| /* |
| * 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"); |
| } |
