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| author | Raphael Poggi <poggi.raph@gmail.com> | 2016-07-04 13:52:47 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2016-07-06 11:23:48 +0200 |
| commit | 928cc6f4ee1c162d8d90e40443f37fcc933ab84f (patch) | |
| tree | eb3a47e0d78db9c81aa68e3a6819fcb2de643c9b /arch/arm/cpu/cache.c | |
| parent | e1287b1a8b27d366f459e890fb260deea2906749 (diff) | |
| download | barebox-928cc6f4ee1c162d8d90e40443f37fcc933ab84f.tar.gz barebox-928cc6f4ee1c162d8d90e40443f37fcc933ab84f.tar.xz | |
arm: cpu: add arm64 specific code
This patch adds arm64 specific codes, which are:
- exception support
- cache support
- rework Makefile to support arm64
Signed-off-by: Raphael Poggi <poggi.raph@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/cpu/cache.c')
| -rw-r--r-- | arch/arm/cpu/cache.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm/cpu/cache.c b/arch/arm/cpu/cache.c index 27ead1c177..929c385df5 100644 --- a/arch/arm/cpu/cache.c +++ b/arch/arm/cpu/cache.c @@ -36,6 +36,7 @@ DEFINE_CPU_FNS(v4) DEFINE_CPU_FNS(v5) DEFINE_CPU_FNS(v6) DEFINE_CPU_FNS(v7) +DEFINE_CPU_FNS(v8) void __dma_clean_range(unsigned long start, unsigned long end) { @@ -101,6 +102,11 @@ int arm_set_cache_functions(void) cache_fns = &cache_fns_armv7; break; #endif +#ifdef CONFIG_CPU_64v8 + case CPU_ARCH_ARMv8: + cache_fns = &cache_fns_armv8; + break; +#endif default: while(1); } @@ -138,6 +144,11 @@ void arm_early_mmu_cache_flush(void) v7_mmu_cache_flush(); return; #endif +#ifdef CONFIG_CPU_64v8 + case CPU_ARCH_ARMv8: + v8_dcache_all(); + return; +#endif } } @@ -146,6 +157,7 @@ void v7_mmu_cache_invalidate(void); void arm_early_mmu_cache_invalidate(void) { switch (arm_early_get_cpu_architecture()) { +#if __LINUX_ARM_ARCH__ <= 7 case CPU_ARCH_ARMv4T: case CPU_ARCH_ARMv5: case CPU_ARCH_ARMv5T: @@ -159,5 +171,12 @@ void arm_early_mmu_cache_invalidate(void) v7_mmu_cache_invalidate(); return; #endif +#else +#ifdef CONFIG_CPU_64v8 + case CPU_ARCH_ARMv8: + v8_invalidate_icache_all(); + return; +#endif +#endif } } |