On Wed, Jun 26, 2019 at 4:07 PM Stefan Roese <s...@denx.de> wrote: > > On 26.06.19 11:53, Suniel Mahesh wrote: > > Hi, > > > > I am trying to convert watchdog driver(omap3_wdt) on TI AM33XX platform to > > Driver Model. > > Since DM is also enabled in SPL, size of SPL image generated(with watchdog > > DM enabled) is > > bigger compared to the SRAM size(.u_boot_list section doesn't fit in the > > region alloted) > > and build is failing with the following error: > > > > LD spl/drivers/usb/gadget/built-in.o > > LD spl/drivers/usb/musb-new/built-in.o > > LD spl/drivers/built-in.o > > LD spl/u-boot-spl > > arm-linux-ld.bfd: u-boot-spl section `.u_boot_list' will not fit in region > > `.sram' > > arm-linux-ld.bfd: region `.sram' overflowed by 48 bytes > > make[1]: *** [spl/u-boot-spl] Error 1 > > make: *** [spl/u-boot-spl] Error 2 > > > > The SRAM size in the device is 130047 bytes, of which 110592 bytes are > > allocated for SPL > > Image, 6144 bytes for stack and the rest 12799 bytes for RAM Exec vectors, > > tracing data > > and static variables. > > > > Maximum SPL image size is fixed at 110592 bytes > > > > SPL size without Watchdog driver model is 110880 bytes. > > > > So, the reason for such error is straight forward. > > > > I can think of two possible approaches (might be wrong): > > > > 1. either disable DM in SPL for watchdog ? > > (dm: mmc: Allow disabling driver model in SPL - by Simon Glass) > > > > 2. The stack allocated for SPL in SRAM is 6KB and 12799 bytes for RAM Exec > > vectors, > > tracing data and static variables. can we do something here, by borrowing > > some bytes ? > > > > Or any possible solutions ? > > You could also disable the watchdog in SPL and only enable it > later in U-Boot proper.
May be his requirement is to reset the watchdog if SPL hang or something. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
