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Reduce the size of the CMA to 16MB (#7522)

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also include the tiny fixMACaddress script in the S0 image to assign end0 MAC address from CPU serial #in case running U-Boot earlier than 2024.10
This commit is contained in:
brentr
2024-11-28 11:39:33 -08:00
committed by GitHub
parent 51e25479c9
commit a1fa6649e0
2 changed files with 27 additions and 4 deletions
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18
config/boards/rock-s0.conf
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@@ -28,5 +28,21 @@ function post_family_config__rocks0() {
declare -g BOOTDIR="u-boot-${BOARD}"
declare -g BOOTSCRIPT=boot-rockchip64-ttyS0.cmd:boot.cmd
unset family_tweaks_bsp # disable from rockchip64_common
family_tweaks_bsp() { #overrides rockchip64_common.inc
#Install udev script that derives fixed, unique MAC addresses for net interfaces
#that are assigned random ones
bsp=$SRC/packages/bsp/rockpis
rules=etc/udev/rules.d
install -m 755 $bsp/lib/udev/fixEtherAddr $destination/lib/udev
}
}
function pre_install_kernel_debs__enforce_cma() {
# Set CMA to 16 megabytes, to provide more usable RAM since Rock Pi S
# has usually a small amount of DRAM (512MB)
display_alert "$BOARD" "set CMA size to 16MB due to small DRAM size"
run_host_command_logged echo "extraargs=cma=16M" ">>" "${SDCARD}"/boot/armbianEnv.txt
return 0
}

13
packages/bsp/rockpis/etc/udev/rules.d/05-fixMACaddress.rules
View File

@@ -1,6 +1,13 @@
#If a network interface is being assigned a new, different address on each boot,
#enable the corresponding line below to derive its MAC addr from UUID of rootfs
#Beware that all the two digit hex code prefixes below must be unique!
#If a network interface is being assigned a different MAC address on each boot,
#or the MAC address is based on a disk image (rather than a hardware serial #),
#enable the corresponding line below to derive that interface's MAC address from
#the RK3308 SOC's unique serial number.
#All the two digit hex code prefixes passed to fixEtherAddr should be unique
#and chosen such that (n-2)%4 == 0
KERNEL=="wlan0", ACTION=="add" RUN+="fixEtherAddr %k 0a"
KERNEL=="p2p0", ACTION=="add" RUN+="fixEtherAddr %k 0e"
#U-Boot >=V2024.10 sets the built-in Ethernet MAC adr from the SOC serial number
#KERNEL=="end0", ACTION=="add" RUN+="fixEtherAddr %k 06"