diff options
Diffstat (limited to 'arch/arm/include/asm')
| -rw-r--r-- | arch/arm/include/asm/hardware/arm_timer.h | 5 | ||||
| -rw-r--r-- | arch/arm/include/asm/tlb.h | 10 |
2 files changed, 14 insertions, 1 deletions
diff --git a/arch/arm/include/asm/hardware/arm_timer.h b/arch/arm/include/asm/hardware/arm_timer.h index c0f4e7bf22de..d6030ff599db 100644 --- a/arch/arm/include/asm/hardware/arm_timer.h +++ b/arch/arm/include/asm/hardware/arm_timer.h @@ -9,7 +9,12 @@ * * Integrator AP has 16-bit timers, Integrator CP, Versatile and Realview * can have 16-bit or 32-bit selectable via a bit in the control register. + * + * Every SP804 contains two identical timers. */ +#define TIMER_1_BASE 0x00 +#define TIMER_2_BASE 0x20 + #define TIMER_LOAD 0x00 /* ACVR rw */ #define TIMER_VALUE 0x04 /* ACVR ro */ #define TIMER_CTRL 0x08 /* ACVR rw */ diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h index 5d3ed7e38561..314d4664eae7 100644 --- a/arch/arm/include/asm/tlb.h +++ b/arch/arm/include/asm/tlb.h @@ -198,7 +198,15 @@ static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, unsigned long addr) { pgtable_page_dtor(pte); - tlb_add_flush(tlb, addr); + + /* + * With the classic ARM MMU, a pte page has two corresponding pmd + * entries, each covering 1MB. + */ + addr &= PMD_MASK; + tlb_add_flush(tlb, addr + SZ_1M - PAGE_SIZE); + tlb_add_flush(tlb, addr + SZ_1M); + tlb_remove_page(tlb, pte); } |