Dear xiangfu,
In message <4a30b020.7080...@gmail.com> you wrote:
>
> here is part of JZ4740 cpu data sheet [1]
> --
> 3.7.3 BOOT
> Jz4740 support 3 different boot sources depending on BOOT_SEL0 and BOOT_SEL1
> pin values.
> Table 3-29 lists them.
> Table 3-29 Boot from 3 boot sources
>
> BOOT_SEL1 BOOT_SEL0 Boot Source
> 0 0 Boot from NOR flash at CS4
> 0 1 Boot from USB device
> 1 0 Boot from 512 page NAND flash at CS1
> 1 1 Boot from 2k page NAND flash at CS1
cool. "3 different boot sources" - one, two, three, four ;-)
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: w...@denx.de
There's nothing disgusting about it [the Companion]. It's just
another life form, that's all. You get used to those things.
-- McCoy, "Metamorphosis", stardate 3219.8
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