On Tue, Oct 11, 2011 at 4:51 AM, Ajay Bhargav <[email protected]> wrote: > > ----- "Ajay Bhargav" <[email protected]> wrote: > >> As per JEDEC document JESD84-A441 (page 105) response for CMD7 >> (MMC_CMD_SELECT_CARD) response should be R1 instead of R1b. In uboot >> we >> never take MMC to disconnected state and on powerup its always ideal >> state which later goes to stand-by state. >> >> from document footnote: >> R1 while selecting from Stand-By State to Transfer State; R1b while >> selecting from Disconnected State to Programming State. >> >> Signed-off-by: Ajay Bhargav <[email protected]> >> --- >> drivers/mmc/mmc.c | 2 +- >> 1 files changed, 1 insertions(+), 1 deletions(-) >> >> diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c >> index e384399..79d00f6 100644 >> --- a/drivers/mmc/mmc.c >> +++ b/drivers/mmc/mmc.c >> @@ -987,7 +987,7 @@ int mmc_startup(struct mmc *mmc) >> /* Select the card, and put it into Transfer Mode */ >> if (!mmc_host_is_spi(mmc)) { /* cmd not supported in spi */ >> cmd.cmdidx = MMC_CMD_SELECT_CARD; >> - cmd.resp_type = MMC_RSP_R1b; >> + cmd.resp_type = MMC_RSP_R1; >> cmd.cmdarg = mmc->rca << 16; >> cmd.flags = 0; >> err = mmc_send_cmd(mmc, &cmd, NULL); >> -- >> 1.7.0.4 > > any comments?
I need to think about this. Was this causing you a problem? What were the symptoms? _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
