[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 <rmk+kernel@arm.linux.org.uk>
这个提交包含在:
Russell King
2008-09-07 12:36:46 +01:00
提交者 Russell King
父节点 40d192b63d
当前提交 40df2d1d85
修改 2 个文件,包含 7 行新增9 行删除

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@@ -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