Blackfin: pata_bfin: convert to portmux framework

Rather than bang MMRs directly, use the new portmux framework to handle
the details.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

drivers/block/pata_bfin.c

@@ -14,6 +14,7 @@
 #include <asm/byteorder.h>
 #include <asm/io.h>
 #include <asm/errno.h>
+#include <asm/portmux.h>
 #include <asm/mach-common/bits/pata.h>
 #include <ata.h>
 #include <libata.h>
@@ -769,19 +770,17 @@ static int bfin_ata_reset_port(struct ata_port *ap)
  */
 static int bfin_config_atapi_gpio(struct ata_port *ap)
 {
-	bfin_write_PORTH_FER(bfin_read_PORTH_FER() | 0x4);
-	bfin_write_PORTH_MUX(bfin_read_PORTH_MUX() & ~0x30);
-	bfin_write_PORTH_DIR_SET(0x4);
-
-	bfin_write_PORTJ_FER(0x7f8);
-	bfin_write_PORTJ_MUX(bfin_read_PORTI_MUX() & ~0x3fffc0);
-	bfin_write_PORTJ_DIR_SET(0x5f8);
-	bfin_write_PORTJ_DIR_CLEAR(0x200);
-	bfin_write_PORTJ_INEN(0x200);
-
-	bfin_write_PINT2_ASSIGN(0x0707);
-	bfin_write_PINT2_MASK_SET(0x200);
-	SSYNC();
+	const unsigned short pins[] = {
+		P_ATAPI_RESET, P_ATAPI_DIOR, P_ATAPI_DIOW, P_ATAPI_CS0,
+		P_ATAPI_CS1, P_ATAPI_DMACK, P_ATAPI_DMARQ, P_ATAPI_INTRQ,
+		P_ATAPI_IORDY, P_ATAPI_D0A, P_ATAPI_D1A, P_ATAPI_D2A,
+		P_ATAPI_D3A, P_ATAPI_D4A, P_ATAPI_D5A, P_ATAPI_D6A,
+		P_ATAPI_D7A, P_ATAPI_D8A, P_ATAPI_D9A, P_ATAPI_D10A,
+		P_ATAPI_D11A, P_ATAPI_D12A, P_ATAPI_D13A, P_ATAPI_D14A,
+		P_ATAPI_D15A, P_ATAPI_A0A, P_ATAPI_A1A, P_ATAPI_A2A, 0,
+	};
+
+	peripheral_request_list(pins, "pata_bfin");
 
 	return 0;
 }