mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-16 01:38:22 +00:00
33 lines
679 B
C
33 lines
679 B
C
|
/*
|
||
|
|
* From Coreboot
|
||
|
|
* Copyright (C) 2008-2009 coresystems GmbH
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: GPL-2.0
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <common.h>
|
||
|
|
#include <asm/pci.h>
|
||
|
|
#include <asm/arch/pch.h>
|
||
|
|
|
||
|
|
void bd82x6x_usb_xhci_init(pci_dev_t dev)
|
||
|
|
{
|
||
|
|
u32 reg32;
|
||
|
|
|
||
|
|
debug("XHCI: Setting up controller.. ");
|
||
|
|
|
||
|
|
/* lock overcurrent map */
|
||
|
|
reg32 = pci_read_config32(dev, 0x44);
|
||
|
|
reg32 |= 1;
|
||
|
|
pci_write_config32(dev, 0x44, reg32);
|
||
|
|
|
||
|
|
/* Enable clock gating */
|
||
|
|
reg32 = pci_read_config32(dev, 0x40);
|
||
|
|
reg32 &= ~((1 << 20) | (1 << 21));
|
||
|
|
reg32 |= (1 << 19) | (1 << 18) | (1 << 17);
|
||
|
|
reg32 |= (1 << 10) | (1 << 9) | (1 << 8);
|
||
|
|
reg32 |= (1 << 31); /* lock */
|
||
|
|
pci_write_config32(dev, 0x40, reg32);
|
||
|
|
|
||
|
|
debug("done.\n");
|
||
|
|
}
|