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