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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:13:47 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:13:47 +0000 |
commit | 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 (patch) | |
tree | bcf648efac40ca6139842707f0eba5a4496a6dd2 /plat/nvidia/tegra/common/tegra_gicv3.c | |
parent | Initial commit. (diff) | |
download | arm-trusted-firmware-upstream.tar.xz arm-trusted-firmware-upstream.zip |
Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'plat/nvidia/tegra/common/tegra_gicv3.c')
-rw-r--r-- | plat/nvidia/tegra/common/tegra_gicv3.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/plat/nvidia/tegra/common/tegra_gicv3.c b/plat/nvidia/tegra/common/tegra_gicv3.c new file mode 100644 index 0000000..cba2f9b --- /dev/null +++ b/plat/nvidia/tegra/common/tegra_gicv3.c @@ -0,0 +1,79 @@ +/* + * Copyright (c) 2020, NVIDIA Corporation. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <assert.h> + +#include <common/bl_common.h> +#include <drivers/arm/gicv3.h> +#include <lib/utils.h> + +#include <plat/common/platform.h> +#include <platform_def.h> +#include <tegra_private.h> +#include <tegra_def.h> + +/* The GICv3 driver only needs to be initialized in EL3 */ +static uintptr_t rdistif_base_addrs[PLATFORM_CORE_COUNT]; + +static unsigned int plat_tegra_mpidr_to_core_pos(unsigned long mpidr) +{ + return (unsigned int)plat_core_pos_by_mpidr(mpidr); +} + +/****************************************************************************** + * Tegra common helper to setup the GICv3 driver data. + *****************************************************************************/ +void tegra_gic_setup(const interrupt_prop_t *interrupt_props, + unsigned int interrupt_props_num) +{ + /* + * Tegra GIC configuration settings + */ + static gicv3_driver_data_t tegra_gic_data; + + /* + * Register Tegra GICv3 driver + */ + tegra_gic_data.gicd_base = TEGRA_GICD_BASE; + tegra_gic_data.gicr_base = TEGRA_GICR_BASE; + tegra_gic_data.rdistif_num = PLATFORM_CORE_COUNT; + tegra_gic_data.rdistif_base_addrs = rdistif_base_addrs; + tegra_gic_data.mpidr_to_core_pos = plat_tegra_mpidr_to_core_pos; + tegra_gic_data.interrupt_props = interrupt_props; + tegra_gic_data.interrupt_props_num = interrupt_props_num; + gicv3_driver_init(&tegra_gic_data); + + /* initialize the GICD and GICR */ + tegra_gic_init(); +} + +/****************************************************************************** + * Tegra common helper to initialize the GICv3 only driver. + *****************************************************************************/ +void tegra_gic_init(void) +{ + gicv3_distif_init(); + gicv3_rdistif_init(plat_my_core_pos()); + gicv3_cpuif_enable(plat_my_core_pos()); +} + +/****************************************************************************** + * Tegra common helper to disable the GICv3 CPU interface + *****************************************************************************/ +void tegra_gic_cpuif_deactivate(void) +{ + gicv3_cpuif_disable(plat_my_core_pos()); +} + +/****************************************************************************** + * Tegra common helper to initialize the per cpu distributor interface + * in GICv3 + *****************************************************************************/ +void tegra_gic_pcpu_init(void) +{ + gicv3_rdistif_init(plat_my_core_pos()); + gicv3_cpuif_enable(plat_my_core_pos()); +} |