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U-Boot for Carambola2/Lima based boards
What other versions have you tested with?
Or, what version of build root were you using?
Or, can we just use an openwrt/lede toolchain?
Can you please provide build instructions, or at least mention which toolchain has been used to compile it? I compiled it with openwrt toolchain, but resulting image is not working- board freeze right after DRAM check. Was forced to de-brick with Flash unsolder.
I am having very intermittent stability issues using both Caraboot and pepe-2k.
Both u-boot versions assume a tRAS value of 40 ns
This was true when the Carambola2 module used the W9751G6JB25 DDR2 module.
However, I popped off the cap of a newer Carambola2 module and it now uses W9751G6KB25
According to line in include/configs/carambola2.h
#define CFG_DDR_CONFIG_VAL 0x7fbc8cd0
tRAS is still specified at 40 ns
Should the default safe value be at 45 ns???
See datasheets
Page 45 of
https://www.winbond.com/resource-files/da00-w9751g6kbg1.pdf
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