[U-Boot] [PATCH v2 1/7] arm: K3: Avoid use of MCU_PSRAM0 before SYSFW is loaded
Andrew F. Davis
afd at ti.com
Wed Apr 10 15:24:55 UTC 2019
On 2/21/19 6:10 PM, Tom Rini wrote:
> On Thu, Feb 21, 2019 at 04:35:06PM -0600, Andrew F. Davis wrote:
>> On HS devices the 512b region of reset isolated memory called
>> MCU_PSRAM0 is firewalled by default. Until SYSFW is loaded we
>> cannot use this memory. It is only used to store a single value
>> left at the end of SRAM by ROM that will be needed later. Save
>> that value to a global variable stored in the .data section.
>> This section is used as .bss will be cleared between saving
>> this value and using it.
>> Signed-off-by: Andrew F. Davis <afd at ti.com>
>> Reviewed-by: Andreas Dannenberg <dannenberg at ti.com>
>> Reviewed-by: Lokesh Vutla <lokeshvutla at ti.com>
> Reviewed-by: Tom Rini <trini at konsulko.com>
Ping, these all still apply to latest master.
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