diff options
Diffstat (limited to 'arch/arm/plat-mxc')
| -rw-r--r-- | arch/arm/plat-mxc/Kconfig | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/Kconfig b/arch/arm/plat-mxc/Kconfig index d6f061142717..fd4f53228a38 100644 --- a/arch/arm/plat-mxc/Kconfig +++ b/arch/arm/plat-mxc/Kconfig @@ -11,6 +11,20 @@ config ARCH_MX3 help This enables support for systems based on Freescale i.MX31 +config MX31_TO2_REG_SWIZZLE_WORKAROUND + bool "MX31-TO2 Register Swizzle Workaround" + depends on ARCH_MX3 + help + This option attempts to work around a problem discovered with + MX31-TO2 silicon where a general register is loaded with an + address constant from a PC-relative location. Upon going + indirect through this register, the address value contained + in the register will have been rotated right by 8 bits, causing + a memory fault. The cause of the rotation is not known, nor is + the reason why this work around seems to make the problem go + away. If you are using MX31-TO2 silicon and are faulting on + rotated addresses, enable this option. + config ARCH_MX27 bool "MX27-based" select MXC_EMMA |