[PATCH v2 0/2] Fix sdram size detection on RK3568 and RK3588

[Eugen Hristev]

On 2/7/23 19:27, Jonas Karlman wrote:
> DRAM initialization blobs for rk356x and rk3588 from vendor encode sdram
> info in a new version 3 format. The new format makes use of more bits in
> sys_reg3 compared to the version 2 format. RK3588 blob also encode
> information on sdram channel 3+4 in sys_reg4+5 using the same format.
> 
> This series adds support for decoding basic information from this new
> version 3 format. It also adds support for adding a second dram bank
> with any usable memory beyond the 4GB mark.
> 
> With these patches my Radxa ROCK 3 Model A 2GB correctly report 2GB of
> DRAM, instead of 4GB, and my 8GB board can make full use of its memory.
> My Radxa ROCK 5 Model B 8GB also correctly report and can make full use
> of its 8GB of DRAM with these patches.
> 
> Changes in v2:
> - Change CONFIG_SYS_SDRAM_BASE to CFG_SYS_SDRAM_BASE
> - Added a note on RK3588 blobs use of sys_reg4+5 to cover letter
> 
> Jonas Karlman (2):
>    rockchip: sdram: add basic support for sdram reg info version 3
>    rockchip: sdram: add dram bank with usable memory beyond 4GB
> 
>   arch/arm/include/asm/arch-rockchip/sdram.h | 28 +++++++++++++++-------
>   arch/arm/mach-rockchip/sdram.c             | 21 ++++++++++++----
>   2 files changed, 35 insertions(+), 14 deletions(-)
> 

Tested-by: Eugen Hristev <eugen.hristev at collabora.com>

Thanks !