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-rw-r--r--drivers/mtd/nand/nand_mxs.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/mtd/nand/nand_mxs.c b/drivers/mtd/nand/nand_mxs.c
index d1e4b5717d..237a423d3e 100644
--- a/drivers/mtd/nand/nand_mxs.c
+++ b/drivers/mtd/nand/nand_mxs.c
@@ -33,6 +33,7 @@
#include <dma/apbh-dma.h>
#include <stmp-device.h>
#include <asm/mmu.h>
+#include <mach/generic.h>
#define MX28_BLOCK_SFTRST (1 << 31)
#define MX28_BLOCK_CLKGATE (1 << 30)
@@ -427,7 +428,13 @@ static int mxs_nand_device_ready(struct mtd_info *mtd)
if (nand_info->version > GPMI_VERSION_TYPE_MX23) {
tmp = readl(gpmi_regs + GPMI_STAT);
- tmp >>= (GPMI_STAT_READY_BUSY_OFFSET + nand_info->cur_chip);
+ /* i.MX6 has only one R/B actual pin, so if there are several
+ R/B signals they must be all connected to this pin */
+ if (cpu_is_mx6())
+ tmp >>= GPMI_STAT_READY_BUSY_OFFSET;
+ else
+ tmp >>= (GPMI_STAT_READY_BUSY_OFFSET +
+ nand_info->cur_chip);
} else {
tmp = readl(gpmi_regs + GPMI_DEBUG);
tmp >>= (GPMI_DEBUG_READY0_OFFSET + nand_info->cur_chip);
@@ -1304,7 +1311,7 @@ static int mxs_nand_probe(struct device_d *dev)
nand->ecc.strength = 8;
/* first scan to find the device and get the page size */
- err = nand_scan_ident(mtd, 1, NULL);
+ err = nand_scan_ident(mtd, 4, NULL);
if (err)
goto err2;