meta-facebook: harma: flash:bios

Support for BIOS update.

root@harma:/tmp# ./bios-update.sh F0M_1A02.BIN
Bios upgrade started at Tue Dec 19 07:06:04 PST 2023
Power off host server
Host server powered off
Set GPIO  to access SPI flash from BMC used by host
switch bios GPIO to bmc
set_gpio: set bmc-spi-mux-select-0 = 1 success
bind aspeed-smc spi driver
Bios image is F0M_1A02.BIN
mtd6 is not a pnor device
mtd6 not available
Flashing bios image to mtd7...
Erasing block: 256/256 (100%)
Writing kb: 16384/16384 (100%)
Verifying kb: 16384/16384 (100%)
bios updated successfully...
Unbind aspeed-smc spi driver
Set GPIO  back for host to access SPI flash
switch bios GPIO to CPU
set_gpio: set bmc-spi-mux-select-0 = 0 success
Please do sled cycle.

Change-Id: I9e1c8afca44abb1917fa342ee505ad38e845d192
Signed-off-by: Peter Yin <peter.yin@quantatw.com>

3 files changed, 104 insertions, 0 deletions

diff --git a/meta-facebook/meta-harma/recipes-phosphor/flash/phosphor-software-manager/bios-update.sh b/meta-facebook/meta-harma/recipes-phosphor/flash/phosphor-software-manager/bios-update.sh
new file mode 100755
index 0000000000..0d52876a08
--- /dev/null
+++ b/meta-facebook/meta-harma/recipes-phosphor/flash/phosphor-software-manager/bios-update.sh
@@ -0,0 +1,87 @@
+#!/bin/bash
+
+# shellcheck source=meta-facebook/recipes-fb/obmc_functions/files/fb-common-functions
+source /usr/libexec/fb-common-functions
+# shellcheck source=meta-facebook/meta-harma/recipes-phosphor/state/phosphor-state-manager/power-cmd
+source /usr/libexec/phosphor-state-manager/power-cmd
+
+IMAGE_FILE=$1
+
+SPI_DEV="spi1.0"
+SPI_PATH="/sys/bus/spi/drivers/spi-nor"
+
+set_gpio_to_bmc()
+{
+    echo "switch bios GPIO to bmc"
+    # bmc-spi-mux-select-0: 1:BMC / 0:CPU
+    set_gpio bmc-spi-mux-select-0 1
+    return 0
+}
+
+set_gpio_to_cpu()
+{
+    echo "switch bios GPIO to CPU"
+    # bmc-spi-mux-select-0: 1:BMC / 0:CPU
+    set_gpio bmc-spi-mux-select-0 0
+    return 0
+}
+
+echo "Bios upgrade started at $(date)"
+
+#Power off host server.
+echo "Power off host server"
+power_off
+sleep 15
+if [ "$(power_status)" != "off" ];
+then
+    echo "Host server didn't power off"
+    echo "Bios upgrade failed"
+    exit 1
+fi
+echo "Host server powered off"
+
+#Flip GPIO to access SPI flash used by host.
+echo "Set GPIO $GPIO to access SPI flash from BMC used by host"
+set_gpio_to_bmc
+
+#Bind spi driver to access flash
+echo "bind aspeed-smc spi driver"
+echo -n $SPI_DEV > $SPI_PATH/bind
+sleep 1
+
+#Flashcp image to device.
+if [ -e "$IMAGE_FILE" ];
+then
+    echo "Bios image is $IMAGE_FILE"
+    for d in mtd6 mtd7 ; do
+        if [ -e "/dev/$d" ]; then
+            mtd=$(cat /sys/class/mtd/$d/name)
+            if [ "$mtd" == "pnor" ]; then
+                echo "Flashing bios image to $d..."
+                if flashcp -v "$IMAGE_FILE" /dev/$d; then
+                    echo "bios updated successfully..."
+                else
+                    echo "bios update failed..."
+                fi
+                break
+            fi
+            echo "$d is not a pnor device"
+        fi
+        echo "$d not available"
+    done
+else
+    echo "Bios image $IMAGE_FILE doesn't exist"
+fi
+
+#Unbind spi driver
+sleep 1
+echo "Unbind aspeed-smc spi driver"
+echo -n $SPI_DEV > $SPI_PATH/unbind
+sleep 10
+
+#Flip GPIO back for host to access SPI flash
+echo "Set GPIO $GPIO back for host to access SPI flash"
+set_gpio_to_cpu
+sleep 5
+
+echo "Please do sled cycle."
diff --git a/meta-facebook/meta-harma/recipes-phosphor/flash/phosphor-software-manager/obmc-flash-host-bios@.service b/meta-facebook/meta-harma/recipes-phosphor/flash/phosphor-software-manager/obmc-flash-host-bios@.service
new file mode 100644
index 0000000000..7e098908e5
--- /dev/null
+++ b/meta-facebook/meta-harma/recipes-phosphor/flash/phosphor-software-manager/obmc-flash-host-bios@.service
@@ -0,0 +1,7 @@
+[Unit]
+Description=Flash Host Bios image %I to Host
+
+[Service]
+Type=oneshot
+RemainAfterExit=no
+ExecStart=/usr/sbin/bios-update.sh /tmp/images/%i
diff --git a/meta-facebook/meta-harma/recipes-phosphor/flash/phosphor-software-manager_%.bbappend b/meta-facebook/meta-harma/recipes-phosphor/flash/phosphor-software-manager_%.bbappend
new file mode 100644
index 0000000000..047f01970a
--- /dev/null
+++ b/meta-facebook/meta-harma/recipes-phosphor/flash/phosphor-software-manager_%.bbappend
@@ -0,0 +1,10 @@
+FILESEXTRAPATHS:prepend := "${THISDIR}/${PN}:"
+SRC_URI += "file://bios-update.sh"
+
+PACKAGECONFIG:append = " flash_bios"
+RDEPENDS:${PN} += "bash"
+
+do_install:append() {
+    install -d ${D}/${sbindir}
+    install -m 0755 ${WORKDIR}/bios-update.sh ${D}/${sbindir}/
+}