Annotation of wikisrc/ports/evbarm/odroid-c1.mdwn, revision 1.11

1.1       wiki        1: [[!meta title="NetBSD/evbarm on Hardkernel ODROID-C1"]]
                      2: 
                      3: [[!toc levels=2]]
                      4: 
1.2       wiki        5: # Supported hardware
1.6       wiki        6:  - CPU: Cortex-A5: Amlogic S805 (4-core) at 1.5GHz
1.2       wiki        7:    - CPU frequency scaling is supported with machdep.cpu sysctl tree
                      8:    - SMP supported
                      9:    - PL310 L2 cache controller
                     10:  - GIC
                     11:  - A5 watchdog timer
                     12:  - A5 global timer
                     13:  - SD/MMC controller (DMA)
                     14:  - Serial console
1.7       wiki       15:  - Framebuffer console
1.2       wiki       16:  - USB host (OTG)
                     17:  - Gigabit Ethernet (GMAC)
                     18:    - RTL8211F PHY
                     19:  - Hardware random number generator
1.11    ! wiki       20:  - RTC
1.2       wiki       21: 
                     22: # TODO
                     23:  - USB device mode
                     24:  - Simultaneous SD card and eMMC usage
                     25:  - SD/MMC UHS-I support (needs sdmmc(4) changes)
                     26:  - IR receiver
                     27:  - GPIO
                     28:  - I2C
1.7       wiki       29:  - Audio
1.2       wiki       30: 
                     31: # Installation
                     32: 
                     33: * Start with an ARMv7 image from *evbarm-earmv7hf/binary/gzimg/* such as *beagleboard.img*
                     34: * Build U-Boot for ODROID-C1 <https://github.com/hardkernel/u-boot/tree/odroidc-v2011.03>
1.3       wiki       35:   * Pre-built binaries here: <http://ftp.netbsd.org/pub/NetBSD/misc/jmcneill/odroidc1/u-boot-odroidc-v2011.03-20150308.tar.gz>
1.4       wiki       36: * Note the location and size of the FFS partition in the *beagleboard.img* disklabel:
                     37: [[!template  id=programlisting text="""
                     38: # $TOOLDIR/bin/nbdisklabel -M evbarm -B le beagleboard.img
                     39: ...
                     40: 8 partitions:
                     41: #        size    offset     fstype [fsize bsize cpg/sgs]
                     42:  a:   1359312    385024     4.2BSD      0     0     0  # (Cyl.    188 -    851*)
                     43:  b:    262144    122880       swap                     # (Cyl.     60 -    187)
                     44:  c:   1744336         0     unused      0     0        # (Cyl.      0 -    851*)
                     45:  d:   1744336         0     unused      0     0        # (Cyl.      0 -    851*)
                     46:  e:    114688      8192      MSDOS                     # (Cyl.      4 -     59)
                     47: """]]
1.2       wiki       48: * Write the bootloader to the empty space at the start of the base image:
                     49: [[!template  id=programlisting text="""
                     50: # dd if=bl1.bin.hardkernel of=beagleboard.img bs=1 count=442 conv=notrunc
                     51: # dd if=bl1.bin.hardkernel of=beagleboard.img bs=512 skip=1 seek=1 conv=notrunc
                     52: # dd if=u-boot.bin of=beagleboard.img bs=512 seek=64 conv=notrunc
                     53: """]]
1.4       wiki       54: * Since the bootloader has overwritten the disklabel, we need to re-add partition "a" from the disklabel to the MBR partition table:
                     55: [[!template  id=programlisting text="""
                     56: # $TOOLDIR/bin/armv7--netbsdelf-eabihf-fdisk -u beagleboard.img
                     57: ...
                     58: Which partition do you want to change?: [none] 1
                     59: The data for partition 1 is:
                     60: <UNUSED>
                     61: sysid: [0..255 default: 169] 
                     62: start: [0..109cyl default: 63, 0cyl, 0MB] 385024
                     63: size: [0..85cyl default: 1359312, 85cyl, 664MB] 1359312
                     64: ...
                     65: Which partition do you want to change?: [none] 
                     66: ...
                     67: Should we write new partition table? [n] y
                     68: """]]
1.2       wiki       69: * Write the image to an SD card.
                     70: * Copy the kernel (netbsd.ub) for your board to the root of the MS-DOS partition on the SD card.
1.9       wiki       71: * Create or edit *boot.ini* on the MS-DOS partition:
1.2       wiki       72: [[!template  id=programlisting text="""
                     73: ODROIDC-UBOOT-CONFIG
                     74: 
1.4       wiki       75: setenv bootargs "root=ld0f awge0.mac-address=${ethaddr}"
1.2       wiki       76: setenv bootcmd "fatload mmc 0:1 0x21000000 netbsd.ub; bootm 0x21000000"
                     77: run bootcmd
                     78: """]]
1.5       wiki       79: * On first boot, it will stop because of the wrong device in /etc/fstab. Take this opportunity to grow the root file-system:
1.4       wiki       80: [[!template  id=programlisting text="""
                     81: # fdisk -u ld0
                     82: ...
                     83: Which partition do you want to change?: [none] 1
                     84: The data for partition 1 is:
                     85: NetBSD (sysid 169)
                     86:     start 385024, size 1359312 (664 MB, Cyls 23/246/32-108/147/55)
                     87:         PBR is not bootable: All bytes are identical (0x00)
                     88: sysid: [0..255 default: 169]
                     89: start: [0..966cyl default: 385024, 24cyl, 188MB]
                     90: size: [0..942cyl default: 1359312, 85cyl, 664MB] $
                     91: ...
                     92: Which partition do you want to change?: [none]
                     93: ...
                     94: Should we write new partition table? [n] y
                     95: # resize_ffs -y /dev/rld0f
                     96: # reboot
                     97: """]]
                     98: * Next boot, create a new /etc/fstab:
                     99: [[!template  id=programlisting text="""
                    100: # mount -u -o rw /dev/ld0f /
                    101: # cat > /etc/fstab << EOF
                    102: /dev/ld0f       /               ffs     rw      1 1
                    103: /dev/ld0e       /boot           msdos   rw      1 1
                    104: kernfs          /kern           kernfs  rw
                    105: ptyfs           /dev/pts        ptyfs   rw
                    106: procfs          /proc           procfs  rw
                    107: tmpfs           /var/shm        tmpfs   rw,-m1777,-sram%25
                    108: EOF
                    109: # reboot
                    110: """]]
1.2       wiki      111: 
1.9       wiki      112: # HDMI
                    113: 
1.10      wiki      114: ## Framebuffer console
                    115: 
                    116: Simply add **console=fb** to the *bootargs* variable in *boot.ini*.
                    117: 
1.9       wiki      118: ## Video mode
                    119: 
                    120: HDMI video mode can be selected in U-Boot with the *video* command, e.g.:
                    121: 
                    122: [[!template  id=programlisting text="""
                    123: odroidc#video dev open 1080P
                    124: """]]
                    125: 
                    126: To make this change permanent, add it to the *bootcmd* variable in *boot.ini*:
                    127: 
                    128: [[!template  id=programlisting text="""
                    129: setenv bootcmd "video dev open 1080P; fatload mmc 0:1 0x21000000 netbsd.ub; bootm 0x21000000"
                    130: """]]
                    131: 
                    132: ## Overscan compensation
1.8       wiki      133: 
                    134: If you have ODROID-C1 plugged into a TV, the edges of the screen may not be visible. You can scale down the framebuffer console with the **hw.genfb0.scale** sysctl, e.g.:
                    135: 
                    136: [[!template  id=programlisting text="""
                    137: # sysctl -w hw.genfb0.scale=95
                    138: """]]
                    139: 
                    140: Setting *scale* to 100 disables scaling, any other value enables the scaler. Values between 10 and 100 are allowed.
                    141: 
                    142: To set this value at boot, you can add **fb.scale=95** to the kernel cmdline options in *boot.ini*.
                    143: 
1.1       wiki      144: # ODROID-C1 UART pins
                    145: 
                    146: From [ODROID Forum](http://forum.odroid.com/viewtopic.php?f=115&t=7684):
                    147: 
                    148: [[!template  id=programlisting text="""
                    149:  ___UART____
                    150: |Pin 4 - GND|
                    151: |Pin 3 - RXD|
                    152: |Pin 2 - TXD|
                    153: |Pin 1 - VCC|
                    154: \___________|
                    155: 
                    156: 3.3V LVTTL
                    157: """]]

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