ }
+
+ if (cnt == 0) {
+ return (0);
+ }
+
+ /*
+ * handle unaligned tail bytes
+ */
+ data = 0;
+ for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) {
+ data = (data << 8) | *src++;
+ --cnt;
+ }
+ for (; i<4; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *)cp);
+ }
+
+ return (write_word(info, wp, data));
+}
+
+/*-----------------------------------------------------------------------
+ * Write a word to Flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+static int
+write_word(flash_info_t *info, ulong dest, ulong data)
+{
+ int retval;
+
+ /* Check if Flash is (sufficiently) erased */
+ if ((*(ulong *)dest & data) != data) {
+ return (2);
+ }
+
+ retval = bank_write_word((bank_addr_t)dest, (bank_word_t)data);
+
+ return (retval);
+}
+
+/*-----------------------------------------------------------------------
+ */