Hi Alistair, On Wed, Oct 28, 2020 at 1:42 AM Alistair Francis <alistai...@gmail.com> wrote: > > On Tue, Oct 27, 2020 at 7:53 AM Bin Meng <bmeng...@gmail.com> wrote: > > > > From: Bin Meng <bin.m...@windriver.com> > > > > Somehow HSS needs to access address 0 [1] for the DDR calibration data > > which is in the chipset's debug memory. Let's map the debug memory. > > > > [1] See the config_copy() calls in various places in ddr_setup() in > > the HSS source codes. > > Really? This is reserved memory that they just read and write to? That's > crazy.
Yes, that's crazy. > > If we really need this can you add a comment saying that the > documentation is wrong (again) and that this needs to be here. > I will try to only map 256 bytes to see how that goes. > > > > Signed-off-by: Bin Meng <bin.m...@windriver.com> > > --- > > > > hw/riscv/microchip_pfsoc.c | 8 ++++++++ > > 1 file changed, 8 insertions(+) > > Regards, Bin
