[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
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