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Diffstat (limited to 'include/asm-m68k/amigayle.h')
-rw-r--r-- | include/asm-m68k/amigayle.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/include/asm-m68k/amigayle.h b/include/asm-m68k/amigayle.h new file mode 100644 index 000000000000..bb5a6aa329f3 --- /dev/null +++ b/include/asm-m68k/amigayle.h | |||
@@ -0,0 +1,107 @@ | |||
1 | /* | ||
2 | ** asm-m68k/amigayle.h -- This header defines the registers of the gayle chip | ||
3 | ** found on the Amiga 1200 | ||
4 | ** This information was found by disassembling card.resource, | ||
5 | ** so the definitions may not be 100% correct | ||
6 | ** anyone has an official doc ? | ||
7 | ** | ||
8 | ** Copyright 1997 by Alain Malek | ||
9 | ** | ||
10 | ** This file is subject to the terms and conditions of the GNU General Public | ||
11 | ** License. See the file COPYING in the main directory of this archive | ||
12 | ** for more details. | ||
13 | ** | ||
14 | ** Created: 11/28/97 by Alain Malek | ||
15 | */ | ||
16 | |||
17 | #ifndef _M68K_AMIGAYLE_H_ | ||
18 | #define _M68K_AMIGAYLE_H_ | ||
19 | |||
20 | #include <linux/types.h> | ||
21 | #include <asm/amigahw.h> | ||
22 | |||
23 | /* memory layout */ | ||
24 | |||
25 | #define GAYLE_RAM (0x600000+zTwoBase) | ||
26 | #define GAYLE_RAMSIZE (0x400000) | ||
27 | #define GAYLE_ATTRIBUTE (0xa00000+zTwoBase) | ||
28 | #define GAYLE_ATTRIBUTESIZE (0x020000) | ||
29 | #define GAYLE_IO (0xa20000+zTwoBase) /* 16bit and even 8bit registers */ | ||
30 | #define GAYLE_IOSIZE (0x010000) | ||
31 | #define GAYLE_IO_8BITODD (0xa30000+zTwoBase) /* odd 8bit registers */ | ||
32 | |||
33 | /* offset for accessing odd IO registers */ | ||
34 | #define GAYLE_ODD (GAYLE_IO_8BITODD-GAYLE_IO-1) | ||
35 | |||
36 | /* GAYLE registers */ | ||
37 | |||
38 | struct GAYLE { | ||
39 | u_char cardstatus; | ||
40 | u_char pad0[0x1000-1]; | ||
41 | |||
42 | u_char intreq; | ||
43 | u_char pad1[0x1000-1]; | ||
44 | |||
45 | u_char inten; | ||
46 | u_char pad2[0x1000-1]; | ||
47 | |||
48 | u_char config; | ||
49 | u_char pad3[0x1000-1]; | ||
50 | }; | ||
51 | |||
52 | #define GAYLE_ADDRESS (0xda8000) /* gayle main registers base address */ | ||
53 | |||
54 | #define GAYLE_RESET (0xa40000) /* write 0x00 to start reset, | ||
55 | read 1 byte to stop reset */ | ||
56 | |||
57 | #define gayle (*(volatile struct GAYLE *)(zTwoBase+GAYLE_ADDRESS)) | ||
58 | #define gayle_reset (*(volatile u_char *)(zTwoBase+GAYLE_RESET)) | ||
59 | |||
60 | #define gayle_attribute ((volatile u_char *)(GAYLE_ATTRIBUTE)) | ||
61 | |||
62 | #if 0 | ||
63 | #define gayle_inb(a) readb( GAYLE_IO+(a)+(((a)&1)*GAYLE_ODD) ) | ||
64 | #define gayle_outb(v,a) writeb( v, GAYLE_IO+(a)+(((a)&1)*GAYLE_ODD) ) | ||
65 | |||
66 | #define gayle_inw(a) readw( GAYLE_IO+(a) ) | ||
67 | #define gayle_outw(v,a) writew( v, GAYLE_IO+(a) ) | ||
68 | #endif | ||
69 | |||
70 | /* GAYLE_CARDSTATUS bit def */ | ||
71 | |||
72 | #define GAYLE_CS_CCDET 0x40 /* credit card detect */ | ||
73 | #define GAYLE_CS_BVD1 0x20 /* battery voltage detect 1 */ | ||
74 | #define GAYLE_CS_SC 0x20 /* credit card status change */ | ||
75 | #define GAYLE_CS_BVD2 0x10 /* battery voltage detect 2 */ | ||
76 | #define GAYLE_CS_DA 0x10 /* digital audio */ | ||
77 | #define GAYLE_CS_WR 0x08 /* write enable (1 == enabled) */ | ||
78 | #define GAYLE_CS_BSY 0x04 /* credit card busy */ | ||
79 | #define GAYLE_CS_IRQ 0x04 /* interrupt request */ | ||
80 | |||
81 | /* GAYLE_IRQ bit def */ | ||
82 | |||
83 | #define GAYLE_IRQ_IDE 0x80 | ||
84 | #define GAYLE_IRQ_CCDET 0x40 | ||
85 | #define GAYLE_IRQ_BVD1 0x20 | ||
86 | #define GAYLE_IRQ_SC 0x20 | ||
87 | #define GAYLE_IRQ_BVD2 0x10 | ||
88 | #define GAYLE_IRQ_DA 0x10 | ||
89 | #define GAYLE_IRQ_WR 0x08 | ||
90 | #define GAYLE_IRQ_BSY 0x04 | ||
91 | #define GAYLE_IRQ_IRQ 0x04 | ||
92 | #define GAYLE_IRQ_IDEACK1 0x02 | ||
93 | #define GAYLE_IRQ_IDEACK0 0x01 | ||
94 | |||
95 | /* GAYLE_CONFIG bit def | ||
96 | (bit 0-1 for program voltage, bit 2-3 for access speed */ | ||
97 | |||
98 | #define GAYLE_CFG_0V 0x00 | ||
99 | #define GAYLE_CFG_5V 0x01 | ||
100 | #define GAYLE_CFG_12V 0x02 | ||
101 | |||
102 | #define GAYLE_CFG_100NS 0x08 | ||
103 | #define GAYLE_CFG_150NS 0x04 | ||
104 | #define GAYLE_CFG_250NS 0x00 | ||
105 | #define GAYLE_CFG_720NS 0x0c | ||
106 | |||
107 | #endif /* asm-m68k/amigayle.h */ | ||