/* * (C) Copyright 2009 Freescale Semiconductor, Inc. * * (C) Copyright 2008, Excito Elektronik i Sk=E5ne AB * * Author: Tor Krill tor@excito.com * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #include #include #include #include #include #include "ehci.h" #include "ehci-core.h" /* * Create the appropriate control structures to manage * a new EHCI host controller. * * Excerpts from linux ehci fsl driver. */ int ehci_hcd_init(void) { struct usb_ehci *ehci; ehci = (struct usb_ehci *)CONFIG_SYS_MPC8xxx_USB_ADDR; hccr = (struct ehci_hccr *)((uint32_t)&ehci->caplength); hcor = (struct ehci_hcor *)((uint32_t) hccr + HC_LENGTH(ehci_readl(&hccr->cr_capbase))); /* Set to Host mode */ setbits_le32(&ehci->usbmode, CM_HOST); out_be32(&ehci->snoop1, SNOOP_SIZE_2GB); out_be32(&ehci->snoop2, 0x80000000 | SNOOP_SIZE_2GB); /* Init phy */ if (!strcmp(getenv("usb_phy_type"), "utmi")) out_le32(&(hcor->or_portsc[0]), PORT_PTS_UTMI); else out_le32(&(hcor->or_portsc[0]), PORT_PTS_ULPI); /* Enable interface. */ setbits_be32(&ehci->control, USB_EN); out_be32(&ehci->prictrl, 0x0000000c); out_be32(&ehci->age_cnt_limit, 0x00000040); out_be32(&ehci->sictrl, 0x00000001); in_le32(&ehci->usbmode); return 0; } /* * Destroy the appropriate control structures corresponding * the the EHCI host controller. */ int ehci_hcd_stop(void) { return 0; }