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Diffstat (limited to 'docs/install/bbb_setup.md')
| -rw-r--r-- | docs/install/bbb_setup.md | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/docs/install/bbb_setup.md b/docs/install/bbb_setup.md index 244bd8e0..3c66a58e 100644 --- a/docs/install/bbb_setup.md +++ b/docs/install/bbb_setup.md @@ -114,10 +114,10 @@ page](https://en.wikipedia.org/wiki/Power_supply_unit_%28computer%29#Wiring_diag You can use pin 1 or 2 (orange wire) on a 20-pin or 24-pin ATX PSU for 3.3V, and any of the ground/earth sources (black cables) for ground. -Short PS\_ON\# / Power on (green wire; pin 16 on 24-pin ATX PSU, or pin +Short PS\_ON# / Power on (green wire; pin 16 on 24-pin ATX PSU, or pin 14 on a 20-pin ATX PSU) to a ground (black; there is one right next to it) using a wire/paperclip/jumper, then power on the PSU by grounding -PS\_ON\# (this is also how an ATX motherboard turns on a PSU). +PS\_ON# (this is also how an ATX motherboard turns on a PSU). **DO **NOT** use pin 4, 6, do **NOT** use pin 19 or 20 (on a 20-pin ATX PSU), and DO **NOT** use pin 21, 22 or 23 (on a 24-pin @@ -128,7 +128,7 @@ do exist, but they are rare. Always check what voltage your chip takes. Most of them take 3.3V).** You only need one 3.3V supply and one ground for the flash chip, after -grounding PS\_ON\#. +grounding PS\_ON#. The male end of a 0.1" or 2.54mm header cable is not thick enough to remain permanently connected to the ATX PSU on its own. When connecting @@ -158,14 +158,14 @@ Alternatives to SSH (in case SSH fails) You can also use a serial FTDI debug board with GNU Screen, to access the serial console.\ -\# screen /dev/ttyUSB0 115200 + # screen /dev/ttyUSB0 115200 Here are some example photos:\  \ You can also connect the USB cable from the BBB to another computer and a new network interface will appear, with its own IP address. This is directly accessible from SSH, or screen:\ -\# **screen /dev/ttyACM0 115200** +# **screen /dev/ttyACM0 115200** You can also access the uboot console, using the serial method instead of SSH. @@ -176,7 +176,7 @@ Setting up spidev on the BBB ============================ Log on as root on the BBB, using either SSH or a serial console as -defined in [\#bbb\_access](#bbb_access). Make sure that you have +defined in [#bbb\_access](#bbb_access). Make sure that you have internet access on your BBB. Follow the instructions at @@ -211,14 +211,14 @@ contents of this file with: Run **apt-get update** and **apt-get upgrade** then reboot the BBB, before continuing. Check that the firmware exists:\ -\# ls /lib/firmware/BB-SPI0-01-00A0.* + # ls /lib/firmware/BB-SPI0-01-00A0.* Output: /lib/firmware/BB-SPI0-01-00A0.dtbo Then:\ -\# echo BB-SPI0-01 > /sys/devices/bone\_capemgr.*/slots -\# cat /sys/devices/bone\_capemgr.*/slots + # echo BB-SPI0-01 > /sys/devices/bone\_capemgr.*/slots + # cat /sys/devices/bone\_capemgr.*/slots Output: 0: 54:PF--- @@ -230,7 +230,7 @@ Output: 7: ff:P-O-L Override Board Name,00A0,Override Manuf,BB-SPI0-01 Verify that the spidev device now exists:\ -\# ls -al /dev/spid* + # ls -al /dev/spid* Output: crw-rw---T 1 root spi 153, 0 Nov 19 21:07 /dev/spidev1.0 @@ -253,7 +253,7 @@ Finally, get the ROM image that you would like to flash and put that on your BBB. Now test flashrom:\ -\# ./flashrom -p linux\_spi:dev=/dev/spidev1.0,spispeed=512 + # ./flashrom -p linux\_spi:dev=/dev/spidev1.0,spispeed=512 Output: Calibrating delay loop... OK. @@ -348,7 +348,7 @@ not always. That page has some notes about using resistors to affect stability. Currently, we use spispeed=512 (512kHz) but it is possible to use higher speeds while maintaining stability. -tty0\_ in \#libreboot was able to get better flashing speeds with the +tty0\_ in #libreboot was able to get better flashing speeds with the following configuration: - "coax" with 0.1 mm core and aluminum foley (from my kitchen), add |