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ARM: pbl-multi: Fix SDRAM at end of address space 

When SDRAM reaches to the end of the address space the comparison
membase + memsize evaluates to 0, so pc - membase < memsize can never
be true. Fix this by substracting membase on both sides of the
comparison.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2016-03-30 11:52:09 +02:00
parent 02f826830f
commit 940e04d181
1 changed files with 1 additions and 1 deletions
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2
arch/arm/cpu/uncompress.c
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@ -60,7 +60,7 @@ void __noreturn barebox_multi_pbl_start(unsigned long membase,
* to the current address. Otherwise it may be a readonly location.
* Copy and relocate to the start of the memory in this case.
*/
if (pc > membase && pc < membase + memsize)
if (pc > membase && pc - membase < memsize)
relocate_to_current_adr();
else
relocate_to_adr(membase);