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[PATCH 00/18] hw/riscv: Add Microchip PolarFire SoC Icicle Kit board sup


From: Bin Meng
Subject: [PATCH 00/18] hw/riscv: Add Microchip PolarFire SoC Icicle Kit board support
Date: Sat, 15 Aug 2020 00:40:38 +0800

From: Bin Meng <bin.meng@windriver.com>

This adds support for Microchip PolarFire SoC Icicle Kit board.
The Icicle Kit board integrates a PolarFire SoC, with one SiFive's
E51 plus four U54 cores and many on-chip peripherals and an FPGA.

For more details about Microchip PolarFire Soc, please see:
https://www.microsemi.com/product-directory/soc-fpgas/5498-polarfire-soc-fpga

The Icicle Kit board information can be found here:
https://www.microsemi.com/existing-parts/parts/152514

Unlike SiFive FU540, the RISC-V core resect vector is at 0x20220000.
The RISC-V CPU and HART codes has been updated to set the core's
reset vector based on a configurable property from machine codes.

The following perepherals are created as an unimplemented device:

- Bus Error Uint 0/1/2/3/4
- L2 cache controller
- SYSREG
- MPUCFG
- IOSCBCFG
- GPIO

The following perepherals are emulated:
- SiFive CLINT
- SiFive PLIC
- PolarFire SoC Multi-Mode UART
- PolarFire SoC DMA
- Cadence eMMC/SDHCI controller
- Cadence Gigabit Ethernet MAC

Some bugs in the SD card codes are fixed during the development.

The BIOS image used by this machine is hss.bin, aka Hart Software
Services, which can be built from:
https://github.com/polarfire-soc/hart-software-services

To launch this machine:
$ qemu-system-riscv64 -M microchip-icicle-kit -smp 5 \
    -bios path/to/hss.bin -sd path/to/sdcard.img \
    -nic tap,ifname=tap,script=no,model=cadence_gem \
    -display none -serial stdio \
    -chardev socket,id=serial1,path=serial1.sock,server,wait \
    -serial chardev:serial1

The memory is set to 1 GiB by default to match the hardware.
A sanity check on ram size is performed in the machine init routine
to prompt user to increase the RAM size to > 1 GiB when less than
1 GiB ram is detected.

HSS output is on the first serial port (stdio) and U-Boot/Linux
outputs on the 2nd serial port. OpenSBI outputs on a random serial
port due to the lottery mechanism used during the multi-core boot.


Bin Meng (18):
  target/riscv: cpu: Add a new 'resetvec' property
  hw/riscv: hart: Add a new 'resetvec' property
  target/riscv: cpu: Set reset vector based on the configured property
    value
  hw/riscv: Initial support for Microchip PolarFire SoC Icicle Kit board
  hw/char: Add Microchip PolarFire SoC MMUART emulation
  hw/riscv: microchip_pfsoc: Connect 5 MMUARTs
  hw/sd: sd: Fix incorrect populated function switch status data
    structure
  hw/sd: sd: Correctly set the high capacity bit
  hw/sd: sdhci: Make sdhci_poweron_reset() internal visible
  hw/sd: Add Cadence SDHCI emulation
  hw/riscv: microchip_pfsoc: Connect a Cadence SDHCI controller and an
    SD card
  hw/dma: Add Microchip PolarFire Soc DMA controller emulation
  hw/riscv: microchip_pfsoc: Connect a DMA controller
  hw/net: cadence_gem: Add a new 'phy-addr' property
  hw/riscv: microchip_pfsoc: Connect 2 Cadence GEMs
  hw/riscv: microchip_pfsoc: Hook GPIO controllers
  hw/riscv: clint: Avoid using hard-coded timebase frequency
  hw/riscv: microchip_pfsoc: Document the software used for testing

 MAINTAINERS                         |  11 +
 default-configs/riscv64-softmmu.mak |   1 +
 hw/char/Kconfig                     |   3 +
 hw/char/Makefile.objs               |   1 +
 hw/char/mchp_pfsoc_mmuart.c         |  82 +++++++
 hw/dma/Kconfig                      |   3 +
 hw/dma/Makefile.objs                |   1 +
 hw/dma/mchp_pfsoc_dma.c             | 322 +++++++++++++++++++++++++
 hw/net/cadence_gem.c                |   7 +-
 hw/riscv/Kconfig                    |   9 +
 hw/riscv/Makefile.objs              |   1 +
 hw/riscv/microchip_pfsoc.c          | 456 ++++++++++++++++++++++++++++++++++++
 hw/riscv/opentitan.c                |   1 +
 hw/riscv/riscv_hart.c               |   3 +
 hw/riscv/sifive_clint.c             |  25 +-
 hw/riscv/sifive_e.c                 |   4 +-
 hw/riscv/sifive_u.c                 |   5 +-
 hw/riscv/spike.c                    |   2 +-
 hw/riscv/virt.c                     |   3 +-
 hw/sd/Kconfig                       |   4 +
 hw/sd/Makefile.objs                 |   1 +
 hw/sd/cadence_sdhci.c               | 162 +++++++++++++
 hw/sd/sd.c                          |   8 +-
 hw/sd/sdhci-internal.h              |   1 +
 hw/sd/sdhci.c                       |   2 +-
 include/hw/char/mchp_pfsoc_mmuart.h |  61 +++++
 include/hw/dma/mchp_pfsoc_dma.h     |  57 +++++
 include/hw/net/cadence_gem.h        |   2 +
 include/hw/riscv/microchip_pfsoc.h  | 125 ++++++++++
 include/hw/riscv/riscv_hart.h       |   1 +
 include/hw/riscv/sifive_clint.h     |   3 +-
 include/hw/sd/cadence_sdhci.h       |  65 +++++
 target/riscv/cpu.c                  |   8 +-
 target/riscv/cpu.h                  |   7 +-
 target/riscv/cpu_helper.c           |   4 +-
 target/riscv/csr.c                  |   4 +-
 36 files changed, 1424 insertions(+), 31 deletions(-)
 create mode 100644 hw/char/mchp_pfsoc_mmuart.c
 create mode 100644 hw/dma/mchp_pfsoc_dma.c
 create mode 100644 hw/riscv/microchip_pfsoc.c
 create mode 100644 hw/sd/cadence_sdhci.c
 create mode 100644 include/hw/char/mchp_pfsoc_mmuart.h
 create mode 100644 include/hw/dma/mchp_pfsoc_dma.h
 create mode 100644 include/hw/riscv/microchip_pfsoc.h
 create mode 100644 include/hw/sd/cadence_sdhci.h

-- 
2.7.4




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