diff options
| author | Huang Shijie <b32955@freescale.com> | 2012-08-15 10:29:40 +0800 |
|---|---|---|
| committer | Justin Waters <justin.waters@timesys.com> | 2012-09-12 11:05:55 -0400 |
| commit | ef91335b0d67f6c80697ae982f950c2a1a523063 (patch) | |
| tree | a920839303fa6b80f1ae4541c9ebfbbdb7e96dfe | |
| parent | 67bfde0953d795e78844bca759e9ed2e977f93fd (diff) | |
ENGR00217505-6 uboot: gpmi: set default value for busy_timeout
Set 0x500 to the busy_timeout in HW_GPMI_TIMING1.
If we do not set this busy_timeout, the gpmi may become unstable.
Signed-off-by: Huang Shijie <b32955@freescale.com>
| -rw-r--r-- | drivers/mtd/nand/gpmi_nfc_gpmi.h | 1 | ||||
| -rw-r--r-- | drivers/mtd/nand/gpmi_nfc_hal.c | 4 |
2 files changed, 5 insertions, 0 deletions
diff --git a/drivers/mtd/nand/gpmi_nfc_gpmi.h b/drivers/mtd/nand/gpmi_nfc_gpmi.h index 5eb9c5ff5c..044db73426 100644 --- a/drivers/mtd/nand/gpmi_nfc_gpmi.h +++ b/drivers/mtd/nand/gpmi_nfc_gpmi.h @@ -299,6 +299,7 @@ (((v) << 0) & BM_GPMI_TIMING0_DATA_SETUP) #define HW_GPMI_TIMING1 (0x00000080) +#define HW_GPMI_TIMING1_SET (0x00000084) #define BP_GPMI_TIMING1_DEVICE_BUSY_TIMEOUT 16 #define BM_GPMI_TIMING1_DEVICE_BUSY_TIMEOUT 0xFFFF0000 diff --git a/drivers/mtd/nand/gpmi_nfc_hal.c b/drivers/mtd/nand/gpmi_nfc_hal.c index d5019bcd9f..5eac818913 100644 --- a/drivers/mtd/nand/gpmi_nfc_hal.c +++ b/drivers/mtd/nand/gpmi_nfc_hal.c @@ -199,6 +199,10 @@ static int init(void) memcpy(&gpmi_nfc_hal.timing, &safe_timing, sizeof(struct gpmi_nfc_timing)); + /* Set the busy_timeout. */ + REG_SET(CONFIG_GPMI_REG_BASE, HW_GPMI_TIMING1, + BF_GPMI_TIMING1_DEVICE_BUSY_TIMEOUT(0x500)); + MTDDEBUG(MTD_DEBUG_LEVEL3, "<= %s\n", __func__); return 0; } |