Linux/AM3352: Serial DMA Issue

JP Park95

Expert 1100 points

Part Number: AM3352

Tool/software: Linux

I look at the errata as follows.
Do you have a patch for the following Errata?

Advisory 1.0.12 : UART: Extra Assertion of FIFO Transmit DMA Request, UARTi_DMA_TX

Advisory 1.0.35 : UART: Transactions to MDR1 Register May Cause Undesired Effect on UART Operation

Advisory 1.0.41 : UART: UART0-5 Do Not Acknowledge Idle Request After DMA Has Been Enabled

Regards

over 6 years ago

0 Bin Liu over 6 years ago

TI__Guru**** 168631 points

Hi JP,
The sw workarounds for Advisory 1.0.35 and 1.0.41 are implemented in driver 8250_omap.c in Processor SDK v5.2 Linux kernel.
Please give me some more time to check for 1.0.12.

0 JP Park95 over 6 years ago in reply to Bin Liu

Expert 1100 points

Hi Bin Liu

Thank you for the response.

I would appreciate it if you could confirm about 1.0.12.

Regards

Processors

Processors forum

Linux/AM3352: Serial DMA Issue