чт, 21 апр. 2022 г. в 11:30, Sascha Hauer <sha@xxxxxxxxxxxxxx>: > On Thu, Apr 21, 2022 at 10:57:33AM +0300, Alexander Shiyan wrote: > > чт, 21 апр. 2022 г. в 10:35, Sascha Hauer <sha@xxxxxxxxxxxxxx>: > > > > > > On Wed, Apr 20, 2022 at 12:53:22PM +0300, Alexander Shiyan wrote: > > > > The MYD-AM335X Development Board designed by MYIR is a high-performance > > > > ARM Evaluation Module (EVM) using the MYC-AM335X CPU module as the core > > > > controller board. It is based on up to 1GHz Texas Instruments (TI) > > > > Sitara AM335x family of ARM Cortex-A8 Microprocessors (MPUs) that deliver > > > > high DMIPs at a low cost while also delivering optional 3D graphics > > > > acceleration and key peripherals. > > > > > > > > Signed-off-by: Alexander Shiyan <eagle.alexander923@xxxxxxxxx> > > ... > > > > +static struct omap_barebox_part myir_barebox_part = { > > > > + .nand_offset = SZ_128K, > > > > + .nand_size = SZ_512K, > > > > +}; > > > > > > Isn't this a bit too small? Putting a barebox into 128k seems very > > > ambicous. > > > > The boot image (MLO) should not exceed 128 KB in size, > > so I think this should be enough. > > In any case this size is already specified for the boot partition > > in kernel DTS for this board. :) > > Oh, I accidently misread nand_size as SZ_128K. Indeed it's SZ_512K which > is small, but sufficient. Anyway, the BBU code assumes 4 eraseblocks for > the four MLO images. That would be a nand_offset of SZ_512K also, which > would then also match the upstream device tree for the board: > > &nand0 { > partition@0 { > label = "MLO"; > reg = <0x00000 0x20000>; > }; > > partition@20000 { > label = "boot"; > reg = <0x20000 0x80000>; > }; > }; > > 512k is still very small nowadays. The images built with omap_defconfig > are just a bit smaller than that. Do you prefer that we fix this in the local overlay now, or leave it as is until kernel DTS upstream changes? _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox