2006-09-26 02:38:05 -06:00
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/*
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* linux/arch/arm/mm/proc-arm9tdmi.S: utility functions for ARM9TDMI
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*
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* Copyright (C) 2003-2006 Hyok S. Choi <hyok.choi@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#include <linux/linkage.h>
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#include <linux/init.h>
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#include <asm/assembler.h>
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#include <asm/asm-offsets.h>
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2008-09-07 12:15:31 -06:00
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#include <asm/hwcap.h>
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2006-09-26 02:38:05 -06:00
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#include <asm/pgtable-hwdef.h>
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#include <asm/pgtable.h>
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#include <asm/ptrace.h>
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.text
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/*
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* cpu_arm9tdmi_proc_init()
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* cpu_arm9tdmi_do_idle()
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* cpu_arm9tdmi_dcache_clean_area()
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* cpu_arm9tdmi_switch_mm()
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*
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* These are not required.
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*/
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ENTRY(cpu_arm9tdmi_proc_init)
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ENTRY(cpu_arm9tdmi_do_idle)
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ENTRY(cpu_arm9tdmi_dcache_clean_area)
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ENTRY(cpu_arm9tdmi_switch_mm)
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mov pc, lr
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/*
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* cpu_arm9tdmi_proc_fin()
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*/
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ENTRY(cpu_arm9tdmi_proc_fin)
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mov r0, #PSR_F_BIT | PSR_I_BIT | SVC_MODE
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msr cpsr_c, r0
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mov pc, lr
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/*
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* Function: cpu_arm9tdmi_reset(loc)
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* Params : loc(r0) address to jump to
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* Purpose : Sets up everything for a reset and jump to the location for soft reset.
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*/
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ENTRY(cpu_arm9tdmi_reset)
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mov pc, r0
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__INIT
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.type __arm9tdmi_setup, #function
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__arm9tdmi_setup:
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mov pc, lr
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.size __arm9tdmi_setup, . - __arm9tdmi_setup
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__INITDATA
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/*
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* Purpose : Function pointers used to access above functions - all calls
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* come through these
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*/
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.type arm9tdmi_processor_functions, #object
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ENTRY(arm9tdmi_processor_functions)
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.word nommu_early_abort
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.word legacy_pabort
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.word cpu_arm9tdmi_proc_init
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.word cpu_arm9tdmi_proc_fin
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.word cpu_arm9tdmi_reset
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.word cpu_arm9tdmi_do_idle
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.word cpu_arm9tdmi_dcache_clean_area
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.word cpu_arm9tdmi_switch_mm
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.word 0 @ cpu_*_set_pte
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.size arm9tdmi_processor_functions, . - arm9tdmi_processor_functions
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.section ".rodata"
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.type cpu_arch_name, #object
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cpu_arch_name:
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.asciz "armv4t"
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.size cpu_arch_name, . - cpu_arch_name
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.type cpu_elf_name, #object
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cpu_elf_name:
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.asciz "v4"
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.size cpu_elf_name, . - cpu_elf_name
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.type cpu_arm9tdmi_name, #object
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cpu_arm9tdmi_name:
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.asciz "ARM9TDMI"
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.size cpu_arm9tdmi_name, . - cpu_arm9tdmi_name
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.type cpu_p2001_name, #object
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cpu_p2001_name:
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.asciz "P2001"
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.size cpu_p2001_name, . - cpu_p2001_name
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.align
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.section ".proc.info.init", #alloc, #execinstr
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.type __arm9tdmi_proc_info, #object
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__arm9tdmi_proc_info:
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.long 0x41009900
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.long 0xfff8ff00
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.long 0
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.long 0
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b __arm9tdmi_setup
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.long cpu_arch_name
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.long cpu_elf_name
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.long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
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.long cpu_arm9tdmi_name
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.long arm9tdmi_processor_functions
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.long 0
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.long 0
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.long v4_cache_fns
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.size __arm9tdmi_proc_info, . - __arm9dmi_proc_info
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.type __p2001_proc_info, #object
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__p2001_proc_info:
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.long 0x41029000
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.long 0xffffffff
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.long 0
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.long 0
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b __arm9tdmi_setup
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.long cpu_arch_name
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.long cpu_elf_name
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.long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
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.long cpu_p2001_name
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.long arm9tdmi_processor_functions
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.long 0
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.long 0
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.long v4_cache_fns
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.size __p2001_proc_info, . - __p2001_proc_info
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