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Coldfire: Don't clobber alwarm wakeup signal in dualboot mode

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(See FS#7814 for details)

Change-Id: I6a09a8dfe1abc3a396ca8afe1dbbf1d203c7e3e2
This commit is contained in:
Solomon Peachy 2019-01-01 23:27:24 -05:00
parent 7e7ca0c858
commit 88cae9d13d
1 changed files with 4 additions and 0 deletions
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4
firmware/target/coldfire/crt0.S
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@ -46,6 +46,10 @@ start:
lea MBAR2, %a1
move.l (%a1), %a0 /* store GPIO_READ result for button check in main() */
tst.b 0x30000000 /* preloader sets this to 1
if woke up due to RTC alarm */
bne .loadrockbox
/* Wait ~3 seconds for ON-button release. We need roughly 300ns per
iteration, so we check 10000000 times to reach the desired delay */
move.l #10000000, %d0