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Commit | Line | Data |
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d248cfb2 MF |
1 | /* |
2 | * CF IDE addon card code | |
3 | * | |
4 | * Enter bugs at http://blackfin.uclinux.org/ | |
5 | * | |
6 | * Copyright (c) 2005-2009 Analog Devices Inc. | |
7 | * | |
8 | * Licensed under the GPL-2 or later. | |
9 | */ | |
10 | ||
11 | #include <common.h> | |
12 | #include <config.h> | |
13 | #include <command.h> | |
14 | #include <asm/blackfin.h> | |
15 | ||
16 | void cf_outb(unsigned char val, volatile unsigned char *addr) | |
17 | { | |
18 | *(addr) = val; | |
19 | SSYNC(); | |
20 | } | |
21 | ||
22 | unsigned char cf_inb(volatile unsigned char *addr) | |
23 | { | |
24 | volatile unsigned char c; | |
25 | ||
26 | c = *(addr); | |
27 | SSYNC(); | |
28 | ||
29 | return c; | |
30 | } | |
31 | ||
32 | void cf_insw(unsigned short *sect_buf, unsigned short *addr, int words) | |
33 | { | |
34 | int i; | |
35 | ||
36 | for (i = 0; i < words; i++) | |
37 | *(sect_buf + i) = *(addr); | |
38 | SSYNC(); | |
39 | } | |
40 | ||
41 | void cf_outsw(unsigned short *addr, unsigned short *sect_buf, int words) | |
42 | { | |
43 | int i; | |
44 | ||
45 | for (i = 0; i < words; i++) | |
46 | *(addr) = *(sect_buf + i); | |
47 | SSYNC(); | |
48 | } | |
49 | ||
50 | void cf_ide_init(void) | |
51 | { | |
52 | #if defined(CONFIG_BFIN_TRUE_IDE) | |
53 | /* Enable ATASEL when in True IDE mode */ | |
54 | printf("Using CF True IDE Mode\n"); | |
55 | cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_ENA); | |
56 | udelay(1000); | |
57 | #elif defined(CONFIG_BFIN_CF_IDE) | |
58 | /* Disable ATASEL when we're in Common Memory Mode */ | |
59 | printf("Using CF Common Memory Mode\n"); | |
60 | cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_DIS); | |
61 | udelay(1000); | |
62 | #elif defined(CONFIG_BFIN_HDD_IDE) | |
63 | printf("Using HDD IDE Mode\n"); | |
64 | #endif | |
65 | ide_init(); | |
66 | } |