We are using imx6 processor and interfaced MX66L51235FZI SPI Nor flash. ECSPI3 SPI controller is used and following are lines which are connected.
- ECSPI3_SS0 -DISP0_DAT3.alt2
- ECSPI3_CLK - DISP0_DAT0.alt2
- ECSPI3_MISO- DISP0_DAT2.alt2
Boot mode selected is BOOT_MODE[1:0] as 0x10 boot from internal mode option is selected.
Boot configuration pins for BOOT_CONFIG[1:4][7:0] when serial ROM and ECSPI3 controller are selected is shown below:
00110000 00000000 00000000 00001010.
With the above configuration and SPI NOR FLASH is preloaded with SPL of 1KB @ 0x400 address. When we switch on the board uboot doesn't appear we try to probe the DISPO_DAT0 (clk) line during power up we see no clock on the line.
Could you please let us know whether our configuration is correct or not and are we missing anything?