For memory reaching the end of the address space phys + bank->size overflows to 0. Fix this by right shifting phys and bank->size before adding them.
Signed-off-by: Sascha Hauer <[email protected]> --- arch/arm/cpu/mmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/cpu/mmu.c b/arch/arm/cpu/mmu.c index 84daa3d..bf0141b 100644 --- a/arch/arm/cpu/mmu.c +++ b/arch/arm/cpu/mmu.c @@ -200,7 +200,7 @@ static int arm_mmu_remap_sdram(struct memory_bank *bank) { unsigned long phys = (unsigned long)bank->start; unsigned long ttb_start = phys >> 20; - unsigned long ttb_end = (phys + bank->size) >> 20; + unsigned long ttb_end = (phys >> 20) + (bank->size >> 20); unsigned long num_ptes = bank->size >> 10; int i, pte; u32 *ptes; -- 1.9.0 _______________________________________________ barebox mailing list [email protected] http://lists.infradead.org/mailman/listinfo/barebox
