arm/mm/proc-sa110.S

1 /* SPDX-License-Identifier: GPL-2.0-only */
3  *  linux/arch/arm/mm/proc-sa110.S
5  *  Copyright (C) 1997-2002 Russell King
6  *  hacked for non-paged-MM by Hyok S. Choi, 2003.
11  *  functions on the StrongARM-110.
18 #include <asm/asm-offsets.h>
21 #include <asm/pgtable-hwdef.h>
24 #include "proc-macros.S"
58  * Perform a soft reset of the system.  Put the CPU into the
62  * loc: location to jump to for soft reset
67 	mov	ip, #0
68 	mcr	p15, 0, ip, c7, c7, 0		@ invalidate I,D caches
69 	mcr	p15, 0, ip, c7, c10, 4		@ drain WB
71 	mcr	p15, 0, ip, c8, c7, 0		@ invalidate I & D TLBs
73 	mrc	p15, 0, ip, c1, c0, 0		@ ctrl register
74 	bic	ip, ip, #0x000f			@ ............wcam
75 	bic	ip, ip, #0x1100			@ ...i...s........
76 	mcr	p15, 0, ip, c1, c0, 0		@ ctrl register
95 	mcr	p15, 0, ip, c15, c2, 2		@ disable clock switching
117  * addr: cache-unaligned virtual address
140 	str	lr, [sp, #-4]!
141 	bl	v4wb_flush_kern_cache_all	@ clears IP
143 	mcr	p15, 0, ip, c8, c7, 0		@ invalidate I & D TLBs
181 	.size	__sa110_setup, . - __sa110_setup
195 	@ define struct processor (see <asm/proc-fns.h> and proc-macros.S)
202 	string	cpu_sa110_name, "StrongARM-110"
229 	.size	__sa110_proc_info, . - __sa110_proc_info