While dealing with large chips (e.g. page: 4KB, OOB:224), we found it helpful to get these additional NAND info by enabling the DEBUG macro instead of full tracing every time and consuming time. Especially about the currently in use scheme for testing & development.
Signed-off-by: Ahmed Samir Khalil engkhalil86@gmail.com --- cmd/nand.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+)
diff --git a/cmd/nand.c b/cmd/nand.c index c16ec77..ec7f1df 100644 --- a/cmd/nand.c +++ b/cmd/nand.c @@ -283,6 +283,9 @@ usage:
static void nand_print_and_set_info(int idx) { +#ifdef DEBUG + unsigned int i; +#endif struct mtd_info *mtd = nand_info[idx]; struct nand_chip *chip = mtd_to_nand(mtd);
@@ -298,6 +301,29 @@ static void nand_print_and_set_info(int idx) printf(" options 0x%8x\n", chip->options); printf(" bbt options 0x%8x\n", chip->bbt_options);
+#ifdef DEBUG + printf(" Chip delay %7d us\n", chip->chip_delay); + printf(" ECC bytes %8d b\n", nand->ecclayout->eccbytes); + printf(" OOB available %6d b\n\n", nand->ecclayout->oobavail); + + printf(" OOB free = {\n"); + for (i=0; i < nand->ecclayout->oobfree[i].length; i++) { + if( !(nand->ecclayout->oobfree[i].offset<0) ) + printf(" {.offset=%d, ", nand->ecclayout->oobfree[i].offset); + + if( !(nand->ecclayout->oobfree[i].length<0) ) + printf(".length=%d}, \n", nand->ecclayout->oobfree[i].length); + } + + printf(" };\n\n"); + printf(" ECC positions = {\n"); + for (i=0; i < MTD_MAX_ECCPOS_ENTRIES_LARGE; i++) { + if(nand->ecclayout->eccpos[i]>0) + printf("%d, ", nand->ecclayout->eccpos[i]); + } + printf("\n };\n\n"); +#endif + /* Set geometry info */ setenv_hex("nand_writesize", mtd->writesize); setenv_hex("nand_oobsize", mtd->oobsize);