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Signed-off-by: Wolfgang Denk <wd@denx.de>
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Signed-off-by: Wolfgang Denk <wd@denx.de>
[trini: Fixup common/cmd_io.c]
Signed-off-by: Tom Rini <trini@ti.com>
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Signed-off-by: Wolfgang Denk <wd@denx.de>
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Add board_flash_wp_on() to check a pca9557 gpio pin to see
if non-volatile memory write protection is enabled.
Previously, write protected NOR flashes would fail initialization which
resulted in a bootup error such as:
...
DTT: 53 C local / 64 C remote (adt7461@4c)
DTT: 54 C local (ds1621@48)
FLASH: Executed from FLASH1
POST memory PASSED
FLASH: ## Unknown FLASH on Bank 1 - Size = 0x00000000 = 0 MB
## Unknown FLASH on Bank 2 - Size = 0x00000000 = 0 MB
*** failed ***
### ERROR ### Please RESET the board ###
With this patch, NOR flash initialization is skipped:
...
DTT: 53 C local / 64 C remote (adt7461@4c)
DTT: 54 C local (ds1621@48)
FLASH: Executed from FLASH1
POST memory PASSED
FLASH: Uninitialized - Write Protect On
L2: 1024 KB enabled
NAND: 1024 MiB
...
Note that flash related commands such as flinfo and saveenv will error
out when flash write protection is enabled.
Signed-off-by: John Schmoller <jschmoller@xes-inc.com>
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Create a common checkboard() function to support all X-ES's Freescale
boards.
Also, add a get_board_derivative() function which reads hardware
strapping resistors to determine what model a board is. This allows one
U-Boot image to support multiple boards.
Signed-off-by: John Schmoller <jschmoller@xes-inc.com>
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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