2006-09-26 02:38:05 -06:00
|
|
|
/*
|
|
|
|
|
* 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>
|
2008-09-07 12:15:31 -06:00
|
|
|
#include <asm/hwcap.h>
|
2006-09-26 02:38:05 -06:00
|
|
|
#include <asm/pgtable-hwdef.h>
|
|
|
|
|
#include <asm/pgtable.h>
|
|
|
|
|
#include <asm/ptrace.h>
|
|
|
|
|
|
2011-06-23 10:21:28 -06:00
|
|
|
#include "proc-macros.S"
|
|
|
|
|
|
2006-09-26 02:38:05 -06:00
|
|
|
.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 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.
|
|
|
|
|
*/
|
2011-11-15 06:25:04 -07:00
|
|
|
.pushsection .idmap.text, "ax"
|
2006-09-26 02:38:05 -06:00
|
|
|
ENTRY(cpu_arm9tdmi_reset)
|
|
|
|
|
mov pc, r0
|
2011-11-15 06:25:04 -07:00
|
|
|
ENDPROC(cpu_arm9tdmi_reset)
|
|
|
|
|
.popsection
|
2006-09-26 02:38:05 -06:00
|
|
|
|
2010-10-01 08:37:05 -06:00
|
|
|
__CPUINIT
|
2006-09-26 02:38:05 -06:00
|
|
|
|
|
|
|
|
.type __arm9tdmi_setup, #function
|
|
|
|
|
__arm9tdmi_setup:
|
|
|
|
|
mov pc, lr
|
|
|
|
|
.size __arm9tdmi_setup, . - __arm9tdmi_setup
|
|
|
|
|
|
|
|
|
|
__INITDATA
|
|
|
|
|
|
2011-06-23 10:21:28 -06:00
|
|
|
@ define struct processor (see <asm/proc-fns.h> and proc-macros.S)
|
|
|
|
|
define_processor_functions arm9tdmi, dabort=nommu_early_abort, pabort=legacy_pabort, nommu=1
|
2006-09-26 02:38:05 -06:00
|
|
|
|
|
|
|
|
.section ".rodata"
|
|
|
|
|
|
2011-06-23 10:21:28 -06:00
|
|
|
string cpu_arch_name, "armv4t"
|
|
|
|
|
string cpu_elf_name, "v4"
|
|
|
|
|
string cpu_arm9tdmi_name, "ARM9TDMI"
|
|
|
|
|
string cpu_p2001_name, "P2001"
|
2006-09-26 02:38:05 -06:00
|
|
|
|
|
|
|
|
.align
|
|
|
|
|
|
|
|
|
|
.section ".proc.info.init", #alloc, #execinstr
|
|
|
|
|
|
2011-06-23 10:21:28 -06:00
|
|
|
.macro arm9tdmi_proc_info name:req, cpu_val:req, cpu_mask:req, cpu_name:req
|
|
|
|
|
.type __\name\()_proc_info, #object
|
|
|
|
|
__\name\()_proc_info:
|
|
|
|
|
.long \cpu_val
|
|
|
|
|
.long \cpu_mask
|
2006-09-26 02:38:05 -06:00
|
|
|
.long 0
|
|
|
|
|
.long 0
|
|
|
|
|
b __arm9tdmi_setup
|
|
|
|
|
.long cpu_arch_name
|
|
|
|
|
.long cpu_elf_name
|
|
|
|
|
.long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
|
2011-06-23 10:21:28 -06:00
|
|
|
.long \cpu_name
|
2006-09-26 02:38:05 -06:00
|
|
|
.long arm9tdmi_processor_functions
|
|
|
|
|
.long 0
|
|
|
|
|
.long 0
|
|
|
|
|
.long v4_cache_fns
|
2011-06-23 10:21:28 -06:00
|
|
|
.size __\name\()_proc_info, . - __\name\()_proc_info
|
|
|
|
|
.endm
|
2006-09-26 02:38:05 -06:00
|
|
|
|
2011-06-23 10:21:28 -06:00
|
|
|
arm9tdmi_proc_info arm9tdmi, 0x41009900, 0xfff8ff00, cpu_arm9tdmi_name
|
|
|
|
|
arm9tdmi_proc_info p2001, 0x41029000, 0xffffffff, cpu_p2001_name
|
