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| author | Huang Shijie <b32955@freescale.com> | 2012-08-15 10:29:40 +0800 |
|---|---|---|
| committer | Huang Shijie <b32955@freescale.com> | 2012-08-20 16:08:53 +0800 |
| commit | d20be8615307ac9af0cd8f2b7dcbdb1511277cfd (patch) | |
| tree | a920839303fa6b80f1ae4541c9ebfbbdb7e96dfe /drivers/mtd | |
| parent | ba759e899147596ce8798d25c5551573c42ed297 (diff) | |
| download | u-boot-imx-d20be8615307ac9af0cd8f2b7dcbdb1511277cfd.zip u-boot-imx-d20be8615307ac9af0cd8f2b7dcbdb1511277cfd.tar.gz u-boot-imx-d20be8615307ac9af0cd8f2b7dcbdb1511277cfd.tar.bz2 | |
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>
Diffstat (limited to 'drivers/mtd')
| -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 5eb9c5f..044db73 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 d5019bc..5eac818 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; } |