1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * linux/arch/arm/mm/proc-arm7tdmi.S: utility
4 *
5 * Copyright (C) 2003-2006 Hyok S. Choi <hyok.
6 */
7 #include <linux/linkage.h>
8 #include <linux/init.h>
9 #include <linux/cfi_types.h>
10 #include <linux/pgtable.h>
11 #include <asm/assembler.h>
12 #include <asm/asm-offsets.h>
13 #include <asm/hwcap.h>
14 #include <asm/pgtable-hwdef.h>
15 #include <asm/ptrace.h>
16
17 #include "proc-macros.S"
18
19 .text
20 /*
21 * cpu_arm7tdmi_proc_init()
22 * cpu_arm7tdmi_do_idle()
23 * cpu_arm7tdmi_dcache_clean_area()
24 * cpu_arm7tdmi_switch_mm()
25 *
26 * These are not required.
27 */
28 SYM_TYPED_FUNC_START(cpu_arm7tdmi_proc_init)
29 ret lr
30 SYM_FUNC_END(cpu_arm7tdmi_proc_init)
31
32 SYM_TYPED_FUNC_START(cpu_arm7tdmi_do_idle)
33 ret lr
34 SYM_FUNC_END(cpu_arm7tdmi_do_idle)
35
36 SYM_TYPED_FUNC_START(cpu_arm7tdmi_dcache_clean
37 ret lr
38 SYM_FUNC_END(cpu_arm7tdmi_dcache_clean_area)
39
40 SYM_TYPED_FUNC_START(cpu_arm7tdmi_switch_mm)
41 ret lr
42 SYM_FUNC_END(cpu_arm7tdmi_switch_mm)
43
44 /*
45 * cpu_arm7tdmi_proc_fin()
46 */
47 SYM_TYPED_FUNC_START(cpu_arm7tdmi_proc_fin)
48 ret lr
49 SYM_FUNC_END(cpu_arm7tdmi_proc_fin)
50
51 /*
52 * Function: cpu_arm7tdmi_reset(loc)
53 * Params : loc(r0) address to jump to
54 * Purpose : Sets up everything for a reset an
55 */
56 .pushsection .idmap.text, "
57 SYM_TYPED_FUNC_START(cpu_arm7tdmi_reset)
58 ret r0
59 SYM_FUNC_END(cpu_arm7tdmi_reset)
60 .popsection
61
62 .type __arm7tdmi_setup, #fun
63 __arm7tdmi_setup:
64 ret lr
65 .size __arm7tdmi_setup, . -
66
67 __INITDATA
68
69 @ define struct processor (see
70 define_processor_functions arm
71
72 .section ".rodata"
73
74 string cpu_arch_name, "armv4t
75 string cpu_elf_name, "v4"
76 string cpu_arm7tdmi_name, "AR
77 string cpu_triscenda7_name, "
78 string cpu_at91_name, "Atmel-
79 string cpu_s3c3410_name, "Sam
80 string cpu_s3c44b0x_name, "Sa
81 string cpu_s3c4510b_name, "Sa
82 string cpu_s3c4530_name, "Sam
83 string cpu_netarm_name, "NETA
84
85 .align
86
87 .section ".proc.info.init", "a
88
89 .macro arm7tdmi_proc_info name:req, cpu_val:re
90 extra_hwcaps=0
91 .type __\name\()_proc_info,
92 __\name\()_proc_info:
93 .long \cpu_val
94 .long \cpu_mask
95 .long 0
96 .long 0
97 initfn __arm7tdmi_setup, __\n
98 .long cpu_arch_name
99 .long cpu_elf_name
100 .long HWCAP_SWP | HWCAP_26BI
101 .long \cpu_name
102 .long arm7tdmi_processor_fun
103 .long 0
104 .long 0
105 .long v4_cache_fns
106 .size __\name\()_proc_info,
107 .endm
108
109 arm7tdmi_proc_info arm7tdmi, 0
110 cpu_arm7tdmi_name
111 arm7tdmi_proc_info triscenda7,
112 cpu_triscenda7_name, e
113 arm7tdmi_proc_info at91, 0x140
114 cpu_at91_name, extra_h
115 arm7tdmi_proc_info s3c4510b, 0
116 cpu_s3c4510b_name, ext
117 arm7tdmi_proc_info s3c4530, 0x
118 cpu_s3c4530_name, extr
119 arm7tdmi_proc_info s3c3410, 0x
120 cpu_s3c3410_name, extr
121 arm7tdmi_proc_info s3c44b0x, 0
122 cpu_s3c44b0x_name, ext
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