nios2: change virt_to_phys to use physaddr_mask in global data
As virt_to_phys() is used a lot in DMA transfer, change it
to use physaddr_mask in global data. This will save an "if"
statement and get a little faster.
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Acked-by: Marek Vasut <marex@denx.de>
diff --git a/arch/nios2/cpu/cpu.c b/arch/nios2/cpu/cpu.c
index 88c4e18..f6d5cd3 100644
--- a/arch/nios2/cpu/cpu.c
+++ b/arch/nios2/cpu/cpu.c
@@ -119,6 +119,7 @@
"altr,has-mmu", 0);
gd->arch.io_region_base = gd->arch.has_mmu ? 0xe0000000 : 0x80000000;
gd->arch.mem_region_base = gd->arch.has_mmu ? 0xc0000000 : 0x00000000;
+ gd->arch.physaddr_mask = gd->arch.has_mmu ? 0x1fffffff : 0x7fffffff;
return 0;
}