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| author | Thomas Chou <thomas@wytron.com.tw> | 2015-10-27 09:02:17 +0800 |
|---|---|---|
| committer | Thomas Chou <thomas@wytron.com.tw> | 2015-11-06 09:14:11 +0800 |
| commit | 2de4823dc0424923a6d6070a7378a7bf6ee67556 (patch) | |
| tree | d1f7dd706b76f4897b83f7a5de32b6e27f766962 /arch/nios2/cpu/cpu.c | |
| parent | 1cda48f333acd0f822720275730de0e6a6591a75 (diff) | |
| download | blackbird-obmc-uboot-2de4823dc0424923a6d6070a7378a7bf6ee67556.tar.gz blackbird-obmc-uboot-2de4823dc0424923a6d6070a7378a7bf6ee67556.zip | |
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>
Diffstat (limited to 'arch/nios2/cpu/cpu.c')
| -rw-r--r-- | arch/nios2/cpu/cpu.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/nios2/cpu/cpu.c b/arch/nios2/cpu/cpu.c index 88c4e184ee..f6d5cd399a 100644 --- a/arch/nios2/cpu/cpu.c +++ b/arch/nios2/cpu/cpu.c @@ -119,6 +119,7 @@ static int altera_nios2_probe(struct udevice *dev) "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; } |
