X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=drivers%2Fmmc%2Fgen_atmel_mci.c;h=67b2dbe8d4c0b4d47339714ceaac0f4ff29aa60c;hb=9924ca6e9b1933b8ea2bb0ca49fe67df9856ccc5;hp=d217574b57f7a3b0f34259a5c7616753d838ce28;hpb=c310fc840472a36e4b9d2505830e9dc8d458d63c;p=platform%2Fkernel%2Fu-boot.git diff --git a/drivers/mmc/gen_atmel_mci.c b/drivers/mmc/gen_atmel_mci.c index d217574..67b2dbe 100644 --- a/drivers/mmc/gen_atmel_mci.c +++ b/drivers/mmc/gen_atmel_mci.c @@ -87,6 +87,11 @@ static void mci_set_mode(struct mmc *mmc, u32 hz, u32 blklen) | MMCI_BF(BLKLEN, blklen) | MMCI_BIT(RDPROOF) | MMCI_BIT(WRPROOF)), &mci->mr); + /* + * On some new platforms BLKLEN in mci->mr is ignored. + * Should use the BLKLEN in the block register. + */ + writel(MMCI_BF(BLKLEN, blklen), &mci->blkr); initialized = 1; } @@ -183,9 +188,11 @@ mci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data) /* Figure out the transfer arguments */ cmdr = mci_encode_cmd(cmd, data, &error_flags); - if (data) - writel(MMCI_BF(BCNT, data->blocks) | - MMCI_BF(BLKLEN, mmc->read_bl_len), &mci->blkr); + /* For multi blocks read/write, set the block register */ + if ((cmd->cmdidx == MMC_CMD_READ_MULTIPLE_BLOCK) + || (cmd->cmdidx == MMC_CMD_WRITE_MULTIPLE_BLOCK)) + writel(data->blocks | MMCI_BF(BLKLEN, mmc->read_bl_len), + &mci->blkr); /* Send the command */ writel(cmd->cmdarg, &mci->argr); @@ -314,8 +321,8 @@ static int mci_init(struct mmc *mmc) writel(MMCI_BIT(MCIEN), &mci->cr); /* enable mci */ writel(MMCI_BF(SCDSEL, MCI_BUS), &mci->sdcr); /* select port */ - /* Initial Time-outs */ - writel(0x5f, &mci->dtor); + /* This delay can be optimized, but stick with max value */ + writel(0x7f, &mci->dtor); /* Disable Interrupts */ writel(~0UL, &mci->idr); @@ -341,6 +348,7 @@ int atmel_mci_init(void *regs) mmc->send_cmd = mci_send_cmd; mmc->set_ios = mci_set_ios; mmc->init = mci_init; + mmc->getcd = NULL; /* need to be able to pass these in on a board by board basis */ mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34;