From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- arch/arm/mm/proc-arm9tdmi.S | 95 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 95 insertions(+) create mode 100644 arch/arm/mm/proc-arm9tdmi.S (limited to 'arch/arm/mm/proc-arm9tdmi.S') diff --git a/arch/arm/mm/proc-arm9tdmi.S b/arch/arm/mm/proc-arm9tdmi.S new file mode 100644 index 000000000..7fac8c612 --- /dev/null +++ b/arch/arm/mm/proc-arm9tdmi.S @@ -0,0 +1,95 @@ +/* + * linux/arch/arm/mm/proc-arm9tdmi.S: utility functions for ARM9TDMI + * + * Copyright (C) 2003-2006 Hyok S. Choi + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ +#include +#include +#include +#include +#include +#include +#include +#include + +#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 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", #alloc + +.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 -- cgit v1.2.3-54-g00ecf