[PATCH v2 1/6] sunxi: A133: add DRAM init code

[Cody Eksal]

On 2025/05/10 10:09 pm, Andre Przywara wrote:
> From: Cody Eksal <masterr3c0rd at epochal.quest>
> 
> This adds preliminary support for the DRAM controller in the Allwinner
> A100/A133 SoCs.
> This is work in progress, and has rough edges, but works on at least
> three different boards. It contains support for DDR4 and LPDDR4.
> 
> [Andre: formatting fixes, adapt to mainline, drop unused parameters,
> 	remove struct struct sunxi_mctl_com_reg, hardcode MR registers,
> 	switch to mctl_check_pattern(), remove simple DRAM check]

Thank you Andre for cleaning up my patches. Life has a nasty way of
getting in the way when it's least convenient.

Signed-off-by: Cody Eksal <masterr3c0rd at epochal.quest>

- Cody

> ---
>  .../include/asm/arch-sunxi/cpu_sun50i_h6.h    |    4 +
>  arch/arm/include/asm/arch-sunxi/dram.h        |    2 +
>  .../include/asm/arch-sunxi/dram_sun50i_a133.h |  230 ++++
>  arch/arm/mach-sunxi/Kconfig                   |  104 +-
>  arch/arm/mach-sunxi/Makefile                  |    2 +
>  arch/arm/mach-sunxi/dram_sun50i_a133.c        | 1204 +++++++++++++++++
>  arch/arm/mach-sunxi/dram_timings/Makefile     |    2 +
>  arch/arm/mach-sunxi/dram_timings/a133_ddr4.c  |   80 ++
>  .../arm/mach-sunxi/dram_timings/a133_lpddr4.c |  102 ++
>  9 files changed, 1722 insertions(+), 8 deletions(-)
>  create mode 100644 arch/arm/include/asm/arch-sunxi/dram_sun50i_a133.h
>  create mode 100644 arch/arm/mach-sunxi/dram_sun50i_a133.c
>  create mode 100644 arch/arm/mach-sunxi/dram_timings/a133_ddr4.c
>  create mode 100644 arch/arm/mach-sunxi/dram_timings/a133_lpddr4.c
>