[U-Boot] Porting Questions - was: [PATCH v2] microblaze: Disabling interrupt should return 1 if was enabled

[Wolfgang Denk]

Dear =?GBK?B?09q74Q==?=,

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In message <7eb125f4.fad0.12d0964185c.Coremail.henrybenyu at 163.com> you wrote:
>
>  
> 1). First, I am useing JTAG to download image to SDRAM, base address 0x40000000, (32M) so I confused with
>      "CONFIG_SYS_TEXT_BASE", I think this this the relocate address, I am right? Could you please help
>      me choose a address for me can working. (I choose 0x41F00000, at last crash on relocate: copy_loop)

No, CONFIG_SYS_TEXT_BASE is NOT the relocation address. The relocation
address gets dynamically computed and may vary.  CONFIG_SYS_TEXT_BASE
is the base address of the text segment when linking the U-Boot
image.

> 2). Second, CONFIG_SYS_INIT_SP_ADDR address is also obscure, I choose 0x42000000, at last crash on relocate: copy_loop)

As the name attempts to suggest, CONFIG_SYS_INIT_SP_ADDR defines the
address of the initial steck pointer in the restricted C runtime
environment before relocation.

> 3). What other thing I should do?

Read the documentation and especially existing code for other, similar
boards.

Best regards,

Wolfgang Denk

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