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Diffstat (limited to '')
-rw-r--r-- | plat/qemu/common/qemu_gicv3.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/plat/qemu/common/qemu_gicv3.c b/plat/qemu/common/qemu_gicv3.c new file mode 100644 index 0000000..0d35446 --- /dev/null +++ b/plat/qemu/common/qemu_gicv3.c @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2019, Linaro Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <drivers/arm/gicv3.h> +#include <drivers/arm/gic_common.h> +#include <platform_def.h> +#include <plat/common/platform.h> + +static const interrupt_prop_t qemu_interrupt_props[] = { + PLATFORM_G1S_PROPS(INTR_GROUP1S), + PLATFORM_G0_PROPS(INTR_GROUP0) +}; + +static uintptr_t qemu_rdistif_base_addrs[PLATFORM_CORE_COUNT]; + +static unsigned int qemu_mpidr_to_core_pos(unsigned long mpidr) +{ + return (unsigned int)plat_core_pos_by_mpidr(mpidr); +} + +static const gicv3_driver_data_t qemu_gicv3_driver_data = { + .gicd_base = GICD_BASE, + .gicr_base = GICR_BASE, + .interrupt_props = qemu_interrupt_props, + .interrupt_props_num = ARRAY_SIZE(qemu_interrupt_props), + .rdistif_num = PLATFORM_CORE_COUNT, + .rdistif_base_addrs = qemu_rdistif_base_addrs, + .mpidr_to_core_pos = qemu_mpidr_to_core_pos +}; + +void plat_qemu_gic_init(void) +{ + gicv3_driver_init(&qemu_gicv3_driver_data); + gicv3_distif_init(); + gicv3_rdistif_init(plat_my_core_pos()); + gicv3_cpuif_enable(plat_my_core_pos()); +} + +void qemu_pwr_gic_on_finish(void) +{ + gicv3_rdistif_init(plat_my_core_pos()); + gicv3_cpuif_enable(plat_my_core_pos()); +} + +void qemu_pwr_gic_off(void) +{ + gicv3_cpuif_disable(plat_my_core_pos()); + gicv3_rdistif_off(plat_my_core_pos()); +} |