u-boot/drivers/usb/host/ehci-spear.c

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/*
* (C) Copyright 2010
* Armando Visconti, ST Micoelectronics, <armando.visconti@st.com>.
*
* (C) Copyright 2009
* Marvell Semiconductor <www.marvell.com>
* Written-by: Prafulla Wadaskar <prafulla@marvell.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#include <usb.h>
#include "ehci.h"
#include <asm/arch/hardware.h>
/*
* Create the appropriate control structures to manage
* a new EHCI host controller.
*/
int ehci_hcd_init(int index, enum usb_init_type init,
struct ehci_hccr **hccr, struct ehci_hcor **hcor)
{
*hccr = (struct ehci_hccr *)(CONFIG_SYS_UHC0_EHCI_BASE + 0x100);
*hcor = (struct ehci_hcor *)((uint32_t)*hccr
+ HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
debug("SPEAr-ehci: init hccr %x and hcor %x hc_length %d\n",
(uint32_t)*hccr, (uint32_t)*hcor,
(uint32_t)HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
return 0;
}
/*
* Destroy the appropriate control structures corresponding
* the the EHCI host controller.
*/
int ehci_hcd_stop(int index)
{
return 0;
}