[PATCH v2 5/7] arm: dts: k3-am69: ddr: Update to v0.12.0 of DDR config tool
Franz Schnyder
fra.schnyder at gmail.com
Fri Nov 7 16:44:05 CET 2025
Hi Neha,
On Mon, Nov 03, 2025 at 12:40:33PM +0530, Neha Malcom Francis wrote:
> +#define DDRSS0_CTL_178_DATA 0x35000000
> +#define DDRSS0_CTL_186_DATA 0x00353500
> +#define DDRSS0_PI_275_DATA 0x00F30084
> +#define DDRSS0_PI_281_DATA 0x00F30084
> +#define DDRSS0_PI_287_DATA 0x00F30084
> +#define DDRSS0_PI_293_DATA 0x00F30084
> ....
> +#define DDRSS1_CTL_178_DATA 0x35000000
> +#define DDRSS1_CTL_186_DATA 0x00353500
> +#define DDRSS1_PI_275_DATA 0x00F30084
> +#define DDRSS1_PI_281_DATA 0x00F30084
> +#define DDRSS1_PI_287_DATA 0x00F30084
> +#define DDRSS1_PI_293_DATA 0x00F30084
> ....
> +#define DDRSS2_CTL_178_DATA 0x35000000
> +#define DDRSS2_CTL_186_DATA 0x00353500
> +#define DDRSS2_PI_275_DATA 0x00F30084
> +#define DDRSS2_PI_281_DATA 0x00F30084
> +#define DDRSS2_PI_287_DATA 0x00F30084
> +#define DDRSS2_PI_293_DATA 0x00F30084
> ....
> +#define DDRSS3_CTL_178_DATA 0x35350000
> +#define DDRSS3_CTL_186_DATA 0x00353535
> +#define DDRSS3_PI_275_DATA 0x35F30084
> +#define DDRSS3_PI_281_DATA 0x35F30084
> +#define DDRSS3_PI_287_DATA 0x35F30084
> +#define DDRSS3_PI_293_DATA 0x35F30084
When I compare the updated configuration to the one for our Aquila AM69
board, I can observe that you have set an on-die termination at boot
frequency only for DRAM3. DRAM, DRAM1 and DRAM2 do not seem to have any
termination enabled. Is this a mistake or is it intentional?
kind regards,
Franz
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