diff options
| author | Huang Shijie <b32955@freescale.com> | 2012-01-09 15:59:01 +0800 |
|---|---|---|
| committer | Jason Liu <r64343@freescale.com> | 2012-01-19 12:41:32 +0800 |
| commit | 1e2db73fbaf8665e7264441d26e304dc06bb5746 (patch) | |
| tree | 4b623f1cc4dcf7a5d6e12967253c1cad71fba83a /drivers/mtd | |
| parent | ccc6e60f696abb1601e527b7852e53235d2726b6 (diff) | |
ENGR00169906-2 GPMI : setup the TIMING1 for ready/busy
The TIMING1 specifies the timeouts used when monitoring the
NAND READY pin and IOWAIT signals.
We should set a default value for it.
Signed-off-by: Huang Shijie <b32955@freescale.com>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/nand/gpmi-nfc/hal-mx50.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/mtd/nand/gpmi-nfc/hal-mx50.c b/drivers/mtd/nand/gpmi-nfc/hal-mx50.c index 6545c84007f9..c8238b23e846 100644 --- a/drivers/mtd/nand/gpmi-nfc/hal-mx50.c +++ b/drivers/mtd/nand/gpmi-nfc/hal-mx50.c @@ -1,7 +1,7 @@ /* * Freescale GPMI NFC NAND Flash Driver * - * Copyright (C) 2010-2011 Freescale Semiconductor, Inc. + * Copyright (C) 2010-2012 Freescale Semiconductor, Inc. * Copyright (C) 2008 Embedded Alley Solutions, Inc. * * This program is free software; you can redistribute it and/or modify @@ -525,6 +525,10 @@ static void begin(struct gpmi_nfc_data *this) clk_enable(ahb_max_clk); clk_enable(resources->clock); + /* set ready/busy timeout */ + writel(BF_GPMI_TIMING1_DEVICE_BUSY_TIMEOUT(0x500), + resources->gpmi_regs + HW_GPMI_TIMING1); + /* Get the timing information we need. */ nfc->clock_frequency_in_hz = clk_get_rate(resources->clock); gpmi_nfc_compute_hardware_timing(this, &hw); |