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- /* SPDX-License-Identifier: GPL-2.0-only */
- /*
- * linux/arch/arm/mm/proc-arm9tdmi.S: utility functions for ARM9TDMI
- *
- * 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_arm9tdmi_proc_init()
- * cpu_arm9tdmi_do_idle()
- * cpu_arm9tdmi_dcache_clean_area()
- * cpu_arm9tdmi_switch_mm()
- *
- * These are not required.
- */
- ENTRY(cpu_arm9tdmi_proc_init)
- ENTRY(cpu_arm9tdmi_do_idle)
- ENTRY(cpu_arm9tdmi_dcache_clean_area)
- ENTRY(cpu_arm9tdmi_switch_mm)
- ret lr
- /*
- * cpu_arm9tdmi_proc_fin()
- */
- ENTRY(cpu_arm9tdmi_proc_fin)
- ret lr
- /*
- * Function: cpu_arm9tdmi_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_arm9tdmi_reset)
- ret r0
- ENDPROC(cpu_arm9tdmi_reset)
- .popsection
- .type __arm9tdmi_setup, #function
- __arm9tdmi_setup:
- ret lr
- .size __arm9tdmi_setup, . - __arm9tdmi_setup
- __INITDATA
- @ define struct processor (see <asm/proc-fns.h> and proc-macros.S)
- define_processor_functions arm9tdmi, dabort=nommu_early_abort, pabort=legacy_pabort, nommu=1
- .section ".rodata"
- string cpu_arch_name, "armv4t"
- string cpu_elf_name, "v4"
- string cpu_arm9tdmi_name, "ARM9TDMI"
- string cpu_p2001_name, "P2001"
- .align
- .section ".proc.info.init", "a"
- .macro arm9tdmi_proc_info name:req, cpu_val:req, cpu_mask:req, cpu_name:req
- .type __\name\()_proc_info, #object
- __\name\()_proc_info:
- .long \cpu_val
- .long \cpu_mask
- .long 0
- .long 0
- initfn __arm9tdmi_setup, __\name\()_proc_info
- .long cpu_arch_name
- .long cpu_elf_name
- .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
- .long \cpu_name
- .long arm9tdmi_processor_functions
- .long 0
- .long 0
- .long v4_cache_fns
- .size __\name\()_proc_info, . - __\name\()_proc_info
- .endm
- arm9tdmi_proc_info arm9tdmi, 0x41009900, 0xfff8ff00, cpu_arm9tdmi_name
- arm9tdmi_proc_info p2001, 0x41029000, 0xffffffff, cpu_p2001_name
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