The K230 machine and its watchdog are already in tree. This series adds device models for the peripherals on the c908 little-core bus and wires them into the machine, each with a qtest.
Patch 1 adds the DesignWare APB GPIO controller (one PLIC line per pin). Patch 2 adds the RTC (date/time, masked alarm, periodic tick, live sub-second count). Patch 3 adds the IOMUX pin controller and the mailbox/IPCM block (doorbell interrupts + hardware spinlock). Patch 4 adds the SD/eMMC host (DesignWare dw_mmc) register model. Patch 5 wires the devices into the k230 machine, adds two SiFive PWM instances, a satellite-safety fault-injection qtest, and updates docs and MAINTAINERS. Register layouts are taken from the K230 TRM v0.3.1, the upstream Linux pinctrl-k230 driver, and the Canaan k230_sdk. Exercised by the k230 qtests (gpio, rtc, iomux, mailbox, dwmmc, pwm, safety) under qtest-riscv64. Based on commit f893c46 (qemu-openbios-20260707 merge); hw/riscv/k230.c and include/hw/riscv/k230.h are unchanged from that base upstream. Leo Cheng (5): hw/gpio: add K230 GPIO controller. hw/rtc: add K230 RTC. hw/misc: add K230 IOMUX and mailbox/IPCM. hw/sd: add K230 SD/eMMC (DesignWare dw_mmc). hw/riscv: wire K230 peripherals into the machine. MAINTAINERS | 12 +- docs/system/riscv/k230.rst | 6 + hw/gpio/Kconfig | 3 + hw/gpio/k230_gpio.c | 270 ++++++++++++++++++++++++++++ hw/gpio/meson.build | 1 + hw/gpio/trace-events | 4 + hw/misc/Kconfig | 6 + hw/misc/k230_iomux.c | 101 +++++++++++ hw/misc/k230_mailbox.c | 206 +++++++++++++++++++++ hw/misc/meson.build | 2 + hw/misc/trace-events | 10 ++ hw/riscv/Kconfig | 7 + hw/riscv/k230.c | 89 ++++++++-- hw/rtc/Kconfig | 3 + hw/rtc/k230_rtc.c | 306 ++++++++++++++++++++++++++++++++ hw/rtc/meson.build | 1 + hw/rtc/trace-events | 5 + hw/sd/Kconfig | 3 + hw/sd/k230_dwmmc.c | 139 +++++++++++++++ hw/sd/meson.build | 1 + hw/sd/trace-events | 4 + include/hw/gpio/k230_gpio.h | 68 +++++++ include/hw/misc/k230_iomux.h | 44 +++++ include/hw/misc/k230_mailbox.h | 61 +++++++ include/hw/riscv/k230.h | 18 ++ include/hw/rtc/k230_rtc.h | 61 +++++++ include/hw/sd/k230_dwmmc.h | 61 +++++++ tests/qtest/k230-dwmmc-test.c | 79 +++++++++ tests/qtest/k230-gpio-test.c | 143 +++++++++++++++ tests/qtest/k230-iomux-test.c | 62 +++++++ tests/qtest/k230-mailbox-test.c | 89 ++++++++++ tests/qtest/k230-pwm-test.c | 43 +++++ tests/qtest/k230-rtc-test.c | 188 ++++++++++++++++++++ tests/qtest/k230-safety-test.c | 127 +++++++++++++ tests/qtest/meson.build | 2 +- 35 files changed, 2211 insertions(+), 14 deletions(-) create mode 100644 hw/gpio/k230_gpio.c create mode 100644 hw/misc/k230_iomux.c create mode 100644 hw/misc/k230_mailbox.c create mode 100644 hw/rtc/k230_rtc.c create mode 100644 hw/sd/k230_dwmmc.c create mode 100644 include/hw/gpio/k230_gpio.h create mode 100644 include/hw/misc/k230_iomux.h create mode 100644 include/hw/misc/k230_mailbox.h create mode 100644 include/hw/rtc/k230_rtc.h create mode 100644 include/hw/sd/k230_dwmmc.h create mode 100644 tests/qtest/k230-dwmmc-test.c create mode 100644 tests/qtest/k230-gpio-test.c create mode 100644 tests/qtest/k230-iomux-test.c create mode 100644 tests/qtest/k230-mailbox-test.c create mode 100644 tests/qtest/k230-pwm-test.c create mode 100644 tests/qtest/k230-rtc-test.c create mode 100644 tests/qtest/k230-safety-test.c -- 2.43.0
