X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Farm%2Fmm%2Fproc-arm1022.S;h=566a5565307241313e4b244bc133df0c7755b4da;hb=05668381140309088443bf5dc53add4104610fbb;hp=6ca639094d6fc9f59aa3493180453062e9bbadb3;hpb=a1e78db3f54d3481726ed2d3d58d8ad5b19b13d0;p=pandora-kernel.git diff --git a/arch/arm/mm/proc-arm1022.S b/arch/arm/mm/proc-arm1022.S index 6ca639094d6f..566a55653072 100644 --- a/arch/arm/mm/proc-arm1022.S +++ b/arch/arm/mm/proc-arm1022.S @@ -3,6 +3,7 @@ * * Copyright (C) 2000 ARM Limited * Copyright (C) 2000 Deep Blue Solutions Ltd. + * 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 as published by @@ -14,10 +15,10 @@ * functions on the ARM1022E. */ #include -#include #include #include #include +#include #include #include #include @@ -89,7 +90,9 @@ ENTRY(cpu_arm1022_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........ @@ -332,6 +335,7 @@ ENTRY(cpu_arm1022_dcache_clean_area) */ .align 5 ENTRY(cpu_arm1022_switch_mm) +#ifdef CONFIG_MMU #ifndef CONFIG_CPU_DCACHE_DISABLE mov r1, #(CACHE_DSEGMENTS - 1) << 5 @ 16 segments 1: orr r3, r1, #(CACHE_DENTRIES - 1) << 26 @ 64 entries @@ -348,6 +352,7 @@ ENTRY(cpu_arm1022_switch_mm) mcr p15, 0, r1, c7, c10, 4 @ drain WB mcr p15, 0, r0, c2, c0, 0 @ load page table pointer mcr p15, 0, r1, c8, c7, 0 @ invalidate I & D TLBs +#endif mov pc, lr /* @@ -357,6 +362,7 @@ ENTRY(cpu_arm1022_switch_mm) */ .align 5 ENTRY(cpu_arm1022_set_pte) +#ifdef CONFIG_MMU str r1, [r0], #-2048 @ linux version eor r1, r1, #L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_WRITE | L_PTE_DIRTY @@ -384,6 +390,7 @@ ENTRY(cpu_arm1022_set_pte) #ifndef CONFIG_CPU_DCACHE_DISABLE mcr p15, 0, r0, c7, c10, 1 @ clean D entry #endif +#endif /* CONFIG_MMU */ mov pc, lr __INIT @@ -393,12 +400,14 @@ __arm1022_setup: mov r0, #0 mcr p15, 0, r0, c7, c7 @ invalidate I,D caches on v4 mcr p15, 0, r0, c7, c10, 4 @ drain write buffer on v4 +#ifdef CONFIG_MMU mcr p15, 0, r0, c8, c7 @ invalidate I,D TLBs on v4 +#endif + adr r5, arm1022_crval + ldmia r5, {r5, r6} mrc p15, 0, r0, c1, c0 @ get control register v4 - ldr r5, arm1022_cr1_clear bic r0, r0, r5 - ldr r5, arm1022_cr1_set - orr r0, r0, r5 + orr r0, r0, r6 #ifdef CONFIG_CPU_CACHE_ROUND_ROBIN orr r0, r0, #0x4000 @ .R.............. #endif @@ -411,12 +420,9 @@ __arm1022_setup: * .011 1001 ..11 0101 * */ - .type arm1022_cr1_clear, #object - .type arm1022_cr1_set, #object -arm1022_cr1_clear: - .word 0x7f3f -arm1022_cr1_set: - .word 0x3935 + .type arm1022_crval, #object +arm1022_crval: + crval clear=0x00007f3f, mmuset=0x00003935, ucset=0x00001930 __INITDATA @@ -450,25 +456,7 @@ cpu_elf_name: .type cpu_arm1022_name, #object cpu_arm1022_name: - .ascii "arm1022" -#ifndef CONFIG_CPU_ICACHE_DISABLE - .ascii "i" -#endif -#ifndef CONFIG_CPU_DCACHE_DISABLE - .ascii "d" -#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH - .ascii "(wt)" -#else - .ascii "(wb)" -#endif -#endif -#ifndef CONFIG_CPU_BPREDICT_DISABLE - .ascii "B" -#endif -#ifdef CONFIG_CPU_CACHE_ROUND_ROBIN - .ascii "RR" -#endif - .ascii "\0" + .asciz "ARM1022" .size cpu_arm1022_name, . - cpu_arm1022_name .align @@ -479,6 +467,10 @@ cpu_arm1022_name: __arm1022_proc_info: .long 0x4105a220 @ ARM 1022E (v5TE) .long 0xff0ffff0 + .long PMD_TYPE_SECT | \ + PMD_BIT4 | \ + PMD_SECT_AP_WRITE | \ + PMD_SECT_AP_READ .long PMD_TYPE_SECT | \ PMD_BIT4 | \ PMD_SECT_AP_WRITE | \