arm64: zynqmp: Start TPM automatically via preboot on Kria

SOMs have HW tpm but previous stages won't start it that's why start it at
U-Boot which will also provide access to random generator and it's usage
with KASLR.

Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/dffd2ee4cf2844832ebbdabefca0099cd2629ccc.1704980933.git.michal.simek@amd.com

diff --git a/board/xilinx/zynqmp/zynqmp_kria.env b/board/xilinx/zynqmp/zynqmp_kria.env
index 36182f1..0f940bd 100644 (file)
--- a/board/xilinx/zynqmp/zynqmp_kria.env
+++ b/board/xilinx/zynqmp/zynqmp_kria.env
@@ -60,7 +60,10 @@ kr260_setup=i2c dev 1 && run usb_hub_init; i2c dev 2 && run usb_hub_init;
 # usb hub init with enabling PM nodes for ...
 kd240_setup=i2c dev 1 && run usb_hub_init;zynqmp pmufw node 33; zynqmp pmufw node 47
 
+tpm_setup=tpm autostart;
+
 board_setup=\
 if test ${card1_name} = SCK-KV-G; then run kv260_setup; fi;\
 if test ${card1_name} = SCK-KR-G; then run kr260_setup; fi;\
-if test ${card1_name} = SCK-KD-G; then run kd240_setup; fi;
+if test ${card1_name} = SCK-KD-G; then run kd240_setup; fi;\
+run tpm_setup