[PATCH v2 00/12] mips: Add initial Octeon MIPS64 base support

Stefan Roese sr at denx.de
Tue Jun 2 12:59:32 CEST 2020


Hi Daniel,

On 26.05.20 14:23, Stefan Roese wrote:
> Hi Daniel,
> 
> On 14.05.20 11:59, Stefan Roese wrote:
>>
>> This patch adds very basic support for the Octeon III SoCs. Only CFI
>> parallel UART, reset and NOR flash are supported for now.
>>
>> Please note that the basic Octeon port does not include the DDR3/4
>> initialization yet. This will be added in some follow-up patches later.
>> To still use U-Boot on with this port, the L2 cache (4MiB on Octeon III
>> CN73xx) is used as RAM. This way, U-Boot can boot to the prompt on such
>> boards.
>>
>> Thanks,
>> Stefan
>>
>> Changes in v2:
>> - New patch
>> - New patch
>> - Restructure patch by adding empty functions to asm/cm.h instead
>> - New patch
>> - New patch
>> - Move bit macro definition to mipsregs.h
>> - Remove custom start.S and use common start.S. Minimal custom lowlevel
>>    init code is currently added in the custom lowlevel_init.S. This needs
>>    to be extended with necessary code, like errata handling etc. But for
>>    a very first basic port, this seems to be all thats needed to boot on
>>    the EBB7304 to the prompt.
>> - Removed select CREATE_ARCH_SYMLINK
>> - Removed Octeon II support, as its currently no added in this patchset
>> - Added cache.c to add the platform specific cache functions as no-ops
>>    for Octeon as the platform is cache coherent
>> - Removed CONFIG_MIPS_CACHE_COHERENT
>> - Added CONFIG_CPU_CAVIUM_OCTEON to Kconfig and selected it for Octeon
>>    to enable better sync with the Linux files in the future
>> - Add get_tbclk() -> no need to define CONFIG_SYS_MIPS_TIMER_FREQ any 
>> more
>> - Removed CONFIG_SYS_MIPS_TIMER_FREQ
> 
> Daniel, do you have any comments and / or change requests to v2 of this
> base Octeon patchset?

Sorry for triggering you again on this. Again my question, if you
have any comments on the latest patchet version.

Thanks,
Stefan


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