diff options
Diffstat (limited to 'drivers/mmc/mxsmmc.c')
| -rw-r--r-- | drivers/mmc/mxsmmc.c | 27 | 
1 files changed, 22 insertions, 5 deletions
| diff --git a/drivers/mmc/mxsmmc.c b/drivers/mmc/mxsmmc.c index 023dbd5bc..a72f66cc7 100644 --- a/drivers/mmc/mxsmmc.c +++ b/drivers/mmc/mxsmmc.c @@ -53,6 +53,12 @@ struct mxsmmc_priv {  	struct mxs_dma_desc	*desc;  }; +#if defined(CONFIG_MX23) +static const unsigned int mxsmmc_id_offset = 1; +#elif defined(CONFIG_MX28) +static const unsigned int mxsmmc_id_offset = 0; +#endif +  #define	MXSMMC_MAX_TIMEOUT	10000  #define MXSMMC_SMALL_TRANSFER	512 @@ -131,7 +137,7 @@ static int mxsmmc_send_cmd_dma(struct mxsmmc_priv *priv, struct mmc_data *data)  	priv->desc->cmd.data |= MXS_DMA_DESC_IRQ | MXS_DMA_DESC_DEC_SEM |  				(data_count << MXS_DMA_DESC_BYTES_OFFSET); -	dmach = MXS_DMA_CHANNEL_AHB_APBH_SSP0 + priv->id; +	dmach = MXS_DMA_CHANNEL_AHB_APBH_SSP0 + priv->id + mxsmmc_id_offset;  	mxs_dma_desc_append(dmach, priv->desc);  	if (mxs_dma_go(dmach)) {  		bounce_buffer_stop(&bbstate); @@ -222,14 +228,25 @@ mxsmmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)  		}  		ctrl0 |= SSP_CTRL0_DATA_XFER; + +		reg = data->blocksize * data->blocks; +#if defined(CONFIG_MX23) +		ctrl0 |= reg & SSP_CTRL0_XFER_COUNT_MASK; + +		clrsetbits_le32(&ssp_regs->hw_ssp_cmd0, +			SSP_CMD0_BLOCK_SIZE_MASK | SSP_CMD0_BLOCK_COUNT_MASK, +			((data->blocks - 1) << SSP_CMD0_BLOCK_COUNT_OFFSET) | +			((ffs(data->blocksize) - 1) << +				SSP_CMD0_BLOCK_SIZE_OFFSET)); +#elif defined(CONFIG_MX28) +		writel(reg, &ssp_regs->hw_ssp_xfer_size); +  		reg = ((data->blocks - 1) <<  			SSP_BLOCK_SIZE_BLOCK_COUNT_OFFSET) |  			((ffs(data->blocksize) - 1) <<  			SSP_BLOCK_SIZE_BLOCK_SIZE_OFFSET);  		writel(reg, &ssp_regs->hw_ssp_block_size); - -		reg = data->blocksize * data->blocks; -		writel(reg, &ssp_regs->hw_ssp_xfer_size); +#endif  	}  	/* Kick off the command */ @@ -401,7 +418,7 @@ int mxsmmc_initialize(bd_t *bis, int id, int (*wp)(int), int (*cd)(int))  		return -ENOMEM;  	} -	ret = mxs_dma_init_channel(id); +	ret = mxs_dma_init_channel(id + mxsmmc_id_offset);  	if (ret)  		return ret; |