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

2016-09-27 Thread Robin Murphy
On 27/09/16 13:16, Srinivas Ramana wrote: > Hi Robin, Sorry! This one had slipped my mind already... > On 09/13/2016 08:22 PM, Srinivas Ramana wrote: >> On 09/12/2016 11:21 PM, Robin Murphy wrote: >>> On 12/09/16 07:57, Srinivas Ramana wrote: If the bootloader uses the long descriptor

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

2016-09-27 Thread Robin Murphy
On 27/09/16 13:16, Srinivas Ramana wrote: > Hi Robin, Sorry! This one had slipped my mind already... > On 09/13/2016 08:22 PM, Srinivas Ramana wrote: >> On 09/12/2016 11:21 PM, Robin Murphy wrote: >>> On 12/09/16 07:57, Srinivas Ramana wrote: If the bootloader uses the long descriptor

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

2016-09-27 Thread Srinivas Ramana
Hi Robin, On 09/13/2016 08:22 PM, Srinivas Ramana wrote: On 09/12/2016 11:21 PM, Robin Murphy wrote: On 12/09/16 07:57, 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,

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

2016-09-27 Thread Srinivas Ramana
Hi Robin, On 09/13/2016 08:22 PM, Srinivas Ramana wrote: On 09/12/2016 11:21 PM, Robin Murphy wrote: On 12/09/16 07:57, 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,

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

2016-09-13 Thread Srinivas Ramana
On 09/12/2016 11:21 PM, Robin Murphy wrote: On 12/09/16 07:57, 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

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

2016-09-13 Thread Srinivas Ramana
On 09/12/2016 11:21 PM, Robin Murphy wrote: On 12/09/16 07:57, 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

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

2016-09-12 Thread Robin Murphy
On 12/09/16 07:57, 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 table walks. > > The

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

2016-09-12 Thread Robin Murphy
On 12/09/16 07:57, 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 table walks. > > The

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

2016-09-12 Thread Russell King - ARM Linux
On Mon, Sep 12, 2016 at 12:27:00PM +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

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

2016-09-12 Thread Russell King - ARM Linux
On Mon, Sep 12, 2016 at 12:27:00PM +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

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

2016-09-12 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

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

2016-09-12 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