diff options
Diffstat (limited to 'sys/alpha/tlsb/tlsb.c')
| -rw-r--r-- | sys/alpha/tlsb/tlsb.c | 323 |
1 files changed, 0 insertions, 323 deletions
diff --git a/sys/alpha/tlsb/tlsb.c b/sys/alpha/tlsb/tlsb.c deleted file mode 100644 index 34b6686b3a7b..000000000000 --- a/sys/alpha/tlsb/tlsb.c +++ /dev/null @@ -1,323 +0,0 @@ -/*- - * Copyright (c) 1997, 2000 by Matthew Jacob - * NASA AMES Research Center. - * All rights reserved. - * - * Based in part upon a prototype version by Jason Thorpe - * Copyright (c) 1996 by Jason Thorpe. - * - * 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 immediately at the beginning of the file, without modification, - * 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 AND CONTRIBUTORS ``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 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. - */ - -/* - * Autoconfiguration and support routines for the TurboLaser System Bus - * found on AlphaServer 8200 and 8400 systems. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/kernel.h> -#include <sys/module.h> -#include <sys/bus.h> -#include <sys/malloc.h> - -#include <machine/cpuconf.h> -#include <machine/md_var.h> -#include <machine/rpb.h> - -#include <alpha/tlsb/tlsbreg.h> -#include <alpha/tlsb/tlsbvar.h> - -struct tlsb_device *tlsb_primary_cpu = NULL; - -#define KV(_addr) ((caddr_t)ALPHA_PHYS_TO_K0SEG((_addr))) - -struct tlsb_softc { - driver_intr_t * zsc_intr; - void * zsc_arg; - driver_intr_t * sub_intr; - device_t tlsb_dev; - int tlsb_map; -}; - -static void tlsb_add_child(struct tlsb_softc *, struct tlsb_device *); -static char *tlsb_node_type_str(u_int32_t); -static void tlsb_intr(void *, u_long); - -static struct tlsb_softc * tlsb0_softc = NULL; -static devclass_t tlsb_devclass; - -/* - * Device methods - */ -static int tlsb_probe(device_t); -static int tlsb_print_child(device_t, device_t); -static int tlsb_read_ivar(device_t, device_t, int, u_long *); -static int tlsb_setup_intr(device_t, device_t, struct resource *, int, - driver_intr_t *, void *, void **); -static int -tlsb_teardown_intr(device_t, device_t, struct resource *, void *); - -static device_method_t tlsb_methods[] = { - /* Device interface */ - DEVMETHOD(device_probe, tlsb_probe), - DEVMETHOD(device_attach, bus_generic_attach), - DEVMETHOD(device_detach, bus_generic_detach), - DEVMETHOD(device_shutdown, bus_generic_shutdown), - - /* Bus interface */ - DEVMETHOD(bus_print_child, tlsb_print_child), - DEVMETHOD(bus_read_ivar, tlsb_read_ivar), - DEVMETHOD(bus_write_ivar, bus_generic_write_ivar), - DEVMETHOD(bus_setup_intr, tlsb_setup_intr), - DEVMETHOD(bus_teardown_intr, tlsb_teardown_intr), - - { 0, 0 } -}; - -static driver_t tlsb_driver = { - "tlsb", tlsb_methods, sizeof (struct tlsb_softc), -}; - -/* - * At 'probe' time, we add all the devices which we know about to the - * bus. The generic attach routine will probe and attach them if they - * are alive. - */ -static int -tlsb_probe(device_t dev) -{ - struct tlsb_softc *sc = device_get_softc(dev); - struct tlsb_device *tdev; - u_int32_t tldev; - int node; - - device_set_desc(dev, "TurboLaser Backplane Bus"); - - sc->tlsb_dev = dev; - tlsb0_softc = sc; - set_iointr(tlsb_intr); - - /* - * Attempt to find all devices on the bus, including - * CPUs, memory modules, and I/O modules. - */ - - for (node = 0; node <= TLSB_NODE_MAX; ++node) { - /* - * Check for invalid address. - */ - if (badaddr(TLSB_NODE_REG_ADDR(node, TLDEV), sizeof(u_int32_t))) - continue; - tldev = TLSB_GET_NODEREG(node, TLDEV); - if (tldev == 0) { - /* Nothing at this node. */ - continue; - } - tdev = (struct tlsb_device *) - malloc(sizeof (struct tlsb_device), M_DEVBUF, M_NOWAIT); - - if (!tdev) { - printf("tlsb_probe: unable to malloc softc\n"); - continue; - } - - sc->tlsb_map |= (1 << node); - tdev->td_node = node; - tdev->td_tldev = tldev; - tlsb_add_child(sc, tdev); - } - return (0); -} - -static int -tlsb_print_child(device_t dev, device_t child) -{ - struct tlsb_device* tdev = DEVTOTLSB(child); - int retval = 0; - - retval += bus_print_child_header(dev, child); - retval += printf(" at %s node %d\n", - device_get_nameunit(dev), tdev->td_node); - return (retval); -} - -static int -tlsb_read_ivar(device_t dev, device_t child, int index, u_long *result) -{ - struct tlsb_device *tdev = DEVTOTLSB(child); - - switch (index) { - case TLSB_IVAR_NODE: - *result = tdev->td_node; - break; - - case TLSB_IVAR_DTYPE: - *result = TLDEV_DTYPE(tdev->td_tldev); - break; - - case TLSB_IVAR_SWREV: - *result = TLDEV_SWREV(tdev->td_tldev); - break; - - case TLSB_IVAR_HWREV: - *result = TLDEV_HWREV(tdev->td_tldev); - break; - } - return (ENOENT); -} - -static int -tlsb_setup_intr(device_t dev, device_t child, struct resource *i, int f, - driver_intr_t *intr, void *arg, void **c) -{ - if (strncmp(device_get_name(child), "zsc", 3) == 0) { - if (tlsb0_softc->zsc_intr) - return (EBUSY); - tlsb0_softc->zsc_intr = intr; - tlsb0_softc->zsc_arg = arg; - return (0); - } else if (strncmp(device_get_name(device_get_parent(child)), "kft", 3) - == 0) { - if (tlsb0_softc->sub_intr == NULL) - tlsb0_softc->sub_intr = intr; - return (0); - } else { - return (ENXIO); - } -} - -static int -tlsb_teardown_intr(device_t dev, device_t child, struct resource *i, void *c) -{ - if (strncmp(device_get_name(child), "zsc", 3) == 0) { - tlsb0_softc->zsc_intr = NULL; - return (0); - } else if (strncmp(device_get_name(device_get_parent(child)), "kft", 3) - == 0) { - tlsb0_softc->sub_intr = NULL; - return (0); - } else { - return (ENXIO); - } -} - -static void -tlsb_intr(void *frame, u_long vector) -{ - if (vector && tlsb0_softc->sub_intr) - (*tlsb0_softc->sub_intr)((void *)vector); -} - -static void -tlsb_add_child(struct tlsb_softc *tlsb, struct tlsb_device *tdev) -{ - static int kftproto, memproto, cpuproto; - u_int32_t dtype = tdev->td_tldev & TLDEV_DTYPE_MASK; - int i, unit, ordr, units = 1; - char *dn; - device_t cd; - - /* - * We want CPU and Memory boards to configure first, and we want the - * I/O boards to configure in reverse slot number order. This is - * further complicated by the possibility of dual CPU nodes. - */ - ordr = tdev->td_node << 1; - - switch (dtype) { - case TLDEV_DTYPE_KFTHA: - case TLDEV_DTYPE_KFTIA: - ordr = 16 + (TLSB_NODE_MAX - tdev->td_node); - dn = "kft"; - unit = kftproto++; - break; - case TLDEV_DTYPE_MS7CC: - dn = "tlsbmem"; - unit = memproto++; - break; - case TLDEV_DTYPE_SCPU4: - case TLDEV_DTYPE_SCPU16: - dn = "tlsbcpu"; - unit = cpuproto++; - break; - case TLDEV_DTYPE_DCPU4: - case TLDEV_DTYPE_DCPU16: - units = 2; - dn = "tlsbcpu"; - unit = cpuproto; - cpuproto += 2; - break; - default: - printf("tlsb_add_child: unknown TLSB node type 0x%x\n", dtype); - return; - } - - for (i = 0; i < units; i++, unit++) { - cd = device_add_child_ordered(tlsb->tlsb_dev, ordr, dn, unit); - if (cd == NULL) { - return; - } - device_set_ivars(cd, tdev); - device_set_desc(cd, tlsb_node_type_str(dtype)); - } -} - -static char * -tlsb_node_type_str(u_int32_t dtype) -{ - static char tmp[64]; - - switch (dtype & TLDEV_DTYPE_MASK) { - case TLDEV_DTYPE_KFTHA: - return ("KFTHA I/O interface"); - - case TLDEV_DTYPE_KFTIA: - return ("KFTIA I/O interface"); - - case TLDEV_DTYPE_MS7CC: - return ("MS7CC Memory Module"); - - case TLDEV_DTYPE_SCPU4: - return ("Single CPU, 4MB cache"); - - case TLDEV_DTYPE_SCPU16: - return ("Single CPU, 16MB cache"); - - case TLDEV_DTYPE_DCPU4: - return ("Dual CPU, 4MB cache"); - - case TLDEV_DTYPE_DCPU16: - return ("Dual CPU, 16MB cache"); - - default: - bzero(tmp, sizeof(tmp)); - snprintf(tmp, sizeof(tmp), "unknown, type 0x%x", dtype); - return (tmp); - } - /* NOTREACHED */ -} -DRIVER_MODULE(tlsb, root, tlsb_driver, tlsb_devclass, 0, 0); |