+/*
+ * CF IDE addon card code
+ *
+ * Enter bugs at http://blackfin.uclinux.org/
+ *
+ * Copyright (c) 2005-2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <common.h>
+#include <config.h>
+#include <asm/blackfin.h>
+#include "bf533-stamp.h"
+
+void cf_outb(unsigned char val, volatile unsigned char *addr)
+{
+ /* "ETHERNET" means the expansion memory banks */
+ swap_to(ETHERNET);
+
+ *addr = val;
+ SSYNC();
+
+ swap_to(FLASH);
+}
+
+unsigned char cf_inb(volatile unsigned char *addr)
+{
+ unsigned char c;
+
+ swap_to(ETHERNET);
+
+ c = *addr;
+ SSYNC();
+
+ swap_to(FLASH);
+
+ return c;
+}
+
+void cf_insw(unsigned short *sect_buf, unsigned short *addr, int words)
+{
+ int i;
+
+ swap_to(ETHERNET);
+
+ for (i = 0; i < words; i++) {
+ *(sect_buf + i) = *addr;
+ SSYNC();
+ }
+
+ swap_to(FLASH);
+}
+
+void cf_outsw(unsigned short *addr, unsigned short *sect_buf, int words)
+{
+ int i;
+
+ swap_to(ETHERNET);
+
+ for (i = 0; i < words; i++) {
+ *addr = *(sect_buf + i);
+ SSYNC();
+ }
+
+ swap_to(FLASH);
+}
+
+void cf_ide_init(void)
+{
+ int i, cf_stat;
+
+ /* Check whether CF card is inserted */
+ bfin_write_FIO_EDGE(FIO_EDGE_CF_BITS);
+ bfin_write_FIO_POLAR(FIO_POLAR_CF_BITS);
+ for (i = 0; i < 0x300; i++)
+ asm volatile("nop;");
+
+ cf_stat = bfin_read_FIO_FLAG_S() & CF_STAT_BITS;
+
+ bfin_write_FIO_EDGE(FIO_EDGE_BITS);
+ bfin_write_FIO_POLAR(FIO_POLAR_BITS);
+
+ if (!cf_stat) {
+ for (i = 0; i < 0x3000; i++)
+ asm volatile("nop;");
+
+ ide_init();
+ }
+}