Hi Ron, Dne 24.6.2018 v 20:59 ron minnich napsal(a): > and ... there ends my interest in the hifive. A shame.
Well perhaps because the DDR controller is third party IP, see [1] FAQ or here: > The Freedom U540 SoC is based on the Freedom Unleashed Platform, which has > been open sourced. The Freedom Platform is available at > https://github.com/sifive/freedom and is maintained by SiFive. In the Freedom > Platform, you will find: > > RISC-V Rocket CPU > TileLink, a free and open coherent SoC interconnect > Low-speed Peripherals: SPI, UART, PWM, GPIO, I2C > High-speed Xilinx FPGA Peripheral Wrappers: DDR, PCIe blocks > The Freedom U540 contains many 3rd-party IP: cells, pads, PLL, OTP, DDR, > GbE, ROM, which are not open-sourced And, On Sun, Jun 24, 2018 at 11:47 AM Jonathan Neuschäfer <j.neuschae...@gmx.net> wrote > "While we’d love to provide you with this information, we believe we > cannot. However, we can’t prevent anyone from disassembling the fsbl and > copying the values sent to the blackbox DDR register map." I think they are even asking to actually make some open version of FSBL Thanks Rudolf [1] https://www.sifive.com/products/hifive-unleashed/ -- coreboot mailing list: coreboot@coreboot.org https://mail.coreboot.org/mailman/listinfo/coreboot
