Linus TorvaldsLinux-2.6.12-rc21da177e21 years agoHistory
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/* * Architecture specific parts of the Floppy driver * * This file is subject to the terms and conditions of the GNU General Public * License.  See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 1995 - 2000 Ralf Baechle */#ifndef _ASM_FLOPPY_H#define _ASM_FLOPPY_H static inline void fd_cacheflush(char * addr, long size){	dma_cache_wback_inv((unsigned long)addr,size);} #define MAX_BUFFER_SECTORS 24  /* * And on Mips's the CMOS info fails also ... * * FIXME: This information should come from the ARC configuration tree *        or whereever a particular machine has stored this ... */#define FLOPPY0_TYPE 		fd_drive_type(0)#define FLOPPY1_TYPE		fd_drive_type(1) #define FDC1			fd_getfdaddr1(); #define N_FDC 1			/* do you *really* want a second controller? */#define N_DRIVE 8 #define FLOPPY_MOTOR_MASK 0xf0 /* * The DMA channel used by the floppy controller cannot access data at * addresses >= 16MB * * Went back to the 1MB limit, as some people had problems with the floppy * driver otherwise. It doesn't matter much for performance anyway, as most * floppy accesses go through the track buffer. * * On MIPSes using vdma, this actually means that *all* transfers go thru * the * track buffer since 0x1000000 is always smaller than KSEG0/1. * Actually this needs to be a bit more complicated since the so much different * hardware available with MIPS CPUs ... */#define CROSS_64KB(a,s) ((unsigned long)(a)/K_64 != ((unsigned long)(a) + (s) - 1) / K_64) #define EXTRA_FLOPPY_PARAMS #include <floppy.h> #endif /* _ASM_FLOPPY_H */