Thread (41 messages) 41 messages, 4 authors, 2021-07-13

RE: [PATCH v14 00/12] add ecspi ERR009165 for i.mx6/7 soc family

From: Robin Gong <hidden>
Date: 2021-06-15 02:23:44
Also in: dmaengine, linux-arm-kernel, linux-spi, lkml 

On 06/15/21 10:13 Fabio Estevam [off-list ref] wrote:
Hi Robin,

On Wed, Apr 7, 2021 at 4:15 AM Robin Gong [off-list ref] wrote:
quoted
There is ecspi ERR009165 on i.mx6/7 soc family, which cause FIFO
transfer to be send twice in DMA mode. Please get more information from:
https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.
nxp.com%2Fdocs%2Fen%2Ferrata%2FIMX6DQCE.pdf&amp;data=04%7C01%7
Cyibin.g
quoted
ong%40nxp.com%7C3c61a5cfd0574c1bc4eb08d92fa31257%7C686ea1d3bc2
b4c6fa92
quoted
cd99c5c301635%7C0%7C1%7C637593199700307681%7CUnknown%7CTWF
pbGZsb3d8eyJ
quoted
WIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7
C1000
quoted
&amp;sdata=g2%2FwpDG22czIhj7ELil2kiiGPG0d74Ac7D8H3g0YtJc%3D&amp;r
eserv
quoted
ed=0. The workaround is adding new sdma ram script which works in XCH
mode as PIO inside sdma instead of SMC mode, meanwhile, 'TX_THRESHOLD'
should be 0. The issue should be
Could you please confirm whether the sdma-imx7d.bin firmware available at
https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgit.kern
el.org%2Fpub%2Fscm%2Flinux%2Fkernel%2Fgit%2Ffirmware%2Flinux-firmwa
re.git%2Flog%2Fimx%2Fsdma%2Fsdma-imx7d.bin&amp;data=04%7C01%7Cyi
bin.gong%40nxp.com%7C3c61a5cfd0574c1bc4eb08d92fa31257%7C686ea1d
3bc2b4c6fa92cd99c5c301635%7C0%7C1%7C637593199700307681%7CUnkn
own%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1
haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=6UDEjl3ehC49af38OI%2FQhE
mbeLYgQSJB91Kriihw1Jk%3D&amp;reserved=0

contains the "new sdma ram script which works in XCH  mode as PIO inside
sdma instead of SMC mode" fix?
Yes, it contains.
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