From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek Vasut Date: Thu, 23 Jul 2015 16:17:15 +0200 Subject: [U-Boot] [PATCH 09/10 v2] arm: mvebu: Enable USB EHCI support on Armada XP In-Reply-To: <1437649366-4963-1-git-send-email-sr@denx.de> References: <1437649366-4963-1-git-send-email-sr@denx.de> Message-ID: <201507231617.15255.marex@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Thursday, July 23, 2015 at 01:02:46 PM, Stefan Roese wrote: > This patch enables the USB EHCI support for the Marvell Armada XP (AXP) > SoCs. In compatism to the Armada 38x (A38x), the AXP needs to configure > the USB PLL and the USB PHY's specifically in U-Boot. The A38x has done > this already in the bin_hdr (SPL U-Boot). Without this, accessing the > controller registers in U-Boot or Linux will hang the CPU. > > Additionally, the AXP uses a different USB EHCI base address. This > patch also takes care of this by runtime SoC detection in the Marvell > EHCI driver. [...] > diff --git a/drivers/usb/host/ehci-marvell.c > b/drivers/usb/host/ehci-marvell.c index 03c489c..826e7f7 100644 > --- a/drivers/usb/host/ehci-marvell.c > +++ b/drivers/usb/host/ehci-marvell.c > @@ -33,7 +33,14 @@ DECLARE_GLOBAL_DATA_PTR; > */ > #ifdef CONFIG_ARMADA_XP > > -#define MVUSB0_BASE MVEBU_USB20_BASE > +/* > + * Armada XP and Armada 38x have different base addresses for > + * the USB 2.0 EHCI host controller. So we need to provide > + * a mechnism to support both here. mechanism (I can fix that myself) > + */ > +#define MVUSB0_BASE \ > + (mvebu_soc_family() == MVEBU_SOC_A38X ? \ > + MVEBU_USB20_BASE : MVEBU_AXP_USB_BASE) > > /* > * Once all the older Marvell SoC's (Orion, Kirkwood) are converted Do you want me to pick this via USB tree ? Best regards, Marek Vasut