Aksal/nuttx
3
1
Fork 1
mirror of https://github.com/apache/nuttx.git synced 2026-08-07 13:37:18 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

arch/arm64/imx9: Clear edma4 mux conf before set

Browse source 
Warm boot might fail if edma4 channel mux is
not written to default value

Signed-off-by: Jouni Ukkonen <jouni.ukkonen@unikie.com>
This commit is contained in:
Jouni Ukkonen 2024-11-04 15:55:43 +02:00 • committed by Xiang Xiao
parent f1d180d56e
commit 6a0c239c8e
1 changed files with 3 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

3
arch/arm64/src/imx9/imx9_edma.c
View file

@ -980,6 +980,9 @@ DMACH_HANDLE imx9_dmach_alloc(uint16_t dmamux, uint8_t dchpri)
if (imx9_edma_tcdhasmux(dmach->base))
{
/* Set reset value first to CH MUX */
putreg8(0, base + IMX9_EDMA_CH_MUX_OFFSET);
dmainfo("CH%d: MUX:%u->%p\n", dmach->chan, dmach->dmamux,
(void *)(base + IMX9_EDMA_CH_MUX_OFFSET));
putreg8(dmach->dmamux, base + IMX9_EDMA_CH_MUX_OFFSET);