[OpenWrt-Devel] [PATCH v2 5/6] brcm2708: add device detection and use it for network, leds and preinit

Álvaro Fernández Rojas noltari at gmail.com
Thu Nov 19 13:18:09 EST 2015


Signed-off-by: Álvaro Fernández Rojas <noltari at gmail.com>
---
v2: device tree model needs Rev to avoid detecting a B+ as a B model

 target/linux/brcm2708/base-files.mk                |  3 ++
 target/linux/brcm2708/base-files/etc/diag.sh       | 12 ++++++-
 .../base-files/etc/uci-defaults/02_network         | 12 +++++--
 target/linux/brcm2708/base-files/lib/brcm2708.sh   | 41 ++++++++++++++++++++++
 .../lib/preinit/03_preinit_do_brcm2708.sh          | 10 ++++++
 .../lib/preinit/05_set_preinit_iface_brcm2708      | 18 ++++++++++
 target/linux/brcm2708/bcm2708/config-4.1           |  2 +-
 target/linux/brcm2708/bcm2709/config-4.1           |  2 +-
 8 files changed, 95 insertions(+), 5 deletions(-)
 create mode 100644 target/linux/brcm2708/base-files.mk
 create mode 100644 target/linux/brcm2708/base-files/lib/brcm2708.sh
 create mode 100644 target/linux/brcm2708/base-files/lib/preinit/03_preinit_do_brcm2708.sh
 create mode 100644 target/linux/brcm2708/base-files/lib/preinit/05_set_preinit_iface_brcm2708

diff --git a/target/linux/brcm2708/base-files.mk b/target/linux/brcm2708/base-files.mk
new file mode 100644
index 0000000..fdd2c71
--- /dev/null
+++ b/target/linux/brcm2708/base-files.mk
@@ -0,0 +1,3 @@
+define Package/base-files/install-target
+	rm -f $(1)/etc/config/network
+endef
diff --git a/target/linux/brcm2708/base-files/etc/diag.sh b/target/linux/brcm2708/base-files/etc/diag.sh
index 55e68b1..3a8dc86 100644
--- a/target/linux/brcm2708/base-files/etc/diag.sh
+++ b/target/linux/brcm2708/base-files/etc/diag.sh
@@ -4,9 +4,19 @@
 #
 
 . /lib/functions/leds.sh
+. /lib/brcm2708.sh
 
 set_state() {
-	status_led="led0"
+	case "$(brcm2708_board_name)" in
+	rpi-b |\
+	rpi-cm)
+		status_led="led0"
+		;;
+	rpi-b-plus |\
+	rpi-2-b)
+		status_led="led1"
+		;;
+	esac
 
 	case "$1" in
 	preinit)
diff --git a/target/linux/brcm2708/base-files/etc/uci-defaults/02_network b/target/linux/brcm2708/base-files/etc/uci-defaults/02_network
index e7e35c5..1bb05b6 100644
--- a/target/linux/brcm2708/base-files/etc/uci-defaults/02_network
+++ b/target/linux/brcm2708/base-files/etc/uci-defaults/02_network
@@ -1,14 +1,22 @@
 #!/bin/sh
-# Copyright (C) 2014 OpenWrt.org
+# Copyright (C) 2014-2015 OpenWrt.org
 
 [ -e /etc/config/network ] && exit 0
 
 touch /etc/config/network
 
 . /lib/functions/uci-defaults.sh
+. /lib/brcm2708.sh
 
 ucidef_set_interface_loopback
-ucidef_set_interface_lan "eth0"
+
+case "$(brcm2708_board_name)" in
+rpi-b |\
+rpi-b-plus |\
+rpi-2-b)
+	ucidef_set_interface_lan "eth0"
+	;;
+esac
 
 uci commit network
 
diff --git a/target/linux/brcm2708/base-files/lib/brcm2708.sh b/target/linux/brcm2708/base-files/lib/brcm2708.sh
new file mode 100644
index 0000000..7d6e458
--- /dev/null
+++ b/target/linux/brcm2708/base-files/lib/brcm2708.sh
@@ -0,0 +1,41 @@
+#!/bin/sh
+# Copyright (C) 2015 OpenWrt.org
+
+ifname=""
+
+brcm2708_detect() {
+	local board_name model
+
+	model=$(cat /proc/device-tree/model)
+	case "$model" in
+	"Raspberry Pi Model B Rev"*)
+		board_name="rpi-b"
+		;;
+	"Raspberry Pi Model B+ Rev"*)
+		board_name="rpi-b-plus"
+		;;
+	"Raspberry Pi Compute Module Rev"*)
+		board_name="rpi-cm"
+		;;
+	"Raspberry Pi 2 Model B Rev"*)
+		board_name="rpi-2-b"
+		;;
+	*)
+		board_name="unknown"
+		;;
+	esac
+
+	[ -e "/tmp/sysinfo" ] || mkdir -p "/tmp/sysinfo"
+
+	echo "$board_name" > /tmp/sysinfo/board_name
+	echo "$model" > /tmp/sysinfo/model
+}
+
+brcm2708_board_name() {
+	local name
+
+	[ -f /tmp/sysinfo/board_name ] && name=$(cat /tmp/sysinfo/board_name)
+	[ -n "$name" ] || name="unknown"
+
+	echo $name
+}
diff --git a/target/linux/brcm2708/base-files/lib/preinit/03_preinit_do_brcm2708.sh b/target/linux/brcm2708/base-files/lib/preinit/03_preinit_do_brcm2708.sh
new file mode 100644
index 0000000..2943648
--- /dev/null
+++ b/target/linux/brcm2708/base-files/lib/preinit/03_preinit_do_brcm2708.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+# Copyright (C) 2015 OpenWrt.org
+
+do_brcm2708() {
+	. /lib/brcm2708.sh
+
+	brcm2708_detect
+}
+
+boot_hook_add preinit_main do_brcm2708
diff --git a/target/linux/brcm2708/base-files/lib/preinit/05_set_preinit_iface_brcm2708 b/target/linux/brcm2708/base-files/lib/preinit/05_set_preinit_iface_brcm2708
new file mode 100644
index 0000000..154b01c
--- /dev/null
+++ b/target/linux/brcm2708/base-files/lib/preinit/05_set_preinit_iface_brcm2708
@@ -0,0 +1,18 @@
+#!/bin/sh
+#
+# Copyright (C) 2015 OpenWrt.org
+#
+
+. /lib/brcm2708.sh
+
+set_preinit_iface() {
+	case "$(brcm2708_board_name)" in
+	rpi-b |\
+	rpi-b-plus |\
+	rpi-2-b)
+		ifname=eth0
+		;;
+	esac
+}
+
+boot_hook_add preinit_main set_preinit_iface
diff --git a/target/linux/brcm2708/bcm2708/config-4.1 b/target/linux/brcm2708/bcm2708/config-4.1
index 055caa9..82ae7b3 100644
--- a/target/linux/brcm2708/bcm2708/config-4.1
+++ b/target/linux/brcm2708/bcm2708/config-4.1
@@ -225,7 +225,7 @@ CONFIG_KERNEL_GZIP=y
 # CONFIG_KERNEL_XZ is not set
 # CONFIG_LCD_CLASS_DEVICE is not set
 CONFIG_LEDS_GPIO=y
-# CONFIG_LEDS_TRIGGER_INPUT is not set
+CONFIG_LEDS_TRIGGER_INPUT=y
 CONFIG_LIBFDT=y
 CONFIG_LOGO=y
 CONFIG_LOGO_LINUX_CLUT224=y
diff --git a/target/linux/brcm2708/bcm2709/config-4.1 b/target/linux/brcm2708/bcm2709/config-4.1
index 8eb98af..866d648 100644
--- a/target/linux/brcm2708/bcm2709/config-4.1
+++ b/target/linux/brcm2708/bcm2709/config-4.1
@@ -237,7 +237,7 @@ CONFIG_KERNEL_GZIP=y
 # CONFIG_KERNEL_XZ is not set
 # CONFIG_LCD_CLASS_DEVICE is not set
 CONFIG_LEDS_GPIO=y
-# CONFIG_LEDS_TRIGGER_INPUT is not set
+CONFIG_LEDS_TRIGGER_INPUT=y
 CONFIG_LIBFDT=y
 CONFIG_LOCK_SPIN_ON_OWNER=y
 CONFIG_LOGO=y
-- 
1.9.1
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