diff options
Diffstat (limited to 'arch/mips/include/asm/system.h')
-rw-r--r-- | arch/mips/include/asm/system.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/mips/include/asm/system.h b/arch/mips/include/asm/system.h index 79e638844b..89a2ac209f 100644 --- a/arch/mips/include/asm/system.h +++ b/arch/mips/include/asm/system.h @@ -282,4 +282,24 @@ static inline void instruction_hazard_barrier(void) : "=&r"(tmp)); } +#ifdef CONFIG_SYS_NONCACHED_MEMORY +/* 1MB granularity */ +#define MMU_SECTION_SHIFT 20 +#define MMU_SECTION_SIZE (1 << MMU_SECTION_SHIFT) + +/** + * 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 be accessed from KSEG1. + * + * 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 */ + #endif /* _ASM_SYSTEM_H */ |