static void omap3_edma_done(omap3_ext_t *omap3, int channel)
{
uintptr_t base = omap3->dma_base + DRA446_SHADOW0_OFF;
dra446_param *param = (dra446_param *)(omap3->dma_base + DRA446_PARAM(channel));
if (channel > 31) {
base += 4;
channel -= 32;
}
if (in32(base + DRA446_EDMA_ER) & in32(base + DRA446_EDMA_EER)) {
int i=100;
while (param->ccnt != 0 && i--){
printf("%s(%d): %d %x \n", __func__, __LINE__, channel, param->ccnt);
delay(1);
}
}
/* Disable this EDMA event */
omap3_edma_bit(omap3, DRA446_EDMA_EECR, channel);
}
static void omap3_setup_tx_edma(omap3_ext_t *omap3, paddr_t addr, int len)
{
dra446_param *param;
int chnl = omap3->dma_treq;
/*
* In case there is a pending event
*/
omap3_edma_bit(omap3, DRA446_EDMA_ECR, chnl);
/*
* Initialize Tx DMA channel
*/
param = (dra446_param *)(omap3->dma_base + DRA446_PARAM(chnl));
param->opt = (0<< 23) /* ITCCHEN = 0 */
| (0 << 22) /* TCCHEN = 0 */
| (0 << 21) /* */
| (0 << 20) /* */
| (chnl << 12) /* TCC */
| (0 << 11) /* Normal completion */
| (0 << 3) /* PaRAM set is not static */
| (1 << 2) /* AB-synchronizad */
| (0 << 1) /* Destination address increment mode */
| (0 << 0); /* Source address increment mode */
param->src = addr;
param->abcnt = (128 << 16) | 4;
param->dst = omap3->mmc_pbase + OMAP3_MMCHS_DATA;
param->srcdstbidx = (0 << 16) | 4;
param->linkbcntrld = 0xFFFF;
param->srcdstcidx = (0 << 16) | 512;
param->ccnt = len / 512;
/*
* Enable event
*/
omap3_edma_bit(omap3, DRA446_EDMA_EESR, chnl);
}
