Merge branch 'HEAD' of https://github.com/RhinoDevel/raspi-bare-metal…

…-playground.git

README.md

@@ -58,7 +58,9 @@ You need:
 ## How to use
 
 - Setup connections (see [picture](./docs/CBM%20tape%20to%20Raspberry%20Pi%20(Marcel%20Timm%2C%20RhinoDevel).png) below).
-- Put compiled kernel.img (or kernel7.img for Raspberry Pi 2) from [latest release](https://github.com/RhinoDevel/cbmtapepi/releases/tag/v1.6.0) on an SD card holding other necessary Pi boot files (easiest way is to use an SD card having Raspbian installed and overwrite the kernel file).
+- Put compiled kernel.img (or kernel7.img for Raspberry Pi 2) from [latest release](https://github.com/RhinoDevel/cbmtapepi/releases/tag/v1.6.0) on an SD card's boot partition (easiest way is to use an SD card having Raspbian installed).
+- Delete (if existing) config.txt and cmdline.txt from boot partition.
+- Overwrite fixup.dat, start.elf and bootcode.bin with the files having the same names from [Raspberry Pi firmware release 1.20171029](https://github.com/raspberrypi/firmware/tree/1.20171029/boot).
 - The Pi's ACT LED will flash every second to show that CBM Tape Pi is running.
 - The interface's LED will be on, if waiting for commands (via SAVE).
 - The interface's LED will be off during transfer of a PRG to Commodore (LOAD).
@@ -120,7 +122,7 @@ Connect Raspberry Pi and Commodore machine this way:
 ## Supported Raspberry Pis
 
 - Raspberry Pi 1.
-- Raspberry Pi 2.
+- Raspberry Pi 2 (v1.2 excluded).
 - Raspberry Pi Zero.
 - Other Raspberry Pis (not tested, yet).