upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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79 lines
2.1 KiB
79 lines
2.1 KiB
/*
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* (C) Copyright 2009 Freescale Semiconductor, Inc.
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*
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* (C) Copyright 2008, Excito Elektronik i Sk=E5ne AB
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*
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* Author: Tor Krill tor@excito.com
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <pci.h>
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#include <usb.h>
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#include <asm/io.h>
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#include <usb/ehci-fsl.h>
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#include "ehci.h"
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#include "ehci-core.h"
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/*
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* Create the appropriate control structures to manage
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* a new EHCI host controller.
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*
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* Excerpts from linux ehci fsl driver.
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*/
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int ehci_hcd_init(void)
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{
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struct usb_ehci *ehci;
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ehci = (struct usb_ehci *)CONFIG_SYS_MPC8xxx_USB_ADDR;
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hccr = (struct ehci_hccr *)((uint32_t)&ehci->caplength);
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hcor = (struct ehci_hcor *)((uint32_t) hccr +
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HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
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/* Set to Host mode */
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setbits_le32(&ehci->usbmode, CM_HOST);
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out_be32(&ehci->snoop1, SNOOP_SIZE_2GB);
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out_be32(&ehci->snoop2, 0x80000000 | SNOOP_SIZE_2GB);
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/* Init phy */
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if (!strcmp(getenv("usb_phy_type"), "utmi"))
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out_le32(&(hcor->or_portsc[0]), PORT_PTS_UTMI);
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else
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out_le32(&(hcor->or_portsc[0]), PORT_PTS_ULPI);
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/* Enable interface. */
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setbits_be32(&ehci->control, USB_EN);
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out_be32(&ehci->prictrl, 0x0000000c);
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out_be32(&ehci->age_cnt_limit, 0x00000040);
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out_be32(&ehci->sictrl, 0x00000001);
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in_le32(&ehci->usbmode);
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return 0;
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}
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/*
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* Destroy the appropriate control structures corresponding
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* the the EHCI host controller.
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*/
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int ehci_hcd_stop(void)
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{
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return 0;
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}
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