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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-10-20 00:10:27 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-10-20 00:10:27 -0300
commitd0b2f91bede3bd5e3d24dd6803e56eee959c1797 (patch)
tree7fee4ab0509879c373c4f2cbd5b8a5be5b4041ee /arch/arm/mm/proc-v7.S
parente914f8eb445e8f74b00303c19c2ffceaedd16a05 (diff)
Linux-libre 4.8.2-gnupck-4.8.2-gnu
Diffstat (limited to 'arch/arm/mm/proc-v7.S')
-rw-r--r--arch/arm/mm/proc-v7.S44
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index 6fcaac8e2..d00d52c9d 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -16,6 +16,7 @@
#include <asm/hwcap.h>
#include <asm/pgtable-hwdef.h>
#include <asm/pgtable.h>
+#include <asm/memory.h>
#include "proc-macros.S"
@@ -362,6 +363,39 @@ __ca15_errata:
#endif
b __errata_finish
+__ca12_errata:
+#ifdef CONFIG_ARM_ERRATA_818325_852422
+ mrc p15, 0, r10, c15, c0, 1 @ read diagnostic register
+ orr r10, r10, #1 << 12 @ set bit #12
+ mcr p15, 0, r10, c15, c0, 1 @ write diagnostic register
+#endif
+#ifdef CONFIG_ARM_ERRATA_821420
+ mrc p15, 0, r10, c15, c0, 2 @ read internal feature reg
+ orr r10, r10, #1 << 1 @ set bit #1
+ mcr p15, 0, r10, c15, c0, 2 @ write internal feature reg
+#endif
+#ifdef CONFIG_ARM_ERRATA_825619
+ mrc p15, 0, r10, c15, c0, 1 @ read diagnostic register
+ orr r10, r10, #1 << 24 @ set bit #24
+ mcr p15, 0, r10, c15, c0, 1 @ write diagnostic register
+#endif
+ b __errata_finish
+
+__ca17_errata:
+#ifdef CONFIG_ARM_ERRATA_852421
+ cmp r6, #0x12 @ only present up to r1p2
+ mrcle p15, 0, r10, c15, c0, 1 @ read diagnostic register
+ orrle r10, r10, #1 << 24 @ set bit #24
+ mcrle p15, 0, r10, c15, c0, 1 @ write diagnostic register
+#endif
+#ifdef CONFIG_ARM_ERRATA_852423
+ cmp r6, #0x12 @ only present up to r1p2
+ mrcle p15, 0, r10, c15, c0, 1 @ read diagnostic register
+ orrle r10, r10, #1 << 12 @ set bit #12
+ mcrle p15, 0, r10, c15, c0, 1 @ write diagnostic register
+#endif
+ b __errata_finish
+
__v7_pj4b_setup:
#ifdef CONFIG_CPU_PJ4B
@@ -443,6 +477,16 @@ __v7_setup_cont:
teq r0, r10
beq __ca9_errata
+ /* Cortex-A12 Errata */
+ ldr r10, =0x00000c0d @ Cortex-A12 primary part number
+ teq r0, r10
+ beq __ca12_errata
+
+ /* Cortex-A17 Errata */
+ ldr r10, =0x00000c0e @ Cortex-A17 primary part number
+ teq r0, r10
+ beq __ca17_errata
+
/* Cortex-A15 Errata */
ldr r10, =0x00000c0f @ Cortex-A15 primary part number
teq r0, r10