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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-09-06 21:47:54 +0200 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-10-01 17:40:58 +0200 |
| commit | 9e8b5199a753a2583a8ef8360e6428304a242283 (patch) | |
| tree | cfd065b410dd5fe5c14843b71368e0916a496739 /arch/arm/mm/proc-xsc3.S | |
| parent | [ARM] Introduce new PTE memory type bits (diff) | |
| download | linux-9e8b5199a753a2583a8ef8360e6428304a242283.tar.xz linux-9e8b5199a753a2583a8ef8360e6428304a242283.zip | |
[ARM] Convert Xscale and Xscale3 to use new memory types
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mm/proc-xsc3.S')
| -rw-r--r-- | arch/arm/mm/proc-xsc3.S | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/arch/arm/mm/proc-xsc3.S b/arch/arm/mm/proc-xsc3.S index ad1ce5a89221..96e47fc7fd6f 100644 --- a/arch/arm/mm/proc-xsc3.S +++ b/arch/arm/mm/proc-xsc3.S @@ -347,16 +347,36 @@ ENTRY(cpu_xsc3_switch_mm) * 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 0x00 @ L_PTE_MT_DEV_SHARED2 + .long 0x00 @ L_PTE_MT_MINICACHE (not present) + .long PTE_EXT_TEX(5) | PTE_CACHEABLE | PTE_BUFFERABLE @ L_PTE_MT_WRITEALLOC (not present?) + .long PTE_EXT_TEX(1) @ L_PTE_MT_DEV_WC2 + .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 0x00 @ L_PTE_MT_DEV_IXP2000 (not present) + .long 0x00 @ unused + .long 0x00 @ unused + .align 5 ENTRY(cpu_xsc3_set_pte_ext) xscale_set_pte_ext_prologue - @ If it's cacheable, it needs to be in L2 also. - tst r1, #L_PTE_CACHEABLE - orrne r2, r2, #PTE_EXT_TEX(0x5) - tst r1, #L_PTE_SHARED @ shared? - orrne r2, r2, #0x200 + and r1, r1, #L_PTE_MT_MASK + adr ip, cpu_xsc3_mt_table + ldr ip, [ip, r1] + orrne r2, r2, #PTE_EXT_COHERENT @ interlock: mask in coherent bit + bic r2, r2, #0x0c @ clear old C,B bits + orr r2, r2, ip xscale_set_pte_ext_epilogue mov pc, lr |