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Diffstat (limited to 'arch/sh/mm/tlb-sh3.c')
-rw-r--r--arch/sh/mm/tlb-sh3.c25
1 files changed, 22 insertions, 3 deletions
diff --git a/arch/sh/mm/tlb-sh3.c b/arch/sh/mm/tlb-sh3.c
index ace8e6d2f59..7a940dbfc2e 100644
--- a/arch/sh/mm/tlb-sh3.c
+++ b/arch/sh/mm/tlb-sh3.c
@@ -41,14 +41,14 @@ void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte)
/* Set PTEH register */
vpn = (address & MMU_VPN_MASK) | get_asid();
- ctrl_outl(vpn, MMU_PTEH);
+ __raw_writel(vpn, MMU_PTEH);
pteval = pte_val(pte);
/* Set PTEL register */
pteval &= _PAGE_FLAGS_HARDWARE_MASK; /* drop software flags */
/* conveniently, we want all the software flags to be 0 anyway */
- ctrl_outl(pteval, MMU_PTEL);
+ __raw_writel(pteval, MMU_PTEL);
/* Load the TLB */
asm volatile("ldtlb": /* no output */ : /* no input */ : "memory");
@@ -75,5 +75,24 @@ void local_flush_tlb_one(unsigned long asid, unsigned long page)
}
for (i = 0; i < ways; i++)
- ctrl_outl(data, addr + (i << 8));
+ __raw_writel(data, addr + (i << 8));
+}
+
+void local_flush_tlb_all(void)
+{
+ unsigned long flags, status;
+
+ /*
+ * Flush all the TLB.
+ *
+ * Write to the MMU control register's bit:
+ * TF-bit for SH-3, TI-bit for SH-4.
+ * It's same position, bit #2.
+ */
+ local_irq_save(flags);
+ status = __raw_readl(MMUCR);
+ status |= 0x04;
+ __raw_writel(status, MMUCR);
+ ctrl_barrier();
+ local_irq_restore(flags);
}