From 035a1441641b202ee19fff5d52a20ef757867563 Mon Sep 17 00:00:00 2001
From: dwf1m12 <d.w.flynn@soton.ac.uk>
Date: Wed, 27 Sep 2023 11:59:41 +0100
Subject: [PATCH] change default DMA block transfer size to 16 to improve
bandwidth
---
software/common/validation/dma_tests.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/software/common/validation/dma_tests.c b/software/common/validation/dma_tests.c
index a04bd0f..87221a7 100644
--- a/software/common/validation/dma_tests.c
+++ b/software/common/validation/dma_tests.c
@@ -296,7 +296,8 @@ void dma_memory_copy (unsigned int src, unsigned int dest, unsigned int size, un
(size << 24) | /* src_size */
(size << 21) | /* dst_prot_ctrl - HPROT[3:1] */
(size << 18) | /* src_prot_ctrl - HPROT[3:1] */
- (0 << 14) | /* R_power */
+// (0 << 14) | /* R_power */
+ (4 << 14) | /* R_power for 16-word block transfer*/
((num-1)<< 4) | /* n_minus_1 */
(0 << 3) | /* next_useburst */
(2 << 0) ; /* cycle_ctrl - auto */
--
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