1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * linux/arch/arm/mm/proc-arm7tdmi.S: utility functions for ARM7TDMI
5 * Copyright (C) 2003-2006 Hyok S. Choi <hyok.choi@samsung.com>
7 #include <linux/linkage.h>
8 #include <linux/init.h>
9 #include <asm/assembler.h>
10 #include <asm/asm-offsets.h>
11 #include <asm/hwcap.h>
12 #include <asm/pgtable-hwdef.h>
13 #include <asm/pgtable.h>
14 #include <asm/ptrace.h>
16 #include "proc-macros.S"
20 * cpu_arm7tdmi_proc_init()
21 * cpu_arm7tdmi_do_idle()
22 * cpu_arm7tdmi_dcache_clean_area()
23 * cpu_arm7tdmi_switch_mm()
25 * These are not required.
27 ENTRY(cpu_arm7tdmi_proc_init)
28 ENTRY(cpu_arm7tdmi_do_idle)
29 ENTRY(cpu_arm7tdmi_dcache_clean_area)
30 ENTRY(cpu_arm7tdmi_switch_mm)
34 * cpu_arm7tdmi_proc_fin()
36 ENTRY(cpu_arm7tdmi_proc_fin)
40 * Function: cpu_arm7tdmi_reset(loc)
41 * Params : loc(r0) address to jump to
42 * Purpose : Sets up everything for a reset and jump to the location for soft reset.
44 .pushsection .idmap.text, "ax"
45 ENTRY(cpu_arm7tdmi_reset)
47 ENDPROC(cpu_arm7tdmi_reset)
50 .type __arm7tdmi_setup, #function
53 .size __arm7tdmi_setup, . - __arm7tdmi_setup
57 @ define struct processor (see <asm/proc-fns.h> and proc-macros.S)
58 define_processor_functions arm7tdmi, dabort=v4t_late_abort, pabort=legacy_pabort, nommu=1
62 string cpu_arch_name, "armv4t"
63 string cpu_elf_name, "v4"
64 string cpu_arm7tdmi_name, "ARM7TDMI"
65 string cpu_triscenda7_name, "Triscend-A7x"
66 string cpu_at91_name, "Atmel-AT91M40xxx"
67 string cpu_s3c3410_name, "Samsung-S3C3410"
68 string cpu_s3c44b0x_name, "Samsung-S3C44B0x"
69 string cpu_s3c4510b_name, "Samsung-S3C4510B"
70 string cpu_s3c4530_name, "Samsung-S3C4530"
71 string cpu_netarm_name, "NETARM"
75 .section ".proc.info.init", "a"
77 .macro arm7tdmi_proc_info name:req, cpu_val:req, cpu_mask:req, cpu_name:req, \
79 .type __\name\()_proc_info, #object
85 initfn __arm7tdmi_setup, __\name\()_proc_info
88 .long HWCAP_SWP | HWCAP_26BIT | ( \extra_hwcaps )
90 .long arm7tdmi_processor_functions
94 .size __\name\()_proc_info, . - __\name\()_proc_info
97 arm7tdmi_proc_info arm7tdmi, 0x41007700, 0xfff8ff00, \
99 arm7tdmi_proc_info triscenda7, 0x0001d2ff, 0x0001ffff, \
100 cpu_triscenda7_name, extra_hwcaps=HWCAP_THUMB
101 arm7tdmi_proc_info at91, 0x14000040, 0xfff000e0, \
102 cpu_at91_name, extra_hwcaps=HWCAP_THUMB
103 arm7tdmi_proc_info s3c4510b, 0x36365000, 0xfffff000, \
104 cpu_s3c4510b_name, extra_hwcaps=HWCAP_THUMB
105 arm7tdmi_proc_info s3c4530, 0x4c000000, 0xfff000e0, \
106 cpu_s3c4530_name, extra_hwcaps=HWCAP_THUMB
107 arm7tdmi_proc_info s3c3410, 0x34100000, 0xffff0000, \
108 cpu_s3c3410_name, extra_hwcaps=HWCAP_THUMB
109 arm7tdmi_proc_info s3c44b0x, 0x44b00000, 0xffff0000, \
110 cpu_s3c44b0x_name, extra_hwcaps=HWCAP_THUMB