mtd: nand: Add a few more timings to nand_sdr_timings

[oweals/u-boot.git] / drivers / mtd / nand / kirkwood_nand.c

diff --git a/drivers/mtd/nand/kirkwood_nand.c b/drivers/mtd/nand/kirkwood_nand.c
index 4fc34d6b9fca6d7b41ff44f52912da85532d1b9b..d0a68bdcb9c84eb404efc751f76ff017d6d21646 100644 (file)
--- 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
  */
@@ -30,7 +33,7 @@ static struct kwnandf_registers *nf_reg =
 static void kw_nand_hwcontrol(struct mtd_info *mtd, int cmd,
                              unsigned int ctrl)
 {
-       struct nand_chip *nc = mtd->priv;
+       struct nand_chip *nc = mtd_to_nand(mtd);
        u32 offs;
 
        if (cmd == NAND_CMD_NONE)
@@ -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;