Add some stuff
This commit is contained in:
Diogo Cordeiro
@@ -0,0 +1,10 @@
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echo Starting Ubuntu...
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setenv bootargs console=ttySAC0,115200 nosplash mem=2048M@0x80000000 mem=6144M@0x100000000
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sata init
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test -n "$kernel_addr_r" || setenv kernel_addr_r 0x80007000
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test -n "$ramdisk_addr_r" || setenv ramdisk_addr_r 0x81000000
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test -n "$fdt_addr_r" || setenv fdt_addr_r 0x82000000
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ext2load sata 0 $kernel_addr_r uImage
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ext2load sata 0 $ramdisk_addr_r uInitrd
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imi $ramdisk_addr_r || setenv ramdisk_addr_r -
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bootm $kernel_addr_r $ramdisk_addr_r
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@@ -0,0 +1,65 @@
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# Ubuntu Classic RPi U-Boot script (for armhf and arm64)
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# Expects to be called with the following environment variables set:
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#
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# devtype e.g. mmc/scsi etc
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# devnum The device number of the given type
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# distro_bootpart The partition containing the boot files
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# (introduced in u-boot mainline 2016.01)
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# prefix Prefix within the boot partiion to the boot files
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# kernel_addr_r Address to load the kernel to
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# fdt_addr_r Address to load the FDT to
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# ramdisk_addr_r Address to load the initrd to.
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# Take fdt addr from the prior stage boot loader, if available
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if test -n "$fdt_addr"; then
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fdt addr ${fdt_addr}
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fdt move ${fdt_addr} ${fdt_addr_r} # implicitly sets fdt active
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else
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fdt addr ${fdt_addr_r}
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fi
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fdt get value bootargs /chosen bootargs
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setenv bootargs "@@LINUX_KERNEL_CMDLINE_DEFAULTS@@ ${bootargs} @@LINUX_KERNEL_CMDLINE@@"
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@@UBOOT_ENV_EXTRA@@
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@@UBOOT_PREBOOT_EXTRA@@
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if test -z "${fk_image_locations}"; then
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setenv fk_image_locations ${prefix}
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fi
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for pathprefix in ${fk_image_locations}; do
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# Store the gzip header (1f 8b) in the kernel area for comparison to the
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# header of the image we load. Load "vmlinuz" into the portion of memory for
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# the RAM disk (because we want to uncompress to the kernel area if it's
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# compressed) and compare the word at the start
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mw.w ${kernel_addr_r} 0x8b1f # little endian
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if load ${devtype} ${devnum}:${distro_bootpart} ${ramdisk_addr_r} ${pathprefix}vmlinuz; then
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kernel_size=${filesize}
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if cmp.w ${kernel_addr_r} ${ramdisk_addr_r} 1; then
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# gzip compressed image (NOTE: *not* a self-extracting gzip compressed
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# kernel, just a kernel image that has been gzip'd)
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echo "Decompressing kernel..."
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unzip ${ramdisk_addr_r} ${kernel_addr_r}
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setenv kernel_size ${filesize}
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setenv try_boot "booti"
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else
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# Possibly self-extracting or uncompressed; copy data into the kernel area
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# and attempt launch with bootz then booti
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echo "Copying kernel..."
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cp.b ${ramdisk_addr_r} ${kernel_addr_r} ${kernel_size}
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setenv try_boot "bootz booti"
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fi
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if load ${devtype} ${devnum}:${distro_bootpart} ${ramdisk_addr_r} ${pathprefix}initrd.img; then
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setenv ramdisk_param "${ramdisk_addr_r}:${filesize}"
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else
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setenv ramdisk_param "-"
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fi
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for cmd in ${try_boot}; do
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echo "Booting Ubuntu (with ${cmd}) from ${devtype} ${devnum}:${partition}..."
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${cmd} ${kernel_addr_r} ${ramdisk_param} ${fdt_addr_r}
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done
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fi
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done
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@@ -0,0 +1,56 @@
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# Bootscript using the new unified bootcmd handling
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#
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# Expects to be called with the following environment variables set:
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#
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# devtype e.g. mmc/scsi etc
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# devnum The device number of the given type
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# bootpart The partition containing the boot files
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# distro_bootpart The partition containing the boot files
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# (introduced in u-boot mainline 2016.01)
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# prefix Prefix within the boot partiion to the boot files
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# kernel_addr_r Address to load the kernel to
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# fdt_addr_r Address to load the FDT to
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# ramdisk_addr_r Address to load the initrd to.
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#
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# The uboot must support the booti and generic filesystem load commands.
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if test -n "${console}"; then
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setenv bootargs "${bootargs} console=${console}"
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fi
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setenv bootargs @@LINUX_KERNEL_CMDLINE_DEFAULTS@@ ${bootargs} @@LINUX_KERNEL_CMDLINE@@
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@@UBOOT_ENV_EXTRA@@
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if test -z "${fk_kvers}"; then
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setenv fk_kvers '@@KERNEL_VERSION@@'
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fi
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# These two blocks should be the same apart from the use of
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# ${fk_kvers} in the first, the syntax supported by u-boot does not
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# lend itself to removing this duplication.
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if test -n "${fdtfile}"; then
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setenv fdtpath dtbs/${fk_kvers}/${fdtfile}
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else
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setenv fdtpath dtb-${fk_kvers}
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fi
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if test -z "${distro_bootpart}"; then
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setenv partition ${bootpart}
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else
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setenv partition ${distro_bootpart}
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fi
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@@UBOOT_PREBOOT_EXTRA@@
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load ${devtype} ${devnum}:${partition} ${kernel_addr_r} ${prefix}vmlinuz-${fk_kvers} \
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&& load ${devtype} ${devnum}:${partition} ${fdt_addr_r} ${prefix}${fdtpath} \
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&& load ${devtype} ${devnum}:${partition} ${ramdisk_addr_r} ${prefix}initrd.img-${fk_kvers} \
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&& echo "Booting Debian ${fk_kvers} from ${devtype} ${devnum}:${partition}..." \
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&& booti ${kernel_addr_r} ${ramdisk_addr_r}:${filesize} ${fdt_addr_r}
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load ${devtype} ${devnum}:${partition} ${kernel_addr_r} ${prefix}vmlinuz \
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&& load ${devtype} ${devnum}:${partition} ${fdt_addr_r} ${prefix}dtb \
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&& load ${devtype} ${devnum}:${partition} ${ramdisk_addr_r} ${prefix}initrd.img \
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&& echo "Booting Debian from ${devtype} ${devnum}:${partition}..." \
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&& booti ${kernel_addr_r} ${ramdisk_addr_r}:${filesize} ${fdt_addr_r}
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@@ -0,0 +1,5 @@
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setenv bootargs "console=ttyS0,${baudrate}n8r ro"
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@@UBOOT_ENV_EXTRA@@
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load scsi 0 ${kernel_addr_r} uImage
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load scsi 0 ${ramdisk_addr_r} uInitrd
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bootm ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}
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@@ -0,0 +1,6 @@
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setenv bootargs @@LINUX_KERNEL_CMDLINE_DEFAULTS@@ ${bootargs} @@LINUX_KERNEL_CMDLINE@@
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@@UBOOT_ENV_EXTRA@@
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ext4load scsi 0 ${kernel_addr_r} uImage
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ext4load scsi 0 ${ramdisk_addr_r} uInitrd
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ext4load scsi 0 ${fdt_addr_r} dtb
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bootm ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}
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7
systems/lctr-a72xx/fs/etc/flash-kernel/db
Normal file
7
systems/lctr-a72xx/fs/etc/flash-kernel/db
Normal file
@@ -0,0 +1,7 @@
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# To override fields include the Machine field and the fields you wish to
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# override.
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#
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# e.g. to override Boot-Device on the Dreamplug to sdb rather than sda
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#
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#Machine: Globalscale Technologies Dreamplug
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#Boot-Device: /dev/sdb1
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2
systems/lctr-a72xx/fs/etc/flash-kernel/dtbs/README.dtbs
Normal file
2
systems/lctr-a72xx/fs/etc/flash-kernel/dtbs/README.dtbs
Normal file
@@ -0,0 +1,2 @@
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DTB files installed in this directory will be used in preference to
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the ones shipped with the kernel.
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