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60 lines
1.8 KiB
Diff
60 lines
1.8 KiB
Diff
From 2dcd28f7b4f5b92686da45f4ec46802026fb8573 Mon Sep 17 00:00:00 2001
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From: Roy Pledge <Roy.Pledge@freescale.com>
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Date: Mon, 11 Jul 2016 14:34:59 +0800
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Subject: [PATCH 24/70] Add APIs to setup HugeTLB mappings for USDPAA
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commit 189653d40d5dc41b8bd4cfb61f766bd8a89b1e34
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[context adjustment]
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Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
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---
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arch/powerpc/mm/fsl_booke_mmu.c | 14 +++++++++++++-
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arch/powerpc/mm/mmu_decl.h | 6 ++++++
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2 files changed, 19 insertions(+), 1 deletion(-)
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--- a/arch/powerpc/mm/fsl_booke_mmu.c
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+++ b/arch/powerpc/mm/fsl_booke_mmu.c
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@@ -105,7 +105,7 @@ unsigned long p_mapped_by_tlbcam(phys_ad
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* an unsigned long (for example, 32-bit implementations cannot support a 4GB
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* size).
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*/
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-static void settlbcam(int index, unsigned long virt, phys_addr_t phys,
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+void settlbcam(int index, unsigned long virt, phys_addr_t phys,
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unsigned long size, unsigned long flags, unsigned int pid)
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{
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unsigned int tsize;
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@@ -143,6 +143,18 @@ static void settlbcam(int index, unsigne
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tlbcam_addrs[index].phys = phys;
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}
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+void cleartlbcam(unsigned long virt, unsigned int pid)
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+{
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+ int i = 0;
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+ for (i = 0; i < NUM_TLBCAMS; i++) {
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+ if (tlbcam_addrs[i].start == virt) {
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+ TLBCAM[i].MAS1 = 0;
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+ loadcam_entry(i);
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+ return;
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+ }
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+ }
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+}
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+
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unsigned long calc_cam_sz(unsigned long ram, unsigned long virt,
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phys_addr_t phys)
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{
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--- a/arch/powerpc/mm/mmu_decl.h
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+++ b/arch/powerpc/mm/mmu_decl.h
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@@ -91,6 +91,12 @@ extern void _tlbia(void);
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#endif /* CONFIG_PPC_MMU_NOHASH */
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+void settlbcam(int index, unsigned long virt, phys_addr_t phys,
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+ unsigned long size, unsigned long flags, unsigned int pid);
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+
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+void cleartlbcam(unsigned long virt, unsigned int pid);
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+
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+
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#ifdef CONFIG_PPC32
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extern void mapin_ram(void);
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