Re: [PATCH v2 01/10] hw/riscv: microchip_pfsoc: Document where to look at the SoC memory maps

[Alistair Francis <alistair23@gmail.com>]

On Tue, Oct 27, 2020 at 10:31 PM Bin Meng <bmeng.cn@gmail.com> wrote:
>
> From: Bin Meng <bin.meng@windriver.com>
>
> It is not easy to find out the memory map for a specific component
> in the PolarFire SoC as the information is scattered in different
> documents. Add some comments so that people can know where to get
> such information from the Microchip website.
>
> Signed-off-by: Bin Meng <bin.meng@windriver.com>

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>

Alistair

>
> ---
>
> Changes in v2:
> - new patch: Document where to look at the PolarFire SoC memory maps
>
>  hw/riscv/microchip_pfsoc.c | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
>
> diff --git a/hw/riscv/microchip_pfsoc.c b/hw/riscv/microchip_pfsoc.c
> index 4627179..6aac849 100644
> --- a/hw/riscv/microchip_pfsoc.c
> +++ b/hw/riscv/microchip_pfsoc.c
> @@ -66,6 +66,24 @@
>  /* GEM version */
>  #define GEM_REVISION    0x0107010c
>
> +/*
> + * The complete description of the whole PolarFire SoC memory map is scattered
> + * in different documents. There are several places to look at for memory maps:
> + *
> + * 1 Chapter 11 "MSS Memory Map", in the doc "UG0880: PolarFire SoC FPGA
> + *   Microprocessor Subsystem (MSS) User Guide", which can be downloaded from
> + *   https://www.microsemi.com/document-portal/doc_download/
> + *   1244570-ug0880-polarfire-soc-fpga-microprocessor-subsystem-mss-user-guide,
> + *   describes the whole picture of the PolarFire SoC memory map.
> + *
> + * 2 A zip file for PolarFire soC memory map, which can be downloaded from
> + *   https://www.microsemi.com/document-portal/doc_download/
> + *   1244581-polarfire-soc-register-map, contains the following 2 major parts:
> + *   - Register Map/PF_SoC_RegMap_V1_1/pfsoc_regmap.htm
> + *     describes the complete integrated peripherals memory map
> + *   - Register Map/PF_SoC_RegMap_V1_1/MPFS250T/mpfs250t_ioscb_memmap_dri.htm
> + *     describes the complete IOSCB modules memory maps
> + */
>  static const struct MemmapEntry {
>      hwaddr base;
>      hwaddr size;
> --
> 2.7.4
>
>