diff --git a/plat/nvidia/tegra/common/tegra_common.mk b/plat/nvidia/tegra/common/tegra_common.mk index abb9bb8..6469f75 100644 --- a/plat/nvidia/tegra/common/tegra_common.mk +++ b/plat/nvidia/tegra/common/tegra_common.mk @@ -13,7 +13,13 @@ COMMON_DIR := plat/nvidia/tegra/common -BL31_SOURCES += drivers/console/aarch64/console.S \ +TEGRA_GICv2_SOURCES := drivers/arm/gic/common/gic_common.c \ + drivers/arm/gic/v2/gicv2_main.c \ + drivers/arm/gic/v2/gicv2_helpers.c \ + plat/common/plat_gicv2.c \ + ${COMMON_DIR}/tegra_gicv2.c + +BL31_SOURCES += drivers/console/aarch64/console.S \ drivers/delay_timer/delay_timer.c \ drivers/ti/uart/aarch64/16550_console.S \ ${COMMON_DIR}/aarch64/tegra_helpers.S \ diff --git a/plat/nvidia/tegra/common/tegra_gicv2.c b/plat/nvidia/tegra/common/tegra_gicv2.c new file mode 100644 index 0000000..6ccbd15 --- /dev/null +++ b/plat/nvidia/tegra/common/tegra_gicv2.c @@ -0,0 +1,61 @@ +/* + * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include +#include +#include +#include +#include +#include +#include + +/****************************************************************************** + * Tegra common helper to setup the GICv2 driver data. + *****************************************************************************/ +void tegra_gic_setup(tegra_gic_cfg_t *cfg) +{ + /* + * Tegra GIC configuration settings + */ + static gicv2_driver_data_t tegra_gic_data; + + /* + * Register Tegra GICv2 driver + */ + tegra_gic_data.gicd_base = TEGRA_GICD_BASE; + tegra_gic_data.gicc_base = TEGRA_GICC_BASE; + tegra_gic_data.g0_interrupt_num = cfg->g0_int_num; + tegra_gic_data.g0_interrupt_array = cfg->g0_int_array; + gicv2_driver_init(&tegra_gic_data); +} + +/****************************************************************************** + * Tegra common helper to initialize the GICv2 only driver. + *****************************************************************************/ +void tegra_gic_init(void) +{ + gicv2_distif_init(); + gicv2_pcpu_distif_init(); + gicv2_cpuif_enable(); +} + +/****************************************************************************** + * Tegra common helper to disable the GICv2 CPU interface + *****************************************************************************/ +void tegra_gic_cpuif_deactivate(void) +{ + gicv2_cpuif_disable(); +} + +/****************************************************************************** + * Tegra common helper to initialize the per cpu distributor interface + * in GICv2 + *****************************************************************************/ +void tegra_gic_pcpu_init(void) +{ + gicv2_pcpu_distif_init(); + gicv2_cpuif_enable(); +}