Gitiles
Code Review Sign In
gerrit-public.fairphone.software / kernel / msm-4.19 / b4a19f03c4d73c3aa5e08ce8fd3c78426c766ea7 / . / arch / arm / mm / proc-arm9tdmi.S
blob: 2120f9e2af7fab7cc42d9b6d9d205cab092b0ee9 [file] [log] [blame]
Hyok S. Choi43f5f012006-09-26 17:38:05 +0900[diff] [blame]1/*
2 * linux/arch/arm/mm/proc-arm9tdmi.S: utility functions for ARM9TDMI
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. Choi43f5f012006-09-26 17:38:05 +0900[diff] [blame]16#include <asm/pgtable-hwdef.h>
17#include <asm/pgtable.h>
Hyok S. Choi43f5f012006-09-26 17:38:05 +0900[diff] [blame]18#include <asm/ptrace.h>
19
Dave Martinb4a19f02011-06-23 17:21:28 +0100[diff] [blame^]20#include "proc-macros.S"
21
Hyok S. Choi43f5f012006-09-26 17:38:05 +0900[diff] [blame]22 .text
23/*
24 * cpu_arm9tdmi_proc_init()
25 * cpu_arm9tdmi_do_idle()
26 * cpu_arm9tdmi_dcache_clean_area()
27 * cpu_arm9tdmi_switch_mm()
28 *
29 * These are not required.
30 */
31ENTRY(cpu_arm9tdmi_proc_init)
32ENTRY(cpu_arm9tdmi_do_idle)
33ENTRY(cpu_arm9tdmi_dcache_clean_area)
34ENTRY(cpu_arm9tdmi_switch_mm)
35 mov pc, lr
36
37/*
38 * cpu_arm9tdmi_proc_fin()
39 */
40ENTRY(cpu_arm9tdmi_proc_fin)
Hyok S. Choi43f5f012006-09-26 17:38:05 +0900[diff] [blame]41 mov pc, lr
42
43/*
44 * Function: cpu_arm9tdmi_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 */
48ENTRY(cpu_arm9tdmi_reset)
49 mov pc, r0
50
Russell King5085f3f2010-10-01 15:37:05 +0100[diff] [blame]51 __CPUINIT
Hyok S. Choi43f5f012006-09-26 17:38:05 +0900[diff] [blame]52
53 .type __arm9tdmi_setup, #function
54__arm9tdmi_setup:
55 mov pc, lr
56 .size __arm9tdmi_setup, . - __arm9tdmi_setup
57
58 __INITDATA
59
Dave Martinb4a19f02011-06-23 17:21:28 +0100[diff] [blame^]60 @ define struct processor (see <asm/proc-fns.h> and proc-macros.S)
61 define_processor_functions arm9tdmi, dabort=nommu_early_abort, pabort=legacy_pabort, nommu=1
Hyok S. Choi43f5f012006-09-26 17:38:05 +0900[diff] [blame]62
63 .section ".rodata"
64
Dave Martinb4a19f02011-06-23 17:21:28 +0100[diff] [blame^]65 string cpu_arch_name, "armv4t"
66 string cpu_elf_name, "v4"
67 string cpu_arm9tdmi_name, "ARM9TDMI"
68 string cpu_p2001_name, "P2001"
Hyok S. Choi43f5f012006-09-26 17:38:05 +0900[diff] [blame]69
70 .align
71
72 .section ".proc.info.init", #alloc, #execinstr
73
Dave Martinb4a19f02011-06-23 17:21:28 +0100[diff] [blame^]74.macro arm9tdmi_proc_info name:req, cpu_val:req, cpu_mask:req, cpu_name:req
75 .type __\name\()_proc_info, #object
76__\name\()_proc_info:
77 .long \cpu_val
78 .long \cpu_mask
Hyok S. Choi43f5f012006-09-26 17:38:05 +0900[diff] [blame]79 .long 0
80 .long 0
81 b __arm9tdmi_setup
82 .long cpu_arch_name
83 .long cpu_elf_name
84 .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
Dave Martinb4a19f02011-06-23 17:21:28 +0100[diff] [blame^]85 .long \cpu_name
Hyok S. Choi43f5f012006-09-26 17:38:05 +0900[diff] [blame]86 .long arm9tdmi_processor_functions
87 .long 0
88 .long 0
89 .long v4_cache_fns
Dave Martinb4a19f02011-06-23 17:21:28 +0100[diff] [blame^]90 .size __\name\()_proc_info, . - __\name\()_proc_info
91.endm
Hyok S. Choi43f5f012006-09-26 17:38:05 +0900[diff] [blame]92
Dave Martinb4a19f02011-06-23 17:21:28 +0100[diff] [blame^]93 arm9tdmi_proc_info arm9tdmi, 0x41009900, 0xfff8ff00, cpu_arm9tdmi_name
94 arm9tdmi_proc_info p2001, 0x41029000, 0xffffffff, cpu_p2001_name