--- wikisrc/ports/evbarm/odroid-c1.mdwn	2015/04/03 20:23:55	1.14
+++ wikisrc/ports/evbarm/odroid-c1.mdwn	2015/10/28 18:05:41	1.20
@@ -1,6 +1,6 @@
 [[!meta title="NetBSD/evbarm on Hardkernel ODROID-C1"]]
 
-[ODROID-C1](http://www.hardkernel.com/main/products/prdt_info.php?g_code=G141578608433&tab_idx=1) is a $35 quad-core SBC from Hardkernel. ODROID-C1 support was introduced in NetBSD 7.0.
+[ODROID-C1](http://www.hardkernel.com/main/products/prdt_info.php?g_code=G141578608433&tab_idx=1) was a $35 quad-core SBC from Hardkernel. ODROID-C1 support was introduced in NetBSD 7.0.  It has been succeeded by the [ODROID-C1+](http://www.hardkernel.com/main/products/prdt_info.php?g_code=G143703355573), which is supported by the same NetBSD kernel.
 
 [[!toc levels=2]]
 
@@ -12,7 +12,7 @@
  - GIC
  - A5 watchdog timer
  - A5 global timer
- - SD/MMC controller (DMA)
+ - "SDHC" and "SDIO" SD/MMC controllers (DMA)
  - Serial console
  - Framebuffer console
  - USB host (OTG)
@@ -20,24 +20,22 @@
    - RTL8211F PHY
  - Hardware random number generator
  - RTC
+ - GPIO
 
 # TODO
  - USB device mode
- - Simultaneous SD card and eMMC usage
- - SD/MMC UHS-I support (needs sdmmc(4) changes)
  - IR receiver
- - GPIO
  - I2C
  - Audio
 
 # Installation
 
-* Start with an ARMv7 image from *evbarm-earmv7hf/binary/gzimg/* such as *beagleboard.img*
+* Start with an ARMv7 image from *evbarm-earmv7hf/binary/gzimg/* such as *armv7.img*
 * Build U-Boot for ODROID-C1 <https://github.com/hardkernel/u-boot/tree/odroidc-v2011.03>
   * Pre-built binaries here: <http://ftp.netbsd.org/pub/NetBSD/misc/jmcneill/odroidc1/u-boot-odroidc-v2011.03-20150308.tar.gz>
-* Note the location and size of the FFS partition in the *beagleboard.img* disklabel:
+* Note the location and size of the FFS partition in the * armv7.img* disklabel:
 [[!template  id=programlisting text="""
-# $TOOLDIR/bin/nbdisklabel -M evbarm -B le beagleboard.img
+# $TOOLDIR/bin/nbdisklabel -M evbarm -B le armv7.img
 ...
 8 partitions:
 #        size    offset     fstype [fsize bsize cpg/sgs]
@@ -49,13 +47,13 @@
 """]]
 * Write the bootloader to the empty space at the start of the base image:
 [[!template  id=programlisting text="""
-# dd if=bl1.bin.hardkernel of=beagleboard.img bs=1 count=442 conv=notrunc
-# dd if=bl1.bin.hardkernel of=beagleboard.img bs=512 skip=1 seek=1 conv=notrunc
-# dd if=u-boot.bin of=beagleboard.img bs=512 seek=64 conv=notrunc
+# dd if=bl1.bin.hardkernel of=armv7.img bs=1 count=442 conv=notrunc
+# dd if=bl1.bin.hardkernel of=armv7.img bs=512 skip=1 seek=1 conv=notrunc
+# dd if=u-boot.bin of=armv7.img bs=512 seek=64 conv=notrunc
 """]]
 * Since the bootloader has overwritten the disklabel, we need to re-add partition "a" from the disklabel to the MBR partition table:
 [[!template  id=programlisting text="""
-# $TOOLDIR/bin/armv7--netbsdelf-eabihf-fdisk -u beagleboard.img
+# $TOOLDIR/bin/armv7--netbsdelf-eabihf-fdisk -u armv7.img
 ...
 Which partition do you want to change?: [none] 1
 The data for partition 1 is:
@@ -147,6 +145,27 @@ Setting *scale* to 100 disables scaling,
 
 To set this value at boot, you can add **fb.scale=95** to the kernel cmdline options in *boot.ini*.
 
+# SYS_LED
+
+The blue SYS_LED on the board is wired to GPIOAO_13. To control the LED from userland, set **gpio=YES** in rc.conf and add this to */etc/gpio.conf*:
+
+[[!template  id=programlisting text="""
+gpio4 13 set out sys_led
+"""]]
+
+After rebooting, the LED state can be controlled with [[!template id=man name="gpioctl" section="8"]].
+
+[[!template  id=programlisting text="""
+# turn the light on
+gpioctl gpio4 sys_led on
+
+# turn the light off
+gpioctl gpio4 sys_led off
+
+# toggle the light state
+gpioctl gpio4 sys_led toggle
+"""]]
+
 # Documentation
 
 Amlogic S805 datasheet: <http://dn.odroid.com/S805/Datasheet/S805_Datasheet%20V0.8%2020150126.pdf>