From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fabio Estevam Date: Wed, 2 Dec 2015 17:53:08 -0200 Subject: [U-Boot] mmc erase fails from U-Boot command line In-Reply-To: <565F4674.8010306@nelint.com> References: <5620E3A7.7040909@defengcorp.com> <5624CEC5.8040901@digi.com> <52F917CEA1B9C64C94833D53889D478C269236@dor-sms-xch01.digi.com> <565DEF80.90204@nelint.com> <565F3CD3.1010100@nelint.com> <565F4674.8010306@nelint.com> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Eric, On Wed, Dec 2, 2015 at 5:28 PM, Eric Nelson wrote: > You're hitting the block from a different path than we are and it will > be tomorrow before I can get an offending board on my desk. > > What happens if you "#if 0" around this block? Then the error changes to: => mmc erase 4000 1000 MMC erase: dev # 2, block # 16384, count 4096 ... Timeout waiting card ready 0 blocks erased: ERROR > > http://git.denx.de/?p=u-boot.git;a=blob;f=drivers/mmc/fsl_esdhc.c;h=c5054d66bdcda029f0485958c87bd5154ccee591;hb=HEAD#l390 > > Do you know which command is failing? It should be one of these: > MMC_CMD_ERASE_GROUP_START > MMC_CMD_ERASE_GROUP_END > MMC_CMD_ERASE It is MMC_CMD_ERASE as shown below. > > http://git.denx.de/?p=u-boot.git;a=blob;f=drivers/mmc/mmc_write.c;h=7aea7e943b9e05c8aa537653f4ae8878ecb1b04b;hb=HEAD#l17 > > I think you can instrument and find out using this: > > diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c > index 53084a7..8f5d9e1 100644 > --- a/drivers/mmc/mmc.c > +++ b/drivers/mmc/mmc.c > @@ -105,6 +105,9 @@ int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd > *cmd, struct mmc_data *data) > #else > ret = mmc->cfg->ops->send_cmd(mmc, cmd, data); > #endif > + if (ret) > + printf("error %d from CMD_SEND:%d\n", ret, cmd->cmdidx); > + > return ret; Applying this change on top of head I get: => mmc erase 4000 1000 MMC erase: dev # 2, block # 16384, count 4096 ... Timeout waiting for DAT0 to go high! error -19 from CMD_SEND:38 mmc erase failed 0 blocks erased: ERROR => Thanks