diff options
Diffstat (limited to 'arch/arm/dts/imx8mp-karo-qsxp-ml81.dtsi')
-rw-r--r-- | arch/arm/dts/imx8mp-karo-qsxp-ml81.dtsi | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/arch/arm/dts/imx8mp-karo-qsxp-ml81.dtsi b/arch/arm/dts/imx8mp-karo-qsxp-ml81.dtsi new file mode 100644 index 0000000000..e47623a1a5 --- /dev/null +++ b/arch/arm/dts/imx8mp-karo-qsxp-ml81.dtsi @@ -0,0 +1,112 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) +/* + * Copyright (C) 2020 Lothar Waßmann <LW@KARO-electronics.de> + * + */ + +/dts-v1/; + +#include "imx8mp-karo-qsxp-ml81-upstream.dtsi" + +/ { + chosen { + environment-emmc { + compatible = "barebox,environment"; + device-path = &env_emmc; + status = "disabled"; + }; + }; + + aliases { + state = &state_emmc; + }; + + state_emmc: state { + compatible = "barebox,state"; + magic = <0xabff4b1f>; + backend-type = "raw"; + backend = <&usdhc3>; + backend-storage-type="direct"; + /* + * barebox-state partition size: 1 MiB + * nr. of redundant copies: 4 + * ==> max. stride size: 1 MiB / 4 = 256 KiB = 262144 Byte + * + * stride size: 262144 Byte + * raw-header: - 16 Byte + * direct-storage: - 8 Byte + * ------------ + * max state size: 262120 Byte + * =========== + */ + backend-stridesize = <0x40000>; + #address-cells = <1>; + #size-cells = <1>; + + bootstate { + #address-cells = <1>; + #size-cells = <1>; + + system0 { + #address-cells = <1>; + #size-cells = <1>; + + remaining_attempts@0 { + reg = <0x0 0x4>; + type = "uint32"; + default = <2>; + }; + + priority@4 { + reg = <0x4 0x4>; + type= "uint32"; + default = <21>; + }; + }; + + system1 { + #address-cells = <1>; + #size-cells = <1>; + + remaining_attempts@8 { + reg = <0x8 0x4>; + type = "uint32"; + default = <2>; + }; + + priority@c { + reg = <0xc 0x4>; + type= "uint32"; + default = <20>; + }; + }; + + last_chosen@10 { + reg = <0x10 0x4>; + type = "uint32"; + }; + }; + }; +}; + +&usdhc2 { + status = "disabled"; +}; + +&usdhc3 { + partitions { + compatible = "fixed-partitions"; + #address-cells = <2>; + #size-cells = <2>; + + partition@0 { + label = "barebox"; + reg = <0x0 0x0 0x0 0x100000>; + }; + + env_emmc: partition@100000 { + label = "dt-barebox-environment"; + reg = <0x0 0x100000 0x0 0x100000>; + }; + }; +}; |