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Commit eddeeb32 authored by Stuart Menefy's avatar Stuart Menefy Committed by Paul Mundt
Browse files

sh: Invalidate the TLB after applying PMB mappings. 



Signed-off-by: default avatarStuart Menefy <stuart.menefy@st.com>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 7a2eacb7

arch/sh/mm/pmb.c

+6 −0
Original line number Diff line number Diff line
@@ -27,6 +27,7 @@ 
#include <asm/pgtable.h>

#include <asm/mmu.h>

#include <asm/io.h>

#include <asm/mmu_context.h>



#define NR_PMB_ENTRIES	16
@@ -329,6 +330,11 @@ static int __init pmb_init(void) 
	/* PMB.SE and UB[7] */

	ctrl_outl((1 << 31) | (1 << 7), PMB_PASCR);



	/* Flush out the TLB */

	i =  ctrl_inl(MMUCR);

	i |= MMUCR_TI;

	ctrl_outl(i, MMUCR);



	back_to_P1();



	return 0;

include/asm-sh/cpu-sh4/mmu_context.h

+2 −0
Original line number Diff line number Diff line
@@ -22,6 +22,8 @@ 
#define MMU_UTLB_ADDRESS_ARRAY	0xF6000000

#define MMU_PAGE_ASSOC_BIT	0x80



#define MMUCR_TI		(1<<2)



#ifdef CONFIG_X2TLB

#define MMUCR_ME		(1 << 7)

#else