| /* |
| * Copyright (c) 2013-2016, 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. |
| */ |
| |
| #ifndef __GIC_V3_H__ |
| #define __GIC_V3_H__ |
| |
| /****************************************************************************** |
| * THIS DRIVER IS DEPRECATED. For GICv2 systems, use the driver in gicv2.h |
| * and for GICv3 systems, use the driver in gicv3.h. |
| *****************************************************************************/ |
| #if ERROR_DEPRECATED |
| #error " The legacy ARM GIC driver is deprecated." |
| #endif |
| |
| #include <mmio.h> |
| #include <stdint.h> |
| #include <types.h> |
| |
| |
| /* GICv3 Re-distributor interface registers & shifts */ |
| #define GICR_PCPUBASE_SHIFT 0x11 |
| #define GICR_TYPER 0x08 |
| #define GICR_WAKER 0x14 |
| |
| /* GICR_WAKER bit definitions */ |
| #define WAKER_CA (1UL << 2) |
| #define WAKER_PS (1UL << 1) |
| |
| /* GICR_TYPER bit definitions */ |
| #define GICR_TYPER_AFF_SHIFT 32 |
| #define GICR_TYPER_AFF_MASK 0xffffffff |
| #define GICR_TYPER_LAST (1UL << 4) |
| |
| /* GICv3 ICC_SRE register bit definitions*/ |
| #define ICC_SRE_EN (1UL << 3) |
| #define ICC_SRE_SRE (1UL << 0) |
| |
| /******************************************************************************* |
| * GICv3 defintions |
| ******************************************************************************/ |
| #define GICV3_AFFLVL_MASK 0xff |
| #define GICV3_AFF0_SHIFT 0 |
| #define GICV3_AFF1_SHIFT 8 |
| #define GICV3_AFF2_SHIFT 16 |
| #define GICV3_AFF3_SHIFT 24 |
| #define GICV3_AFFINITY_MASK 0xffffffff |
| |
| /******************************************************************************* |
| * Function prototypes |
| ******************************************************************************/ |
| uintptr_t gicv3_get_rdist(uintptr_t gicr_base, u_register_t mpidr); |
| |
| /******************************************************************************* |
| * GIC Redistributor interface accessors |
| ******************************************************************************/ |
| static inline uint32_t gicr_read_waker(uintptr_t base) |
| { |
| return mmio_read_32(base + GICR_WAKER); |
| } |
| |
| static inline void gicr_write_waker(uintptr_t base, uint32_t val) |
| { |
| mmio_write_32(base + GICR_WAKER, val); |
| } |
| |
| static inline uint64_t gicr_read_typer(uintptr_t base) |
| { |
| return mmio_read_64(base + GICR_TYPER); |
| } |
| |
| |
| #endif /* __GIC_V3_H__ */ |
