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qi-memory-test-when-no-kernels.patch

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This makes a new behaviour for Qi, when there are no valid kernels then it
performs the memory test.  It means you can either move kernels out of the way
to get the memory test, or make an SD Card just with normal Qi on it and no
kernels to get a memory test.

Signed-off-by: Andy Green <andy@openmoko.com>
This commit is contained in:
Andy Green 2008-11-28 10:16:42 +00:00 committed by Andy Green
parent c5d0a6379f
commit 69de926cf4
1 changed files with 16 additions and 3 deletions
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19
qiboot/src/phase2.c
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@ -297,7 +297,20 @@ void bootloader_second_phase(void)
/* none of the kernels worked out */
puts("No usable kernel image found, we've had it :-(\n");
while (1)
;
puts("\nNo usable kernel image found\n");
/*
* sit there doing a memory test in this case.
*
* This phase 2 code will get destroyed but it's OK, we won't be
* coming back and the whole memory test and dependency functions are
* in phase 1 / steppingstone, so we can test entire memory range.
*
* It means we just boot with SD Card with kernel(s) renamed or removed
* to provoke memory test.
*/
memory_test((void *)this_board->linux_mem_start,
this_board->linux_mem_size);
}