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/*-
* Copyright 2003-2011 Netlogic Microsystems (Netlogic). All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY Netlogic Microsystems ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*
* NETLOGIC_BSD */
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <sys/systm.h>
#include <sys/param.h>
#include <sys/kernel.h>
#include <mips/nlm/hal/haldefs.h>
#include <mips/nlm/hal/iomap.h>
#include <mips/nlm/hal/usb.h>
#include <mips/nlm/xlp.h>
static void
nlm_usb_intr_en(int node, int port)
{
uint32_t val;
uint64_t port_addr;
port_addr = nlm_get_usb_regbase(node, port);
val = nlm_read_usb_reg(port_addr, USB_INT_EN);
val = USB_CTRL_INTERRUPT_EN | USB_OHCI_INTERRUPT_EN |
USB_OHCI_INTERRUPT1_EN | USB_CTRL_INTERRUPT_EN |
USB_OHCI_INTERRUPT_EN | USB_OHCI_INTERRUPT2_EN;
nlm_write_usb_reg(port_addr, USB_INT_EN, val);
}
static void
nlm_usb_hw_reset(int node, int port)
{
uint64_t port_addr;
uint32_t val;
/* reset USB phy */
port_addr = nlm_get_usb_regbase(node, port);
val = nlm_read_usb_reg(port_addr, USB_PHY_0);
val &= ~(USB_PHY_RESET | USB_PHY_PORT_RESET_0 | USB_PHY_PORT_RESET_1);
nlm_write_usb_reg(port_addr, USB_PHY_0, val);
DELAY(100);
val = nlm_read_usb_reg(port_addr, USB_CTL_0);
val &= ~(USB_CONTROLLER_RESET);
val |= 0x4;
nlm_write_usb_reg(port_addr, USB_CTL_0, val);
}
static void
nlm_usb_init(void)
{
/* XXX: should be checking if these are in Device mode here */
printf("Initialize USB Interface\n");
nlm_usb_hw_reset(0, 0);
nlm_usb_hw_reset(0, 3);
/* Enable PHY interrupts */
nlm_usb_intr_en(0, 0);
nlm_usb_intr_en(0, 3);
}
SYSINIT(nlm_usb_init, SI_SUB_CPU, SI_ORDER_MIDDLE,
nlm_usb_init, NULL);
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