diff options
Diffstat (limited to 'arch/arm/mach-virt/virt.c')
| -rw-r--r-- | arch/arm/mach-virt/virt.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/arm/mach-virt/virt.c b/arch/arm/mach-virt/virt.c new file mode 100644 index 00000000000..f6ed9cfeb28 --- /dev/null +++ b/arch/arm/mach-virt/virt.c @@ -0,0 +1,58 @@ +/* + * Dummy Virtual Machine - does what it says on the tin. + * + * Copyright (C) 2012 ARM Ltd + * Authors: Will Deacon <will.deacon@arm.com>, + * Marc Zyngier <marc.zyngier@arm.com> + * + * 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 <http://www.gnu.org/licenses/>. + */ + +#include <linux/irqchip.h> +#include <linux/of_irq.h> +#include <linux/of_platform.h> +#include <linux/smp.h> + +#include <asm/arch_timer.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> + +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, +}; + +extern struct smp_operations virt_smp_ops; + +DT_MACHINE_START(VIRT, "Dummy Virtual Machine") + .init_irq = irqchip_init, + .timer = &virt_timer, + .init_machine = virt_init, + .smp = smp_ops(virt_smp_ops), + .dt_compat = virt_dt_match, +MACHINE_END |