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| author | Wolfgang Denk <wd@pollux.denx.de> | 2006-08-19 02:04:56 +0200 |
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| committer | Wolfgang Denk <wd@pollux.denx.de> | 2006-08-19 02:04:56 +0200 |
| commit | 4a39616da41840bbc5b4c3f69df9861c2e6a8425 (patch) | |
| tree | b1f3182b68f5115de3f37a2f4bed74971c2786d9 /README | |
| parent | 5196a7a03bc436435787e1ad7044af94d93a5448 (diff) | |
| parent | 86c8e17f25e972a7e272950a0735fad84e082b88 (diff) | |
| download | u-boot-imx-4a39616da41840bbc5b4c3f69df9861c2e6a8425.zip u-boot-imx-4a39616da41840bbc5b4c3f69df9861c2e6a8425.tar.gz u-boot-imx-4a39616da41840bbc5b4c3f69df9861c2e6a8425.tar.bz2 | |
Merge with http://opensource.freescale.com/pub/scm/u-boot-85xx.git#for_wd
Diffstat (limited to 'README')
| -rw-r--r-- | README | 54 |
1 files changed, 54 insertions, 0 deletions
@@ -447,6 +447,11 @@ The following options need to be configured: Board code has addition modification that it wants to make to the flat device tree before handing it off to the kernel + CONFIG_OF_BOOT_CPU + + This define fills in the correct boot cpu in the boot + param header, the default value is zero if undefined. + - Serial Ports: CFG_PL010_SERIAL @@ -3019,6 +3024,55 @@ format!) to the "bootm" command: bash# +Boot Linux and pass a flat device tree: +----------- + +First, U-Boot must be compiled with the appropriate defines. See the section +titled "Linux Kernel Interface" above for a more in depth explanation. The +following is an example of how to start a kernel and pass an updated +flat device tree: + +=> print oftaddr +oftaddr=0x300000 +=> print oft +oft=oftrees/mpc8540ads.dtb +=> tftp $oftaddr $oft +Speed: 1000, full duplex +Using TSEC0 device +TFTP from server 192.168.1.1; our IP address is 192.168.1.101 +Filename 'oftrees/mpc8540ads.dtb'. +Load address: 0x300000 +Loading: # +done +Bytes transferred = 4106 (100a hex) +=> tftp $loadaddr $bootfile +Speed: 1000, full duplex +Using TSEC0 device +TFTP from server 192.168.1.1; our IP address is 192.168.1.2 +Filename 'uImage'. +Load address: 0x200000 +Loading:############ +done +Bytes transferred = 1029407 (fb51f hex) +=> print loadaddr +loadaddr=200000 +=> print oftaddr +oftaddr=0x300000 +=> bootm $loadaddr - $oftaddr +## Booting image at 00200000 ... + Image Name: Linux-2.6.17-dirty + Image Type: PowerPC Linux Kernel Image (gzip compressed) + Data Size: 1029343 Bytes = 1005.2 kB + Load Address: 00000000 + Entry Point: 00000000 + Verifying Checksum ... OK + Uncompressing Kernel Image ... OK +Booting using flat device tree at 0x300000 +Using MPC85xx ADS machine description +Memory CAM mapping: CAM0=256Mb, CAM1=256Mb, CAM2=0Mb residual: 0Mb +[snip] + + More About U-Boot Image Types: ------------------------------ |