[U-Boot] [PATCH v5 3/9] armv8: Add workaround for USB erratum A-009798

[York Sun]

On 09/04/2017 04:04 AM, Ran Wang wrote:
> The default setting for USB High Speed Squelch Threshold results
> in a threshold close to or lower than 100mV. This leads to Receiver
> Compliance test failure for a 100mV threshold.
> 
> Shift the threshold from ~100mV towards ~130mV by setting SQRXTUNE
> to 0x0 to pass USB High Speed Receiver Sensitivity Compliance test.
> 
> Signed-off-by: Sriram Dash <sriram.dash at nxp.com>
> Signed-off-by: Rajesh Bhagat <rajesh.bhagat 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 v5:
> 	Use scfg_clrbits32() instead.
> 
> Change in v4:
> 	Update commit message about register setting.
> 	Clean up the math in set_usb_sqrxtune().
> 	Rename USB_TXVREFTUNE to SCFG_USB_TXVREFTUNE.
> 
> Change in v3:
> 	Use inline function to make code cleaner.
> 
> Change in v2:
> 	In function erratum_a009798():
> 	1.Put a blank line after variable declaration.
> 	2.Move common code together.

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

York