321 lines
9.3 KiB
C
321 lines
9.3 KiB
C
/*-
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* Copyright (c) 2003-2009 RMI Corporation
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* All rights 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
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* are met:
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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 the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of RMI Corporation, nor the names of its contributors,
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* RMI_BSD
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#define __RMAN_RESOURCE_VISIBLE
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/kernel.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/reboot.h>
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#include <sys/rman.h>
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#include <sys/types.h>
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#include <sys/malloc.h>
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#include <sys/bus.h>
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#include <sys/interrupt.h>
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#include <sys/module.h>
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#include <machine/cpu.h>
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#include <machine/bus.h>
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#include <machine/param.h>
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#include <machine/intr_machdep.h>
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#include <machine/clock.h> /* for DELAY */
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#include <machine/resource.h>
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#include <mips/rmi/board.h>
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#include <mips/rmi/pic.h>
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#include <mips/rmi/interrupt.h>
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#include <mips/rmi/msgring.h>
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#include <mips/rmi/iomap.h>
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#include <mips/rmi/rmi_mips_exts.h>
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#include <mips/rmi/dev/xlr/atx_cpld.h>
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#include <mips/rmi/dev/xlr/xgmac_mdio.h>
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extern bus_space_tag_t uart_bus_space_mem;
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static struct resource *
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iodi_alloc_resource(device_t, device_t, int, int *,
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u_long, u_long, u_long, u_int);
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static int
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iodi_activate_resource(device_t, device_t, int, int,
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struct resource *);
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static int
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iodi_setup_intr(device_t, device_t, struct resource *, int,
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driver_filter_t *, driver_intr_t *, void *, void **);
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struct iodi_softc *iodi_softc; /* There can be only one. */
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/*
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* We will manage the Flash/PCMCIA devices in IODI for now.
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* The NOR flash, Compact flash etc. which can be connected on
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* various chip selects on the peripheral IO, should have a
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* separate bus later.
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*/
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static void
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bridge_pcmcia_ack(int irq)
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{
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xlr_reg_t *mmio = xlr_io_mmio(XLR_IO_FLASH_OFFSET);
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xlr_write_reg(mmio, 0x60, 0xffffffff);
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}
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static int
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iodi_setup_intr(device_t dev, device_t child,
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struct resource *ires, int flags, driver_filter_t *filt,
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driver_intr_t *intr, void *arg, void **cookiep)
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{
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const char *name = device_get_name(child);
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if (strcmp(name, "uart") == 0) {
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/* FIXME uart 1? */
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cpu_establish_hardintr("uart", filt, intr, arg,
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PIC_UART_0_IRQ, flags, cookiep);
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pic_setup_intr(PIC_IRT_UART_0_INDEX, PIC_UART_0_IRQ, 0x1, 1);
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} else if (strcmp(name, "rge") == 0 || strcmp(name, "nlge") == 0) {
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int irq;
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/* This is a hack to pass in the irq */
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irq = (intptr_t)ires->__r_i;
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cpu_establish_hardintr("rge", filt, intr, arg, irq, flags,
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cookiep);
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pic_setup_intr(irq - PIC_IRQ_BASE, irq, 0x1, 1);
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} else if (strcmp(name, "ehci") == 0) {
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cpu_establish_hardintr("ehci", filt, intr, arg, PIC_USB_IRQ, flags,
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cookiep);
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pic_setup_intr(PIC_USB_IRQ - PIC_IRQ_BASE, PIC_USB_IRQ, 0x1, 1);
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} else if (strcmp(name, "ata") == 0) {
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xlr_establish_intr("ata", filt, intr, arg, PIC_PCMCIA_IRQ, flags,
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cookiep, bridge_pcmcia_ack);
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pic_setup_intr(PIC_PCMCIA_IRQ - PIC_IRQ_BASE, PIC_PCMCIA_IRQ, 0x1, 1);
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}
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return (0);
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}
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static struct resource *
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iodi_alloc_resource(device_t bus, device_t child, int type, int *rid,
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u_long start, u_long end, u_long count, u_int flags)
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{
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struct resource *res = malloc(sizeof(*res), M_DEVBUF, M_WAITOK);
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const char *name = device_get_name(child);
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int unit;
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#ifdef DEBUG
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switch (type) {
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case SYS_RES_IRQ:
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device_printf(bus, "IRQ resource - for %s %lx-%lx\n",
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device_get_nameunit(child), start, end);
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break;
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case SYS_RES_IOPORT:
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device_printf(bus, "IOPORT resource - for %s %lx-%lx\n",
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device_get_nameunit(child), start, end);
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break;
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case SYS_RES_MEMORY:
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device_printf(bus, "MEMORY resource - for %s %lx-%lx\n",
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device_get_nameunit(child), start, end);
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break;
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}
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#endif
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if (strcmp(name, "uart") == 0) {
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if ((unit = device_get_unit(child)) == 0) { /* uart 0 */
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res->r_bushandle = (xlr_io_base + XLR_IO_UART_0_OFFSET);
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} else if (unit == 1) {
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res->r_bushandle = (xlr_io_base + XLR_IO_UART_1_OFFSET);
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} else
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printf("%s: Unknown uart unit\n", __FUNCTION__);
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res->r_bustag = uart_bus_space_mem;
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} else if (strcmp(name, "ehci") == 0) {
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res->r_bushandle = MIPS_PHYS_TO_KSEG1(0x1ef24000);
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res->r_bustag = rmi_pci_bus_space;
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} else if (strcmp(name, "cfi") == 0) {
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res->r_bushandle = MIPS_PHYS_TO_KSEG1(0x1c000000);
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res->r_bustag = 0;
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} else if (strcmp(name, "ata") == 0) {
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res->r_bushandle = MIPS_PHYS_TO_KSEG1(0x1d000000);
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res->r_bustag = rmi_pci_bus_space; /* byte swapping (not really PCI) */
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}
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/* res->r_start = *rid; */
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return (res);
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}
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static int
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iodi_activate_resource(device_t bus, device_t child, int type, int rid,
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struct resource *r)
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{
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return (0);
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}
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/* prototypes */
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static int iodi_probe(device_t);
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static int iodi_attach(device_t);
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static int iodi_detach(device_t);
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static void iodi_identify(driver_t *, device_t);
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int
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iodi_probe(device_t dev)
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{
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return 0;
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}
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void
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iodi_identify(driver_t * driver, device_t parent)
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{
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BUS_ADD_CHILD(parent, 0, "iodi", 0);
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}
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int
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iodi_attach(device_t dev)
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{
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device_t tmpd;
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int i;
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/*
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* Attach each devices
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*/
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device_add_child(dev, "uart", 0);
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device_add_child(dev, "xlr_i2c", 0);
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device_add_child(dev, "pcib", 0);
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if (xlr_board_info.usb)
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device_add_child(dev, "ehci", 0);
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if (xlr_board_info.cfi)
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device_add_child(dev, "cfi", 0);
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if (xlr_board_info.ata)
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device_add_child(dev, "ata", 0);
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if (xlr_board_info.gmac_block[0].enabled) {
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tmpd = device_add_child(dev, "rge", 0);
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device_set_ivars(tmpd, &xlr_board_info.gmac_block[0]);
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tmpd = device_add_child(dev, "rge", 1);
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device_set_ivars(tmpd, &xlr_board_info.gmac_block[0]);
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tmpd = device_add_child(dev, "rge", 2);
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device_set_ivars(tmpd, &xlr_board_info.gmac_block[0]);
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tmpd = device_add_child(dev, "rge", 3);
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device_set_ivars(tmpd, &xlr_board_info.gmac_block[0]);
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}
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if (xlr_board_info.gmac_block[1].enabled) {
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if (xlr_board_info.gmac_block[1].type == XLR_GMAC) {
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tmpd = device_add_child(dev, "rge", 4);
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device_set_ivars(tmpd, &xlr_board_info.gmac_block[1]);
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tmpd = device_add_child(dev, "rge", 5);
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device_set_ivars(tmpd, &xlr_board_info.gmac_block[1]);
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if (xlr_board_info.gmac_block[1].enabled & 0x4) {
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tmpd = device_add_child(dev, "rge", 6);
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device_set_ivars(tmpd, &xlr_board_info.gmac_block[1]);
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}
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if (xlr_board_info.gmac_block[1].enabled & 0x8) {
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tmpd = device_add_child(dev, "rge", 7);
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device_set_ivars(tmpd, &xlr_board_info.gmac_block[1]);
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}
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} else if (xlr_board_info.gmac_block[1].type == XLR_XGMAC) {
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#if 0 /* XGMAC not yet */
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tmpd = device_add_child(dev, "rge", 4);
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device_set_ivars(tmpd, &xlr_board_info.gmac_block[1]);
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tmpd = device_add_child(dev, "rge", 5);
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device_set_ivars(tmpd, &xlr_board_info.gmac_block[1]);
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#endif
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} else
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device_printf(dev, "Unknown type of gmac 1\n");
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}
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/* This is to add the new GMAC driver. The above adds the old driver,
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which has been retained for now as the new driver is stabilized.
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The new driver is enabled with "option nlge". Make sure that only
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one of rge or nlge is enabled in the conf file. */
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for (i = 0; i < 3; i++) {
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if (xlr_board_info.gmac_block[i].enabled == 0)
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continue;
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tmpd = device_add_child(dev, "nlna", i);
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device_set_ivars(tmpd, &xlr_board_info.gmac_block[i]);
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}
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bus_generic_probe(dev);
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bus_generic_attach(dev);
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return 0;
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}
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int
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iodi_detach(device_t dev)
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{
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device_t nlna_dev;
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int error, i, ret;
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error = 0;
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ret = 0;
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for (i = 0; i < 3; i++) {
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nlna_dev = device_find_child(dev, "nlna", i);
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if (nlna_dev != NULL)
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error = bus_generic_detach(nlna_dev);
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if (error)
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ret = error;
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}
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return ret;
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}
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static device_method_t iodi_methods[] = {
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DEVMETHOD(device_probe, iodi_probe),
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DEVMETHOD(device_attach, iodi_attach),
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DEVMETHOD(device_detach, iodi_detach),
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DEVMETHOD(device_identify, iodi_identify),
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DEVMETHOD(bus_alloc_resource, iodi_alloc_resource),
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DEVMETHOD(bus_activate_resource, iodi_activate_resource),
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DEVMETHOD(bus_add_child, bus_generic_add_child),
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DEVMETHOD(bus_setup_intr, iodi_setup_intr),
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{0, 0},
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};
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static driver_t iodi_driver = {
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"iodi",
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iodi_methods,
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1 /* no softc */
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};
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static devclass_t iodi_devclass;
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DRIVER_MODULE(iodi, nexus, iodi_driver, iodi_devclass, 0, 0);
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