xref: /rk3399_rockchip-uboot/doc/SPI/README.altera_spi (revision 93a7515a89b7c181f810a1b9d77717f5e7a27e5f)
1SoCFPGA EPCS/EPCQx1 mini howto:
2- Instantiate EPCS/EPCQx1 Serial flash controller in QSys and rebuild
3- The controller base address is the "Base" in QSys + 0x400
4- Set MSEL[4:0]=10010 (AS Standard)
5- Load the bitstream into FPGA, enable bridges
6- Only then will the driver work
7