diff options
author | sam <sam@FreeBSD.org> | 2008-12-23 17:40:02 +0000 |
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committer | sam <sam@FreeBSD.org> | 2008-12-23 17:40:02 +0000 |
commit | c5ef864c3b34a9c2167e32d844fd3e1a65530faf (patch) | |
tree | f6081e57885d83019980466e3a5febe3021166f6 /sys/arm | |
parent | 51fadfa5df96ed7a2d89b03117f343d5997d8a22 (diff) | |
download | FreeBSD-src-c5ef864c3b34a9c2167e32d844fd3e1a65530faf.zip FreeBSD-src-c5ef864c3b34a9c2167e32d844fd3e1a65530faf.tar.gz |
move IXP4XX EHCI bus shim to the usb directory and rename
Diffstat (limited to 'sys/arm')
-rw-r--r-- | sys/arm/xscale/ixp425/files.ixp425 | 2 | ||||
-rw-r--r-- | sys/arm/xscale/ixp425/ixp435_ehci.c | 360 |
2 files changed, 1 insertions, 361 deletions
diff --git a/sys/arm/xscale/ixp425/files.ixp425 b/sys/arm/xscale/ixp425/files.ixp425 index 4299857..02814f5 100644 --- a/sys/arm/xscale/ixp425/files.ixp425 +++ b/sys/arm/xscale/ixp425/files.ixp425 @@ -45,4 +45,4 @@ IxNpeMicrocode.dat optional npe_fw \ # arm/xscale/ixp425/ixp425_qmgr.c optional qmgr # -arm/xscale/ixp425/ixp435_ehci.c optional ehci +dev/usb/ehci_ixp4xx.c optional ehci diff --git a/sys/arm/xscale/ixp425/ixp435_ehci.c b/sys/arm/xscale/ixp425/ixp435_ehci.c deleted file mode 100644 index bc800d3..0000000 --- a/sys/arm/xscale/ixp425/ixp435_ehci.c +++ /dev/null @@ -1,360 +0,0 @@ -/*- - * Copyright (c) 2008 Sam Leffler. 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 THE AUTHOR ``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 THE AUTHOR 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. - */ - -/* - * IXP435 attachment driver for the USB Enhanced Host Controller. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include "opt_bus.h" - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/kernel.h> -#include <sys/module.h> -#include <sys/lock.h> -#include <sys/mutex.h> -#include <sys/bus.h> -#include <sys/endian.h> -#include <sys/queue.h> -#include <sys/lockmgr.h> -#include <sys/rman.h> - -#include <machine/bus.h> -#include <machine/resource.h> - -#include <dev/usb/usb.h> -#include <dev/usb/usbdi.h> -#include <dev/usb/usbdivar.h> -#include <dev/usb/usb_mem.h> - -#include <dev/usb/ehcireg.h> -#include <dev/usb/ehcivar.h> - -#include <arm/xscale/ixp425/ixp425reg.h> -#include <arm/xscale/ixp425/ixp425var.h> - -#define EHCI_VENDORID_IXP4XX 0x42fa05 -#define EHCI_HC_DEVSTR "IXP4XX Integrated USB 2.0 controller" - -struct ixp_ehci_softc { - ehci_softc_t base; /* storage for EHCI code */ - bus_space_tag_t iot; - bus_space_handle_t ioh; - struct bus_space tag; /* tag for private bus space ops */ -}; - -static int ehci_ixp_detach(device_t self); - -static uint8_t ehci_bs_r_1(void *, bus_space_handle_t, bus_size_t); -static void ehci_bs_w_1(void *, bus_space_handle_t, bus_size_t, u_int8_t); -static uint16_t ehci_bs_r_2(void *, bus_space_handle_t, bus_size_t); -static void ehci_bs_w_2(void *, bus_space_handle_t, bus_size_t, uint16_t); -static uint32_t ehci_bs_r_4(void *, bus_space_handle_t, bus_size_t); -static void ehci_bs_w_4(void *, bus_space_handle_t, bus_size_t, uint32_t); - -static int -ehci_ixp_suspend(device_t self) -{ - ehci_softc_t *sc; - int err; - - err = bus_generic_suspend(self); - if (err == 0) { - sc = device_get_softc(self); - ehci_power(PWR_SUSPEND, sc); - } - return err; -} - -static int -ehci_ixp_resume(device_t self) -{ - ehci_softc_t *sc = device_get_softc(self); - - ehci_power(PWR_RESUME, sc); - bus_generic_resume(self); - return 0; -} - -static int -ehci_ixp_shutdown(device_t self) -{ - ehci_softc_t *sc; - int err; - - err = bus_generic_shutdown(self); - if (err == 0) { - sc = device_get_softc(self); - ehci_shutdown(sc); - } - return err; -} - -static int -ehci_ixp_probe(device_t self) -{ - device_set_desc(self, EHCI_HC_DEVSTR); - return BUS_PROBE_DEFAULT; -} - -static int -ehci_ixp_attach(device_t self) -{ - struct ixp_ehci_softc *isc = device_get_softc(self); - ehci_softc_t *sc = &isc->base; - int err, rid; - - sc->sc_bus.usbrev = USBREV_2_0; - - /* NB: hints fix the memory location and irq */ - - rid = 0; - sc->io_res = bus_alloc_resource_any(self, SYS_RES_MEMORY, - &rid, RF_ACTIVE); - if (sc->io_res == NULL) { - device_printf(self, "Could not map memory\n"); - return ENXIO; - } - - /* - * Craft special resource for bus space ops that handle - * byte-alignment of non-word addresses. Also, since - * we're already intercepting bus space ops we handle - * the register window offset that could otherwise be - * done with bus_space_subregion. - */ - isc->iot = rman_get_bustag(sc->io_res); - isc->tag.bs_cookie = isc->iot; - /* read single */ - isc->tag.bs_r_1 = ehci_bs_r_1, - isc->tag.bs_r_2 = ehci_bs_r_2, - isc->tag.bs_r_4 = ehci_bs_r_4, - /* write (single) */ - isc->tag.bs_w_1 = ehci_bs_w_1, - isc->tag.bs_w_2 = ehci_bs_w_2, - isc->tag.bs_w_4 = ehci_bs_w_4, - - sc->iot = &isc->tag; - sc->ioh = rman_get_bushandle(sc->io_res); - sc->sc_size = IXP435_USB1_SIZE - 0x100; - - rid = 0; - sc->irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, - &rid, RF_ACTIVE); - if (sc->irq_res == NULL) { - device_printf(self, "Could not allocate irq\n"); - ehci_ixp_detach(self); - return ENXIO; - } - sc->sc_bus.bdev = device_add_child(self, "usb", -1); - if (!sc->sc_bus.bdev) { - device_printf(self, "Could not add USB device\n"); - ehci_ixp_detach(self); - return ENOMEM; - } - device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus); - - sprintf(sc->sc_vendor, "Intel"); - sc->sc_id_vendor = EHCI_VENDORID_IXP4XX; - - err = bus_setup_intr(self, sc->irq_res, INTR_TYPE_BIO, - NULL, (driver_intr_t*)ehci_intr, sc, &sc->ih); - if (err) { - device_printf(self, "Could not setup irq, %d\n", err); - sc->ih = NULL; - ehci_ixp_detach(self); - return ENXIO; - } - - /* There are no companion USB controllers */ - sc->sc_ncomp = 0; - - /* Allocate a parent dma tag for DMA maps */ - err = bus_dma_tag_create(bus_get_dma_tag(self), 1, 0, - BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, - BUS_SPACE_MAXSIZE_32BIT, USB_DMA_NSEG, BUS_SPACE_MAXSIZE_32BIT, 0, - NULL, NULL, &sc->sc_bus.parent_dmatag); - if (err) { - device_printf(self, "Could not allocate parent DMA tag (%d)\n", - err); - ehci_ixp_detach(self); - return ENXIO; - } - - /* Allocate a dma tag for transfer buffers */ - err = bus_dma_tag_create(sc->sc_bus.parent_dmatag, 1, 0, - BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, - BUS_SPACE_MAXSIZE_32BIT, USB_DMA_NSEG, BUS_SPACE_MAXSIZE_32BIT, 0, - busdma_lock_mutex, &Giant, &sc->sc_bus.buffer_dmatag); - if (err) { - device_printf(self, "Could not allocate buffer DMA tag (%d)\n", - err); - ehci_ixp_detach(self); - return ENXIO; - } - - /* - * Arrange to force Host mode, select big-endian byte alignment, - * and arrange to not terminate reset operations (the adapter - * will ignore it if we do but might as well save a reg write). - * Also, the controller has an embedded Transaction Translator - * which means port speed must be read from the Port Status - * register following a port enable. - */ - sc->sc_flags |= EHCI_SCFLG_TT - | EHCI_SCFLG_SETMODE - | EHCI_SCFLG_BIGEDESC - | EHCI_SCFLG_BIGEMMIO - | EHCI_SCFLG_NORESTERM - ; - (void) ehci_reset(sc); - - err = ehci_init(sc); - if (!err) { - sc->sc_flags |= EHCI_SCFLG_DONEINIT; - err = device_probe_and_attach(sc->sc_bus.bdev); - } - - if (err) { - device_printf(self, "USB init failed err=%d\n", err); - ehci_ixp_detach(self); - return EIO; - } - return 0; -} - -static int -ehci_ixp_detach(device_t self) -{ - struct ixp_ehci_softc *isc = device_get_softc(self); - ehci_softc_t *sc = &isc->base; - int err; - - if (sc->sc_flags & EHCI_SCFLG_DONEINIT) { - ehci_detach(sc, 0); - sc->sc_flags &= ~EHCI_SCFLG_DONEINIT; - } - - /* - * Disable interrupts that might have been switched on in ehci_init() - */ - if (sc->iot && sc->ioh) - bus_space_write_4(sc->iot, sc->ioh, EHCI_USBINTR, 0); - if (sc->sc_bus.parent_dmatag != NULL) - bus_dma_tag_destroy(sc->sc_bus.parent_dmatag); - if (sc->sc_bus.buffer_dmatag != NULL) - bus_dma_tag_destroy(sc->sc_bus.buffer_dmatag); - - if (sc->irq_res && sc->ih) { - err = bus_teardown_intr(self, sc->irq_res, sc->ih); - - if (err) - device_printf(self, "Could not tear down irq, %d\n", - err); - sc->ih = NULL; - } - if (sc->sc_bus.bdev != NULL) { - device_delete_child(self, sc->sc_bus.bdev); - sc->sc_bus.bdev = NULL; - } - if (sc->irq_res != NULL) { - bus_release_resource(self, SYS_RES_IRQ, 0, sc->irq_res); - sc->irq_res = NULL; - } - if (sc->io_res != NULL) { - bus_release_resource(self, SYS_RES_MEMORY, 0, sc->io_res); - sc->io_res = NULL; - } - sc->iot = 0; - sc->ioh = 0; - return 0; -} - -/* - * Bus space accessors for PIO operations. - */ - -static uint8_t -ehci_bs_r_1(void *t, bus_space_handle_t h, bus_size_t o) -{ - return bus_space_read_1((bus_space_tag_t) t, h, - 0x100 + (o &~ 3) + (3 - (o & 3))); -} - -static void -ehci_bs_w_1(void *t, bus_space_handle_t h, bus_size_t o, u_int8_t v) -{ - panic("%s", __func__); -} - -static uint16_t -ehci_bs_r_2(void *t, bus_space_handle_t h, bus_size_t o) -{ - return bus_space_read_2((bus_space_tag_t) t, h, - 0x100 + (o &~ 3) + (2 - (o & 3))); -} - -static void -ehci_bs_w_2(void *t, bus_space_handle_t h, bus_size_t o, uint16_t v) -{ - panic("%s", __func__); -} - -static uint32_t -ehci_bs_r_4(void *t, bus_space_handle_t h, bus_size_t o) -{ - return bus_space_read_4((bus_space_tag_t) t, h, 0x100 + o); -} - -static void -ehci_bs_w_4(void *t, bus_space_handle_t h, bus_size_t o, uint32_t v) -{ - bus_space_write_4((bus_space_tag_t) t, h, 0x100 + o, v); -} - -static device_method_t ehci_methods[] = { - /* Device interface */ - DEVMETHOD(device_probe, ehci_ixp_probe), - DEVMETHOD(device_attach, ehci_ixp_attach), - DEVMETHOD(device_detach, ehci_ixp_detach), - DEVMETHOD(device_suspend, ehci_ixp_suspend), - DEVMETHOD(device_resume, ehci_ixp_resume), - DEVMETHOD(device_shutdown, ehci_ixp_shutdown), - - /* Bus interface */ - DEVMETHOD(bus_print_child, bus_generic_print_child), - - {0, 0} -}; - -static driver_t ehci_driver = { - "ehci", - ehci_methods, - sizeof(struct ixp_ehci_softc), -}; -static devclass_t ehci_devclass; -DRIVER_MODULE(ehci, ixp, ehci_driver, ehci_devclass, 0, 0); |