1 files changed, 35 insertions, 43 deletions

diff --git a/board/nc650/nand.c b/board/nc650/nand.c
index 8617f74..7dca97f 100644
--- a/board/nc650/nand.c
+++ b/board/nc650/nand.c
@@ -22,7 +22,7 @@
  */
 
 #include <common.h>
-
+#include <asm/io.h>
 
 #if defined(CONFIG_CMD_NAND)
 
@@ -32,57 +32,49 @@
 /*
  *	hardware specific access to control-lines
  */
-static void nc650_hwcontrol(struct mtd_info *mtd, int cmd)
+static void nc650_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
 {
 	struct nand_chip *this = mtd->priv;
 
-	switch(cmd) {
-	case NAND_CTL_SETCLE:
-		this->IO_ADDR_W += 2;
-		break;
-	case NAND_CTL_CLRCLE:
-		this->IO_ADDR_W -= 2;
-		break;
-	case NAND_CTL_SETALE:
-		this->IO_ADDR_W += 1;
-		break;
-	case NAND_CTL_CLRALE:
-		this->IO_ADDR_W -= 1;
-		break;
-	case NAND_CTL_SETNCE:
-	case NAND_CTL_CLRNCE:
-		/* nop */
-		break;
+	if (ctrl & NAND_CTRL_CHANGE) {
+		if ( ctrl & NAND_CLE )
+			this->IO_ADDR_W += 2;
+		else
+			this->IO_ADDR_W -= 2;
+		if ( ctrl & NAND_ALE )
+			this->IO_ADDR_W += 1;
+		else
+			this->IO_ADDR_W -= 1;
 	}
+
+	if (cmd != NAND_CMD_NONE)
+		writeb(cmd, this->IO_ADDR_W);
 }
 #elif defined(CONFIG_IDS852_REV2)
 /*
  *	hardware specific access to control-lines
  */
-static void nc650_hwcontrol(struct mtd_info *mtd, int cmd)
+static void nc650_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
 {
 	struct nand_chip *this = mtd->priv;
 
-	switch(cmd) {
-	case NAND_CTL_SETCLE:
-		*(((volatile __u8 *) this->IO_ADDR_W) + 0xa) = 0;
-		break;
-	case NAND_CTL_CLRCLE:
-		*(((volatile __u8 *) this->IO_ADDR_W) + 0x8) = 0;
-		break;
-	case NAND_CTL_SETALE:
-		*(((volatile __u8 *) this->IO_ADDR_W) + 0x9) = 0;
-		break;
-	case NAND_CTL_CLRALE:
-		*(((volatile __u8 *) this->IO_ADDR_W) + 0x8) = 0;
-		break;
-	case NAND_CTL_SETNCE:
-		*(((volatile __u8 *) this->IO_ADDR_W) + 0x8) = 0;
-		break;
-	case NAND_CTL_CLRNCE:
-		*(((volatile __u8 *) this->IO_ADDR_W) + 0xc) = 0;
-		break;
+	if (ctrl & NAND_CTRL_CHANGE) {
+		if ( ctrl & NAND_CLE )
+			writeb(0, (volatile __u8 *) this->IO_ADDR_W + 0xa);
+		else
+			writeb(0, (volatile __u8 *) this->IO_ADDR_W) + 0x8);
+		if ( ctrl & NAND_ALE )
+			writeb(0, (volatile __u8 *) this->IO_ADDR_W) + 0x9);
+		else
+			writeb(0, (volatile __u8 *) this->IO_ADDR_W) + 0x8);
+		if ( ctrl & NAND_NCE )
+			writeb(0, (volatile __u8 *) this->IO_ADDR_W) + 0x8);
+		else
+			writeb(0, (volatile __u8 *) this->IO_ADDR_W) + 0xc);
 	}
+
+	if (cmd != NAND_CMD_NONE)
+		writeb(cmd, this->IO_ADDR_W);
 }
 #else
 #error Unknown IDS852 module revision
@@ -93,11 +85,11 @@ static void nc650_hwcontrol(struct mtd_info *mtd, int cmd)
  * argument are board-specific (per include/linux/mtd/nand.h):
  * - IO_ADDR_R?: address to read the 8 I/O lines of the flash device
  * - IO_ADDR_W?: address to write the 8 I/O lines of the flash device
- * - hwcontrol: hardwarespecific function for accesing control-lines
+ * - cmd_ctrl: hardwarespecific function for accesing control-lines
  * - dev_ready: hardwarespecific function for  accesing device ready/busy line
  * - enable_hwecc?: function to enable (reset)  hardware ecc generator. Must
  *   only be provided if a hardware ECC is available
- * - eccmode: mode of ecc, see defines
+ * - eccm.ode: mode of ecc, see defines
  * - chip_delay: chip dependent delay for transfering data from array to
  *   read regs (tR)
  * - options: various chip options. They can partly be set to inform
@@ -109,8 +101,8 @@ static void nc650_hwcontrol(struct mtd_info *mtd, int cmd)
 int board_nand_init(struct nand_chip *nand)
 {
 
-	nand->hwcontrol = nc650_hwcontrol;
-	nand->eccmode = NAND_ECC_SOFT;
+	nand->cmd_ctrl = nc650_hwcontrol;
+	nand->ecc.mode = NAND_ECC_SOFT;
 	nand->chip_delay = 12;
 /*	nand->options = NAND_SAMSUNG_LP_OPTIONS;*/
 	return 0;