diff options
Diffstat (limited to 'arch/m68k/include/asm/machw.h')
-rw-r--r-- | arch/m68k/include/asm/machw.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/machw.h b/arch/m68k/include/asm/machw.h new file mode 100644 index 00000000000..2b4de0c2ce4 --- /dev/null +++ b/arch/m68k/include/asm/machw.h | |||
@@ -0,0 +1,49 @@ | |||
1 | /* | ||
2 | ** linux/machw.h -- This header defines some macros and pointers for | ||
3 | ** the various Macintosh custom hardware registers. | ||
4 | ** | ||
5 | ** Copyright 1997 by Michael Schmitz | ||
6 | ** | ||
7 | ** This file is subject to the terms and conditions of the GNU General Public | ||
8 | ** License. See the file COPYING in the main directory of this archive | ||
9 | ** for more details. | ||
10 | ** | ||
11 | */ | ||
12 | |||
13 | #ifndef _ASM_MACHW_H_ | ||
14 | #define _ASM_MACHW_H_ | ||
15 | |||
16 | /* | ||
17 | * head.S maps the videomem to VIDEOMEMBASE | ||
18 | */ | ||
19 | |||
20 | #define VIDEOMEMBASE 0xf0000000 | ||
21 | #define VIDEOMEMSIZE (4096*1024) | ||
22 | #define VIDEOMEMMASK (-4096*1024) | ||
23 | |||
24 | #ifndef __ASSEMBLY__ | ||
25 | |||
26 | #include <linux/types.h> | ||
27 | |||
28 | #if 0 | ||
29 | /* | ||
30 | ** SCC Z8530 | ||
31 | */ | ||
32 | |||
33 | #define MAC_SCC_BAS (0x50F04000) | ||
34 | struct MAC_SCC | ||
35 | { | ||
36 | u_char cha_a_ctrl; | ||
37 | u_char char_dummy1; | ||
38 | u_char cha_a_data; | ||
39 | u_char char_dummy2; | ||
40 | u_char cha_b_ctrl; | ||
41 | u_char char_dummy3; | ||
42 | u_char cha_b_data; | ||
43 | }; | ||
44 | # define mac_scc ((*(volatile struct SCC*)MAC_SCC_BAS)) | ||
45 | #endif | ||
46 | |||
47 | #endif /* __ASSEMBLY__ */ | ||
48 | |||
49 | #endif /* linux/machw.h */ | ||