[00/21] Add i.MX 8M Plus EVK machine

Message

Bernhard Beschow Jan. 20, 2025, 8:37 p.m. UTC

This series adds a new aarch64 machine to QEMU: i.MX 8M Plus EVK [1]. It allows
for running Linux distributions such as Buildroot
(freescale_imx8mpevk_defconfig) and Arch Linux [2] via direct kernel boot.
U-Boot does not work yet. I plan to use this machine myself and I also want to
make it available to a bigger audience, so I propose to add it to QEMU. My goal
would be to have it added for 10.0.

The series includes the unreviewed patches of [3] and is structured as follows:
The first four patches fix some issues in device models reused by the new
machine. Patches 5-18 add the machine step by step which includes documentation.
Patches 19 and 20 add some further device models that I'd like to use with the
new machine. The last patch is a fix I created during debugging but I don't rely
on it.

I've based some code on existing one (see "Based on" in file headers) and I'm
unsure how to handle the licensing and attribution correctly -- advice welcome.
The TCA6416 emulation is taken from the Xilinx fork where it is used in some
cadence machines. Would the respective upstream maintainers be willing to
maintain the device model upstream instead?

[1] https://www.nxp.com/design/design-center/development-boards-and-designs/8MPLUSLPD4-EVK
[2] https://archlinuxarm.org/platforms/armv8/generic
[3] https://patchew.org/QEMU/[e-mail]/

Supersedes: [e-mail]

Bernhard Beschow (21):
  hw/char/imx_serial: Fix reset value of UFCR register
  hw/char/imx_serial: Update all state before restarting ageing timer
  hw/pci-host/designware: Expose MSI IRQ
  hw/usb/hcd-dwc3: Align global registers size with Linux
  hw/arm: Add i.MX 8M Plus EVK board
  hw/arm/fsl-imx8mp: Implement clock tree
  hw/arm/fsl-imx8mp: Add SNVS
  hw/arm/fsl-imx8mp: Add USDHC storage controllers
  hw/arm/fsl-imx8mp: Add PCIe support
  hw/arm/fsl-imx8mp: Add GPIO controllers
  hw/arm/fsl-imx8mp: Add I2C controllers
  hw/arm/fsl-imx8mp: Add SPI controllers
  hw/arm/fsl-imx8mp: Add watchdog support
  hw/arm/fsl-imx8mp: Implement gneral purpose timers
  hw/arm/fsl-imx8mp: Add Ethernet controller
  hw/arm/fsl-imx8mp: Add USB support
  hw/arm/fsl-imx8mp: Add boot ROM
  hw/arm/fsl-imx8mp: Add on-chip RAM
  hw/rtc: Add Ricoh RS5C372 RTC emulation
  hw/i2c: Import TCA6416 emulation from Xilinx
  hw/gpio/imx_gpio: Don't clear input GPIO values upon reset

 MAINTAINERS                         |  16 +
 docs/system/arm/imx8mp-evk.rst      |  84 ++++
 docs/system/target-arm.rst          |   1 +
 include/hw/arm/fsl-imx6.h           |   4 +-
 include/hw/arm/fsl-imx7.h           |   4 +-
 include/hw/arm/fsl-imx8mp.h         | 284 +++++++++++
 include/hw/char/imx_serial.h        |   2 +-
 include/hw/misc/imx8mp_ccm.h        |  97 ++++
 include/hw/pci-host/designware.h    |   1 +
 include/hw/pci-host/fsl_imx8m_phy.h |  27 +
 include/hw/timer/imx_gpt.h          |   1 +
 include/hw/usb/hcd-dwc3.h           |   2 +-
 hw/arm/fsl-imx6.c                   |  13 +-
 hw/arm/fsl-imx7.c                   |  13 +-
 hw/arm/fsl-imx8mp.c                 | 736 ++++++++++++++++++++++++++++
 hw/arm/imx8mp-evk.c                 |  74 +++
 hw/char/imx_serial.c                |   7 +-
 hw/gpio/imx_gpio.c                  |   1 -
 hw/gpio/tca6416.c                   | 122 +++++
 hw/misc/imx8mp_ccm.c                | 315 ++++++++++++
 hw/pci-host/designware.c            |   7 +-
 hw/pci-host/fsl_imx8m_phy.c         |  88 ++++
 hw/rtc/rs5c372.c                    | 227 +++++++++
 hw/timer/imx_gpt.c                  |  25 +
 hw/usb/hcd-dwc3.c                   |   5 +
 hw/arm/Kconfig                      |  25 +
 hw/arm/meson.build                  |   2 +
 hw/gpio/Kconfig                     |   5 +
 hw/gpio/meson.build                 |   1 +
 hw/gpio/trace-events                |   4 +
 hw/misc/meson.build                 |   1 +
 hw/pci-host/Kconfig                 |   3 +
 hw/pci-host/meson.build             |   1 +
 hw/rtc/Kconfig                      |   5 +
 hw/rtc/meson.build                  |   1 +
 hw/rtc/trace-events                 |   4 +
 pc-bios/imx8mp-boot.rom             | Bin 0 -> 258048 bytes
 pc-bios/meson.build                 |   1 +
 38 files changed, 2195 insertions(+), 14 deletions(-)
 create mode 100644 docs/system/arm/imx8mp-evk.rst
 create mode 100644 include/hw/arm/fsl-imx8mp.h
 create mode 100644 include/hw/misc/imx8mp_ccm.h
 create mode 100644 include/hw/pci-host/fsl_imx8m_phy.h
 create mode 100644 hw/arm/fsl-imx8mp.c
 create mode 100644 hw/arm/imx8mp-evk.c
 create mode 100644 hw/gpio/tca6416.c
 create mode 100644 hw/misc/imx8mp_ccm.c
 create mode 100644 hw/pci-host/fsl_imx8m_phy.c
 create mode 100644 hw/rtc/rs5c372.c
 create mode 100644 pc-bios/imx8mp-boot.rom