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Opentitan earlgrey changes for upstream #323

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Opentitan earlgrey changes for upstream #323

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411ee79
Introduce ot-earlgrey machine, and one peripheral for it (alert handler)
lexbaileylowrisc Feb 17, 2026
4c2365a
[ot] target/riscv: rename ibex hart as lowrisc-ibex
rivos-eblot Apr 27, 2023
efb4f33
[ot] hw/char, hw/timer, hw/ssi: fix device definitions
rivos-eblot Jan 30, 2023
1992169
[ot] hw/riscv: add helper for Ibex platforms
rivos-eblot Jun 5, 2023
5cfa8b2
[ot] target/riscv: implement custom LowRisc Ibex CSRs
rivos-eblot Feb 7, 2023
80d15ea
[ot] target/riscv: add custom mtvec CSR management
rivos-eblot Mar 29, 2023
3c53016
[ot] target/riscv, hw/riscv: add basic OpenTitan EarlGrey machine
rivos-eblot Apr 27, 2023
81da2a6
[ot] target/riscv: add support for impl-defined initial PMP config
rivos-eblot Feb 15, 2023
dbd76d2
[ot] hw/riscv: ot_earlgrey: add HW PMP configuration
rivos-eblot Feb 15, 2023
c554eb8
[ot] hw/opentitan: add OpenTitan shadow register helpers
loiclefort Feb 17, 2023
bbbcf08
[ot] hw/riscv: add an IRQ wrapper
rivos-eblot Jan 31, 2023
9ed7dac
[ot] hw/riscv, hw/opentitan: add Opentitan Alert handler device
rivos-eblot Feb 16, 2023
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21 changes: 19 additions & 2 deletions MAINTAINERS
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Original file line number Diff line number Diff line change
Expand Up @@ -1716,9 +1716,13 @@ M: Alistair Francis <Alistair.Francis@wdc.com>
L: qemu-riscv@nongnu.org
S: Supported
F: hw/riscv/opentitan.c
F: hw/*/ibex_*.c
F: hw/ssi/ibex_spi_host.c
F: hw/timer/ibex_timer.c
F: hw/char/ibex_uart.c
F: include/hw/riscv/opentitan.h
F: include/hw/*/ibex_*.h
F: include/hw/ssi/ibex_spi_host.h
F: include/hw/timer/ibex_timer.h
F: include/hw/char/ibex_uart.h

Microchip PolarFire SoC Icicle Kit
L: qemu-riscv@nongnu.org
Expand Down Expand Up @@ -4450,6 +4454,19 @@ F: docs/devel/ebpf_rss.rst
F: ebpf/*
F: tools/ebpf/*

Ibex
M: lowRISC <qemu-maintainers@lowrisc.org>
S: Supported
F: hw/riscv/ibex_common.c
F: include/hw/riscv/ibex_common.h
F: include/hw/riscv/ibex_irq.h

OpenTitan
M: lowRISC <qemu-maintainers@lowrisc.org>
S: Supported
F: hw/opentitan/*
F: include/hw/opentitan/*

Build and test automation
-------------------------
Build and test automation, general continuous integration
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12 changes: 12 additions & 0 deletions hmp-commands-info.hx
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Expand Up @@ -1010,3 +1010,15 @@ SRST
``info firmware-log``
Show the firmware (ovmf) debug log.
ERST

{
.name = "ibex",
.args_type = "",
.params = "",
.help = "Show Ibex vCPU info",
},

SRST
``info ibex``
Show Ibex vCPU information.
ERST
3 changes: 3 additions & 0 deletions hw/Kconfig
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Expand Up @@ -69,6 +69,9 @@ source sparc64/Kconfig
source tricore/Kconfig
source xtensa/Kconfig

# OpenTitan devices
source opentitan/Kconfig

# Symbols used by multiple targets
config TEST_DEVICES
bool
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3 changes: 3 additions & 0 deletions hw/char/Kconfig
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Expand Up @@ -95,3 +95,6 @@ config IP_OCTAL_232
bool
default y
depends on IPACK

config IBEX_UART
bool
2 changes: 1 addition & 1 deletion hw/char/meson.build
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Expand Up @@ -2,7 +2,7 @@ system_ss.add(when: 'CONFIG_CADENCE', if_true: files('cadence_uart.c'))
system_ss.add(when: 'CONFIG_CMSDK_APB_UART', if_true: files('cmsdk-apb-uart.c'))
system_ss.add(when: 'CONFIG_ESCC', if_true: files('escc.c'))
system_ss.add(when: 'CONFIG_GRLIB', if_true: files('grlib_apbuart.c'))
system_ss.add(when: 'CONFIG_IBEX', if_true: files('ibex_uart.c'))
system_ss.add(when: 'CONFIG_IBEX_UART', if_true: files('ibex_uart.c'))
system_ss.add(when: 'CONFIG_IMX', if_true: files('imx_serial.c'))
system_ss.add(when: 'CONFIG_IP_OCTAL_232', if_true: files('ipoctal232.c'))
system_ss.add(when: 'CONFIG_ISA_BUS', if_true: files('parallel-isa.c'))
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1 change: 1 addition & 0 deletions hw/meson.build
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Expand Up @@ -20,6 +20,7 @@ subdir('sparc')
subdir('sparc64')
subdir('tricore')
subdir('xtensa')
subdir('opentitan')

subdir('9pfs')
subdir('acpi')
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4 changes: 4 additions & 0 deletions hw/opentitan/Kconfig
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@@ -0,0 +1,4 @@
# OpenTitan devices

config OT_ALERT
bool
3 changes: 3 additions & 0 deletions hw/opentitan/meson.build
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@@ -0,0 +1,3 @@
# OpenTitan devices

system_ss.add(when: 'CONFIG_OT_ALERT', if_true: files('ot_alert.c'))
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