Add bootmode override support for ZynqMP devices. Allows one to select
a boot device by running "reboot qspi32" for example. Activate config
item CONFIG_SYSCON_REBOOT_MODE to make this work.
Signed-off-by: Mike Looijmans <mike.looijmans@xxxxxxxx>
---
arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
index 26d926eb1431..4c38d77ecbba 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
@@ -246,6 +246,30 @@
};
};
+ /* Clock and Reset control registers for LPD */
+ lpd_apb: apb@ff5e0000 {
+ compatible = "syscon", "simple-mfd";
+ reg = <0x0 0xff5e0000 0x0 0x400>;
+ reboot-mode {
+ compatible = "syscon-reboot-mode";
+ offset = <0x200>;
+ mask = <0xf100>;
+ /* Bit(8) is the "force user" bit */
+ mode-normal = <0x0000>;
+ mode-psjtag = <0x0100>;
+ mode-qspi24 = <0x1100>;
+ mode-qspi32 = <0x2100>;
+ mode-sd0 = <0x3100>;
+ mode-nand = <0x4100>;
+ mode-sd1 = <0x6100>;
+ mode-emmc = <0x6100>;
+ mode-usb0 = <0x7100>;
+ mode-pjtag0 = <0x8100>;
+ mode-pjtag1 = <0x9100>;
+ mode-sd1ls = <0xe100>;
+ };
+ };
+
/* GDMA */
fpd_dma_chan1: dma@fd500000 {
status = "disabled";
--
2.17.1
