/* * linux/arch/arm/mm/proc-arm9tdmi.S: utility functions for ARM9TDMI * * Copyright (C) 2003-2006 Hyok S. Choi <hyok.choi@samsung.com> * * 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 * published by the Free Software Foundation. * */ #include <linux/linkage.h> #include <linux/init.h> #include <asm/assembler.h> #include <asm/asm-offsets.h> #include <asm/elf.h> #include <asm/pgtable-hwdef.h> #include <asm/pgtable.h> #include <asm/ptrace.h> .text /* * cpu_arm9tdmi_proc_init() * cpu_arm9tdmi_do_idle() * cpu_arm9tdmi_dcache_clean_area() * cpu_arm9tdmi_switch_mm() * * These are not required. */ ENTRY(cpu_arm9tdmi_proc_init) ENTRY(cpu_arm9tdmi_do_idle) ENTRY(cpu_arm9tdmi_dcache_clean_area) ENTRY(cpu_arm9tdmi_switch_mm) mov pc, lr /* * cpu_arm9tdmi_proc_fin() */ ENTRY(cpu_arm9tdmi_proc_fin) mov r0, #PSR_F_BIT | PSR_I_BIT | SVC_MODE msr cpsr_c, r0 mov pc, lr /* * Function: cpu_arm9tdmi_reset(loc) * Params : loc(r0) address to jump to * Purpose : Sets up everything for a reset and jump to the location for soft reset. */ ENTRY(cpu_arm9tdmi_reset) mov pc, r0 __INIT .type __arm9tdmi_setup, #function __arm9tdmi_setup: mov pc, lr .size __arm9tdmi_setup, . - __arm9tdmi_setup __INITDATA /* * Purpose : Function pointers used to access above functions - all calls * come through these */ .type arm9tdmi_processor_functions, #object ENTRY(arm9tdmi_processor_functions) .word nommu_early_abort .word pabort_noifar .word cpu_arm9tdmi_proc_init .word cpu_arm9tdmi_proc_fin .word cpu_arm9tdmi_reset .word cpu_arm9tdmi_do_idle .word cpu_arm9tdmi_dcache_clean_area .word cpu_arm9tdmi_switch_mm .word 0 @ cpu_*_set_pte .size arm9tdmi_processor_functions, . - arm9tdmi_processor_functions .section ".rodata" .type cpu_arch_name, #object cpu_arch_name: .asciz "armv4t" .size cpu_arch_name, . - cpu_arch_name .type cpu_elf_name, #object cpu_elf_name: .asciz "v4" .size cpu_elf_name, . - cpu_elf_name .type cpu_arm9tdmi_name, #object cpu_arm9tdmi_name: .asciz "ARM9TDMI" .size cpu_arm9tdmi_name, . - cpu_arm9tdmi_name .type cpu_p2001_name, #object cpu_p2001_name: .asciz "P2001" .size cpu_p2001_name, . - cpu_p2001_name .align .section ".proc.info.init", #alloc, #execinstr .type __arm9tdmi_proc_info, #object __arm9tdmi_proc_info: .long 0x41009900 .long 0xfff8ff00 .long 0 .long 0 b __arm9tdmi_setup .long cpu_arch_name .long cpu_elf_name .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT .long cpu_arm9tdmi_name .long arm9tdmi_processor_functions .long 0 .long 0 .long v4_cache_fns .size __arm9tdmi_proc_info, . - __arm9dmi_proc_info .type __p2001_proc_info, #object __p2001_proc_info: .long 0x41029000 .long 0xffffffff .long 0 .long 0 b __arm9tdmi_setup .long cpu_arch_name .long cpu_elf_name .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT .long cpu_p2001_name .long arm9tdmi_processor_functions .long 0 .long 0 .long v4_cache_fns .size __p2001_proc_info, . - __p2001_proc_info