diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/Kconfig | 3 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/mx6/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/start.S | 6 |
3 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 0a05662..323ff0b 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -85,6 +85,9 @@ config ARM_ERRATA_833069 config ARM_ERRATA_833471 bool +config ARM_ERRATA_845369 + bool + config CPU_ARM720T bool select SYS_CACHE_SHIFT_5 diff --git a/arch/arm/cpu/armv7/mx6/Kconfig b/arch/arm/cpu/armv7/mx6/Kconfig index 401d916..bbd560f 100644 --- a/arch/arm/cpu/armv7/mx6/Kconfig +++ b/arch/arm/cpu/armv7/mx6/Kconfig @@ -7,6 +7,7 @@ config MX6 select ARM_ERRATA_751472 if !MX6UL select ARM_ERRATA_761320 if !MX6UL select ARM_ERRATA_794072 if !MX6UL + select ARM_ERRATA_845369 if !MX6UL config MX6D bool diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S index 7eee54b..43aba71 100644 --- a/arch/arm/cpu/armv7/start.S +++ b/arch/arm/cpu/armv7/start.S @@ -9,6 +9,7 @@ * Copyright (c) 2003 Richard Woodruff <r-woodruff2@ti.com> * Copyright (c) 2003 Kshitij <kshitij@ti.com> * Copyright (c) 2006-2008 Syed Mohammed Khasim <x0khasim@ti.com> + * Copyright (C) 2016 Freescale Semiconductor, Inc. * * SPDX-License-Identifier: GPL-2.0+ */ @@ -186,6 +187,11 @@ ENTRY(cpu_init_cp15) orr r0, r0, #1 << 21 @ set bit #21 mcr p15, 0, r0, c15, c0, 1 @ write diagnostic register #endif +#ifdef CONFIG_ARM_ERRATA_845369 + mrc p15, 0, r0, c15, c0, 1 @ read diagnostic register + orr r0, r0, #1 << 22 @ set bit #22 + mcr p15, 0, r0, c15, c0, 1 @ write diagnostic register +#endif mov r5, lr @ Store my Caller mrc p15, 0, r1, c0, c0, 0 @ r1 has Read Main ID Register (MIDR) |