loongarch64: new target

[openwrt/staging/nbd.git] / target / linux / loongarch64 / base-files / lib / preinit / 01_sysinfo_acpi

diff --git a/target/linux/loongarch64/base-files/lib/preinit/01_sysinfo_acpi b/target/linux/loongarch64/base-files/lib/preinit/01_sysinfo_acpi
new file mode 100644 (file)
index 0000000..4d9e92e
--- /dev/null
+++ b/target/linux/loongarch64/base-files/lib/preinit/01_sysinfo_acpi
@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+sanitize_name_loongarch64() {
+       sed -e '
+               y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/;
+               s/[^a-z0-9_-]\+/-/g;
+               s/^-//;
+               s/-$//;
+       ' "$@"
+}
+
+do_sysinfo_loongarch64() {
+       local vendor product file
+
+       for file in sys_vendor board_vendor; do
+               vendor="$(cat /sys/devices/virtual/dmi/id/$file 2>/dev/null)"
+               case "$vendor" in
+               empty | \
+               System\ manufacturer | \
+               To\ [bB]e\ [fF]illed\ [bB]y\ O\.E\.M\.)
+                       continue
+                       ;;
+               esac
+               [ -n "$vendor" ] && break
+       done
+
+       for file in product_name board_name; do
+               product="$(cat /sys/devices/virtual/dmi/id/$file 2>/dev/null)"
+               case "$vendor:$product" in
+               ?*:empty | \
+               ?*:System\ Product\ Name | \
+               ?*:To\ [bB]e\ [fF]illed\ [bB]y\ O\.E\.M\.)
+                       continue
+                       ;;
+               ?*:?*)
+                       break
+                       ;;
+               esac
+       done
+
+       [ -d "/sys/firmware/devicetree/base" ] && return
+
+       [ -n "$vendor" -a -n "$product" ] || return
+
+       mkdir -p /tmp/sysinfo
+
+       echo "$vendor $product" > /tmp/sysinfo/model
+
+       sanitize_name_loongarch64 /tmp/sysinfo/model > /tmp/sysinfo/board_name
+}
+
+boot_hook_add preinit_main do_sysinfo_loongarch64