/* * 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_ */