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powerpc/8xx: Add DT node for using the SEC engine of the MPC885

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The MPC885 has SEC engine version 1.2 with the following details:
- Number of Crypto channels: 1
- Exec Units: DEU, MDEU and AESU
- Available descriptors: 00010, 00100, 00110, 01000, 11000, 11010

It is also supposed to have descriptor 00000, but it doesn't work
properly so we keep it out for the moment.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Scott Wood <oss@buserror.net>
This commit is contained in:
Christophe Leroy 2018-10-18 13:57:22 +00:00 • committed by Scott Wood
parent 0400d65501
commit e738c5f155
1 changed files with 12 additions and 1 deletions
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13
arch/powerpc/boot/dts/mpc885ads.dts
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@ -72,7 +72,7 @@
#address-cells = <1>; #address-cells = <1>;
#size-cells = <1>; #size-cells = <1>;
device_type = "soc"; device_type = "soc";
ranges = <0x0 0xff000000 0x4000>; ranges = <0x0 0xff000000 0x28000>;
bus-frequency = <0>; bus-frequency = <0>;
// Temporary -- will go away once kernel uses ranges for get_immrbase(). // Temporary -- will go away once kernel uses ranges for get_immrbase().
@ -224,6 +224,17 @@
#size-cells = <0>; #size-cells = <0>;
}; };
}; };
crypto@20000 {
compatible = "fsl,sec1.2", "fsl,sec1.0";
reg = <0x20000 0x8000>;
interrupts = <1 1>;
interrupt-parent = <&PIC>;
fsl,num-channels = <1>;
fsl,channel-fifo-len = <24>;
fsl,exec-units-mask = <0x4c>;
fsl,descriptor-types-mask = <0x05000154>;
};
}; };
chosen { chosen {