You should check the datasheet of m28w740hcb and at49bv642d.Maybe there's
something uncorrect when you write to your flash.Focus on the write option
code.Maybe your software is compatible with at49bv642d, but m28w740hcb is not
the same. Hopes to help!
Hi,I've got a problem here.
There is a CF card on my board, which is connecting to the Local Bus of MPC8548
using UPM mode.
The CF card is connecting in PCcard Memory mode.
But I can't find an available or a propriate reference driver.
What can I do? Where can I find a reference CF card driver.
thanks very much
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yes
at first, SDRAM should be initialized through JTAG by emulator
secondly, adjust TEXT_BASE to the SDRAM address region
then u can download the uboot image into SDRAM through JTAG by emulator
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Hi:
PLS check the ddr2 timing configuration. The function name maybe is
fako_spd(), and there is a data array which stores the ddr2 timing
configuration. About the configuration data, U can find on web.The JEDEC
website may help.
PS: the timing configuration data may be read from an EEPROM
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