mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-11 15:37:23 +00:00
a896211ff1
EHCI interface now supports more than one controller. Wire up our usb functions to use this new interface. Signed-off-by: Lucas Stach <dev@lynxeye.de>
76 lines
2.1 KiB
C
76 lines
2.1 KiB
C
/*
|
|
* Copyright (c) 2009-2012 NVIDIA Corporation
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* 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 <common.h>
|
|
#include <usb.h>
|
|
|
|
#include "ehci.h"
|
|
|
|
#include <asm/errno.h>
|
|
#include <asm/arch/usb.h>
|
|
|
|
/*
|
|
* A known hardware issue where Connect Status Change bit of PORTSC register
|
|
* of USB1 controller will be set after Port Reset.
|
|
* We have to clear it in order for later device enumeration to proceed.
|
|
* This ehci_powerup_fixup overrides the weak function ehci_powerup_fixup
|
|
* in "ehci-hcd.c".
|
|
*/
|
|
void ehci_powerup_fixup(uint32_t *status_reg, uint32_t *reg)
|
|
{
|
|
mdelay(50);
|
|
if (((u32) status_reg & TEGRA_USB_ADDR_MASK) != TEGRA_USB1_BASE)
|
|
return;
|
|
/* For EHCI_PS_CSC to be cleared in ehci_hcd.c */
|
|
if (ehci_readl(status_reg) & EHCI_PS_CSC)
|
|
*reg |= EHCI_PS_CSC;
|
|
}
|
|
|
|
/*
|
|
* Create the appropriate control structures to manage
|
|
* a new EHCI host controller.
|
|
*/
|
|
int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor)
|
|
{
|
|
u32 our_hccr, our_hcor;
|
|
|
|
/*
|
|
* Select the first port, as we don't have a way of selecting others
|
|
* yet
|
|
*/
|
|
if (tegrausb_start_port(index, &our_hccr, &our_hcor))
|
|
return -1;
|
|
|
|
*hccr = (struct ehci_hccr *)our_hccr;
|
|
*hcor = (struct ehci_hcor *)our_hcor;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Destroy the appropriate control structures corresponding
|
|
* the the EHCI host controller.
|
|
*/
|
|
int ehci_hcd_stop(int index)
|
|
{
|
|
return tegrausb_stop_port(index);
|
|
}
|