Hi Pekon,
On 09.07.2014 20:22, Gupta, Pekon wrote:
Commit a0a37183 (ARM: omap: merge GPMC initialization code for all
platform) broke NAND on OMAP3 based platforms. I noticed this while
testing the latest 2014.07-rc version on the TAO3530 board. NAND
detection did not work with this error message:
NAND: nand: error: Unable to find NAND settings in GPMC Configuration -
quitting
As OMAP3 configs don't set CONFIG_NAND but CONFIG_NAND_CMD. the GPMC
was not initialized for NAND at all. This patch now fixes this issue.
Sorry couldn't understand this, why have users enabled CONFIG_NAND_CMD,
if CONFIG_NAND itself is not enabled ?
CONFIG_NAND doesn't seem to be a mandatory define if NAND is used. Many
OMAP3 based boards don't enable this define but still use NAND. The
"old" mem.c also did only check for CONFIG_CMD_NAND to configure the
GPMC accordingly. Thats why I chose to change mem-common.c to accept
this kind of configuration instead of changing all those config headers
to enable CONFIG_NAND.
Otherwise, if TAO3530 board uses the on-die NAND, then it should enable
NAND in its board profile via boards.cfg
Sorry, I don't understand what this has to do with on-die NAND. This
patch is a clear fix to restore the original behavior with the "old" mem.c.
Thanks,
Stefan
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