On Wednesday, October 21, 2015 at 03:10:44 PM, Thomas Chou wrote: > As the virtual address and physical address mapping of nios2 with > MMU are different. Add a check of MMU, and fix the mapping. > > Signed-off-by: Thomas Chou <[email protected]> > --- > arch/nios2/include/asm/io.h | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) > > diff --git a/arch/nios2/include/asm/io.h b/arch/nios2/include/asm/io.h > index d0adf08..fdfc14e 100644 > --- a/arch/nios2/include/asm/io.h > +++ b/arch/nios2/include/asm/io.h > @@ -39,7 +39,11 @@ static inline void unmap_physmem(void *vaddr, unsigned > long flags) > > static inline phys_addr_t virt_to_phys(void * vaddr) > { > - return (phys_addr_t)(vaddr); > + DECLARE_GLOBAL_DATA_PTR; > + if (gd->arch.has_mmu) > + return (phys_addr_t)(vaddr) & 0x1fffffff; > + else > + return (phys_addr_t)(vaddr) & 0x7fffffff;
I _think_ the parenthesis around vaddr are not necessary, but otherwise, I really like to see this patch: Acked-by: Marek Vasut <[email protected]> > } > > static inline void *ioremap(unsigned long physaddr, unsigned long size) Best regards, Marek Vasut _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
