Blame - arch/arm/mm/proc-arm9tdmi.S - SHIFTPHONES/mainline/linux

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Thomas Gleixner	d2912cb	2019-06-04 10:11:33 +0200	[diff] [blame]	1	/* SPDX-License-Identifier: GPL-2.0-only */
Hyok S. Choi	43f5f01	2006-09-26 17:38:05 +0900	[diff] [blame]	2	/*
				3	* linux/arch/arm/mm/proc-arm9tdmi.S: utility functions for ARM9TDMI
				4	*
				5	* Copyright (C) 2003-2006 Hyok S. Choi <hyok.choi@samsung.com>
Hyok S. Choi	43f5f01	2006-09-26 17:38:05 +0900	[diff] [blame]	6	*/
				7	#include <linux/linkage.h>
				8	#include <linux/init.h>
Mike Rapoport	65fddcf	2020-06-08 21:32:42 -0700	[diff] [blame]	9	#include <linux/pgtable.h>
Hyok S. Choi	43f5f01	2006-09-26 17:38:05 +0900	[diff] [blame]	10	#include <asm/assembler.h>
				11	#include <asm/asm-offsets.h>
Russell King	5ec9407	2008-09-07 19:15:31 +0100	[diff] [blame]	12	#include <asm/hwcap.h>
Hyok S. Choi	43f5f01	2006-09-26 17:38:05 +0900	[diff] [blame]	13	#include <asm/pgtable-hwdef.h>
Hyok S. Choi	43f5f01	2006-09-26 17:38:05 +0900	[diff] [blame]	14	#include <asm/ptrace.h>
				15
Dave Martin	b4a19f0	2011-06-23 17:21:28 +0100	[diff] [blame]	16	#include "proc-macros.S"
				17
Hyok S. Choi	43f5f01	2006-09-26 17:38:05 +0900	[diff] [blame]	18	.text
				19	/*
				20	* cpu_arm9tdmi_proc_init()
				21	* cpu_arm9tdmi_do_idle()
				22	* cpu_arm9tdmi_dcache_clean_area()
				23	* cpu_arm9tdmi_switch_mm()
				24	*
				25	* These are not required.
				26	*/
				27	ENTRY(cpu_arm9tdmi_proc_init)
				28	ENTRY(cpu_arm9tdmi_do_idle)
				29	ENTRY(cpu_arm9tdmi_dcache_clean_area)
				30	ENTRY(cpu_arm9tdmi_switch_mm)
Russell King	6ebbf2c	2014-06-30 16:29:12 +0100	[diff] [blame]	31	ret lr
Hyok S. Choi	43f5f01	2006-09-26 17:38:05 +0900	[diff] [blame]	32
				33	/*
				34	* cpu_arm9tdmi_proc_fin()
				35	*/
				36	ENTRY(cpu_arm9tdmi_proc_fin)
Russell King	6ebbf2c	2014-06-30 16:29:12 +0100	[diff] [blame]	37	ret lr
Hyok S. Choi	43f5f01	2006-09-26 17:38:05 +0900	[diff] [blame]	38
				39	/*
				40	* Function: cpu_arm9tdmi_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.
				43	*/
Will Deacon	1a4baaf	2011-11-15 13:25:04 +0000	[diff] [blame]	44	.pushsection .idmap.text, "ax"
Hyok S. Choi	43f5f01	2006-09-26 17:38:05 +0900	[diff] [blame]	45	ENTRY(cpu_arm9tdmi_reset)
Russell King	6ebbf2c	2014-06-30 16:29:12 +0100	[diff] [blame]	46	ret r0
Will Deacon	1a4baaf	2011-11-15 13:25:04 +0000	[diff] [blame]	47	ENDPROC(cpu_arm9tdmi_reset)
				48	.popsection
Hyok S. Choi	43f5f01	2006-09-26 17:38:05 +0900	[diff] [blame]	49
Hyok S. Choi	43f5f01	2006-09-26 17:38:05 +0900	[diff] [blame]	50	.type __arm9tdmi_setup, #function
				51	__arm9tdmi_setup:
Russell King	6ebbf2c	2014-06-30 16:29:12 +0100	[diff] [blame]	52	ret lr
Hyok S. Choi	43f5f01	2006-09-26 17:38:05 +0900	[diff] [blame]	53	.size __arm9tdmi_setup, . - __arm9tdmi_setup
				54
				55	__INITDATA
				56
Dave Martin	b4a19f0	2011-06-23 17:21:28 +0100	[diff] [blame]	57	@ define struct processor (see <asm/proc-fns.h> and proc-macros.S)
				58	define_processor_functions arm9tdmi, dabort=nommu_early_abort, pabort=legacy_pabort, nommu=1
Hyok S. Choi	43f5f01	2006-09-26 17:38:05 +0900	[diff] [blame]	59
				60	.section ".rodata"
				61
Dave Martin	b4a19f0	2011-06-23 17:21:28 +0100	[diff] [blame]	62	string cpu_arch_name, "armv4t"
				63	string cpu_elf_name, "v4"
				64	string cpu_arm9tdmi_name, "ARM9TDMI"
				65	string cpu_p2001_name, "P2001"
Hyok S. Choi	43f5f01	2006-09-26 17:38:05 +0900	[diff] [blame]	66
				67	.align
				68
Nick Desaulniers	790756c	2019-11-04 19:31:45 +0100	[diff] [blame]	69	.section ".proc.info.init", "a"
Hyok S. Choi	43f5f01	2006-09-26 17:38:05 +0900	[diff] [blame]	70
Dave Martin	b4a19f0	2011-06-23 17:21:28 +0100	[diff] [blame]	71	.macro arm9tdmi_proc_info name:req, cpu_val:req, cpu_mask:req, cpu_name:req
				72	.type __\name\()_proc_info, #object
				73	__\name\()_proc_info:
				74	.long \cpu_val
				75	.long \cpu_mask
Hyok S. Choi	43f5f01	2006-09-26 17:38:05 +0900	[diff] [blame]	76	.long 0
				77	.long 0
Ard Biesheuvel	bf35706	2015-03-18 07:29:32 +0100	[diff] [blame]	78	initfn __arm9tdmi_setup, __\name\()_proc_info
Hyok S. Choi	43f5f01	2006-09-26 17:38:05 +0900	[diff] [blame]	79	.long cpu_arch_name
				80	.long cpu_elf_name
				81	.long HWCAP_SWP \| HWCAP_THUMB \| HWCAP_26BIT
Dave Martin	b4a19f0	2011-06-23 17:21:28 +0100	[diff] [blame]	82	.long \cpu_name
Hyok S. Choi	43f5f01	2006-09-26 17:38:05 +0900	[diff] [blame]	83	.long arm9tdmi_processor_functions
				84	.long 0
				85	.long 0
				86	.long v4_cache_fns
Dave Martin	b4a19f0	2011-06-23 17:21:28 +0100	[diff] [blame]	87	.size __\name\()_proc_info, . - __\name\()_proc_info
				88	.endm
Hyok S. Choi	43f5f01	2006-09-26 17:38:05 +0900	[diff] [blame]	89
Dave Martin	b4a19f0	2011-06-23 17:21:28 +0100	[diff] [blame]	90	arm9tdmi_proc_info arm9tdmi, 0x41009900, 0xfff8ff00, cpu_arm9tdmi_name
				91	arm9tdmi_proc_info p2001, 0x41029000, 0xffffffff, cpu_p2001_name