Pull video into test branch

[linux-drm-fsl-dcu.git] / arch / arm / mm / proc-sa110.S

diff --git a/arch/arm/mm/proc-sa110.S b/arch/arm/mm/proc-sa110.S
index a2dd5ae1077dda0c5257a768a6d69c880c0781af..6e226e12989f8737b8e11af5f792491bdc2354fc 100644 (file)
--- a/arch/arm/mm/proc-sa110.S
+++ b/arch/arm/mm/proc-sa110.S
@@ -2,6 +2,7 @@
  *  linux/arch/arm/mm/proc-sa110.S
  *
  *  Copyright (C) 1997-2002 Russell King
+ *  hacked for non-paged-MM by Hyok S. Choi, 2003.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -16,12 +17,14 @@
 #include <linux/init.h>
 #include <asm/assembler.h>
 #include <asm/asm-offsets.h>
-#include <asm/procinfo.h>
+#include <asm/elf.h>
 #include <asm/hardware.h>
 #include <asm/pgtable-hwdef.h>
 #include <asm/pgtable.h>
 #include <asm/ptrace.h>
 
+#include "proc-macros.S"
+
 /*
  * the cache line size of the I and D cache
  */
@@ -67,7 +70,9 @@ ENTRY(cpu_sa110_reset)
        mov     ip, #0
        mcr     p15, 0, ip, c7, c7, 0           @ invalidate I,D caches
        mcr     p15, 0, ip, c7, c10, 4          @ drain WB
+#ifdef CONFIG_MMU
        mcr     p15, 0, ip, c8, c7, 0           @ invalidate I & D TLBs
+#endif
        mrc     p15, 0, ip, c1, c0, 0           @ ctrl register
        bic     ip, ip, #0x000f                 @ ............wcam
        bic     ip, ip, #0x1100                 @ ...i...s........
@@ -130,19 +135,24 @@ ENTRY(cpu_sa110_dcache_clean_area)
  */
        .align  5
 ENTRY(cpu_sa110_switch_mm)
+#ifdef CONFIG_MMU
        str     lr, [sp, #-4]!
        bl      v4wb_flush_kern_cache_all       @ clears IP
        mcr     p15, 0, r0, c2, c0, 0           @ load page table pointer
        mcr     p15, 0, ip, c8, c7, 0           @ invalidate I & D TLBs
        ldr     pc, [sp], #4
+#else
+       mov     pc, lr
+#endif
 
 /*
- * cpu_sa110_set_pte(ptep, pte)
+ * cpu_sa110_set_pte_ext(ptep, pte, ext)
  *
  * Set a PTE and flush it out
  */
        .align  5
-ENTRY(cpu_sa110_set_pte)
+ENTRY(cpu_sa110_set_pte_ext)
+#ifdef CONFIG_MMU
        str     r1, [r0], #-2048                @ linux version
 
        eor     r1, r1, #L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_WRITE | L_PTE_DIRTY
@@ -164,6 +174,7 @@ ENTRY(cpu_sa110_set_pte)
        mov     r0, r0
        mcr     p15, 0, r0, c7, c10, 1          @ clean D entry
        mcr     p15, 0, r0, c7, c10, 4          @ drain WB
+#endif
        mov     pc, lr
 
        __INIT
@@ -173,12 +184,15 @@ __sa110_setup:
        mov     r10, #0
        mcr     p15, 0, r10, c7, c7             @ invalidate I,D caches on v4
        mcr     p15, 0, r10, c7, c10, 4         @ drain write buffer on v4
+#ifdef CONFIG_MMU
        mcr     p15, 0, r10, c8, c7             @ invalidate I,D TLBs on v4
+#endif
+
+       adr     r5, sa110_crval
+       ldmia   r5, {r5, r6}
        mrc     p15, 0, r0, c1, c0              @ get control register v4
-       ldr     r5, sa110_cr1_clear
        bic     r0, r0, r5
-       ldr     r5, sa110_cr1_set
-       orr     r0, r0, r5
+       orr     r0, r0, r6
        mov     pc, lr
        .size   __sa110_setup, . - __sa110_setup
 
@@ -188,12 +202,9 @@ __sa110_setup:
         * ..01 0001 ..11 1101
         * 
         */
-       .type   sa110_cr1_clear, #object
-       .type   sa110_cr1_set, #object
-sa110_cr1_clear:
-       .word   0x3f3f
-sa110_cr1_set:
-       .word   0x113d
+       .type   sa110_crval, #object
+sa110_crval:
+       crval   clear=0x00003f3f, mmuset=0x0000113d, ucset=0x00001130
 
        __INITDATA
 
@@ -211,7 +222,7 @@ ENTRY(sa110_processor_functions)
        .word   cpu_sa110_do_idle
        .word   cpu_sa110_dcache_clean_area
        .word   cpu_sa110_switch_mm
-       .word   cpu_sa110_set_pte
+       .word   cpu_sa110_set_pte_ext
        .size   sa110_processor_functions, . - sa110_processor_functions
 
        .section ".rodata"
@@ -244,6 +255,9 @@ __sa110_proc_info:
                PMD_SECT_CACHEABLE | \
                PMD_SECT_AP_WRITE | \
                PMD_SECT_AP_READ
+       .long   PMD_TYPE_SECT | \
+               PMD_SECT_AP_WRITE | \
+               PMD_SECT_AP_READ
        b       __sa110_setup
        .long   cpu_arch_name
        .long   cpu_elf_name