I've upgrade the capacity of Ram size from 256M to 512M on my custom board based on SEQUOIA.
(U-boot Version:2008.10-rc2) I built a ramdisk image which is 72MB.( Also, I modified rd_size to 73728) When I boot up my board, I've got a message like below. . . RAMDISK: Compressed image found at block 0 crc error EXT2-fs warning: mounting unchecked fs, running e2fsck is recommended . . Why does "crc error" occur?? If I use ramdisk image which is 4MB, "crc error" is not appeared. And also if I use u-boot for 256MB on 512MB board, "crc error" is not appeared. Here are my U-boot source which I modified to upgrade memory. Sequoia.h #define CFG_MBYTES_SDRAM (512) Sdram.c Everything Related DDR Control Register Init.s tlbentry( CFG_SDRAM_BASE_2nd, SZ_256M, CFG_SDRAM_BASE_2nd, 0, AC_R|AC_W|AC_X|SA_G|SA_I ) amcc-common.h #define CFG_SDRAM_BASE_2nd 0x10000000 Thanks.
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