Some initial partitioning

docs/uboot.md

@@ -0,0 +1,70 @@
+Booting release image with bootusb
+ - Use this if you are flashing image from macos/flashusb.sh
+```
+setenv bootusb '
+usb start;
+setenv bootargs "console=ttyS0,115200 root=/dev/sda2 rw rootwait";
+ext4load usb 0:2 ${kernel_addr_r} /boot/Image.gz;
+ext4load usb 0:2 ${fdt_addr_r} /boot/mono-gateway-dk-sdk.dtb;
+booti ${kernel_addr_r} - ${fdt_addr_r}
+'
+
+run bootusb
+```
+
+Booting into initramfs (board.itb in usb drive root)
+```
+setenv bootusb 'usb start; ext4load usb 0:2 ${mks_loadaddr} /boot/kernel.itb; bootm ${mks_loadaddr}'
+run bootusb
+```
+
+
+Original uboot env from mono
+```
+arch=arm
+baudrate=115200
+board=gateway_dk
+board_name=gateway_dk
+bootargs_console=console=ttyS0,115200 earlycon=uart8250,mmio,0x21c0500 mtdparts=${mtdparts}
+bootcmd=run emmc || run recovery
+bootdelay=5
+cpu=armv8
+emmc=setenv bootargs "${bootargs_console} root=/dev/mmcblk0p1 rw rootwait rootfstype=ext4 ${bootargs_hwtest}"; \
+    ext4load mmc 0:1 ${kernel_addr_r} /boot/Image.gz && \
+    ext4load mmc 0:1 ${fdt_addr_r} /boot/mono-gateway-dk-sdk.dtb && \
+    booti ${kernel_addr_r} - ${fdt_addr_r} || \
+    ext4load mmc 0:1 ${kernel_addr_r} /boot/kernel.itb && \
+    bootm ${kernel_addr_r}
+eth1addr=E8:F6:D7:00:1E:93
+eth2addr=E8:F6:D7:00:1E:94
+eth3addr=E8:F6:D7:00:1E:95
+eth4addr=E8:F6:D7:00:1E:96
+ethact=fm1-mac5
+ethaddr=E8:F6:D7:00:1E:92
+ethprime=fm1-mac5
+fdt_addr=0x500000
+fdt_addr_r=0x88000000
+fdt_size=0x100000
+fdtcontroladdr=fbc01220
+fman_ucode=fbc12d40
+fsl_bootcmd_mcinitcmd_set=y
+kernel_addr=0xA00000
+kernel_addr_r=0x82000000
+kernel_comp_addr_r=0x90000000
+kernel_comp_size=0x1600000
+kernel_size=0x1600000
+load_addr=0xa0000000
+loadaddr=0xa0000000
+mks_loadaddr=0x80000000
+model=Mono Gateway Development Kit
+mtdparts=1550000.spi:1M(rcw-bl2),2M(uboot),1M(uboot-env),1M(fman-ucode),1M(recovery-dtb),4M(unallocated),-(kernel-initramfs)
+netmask=255.255.255.0
+ramdisk_addr_r=0x88080000
+recovery=setenv bootargs "${bootargs_console} rw rootwait quiet ${bootargs_hwtest}"; sf probe 0:0; sf read ${kernel_addr_r} ${kernel_addr} ${kernel_size}; sf read ${fdt_addr_r} ${fdt_addr} ${fdt_size}; booti ${kernel_addr_r} - ${fdt_addr_r}
+serial_number=MT-R01A-0326-00747
+soc=fsl-layerscape
+stderr=serial@21c0500
+stdin=serial@21c0500
+stdout=serial@21c0500
+vendor=freescale
+```