diff options
Diffstat (limited to 'sys/alpha/pci/tsunami_pci.c')
| -rw-r--r-- | sys/alpha/pci/tsunami_pci.c | 296 |
1 files changed, 0 insertions, 296 deletions
diff --git a/sys/alpha/pci/tsunami_pci.c b/sys/alpha/pci/tsunami_pci.c deleted file mode 100644 index 9b5853c01a62..000000000000 --- a/sys/alpha/pci/tsunami_pci.c +++ /dev/null @@ -1,296 +0,0 @@ -/*- - * Copyright (c) 1999 Andrew Gallatin - * 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 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. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/kernel.h> -#include <sys/module.h> -#include <sys/malloc.h> -#include <sys/bus.h> -#include <machine/bus.h> -#include <machine/md_var.h> -#include <sys/rman.h> -#include <dev/pci/pcivar.h> -#include <alpha/pci/tsunamireg.h> -#include <alpha/pci/tsunamivar.h> -#include <alpha/pci/pcibus.h> -#include <machine/resource.h> -#include <machine/bwx.h> - -#include "alphapci_if.h" -#include "pcib_if.h" - -struct tsunami_hose_softc { - struct bwx_space io; /* accessor for ports */ - struct bwx_space mem; /* accessor for memory */ - struct rman io_rman; /* resource manager for ports */ - struct rman mem_rman; /* resource manager for memory */ -}; - -static devclass_t pcib_devclass; - - -static int -tsunami_pcib_probe(device_t dev) -{ - struct tsunami_hose_softc *sc = device_get_softc(dev); - device_t child; - - device_set_desc(dev, "21271 PCI host bus adapter"); - - pci_init_resources(); /* XXX probably don't need */ - child = device_add_child(dev, "pci", -1); - - bwx_init_space(&sc->io, KV(TSUNAMI_IO(device_get_unit(dev)))); - bwx_init_space(&sc->mem, KV(TSUNAMI_MEM(device_get_unit(dev)))); - - sc->io_rman.rm_start = 0; - sc->io_rman.rm_end = ~0u; - sc->io_rman.rm_type = RMAN_ARRAY; - sc->io_rman.rm_descr = "I/O ports"; - if (rman_init(&sc->io_rman) - || rman_manage_region(&sc->io_rman, 0x0, (1L << 32))) - panic("tsunami_pcib_probe: io_rman"); - - sc->mem_rman.rm_start = 0; - sc->mem_rman.rm_end = ~0u; - sc->mem_rman.rm_type = RMAN_ARRAY; - sc->mem_rman.rm_descr = "I/O memory"; - if (rman_init(&sc->mem_rman) - || rman_manage_region(&sc->mem_rman, 0x0, (1L << 32))) - panic("tsunami_pcib_probe: mem_rman"); - - /* - * Replace the temporary bootstrap spaces with real onys. This - * isn't stictly necessary but it keeps things tidy. - */ - if (device_get_unit(dev) == 0) { - busspace_isa_io = (struct alpha_busspace *) &sc->io; - busspace_isa_mem = (struct alpha_busspace *) &sc->mem; - } - - return 0; -} - -static int -tsunami_pcib_read_ivar(device_t dev, device_t child, int which, u_long *result) -{ - if (which == PCIB_IVAR_BUS) { - *result = 0; - } - return ENOENT; -} - -static void * -tsunami_pcib_cvt_dense(device_t dev, vm_offset_t addr) -{ - int h = device_get_unit(dev); - addr &= 0xffffffffUL; - return (void *) KV(addr | TSUNAMI_MEM(h)); -} - -static void * -tsunami_pcib_cvt_bwx(device_t dev, vm_offset_t addr) -{ - int h = device_get_unit(dev); - addr &= 0xffffffffUL; - return (void *) KV(addr | TSUNAMI_MEM(h)); -} - -static kobj_t -tsunami_pcib_get_bustag(device_t dev, int type) -{ - struct tsunami_hose_softc *sc = device_get_softc(dev); - - switch (type) { - case SYS_RES_IOPORT: - return (kobj_t) &sc->io; - - case SYS_RES_MEMORY: - return (kobj_t) &sc->mem; - } - - return 0; -} - -static struct rman * -tsunami_pcib_get_rman(device_t dev, int type) -{ - struct tsunami_hose_softc *sc = device_get_softc(dev); - - switch (type) { - case SYS_RES_IOPORT: - return &sc->io_rman; - - case SYS_RES_MEMORY: - return &sc->mem_rman; - } - - return 0; -} - -static int -tsunami_pcib_maxslots(device_t dev) -{ - return 31; -} - -static void -tsunami_clear_abort(void) -{ - alpha_mb(); - alpha_pal_draina(); -} - -static int -tsunami_check_abort(void) -{ -/* u_int32_t errbits;*/ - int ba = 0; - - alpha_pal_draina(); - alpha_mb(); -#if 0 - errbits = REGVAL(TSUNAMI_CSR_TSUNAMI_ERR); - if (errbits & (TSUNAMI_ERR_RCVD_MAS_ABT|TSUNAMI_ERR_RCVD_TAR_ABT)) - ba = 1; - - if (errbits) { - REGVAL(TSUNAMI_CSR_TSUNAMI_ERR) = errbits; - alpha_mb(); - alpha_pal_draina(); - } -#endif - return ba; -} - -#define TSUNAMI_CFGADDR(b, s, f, r, h) \ - KV(TSUNAMI_CONF(h) | ((b) << 16) | ((s) << 11) | ((f) << 8) | (r)) - -#define CFGREAD(h, b, s, f, r, op, width, type) do { \ - vm_offset_t va; \ - type data; \ - va = TSUNAMI_CFGADDR(b, s, f, r, h); \ - tsunami_clear_abort(); \ - if (badaddr((caddr_t)va, width)) { \ - tsunami_check_abort(); \ - return ~0; \ - } \ - data = op(va); \ - if (tsunami_check_abort()) \ - return ~0; \ - return data; \ -} while (0) - -#define CFGWRITE(h, b, s, f, r, data, op, width) do { \ - vm_offset_t va; \ - va = TSUNAMI_CFGADDR(b, s, f, r, h); \ - tsunami_clear_abort(); \ - if (badaddr((caddr_t)va, width)) \ - return; \ - op(va, data); \ - tsunami_check_abort(); \ -} while (0) - -static u_int32_t -tsunami_pcib_read_config(device_t dev, u_int b, u_int s, u_int f, - u_int reg, int width) -{ - int h = device_get_unit(dev); - switch (width) { - case 1: - CFGREAD(h, b, s, f, reg, ldbu, 1, u_int8_t); - break; - case 2: - CFGREAD(h, b, s, f, reg, ldwu, 2, u_int16_t); - break; - case 4: - CFGREAD(h, b, s, f, reg, ldl, 4, u_int32_t); - } - return ~0; -} - -static void -tsunami_pcib_write_config(device_t dev, u_int b, u_int s, u_int f, - u_int reg, u_int32_t val, int width) -{ - int h = device_get_unit(dev); - switch (width) { - case 1: - CFGWRITE(h, b, s, f, reg, val, stb, 1); - break; - case 2: - CFGWRITE(h, b, s, f, reg, val, stw, 2); - break; - case 4: - CFGWRITE(h, b, s, f, reg, val, stl, 4); - } -} - -static device_method_t tsunami_pcib_methods[] = { - /* Device interface */ - DEVMETHOD(device_probe, tsunami_pcib_probe), - DEVMETHOD(device_attach, bus_generic_attach), - - /* Bus interface */ - DEVMETHOD(bus_print_child, bus_generic_print_child), - DEVMETHOD(bus_read_ivar, tsunami_pcib_read_ivar), - DEVMETHOD(bus_alloc_resource, alpha_pci_alloc_resource), - DEVMETHOD(bus_release_resource, pci_release_resource), - DEVMETHOD(bus_activate_resource, pci_activate_resource), - DEVMETHOD(bus_deactivate_resource, pci_deactivate_resource), - DEVMETHOD(bus_setup_intr, alpha_platform_pci_setup_intr), - DEVMETHOD(bus_teardown_intr, alpha_platform_pci_teardown_intr), - - /* alphapci interface */ - DEVMETHOD(alphapci_cvt_dense, tsunami_pcib_cvt_dense), - DEVMETHOD(alphapci_cvt_bwx, tsunami_pcib_cvt_bwx), - DEVMETHOD(alphapci_get_bustag, tsunami_pcib_get_bustag), - DEVMETHOD(alphapci_get_rman, tsunami_pcib_get_rman), - - /* pcib interface */ - DEVMETHOD(pcib_maxslots, tsunami_pcib_maxslots), - DEVMETHOD(pcib_read_config, tsunami_pcib_read_config), - DEVMETHOD(pcib_write_config, tsunami_pcib_write_config), - DEVMETHOD(pcib_route_interrupt, alpha_pci_route_interrupt), - - { 0, 0 } -}; - - -static driver_t tsunami_pcib_driver = { - "pcib", - tsunami_pcib_methods, - sizeof(struct tsunami_hose_softc), -}; - - -DRIVER_MODULE(pcib, tsunami, tsunami_pcib_driver, pcib_devclass, 0, 0); - - |