On Fri, Oct 16, 2020 at 8:04 AM Ivan Griffin <[email protected]> wrote:
>
> Adding the PolarFire SoC IOSCBCTRL memory region to prevent QEMU
> reporting a STORE/AMO Access Fault.
>
> This region is used by the PolarFire SoC port of U-Boot to
> interact with the FPGA system controller.
>
> Signed-off-by: Ivan Griffin <[email protected]>
> ---
> hw/riscv/microchip_pfsoc.c | 6 ++++++
> include/hw/riscv/microchip_pfsoc.h | 1 +
> 2 files changed, 7 insertions(+)
>
> diff --git a/hw/riscv/microchip_pfsoc.c b/hw/riscv/microchip_pfsoc.c
> index 4627179cd3..20e1496e3e 100644
> --- a/hw/riscv/microchip_pfsoc.c
> +++ b/hw/riscv/microchip_pfsoc.c
> @@ -97,6 +97,7 @@ static const struct MemmapEntry {
> [MICROCHIP_PFSOC_GPIO2] = { 0x20122000, 0x1000 },
> [MICROCHIP_PFSOC_ENVM_CFG] = { 0x20200000, 0x1000 },
> [MICROCHIP_PFSOC_ENVM_DATA] = { 0x20220000, 0x20000 },
> + [MICROCHIP_PFSOC_IOSCB_CTRL] = { 0x37020000, 0x1000 },
I don't see this in the UG0880 "User Guide PolarFire SoC FPGA
Microprocessor Sub-System" memory map.
Where is this documented?
Alistair
> [MICROCHIP_PFSOC_IOSCB_CFG] = { 0x37080000, 0x1000 },
> [MICROCHIP_PFSOC_DRAM] = { 0x80000000, 0x0 },
> };
> @@ -341,6 +342,11 @@ static void microchip_pfsoc_soc_realize(DeviceState
> *dev, Error **errp)
> create_unimplemented_device("microchip.pfsoc.ioscb.cfg",
> memmap[MICROCHIP_PFSOC_IOSCB_CFG].base,
> memmap[MICROCHIP_PFSOC_IOSCB_CFG].size);
> +
> + /* IOSCBCTRL */
> + create_unimplemented_device("microchip.pfsoc.ioscb.ctrl",
> + memmap[MICROCHIP_PFSOC_IOSCB_CTRL].base,
> + memmap[MICROCHIP_PFSOC_IOSCB_CTRL].size);
> }
>
> static void microchip_pfsoc_soc_class_init(ObjectClass *oc, void *data)
> diff --git a/include/hw/riscv/microchip_pfsoc.h
> b/include/hw/riscv/microchip_pfsoc.h
> index 8bfc7e1a85..3f1874b162 100644
> --- a/include/hw/riscv/microchip_pfsoc.h
> +++ b/include/hw/riscv/microchip_pfsoc.h
> @@ -95,6 +95,7 @@ enum {
> MICROCHIP_PFSOC_ENVM_CFG,
> MICROCHIP_PFSOC_ENVM_DATA,
> MICROCHIP_PFSOC_IOSCB_CFG,
> + MICROCHIP_PFSOC_IOSCB_CTRL,
> MICROCHIP_PFSOC_DRAM,
> };
>
> --
> 2.17.1
>
>
