13519 2019-09-11 14:55:20 +0000 meta-ti (a345e0c2) U-Boot MLO execution fails on Beagleboard-xM (rev C) 2024-12-13 19:57:26 +0000 1 1 7 Build System, Metadata & Runtime BSPs bsps-meta-ti 2.7.1 Beagleboard arm RESOLVED OBSOLETE Undecided critical --- 1 kec201909 denis --- --- No (bug/feature does not impact docs) oldest_to_newest 84928 0 kec201909 2019-09-11 14:55:20 +0000 U-Boot MLO built for meta-ti (a345e0c2) and current yocto 2.7.1 (38d5c8e) fails to reach first console output on Beagleboard-xM (rev C). I believe the call stack below fails to complete: #0 get_cr () at /Yocto/Warrior/xM/190911a/poky/build/tmp/work/beagleboard-poky-linux-gnueabi/u-boot-ti-staging/2019.01+gitAUTOINC+a280dd38e1-r23 /git/arch/arm/include/asm/system.h:376 #1 mmu_setup () at /Yocto/Warrior/xM/190911a/poky/build/tmp/work/beagleboard-poky-linux-gnueabi/u-boot-ti-staging/2019.01+gitAUTOINC+a280dd38e1-r23 /git/arch/arm/lib/cache-cp15.c:224 #2 cache_enable (cache_bit=4) at /Yocto/Warrior/xM/190911a/poky/build/tmp/work/beagleboard-poky-linux-gnueabi/u-boot-ti-staging/2019.01+gitAUTOINC+a280dd38e1-r23 /git/arch/arm/lib/cache-cp15.c:242 #3 dcache_enable () at /Yocto/Warrior/xM/190911a/poky/build/tmp/work/beagleboard-poky-linux-gnueabi/u-boot-ti-staging/2019.01+gitAUTOINC+a280dd38e1-r23 /git/arch/arm/lib/cache-cp15.c:325 #4 0x40201dcc in enable_caches () at /Yocto/Warrior/xM/190911a/poky/build/tmp/work/beagleboard-poky-linux-gnueabi/u-boot-ti-staging/2019.01+gitAUTOINC+a280dd38e1-r23 /git/arch/arm/mach-omap2/omap-cache.c:51 #5 0x40203622 in board_init_r (dummy1=<optimized out>, dummy2=<optimized out>) at /Yocto/Warrior/xM/190911a/poky/build/tmp/work/beagleboard-poky-linux-gnueabi/u-boot-ti-staging/2019.01+gitAUTOINC+a280dd38e1-r23 I reach a hardware breakpoint at the third instruction below but fail to reach the last instruction show below. 0x402027f4 <dcache_enable+92> mrc 15, 0, r3, cr1, cr0, {0} 0x402027f8 <dcache_enable+96> orr.w r3, r3, #1 0x402027fc <dcache_enable+100> mcr 15, 0, r3, cr1, cr0, {0} 0x40202800 <dcache_enable+104> isb sy Build Configuration: BB_VERSION = "1.42.0" BUILD_SYS = "x86_64-linux" NATIVELSBSTRING = "linuxmint-19.1" TARGET_SYS = "arm-poky-linux-gnueabi" MACHINE = "beagleboard" DISTRO = "poky" DISTRO_VERSION = "2.7.1" TUNE_FEATURES = "arm armv7a vfp thumb neon callconvention-hard" TARGET_FPU = "hard" meta meta-poky meta-yocto-bsp = "warrior:38d5c8ea98cfa49825c473eba8984c12edf062be" meta-ti = "master:a345e0c20596d4a7924143aead795510d14381fc" Note: The JTAG debugger I'm currently using doesn't work well in thumb mode code so I tried to disable thumb mode (where I could easily). Your offsets could be different. 100442 1 denis 2024-12-13 19:57:26 +0000 Closing a very old bug from 5 years ago.