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drivers: dma: ti-edma3: add support for memory fill

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Add support for simple memory fill operation. With large data sizes
it is much faster to use EDMA for memory fill rather than CPU.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
This commit is contained in:
Tero Kristo
2017-12-29 11:47:46 +05:30
committed by Tom Rini
parent 445277b9d1
commit 72b7af5a04
2 changed files with 50 additions and 7 deletions
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2
arch/arm/include/asm/ti-common/ti-edma3.h
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@@ -119,5 +119,7 @@ void edma3_set_transfer_params(u32 base, int slot, int acnt,
enum edma3_sync_dimension sync_mode);
void edma3_transfer(unsigned long edma3_base_addr, unsigned int
edma_slot_num, void *dst, void *src, size_t len);
void edma3_fill(unsigned long edma3_base_addr, unsigned int edma_slot_num,
void *dst, u8 val, size_t len);
#endif