2009/12/10 Scott Wood <scottw...@freescale.com> > 林志平 wrote: > >> > Another question is that I found linux2.6.31 does not support >> > board mpc8544ds, >> >> It should. What problems do you see? >> >> => bootm 0x1000000 0x1800000 0x800000 >> ## Booting kernel from Legacy Image at 01000000 ... >> Image Name: Linux-2.6.31 >> Image Type: PowerPC Linux Kernel Image (gzip compressed) >> Data Size: 2185099 Bytes = 2.1 MB >> Load Address: 00000000 >> Entry Point: 00000000 >> Verifying Checksum ... OK >> ## Loading init Ramdisk from Legacy Image at 01800000 ... >> Image Name: Simple Embedded Linux Framework >> Image Type: PowerPC Linux RAMDisk Image (gzip compressed) >> Data Size: 1859256 Bytes = 1.8 MB >> Load Address: 00000000 >> Entry Point: 00000000 >> Verifying Checksum ... OK >> ## Flattened Device Tree blob at 00800000 >> Booting using the fdt blob at 0x800000 >> Uncompressing Kernel Image ... OK >> Loading Ramdisk to 1fca7000, end 1fe6ceb8 ... OK >> booting kernel using flat tree >> It then stops and never print any more, I use mpc85xx_defconfig, I select >> mpc85xxds in the menuconfig and deselect other options like mpc8540ads etc. >> > > Are you using the mpc8544ds device tree from 2.6.31, unchanged? Try > turning on CONFIG_PPC_EARLY_DEBUG. > > No need to deselect the others, BTW.
> Does mpc85xx_defconfig not work? >> >> Yes mcp85xx_defconfig does not work, I can see mpc8540ads in the >> menuconfig, but no mpc8544ds. >> > > mpc8544ds is supported by CONFIG_MPC85xx_DS. > CONFIG_MPC85XX_DS does not exist. Only mpc85xx_defconfig in > arch/powerpc/configs > -Scott >
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