Add command for changing Flex-OneNAND SLC / MLC boundary.
Signed-off-by: Rohit Hagargundgi h.rohit@samsung.com --- common/cmd_onenand.c | 65 +++++++++++++++++++++++++++++++++++++++++++------- 1 files changed, 56 insertions(+), 9 deletions(-)
diff --git a/common/cmd_onenand.c b/common/cmd_onenand.c index 8d87b78..2caae45 100644 --- a/common/cmd_onenand.c +++ b/common/cmd_onenand.c @@ -21,8 +21,35 @@ extern struct mtd_info onenand_mtd; extern struct onenand_chip onenand_chip;
+/** + * do_set_boundary - [Flex-OneNAND] Set boundary of Flex-OneNAND + * @param mtd mtd information structure + * @param die die of device for which boundary will be set + * @param bdry new boundary value ie last SLC block of die + * + * Set boundary of Flex-OneNAND + */ +int do_set_boundary(struct mtd_info *mtd, unsigned die, unsigned bdry, int lock) +{ + struct onenand_chip *this = mtd->priv; + + if (!FLEXONENAND(this)) { + printf("Flex-OneNAND not found.\n"); + return -1; + } + + if (die >= this->dies) { + printf("Invalid die index\n"); + return -1; + } + + return flexonenand_set_boundary(mtd, die, bdry, lock); +} + int do_onenand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) { + struct mtd_info *mtd = &onenand_mtd; + struct onenand_chip *this = mtd->priv; int ret = 0;
switch (argc) { @@ -57,10 +84,11 @@ int do_onenand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) start = simple_strtoul(argv[2], NULL, 10); end = simple_strtoul(argv[3], NULL, 10);
- start >>= onenand_chip.erase_shift; - end >>= onenand_chip.erase_shift; + start = onenand_get_block(this, start, NULL); + end = onenand_get_block(this, end, NULL); /* Don't include the end block */ - end--; + if (end > 0) + end--; }
if (!end || end < 0) @@ -69,8 +97,13 @@ int do_onenand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) printf("Erase block from %lu to %lu\n", start, end);
for (block = start; block <= end; block++) { - instr.addr = block << onenand_chip.erase_shift; - instr.len = 1 << onenand_chip.erase_shift; + instr.addr = onenand_get_addr(this, block); + if (mtd->numeraseregions > 1) { + int i = flexonenand_region(mtd, instr.addr); + instr.len = mtd->eraseregions[i].erasesize; + } else + instr.len = mtd->erasesize; + ret = onenand_erase(&onenand_mtd, &instr); if (ret) { printf("erase failed %lu\n", block); @@ -134,15 +167,15 @@ int do_onenand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) ops.mode = MTD_OOB_PLACE;
- ofs = block << onenand_chip.erase_shift; + ofs = onenand_get_addr(this, block); if (page) ofs += page << onenand_chip.page_shift;
if (!len) { if (oob) - ops.ooblen = 64; + ops.ooblen = FLEXONENAND(this) ? 128 : 64; else - ops.len = 512; + ops.len = FLEXONENAND(this) ? 4096 : 512; }
if (oob) { @@ -158,6 +191,18 @@ int do_onenand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) return 0; }
+ if (strncmp(argv[1], "setboundary", 11) == 0) { + unsigned die = simple_strtoul(argv[2], NULL, 0); + unsigned bdry = simple_strtoul(argv[3], NULL, 0); + int lock = 0; + + if (argc == 5 && strncmp(argv[4], "LOCK", 4) == 0) + lock = 1; + + do_set_boundary(mtd, die, bdry, lock); + return 0; + } + break; }
@@ -172,5 +217,7 @@ U_BOOT_CMD( "onenand write addr ofs len - write data at ofs with len from addr\n" "onenand erase saddr eaddr - erase block start addr to end addr\n" "onenand block[.oob] addr block [page] [len] - " - "read data with (block [, page]) to addr" + "read data with (block [, page]) to addr\n" + "onenand setboundary DIE BOUNDARY [LOCK] - " + "Change SLC boundary of Flex-OneNAND\n" );