On 4/22/2025 3:24 PM, Beleswar Padhi wrote:
Some K3 SoCs like J721S2, and J784S4 have a HSM (High Security Module)
M4F core in the Wakeup Voltage Domain which could be used to run secure
services like Authentication. Add a config option which indicates that
the SoC has a HSM core and the firmware for the core is available.
Config option can not indicate firmware is available for core.
Thic could be
Add a config option which allows load of HSM firmware and booting of HSM core.
Signed-off-by: Beleswar Padhi <b-pa...@ti.com>
---
arch/arm/mach-k3/Kconfig | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/arm/mach-k3/Kconfig b/arch/arm/mach-k3/Kconfig
index 1b8c0b1eb96..b787d2da244 100644
--- a/arch/arm/mach-k3/Kconfig
+++ b/arch/arm/mach-k3/Kconfig
@@ -181,6 +181,14 @@ config K3_REMOTEPROC_PRU
imply REMOTEPROC_TI_PRU
default y if (SOC_K3_AM642 || SOC_K3_AM654)
+config K3_HSM_FW
+ bool "Load and Boot HSM core"
+ default n
+ help
+ Enabling this will indicate that the system has a HSM (High Security
+ Module) M4 Core and the firmware for the core is present. When
+ enabled, HSM core will be booted at R5 SPL execution time.
+
if CPU_V7R
source "arch/arm/mach-k3/r5/Kconfig"
endif
