before writing the received buffer to nand, erase the nand sectors. If not doing this, nand write fails. See for more info here:
http://lists.denx.de/pipermail/u-boot/2013-June/156361.html Signed-off-by: Heiko Schocher <h...@denx.de> Cc: Scott Wood <scottw...@freescale.com> Cc: Pantelis Antoniou <pa...@antoniou-consulting.com> Cc: Lukasz Majewski <l.majew...@samsung.com> Cc: Kyungmin Park <kyungmin.p...@samsung.com> Cc: Marek Vasut <ma...@denx.de> Cc: Tom Rini <tr...@ti.com> --- - changes for v2: - use opts.spread as Scott Wood suggested drivers/dfu/dfu_nand.c | 17 +++++++++++++++-- 1 Datei geändert, 15 Zeilen hinzugefügt(+), 2 Zeilen entfernt(-) diff --git a/drivers/dfu/dfu_nand.c b/drivers/dfu/dfu_nand.c index 7dc89b2..93db9bd 100644 --- a/drivers/dfu/dfu_nand.c +++ b/drivers/dfu/dfu_nand.c @@ -63,12 +63,25 @@ static int nand_block_op(enum dfu_nand_op op, struct dfu_entity *dfu, nand = &nand_info[nand_curr_device]; - if (op == DFU_OP_READ) + if (op == DFU_OP_READ) { ret = nand_read_skip_bad(nand, start, &count, &actual, lim, buf); - else + } else { + nand_erase_options_t opts; + + memset(&opts, 0, sizeof(opts)); + opts.offset = start; + opts.length = count; + opts.spread = 1; + opts.quiet = 1; + /* first erase */ + ret = nand_erase_opts(nand, &opts); + if (ret) + return ret; + /* then write */ ret = nand_write_skip_bad(nand, start, &count, &actual, lim, buf, 0); + } if (ret != 0) { printf("%s: nand_%s_skip_bad call failed at %llx!\n", -- 1.7.11.7 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot