diff options
Diffstat (limited to 'drivers/dma/fsl-edma-common.c')
| -rw-r--r-- | drivers/dma/fsl-edma-common.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/drivers/dma/fsl-edma-common.c b/drivers/dma/fsl-edma-common.c index 227034de256e..8ba80f4b6f55 100644 --- a/drivers/dma/fsl-edma-common.c +++ b/drivers/dma/fsl-edma-common.c @@ -46,8 +46,16 @@ static void fsl_edma_enable_request(struct fsl_edma_chan *fsl_chan) struct edma_regs *regs = &fsl_chan->edma->regs; u32 ch = fsl_chan->vchan.chan.chan_id; - edma_writeb(fsl_chan->edma, EDMA_SEEI_SEEI(ch), regs->seei); - edma_writeb(fsl_chan->edma, ch, regs->serq); + if (fsl_chan->edma->version == v1) { + edma_writeb(fsl_chan->edma, EDMA_SEEI_SEEI(ch), regs->seei); + edma_writeb(fsl_chan->edma, ch, regs->serq); + } else { + /* ColdFire is big endian, and accesses natively + * big endian I/O peripherals + */ + iowrite8(EDMA_SEEI_SEEI(ch), regs->seei); + iowrite8(ch, regs->serq); + } } void fsl_edma_disable_request(struct fsl_edma_chan *fsl_chan) @@ -55,8 +63,16 @@ void fsl_edma_disable_request(struct fsl_edma_chan *fsl_chan) struct edma_regs *regs = &fsl_chan->edma->regs; u32 ch = fsl_chan->vchan.chan.chan_id; - edma_writeb(fsl_chan->edma, ch, regs->cerq); - edma_writeb(fsl_chan->edma, EDMA_CEEI_CEEI(ch), regs->ceei); + if (fsl_chan->edma->version == v1) { + edma_writeb(fsl_chan->edma, ch, regs->cerq); + edma_writeb(fsl_chan->edma, EDMA_CEEI_CEEI(ch), regs->ceei); + } else { + /* ColdFire is big endian, and accesses natively + * big endian I/O peripherals + */ + iowrite8(ch, regs->cerq); + iowrite8(EDMA_CEEI_CEEI(ch), regs->ceei); + } } EXPORT_SYMBOL_GPL(fsl_edma_disable_request); |