From: Russell King Date: Sun, 7 Sep 2008 11:36:46 +0000 (+0100) Subject: [ARM] Update Xscale and Xscale3 PTE mappings X-Git-Tag: v2.6.28-rc1~293^2~8^2~4 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=40df2d1d8538865341a4cb9d4b7a375296517ad2;p=linux-2.6-omap-h63xx.git [ARM] Update Xscale and Xscale3 PTE mappings Use 'shared device' mappings for devices, and use the standard bit combinations for Xscale3. Signed-off-by: Russell King --- diff --git a/arch/arm/mm/proc-xsc3.S b/arch/arm/mm/proc-xsc3.S index 9c5318e476f..22ecef533a8 100644 --- a/arch/arm/mm/proc-xsc3.S +++ b/arch/arm/mm/proc-xsc3.S @@ -345,23 +345,21 @@ ENTRY(cpu_xsc3_switch_mm) * cpu_xsc3_set_pte_ext(ptep, pte, ext) * * Set a PTE and flush it out - * */ - cpu_xsc3_mt_table: .long 0x00 @ L_PTE_MT_UNCACHED - .long PTE_BUFFERABLE @ L_PTE_MT_BUFFERABLE - .long PTE_EXT_TEX(5) | PTE_CACHEABLE @ L_PTE_MT_WRITETHROUGH - .long PTE_EXT_TEX(5) | PTE_CACHEABLE | PTE_BUFFERABLE @ L_PTE_MT_WRITEBACK - .long 0x00 @ L_PTE_MT_DEV_SHARED + .long PTE_EXT_TEX(1) @ L_PTE_MT_BUFFERABLE + .long PTE_CACHEABLE @ L_PTE_MT_WRITETHROUGH + .long PTE_CACHEABLE | PTE_BUFFERABLE @ L_PTE_MT_WRITEBACK + .long PTE_EXT_TEX(1) | PTE_BUFFERABLE @ L_PTE_MT_DEV_SHARED .long 0x00 @ unused .long 0x00 @ L_PTE_MT_MINICACHE (not present) .long PTE_EXT_TEX(5) | PTE_CACHEABLE | PTE_BUFFERABLE @ L_PTE_MT_WRITEALLOC (not present?) .long 0x00 @ unused .long PTE_EXT_TEX(1) @ L_PTE_MT_DEV_WC .long 0x00 @ unused - .long PTE_EXT_TEX(5) | PTE_CACHEABLE | PTE_BUFFERABLE @ L_PTE_MT_DEV_CACHED - .long 0x00 @ L_PTE_MT_DEV_NONSHARED + .long PTE_CACHEABLE | PTE_BUFFERABLE @ L_PTE_MT_DEV_CACHED + .long PTE_EXT_TEX(2) @ L_PTE_MT_DEV_NONSHARED .long 0x00 @ L_PTE_MT_DEV_IXP2000 (not present) .long 0x00 @ unused .long 0x00 @ unused diff --git a/arch/arm/mm/proc-xscale.S b/arch/arm/mm/proc-xscale.S index 1e0c3bb1905..534b4be86ae 100644 --- a/arch/arm/mm/proc-xscale.S +++ b/arch/arm/mm/proc-xscale.S @@ -434,7 +434,7 @@ cpu_xscale_mt_table: .long PTE_BUFFERABLE @ L_PTE_MT_BUFFERABLE .long PTE_CACHEABLE @ L_PTE_MT_WRITETHROUGH .long PTE_CACHEABLE | PTE_BUFFERABLE @ L_PTE_MT_WRITEBACK - .long 0x00 @ L_PTE_MT_DEV_SHARED + .long PTE_EXT_TEX(1) | PTE_BUFFERABLE @ L_PTE_MT_DEV_SHARED .long 0x00 @ unused .long PTE_EXT_TEX(1) | PTE_CACHEABLE @ L_PTE_MT_MINICACHE .long PTE_EXT_TEX(1) | PTE_CACHEABLE | PTE_BUFFERABLE @ L_PTE_MT_WRITEALLOC