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author | Tejun Heo <tj@kernel.org> | 2010-04-05 11:37:28 +0900 |
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committer | Tejun Heo <tj@kernel.org> | 2010-04-05 11:37:28 +0900 |
commit | 336f5899d287f06d8329e208fc14ce50f7ec9698 (patch) | |
tree | 9b762d450d5eb248a6ff8317badb7e223d93ed58 /arch/sh/mm/tlb-sh3.c | |
parent | a4ab2773205e8b94c18625455f85e3b6bb9d7ad6 (diff) | |
parent | db217dece3003df0841bacf9556b5c06aa097dae (diff) | |
download | op-kernel-dev-336f5899d287f06d8329e208fc14ce50f7ec9698.zip op-kernel-dev-336f5899d287f06d8329e208fc14ce50f7ec9698.tar.gz |
Merge branch 'master' into export-slabh
Diffstat (limited to 'arch/sh/mm/tlb-sh3.c')
-rw-r--r-- | arch/sh/mm/tlb-sh3.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/sh/mm/tlb-sh3.c b/arch/sh/mm/tlb-sh3.c index 4f5f7cb..7a940db 100644 --- a/arch/sh/mm/tlb-sh3.c +++ b/arch/sh/mm/tlb-sh3.c @@ -77,3 +77,22 @@ void local_flush_tlb_one(unsigned long asid, unsigned long page) for (i = 0; i < ways; i++) __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); +} |