Re: [PATCH v1] ARM: decompressor: reset ttbcr fields to use TTBR0 on ARMv7

2016-09-28 Thread Russell King - ARM Linux
On Wed, Sep 28, 2016 at 06:15:28PM +0530, Srinivas Ramana wrote: > If the bootloader uses the long descriptor format and jumps to > kernel decompressor code, TTBCR may not be in a right state. > Before enabling the MMU, it is required to clear the TTBCR.PD0 > field to use TTBR0 for translation tabl

[PATCH v1] ARM: decompressor: reset ttbcr fields to use TTBR0 on ARMv7

2016-09-28 Thread Srinivas Ramana
If the bootloader uses the long descriptor format and jumps to kernel decompressor code, TTBCR may not be in a right state. Before enabling the MMU, it is required to clear the TTBCR.PD0 field to use TTBR0 for translation table walks. The commit dbece45894d3a ("ARM: 7501/1: decompressor: reset ttb