| /* |
| * Copyright 2012 Actions Semi Inc. |
| * Author: Actions Semi, Inc. |
| * |
| * Copyright (c) 2017 Andreas Färber |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the |
| * Free Software Foundation; either version 2 of the License, or (at your |
| * option) any later version. |
| */ |
| |
| #include <linux/linkage.h> |
| #include <linux/init.h> |
| |
| ENTRY(owl_v7_invalidate_l1) |
| mov r0, #0 |
| mcr p15, 0, r0, c7, c5, 0 @ invalidate I cache |
| mcr p15, 2, r0, c0, c0, 0 |
| mrc p15, 1, r0, c0, c0, 0 |
| |
| ldr r1, =0x7fff |
| and r2, r1, r0, lsr #13 |
| |
| ldr r1, =0x3ff |
| |
| and r3, r1, r0, lsr #3 @ NumWays - 1 |
| add r2, r2, #1 @ NumSets |
| |
| and r0, r0, #0x7 |
| add r0, r0, #4 @ SetShift |
| |
| clz r1, r3 @ WayShift |
| add r4, r3, #1 @ NumWays |
| 1: sub r2, r2, #1 @ NumSets-- |
| mov r3, r4 @ Temp = NumWays |
| 2: subs r3, r3, #1 @ Temp-- |
| mov r5, r3, lsl r1 |
| mov r6, r2, lsl r0 |
| orr r5, r5, r6 @ Reg = (Temp<<WayShift)|(NumSets<<SetShift) |
| mcr p15, 0, r5, c7, c6, 2 |
| bgt 2b |
| cmp r2, #0 |
| bgt 1b |
| dsb |
| isb |
| mov pc, lr |
| ENDPROC(owl_v7_invalidate_l1) |
| |
| ENTRY(owl_secondary_startup) |
| bl owl_v7_invalidate_l1 |
| b secondary_startup |