[PATCH v12 0/3] Mediatek xHCI support
mathias.nyman at intel.com
Fri Nov 20 03:20:49 PST 2015
On 17.11.2015 11:18, Chunfeng Yun wrote:
> From 577f68d9c0ca1531d5f9cae0dcbea2ba116c8551 Mon Sep 17 00:00:00 2001
> From: Chunfeng Yun <chunfeng.yun at mediatek.com>
> Date: Tue, 17 Nov 2015 17:09:05 +0800
> Subject: [PATCH v12 0/3] Mediatek xHCI support
> The patch supports MediaTek's xHCI controller.
> There are some differences from xHCI spec:
> 1. The interval is specified in 250 * 8ns increments for Interrupt Moderation
> Interval(IMODI) of the Interrupter Moderation(IMOD) register, it is 8 times as
> much as that defined in xHCI spec.
> 2. For the value of TD Size in Normal TRB, MTK's xHCI controller defines a
> number of packets that remain to be transferred for a TD after processing all
> Max packets in all previous TRBs,that means don't include the current TRB's,
> but in xHCI spec it includes the current ones.
> 3. To minimize the scheduling effort for synchronous endpoints in xHC, the MTK
> architecture defines some extra SW scheduling parameters for HW. According to
> these parameters provided by SW, the xHC can easily decide whether a
> synchronous endpoint should be scheduled in a specific uFrame. The extra SW
> scheduling parameters are put into reserved DWs in Slot and Endpoint Context.
> And a bandwidth scheduler algorithm is added to support such feature.
> A usb3.0 phy driver is also added which used by mt65xx SoCs platform, it
> supports two usb2.0 ports and one usb3.0 port.
Added to my tree, I'll send it forward to Greg shortly
Fixed the documentation "wakeup_deb_p0" -> "wakeup_deb_p1" typo as well
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