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107 lines
3.6 KiB
C
107 lines
3.6 KiB
C
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/*
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* Misc system wide definitions
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*
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* Copyright 2006, Broadcom Corporation
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* All Rights Reserved.
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*
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* THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
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* KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
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* SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
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* $Id: bcmdefs.h,v 1.1.1.3 2006/04/08 06:13:39 honor Exp $
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*/
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#ifndef _bcmdefs_h_
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#define _bcmdefs_h_
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/*
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* One doesn't need to include this file explicitly, gets included automatically if
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* typedefs.h is included.
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*/
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/* Reclaiming text and data :
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* The following macros specify special linker sections that can be reclaimed
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* after a system is considered 'up'.
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*/
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#if defined(__GNUC__) && defined(BCMRECLAIM)
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extern bool bcmreclaimed;
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#define BCMINITDATA(_data) __attribute__ ((__section__ (".dataini." #_data))) _data
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#define BCMINITFN(_fn) __attribute__ ((__section__ (".textini." #_fn))) _fn
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#else /* #if defined(__GNUC__) && defined(BCMRECLAIM) */
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#define BCMINITDATA(_data) _data
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#define BCMINITFN(_fn) _fn
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#define bcmreclaimed 0
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#endif /* #if defined(__GNUC__) && defined(BCMRECLAIM) */
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/* Reclaim uninit functions if BCMNODOWN is defined */
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/* and if they are not already removed by -gc-sections */
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#ifdef BCMNODOWN
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#define BCMUNINITFN(_fn) BCMINITFN(_fn)
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#else
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#define BCMUNINITFN(_fn) _fn
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#endif
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#ifdef BCMRECLAIM
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#define CONST
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#else
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#define CONST const
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#endif /* BCMRECLAIM */
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/* Compatibility with old-style BCMRECLAIM */
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#define BCMINIT(_id) _id
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/* Put some library data/code into ROM to reduce RAM requirements */
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#if defined(__GNUC__) && defined(BCMROMOFFLOAD)
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#define BCMROMDATA(_data) __attribute__ ((__section__ (".datarom." #_data))) _data
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#define BCMROMFN(_fn) __attribute__ ((__section__ (".textrom." #_fn))) _fn
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#else
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#define BCMROMDATA(_data) _data
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#define BCMROMFN(_fn) _fn
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#endif
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/* Bus types */
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#define SB_BUS 0 /* Silicon Backplane */
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#define PCI_BUS 1 /* PCI target */
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#define PCMCIA_BUS 2 /* PCMCIA target */
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#define SDIO_BUS 3 /* SDIO target */
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#define JTAG_BUS 4 /* JTAG */
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#define NO_BUS 0xFF /* Bus that does not support R/W REG */
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/* Allows optimization for single-bus support */
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#ifdef BCMBUSTYPE
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#define BUSTYPE(bus) (BCMBUSTYPE)
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#else
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#define BUSTYPE(bus) (bus)
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#endif
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/* Defines for DMA Address Width - Shared between OSL and HNDDMA */
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#define DMADDR_MASK_32 0x0 /* Address mask for 32-bits */
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#define DMADDR_MASK_30 0xc0000000 /* Address mask for 30-bits */
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#define DMADDR_MASK_0 0xffffffff /* Address mask for 0-bits (hi-part) */
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#define DMADDRWIDTH_30 30 /* 30-bit addressing capability */
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#define DMADDRWIDTH_32 32 /* 32-bit addressing capability */
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#define DMADDRWIDTH_63 63 /* 64-bit addressing capability */
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#define DMADDRWIDTH_64 64 /* 64-bit addressing capability */
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/* packet headroom necessary to accomodate the largest header in the system, (i.e TXOFF).
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* By doing, we avoid the need to allocate an extra buffer for the header when bridging to WL.
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* There is a compile time check in wlc.c which ensure that this value is at least as big
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* as TXOFF. This value is used in dma_rxfill (hnddma.c).
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*/
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#define BCMEXTRAHDROOM 160
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/* Headroom required for dongle-to-host communication. Packets allocated
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* locally in the dongle (e.g. for CDC ioctls or RNDIS messages) should
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* leave this much room in front for low-level message headers which may
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* be needed to get across the dongle bus to the host. (These messages
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* don't go over the network, so room for the full WL header above would
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* be a waste.)
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*/
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#define BCMDONGLEHDRSZ 8
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#endif /* _bcmdefs_h_ */
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