111 lines
3.0 KiB
ArmAsm
111 lines
3.0 KiB
ArmAsm
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* linux/arch/arm/mm/proc-arm7tdmi.S: utility functions for ARM7TDMI
|
|
*
|
|
* Copyright (C) 2003-2006 Hyok S. Choi <hyok.choi@samsung.com>
|
|
*/
|
|
#include <linux/linkage.h>
|
|
#include <linux/init.h>
|
|
#include <linux/pgtable.h>
|
|
#include <asm/assembler.h>
|
|
#include <asm/asm-offsets.h>
|
|
#include <asm/hwcap.h>
|
|
#include <asm/pgtable-hwdef.h>
|
|
#include <asm/ptrace.h>
|
|
|
|
#include "proc-macros.S"
|
|
|
|
.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)
|
|
ret lr
|
|
|
|
/*
|
|
* cpu_arm7tdmi_proc_fin()
|
|
*/
|
|
ENTRY(cpu_arm7tdmi_proc_fin)
|
|
ret 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.
|
|
*/
|
|
.pushsection .idmap.text, "ax"
|
|
ENTRY(cpu_arm7tdmi_reset)
|
|
ret r0
|
|
ENDPROC(cpu_arm7tdmi_reset)
|
|
.popsection
|
|
|
|
.type __arm7tdmi_setup, #function
|
|
__arm7tdmi_setup:
|
|
ret lr
|
|
.size __arm7tdmi_setup, . - __arm7tdmi_setup
|
|
|
|
__INITDATA
|
|
|
|
@ define struct processor (see <asm/proc-fns.h> and proc-macros.S)
|
|
define_processor_functions arm7tdmi, dabort=v4t_late_abort, pabort=legacy_pabort, nommu=1
|
|
|
|
.section ".rodata"
|
|
|
|
string cpu_arch_name, "armv4t"
|
|
string cpu_elf_name, "v4"
|
|
string cpu_arm7tdmi_name, "ARM7TDMI"
|
|
string cpu_triscenda7_name, "Triscend-A7x"
|
|
string cpu_at91_name, "Atmel-AT91M40xxx"
|
|
string cpu_s3c3410_name, "Samsung-S3C3410"
|
|
string cpu_s3c44b0x_name, "Samsung-S3C44B0x"
|
|
string cpu_s3c4510b_name, "Samsung-S3C4510B"
|
|
string cpu_s3c4530_name, "Samsung-S3C4530"
|
|
string cpu_netarm_name, "NETARM"
|
|
|
|
.align
|
|
|
|
.section ".proc.info.init", "a"
|
|
|
|
.macro arm7tdmi_proc_info name:req, cpu_val:req, cpu_mask:req, cpu_name:req, \
|
|
extra_hwcaps=0
|
|
.type __\name\()_proc_info, #object
|
|
__\name\()_proc_info:
|
|
.long \cpu_val
|
|
.long \cpu_mask
|
|
.long 0
|
|
.long 0
|
|
initfn __arm7tdmi_setup, __\name\()_proc_info
|
|
.long cpu_arch_name
|
|
.long cpu_elf_name
|
|
.long HWCAP_SWP | HWCAP_26BIT | ( \extra_hwcaps )
|
|
.long \cpu_name
|
|
.long arm7tdmi_processor_functions
|
|
.long 0
|
|
.long 0
|
|
.long v4_cache_fns
|
|
.size __\name\()_proc_info, . - __\name\()_proc_info
|
|
.endm
|
|
|
|
arm7tdmi_proc_info arm7tdmi, 0x41007700, 0xfff8ff00, \
|
|
cpu_arm7tdmi_name
|
|
arm7tdmi_proc_info triscenda7, 0x0001d2ff, 0x0001ffff, \
|
|
cpu_triscenda7_name, extra_hwcaps=HWCAP_THUMB
|
|
arm7tdmi_proc_info at91, 0x14000040, 0xfff000e0, \
|
|
cpu_at91_name, extra_hwcaps=HWCAP_THUMB
|
|
arm7tdmi_proc_info s3c4510b, 0x36365000, 0xfffff000, \
|
|
cpu_s3c4510b_name, extra_hwcaps=HWCAP_THUMB
|
|
arm7tdmi_proc_info s3c4530, 0x4c000000, 0xfff000e0, \
|
|
cpu_s3c4530_name, extra_hwcaps=HWCAP_THUMB
|
|
arm7tdmi_proc_info s3c3410, 0x34100000, 0xffff0000, \
|
|
cpu_s3c3410_name, extra_hwcaps=HWCAP_THUMB
|
|
arm7tdmi_proc_info s3c44b0x, 0x44b00000, 0xffff0000, \
|
|
cpu_s3c44b0x_name, extra_hwcaps=HWCAP_THUMB
|