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mucmc52, uc101: delete ata@3a00 node, if no CF card is detected

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U-Boot can detect if an IDE device is present or not.
If not, and this new config option is activated, U-Boot
removes the ATA node from the DTS before booting Linux,
so the Linux IDE driver does not probe the device and
crash. This is needed for buggy hardware (uc101) where
no pull down resistor is connected to the signal IDE5V_DD7.

Signed-off-by: Heiko Schocher <hs@denx.de>
This commit is contained in:
Heiko Schocher
2009-09-23 07:56:08 +02:00
committed by Wolfgang Denk
parent 7f625fc6d3
commit 3887c3fbdb
5 changed files with 41 additions and 0 deletions
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3
include/ide.h
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@@ -54,4 +54,7 @@ void ide_init(void);
ulong ide_read(int device, lbaint_t blknr, ulong blkcnt, void *buffer);
ulong ide_write(int device, lbaint_t blknr, ulong blkcnt, void *buffer);
#if defined(CONFIG_OF_IDE_FIXUP)
int ide_device_present(int dev);
#endif
#endif /* _IDE_H */