pmaports/device/main/device-pine64-pinephone/uboot-script.cmd
Bobby The Builder ba84cd8d49
temp/u-boot-pinephone: expose ram_freq in device tree (MR 1998)
Query the ram clock:
cat /proc/device-tree/memory/ram_freq
2021-04-05 11:14:17 +02:00

39 lines
969 B
Batchfile

gpio set 98
gpio set 114
if test ${mmc_bootdev} -eq 0 ; then
echo "Booting from SD";
setenv bootdev 0;
else
echo "Booting from eMMC";
setenv bootdev 2;
fi;
setenv bootargs init=/init.sh rw console=tty0 console=ttyS0,115200 earlycon=uart,mmio32,0x01c28000 panic=10 consoleblank=0 loglevel=1 cma=256M PMOS_NO_OUTPUT_REDIRECT PMOS_FORCE_PARTITION_RESIZE pmos_boot=/dev/mmcblk${bootdev}p1 pmos_root=/dev/mmcblk${bootdev}p2
printenv
echo Loading DTB
load mmc ${mmc_bootdev}:1 ${fdt_addr_r} ${fdtfile}
echo Loading Initramfs
load mmc ${mmc_bootdev}:1 ${ramdisk_addr_r} uInitrd-postmarketos-allwinner
echo Loading Kernel
load mmc ${mmc_bootdev}:1 ${kernel_addr_r} vmlinuz-postmarketos-allwinner
gpio set 115
echo Resizing FDT
fdt addr ${fdt_addr_r}
fdt resize
echo Adding FTD RAM clock
fdt mknode / memory
fdt set /memory ram_freq ${ram_freq}
fdt list /memory
echo Booting kernel
gpio set 116
gpio clear 98
booti ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}