Hi all,
I want to use C6678 SPI boot mode to load my application from nor flash connected to SPI . The board I use is TMDXEVM6678L Rev0.2. I got the information as follows:
the FPGA in the C6678 EVM is programmed to always boot to the I2C to do the PLL fix and re—enter the boot to boot in your selected bootmode.
Here are my steps:
1 . Put the EVM in noboot mode;
2. Program i2crom_0x51_c6678_le.bin( IBL image) to EEPROM at I2C bus address 0x51 following the EEPROM writer's procedure.
3. Program IBL configuration . It includes loading i2cparam_0x51_c6678_le_0x500.out and i2cConfig.gel to CCS5 and running them.
4. Program my application on nor flash using the nor writer from the tools directory.
Here is part of my .dat file.
line 1 1651 1 80000000 1 c2f
line 2 0x 0000 5000
0x 0000 3200
0x 0200 2040
0x 1800 0100
0x 0000 0400
0x 0000 0000
0x 0000 2003
0x 0000 f401
0x 0000 0004
0x 0000 0000
........
line 258 0x2095 8600
0x 6012 0000
.........
4. After successful write,power down the EVM.
Then set the switches as follows:
switch position 4 3 2 1
SW3 1 1 0 1
SW4 0 0 0 0
SW5 0 1 0 0
SW6 0 0 0 1
0 - Position closer to the edge of the EVM
1 - Position away from the edge of the EVM
5. Power up.
But my code is not executed.
Here are my questions:
Q1 . Booting up directly from SPI nor flash is not supported on C6678 EVM. I mean,I2C on EVM must be used in SPI boot mode. Is this correct?
Q2. Is it necessary to program IBL and IBL configuration on I2C EEPROM at bus address 0x51?
Q3. Is there anything wrong with my steps above?
Q4.Can you attach the latest User Guide about the SPI boot mode? I heard that the older User Guide has some mistakes,for example ,the boot parameter structure for SPI.
Q5. If I am using a developing board, not EVM ,is there any difference for Q1 and Q2?
Many thanks.
Nuoxi Lin
