2 * CF IDE addon card code
4 * Enter bugs at http://blackfin.uclinux.org/
6 * Copyright (c) 2005-2009 Analog Devices Inc.
8 * Licensed under the GPL-2 or later.
14 #include <asm/blackfin.h>
16 void cf_outb(unsigned char val, volatile unsigned char *addr)
22 unsigned char cf_inb(volatile unsigned char *addr)
24 volatile unsigned char c;
32 void cf_insw(unsigned short *sect_buf, unsigned short *addr, int words)
36 for (i = 0; i < words; i++)
37 *(sect_buf + i) = *(addr);
41 void cf_outsw(unsigned short *addr, unsigned short *sect_buf, int words)
45 for (i = 0; i < words; i++)
46 *(addr) = *(sect_buf + i);
50 void cf_ide_init(void)
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);
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);
62 #elif defined(CONFIG_BFIN_HDD_IDE)
63 printf("Using HDD IDE Mode\n");