From 6503fe4a6508673c15a509ec4ac3ca5979ae9593 Mon Sep 17 00:00:00 2001 From: Michael Trimarchi Date: Thu, 20 Aug 2009 13:27:44 +0900 Subject: sh: Better description of SH-4 PTEA register update. Signed-off-by: Michael Trimarchi Signed-off-by: Paul Mundt --- arch/sh/include/asm/pgtable_32.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'arch/sh/include') diff --git a/arch/sh/include/asm/pgtable_32.h b/arch/sh/include/asm/pgtable_32.h index 0db19db913c7..4c4429cda56d 100644 --- a/arch/sh/include/asm/pgtable_32.h +++ b/arch/sh/include/asm/pgtable_32.h @@ -87,6 +87,14 @@ #define _PAGE_PCC_ATR8 0x60000000 /* Attribute Memory space, 8 bit bus */ #define _PAGE_PCC_ATR16 0x60000001 /* Attribute Memory space, 6 bit bus */ +#ifndef CONFIG_X2TLB +/* copy the ptea attributes */ +static inline unsigned long copy_ptea_attributes(unsigned long x) +{ + return ((x >> 28) & 0xe) | (x & 0x1); +} +#endif + /* Mask which drops unused bits from the PTEL value */ #if defined(CONFIG_CPU_SH3) #define _PAGE_CLEAR_FLAGS (_PAGE_PROTNONE | _PAGE_ACCESSED| \ -- cgit v1.2.1