[PATCH 1/2] ram: rk3328: add ddr4-1600 sdram timing

[Kever Yang]

On 2025/6/11 03:08, Christian Hewitt wrote:
> From: Da Xue <da at libre.computer>
>
> Add DDR4 1600MHz SDRAM timing data from LibreComputer u-boot sources
> for the ROC-3328-CC board.
>
> Signed-off-by: Da Xue <da at libre.computer>
> Signed-off-by: Christian Hewitt <christianshewitt at gmail.com>
Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever
> ---
>   arch/arm/dts/rk3328-sdram-ddr4-1600.dtsi | 226 +++++++++++++++++++++++
>   1 file changed, 226 insertions(+)
>   create mode 100644 arch/arm/dts/rk3328-sdram-ddr4-1600.dtsi
>
> diff --git a/arch/arm/dts/rk3328-sdram-ddr4-1600.dtsi b/arch/arm/dts/rk3328-sdram-ddr4-1600.dtsi
> new file mode 100644
> index 00000000000..9594bb42839
> --- /dev/null
> +++ b/arch/arm/dts/rk3328-sdram-ddr4-1600.dtsi
> @@ -0,0 +1,226 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +// Copyright (c) 2018 Fuzhou Rockchip Electronics Co., Ltd.
> +
> +&dmc {
> +	rockchip,sdram-params = <
> +		0x1
> +		0xA
> +		0x2
> +		0x1
> +		0x0
> +		0x0
> +		0x11
> +		0x0
> +		0x11
> +		0x0
> +		0
> +
> +		0x94496354
> +		0x00000000
> +		0x0000002a
> +		0x000004e2
> +		0x00000015
> +		0x0000034a
> +		0x000000ff
> +
> +		800
> +		0
> +		1
> +		0
> +		0
> +
> +		0x00000000
> +		0x43041010
> +		0x00000064
> +		0x0061008c
> +		0x000000d0
> +		0x000200c5
> +		0x000000d4
> +		0x00500000
> +		0x000000d8
> +		0x00000100
> +		0x000000dc
> +		0x03140401
> +		0x000000e0
> +		0x00000000
> +		0x000000e4
> +		0x00110000
> +		0x000000e8
> +		0x00000420
> +		0x000000ec
> +		0x00000400
> +		0x000000f4
> +		0x000f011f
> +		0x00000100
> +		0x0c0e1b0e
> +		0x00000104
> +		0x00030314
> +		0x00000108
> +		0x0506050b
> +		0x0000010c
> +		0x0040400c
> +		0x00000110
> +		0x06030307
> +		0x00000114
> +		0x04040302
> +		0x00000120
> +		0x06060b06
> +		0x00000124
> +		0x00020308
> +		0x00000180
> +		0x01000040
> +		0x00000184
> +		0x00000000
> +		0x00000190
> +		0x07040003
> +		0x00000198
> +		0x05001100
> +		0x000001a0
> +		0xc0400003
> +		0x00000240
> +		0x0600060c
> +		0x00000244
> +		0x00000201
> +		0x00000250
> +		0x00000f00
> +		0x00000490
> +		0x00000001
> +		0xffffffff
> +		0xffffffff
> +		0xffffffff
> +		0xffffffff
> +		0xffffffff
> +		0xffffffff
> +		0xffffffff
> +		0xffffffff
> +		0xffffffff
> +		0xffffffff
> +		0xffffffff
> +		0xffffffff
> +		0xffffffff
> +		0xffffffff
> +
> +		0x00000004
> +		0x0000000c
> +		0x00000028
> +		0x0000000c
> +		0x0000002c
> +		0x00000000
> +		0x00000030
> +		0x00000009
> +		0xffffffff
> +		0xffffffff
> +
> +		0x77
> +		0x88
> +		0x79
> +		0x79
> +		0x87
> +		0x97
> +		0x87
> +		0x78
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> +		0x78
> +		0x87
> +		0x88
> +		0x87
> +		0x87
> +		0x77
> +
> +		0x78
> +		0x78
> +		0x78
> +		0x78
> +		0x78
> +		0x78
> +		0x78
> +		0x78
> +		0x78
> +		0x69
> +		0x9
> +
> +		0x77
> +		0x78
> +		0x77
> +		0x78
> +		0x77
> +		0x78
> +		0x77
> +		0x78
> +		0x77
> +		0x79
> +		0x9
> +
> +		0x78
> +		0x78
> +		0x78
> +		0x78
> +		0x78
> +		0x78
> +		0x78
> +		0x78
> +		0x78
> +		0x69
> +		0x9
> +
> +		0x77
> +		0x78
> +		0x77
> +		0x77
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> +		0x77
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> +		0x77
> +		0x77
> +		0x79
> +		0x9
> +
> +		0x78
> +		0x78
> +		0x78
> +		0x78
> +		0x78
> +		0x78
> +		0x78
> +		0x78
> +		0x78
> +		0x69
> +		0x9
> +
> +		0x77
> +		0x78
> +		0x77
> +		0x78
> +		0x77
> +		0x78
> +		0x77
> +		0x78
> +		0x77
> +		0x79
> +		0x9
> +
> +		0x78
> +		0x78
> +		0x78
> +		0x78
> +		0x78
> +		0x78
> +		0x78
> +		0x78
> +		0x78
> +		0x69
> +		0x9
> +
> +		0x77
> +		0x78
> +		0x77
> +		0x77
> +		0x77
> +		0x77
> +		0x77
> +		0x77
> +		0x77
> +		0x79
> +		0x9
> +	>;
> +};

-- 
Thanks & Best regards,
   Kever Yang
**************************************************************************************************
杨凯  市场部             Kever Yang      Marketing Department
瑞芯微电子股份有限公司                Rockchip Electronics Co.，Ltd。
地址：福建省福州市铜盘路软件大道89号软件园A区18号楼 (350003)
Addr : No.18 Building，A District，No.89，Fuzhou Software Boulevard，Fuzhou，Fujian，PRC