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Support for RPI-RF-MOD/HM-MOD-RPI-PCB for HomeMatic/homematicIP communication (#1266)

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* add eq3_char_loop package (eQ-3 char loopback kernel module)

* add generic_raw_uart package (low-latency raw UART kernel driver)

* add rpi-rf-mod package 

* add device tree overlay support for RPI-RF-MOD/HM-MOD-RPI-PCB on Raspberry Pi

* enable GPIOLIB and GPIO_SYSFS required for RPI-RF-MOD/HM-MOD-RPI-PCB support.

* add basic RPI-RF-MOD/HM-MOD-RPI-PCB support for ASUS Tinker Board

* add device tree overlay support for ASUS Tinker Board and add
haos-config.txt loading support to U-Boot boot script
This commit is contained in:
Jens Maus
2021-04-07 15:17:41 +02:00
committed by GitHub
parent 9c6cb6e1f0
commit 0eef6473ba
31 changed files with 343 additions and 2 deletions
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2
buildroot-external/board/asus/tinker/boot-env.txt Normal file
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@@ -0,0 +1,2 @@
# Uncomment this to enable GPIO support for RPI-RF-MOD/HM-MOD-RPI-PCB
#overlays=rpi-rf-mod

27
buildroot-external/board/asus/tinker/uboot-boot.ush
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@@ -23,14 +23,37 @@ setenv bootargs_hassos "zram.enabled=1 zram.num_devices=3 apparmor=1 security=ap
setenv bootargs_a "root=PARTUUID=8d3d53e3-6d49-4c38-8349-aff6859e82fd rootfstype=squashfs ro rootwait"
setenv bootargs_b "root=PARTUUID=a3ec664e-32ce-4665-95ea-7ae90ce9aa20 rootfstype=squashfs ro rootwait"
# Load environment from haos-config.txt
if test -e mmc ${devnum}:1 haos-config.txt; then
fatload mmc ${devnum}:1 ${ramdisk_addr_r} haos-config.txt
env import -t ${ramdisk_addr_r} ${filesize}
fi
# Load extraargs
fileenv mmc ${devnum}:1 ${ramdisk_addr_r} cmdline.txt cmdline
# Load device tree
if test "$devnum" = "0"; then
fatload mmc ${devnum}:1 ${fdt_addr_r} rk3288-tinker-s.dtb
setenv fdtfile "rk3288-tinker-s.dtb"
else
fatload mmc ${devnum}:1 ${fdt_addr_r} rk3288-tinker.dtb
setenv fdtfile "rk3288-tinker.dtb"
fi
echo "Loading standard device tree ${fdtfile}"
fatload mmc ${devnum}:1 ${fdt_addr_r} ${fdtfile}
fdt addr ${fdt_addr_r}
# load dt overlays
fdt resize 65536
for overlay_file in ${overlays}; do
if fatload mmc ${devnum}:1 ${ramdisk_addr_r} overlays/${overlay_file}.dtbo; then
echo "Applying kernel provided DT overlay ${overlay_file}.dtbo"
fdt apply ${ramdisk_addr_r} || setenv overlay_error "true"
fi
done
if test "${overlay_error}" = "true"; then
echo "Error applying DT overlays, restoring original DT"
fatload mmc ${devnum}:1 ${fdt_addr_r} ${fdtfile}
fi
setenv bootargs

1
buildroot-external/board/asus/tinker/uboot.config
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@@ -1,2 +1,3 @@
# CONFIG_USB_STORAGE is not set
# CONFIG_DOS_PARTITION is not set
CONFIG_OF_LIBFDT_OVERLAY=y