[PATCH] arm64: xilinx: Describe TPM reset for Kria CCs

Michal Simek michal.simek at amd.com
Tue Jul 16 15:29:09 CEST 2024


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 at amd.com>
---

 board/xilinx/zynqmp/zynqmp_kria.env | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/board/xilinx/zynqmp/zynqmp_kria.env b/board/xilinx/zynqmp/zynqmp_kria.env
index 69e333c53887..49ef3e7d7532 100644
--- 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
-- 
2.43.0



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