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| author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2018-06-14 21:21:02 -0700 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2018-06-18 08:59:04 +0200 |
| commit | 9fe4ab90d0c8aab15fee9de78a804dd2d564f180 (patch) | |
| tree | 67509b63a75da5e72b3e93a2f2817bc9db8a71d0 /arch/arm/cpu/mmu.c | |
| parent | b1f7b45ba88ea27529e4188f58f266adb54d700d (diff) | |
| download | barebox-9fe4ab90d0c8aab15fee9de78a804dd2d564f180.tar.gz barebox-9fe4ab90d0c8aab15fee9de78a804dd2d564f180.tar.xz | |
ARM: mmu: psci: Make use of get_ttbr()
Introduce a simple inline function to get TTBR and use it in mmu.c and
sm.c
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/cpu/mmu.c')
| -rw-r--r-- | arch/arm/cpu/mmu.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/arm/cpu/mmu.c b/arch/arm/cpu/mmu.c index 7e2e5bf7e0..9e765514dc 100644 --- a/arch/arm/cpu/mmu.c +++ b/arch/arm/cpu/mmu.c @@ -453,10 +453,8 @@ static int mmu_init(void) * Early MMU code has already enabled the MMU. We assume a * flat 1:1 section mapping in this case. */ - asm volatile ("mrc p15,0,%0,c2,c0,0" : "=r"(ttb)); - /* Clear unpredictable bits [13:0] */ - ttb = (uint32_t *)((unsigned long)ttb & ~0x3fff); + ttb = (uint32_t *)(get_ttbr() & ~0x3fff); if (!request_sdram_region("ttb", (unsigned long)ttb, SZ_16K)) /* |