diff options
Diffstat (limited to 'plat/rockchip/common/rockchip_gicv2.c')
-rw-r--r-- | plat/rockchip/common/rockchip_gicv2.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/plat/rockchip/common/rockchip_gicv2.c b/plat/rockchip/common/rockchip_gicv2.c new file mode 100644 index 0000000..8db2b30 --- /dev/null +++ b/plat/rockchip/common/rockchip_gicv2.c @@ -0,0 +1,81 @@ +/* + * Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <platform_def.h> + +#include <common/bl_common.h> +#include <common/interrupt_props.h> +#include <drivers/arm/gicv2.h> +#include <lib/utils.h> + +/****************************************************************************** + * The following functions are defined as weak to allow a platform to override + * the way the GICv2 driver is initialised and used. + *****************************************************************************/ +#pragma weak plat_rockchip_gic_driver_init +#pragma weak plat_rockchip_gic_init +#pragma weak plat_rockchip_gic_cpuif_enable +#pragma weak plat_rockchip_gic_cpuif_disable +#pragma weak plat_rockchip_gic_pcpu_init + +/****************************************************************************** + * List of interrupts. + *****************************************************************************/ +static const interrupt_prop_t g0_interrupt_props[] = { + PLAT_RK_GICV2_G0_IRQS +}; + +/* + * Ideally `rockchip_gic_data` structure definition should be a `const` but it + * is kept as modifiable for overwriting with different GICD and GICC base when + * running on FVP with VE memory map. + */ +gicv2_driver_data_t rockchip_gic_data = { + .gicd_base = PLAT_RK_GICD_BASE, + .gicc_base = PLAT_RK_GICC_BASE, + .interrupt_props = g0_interrupt_props, + .interrupt_props_num = ARRAY_SIZE(g0_interrupt_props), +}; + +/****************************************************************************** + * RockChip common helper to initialize the GICv2 only driver. + *****************************************************************************/ +void plat_rockchip_gic_driver_init(void) +{ + gicv2_driver_init(&rockchip_gic_data); +} + +void plat_rockchip_gic_init(void) +{ + gicv2_distif_init(); + gicv2_pcpu_distif_init(); + gicv2_cpuif_enable(); +} + +/****************************************************************************** + * RockChip common helper to enable the GICv2 CPU interface + *****************************************************************************/ +void plat_rockchip_gic_cpuif_enable(void) +{ + gicv2_cpuif_enable(); +} + +/****************************************************************************** + * RockChip common helper to disable the GICv2 CPU interface + *****************************************************************************/ +void plat_rockchip_gic_cpuif_disable(void) +{ + gicv2_cpuif_disable(); +} + +/****************************************************************************** + * RockChip common helper to initialize the per cpu distributor interface + * in GICv2 + *****************************************************************************/ +void plat_rockchip_gic_pcpu_init(void) +{ + gicv2_pcpu_distif_init(); +} |