/*
* linux/arch/arm/mm/proc-arm7tdmi.S: utility functions for ARM7TDMI
*
* 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_arm7tdmi_proc_init()
* cpu_arm7tdmi_do_idle()
* cpu_arm7tdmi_dcache_clean_area()
* cpu_arm7tdmi_switch_mm()
*
* These are not required.
*/
ENTRY(cpu_arm7tdmi_proc_init)
ENTRY(cpu_arm7tdmi_do_idle)
ENTRY(cpu_arm7tdmi_dcache_clean_area)
ENTRY(cpu_arm7tdmi_switch_mm)
mov pc, lr
/*
* cpu_arm7tdmi_proc_fin()
*/
ENTRY(cpu_arm7tdmi_proc_fin)
mov r0, #PSR_F_BIT | PSR_I_BIT | SVC_MODE
msr cpsr_c, r0
mov pc, lr
/*
* Function: cpu_arm7tdmi_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_arm7tdmi_reset)
mov pc, r0
__INIT
.type __arm7tdmi_setup, #function
__arm7tdmi_setup:
mov pc, lr
.size __arm7tdmi_setup, . - __arm7tdmi_setup
__INITDATA
/*
* Purpose : Function pointers used to access above functions - all calls
* come through these
*/
.type arm7tdmi_processor_functions, #object
ENTRY(arm7tdmi_processor_functions)
.word v4t_late_abort
.word legacy_pabort
.word cpu_arm7tdmi_proc_init
.word cpu_arm7tdmi_proc_fin
.word cpu_arm7tdmi_reset
.word cpu_arm7tdmi_do_idle
.word cpu_arm7tdmi_dcache_clean_area
.word cpu_arm7tdmi_switch_mm
.word 0 @ cpu_*_set_pte
.size arm7tdmi_processor_functions, . - arm7tdmi_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_arm7tdmi_name, #object
cpu_arm7tdmi_name:
.asciz "ARM7TDMI"
.size cpu_arm7tdmi_name, . - cpu_arm7tdmi_name
.type cpu_triscenda7_name, #object
cpu_triscenda7_name:
.asciz "Triscend-A7x"
.size cpu_triscenda7_name, . - cpu_triscenda7_name
.type cpu_at91_name, #object
cpu_at91_name:
.asciz "Atmel-AT91M40xxx"
.size cpu_at91_name, . - cpu_at91_name
.type cpu_s3c3410_name, #object
cpu_s3c3410_name:
.asciz "Samsung-S3C3410"
.size cpu_s3c3410_name, . - cpu_s3c3410_name
.type cpu_s3c44b0x_name, #object
cpu_s3c44b0x_name:
.asciz "Samsung-S3C44B0x"
.size cpu_s3c44b0x_name, . - cpu_s3c44b0x_name
.type cpu_s3c4510b, #object
cpu_s3c4510b_name:
.asciz "Samsung-S3C4510B"
.size cpu_s3c4510b_name, . - cpu_s3c4510b_name
.type cpu_s3c4530_name, #object
cpu_s3c4530_name:
.asciz "Samsung-S3C4530"
.size cpu_s3c4530_name, . - cpu_s3c4530_name
.type cpu_netarm_name, #object
cpu_netarm_name:
.asciz "NETARM"
.size cpu_netarm_name, . - cpu_netarm_name
.align
.section ".proc.info.init", #alloc, #execinstr
.type __arm7tdmi_proc_info, #object
__arm7tdmi_proc_info:
.long 0x41007700
.long 0xfff8ff00
.long 0
.long 0
b __arm7tdmi_setup
.long cpu_arch_name
.long cpu_elf_name
.long HWCAP_SWP | HWCAP_26BIT
.long cpu_arm7tdmi_name
.long arm7tdmi_processor_functions
.long 0
.long 0
.long v4_cache_fns
.size __arm7tdmi_proc_info, . - __arm7dmi_proc_info
.type __triscenda7_proc_info, #object
__triscenda7_proc_info:
.long 0x0001d2ff
.long 0x0001ffff
.long 0
.long 0
b __arm7tdmi_setup
.long cpu_arch_name
.long cpu_elf_name
.long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
.long cpu_triscenda7_name
.long arm7tdmi_processor_functions
.long 0
.long 0
.long v4_cache_fns
.size __triscenda7_proc_info, . - __triscenda7_proc_info
.type __at91_proc_info, #object
__at91_proc_info:
.long 0x14000040
.long 0xfff000e0
.long 0
.long 0
b __arm7tdmi_setup
.long cpu_arch_name
.long cpu_elf_name
.long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
.long cpu_at91_name
.long arm7tdmi_processor_functions
.long 0
.long 0
.long v4_cache_fns
.size __at91_proc_info, . - __at91_proc_info
.type __s3c4510b_proc_info, #object
__s3c4510b_proc_info:
.long 0x36365000
.long 0xfffff000
.long 0
.long 0
b __arm7tdmi_setup
.long cpu_arch_name
.long cpu_elf_name
.long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
.long cpu_s3c4510b_name
.long arm7tdmi_processor_functions
.long 0
.long 0
.long v4_cache_fns
.size __s3c4510b_proc_info, . - __s3c4510b_proc_info
.type __s3c4530_proc_info, #object
__s3c4530_proc_info:
.long 0x4c000000
.long 0xfff000e0
.long 0
.long 0
b __arm7tdmi_setup
.long cpu_arch_name
.long cpu_elf_name
.long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
.long cpu_s3c4530_name
.long arm7tdmi_processor_functions
.long 0
.long 0
.long v4_cache_fns
.size __s3c4530_proc_info, . - __s3c4530_proc_info
.type __s3c3410_proc_info, #object
__s3c3410_proc_info:
.long 0x34100000
.long 0xffff0000
.long 0
.long 0
b __arm7tdmi_setup
.long cpu_arch_name
.long cpu_elf_name
.long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
.long cpu_s3c3410_name
.long arm7tdmi_processor_functions
.long 0
.long 0
.long v4_cache_fns
.size __s3c3410_proc_info, . - __s3c3410_proc_info
.type __s3c44b0x_proc_info, #object
__s3c44b0x_proc_info:
.long 0x44b00000
.long 0xffff0000
.long 0
.long 0
b __arm7tdmi_setup
.long cpu_arch_name
.long cpu_elf_name
.long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
.long cpu_s3c44b0x_name
.long arm7tdmi_processor_functions
.long 0
.long 0
.long v4_cache_fns
.size __s3c44b0x_proc_info, . - __s3c44b0x_proc_info
