arm/mm/proc-arm1026.S

1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3  *  linux/arch/arm/mm/proc-arm1026.S: MMU functions for ARM1026EJ-S
7  *  hacked for non-paged-MM by Hyok S. Choi, 2003.
10  * functions on the ARM1026EJ-S.
17 #include <asm/asm-offsets.h>
19 #include <asm/pgtable-hwdef.h>
22 #include "proc-macros.S"
78  * Perform a soft reset of the system.	Put the CPU into the
82  * loc: location to jump to for soft reset
87 	mov	ip, #0
88 	mcr	p15, 0, ip, c7, c7, 0		@ invalidate I,D caches
89 	mcr	p15, 0, ip, c7, c10, 4		@ drain WB
91 	mcr	p15, 0, ip, c8, c7, 0		@ invalidate I & D TLBs
93 	mrc	p15, 0, ip, c1, c0, 0		@ ctrl register
94 	bic	ip, ip, #0x000f 		@ ............wcam
95 	bic	ip, ip, #0x1100 		@ ...i...s........
96 	mcr	p15, 0, ip, c1, c0, 0		@ ctrl register
142 	mov	ip, #0
150 	mcrne	p15, 0, ip, c7, c5, 0		@ invalidate I cache
152 	mcrne	p15, 0, ip, c7, c10, 4		@ drain WB
162  *	- start	- start address (inclusive)
163  *	- end	- end address (exclusive)
164  *	- flags	- vm_flags for this space
167 	mov	ip, #0
180 	mcrne	p15, 0, ip, c7, c5, 0		@ invalidate I cache
182 	mcrne	p15, 0, ip, c7, c10, 4		@ drain WB
190  *	region described by start.  If you have non-snooping
193  *	- start	- virtual start address
194  *	- end	- virtual end address
206  *	region described by start.  If you have non-snooping
209  *	- start	- virtual start address
210  *	- end	- virtual end address
213 	mov	ip, #0
214 	bic	r0, r0, #CACHE_DLINESIZE - 1
225 	mcr	p15, 0, ip, c7, c10, 4		@ drain WB
236  *	- addr	- kernel address
237  *	- size	- region size
240 	mov	ip, #0
248 	mcr	p15, 0, ip, c7, c10, 4		@ drain WB
260  *	- start	- virtual start address
261  *	- end	- virtual end address
266 	mov	ip, #0
268 	tst	r0, #CACHE_DLINESIZE - 1
269 	bic	r0, r0, #CACHE_DLINESIZE - 1
271 	tst	r1, #CACHE_DLINESIZE - 1
278 	mcr	p15, 0, ip, c7, c10, 4		@ drain WB
286  *	- start	- virtual start address
287  *	- end	- virtual end address
292 	mov	ip, #0
294 	bic	r0, r0, #CACHE_DLINESIZE - 1
300 	mcr	p15, 0, ip, c7, c10, 4		@ drain WB
308  *	- start	- virtual start address
309  *	- end	- virtual end address
312 	mov	ip, #0
314 	bic	r0, r0, #CACHE_DLINESIZE - 1
320 	mcr	p15, 0, ip, c7, c10, 4		@ drain WB
326  *	- start	- kernel virtual start address
327  *	- size	- size of region
328  *	- dir	- DMA direction
340  *	- start	- kernel virtual start address
341  *	- size	- size of region
342  *	- dir	- DMA direction
351 	mov	ip, #0
426 	.size	__arm1026_setup, . - __arm1026_setup
439 	@ define struct processor (see <asm/proc-fns.h> and proc-macros.S)
447 	string	cpu_arm1026_name, "ARM1026EJ-S"
454 	.long	0x4106a260			@ ARM 1026EJ-S (v5TEJ)
473 	.size	__arm1026_proc_info, . - __arm1026_proc_info