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Diffstat (limited to 'arch/sh/boards/ec3104/io.c')
-rw-r--r-- | arch/sh/boards/ec3104/io.c | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/arch/sh/boards/ec3104/io.c b/arch/sh/boards/ec3104/io.c deleted file mode 100644 index 2f86394b280b..000000000000 --- a/arch/sh/boards/ec3104/io.c +++ /dev/null | |||
@@ -1,81 +0,0 @@ | |||
1 | /* | ||
2 | * linux/arch/sh/boards/ec3104/io.c | ||
3 | * EC3104 companion chip support | ||
4 | * | ||
5 | * Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org> | ||
6 | * | ||
7 | */ | ||
8 | /* EC3104 note: | ||
9 | * This code was written without any documentation about the EC3104 chip. While | ||
10 | * I hope I got most of the basic functionality right, the register names I use | ||
11 | * are most likely completely different from those in the chip documentation. | ||
12 | * | ||
13 | * If you have any further information about the EC3104, please tell me | ||
14 | * (prumpf@tux.org). | ||
15 | */ | ||
16 | |||
17 | #include <linux/kernel.h> | ||
18 | #include <linux/types.h> | ||
19 | #include <asm/io.h> | ||
20 | #include <asm/page.h> | ||
21 | #include <asm/ec3104/ec3104.h> | ||
22 | |||
23 | /* | ||
24 | * EC3104 has a real ISA bus which we redirect low port accesses to (the | ||
25 | * actual device on mine is a ESS 1868, and I don't want to hack the driver | ||
26 | * more than strictly necessary). I am not going to duplicate the | ||
27 | * hard coding of PC addresses (for the 16550s aso) here though; it's just | ||
28 | * too ugly. | ||
29 | */ | ||
30 | |||
31 | #define low_port(port) ((port) < 0x10000) | ||
32 | |||
33 | static inline unsigned long port2addr(unsigned long port) | ||
34 | { | ||
35 | switch(port >> 16) { | ||
36 | case 0: | ||
37 | return EC3104_ISA_BASE + port * 2; | ||
38 | |||
39 | /* XXX hack. it's unclear what to do about the serial ports */ | ||
40 | case 1: | ||
41 | return EC3104_BASE + (port&0xffff) * 4; | ||
42 | |||
43 | default: | ||
44 | /* XXX PCMCIA */ | ||
45 | return 0; | ||
46 | } | ||
47 | } | ||
48 | |||
49 | unsigned char ec3104_inb(unsigned long port) | ||
50 | { | ||
51 | u8 ret; | ||
52 | |||
53 | ret = *(volatile u8 *)port2addr(port); | ||
54 | |||
55 | return ret; | ||
56 | } | ||
57 | |||
58 | unsigned short ec3104_inw(unsigned long port) | ||
59 | { | ||
60 | BUG(); | ||
61 | } | ||
62 | |||
63 | unsigned long ec3104_inl(unsigned long port) | ||
64 | { | ||
65 | BUG(); | ||
66 | } | ||
67 | |||
68 | void ec3104_outb(unsigned char data, unsigned long port) | ||
69 | { | ||
70 | *(volatile u8 *)port2addr(port) = data; | ||
71 | } | ||
72 | |||
73 | void ec3104_outw(unsigned short data, unsigned long port) | ||
74 | { | ||
75 | BUG(); | ||
76 | } | ||
77 | |||
78 | void ec3104_outl(unsigned long data, unsigned long port) | ||
79 | { | ||
80 | BUG(); | ||
81 | } | ||