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Diffstat (limited to 'bsps/powerpc/beatnik/net/if_gfe/gtvar.h')
| -rw-r--r-- | bsps/powerpc/beatnik/net/if_gfe/gtvar.h | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/bsps/powerpc/beatnik/net/if_gfe/gtvar.h b/bsps/powerpc/beatnik/net/if_gfe/gtvar.h new file mode 100644 index 0000000000..00d72bfa3a --- /dev/null +++ b/bsps/powerpc/beatnik/net/if_gfe/gtvar.h @@ -0,0 +1,170 @@ +/* $NetBSD: gtvar.h,v 1.7.4.1 2005/04/29 11:28:56 kent Exp $ */ + +/* + * Copyright (c) 2002 Allegro Networks, Inc., Wasabi Systems, Inc. + * 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed for the NetBSD Project by + * Allegro Networks, Inc., and Wasabi Systems, Inc. + * 4. The name of Allegro Networks, Inc. may not be used to endorse + * or promote products derived from this software without specific prior + * written permission. + * 5. The name of Wasabi Systems, Inc. may not be used to endorse + * or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY ALLEGRO NETWORKS, INC. AND + * WASABI SYSTEMS, INC. ``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 EITHER ALLEGRO NETWORKS, INC. OR WASABI SYSTEMS, INC. + * 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. + */ + +/* + * gtvar.h -- placeholder for GT system controller driver + */ +#ifndef _DISCOVERY_DEV_GTVAR_H_ +#define _DISCOVERY_DEV_GTVAR_H_ + +#include <sys/systm.h> + +struct gt_softc { +#ifndef __rtems__ + struct device gt_dev; + bus_dma_tag_t gt_dmat; + bus_space_tag_t gt_memt; /* the GT itself */ + bus_space_tag_t gt_pci0_memt; /* PCI0 mem space */ + bus_space_tag_t gt_pci0_iot; /* PCI0 i/o space */ + boolean_t gt_pci0_host; /* We're host on PCI0 if TRUE */ + bus_space_tag_t gt_pci1_memt; /* PCI1 mem space */ + bus_space_tag_t gt_pci1_iot; /* PCI1 i/o space */ + boolean_t gt_pci1_host; /* We're host on PCI1 if TRUE */ + + bus_space_handle_t gt_memh; /* to access the GT registers */ +#else + unsigned gt_memh; +#endif + int gt_childmask; /* what children are present */ +}; + +#define GT_CHILDOK(gt, ga, cd, pos, max) \ + (((ga)->ga_unit) < (max) && \ + !((gt)->gt_childmask & (1 << (((ga)->ga_unit) + (pos)))) && \ + !strcmp((ga)->ga_name, (cd)->cd_name)) + +#define GT_MPSCOK(gt, ga, cd) GT_CHILDOK((gt), (ga), (cd), 0, 2) +#define GT_PCIOK(gt, ga, cd) GT_CHILDOK((gt), (ga), (cd), 2, 2) +#define GT_ETHEROK(gt, ga, cd) GT_CHILDOK((gt), (ga), (cd), 4, 3) +#define GT_OBIOOK(gt, ga, cd) GT_CHILDOK((gt), (ga), (cd), 7, 5) +#define GT_I2COK(gt, ga, cd) GT_CHILDOK((gt), (ga), (cd), 12, 1) + +#define GT_CHILDFOUND(gt, ga, pos) \ + ((void)(((gt)->gt_childmask |= (1 << (((ga)->ga_unit) + (pos)))))) + +#define GT_MPSCFOUND(gt, ga) GT_CHILDFOUND((gt), (ga), 0) +#define GT_PCIFOUND(gt, ga) GT_CHILDFOUND((gt), (ga), 2) +#define GT_ETHERFOUND(gt, ga) GT_CHILDFOUND((gt), (ga), 4) +#define GT_OBIOFOUND(gt, ga) GT_CHILDFOUND((gt), (ga), 7) +#define GT_I2CFOUND(gt, ga) GT_CHILDFOUND((gt), (ga), 12) + +#ifndef __rtems__ +struct gt_attach_args { + const char *ga_name; /* class name of device */ + bus_dma_tag_t ga_dmat; /* dma tag */ + bus_space_tag_t ga_memt; /* GT bus space tag */ + bus_space_handle_t ga_memh; /* GT bus space handle */ + int ga_unit; /* instance of ga_name */ +}; + +struct obio_attach_args { + const char *oa_name; /* call name of device */ + bus_space_tag_t oa_memt; /* bus space tag */ + bus_addr_t oa_offset; /* offset (absolute) to device */ + bus_size_t oa_size; /* size (strided) of device */ + int oa_irq; /* irq */ +}; +#endif + +#ifdef _KERNEL +#ifndef __rtems__ +#include "locators.h" +#endif + +#ifdef DEBUG +extern int gtpci_debug; +#endif + +/* + * Locators for GT private devices, as specified to config. + */ +#define GT_UNK_UNIT GTCF_UNIT_DEFAULT /* wcarded 'function' */ + +#define OBIO_UNK_OFFSET OBIOCF_OFFSET_DEFAULT /* wcarded 'offset' */ + +#define OBIO_UNK_SIZE OBIOCF_SIZE_DEFAULT /* wcarded 'size' */ + +#define OBIO_UNK_IRQ OBIOCF_IRQ_DEFAULT /* wcarded 'irq' */ + +void gt_attach_common(struct gt_softc *); +uint32_t gt_read_mpp(void); +int gt_cfprint(void *, const char *); + +#ifndef __rtems__ +/* int gt_bs_extent_init(struct discovery_bus_space *, char *); AKB */ +int gt_mii_read(struct device *, struct device *, int, int); +void gt_mii_write(struct device *, struct device *, int, int, int); +int gtget_macaddr(struct gt_softc *,int, char *); + +void gt_watchdog_service(void); +bus_addr_t gt_dma_phys_to_bus_mem(bus_dma_tag_t, bus_addr_t); +bus_addr_t gt_dma_bus_mem_to_phys(bus_dma_tag_t, bus_addr_t); + +#define gt_read(gt,o) \ + bus_space_read_4((gt)->gt_memt, (gt)->gt_memh, (o)) +#define gt_write(gt,o,v) \ + bus_space_write_4((gt)->gt_memt, (gt)->gt_memh, (o), (v)) +#else +#endif + +#if defined(__powerpc__) +static __inline volatile int +atomic_add(volatile int *p, int v) +{ + int rv; + int rtmp; + + __asm __volatile( + "1: lwarx %0,0,%3\n" + " add %1,%4,%0\n" + " stwcx. %1,0,%3\n" + " bne- 1b\n" + " sync" + : "=&r"(rv), "=&r"(rtmp), "=m"(*p) + : "r"(p), "r"(v), "m"(*p) + : "cc"); + + return rv; +} + +#endif /* __powerpc__ */ + +#endif /* _KERNEL */ + +#endif /* _DISCOVERY_DEV_GTVAR_H_ */ |