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gerrit-public.fairphone.software / kernel / msm-4.19 / 079ed3681d748523e50c3947ca59507a7a181260 / . / arch / arm / mm / proc-arm7tdmi.S
blob: 25472d94426d2c8a5f6d56456632b4f2406b9eab [file] [log] [blame]
Hyok S. Choi07e0da72006-09-26 17:37:36 +0900[diff] [blame]1/*
2 * linux/arch/arm/mm/proc-arm7tdmi.S: utility functions for ARM7TDMI
3 *
4 * Copyright (C) 2003-2006 Hyok S. Choi <hyok.choi@samsung.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 */
11#include <linux/linkage.h>
12#include <linux/init.h>
13#include <asm/assembler.h>
14#include <asm/asm-offsets.h>
Russell King5ec94072008-09-07 19:15:31 +0100[diff] [blame]15#include <asm/hwcap.h>
Hyok S. Choi07e0da72006-09-26 17:37:36 +0900[diff] [blame]16#include <asm/pgtable-hwdef.h>
17#include <asm/pgtable.h>
Hyok S. Choi07e0da72006-09-26 17:37:36 +0900[diff] [blame]18#include <asm/ptrace.h>
19
Dave Martinfd10e272011-06-23 17:19:26 +0100[diff] [blame]20#include "proc-macros.S"
21
Hyok S. Choi07e0da72006-09-26 17:37:36 +0900[diff] [blame]22 .text
23/*
24 * cpu_arm7tdmi_proc_init()
25 * cpu_arm7tdmi_do_idle()
26 * cpu_arm7tdmi_dcache_clean_area()
27 * cpu_arm7tdmi_switch_mm()
28 *
29 * These are not required.
30 */
31ENTRY(cpu_arm7tdmi_proc_init)
32ENTRY(cpu_arm7tdmi_do_idle)
33ENTRY(cpu_arm7tdmi_dcache_clean_area)
34ENTRY(cpu_arm7tdmi_switch_mm)
Russell King6ebbf2c2014-06-30 16:29:12 +0100[diff] [blame]35 ret lr
Hyok S. Choi07e0da72006-09-26 17:37:36 +0900[diff] [blame]36
37/*
38 * cpu_arm7tdmi_proc_fin()
39 */
40ENTRY(cpu_arm7tdmi_proc_fin)
Russell King6ebbf2c2014-06-30 16:29:12 +0100[diff] [blame]41 ret lr
Hyok S. Choi07e0da72006-09-26 17:37:36 +0900[diff] [blame]42
43/*
44 * Function: cpu_arm7tdmi_reset(loc)
45 * Params : loc(r0) address to jump to
46 * Purpose : Sets up everything for a reset and jump to the location for soft reset.
47 */
Will Deacon1a4baaf2011-11-15 13:25:04 +0000[diff] [blame]48 .pushsection .idmap.text, "ax"
Hyok S. Choi07e0da72006-09-26 17:37:36 +0900[diff] [blame]49ENTRY(cpu_arm7tdmi_reset)
Russell King6ebbf2c2014-06-30 16:29:12 +0100[diff] [blame]50 ret r0
Will Deacon1a4baaf2011-11-15 13:25:04 +0000[diff] [blame]51ENDPROC(cpu_arm7tdmi_reset)
52 .popsection
Hyok S. Choi07e0da72006-09-26 17:37:36 +0900[diff] [blame]53
Hyok S. Choi07e0da72006-09-26 17:37:36 +0900[diff] [blame]54 .type __arm7tdmi_setup, #function
55__arm7tdmi_setup:
Russell King6ebbf2c2014-06-30 16:29:12 +0100[diff] [blame]56 ret lr
Hyok S. Choi07e0da72006-09-26 17:37:36 +0900[diff] [blame]57 .size __arm7tdmi_setup, . - __arm7tdmi_setup
58
59 __INITDATA
60
Dave Martinfd10e272011-06-23 17:19:26 +0100[diff] [blame]61 @ define struct processor (see <asm/proc-fns.h> and proc-macros.S)
62 define_processor_functions arm7tdmi, dabort=v4t_late_abort, pabort=legacy_pabort, nommu=1
Hyok S. Choi07e0da72006-09-26 17:37:36 +0900[diff] [blame]63
64 .section ".rodata"
65
Dave Martinfd10e272011-06-23 17:19:26 +0100[diff] [blame]66 string cpu_arch_name, "armv4t"
67 string cpu_elf_name, "v4"
68 string cpu_arm7tdmi_name, "ARM7TDMI"
69 string cpu_triscenda7_name, "Triscend-A7x"
70 string cpu_at91_name, "Atmel-AT91M40xxx"
71 string cpu_s3c3410_name, "Samsung-S3C3410"
72 string cpu_s3c44b0x_name, "Samsung-S3C44B0x"
73 string cpu_s3c4510b_name, "Samsung-S3C4510B"
74 string cpu_s3c4530_name, "Samsung-S3C4530"
75 string cpu_netarm_name, "NETARM"
Hyok S. Choi07e0da72006-09-26 17:37:36 +0900[diff] [blame]76
77 .align
78
Ard Biesheuvelbf357062015-03-18 07:29:32 +0100[diff] [blame]79 .section ".proc.info.init", #alloc
Hyok S. Choi07e0da72006-09-26 17:37:36 +0900[diff] [blame]80
Dave Martinfd10e272011-06-23 17:19:26 +0100[diff] [blame]81.macro arm7tdmi_proc_info name:req, cpu_val:req, cpu_mask:req, cpu_name:req, \
82 extra_hwcaps=0
83 .type __\name\()_proc_info, #object
84__\name\()_proc_info:
85 .long \cpu_val
86 .long \cpu_mask
Hyok S. Choi07e0da72006-09-26 17:37:36 +0900[diff] [blame]87 .long 0
88 .long 0
Ard Biesheuvelbf357062015-03-18 07:29:32 +0100[diff] [blame]89 initfn __arm7tdmi_setup, __\name\()_proc_info
Hyok S. Choi07e0da72006-09-26 17:37:36 +0900[diff] [blame]90 .long cpu_arch_name
91 .long cpu_elf_name
Dave Martinfd10e272011-06-23 17:19:26 +0100[diff] [blame]92 .long HWCAP_SWP | HWCAP_26BIT | ( \extra_hwcaps )
93 .long \cpu_name
Hyok S. Choi07e0da72006-09-26 17:37:36 +0900[diff] [blame]94 .long arm7tdmi_processor_functions
95 .long 0
96 .long 0
97 .long v4_cache_fns
Dave Martinfd10e272011-06-23 17:19:26 +0100[diff] [blame]98 .size __\name\()_proc_info, . - __\name\()_proc_info
99.endm
Hyok S. Choi07e0da72006-09-26 17:37:36 +0900[diff] [blame]100
Dave Martinfd10e272011-06-23 17:19:26 +0100[diff] [blame]101 arm7tdmi_proc_info arm7tdmi, 0x41007700, 0xfff8ff00, \
102 cpu_arm7tdmi_name
103 arm7tdmi_proc_info triscenda7, 0x0001d2ff, 0x0001ffff, \
104 cpu_triscenda7_name, extra_hwcaps=HWCAP_THUMB
105 arm7tdmi_proc_info at91, 0x14000040, 0xfff000e0, \
106 cpu_at91_name, extra_hwcaps=HWCAP_THUMB
107 arm7tdmi_proc_info s3c4510b, 0x36365000, 0xfffff000, \
108 cpu_s3c4510b_name, extra_hwcaps=HWCAP_THUMB
109 arm7tdmi_proc_info s3c4530, 0x4c000000, 0xfff000e0, \
110 cpu_s3c4530_name, extra_hwcaps=HWCAP_THUMB
111 arm7tdmi_proc_info s3c3410, 0x34100000, 0xffff0000, \
112 cpu_s3c3410_name, extra_hwcaps=HWCAP_THUMB
113 arm7tdmi_proc_info s3c44b0x, 0x44b00000, 0xffff0000, \
114 cpu_s3c44b0x_name, extra_hwcaps=HWCAP_THUMB