gadget-init: add ugly, ugly hack to make USB work on ti33x boards

This is NOT suitable for customers or production.

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>

3 files changed, 40 insertions, 0 deletions

diff --git a/recipes-ti/beagleboard/gadget-init.bb b/recipes-ti/beagleboard/gadget-init.bb
new file mode 100644
index 00000000..f3300e19
--- /dev/null
+++ b/recipes-ti/beagleboard/gadget-init.bb
@@ -0,0 +1,22 @@
+DESCRIPTION = "Units to initialize usb gadgets"
+
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://${COREBASE}/LICENSE;md5=3f40d7994397109285ec7b81fdeb3b58"
+
+COMPATIBLE_MACHINE = "(ti33x)"
+PACKAGE_ARCH = "${MACHINE_ARCH}"
+
+SRC_URI = "file://storage-gadget-init.service \
+           file://hokey-pokey.service \
+          "
+
+do_install() {
+        install -d ${D}${base_libdir}/systemd/system/basic.target.wants
+        install -m 0644 ${WORKDIR}/*.service ${D}${base_libdir}/systemd/system
+        for i in ${WORKDIR}/*.service ; do
+                install -m 0644 $i ${D}${base_libdir}/systemd/system
+                ln -sf ../$(basename $i) ${D}${base_libdir}/systemd/system/basic.target.wants/
+        done
+}
+
+FILES_${PN} = "${base_libdir}/systemd"
diff --git a/recipes-ti/beagleboard/gadget-init/hokey-pokey.service b/recipes-ti/beagleboard/gadget-init/hokey-pokey.service
new file mode 100644
index 00000000..ac92d734
--- /dev/null
+++ b/recipes-ti/beagleboard/gadget-init/hokey-pokey.service
@@ -0,0 +1,9 @@
+[Unit]
+Description=Hokey Pokey modprobe dance to get the USB host port working
+After=storage-gadget-init.service
+
+[Service]
+ExecStart=/sbin/modprobe g_zero
+
+[Install]
+WantedBy=basic-user.target
diff --git a/recipes-ti/beagleboard/gadget-init/storage-gadget-init.service b/recipes-ti/beagleboard/gadget-init/storage-gadget-init.service
new file mode 100644
index 00000000..366d2fd4
--- /dev/null
+++ b/recipes-ti/beagleboard/gadget-init/storage-gadget-init.service
@@ -0,0 +1,9 @@
+[Unit]
+Description=Start usb mass storage gadget
+After=dev-mmcblk0p1.device
+
+[Service]
+ExecStart=/sbin/modprobe g_mass_storage file=/dev/mmcblk0p1 cdrom=0 stall=0 removable=1 nofua=1
+
+[Install]
+WantedBy=basic-user.target