[U-Boot] [PATCH v7 17/17] jetson-tk1: Add PSCI configuration options and reserve secure code
Jan Kiszka
jan.kiszka at siemens.com
Tue Apr 21 20:10:35 CEST 2015
On 2015-04-21 19:58, Ian Campbell wrote:
> On Tue, 2015-04-21 at 07:18 +0200, Jan Kiszka wrote:
>> From: Ian Campbell <ijc at hellion.org.uk>
>>
>> The secure world code is relocated to the MB just below the top of 4G, we
>> reserve it in the FDT (by setting CONFIG_ARMV7_SECURE_RESERVE_SIZE) but it is
>> not protected in h/w. See next patch.
>
> Next patch, but this is the last one? Was it reordered earlier in the
> series or is it not yet included here?
Yes, I reordered because this one activates the feature. Tom, in case
you apply, please just drop that reference.
Jan
>
>>
>> Signed-off-by: Ian Campbell <ijc at hellion.org.uk>
>> Signed-off-by: Jan Kiszka <jan.kiszka at siemens.com>
>> Reviewed-by: Tom Rini <trini at konsulko.com>
>> Reviewed-by: Thierry Reding <treding at nvidia.com>
>> Tested-by: Thierry Reding <treding at nvidia.com>
>> Tested-by: Ian Campbell <ijc at hellion.org.uk>
>> ---
>> arch/arm/mach-tegra/tegra124/Kconfig | 2 ++
>> include/configs/jetson-tk1.h | 5 +++++
>> 2 files changed, 7 insertions(+)
>>
>> diff --git a/arch/arm/mach-tegra/tegra124/Kconfig b/arch/arm/mach-tegra/tegra124/Kconfig
>> index 88f627c..5114299 100644
>> --- a/arch/arm/mach-tegra/tegra124/Kconfig
>> +++ b/arch/arm/mach-tegra/tegra124/Kconfig
>> @@ -5,6 +5,8 @@ choice
>>
>> config TARGET_JETSON_TK1
>> bool "NVIDIA Tegra124 Jetson TK1 board"
>> + select CPU_V7_HAS_NONSEC if !SPL_BUILD
>> + select CPU_V7_HAS_VIRT if !SPL_BUILD
>>
>> config TARGET_NYAN_BIG
>> bool "Google/NVIDIA Nyan-big Chrombook"
>> diff --git a/include/configs/jetson-tk1.h b/include/configs/jetson-tk1.h
>> index 8c016b7..aeafbd5 100644
>> --- a/include/configs/jetson-tk1.h
>> +++ b/include/configs/jetson-tk1.h
>> @@ -79,4 +79,9 @@
>> #include "tegra-common-usb-gadget.h"
>> #include "tegra-common-post.h"
>>
>> +#define CONFIG_ARMV7_PSCI 1
>> +/* Reserve top 1M for secure RAM */
>> +#define CONFIG_ARMV7_SECURE_BASE 0xfff00000
>> +#define CONFIG_ARMV7_SECURE_RESERVE_SIZE 0x00100000
>> +
>> #endif /* __CONFIG_H */
>
>
--
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Corporate Competence Center Embedded Linux
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