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54cb00486e
This patch adds support for USB EHCI driver for Armada100 SOCs. Signed-off-by: Ajay Bhargav <ajay.bhargav@einfochips.com>
64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
/*
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* (C) Copyright 2012
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* eInfochips Ltd. <www.einfochips.com>
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* Written-by: Ajay Bhargav <ajay.bhargav@einfochips.com>
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*
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* This driver is based on Kirkwood echi driver
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* (C) Copyright 2009
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* Marvell Semiconductor <www.marvell.com>
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* Written-by: Prafulla Wadaskar <prafulla@marvell.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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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., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#include <common.h>
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#include <asm/io.h>
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#include <usb.h>
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#include "ehci.h"
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#include "ehci-core.h"
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#include <asm/arch/cpu.h>
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#include <asm/arch/armada100.h>
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#include <asm/arch/utmi-armada100.h>
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/*
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* EHCI host controller init
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*/
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int ehci_hcd_init(void)
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{
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if (utmi_init() < 0)
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return -1;
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hccr = (struct ehci_hccr *)(ARMD1_USB_HOST_BASE + 0x100);
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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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debug("armada100-ehci: init hccr %x and hcor %x hc_length %d\n",
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(uint32_t)hccr, (uint32_t)hcor,
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(uint32_t)HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
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return 0;
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}
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/*
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* EHCI host controller stop
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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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