e858c774d2
* Backport support for Linux 4.19 Signed-off-by: Alastair D'Silva <alastair@d-silva.org> * OPI: Update Orange Pi Prime config to use Linux 4.19 Signed-off-by: Alastair D'Silva <alastair@d-silva.org> * OPI: Enable I2C0 on the Orange Pi Prime Signed-off-by: Alastair D'Silva <alastair@d-silva.org> * OPI: Enable GPIO via sysfs Signed-off-by: Alastair D'Silva <alastair@d-silva.org>
89 lines
2.6 KiB
Plaintext
89 lines
2.6 KiB
Plaintext
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part start mmc ${devnum} 6 mmc_env
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mmc dev ${devnum}
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setenv loadbootstate " \
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echo 'loading env...'; \
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mmc read ${ramdisk_addr_r} ${mmc_env} 0x40; \
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env import -c ${ramdisk_addr_r} 0x8000;"
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setenv storebootstate " \
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echo 'storing env...'; \
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env export -c -s 0x8000 ${ramdisk_addr_r} BOOT_ORDER BOOT_A_LEFT BOOT_B_LEFT; \
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mmc write ${ramdisk_addr_r} ${mmc_env} 0x40;"
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run loadbootstate
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test -n "${BOOT_ORDER}" || setenv BOOT_ORDER "A B"
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test -n "${BOOT_A_LEFT}" || setenv BOOT_A_LEFT 3
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test -n "${BOOT_B_LEFT}" || setenv BOOT_B_LEFT 3
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# HassOS bootargs
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setenv bootargs_hassos "zram.enabled=1 zram.num_devices=3 apparmor=1 security=apparmor cgroup_enable=memory rootwait"
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# HassOS system A/B
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setenv bootargs_a "root=PARTUUID=8d3d53e3-6d49-4c38-8349-aff6859e82fd rootfstype=squashfs ro"
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setenv bootargs_b "root=PARTUUID=a3ec664e-32ce-4665-95ea-7ae90ce9aa20 rootfstype=squashfs ro"
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# Load extraargs
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fileenv mmc ${devnum}:1 ${ramdisk_addr_r} cmdline.txt cmdline
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# Load device tree
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fatload mmc ${devnum}:1 ${fdt_addr_r} sun50i-h5-orangepi-prime.dtb
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fdt addr ${fdt_addr_r}
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if load mmc ${devnum}:1 ${ramdisk_addr_r} config.txt; then
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env import -t ${ramdisk_addr_r} ${filesize};
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fi
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if test "${i2c0_enable}" != "false"; then
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fdt set /soc/i2c@1c2ac00 status "okay"
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fi
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if test "${i2c1_enable}" != "false"; then
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fdt set /soc/i2c@1c2b000 status "okay"
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fi
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if test "${i2c2_enable}" != "false"; then
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fdt set /soc/i2c@1c2b400 status "okay"
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fi
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setenv bootargs
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for BOOT_SLOT in "${BOOT_ORDER}"; do
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if test "x${bootargs}" != "x"; then
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# skip remaining slots
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elif test "x${BOOT_SLOT}" = "xA"; then
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if test ${BOOT_A_LEFT} -gt 0; then
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setexpr BOOT_A_LEFT ${BOOT_A_LEFT} - 1
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echo "Found valid slot A, ${BOOT_A_LEFT} attempts remaining"
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setenv load_kernel "ext4load mmc ${devnum}:2 ${kernel_addr_r} Image"
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setenv bootargs "${bootargs_hassos} ${bootargs_a} rauc.slot=A ${cmdline}"
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fi
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elif test "x${BOOT_SLOT}" = "xB"; then
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if test ${BOOT_B_LEFT} -gt 0; then
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setexpr BOOT_B_LEFT ${BOOT_B_LEFT} - 1
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echo "Found valid slot B, ${BOOT_B_LEFT} attempts remaining"
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setenv load_kernel "ext4load mmc ${devnum}:4 ${kernel_addr_r} Image"
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setenv bootargs "${bootargs_hassos} ${bootargs_b} rauc.slot=B ${cmdline}"
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fi
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fi
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done
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if test -n "${bootargs}"; then
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run storebootstate
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else
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echo "No valid slot found, resetting tries to 3"
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setenv BOOT_A_LEFT 3
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setenv BOOT_B_LEFT 3
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run storebootstate
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reset
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fi
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echo "Loading kernel"
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run load_kernel
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echo " Starting kernel"
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printenv load_kernel
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printenv bootargs
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booti ${kernel_addr_r} - ${fdt_addr_r}
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echo "Fails on boot"
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reset
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