I'm building AM335xSDK 05_03_03_00 u-boot for AM335x Beaglebone. The build enviornment is Ubuntu 10.04.4 LTS. After I run u-boot on Beaglebone, I always get "WARNING: Caches not enabled", but the prebuild images don't have this warnning. Could anyone help me on this? Thank you!
prebuild iamges log:
====================================================================
U-Boot SPL 2011.09-00000-gf63b270-dirty (Nov 14 2011 - 10:37:14)
Texas Instruments Revision detection unimplemented
OMAP SD/MMC: 0
reading u-boot.img
reading u-boot.img
U-Boot 2011.09-00000-gf63b270-dirty (Nov 14 2011 - 10:37:14)
I2C: ready
DRAM: 256 MiB
No daughter card present
NAND: HW ECC Hamming Code selected
nand_get_flash_type: second ID read did not match 10,10 against 00,10
No NAND device found!!!
0 MiB
MMC: OMAP SD/MMC: 0
*** Warning - readenv() failed, using default environment
Net: cpsw
Hit any key to stop autoboot: 0
SD/MMC found on device 0
reading uEnv.txt
my built images log:
===================================================
U-Boot SPL 2011.09 (Mar 12 2012 - 17:40:25)
Texas Instruments Revision detection unimplemented
OMAP SD/MMC: 0
reading u-boot.img
reading u-boot.img
U-Boot 2011.09 (Mar 12 2012 - 17:40:25)
I2C: ready
DRAM: 256 MiB
WARNING: Caches not enabled
No daughter card present
NAND: HW ECC Hamming Code selected
nand_get_flash_type: unknown NAND device: Manufacturer ID: 0x10, Chip ID: 0x10
No NAND device found!!!
0 MiB
MMC: OMAP SD/MMC: 0
*** Warning - readenv() failed, using default environment
Net: cpsw
Hit any key to stop autoboot: 0