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path: root/src/mainboard/lowrisc/nexys4ddr/mainboard.c
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2017-11-07RISC-V boards: Stop using the config stringJonathan Neuschäfer
RISC-V is moving towards OpenFirmware-derived device trees, and the old functions to read the config string don't work anymore. Use dummy values for the memory base and size until we can query the device tree. Change-Id: Ice13feae4da2085ee56bac4ac2864268da18d8fe Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/21690 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2016-12-06mb/lowrisc/nexys4ddr: Read RAM information from the config stringJonathan Neuschäfer
Change-Id: I9147eca0b536b6267d58f6e8baa37b6950b35160 Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/17710 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2016-12-06mb/lowrisc/nexys4ddr: Initialize CBMEM in romstageJonathan Neuschäfer
Change-Id: Ic1706ae8ab3cbef8f445d70cb78fa9d3301d87be Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/17707 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2016-10-28riscv: add the lowrisc/nexys4ddr mainboardRonald G. Minnich
This was tested at the coreboot meeting in Berlin. The uart programming may still not be right but when used with the lowrisc bitstream for the board we were able to load and start linux, although it does not yet get far due to PTE version issues with lowrisc. Change-Id: Ia1de1a92762631c9d7bb3d41b04f95296144caa3 Signed-off-by: Ronald G. Minnich <rminnich@gmail.com> Reviewed-on: https://review.coreboot.org/17132 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Tested-by: build bot (Jenkins)