int do_onenand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
int i, dev, ret = 1;
ulong addr, off;
size_t size, retlen=0;
char *cmd, *s;
struct mtd_info *onenand;
/* at least two arguments please */
if (argc < 2)
goto usage;
cmd = argv[1];
if (strcmp(cmd, "info") == 0) {
putc('\n');
for (i = 0; i < CFG_MAX_ONENAND_DEVICE; i++) {
struct onenand_chip *this = (onenand_info[i].priv);
printf("Device %d: (%04x) ", i, this->device_id);
/* org: onenand_print_device_info(this->device_id); */
onenand_print_device_info(this->device_id, 0);
}
return 0;
}
int do_onenand(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
int ret = 0;
switch (argc) {
case 0:
case 1:
printf("Usage:\n%s\n", cmdtp->usage);
return 1;
case 2:
onenand_print_device_info(onenand_chip.device_id, 1);
return 0;
default:
/* At least 4 args */
if (strncmp(argv[1], "erase", 5) == 0) {
struct erase_info instr;
ulong start, end;
char *endtail;
ulong block;
if (strncmp(argv[2], "block", 5) == 0) {
start = simple_strtoul(argv[3], NULL, 10);
endtail = strchr(argv[3], '-');
end = simple_strtoul(endtail+1, NULL, 10);
} else {
start = simple_strtoul(argv[2], NULL, 10);
end = simple_strtoul(argv[3], NULL, 10);
start -= (unsigned long) onenand_chip.base;
end -= (unsigned long) onenand_chip.base;
}
if (!end || end < 0)
end = start;
printf("Erase block from %d to %d\n", start, end);
for (block = start; block <= end; block++) {
instr.addr = block << onenand_chip.erase_shift;
instr.len = 1 << onenand_chip.erase_shift;
ret = onenand_erase(&onenand_mtd, &instr);
if (ret) {
printf("erase failed %d\n", block);
break;
}
}
return 0;
}
if (strncmp(argv[1], "read", 4) == 0) {
ulong addr = simple_strtoul(argv[2], NULL, 16);
ulong ofs = simple_strtoul(argv[3], NULL, 16);
size_t len = simple_strtoul(argv[4], NULL, 16);
size_t retlen = 0;
int oob = strncmp(argv[1], "read.oob", 8) ? 0 : 1;
if (oob)
onenand_read_oob(&onenand_mtd, ofs, len, &retlen, (u_char *) addr);
else
onenand_read(&onenand_mtd, ofs, len, &retlen, (u_char *) addr);
printf("Done\n");
return 0;
}
if (strncmp(argv[1], "write", 5) == 0) {
int ret ;
ulong addr = simple_strtoul(argv[2], NULL, 16);
ulong ofs = simple_strtoul(argv[3], NULL, 16);
size_t len = simple_strtoul(argv[4], NULL, 16);
size_t retlen = 0;
printf("onenadwrite: addr = 0x%x, ofs = 0x%x, len = 0x%x\n", addr, ofs, len);
ret = onenand_write(&onenand_mtd, ofs, len, &retlen, (u_char *) addr);
if (ret)
printf("Error writing oneNAND: ret = %d\n", ret);
else
printf("Done. ret = %d\n", ret);
return 0;
}
if (strncmp(argv[1], "block", 5) == 0) {
ulong addr = simple_strtoul(argv[2], NULL, 16);
ulong block = simple_strtoul(argv[3], NULL, 10);
ulong page = simple_strtoul(argv[4], NULL, 10);
size_t len = simple_strtol(argv[5], NULL, 10);
size_t retlen = 0;
ulong ofs;
int oob = strncmp(argv[1], "block.oob", 9) ? 0 : 1;
ofs = block << onenand_chip.erase_shift;
if (page)
ofs += page << onenand_chip.page_shift;
if (!len) {
if (oob)
len = 64;
else
len = 512;
}
if (oob)
onenand_read_oob(&onenand_mtd, ofs, len, &retlen, (u_char *) addr);
else
onenand_read(&onenand_mtd, ofs, len, &retlen, (u_char *) addr);
return 0;
}
if (strncmp(argv[1], "unlock", 6) == 0) {
ulong start = simple_strtoul(argv[2], NULL, 10);
ulong ofs = simple_strtoul(argv[3], NULL, 10);
if (!ofs)
ofs = (1 << onenand_chip.erase_shift);
start = start << onenand_chip.erase_shift;
printf("start = 0x%08x, ofs = 0x%08x\n",
start, ofs);
onenand_unlock(&onenand_mtd, start, start + ofs);
return 0;
}
if (strncmp(argv[1], "save", 4) == 0 &&
strncmp(argv[2], "bootloader", 10) == 0) {
ulong addr = simple_strtoul(argv[3], NULL, 16);
struct erase_info instr;
int ofs = 0;
int len = 0x20000;
size_t retlen;
printf("save bootloader...\n");
if (!addr)
break;
onenand_unlock(&onenand_mtd, ofs, len);
instr.addr = 0 << onenand_chip.erase_shift;
instr.len = 1 << onenand_chip.erase_shift;
onenand_erase(&onenand_mtd, &instr);
onenand_write(&onenand_mtd, ofs, len, &retlen, (u_char *) addr);
onenand_unlock(&onenand_mtd, CFG_ENV_ADDR, onenand_mtd.size - CFG_ENV_ADDR);
return 0;
}
break;
}
return 0;
}
