[PATCH 2/3] ram: rk3328: add support ddr4 init
Da Xue
da at libre.computer
Sun Jun 21 02:55:08 CEST 2020
Hi Kever,
Any chance you will be adding higher DDR4 speeds like 800/933/1066/1200?
333MHz is kind of limiting. We are trying to switch to upstream u-boot for
ROC-RK3328-CC and ROC-RK3399-PC.
Best,
Da
On Tue, Jan 7, 2020 at 2:16 AM Kever Yang <kever.yang at rock-chips.com> wrote:
> From: YouMin Chen <cym at rock-chips.com>
>
> Add rk3328-sdram-ddr4-666.dtsi for support ddr4 init.
>
> Signed-off-by: YouMin Chen <cym at rock-chips.com>
> Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
> ---
>
> arch/arm/dts/rk3328-sdram-ddr4-666.dtsi | 216 ++++++++++++++++++++++++
> 1 file changed, 216 insertions(+)
> create mode 100644 arch/arm/dts/rk3328-sdram-ddr4-666.dtsi
>
> diff --git a/arch/arm/dts/rk3328-sdram-ddr4-666.dtsi
> b/arch/arm/dts/rk3328-sdram-ddr4-666.dtsi
> new file mode 100644
> index 0000000000..0859649a69
> --- /dev/null
> +++ b/arch/arm/dts/rk3328-sdram-ddr4-666.dtsi
> @@ -0,0 +1,216 @@
> +// 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
> +
> + 0x94291288
> + 0x00000000
> + 0x00000027
> + 0x00000462
> + 0x00000015
> + 0x00000242
> + 0x000000ff
> +
> + 333
> + 0
> + 1
> + 0
> + 0
> +
> + 0x00000000
> + 0x43049010
> + 0x00000064
> + 0x0028003b
> + 0x000000d0
> + 0x00020053
> + 0x000000d4
> + 0x00220000
> + 0x000000d8
> + 0x00000100
> + 0x000000dc
> + 0x00040000
> + 0x000000e0
> + 0x00000000
> + 0x000000e4
> + 0x00110000
> + 0x000000e8
> + 0x00000420
> + 0x000000ec
> + 0x00000400
> + 0x000000f4
> + 0x000f011f
> + 0x00000100
> + 0x09060b06
> + 0x00000104
> + 0x00020209
> + 0x00000108
> + 0x0505040a
> + 0x0000010c
> + 0x0040400c
> + 0x00000110
> + 0x05030206
> + 0x00000114
> + 0x03030202
> + 0x00000120
> + 0x03030b03
> + 0x00000124
> + 0x00020208
> + 0x00000180
> + 0x01000040
> + 0x00000184
> + 0x00000000
> + 0x00000190
> + 0x07030003
> + 0x00000198
> + 0x05001100
> + 0x000001a0
> + 0xc0400003
> + 0x00000240
> + 0x06000604
> + 0x00000244
> + 0x00000201
> + 0x00000250
> + 0x00000f00
> + 0x00000490
> + 0x00000001
> + 0xffffffff
> + 0xffffffff
> + 0xffffffff
> + 0xffffffff
> +
> + 0x00000004
> + 0x0000000c
> + 0x00000028
> + 0x0000000a
> + 0x0000002c
> + 0x00000000
> + 0x00000030
> + 0x00000009
> + 0xffffffff
> + 0xffffffff
> +
> + 0x77
> + 0x88
> + 0x79
> + 0x79
> + 0x87
> + 0x97
> + 0x87
> + 0x78
> + 0x77
> + 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
> + 0x77
> + 0x77
> + 0x77
> + 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
> + >;
> +};
> --
> 2.17.1
>
>
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