1/*- 2 * Copyright 2003-2011 Netlogic Microsystems (Netlogic). All rights 3 * reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in 13 * the documentation and/or other materials provided with the 14 * distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY Netlogic Microsystems ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 26 * THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * NETLOGIC_BSD */ 29 30#include <sys/cdefs.h> 31__FBSDID("$FreeBSD$"); 32#include <sys/types.h> 33#include <sys/systm.h> 34#include <sys/param.h> 35#include <sys/kernel.h> 36 37#include <mips/nlm/hal/haldefs.h> 38#include <mips/nlm/hal/iomap.h> 39#include <mips/nlm/hal/cpuinfo.h> 40#include <mips/nlm/hal/usb.h> 41 42#include <mips/nlm/xlp.h> 43 44 45static void 46nlm_usb_intr_en(int node, int port) 47{ 48 uint32_t val; 49 uint64_t port_addr; 50 51 port_addr = nlm_get_usb_regbase(node, port); 52 val = nlm_read_usb_reg(port_addr, USB_INT_EN); 53 val = USB_CTRL_INTERRUPT_EN | USB_OHCI_INTERRUPT_EN | 54 USB_OHCI_INTERRUPT1_EN | USB_CTRL_INTERRUPT_EN | 55 USB_OHCI_INTERRUPT_EN | USB_OHCI_INTERRUPT2_EN; 56 nlm_write_usb_reg(port_addr, USB_INT_EN, val); 57} 58 59static void 60nlm_usb_hw_reset(int node, int port) 61{ 62 uint64_t port_addr; 63 uint32_t val; 64 65 /* reset USB phy */ 66 port_addr = nlm_get_usb_regbase(node, port); 67 val = nlm_read_usb_reg(port_addr, USB_PHY_0); 68 val &= ~(USB_PHY_RESET | USB_PHY_PORT_RESET_0 | USB_PHY_PORT_RESET_1); 69 nlm_write_usb_reg(port_addr, USB_PHY_0, val); 70 71 DELAY(100); 72 val = nlm_read_usb_reg(port_addr, USB_CTL_0); 73 val &= ~(USB_CONTROLLER_RESET); 74 val |= 0x4; 75 nlm_write_usb_reg(port_addr, USB_CTL_0, val); 76} 77 78static void 79nlm_usb_init(void) 80{ 81 /* XXX: should be checking if these are in Device mode here */ 82 printf("Initialize USB Interface\n"); 83 nlm_usb_hw_reset(0, 0); 84 nlm_usb_hw_reset(0, 3); 85 86 /* Enable PHY interrupts */ 87 nlm_usb_intr_en(0, 0); 88 nlm_usb_intr_en(0, 3); 89} 90 91SYSINIT(nlm_usb_init, SI_SUB_CPU, SI_ORDER_MIDDLE, 92 nlm_usb_init, NULL); 93