diff options
Diffstat (limited to 'sys/alpha/pci/irongate_pci.c')
| -rw-r--r-- | sys/alpha/pci/irongate_pci.c | 221 |
1 files changed, 0 insertions, 221 deletions
diff --git a/sys/alpha/pci/irongate_pci.c b/sys/alpha/pci/irongate_pci.c deleted file mode 100644 index e3bdf69..0000000 --- a/sys/alpha/pci/irongate_pci.c +++ /dev/null @@ -1,221 +0,0 @@ -/*- - * Copyright (c) 2000 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 <machine/bwx.h> -#include <sys/rman.h> -#include <dev/pci/pcivar.h> -#include <dev/pci/pcireg.h> -#include <alpha/pci/irongatereg.h> -#include <alpha/pci/irongatevar.h> -#include <alpha/pci/pcibus.h> - -#include "alphapci_if.h" -#include "pcib_if.h" - -#define KV(pa) ALPHA_PHYS_TO_K0SEG(pa) - -static devclass_t pcib_devclass; - -static int -irongate_pcib_probe(device_t dev) -{ - - device_set_desc(dev, "AMD 751 PCI host bus adapter"); - - pci_init_resources(); - device_add_child(dev, "pci", 0); - - /* - * XXX -- The SRM console doesn't properly initialize - * the AcerLabs M1533C southbridge. We must turn off 32-bit - * DMA support. - */ - if ((0x153310b9 == PCIB_READ_CONFIG(dev, 0, 7, 0, - PCIR_DEVVENDOR, 4))) { - u_int8_t value = PCIB_READ_CONFIG(dev, 0, 7, 0, 0x42, 1); - value &= ~0x40; - PCIB_WRITE_CONFIG(dev, 0, 7, 0, 0x42, 0, 1); - } - - return 0; -} - -static int -irongate_pcib_read_ivar(device_t dev, device_t child, int which, u_long *result) -{ - switch (which) { - case PCIB_IVAR_BUS: - *result = 0; - return 0; - } - return ENOENT; -} - -static void * -irongate_pcib_cvt_dense(device_t dev, vm_offset_t addr) -{ - addr &= 0xffffffffUL; - return (void *) KV(addr | IRONGATE_MEM); -} - -static void * -irongate_pcib_cvt_bwx(device_t dev, vm_offset_t addr) -{ - addr &= 0xffffffffUL; - return (void *) KV(addr | IRONGATE_MEM); -} - -static int -irongate_pcib_maxslots(device_t dev) -{ - return 31; -} - -static void -irongate_clear_abort(void) -{ - alpha_mb(); - alpha_pal_draina(); -} - -static int -irongate_check_abort(void) -{ - alpha_pal_draina(); - alpha_mb(); - - return 0; -} - -#define IRONGATE_CFGADDR(b, s, f, r) \ - KV(IRONGATE_CONF | ((b) << 16) | ((s) << 11) | ((f) << 8) | (r)) - -#define CFGREAD(b, s, f, r, width, type, op) do { \ - vm_offset_t va; \ - type data; \ - va = IRONGATE_CFGADDR(b, s, f, r); \ - irongate_clear_abort(); \ - if (badaddr((caddr_t)va, width)) { \ - irongate_check_abort(); \ - return ~0; \ - } \ - data = op(va); \ - if (irongate_check_abort()) \ - return ~0; \ - return data; \ -} while (0) - -#define CFGWRITE(b, s, f, r, data, width, op) do { \ - vm_offset_t va; \ - va = IRONGATE_CFGADDR(b, s, f, r); \ - irongate_clear_abort(); \ - if (badaddr((caddr_t)va, width)) \ - return; \ - op(va, data); \ - irongate_check_abort(); \ -} while (0) - -static u_int32_t -irongate_pcib_read_config(device_t dev, u_int b, u_int s, u_int f, - u_int reg, int width) -{ - switch (width) { - case 1: - CFGREAD(b, s, f, reg, 1, u_int8_t, ldbu); - break; - case 2: - CFGREAD(b, s, f, reg, 2, u_int16_t, ldwu); - break; - case 4: - CFGREAD(b, s, f, reg, 4, u_int32_t, ldl); - } - return ~0; -} - -static void -irongate_pcib_write_config(device_t dev, u_int b, u_int s, u_int f, - u_int reg, u_int32_t val, int width) -{ - switch (width) { - case 1: - CFGWRITE(b, s, f, reg, val, 1, stb); - break; - case 2: - CFGWRITE(b, s, f, reg, val, 2, stw); - break; - case 4: - CFGWRITE(b, s, f, reg, val, 4, stl); - } -} - -static device_method_t irongate_pcib_methods[] = { - /* Device interface */ - DEVMETHOD(device_probe, irongate_pcib_probe), - DEVMETHOD(device_attach, bus_generic_attach), - - /* Bus interface */ - DEVMETHOD(bus_print_child, bus_generic_print_child), - DEVMETHOD(bus_read_ivar, irongate_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, bus_generic_setup_intr), - DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), - - /* alphapci interface */ - DEVMETHOD(alphapci_cvt_dense, irongate_pcib_cvt_dense), - DEVMETHOD(alphapci_cvt_bwx, irongate_pcib_cvt_bwx), - - /* pcib interface */ - DEVMETHOD(pcib_maxslots, irongate_pcib_maxslots), - DEVMETHOD(pcib_read_config, irongate_pcib_read_config), - DEVMETHOD(pcib_write_config, irongate_pcib_write_config), - DEVMETHOD(pcib_route_interrupt, alpha_pci_route_interrupt), - - { 0, 0 } -}; - -static driver_t irongate_pcib_driver = { - "pcib", - irongate_pcib_methods, - 1, -}; - -DRIVER_MODULE(pcib, irongate, irongate_pcib_driver, pcib_devclass, 0, 0); - - |
