diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/include/asm/system.h | 13 | ||||
| -rw-r--r-- | arch/arm/lib/cache.c | 4 |
2 files changed, 15 insertions, 2 deletions
diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h index ce552944b70..5fe83699f43 100644 --- a/arch/arm/include/asm/system.h +++ b/arch/arm/include/asm/system.h @@ -628,7 +628,18 @@ void mmu_set_region_dcache_behaviour(phys_addr_t start, size_t size, enum dcache_option option); #ifdef CONFIG_SYS_NONCACHED_MEMORY -void noncached_init(void); +/** + * noncached_init() - Initialize non-cached memory region + * + * Initialize non-cached memory area. This memory region will be typically + * located right below the malloc() area and mapped uncached in the MMU. + * + * It is called during the generic post-relocation init sequence. + * + * Return: 0 if OK + */ +int noncached_init(void); + phys_addr_t noncached_alloc(size_t size, size_t align); #endif /* CONFIG_SYS_NONCACHED_MEMORY */ diff --git a/arch/arm/lib/cache.c b/arch/arm/lib/cache.c index ee7d14b2d31..bdde9cdad5d 100644 --- a/arch/arm/lib/cache.c +++ b/arch/arm/lib/cache.c @@ -86,7 +86,7 @@ void noncached_set_region(void) #endif } -void noncached_init(void) +int noncached_init(void) { phys_addr_t start, end; size_t size; @@ -103,6 +103,8 @@ void noncached_init(void) noncached_next = start; noncached_set_region(); + + return 0; } phys_addr_t noncached_alloc(size_t size, size_t align) |