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91 lines
2.1 KiB
91 lines
2.1 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* linux/arch/arm/mm/proc-arm9tdmi.S: utility functions for ARM9TDMI |
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* |
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* Copyright (C) 2003-2006 Hyok S. Choi <hyok.choi@samsung.com> |
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*/ |
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#include <linux/linkage.h> |
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#include <linux/init.h> |
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#include <linux/pgtable.h> |
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#include <asm/assembler.h> |
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#include <asm/asm-offsets.h> |
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#include <asm/hwcap.h> |
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#include <asm/pgtable-hwdef.h> |
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#include <asm/ptrace.h> |
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#include "proc-macros.S" |
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.text |
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/* |
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* cpu_arm9tdmi_proc_init() |
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* cpu_arm9tdmi_do_idle() |
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* cpu_arm9tdmi_dcache_clean_area() |
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* cpu_arm9tdmi_switch_mm() |
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* |
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* These are not required. |
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*/ |
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ENTRY(cpu_arm9tdmi_proc_init) |
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ENTRY(cpu_arm9tdmi_do_idle) |
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ENTRY(cpu_arm9tdmi_dcache_clean_area) |
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ENTRY(cpu_arm9tdmi_switch_mm) |
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ret lr |
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/* |
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* cpu_arm9tdmi_proc_fin() |
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*/ |
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ENTRY(cpu_arm9tdmi_proc_fin) |
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ret lr |
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/* |
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* Function: cpu_arm9tdmi_reset(loc) |
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* Params : loc(r0) address to jump to |
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* Purpose : Sets up everything for a reset and jump to the location for soft reset. |
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*/ |
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.pushsection .idmap.text, "ax" |
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ENTRY(cpu_arm9tdmi_reset) |
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ret r0 |
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ENDPROC(cpu_arm9tdmi_reset) |
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.popsection |
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.type __arm9tdmi_setup, #function |
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__arm9tdmi_setup: |
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ret lr |
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.size __arm9tdmi_setup, . - __arm9tdmi_setup |
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__INITDATA |
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@ define struct processor (see <asm/proc-fns.h> and proc-macros.S) |
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define_processor_functions arm9tdmi, dabort=nommu_early_abort, pabort=legacy_pabort, nommu=1 |
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.section ".rodata" |
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string cpu_arch_name, "armv4t" |
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string cpu_elf_name, "v4" |
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string cpu_arm9tdmi_name, "ARM9TDMI" |
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string cpu_p2001_name, "P2001" |
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.align |
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.section ".proc.info.init", "a" |
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.macro arm9tdmi_proc_info name:req, cpu_val:req, cpu_mask:req, cpu_name:req |
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.type __\name\()_proc_info, #object |
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__\name\()_proc_info: |
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.long \cpu_val |
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.long \cpu_mask |
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.long 0 |
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.long 0 |
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initfn __arm9tdmi_setup, __\name\()_proc_info |
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.long cpu_arch_name |
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.long cpu_elf_name |
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.long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT |
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.long \cpu_name |
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.long arm9tdmi_processor_functions |
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.long 0 |
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.long 0 |
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.long v4_cache_fns |
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.size __\name\()_proc_info, . - __\name\()_proc_info |
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.endm |
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arm9tdmi_proc_info arm9tdmi, 0x41009900, 0xfff8ff00, cpu_arm9tdmi_name |
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arm9tdmi_proc_info p2001, 0x41029000, 0xffffffff, cpu_p2001_name
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