On Sat, Oct 29, 2016 at 12:53:27PM -0500, Adam Ford wrote: > I am trying to utilize Falcon mode on an OMAP3630 (DM3730), but it > just hangs, and I was hoping someone might find something obvious that > I missed. I am able to boot from NAND through U-boot, so I know my > kernel and device tree are OK as are the boot parameters, MLO and > U-boot. > > I have read through the ./doc/README.falcon, and I read through some > of the am33 docs regarding this, and I think I'm doing it right, but > I'm obviously missing something. > > I have reset my partition structure to: > device nand0 <omap2-nand.0>, # parts = 6 > #: name size offset mask_flags > 0: MLO 0x00080000 0x00000000 0 > 1: u-boot 0x001c0000 0x00080000 0 > 2: spl-os 0x00020000 0x00240000 0 > 3: u-boot-env 0x00020000 0x00260000 0 > 4: kernel 0x00800000 0x00280000 0 > 5: fs 0x1f580000 0x00a80000 0 > > My defines in the header file are set as follows: > > #define CONFIG_CMD_SPL_NAND_OFS 0x240000 > (matches spl-os offset) > > #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x280000 > (matches kernel offset) > > #define CONFIG_CMD_SPL_WRITE_SIZE 0x2000 > > > #define CONFIG_SYS_TEXT_BASE 0x80100000 > #define CONFIG_SPL_BSS_START_ADDR 0x80000000 > #define CONFIG_SPL_BSS_MAX_SIZE (512 << 10) /* 512 KB */ > #define CONFIG_SYS_SPL_MALLOC_START 0x80208000 > #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 > > > I build my uImage with LOADADDR=0x80008000 > > My bootargs are as follows: > console=ttyO0,115200n8 ignore_loglevel early_printk no_console_suspend > root=ubi0:rootfs rw ubi.mtd=fs noinitrd rootfstype=ubifs rootwait > display=15 ignore_loglevel early_printk no_console_suspend > mtdparts=omap2-nand.0:512k(MLO),1792k(u-boot),128k(spl-os),128k(u-boot-env),8m(kernel),-(fs) > > > I can load uImage and fdtimage, then with the bootargs set, I run > > spl export fdt $loadaddr - $fdtaddr > > ## Booting kernel from Legacy Image at 81000000 ... > Image Name: Linux-4.9.0-rc2-00040-g9fe68ca-d > Image Type: ARM Linux Kernel Image (uncompressed) > Data Size: 3869952 Bytes = 3.7 MiB > Load Address: 80008000 > Entry Point: 80008000 > Verifying Checksum ... OK > ## Flattened Device Tree blob at 86000000 > Booting using the fdt blob at 0x86000000 > Loading Kernel Image ... OK > Loading Device Tree to 8df1f000, end 8df33114 ... OK > subcommand not supported > subcommand not supported > Loading Device Tree to 8df07000, end 8df1e114 ... OK > Argument image is now in RAM: 0x8df07000 > > I then write this blob to my spl-os partition with the following: > > nand write 0x8df07000 spl-os 0x20000 > > When I eject the SD card and I boot from NAND (attempting) with Falcon > it just hangs: > > U-Boot SPL 2016.11-rc2-00164-g7904673-dirty (Oct 29 2016 - 10:28:32) > Trying to boot from NAND > > Does anyone know if I missed a step somewhere, or do I have something > configured incorrectly?
OK, just to be clear, did you test reading the uImage and spl-os back in U-Boot and booting those? If so and it works, try enabling DEBUG for SPL and seeing if you get more output. -- Tom
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