On Mon, Nov 27, 2023 at 3:32 PM Maxim Uvarov <maxim.uva...@linaro.org> wrote: > > > > On Mon, 27 Nov 2023 at 20:08, Tom Rini <tr...@konsulko.com> wrote: >> >> On Mon, Nov 27, 2023 at 08:06:23PM +0600, Maxim Uvarov wrote: >> > On Mon, 27 Nov 2023 at 19:08, Tom Rini <tr...@konsulko.com> wrote: >> > >> > > On Mon, Nov 27, 2023 at 06:57:16PM +0600, Maxim Uvarov wrote: >> > > >> > > > Increase allowed binary size to fit lwip code. >> > > > >> > > > Signed-off-by: Maxim Uvarov <maxim.uva...@linaro.org> >> > > > --- >> > > > configs/am335x_evm_defconfig | 1 + >> > > > 1 file changed, 1 insertion(+) >> > > > >> > > > diff --git a/configs/am335x_evm_defconfig >> > > > b/configs/am335x_evm_defconfig >> > > > index f048e60f7f..9fd608bd76 100644 >> > > > --- a/configs/am335x_evm_defconfig >> > > > +++ b/configs/am335x_evm_defconfig >> > > > @@ -124,3 +124,4 @@ CONFIG_WDT=y >> > > > CONFIG_DYNAMIC_CRC_TABLE=y >> > > > CONFIG_RSA=y >> > > > CONFIG_LZO=y >> > > > +CONFIG_SPL_MAX_SIZE=0x29000 >> > > >> > > As probably a problem for other platforms you made this change on too, >> > > you can't do this. The link limit is here because that's the limit the >> > > hardware (and ROM) imposes. >> > > >> > > You might need to either: >> > > - Figure out how to make lwip even tinier for the SPL case >> > > - Limit the old network stack to just for SPL, and a later task is to >> > > reduce what's in the old stack to just what's also needed within SPL. >> > > >> > > >> > Thanks Tom. All these size changes need to be reviewed. Some of them are >> > ok, I think like for x86 or qemu virt, but some of them might not work. >> > >> > Question - Do we need networking inside SPL rather than in the main binary? >> > Is it a real use case? >> >> Yes, the device supports loading SPL, and then SPL loading U-Boot both >> over USB RNDIS as well as regular physical ethernet. >> >> -- >> Tom > > > That looks like not a production use case. USB + NET + drivers + EXT4 + NAND > + MTD and everything else and trying to fit into SPL. > With enabling LTO I still need 4k (without dropping current code). From one > point it's too synthetic use case here and might be a historical > limitation which we will not see on future boards. From the other point it > will be good to not break it somehow....
Does this still include the old network code? Also I wonder if we can have a paired down SPL_LWIP option that removes things like PXE and HTTP/wget because none of those would be used in the SPL use case as they're all brand new. Peter
