| apb.c (88701) | apb.c (93067) |
|---|---|
| 1/*- 2 * Copyright (c) 1994,1995 Stefan Esser, Wolfgang StanglMeier 3 * Copyright (c) 2000 Michael Smith <msmith@freebsd.org> 4 * Copyright (c) 2000 BSDi 5 * Copyright (c) 2001 Thomas Moestl <tmm@FreeBSD.org> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 16 unchanged lines hidden (view full) --- 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * from: FreeBSD: src/sys/dev/pci/pci_pci.c,v 1.3 2000/12/13 32 * | 1/*- 2 * Copyright (c) 1994,1995 Stefan Esser, Wolfgang StanglMeier 3 * Copyright (c) 2000 Michael Smith <msmith@freebsd.org> 4 * Copyright (c) 2000 BSDi 5 * Copyright (c) 2001 Thomas Moestl <tmm@FreeBSD.org> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 16 unchanged lines hidden (view full) --- 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * from: FreeBSD: src/sys/dev/pci/pci_pci.c,v 1.3 2000/12/13 32 * |
| 33 * $FreeBSD: head/sys/sparc64/pci/apb.c 88701 2001-12-30 16:14:33Z tmm $ | 33 * $FreeBSD: head/sys/sparc64/pci/apb.c 93067 2002-03-24 02:11:06Z tmm $ |
| 34 */ 35 36/* 37 * Support for the Sun APB (Advanced PCI Bridge) PCI-PCI bridge. 38 * This bridge does not fully comply to the PCI bridge specification, and is 39 * therefore not supported by the generic driver. 40 * We can use some pf the pcib methods anyway. 41 */ 42 43#include <sys/param.h> 44#include <sys/systm.h> 45#include <sys/kernel.h> 46#include <sys/malloc.h> 47#include <sys/bus.h> 48 | 34 */ 35 36/* 37 * Support for the Sun APB (Advanced PCI Bridge) PCI-PCI bridge. 38 * This bridge does not fully comply to the PCI bridge specification, and is 39 * therefore not supported by the generic driver. 40 * We can use some pf the pcib methods anyway. 41 */ 42 43#include <sys/param.h> 44#include <sys/systm.h> 45#include <sys/kernel.h> 46#include <sys/malloc.h> 47#include <sys/bus.h> 48 |
| 49#include <dev/ofw/openfirm.h> 50#include <dev/ofw/ofw_pci.h> 51 |
|
| 49#include <machine/resource.h> 50 | 52#include <machine/resource.h> 53 |
| 54#include <sparc64/pci/ofw_pci.h> 55 |
|
| 51#include <pci/pcivar.h> 52#include <pci/pcireg.h> 53 54#include "pcib_if.h" 55 56/* 57 * Bridge-specific data. 58 */ --- 279 unchanged lines hidden (view full) --- 338 int width) 339{ 340 341 PCIB_WRITE_CONFIG(device_get_parent(device_get_parent(dev)), b, s, f, reg, 342 val, width); 343} 344 345/* | 56#include <pci/pcivar.h> 57#include <pci/pcireg.h> 58 59#include "pcib_if.h" 60 61/* 62 * Bridge-specific data. 63 */ --- 279 unchanged lines hidden (view full) --- 343 int width) 344{ 345 346 PCIB_WRITE_CONFIG(device_get_parent(device_get_parent(dev)), b, s, f, reg, 347 val, width); 348} 349 350/* |
| 346 * Route an interrupt across a PCI bridge - the APB does not route interrupts, 347 * and routing of interrupts that are not preinitialized is not supported yet. | 351 * Route an interrupt across a PCI bridge - we need to rely on the firmware 352 * here. |
| 348 */ 349static int 350apb_route_interrupt(device_t pcib, device_t dev, int pin) 351{ 352 | 353 */ 354static int 355apb_route_interrupt(device_t pcib, device_t dev, int pin) 356{ 357 |
| 353 panic("apb_route_interrupt"); | 358 /* 359 * XXX: ugly loathsome hack: 360 * We can't use ofw_pci_route_intr() here; the device passed may be 361 * the one of a bridge, so the original device can't be recovered. 362 * 363 * We need to use the firmware to route interrupts, however it has 364 * no interface which could be used to interpret intpins; instead, 365 * all assignments are done by device. 366 * 367 * The MI pci code will try to reroute interrupts of 0, although they 368 * are correct; all other interrupts are preinitialized, so if we 369 * get here, the intline is either 0 (so return 0), or we hit a 370 * device which was not preinitialized (e.g. hotplugged stuff), in 371 * which case we are lost. 372 */ 373 return (0); |
| 354} | 374} |