diff options
Diffstat (limited to 'plat/marvell/common/marvell_gicv3.c')
| -rw-r--r-- | plat/marvell/common/marvell_gicv3.c | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/plat/marvell/common/marvell_gicv3.c b/plat/marvell/common/marvell_gicv3.c new file mode 100644 index 00000000..8f5f368a --- /dev/null +++ b/plat/marvell/common/marvell_gicv3.c @@ -0,0 +1,151 @@ +/* + * *************************************************************************** + * Copyright (C) 2016 Marvell International Ltd. + * *************************************************************************** + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * Neither the name of Marvell nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, + * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + *************************************************************************** + */ +/* + * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * Neither the name of ARM nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <arm_def.h> +#include <gicv3.h> +#include <plat_marvell.h> +#include <platform.h> +#include <platform_def.h> + +/****************************************************************************** + * The following functions are defined as weak to allow a platform to override + * the way the GICv3 driver is initialised and used. + *****************************************************************************/ +#pragma weak plat_marvell_gic_driver_init +#pragma weak plat_marvell_gic_init +#pragma weak plat_marvell_gic_cpuif_enable +#pragma weak plat_marvell_gic_cpuif_disable +#pragma weak plat_marvell_gic_pcpu_init + + +/* The GICv3 driver only needs to be initialized in EL3 */ +static uintptr_t rdistif_base_addrs[PLATFORM_CORE_COUNT]; + +/* Array of Group1 secure interrupts to be configured by the gic driver */ +static const unsigned int g1s_interrupt_array[] = { + PLAT_MARVELL_G1S_IRQS +}; + +/* Array of Group0 interrupts to be configured by the gic driver */ +static const unsigned int g0_interrupt_array[] = { + PLAT_MARVELL_G0_IRQS +}; + +const gicv3_driver_data_t marvell_gic_data = { + .gicd_base = PLAT_MARVELL_GICD_BASE, + .gicr_base = PLAT_MARVELL_GICR_BASE, + .g0_interrupt_num = ARRAY_SIZE(g0_interrupt_array), + .g1s_interrupt_num = ARRAY_SIZE(g1s_interrupt_array), + .g0_interrupt_array = g0_interrupt_array, + .g1s_interrupt_array = g1s_interrupt_array, + .rdistif_num = PLATFORM_CORE_COUNT, + .rdistif_base_addrs = rdistif_base_addrs, + .mpidr_to_core_pos = plat_marvell_calc_core_pos +}; + +void plat_marvell_gic_driver_init(void) +{ + /* + * The GICv3 driver is initialized in EL3 and does not need + * to be initialized again in SEL1. This is because the S-EL1 + * can use GIC system registers to manage interrupts and does + * not need GIC interface base addresses to be configured. + */ +#if IMAGE_BL31 + gicv3_driver_init(&marvell_gic_data); +#endif +} + +/****************************************************************************** + * ARM common helper to initialize the GIC. Only invoked by BL31 + *****************************************************************************/ +void plat_marvell_gic_init(void) +{ + gicv3_distif_init(); + gicv3_rdistif_init(plat_my_core_pos()); + gicv3_cpuif_enable(plat_my_core_pos()); +} + +/****************************************************************************** + * ARM common helper to enable the GIC CPU interface + *****************************************************************************/ +void plat_marvell_gic_cpuif_enable(void) +{ + gicv3_cpuif_enable(plat_my_core_pos()); +} + +/****************************************************************************** + * ARM common helper to disable the GIC CPU interface + *****************************************************************************/ +void plat_marvell_gic_cpuif_disable(void) +{ + gicv3_cpuif_disable(plat_my_core_pos()); +} + +/****************************************************************************** + * ARM common helper to initialize the per-cpu redistributor interface in GICv3 + *****************************************************************************/ +void plat_marvell_gic_pcpu_init(void) +{ + gicv3_rdistif_init(plat_my_core_pos()); +} |