/* ** linux/machw.h -- This header defines some macros and pointers for ** the various Macintosh custom hardware registers. ** ** Copyright 1997 by Michael Schmitz ** ** 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. ** */ #ifndef _ASM_MACHW_H_ #define _ASM_MACHW_H_ /* * head.S maps the videomem to VIDEOMEMBASE */ #define VIDEOMEMBASE 0xf0000000 #define VIDEOMEMSIZE (4096*1024) #define VIDEOMEMMASK (-4096*1024) #ifndef __ASSEMBLY__ #include <linux/types.h> #if 0 /* Mac SCSI Controller 5380 */ #define MAC_5380_BAS (0x50F10000) /* This is definitely wrong!! */ struct MAC_5380 { u_char scsi_data; u_char char_dummy1; u_char scsi_icr; u_char char_dummy2; u_char scsi_mode; u_char char_dummy3; u_char scsi_tcr; u_char char_dummy4; u_char scsi_idstat; u_char char_dummy5; u_char scsi_dmastat; u_char char_dummy6; u_char scsi_targrcv; u_char char_dummy7; u_char scsi_inircv; }; #define mac_scsi ((*(volatile struct MAC_5380 *)MAC_5380_BAS)) /* ** SCC Z8530 */ #define MAC_SCC_BAS (0x50F04000) struct MAC_SCC { u_char cha_a_ctrl; u_char char_dummy1; u_char cha_a_data; u_char char_dummy2; u_char cha_b_ctrl; u_char char_dummy3; u_char cha_b_data; }; # define mac_scc ((*(volatile struct SCC*)MAC_SCC_BAS)) #endif #endif /* __ASSEMBLY__ */ #endif /* linux/machw.h */