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