[PATCH] arm: dts: Enable full 4GB LPDDR4

Devarsh Thakkar devarsht at ti.com
Mon Feb 6 15:59:50 CET 2023


Hi Tom, Bryan,

Thanks for the review.
On 06/02/23 20:22, Tom Rini wrote:
> On Mon, Feb 06, 2023 at 05:04:51PM +0530, Devarsh Thakkar wrote:
> 
>> AM62A7-SK board has 4GB LPDDR4 Micron MT53E2G32D4DE-046 AUT:B part
>> but only 2GB was enabled early.
>>
>> Enable full 4GB memory by updating the latter 2GB memory region
>> which gets mapped to 0x0880000000 i.e. DDR16SS0_SDRAM as referred in
>> Table 2-1. AM62A Common SoC Memory of AM62Ax TRM [1].
>>
>> [1] : https://www.ti.com/lit/zip/spruj16
>> Logs: https://gist.github.com/devarsht/e85b6af89c01ddadb3a62f3e5f196af8
>>
>> Signed-off-by: Devarsh Thakkar <devarsht at ti.com>
>> ---
>>  arch/arm/dts/k3-am62a7-r5-sk.dts | 4 +++-
>>  arch/arm/dts/k3-am62a7-sk.dts    | 5 +++--
>>  2 files changed, 6 insertions(+), 3 deletions(-)
> 
> The subject should include am62x in it, 
It's am62ax actually, will add that in subject in V2.
and what is the status of the
> changes to k3-am62a7-sk.dts upstream?
Below is the corresponding kernel patch:
https://lore.kernel.org/all/20230206115240.6026-1-devarsht@ti.com/

Regards
Devarsh
> 


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