From 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 11:13:47 +0200 Subject: Adding upstream version 2.8.0+dfsg. Signed-off-by: Daniel Baumann --- plat/hisilicon/poplar/poplar_gicv2.c | 63 ++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 plat/hisilicon/poplar/poplar_gicv2.c (limited to 'plat/hisilicon/poplar/poplar_gicv2.c') diff --git a/plat/hisilicon/poplar/poplar_gicv2.c b/plat/hisilicon/poplar/poplar_gicv2.c new file mode 100644 index 0000000..59f7b76 --- /dev/null +++ b/plat/hisilicon/poplar/poplar_gicv2.c @@ -0,0 +1,63 @@ +/* + * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include + +#include +#include + +/****************************************************************************** + * On a GICv2 system, the Group 1 secure interrupts are treated as Group 0 + * interrupts. + *****************************************************************************/ +static const interrupt_prop_t poplar_interrupt_props[] = { + POPLAR_G1S_IRQ_PROPS(GICV2_INTR_GROUP0), + POPLAR_G0_IRQ_PROPS(GICV2_INTR_GROUP0) +}; + +static unsigned int target_mask_array[PLATFORM_CORE_COUNT]; + +static const gicv2_driver_data_t poplar_gic_data = { + .gicd_base = POPLAR_GICD_BASE, + .gicc_base = POPLAR_GICC_BASE, + .interrupt_props = poplar_interrupt_props, + .interrupt_props_num = ARRAY_SIZE(poplar_interrupt_props), + .target_masks = target_mask_array, + .target_masks_num = ARRAY_SIZE(target_mask_array), +}; + +/****************************************************************************** + * Helper to initialize the GICv2 only driver. + *****************************************************************************/ +void poplar_gic_driver_init(void) +{ + gicv2_driver_init(&poplar_gic_data); +} + +void poplar_gic_init(void) +{ + gicv2_distif_init(); + gicv2_pcpu_distif_init(); + gicv2_set_pe_target_mask(plat_my_core_pos()); + gicv2_cpuif_enable(); +} + +/****************************************************************************** + * Helper to enable the GICv2 CPU interface + *****************************************************************************/ +void poplar_gic_cpuif_enable(void) +{ + gicv2_cpuif_enable(); +} + +/****************************************************************************** + * Helper to initialize the per cpu distributor interface in GICv2 + *****************************************************************************/ +void poplar_gic_pcpu_init(void) +{ + gicv2_pcpu_distif_init(); + gicv2_set_pe_target_mask(plat_my_core_pos()); +} -- cgit v1.2.3