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c43b45863e
The generic bootscript is tailored around a downstream firmware and doesn't work on a firmware built from mainline components. Add a bootscript which: * sets $console since mainline u-boot doesn't do that * uses distro boot variables, so OpenWRT can be booted off any supported device when using a mainline firmware * sets missing distro boot variables for the downstream firmware Booting with a downstream firmware is unchanged. Booting with a mainline firmware now works. Signed-off-by: Andre Heider <a.heider@gmail.com>
35 lines
877 B
Plaintext
35 lines
877 B
Plaintext
# Bootscript for Globalscale ESPRESSOBin Board
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# Set distro variables if necessary for compability with downstream firmware
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if test -z "${kernel_addr_r}"; then
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setenv kernel_addr_r 0x7000000
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fi
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if test -z "${fdt_add_r}"; then
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setenv fdt_addr_r 0x6f00000
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fi
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if test -z "${devtype}"; then
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setenv devtype mmc
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fi
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if test -z "${devnum}"; then
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if mmc dev 0; then
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setenv devnum 0
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elif mmc dev 1; then
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setenv devnum 1
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fi
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fi
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# figure out partition uuid to pass to the kernel as root=
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part uuid ${devtype} ${devnum}:2 uuid
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setenv console "console=ttyMV0,115200 earlycon=ar3700_uart,0xd0012000"
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setenv bootargs "root=PARTUUID=${uuid} rw rootwait ${console}"
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echo "Booting Linux from ${devtype} ${devnum} with args: ${bootargs}"
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load ${devtype} ${devnum}:1 ${fdt_addr_r} @DTB@.dtb
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load ${devtype} ${devnum}:1 ${kernel_addr_r} Image
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booti ${kernel_addr_r} - ${fdt_addr_r}
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