Blackfin: convert plat-nand code to GPIO framework

Use the new GPIO framework code in both the Blackfin arch and the
nand_plat driver to simplify things greatly.

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

include/configs/bf537-pnav.h

@@ -132,7 +132,6 @@
 
 #define BFIN_NAND_CLE(chip) ((unsigned long)(chip)->IO_ADDR_W | (1 << 2))
 #define BFIN_NAND_ALE(chip) ((unsigned long)(chip)->IO_ADDR_W | (1 << 1))
-#define BFIN_NAND_READY     PF12
 #define BFIN_NAND_WRITE(addr, cmd) \
 	do { \
 		bfin_write8(addr, cmd); \
@@ -141,13 +140,7 @@
 
 #define NAND_PLAT_WRITE_CMD(chip, cmd) BFIN_NAND_WRITE(BFIN_NAND_CLE(chip), cmd)
 #define NAND_PLAT_WRITE_ADR(chip, cmd) BFIN_NAND_WRITE(BFIN_NAND_ALE(chip), cmd)
-#define NAND_PLAT_DEV_READY(chip)      (bfin_read_PORTHIO() & BFIN_NAND_READY)
-#define NAND_PLAT_INIT() \
-	do { \
-		bfin_write_PORTH_FER(bfin_read_PORTH_FER() & ~BFIN_NAND_READY); \
-		bfin_write_PORTHIO_DIR(bfin_read_PORTHIO_DIR() & ~BFIN_NAND_READY); \
-		bfin_write_PORTHIO_INEN(bfin_read_PORTHIO_INEN() | BFIN_NAND_READY); \
-	} while (0)
+#define NAND_PLAT_GPIO_DEV_READY       GPIO_PF12
 
 
 /*

include/configs/bf537-stamp.h

@@ -157,7 +157,6 @@
 
 #define BFIN_NAND_CLE(chip) ((unsigned long)(chip)->IO_ADDR_W | (1 << 2))
 #define BFIN_NAND_ALE(chip) ((unsigned long)(chip)->IO_ADDR_W | (1 << 1))
-#define BFIN_NAND_READY     PF3
 #define BFIN_NAND_WRITE(addr, cmd) \
 	do { \
 		bfin_write8(addr, cmd); \
@@ -166,13 +165,7 @@
 
 #define NAND_PLAT_WRITE_CMD(chip, cmd) BFIN_NAND_WRITE(BFIN_NAND_CLE(chip), cmd)
 #define NAND_PLAT_WRITE_ADR(chip, cmd) BFIN_NAND_WRITE(BFIN_NAND_ALE(chip), cmd)
-#define NAND_PLAT_DEV_READY(chip)      (bfin_read_PORTFIO() & BFIN_NAND_READY)
-#define NAND_PLAT_INIT() \
-	do { \
-		bfin_write_PORTF_FER(bfin_read_PORTF_FER() & ~BFIN_NAND_READY); \
-		bfin_write_PORTFIO_DIR(bfin_read_PORTFIO_DIR() & ~BFIN_NAND_READY); \
-		bfin_write_PORTFIO_INEN(bfin_read_PORTFIO_INEN() | BFIN_NAND_READY); \
-	} while (0)
+#define NAND_PLAT_GPIO_DEV_READY       GPIO_PF3
 
 
 /*

include/configs/bf561-acvilon.h

@@ -145,7 +145,6 @@
 
 #define BFIN_NAND_CLE(chip) ((unsigned long)(chip)->IO_ADDR_W | (1 << 2))
 #define BFIN_NAND_ALE(chip) ((unsigned long)(chip)->IO_ADDR_W | (1 << 3))
-#define BFIN_NAND_READY     PF10
 #define BFIN_NAND_WRITE(addr, cmd) \
 	do { \
 		bfin_write8(addr, cmd); \
@@ -154,12 +153,7 @@
 
 #define NAND_PLAT_WRITE_CMD(chip, cmd) BFIN_NAND_WRITE(BFIN_NAND_CLE(chip), cmd)
 #define NAND_PLAT_WRITE_ADR(chip, cmd) BFIN_NAND_WRITE(BFIN_NAND_ALE(chip), cmd)
-#define NAND_PLAT_DEV_READY(chip)      (bfin_read_FIO0_FLAG_D() & BFIN_NAND_READY)
-#define NAND_PLAT_INIT() \
-	do { \
-		bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() & ~BFIN_NAND_READY); \
-		bfin_write_FIO0_INEN(bfin_read_FIO0_INEN() | BFIN_NAND_READY); \
-	} while (0)
+#define NAND_PLAT_GPIO_DEV_READY       GPIO_PF10
 
 
 /*

include/configs/ip04.h

@@ -116,7 +116,6 @@
 
 #define BFIN_NAND_CLE(chip) ((unsigned long)(chip)->IO_ADDR_W | (1 << 2))
 #define BFIN_NAND_ALE(chip) ((unsigned long)(chip)->IO_ADDR_W | (1 << 1))
-#define BFIN_NAND_READY     PF10
 #define BFIN_NAND_WRITE(addr, cmd) \
 	do { \
 		bfin_write8(addr, cmd); \
@@ -125,14 +124,7 @@
 
 #define NAND_PLAT_WRITE_CMD(chip, cmd) BFIN_NAND_WRITE(BFIN_NAND_CLE(chip), cmd)
 #define NAND_PLAT_WRITE_ADR(chip, cmd) BFIN_NAND_WRITE(BFIN_NAND_ALE(chip), cmd)
-#define NAND_PLAT_DEV_READY(chip)      (bfin_read_FIO_FLAG_D() & BFIN_NAND_READY)
-#define NAND_PLAT_INIT() \
-	do { \
-		bfin_write_FIO_DIR(bfin_read_FIO_DIR() & ~BFIN_NAND_READY); \
-		bfin_write_FIO_INEN(bfin_read_FIO_INEN() | BFIN_NAND_READY); \
-		bfin_write_FIO_EDGE(bfin_read_FIO_EDGE() & ~BFIN_NAND_READY); \
-		bfin_write_FIO_POLAR(bfin_read_FIO_POLAR() & ~BFIN_NAND_READY); \
-	} while (0)
+#define NAND_PLAT_GPIO_DEV_READY       GPIO_PF10
 
 
 /*