[U-Boot] [PATCH v5 6/9] armv7: Add workaround for USB erratum A-009008

York Sun york.sun at nxp.com
Wed Sep 13 02:33:30 UTC 2017


On 09/04/2017 04:04 AM, Ran Wang wrote:
> USB High Speed (HS) EYE Height Adjustment
> USB HS speed eye diagram fails with the default value at
> many corners, particularly at a high temperature
> 
> Optimal eye at TXREFTUNE value to 0x9 is observed, change
> set the same value.
> 
> Signed-off-by: Sriram Dash <sriram.dash at nxp.com>
> Signed-off-by: Suresh Gupta <suresh.gupta at nxp.com>
> Signed-off-by: Ran Wang <ran.wang_1 at nxp.com>
> ---
> Change in v4:
> 	Use clrsetbits_be32() instead.
> 
> Change in v4:
> 	Change 1001 to 0x9 in the commit message to match the code.
> 	Clean up the math in register setting.
> 	Rename USB_TXVREFTUNE TO SCFG_USB_TXVREFTUNE.
> 
> Change in v3:
> - none
> 
> Change in v2:
> 	In function erratum_a009008():
> 	1.Put a blank line after variable declaration.
> 

Reordered Kconfig options. Applied to fsl-qoriq master. Thanks.

York



More information about the U-Boot mailing list