Re: [PATCH master 0/4] ARM: i.MX8M: fix various miscalculation of DRAM size

[Ahmad Fatoum <a.fatoum@pengutronix.de>]

On 23.06.22 12:30, Ahmad Fatoum wrote:
> This fixes issues of wrong DRAM size calculation for imx8mq-evk,
> phytec-som-imx8mq, zii-imx8mq-dev as well as an out-of-tree 
> i.MX8MM board I have.
> 
> For i.MX8MN-EVK, DDR4 size is correctly calculated, but not LPDDR4.
> I can't see where the issue is though, so I am disabling detection
> there until it's figured out. Device Tree already contains correct
> RAM size.

i.MX8MN has only 16-bit wide bus, which would explain the discrepancy.
v2 incoming..

> 
> Ahmad Fatoum (4):
>   ARM: i.MX8M: esdctl: ignore ADDRMAP8 for non-DDR4
>   ARM: i.MX8MQ: initialize ADDRMAP7
>   ddr: imx8m: workaround old spreadsheets not initializing ADDRMAP7
>   ARM: i.MX8M: imx8mn-evk: disable DDRC memory detection
> 
>  arch/arm/boards/nxp-imx8mn-evk/board.c       |  7 +++++++
>  arch/arm/boards/nxp-imx8mq-evk/ddr_init.c    |  3 ++-
>  arch/arm/boards/phytec-som-imx8mq/ddr_init.c |  1 +
>  arch/arm/boards/zii-imx8mq-dev/ddr_init.c    |  3 ++-
>  arch/arm/mach-imx/esdctl.c                   |  8 +++++++-
>  drivers/ddr/imx8m/ddr_init.c                 | 18 ++++++++++++++++++
>  drivers/ddr/imx8m/helper.c                   |  6 ++++++
>  include/soc/imx8m/ddr.h                      |  1 +
>  8 files changed, 44 insertions(+), 3 deletions(-)
> 


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