arm64: xilinx: Describe TPM reset for Kria CCs

Describe carrier card TPM reset behavior and show message about it on boot
console to let users know what to expect from it.

Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/2c0cb3a2b27a3bf0ede75c5ccded2d086d9c62b0.1721136547.git.michal.simek@amd.com

diff --git a/board/xilinx/zynqmp/zynqmp_kria.env b/board/xilinx/zynqmp/zynqmp_kria.env
index 69e333c538870b7414e98d57ba15c2ca871fae9c..49ef3e7d7532663297b5b6def070157c25eb13f6 100644 (file)
--- a/board/xilinx/zynqmp/zynqmp_kria.env
+++ b/board/xilinx/zynqmp/zynqmp_kria.env
@@ -63,10 +63,13 @@ kr260_setup=i2c dev 1 && run usb_hub_init; i2c dev 2 && run usb_hub_init;
 kd240_setup=i2c dev 1 && run usb_hub_init;zynqmp pmufw node 33; zynqmp pmufw node 47
 
 tpm_setup=tpm autostart;
+tpm_reset=echo "!!! For TPM reset a full power cycle or pressing the POR_B button is required !!!";
+tpm_kv260=if test ${card1_rev} = A -o ${card1_rev} = B -o ${card1_rev} = Y -o ${card1_rev} = Z -o ${card1_rev} = 1; then run tpm_reset; fi
+tpm_kd240=if test ${card1_rev} = A; then run tpm_reset; fi
 
 board_setup=\
 zynqmp mmio_write 0xFFCA0010 0xfff 0; \
-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-KV-G; then run kv260_setup; run tpm_kv260; fi;\
+if test ${card1_name} = SCK-KR-G; then run kr260_setup; run tpm_reset; fi;\
+if test ${card1_name} = SCK-KD-G; then run kd240_setup; run tpm_kd240; fi;\
 run tpm_setup