[U-Boot] [PATCH v2 0/6] sunxi: extend SPL header to propagate DRAM size and H6 3GiB DRAM support

[Icenowy Zheng]

于 2018年10月25日 GMT+08:00 下午5:23:01, Icenowy Zheng <icenowy at aosc.io> 写到:
>This series tries to solve three issues we currently have on
>Allwinner boards:
>- The DRAM sizing routine can only cope with power-of-two sized DRAM.
>- The DRAM sizing routine steps through all DRAM, possibly hitting
>secure
>  memory.
>- The SPL header versioning is quite strict and tends to break every
>time
>  we need to update it.
>- On some Allwinner SoCs the maximum supported DRAM size of the DRAM
>  controller is bigger than the accessible DRAM size of the CPU.
>
>So Andre Przywara adapted something along the lines of semantic
>versioning[1], where we can add backwards-compatible changes to the SPL
>header without breaking every tool.
>
>The second patch and the third patches introduces the version schema
>and
>does necessary refactors, then the fourth and the fifth patches prepare
>for 3GiB memory support. The sixth patch finally enables the SPL header
>to store the the DRAM size, and let U-Boot binary check which range is
>accessible when picking the data.
>
>The first patch is a prepare for the other patches, as without it newly
>introduced code will make H6 SPL overflow, which makes the patchset not
>possible to test, as the only available 3GiB DRAM device now is the
>3GiB version of Pine H64 sample.

Jagan, could you have a check on this patchset and apply it?

Thanks!

>
>Andre Przywara (3):
>  sunxi: Extend SPL header versioning
>  sunxi: board.c: refactor SPL header checks
>  sunxi: store DRAM size in SPL header
>
>Icenowy Zheng (3):
>  sunxi: disable Pine A64 model detection code on other boards
>  sunxi: map DRAM part with 3G size
>  sunxi: add Kconfig option for the maximum accessible DRAM
>
> arch/arm/include/asm/arch-sunxi/spl.h | 22 +++++---
> arch/arm/mach-sunxi/Kconfig           | 18 +++++++
> arch/arm/mach-sunxi/board.c           |  2 +-
> board/sunxi/board.c                   | 74 ++++++++++++++++++++++-----
> configs/pine64_plus_defconfig         |  1 +
> 5 files changed, 97 insertions(+), 20 deletions(-)