Hi Angelo,
angelo wrote:
i have my own custom board, MCF5307, oscillator is 40Mhz, core clock (X2
is 80Mhz), 4Mb Flash (16bit words flash) and 16M SDRAM. I am trying to
boot a 2.6 kernel.
After boot loader is started from the flash (i am using Colilo) the
flash is remapped at 0xffc00000.
Then, from Colilo, i load the kernel (image.bin) in the SDRAM, copying
it at 0x400. I dumped the SDRAM memory from 0x400, kernel is copied
correctly.
When i launch it, (commad "g 400"), immediately the execution move to a
"_fault" Colilo vector table handler, that jump to a "rescue" function
that make blink some leds and do other stuffs also.
Are you absolutely sure you have your DRAM setup correctly?
Regards
Greg
Seems some kernel configuration parameters is certainly wrong. I attach
"Processor Type" part of the .,config.
#
# Processor type and features
#
# CONFIG_M68328 is not set
# CONFIG_M68EZ328 is not set
# CONFIG_M68VZ328 is not set
# CONFIG_M68360 is not set
# CONFIG_M5206 is not set
# CONFIG_M5206e is not set
# CONFIG_M520x is not set
# CONFIG_M523x is not set
# CONFIG_M5249 is not set
# CONFIG_M5271 is not set
# CONFIG_M5272 is not set
# CONFIG_M5275 is not set
# CONFIG_M528x is not set
CONFIG_M5307=y
# CONFIG_M532x is not set
# CONFIG_M5407 is not set
CONFIG_COLDFIRE=y
CONFIG_CLOCK_SET=y
CONFIG_CLOCK_FREQ=80000000
CONFIG_CLOCK_DIV=2
# CONFIG_OLDMASK is not set
#
# Platform
#
# CONFIG_ARN5307 is not set
# CONFIG_M5307C3 is not set
# CONFIG_SECUREEDGEMP3 is not set
# CONFIG_CLEOPATRA is not set
# CONFIG_NETtel is not set
CONFIG_4KSTACKS=y
CONFIG_HZ=100
#
# RAM configuration
#
CONFIG_RAMBASE=0x00000000
CONFIG_RAMSIZE=0x01000000
CONFIG_VECTORBASE=0x00000000
CONFIG_KERNELBASE=0x00000400
# CONFIG_RAMAUTOBIT is not set
# CONFIG_RAM8BIT is not set
# CONFIG_RAM16BIT is not set
CONFIG_RAM32BIT=y
#
# ROM configuration
#
# CONFIG_ROM is not set
CONFIG_RAMKERNEL=y
# CONFIG_ROMKERNEL is not set
CONFIG_PREEMPT_NONE=y
# CONFIG_PREEMPT_VOLUNTARY is not set
# CONFIG_PREEMPT is not set
CONFIG_SELECT_MEMORY_MODEL=y
CONFIG_FLATMEM_MANUAL=y
# CONFIG_DISCONTIGMEM_MANUAL is not set
# CONFIG_SPARSEMEM_MANUAL is not set
CONFIG_FLATMEM=y
CONFIG_FLAT_NODE_MEM_MAP=y
CONFIG_PAGEFLAGS_EXTENDED=y
CONFIG_SPLIT_PTLOCK_CPUS=4
# CONFIG_PHYS_ADDR_T_64BIT is not set
CONFIG_ZONE_DMA_FLAG=1
CONFIG_VIRT_TO_BUS=y
#
# Boot configuration
#
# CONFIG_UCBOOTLOADER is not set
CONFIG_ISA_DMA_API=y
Every help is appreciated.
Many thanks,
Angelo
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--
------------------------------------------------------------------------
Greg Ungerer -- Principal Engineer EMAIL: g...@snapgear.com
SnapGear Group, McAfee PHONE: +61 7 3435 2888
8 Gardner Close FAX: +61 7 3217 5323
Milton, QLD, 4064, Australia WEB: http://www.SnapGear.com
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