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<
lkcl>
are there some instructions online on how to prepare a microsd card for boot on the rk3288?
<
lkcl>
ayaka: ping ^
<
wadim_>
see u-boot/doc/README.rockchip
<
lkcl>
wadim_: star.... on which website is that?
<
lkcl>
wadim_: thxman
<
lkcl>
wadim_: do you happen to know who wrote this:
<
lkcl>
260 The maximum size of u-boot-spl-dtb.bin which the boot ROM will read is 32KB,
<
lkcl>
261 or 0x40 blocks. This is a severe and annoying limitation.
<
lkcl>
because, being honest, it's quite a dumb thing to write.
<
lkcl>
the SoC comes up with absolutely zero initialisation of DDR3 RAM
<
lkcl>
the only "memory" that's available is the 1st level cache
<
lkcl>
that's what the SPL bootloader is loaded directly into: the 1st level cache
<
mmind00>
lkcl: nope ... 1st stage loader gets loaded into the 32k sram on the chip
<
lkcl>
you're
*supposed* to then probe and initialise the DDR3 RAM, PMIC and so on
<
lkcl>
mmind00: oh? huh. that's novel
<
lkcl>
and rather bizarre. and more expensive than just using the 1st level cache
<
lkcl>
ye f****g gods, git clone of u-boot @ 30k/sec because i'm in china.... faakin ell... :)
<
lkcl>
73%... only another 20 minutes to go... come on, come oooonnn!
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<
lkcl>
does anyone know where the kernel and dtb have to be loaded into memory by u-boot on mmc bootup?
<
lkcl>
for sunxi it was something like this:
<
lkcl>
boot_mmc=fatload mmc 0:1 0x43000000 script.bin && fatload mmc 0:1 0x48000000 boot/${kernel} && watchdog 0 && bootm 0x48000000
<
lkcl>
fatload mmc 1:1 0x46000000 ${kernel}; fatload mmc 1:1 0x49000000 ${fdtfile}; bootz 0x46000000 - 0x49000000
* lkcl
is slowly tracking this down...
<
lkcl>
hmmmm.... assumption appears to be that there are multiple partitions, everything's dropped into specific areas, it's all "default"
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<
lkcl>
okaaaay i found interesting things like kernel_addr_r and so on, yay
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<
paulk-collins>
lkcl, yeah, include/configs/foo is what you want to look at
<
paulk-collins>
rksomething
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