load address of the kernel

["Roman Mashak" <romez777@xxxxxxxxx>]

Hello

I'm in for porting bootloader U-Boot and Linux on to ARM-based
platform. Now I've reached the point of defining a 'memory map' -- as
I understand this is done along with start address of Linux kernel,
i.e. what's in $(LINUX)/arch/arm/mach-<board>/Makefile.boot (speaking
of 2.6.x kernels).

What I don't quite understand is how are the images of bootloader
(U-Boot in my case), kernel, initrd (if any) laid out in memory, in
what sequences? Does U-Boot copy itself to upper addresses, followed
by kernel? As I know the Linux kernel expects parameteres to be
received on a specific address in ROM from a bootloader, for ARM
platforms these parameters are allocated in ATAG structures -- so how
is this address defined, according to chip's datasheet or somehow
else?

If someone could provide clear example explaining my question - I'd
appreciate a lot.
Thanks in advance.

-- 
Roman Mashak

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