summaryrefslogtreecommitdiff
path: root/arch/m68k/include/asm/machw.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/m68k/include/asm/machw.h')
-rw-r--r--arch/m68k/include/asm/machw.h49
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 @@
+/*
+** 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
+/*
+** 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 */