X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fmtd%2Fnand%2Fkirkwood_nand.c;h=d734113f640ca365055c91524384dd62bd57e9ae;hb=f3c264f9de6a5727c90ecf6d46d4747091c0a57f;hp=4fc34d6b9fca6d7b41ff44f52912da85532d1b9b;hpb=3dc23f7852158fafde9eb736060f9e8131997f19;p=u-boot

diff --git a/drivers/mtd/nand/kirkwood_nand.c b/drivers/mtd/nand/kirkwood_nand.c
index 4fc34d6b9f..d734113f64 100644
--- a/drivers/mtd/nand/kirkwood_nand.c
+++ b/drivers/mtd/nand/kirkwood_nand.c
@@ -9,6 +9,7 @@
 #include <common.h>
 #include <asm/io.h>
 #include <asm/arch/soc.h>
+#include <asm/arch/mpp.h>
 #include <nand.h>
 
 /* NAND Flash Soc registers */
@@ -22,6 +23,8 @@ struct kwnandf_registers {
 static struct kwnandf_registers *nf_reg =
 	(struct kwnandf_registers *)KW_NANDF_BASE;
 
+static u32 nand_mpp_backup[9] = { 0 };
+
 /*
  * hardware specific access to control-lines/bits
  */
@@ -49,6 +52,22 @@ static void kw_nand_hwcontrol(struct mtd_info *mtd, int cmd,
 void kw_nand_select_chip(struct mtd_info *mtd, int chip)
 {
 	u32 data;
+	static const u32 nand_config[] = {
+		MPP0_NF_IO2,
+		MPP1_NF_IO3,
+		MPP2_NF_IO4,
+		MPP3_NF_IO5,
+		MPP4_NF_IO6,
+		MPP5_NF_IO7,
+		MPP18_NF_IO0,
+		MPP19_NF_IO1,
+		0
+	};
+
+	if (chip >= 0)
+		kirkwood_mpp_conf(nand_config, nand_mpp_backup);
+	else
+		kirkwood_mpp_conf(nand_mpp_backup, NULL);
 
 	data = readl(&nf_reg->ctrl);
 	data |= NAND_ACTCEBOOT_BIT;