On 5/4/2022 16:43, Denys Dmytriyenko wrote:

On Wed, May 04, 2022 at 04:38:44PM -0500, Ryan Eatmon via lists.yoctoproject.org wrote:

This firmware stub is required by the TI foundational security
software while transitioning to low power mode.

Add a recipe for this compatible with am62xx-evm

Is it GP only FW?

Not sure how to answer that.  I was just told to pick up this change for the release and I cleaned it up to match a more consistent style.

Signed-off-by: Nikhil Devshatwar <nikhil.nd@...>
Signed-off-by: Ryan Eatmon <reatmon@...>
---
  recipes-bsp/ti-linux-fw/ti-linux-fw.inc       |  1 +
  .../tifs-lpm-stub/tifs-lpm-stub_git.bb        | 24 +++++++++++++++++++
  recipes-kernel/linux/kernel-rdepends.inc      |  4 ++++
  3 files changed, 29 insertions(+)
  create mode 100644 recipes-bsp/tifs-lpm-stub/tifs-lpm-stub_git.bb

diff --git a/recipes-bsp/ti-linux-fw/ti-linux-fw.inc b/recipes-bsp/ti-linux-fw/ti-linux-fw.inc
index 3ebdae30..47e76347 100644
--- a/recipes-bsp/ti-linux-fw/ti-linux-fw.inc
+++ b/recipes-bsp/ti-linux-fw/ti-linux-fw.inc
@@ -18,6 +18,7 @@ GOODIX_FW_VERSION = "1.0.0.0"
  CADENCE_MHDP_FW_VERSION = "1.2.17"
  IMG_DEC_FW_VERSION = "1.0"
  CNM_WAVE521_FW_VERSION = "1.0.00"
+TIFS_LPM_STUB_FW_VERSION = "08.03.02"
  TI_LINUX_FW_SRCREV ?= "917625c2721eef8677df9e47d919005b0d4f93aa"
  SRCREV = "${TI_LINUX_FW_SRCREV}"
diff --git a/recipes-bsp/tifs-lpm-stub/tifs-lpm-stub_git.bb b/recipes-bsp/tifs-lpm-stub/tifs-lpm-stub_git.bb
new file mode 100644
index 00000000..642a8d3a
--- /dev/null
+++ b/recipes-bsp/tifs-lpm-stub/tifs-lpm-stub_git.bb
@@ -0,0 +1,24 @@
+SUMMARY = "TI Foundational security Low Power Management Stub"
+
+require recipes-bsp/ti-linux-fw/ti-linux-fw.inc
+
+PV = "${TIFS_LPM_STUB_FW_VERSION}"
+PR = "${INC_PR}.0"
+
+CLEANBROKEN = "1"
+
+COMPATIBLE_MACHINE = "am62xx-evm"
+
+PACKAGE_ARCH = "${MACHINE_ARCH}"
+
+S = "${WORKDIR}/git"
+
+TARGET = "ti-fs-stub-firmware-am62x-gp-signed.bin"
+
+do_install() {
+    install -d ${D}${base_libdir}/firmware/ti-sysfw/
+    install -m 0644 ${S}/ti-sysfw/${TARGET} ${D}${base_libdir}/firmware/ti-sysfw/${TARGET}
+}
+
+FILES_${PN} = "${base_libdir}/firmware"
+
diff --git a/recipes-kernel/linux/kernel-rdepends.inc b/recipes-kernel/linux/kernel-rdepends.inc
index 522d9674..17aee4c2 100644
--- a/recipes-kernel/linux/kernel-rdepends.inc
+++ b/recipes-kernel/linux/kernel-rdepends.inc
@@ -45,3 +45,7 @@ RDEPENDS_${KERNEL_PACKAGE_NAME}-base_append_j7 = " vxd-dec-fw"
  # Add run-time dependency for Chips&Media Wave521 firmware to the rootfs
  RDEPENDS_${KERNEL_PACKAGE_NAME}-base_append_j721s2-evm = " cnm-wave-fw"
+
+# Add run-time dependency for TIFS Low Power Module stub
+RDEPENDS_${KERNEL_PACKAGE_NAME}-base_append_am62xx-evm = " tifs-lpm-stub"
+
--
2.17.1