diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index c2044139450427489861b556e725bc30e7be7043..b7562a721ac059da16b728f02c595bf7f8a1da2a 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1128,6 +1128,8 @@ source "arch/arm/mach-versatile/Kconfig" source "arch/arm/mach-vexpress/Kconfig" source "arch/arm/plat-versatile/Kconfig" +source "arch/arm/mach-virt/Kconfig" + source "arch/arm/mach-vt8500/Kconfig" source "arch/arm/mach-w90x900/Kconfig" diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 30c443c406f3f85ef6f473b7522d426716f56ba6..ea4f481753c52b90531916550cdfa4b7c86d4339 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -194,6 +194,7 @@ machine-$(CONFIG_ARCH_SOCFPGA) += socfpga machine-$(CONFIG_ARCH_SPEAR13XX) += spear13xx machine-$(CONFIG_ARCH_SPEAR3XX) += spear3xx machine-$(CONFIG_MACH_SPEAR600) += spear6xx +machine-$(CONFIG_ARCH_VIRT) += virt machine-$(CONFIG_ARCH_ZYNQ) += zynq machine-$(CONFIG_ARCH_SUNXI) += sunxi diff --git a/arch/arm/mach-virt/Kconfig b/arch/arm/mach-virt/Kconfig new file mode 100644 index 0000000000000000000000000000000000000000..a568a2a5bb90935e50478b8a0c6f1a7490004493 --- /dev/null +++ b/arch/arm/mach-virt/Kconfig @@ -0,0 +1,9 @@ +config ARCH_VIRT + bool "Dummy Virtual Machine" if ARCH_MULTI_V7 + select ARCH_WANT_OPTIONAL_GPIOLIB + select ARM_GIC + select ARM_ARCH_TIMER + select HAVE_SMP + select CPU_V7 + select SPARSE_IRQ + select USE_OF diff --git a/arch/arm/mach-virt/Makefile b/arch/arm/mach-virt/Makefile new file mode 100644 index 0000000000000000000000000000000000000000..7ddbfa60227f8e267acc58bca381428fdb99e294 --- /dev/null +++ b/arch/arm/mach-virt/Makefile @@ -0,0 +1,5 @@ +# +# Makefile for the linux kernel. +# + +obj-y := virt.o diff --git a/arch/arm/mach-virt/virt.c b/arch/arm/mach-virt/virt.c new file mode 100644 index 0000000000000000000000000000000000000000..d8a84b53fe0c310337b14e74eba42ce7b5b3aefb --- /dev/null +++ b/arch/arm/mach-virt/virt.c @@ -0,0 +1,54 @@ +/* + * Dummy Virtual Machine - does what it says on the tin. + * + * Copyright (C) 2012 ARM Ltd + * Authors: Will Deacon , + * Marc Zyngier + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include +#include +#include + +#include +#include +#include + +static void __init virt_init(void) +{ + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); +} + +static void __init virt_timer_init(void) +{ + WARN_ON(arch_timer_of_register() != 0); + WARN_ON(arch_timer_sched_clock_init() != 0); +} + +static const char *virt_dt_match[] = { + "linux,dummy-virt", + NULL +}; + +static struct sys_timer virt_timer = { + .init = virt_timer_init, +}; + +DT_MACHINE_START(VIRT, "Dummy Virtual Machine") + .init_irq = irqchip_init, + .timer = &virt_timer, + .init_machine = virt_init, + .dt_compat = virt_dt_match, +MACHINE_END