C++ (Cpp) bfin_write_MDMA_D1_IRQ_STATUS Examples

Example #1

File: bfin_dma.c Project: Blackburn29/PsycoKernel

void __init early_dma_memcpy_done(void)
{
	early_shadow_stamp();

	while ((bfin_read_MDMA_S0_CONFIG() && !(bfin_read_MDMA_D0_IRQ_STATUS() & DMA_DONE)) ||
	       (bfin_read_MDMA_S1_CONFIG() && !(bfin_read_MDMA_D1_IRQ_STATUS() & DMA_DONE)))
		continue;

	bfin_write_MDMA_D0_IRQ_STATUS(DMA_DONE | DMA_ERR);
	bfin_write_MDMA_D1_IRQ_STATUS(DMA_DONE | DMA_ERR);
	bfin_write_MDMA_S0_CONFIG(0);
	bfin_write_MDMA_S1_CONFIG(0);
	bfin_write_MDMA_D0_CONFIG(0);
	bfin_write_MDMA_D1_CONFIG(0);

	__builtin_bfin_ssync();
}

Example #2

File: bfin_dma_5xx.c Project: 0x0f/adam-kernel

void __init early_dma_memcpy_done(void)
{
	early_shadow_stamp();

	while ((bfin_read_MDMA_S0_CONFIG() && !(bfin_read_MDMA_D0_IRQ_STATUS() & DMA_DONE)) ||
	       (bfin_read_MDMA_S1_CONFIG() && !(bfin_read_MDMA_D1_IRQ_STATUS() & DMA_DONE)))
		continue;

	bfin_write_MDMA_D0_IRQ_STATUS(DMA_DONE | DMA_ERR);
	bfin_write_MDMA_D1_IRQ_STATUS(DMA_DONE | DMA_ERR);
	/*
	 * Now that DMA is done, we would normally flush cache, but
	 * i/d cache isn't running this early, so we don't bother,
	 * and just clear out the DMA channel for next time
	 */
	bfin_write_MDMA_S0_CONFIG(0);
	bfin_write_MDMA_S1_CONFIG(0);
	bfin_write_MDMA_D0_CONFIG(0);
	bfin_write_MDMA_D1_CONFIG(0);

	__builtin_bfin_ssync();
}