X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fmtd%2Fnand%2Fh1910.c;h=9e59de501c2e95beab5a18881b38ed2c312794a0;hb=3859069bc3358772b08bd91efe9edec39a746ea8;hp=06e91fa11b34a5f931581585c9bc5ac2b3c1444c;hpb=4cbb9b80e171107c6c34116283fe38e5a396c68b;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/mtd/nand/h1910.c b/drivers/mtd/nand/h1910.c
index 06e91fa11b3..9e59de501c2 100644
--- a/drivers/mtd/nand/h1910.c
+++ b/drivers/mtd/nand/h1910.c
@@ -7,8 +7,6 @@
  *       Copyright (C) 2002 Marius Gröger (mag@sysgo.de)
  *       Copyright (c) 2001 Thomas Gleixner (gleixner@autronix.de)
  *
- * $Id: h1910.c,v 1.6 2005/11/07 11:14:30 gleixner Exp $
- *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
@@ -56,36 +54,18 @@ static struct mtd_partition partition_info[] = {
 
 /*
  *	hardware specific access to control-lines
+ *
+ *	NAND_NCE: bit 0 - don't care
+ *	NAND_CLE: bit 1 - address bit 2
+ *	NAND_ALE: bit 2 - address bit 3
  */
-static void h1910_hwcontrol(struct mtd_info *mtd, int cmd)
+static void h1910_hwcontrol(struct mtd_info *mtd, int cmd,
+			    unsigned int ctrl)
 {
-	struct nand_chip *this = (struct nand_chip *)(mtd->priv);
-
-	switch (cmd) {
-
-	case NAND_CTL_SETCLE:
-		this->IO_ADDR_R |= (1 << 2);
-		this->IO_ADDR_W |= (1 << 2);
-		break;
-	case NAND_CTL_CLRCLE:
-		this->IO_ADDR_R &= ~(1 << 2);
-		this->IO_ADDR_W &= ~(1 << 2);
-		break;
-
-	case NAND_CTL_SETALE:
-		this->IO_ADDR_R |= (1 << 3);
-		this->IO_ADDR_W |= (1 << 3);
-		break;
-	case NAND_CTL_CLRALE:
-		this->IO_ADDR_R &= ~(1 << 3);
-		this->IO_ADDR_W &= ~(1 << 3);
-		break;
-
-	case NAND_CTL_SETNCE:
-		break;
-	case NAND_CTL_CLRNCE:
-		break;
-	}
+	struct nand_chip *chip = mtd->priv;
+
+	if (cmd != NAND_CMD_NONE)
+		writeb(cmd, chip->IO_ADDR_W | ((ctrl & 0x6) << 1));
 }
 
 /*
@@ -145,7 +125,7 @@ static int __init h1910_init(void)
 	/* insert callbacks */
 	this->IO_ADDR_R = nandaddr;
 	this->IO_ADDR_W = nandaddr;
-	this->hwcontrol = h1910_hwcontrol;
+	this->cmd_ctrl = h1910_hwcontrol;
 	this->dev_ready = NULL;	/* unknown whether that was correct or not so we will just do it like this */
 	/* 15 us command delay time */
 	this->chip_delay = 50;