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- /* 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 <[email protected]>
- */
- #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
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