136 lines
3.1 KiB
ArmAsm
136 lines
3.1 KiB
ArmAsm
/*
|
|
* 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/hwcap.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 legacy_pabort
|
|
.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
|