X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=board%2Fatmel%2Fat91cap9adk%2Fnand.c;h=cc2263b023a3e383ed18c75f79dd13a7b869ef2d;hb=49a4c7476f5f7c67dc8159537d9fbcdcfa91afb8;hp=2f02126278410283c07f783e912ca2669a7652d7;hpb=d7d9afa48cfa5b07089e3694859a377676a81bd1;p=u-boot

diff --git a/board/atmel/at91cap9adk/nand.c b/board/atmel/at91cap9adk/nand.c
index 2f02126278..cc2263b023 100644
--- a/board/atmel/at91cap9adk/nand.c
+++ b/board/atmel/at91cap9adk/nand.c
@@ -1,6 +1,6 @@
 /*
  * (C) Copyright 2007-2008
- * Stelian Pop <stelian.pop <at> leadtechdesign.com>
+ * Stelian Pop <stelian.pop@leadtechdesign.com>
  * Lead Tech Design <www.leadtechdesign.com>
  *
  * (C) Copyright 2006 ATMEL Rousset, Lacressonniere Nicolas
@@ -25,9 +25,9 @@
  */
 
 #include <common.h>
-#include <asm/arch/hardware.h>
-
-#ifdef CONFIG_CMD_NAND
+#include <asm/arch/at91cap9.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/at91_pio.h>
 
 #include <nand.h>
 
@@ -37,35 +37,36 @@
 #define	MASK_ALE	(1 << 21)	/* our ALE is AD21 */
 #define	MASK_CLE	(1 << 22)	/* our CLE is AD22 */
 
-static void at91cap9adk_nand_hwcontrol(struct mtd_info *mtd, int cmd)
+static void at91cap9adk_nand_hwcontrol(struct mtd_info *mtd,
+				       int cmd, unsigned int ctrl)
 {
 	struct nand_chip *this = mtd->priv;
-	ulong IO_ADDR_W = (ulong) this->IO_ADDR_W;
 
-	IO_ADDR_W &= ~(MASK_ALE|MASK_CLE);
-	switch (cmd) {
-	case NAND_CTL_SETCLE:
-		IO_ADDR_W |= MASK_CLE;
-		break;
-	case NAND_CTL_SETALE:
-		IO_ADDR_W |= MASK_ALE;
-		break;
-	case NAND_CTL_CLRNCE:
-		AT91C_BASE_PIOD->PIO_SODR = AT91C_PIO_PD15;
-		break;
-	case NAND_CTL_SETNCE:
-		AT91C_BASE_PIOD->PIO_CODR = AT91C_PIO_PD15;
-		break;
+	if (ctrl & NAND_CTRL_CHANGE) {
+		ulong IO_ADDR_W = (ulong) this->IO_ADDR_W;
+		IO_ADDR_W &= ~(MASK_ALE | MASK_CLE);
+
+		if (ctrl & NAND_CLE)
+			IO_ADDR_W |= MASK_CLE;
+		if (ctrl & NAND_ALE)
+			IO_ADDR_W |= MASK_ALE;
+
+		at91_set_gpio_value(AT91_PIN_PD15, !(ctrl & NAND_NCE));
+		this->IO_ADDR_W = (void *) IO_ADDR_W;
 	}
-	this->IO_ADDR_W = (void *) IO_ADDR_W;
+
+	if (cmd != NAND_CMD_NONE)
+		writeb(cmd, this->IO_ADDR_W);
 }
 
 int board_nand_init(struct nand_chip *nand)
 {
-	nand->eccmode = NAND_ECC_SOFT;
-	nand->hwcontrol = at91cap9adk_nand_hwcontrol;
+	nand->ecc.mode = NAND_ECC_SOFT;
+#ifdef CONFIG_SYS_NAND_DBW_16
+	nand->options = NAND_BUSWIDTH_16;
+#endif
+	nand->cmd_ctrl = at91cap9adk_nand_hwcontrol;
 	nand->chip_delay = 20;
 
 	return 0;
 }
-#endif