diff options
Diffstat (limited to 'bsps/include/dev/irq')
-rw-r--r-- | bsps/include/dev/irq/arm-gicv3.h | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/bsps/include/dev/irq/arm-gicv3.h b/bsps/include/dev/irq/arm-gicv3.h new file mode 100644 index 0000000000..60bc315962 --- /dev/null +++ b/bsps/include/dev/irq/arm-gicv3.h @@ -0,0 +1,162 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + +/** + * @file + * + * @ingroup arm_gic + * + * @brief This header file contains interfaces to access an Arm GICv3. + */ + +/* + * Copyright (C) 2019 On-Line Applications Research Corporation (OAR) + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * + * 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 OWNER 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 _RTEMS_DEV_IRQ_ARM_GICV3_H +#define _RTEMS_DEV_IRQ_ARM_GICV3_H + +#include <dev/irq/arm-gic.h> +#include <dev/irq/arm-gic-arch.h> + +#ifdef __cplusplus +extern "C" { +#endif + +#define PRIORITY_DEFAULT 127 + +#define MPIDR_AFFINITY2(val) BSP_FLD64(val, 16, 23) +#define MPIDR_AFFINITY2_GET(reg) BSP_FLD64GET(reg, 16, 23) +#define MPIDR_AFFINITY2_SET(reg, val) BSP_FLD64SET(reg, val, 16, 23) +#define MPIDR_AFFINITY1(val) BSP_FLD64(val, 8, 15) +#define MPIDR_AFFINITY1_GET(reg) BSP_FLD64GET(reg, 8, 15) +#define MPIDR_AFFINITY1_SET(reg, val) BSP_FLD64SET(reg, val, 8, 15) +#define MPIDR_AFFINITY0(val) BSP_FLD64(val, 0, 7) +#define MPIDR_AFFINITY0_GET(reg) BSP_FLD64GET(reg, 0, 7) +#define MPIDR_AFFINITY0_SET(reg, val) BSP_FLD64SET(reg, val, 0, 7) + +#define ICC_SGIR_AFFINITY3(val) BSP_FLD64(val, 48, 55) +#define ICC_SGIR_AFFINITY3_GET(reg) BSP_FLD64GET(reg, 48, 55) +#define ICC_SGIR_AFFINITY3_SET(reg, val) BSP_FLD64SET(reg, val, 48, 55) +#define ICC_SGIR_IRM BSP_BIT32(40) +#define ICC_SGIR_AFFINITY2(val) BSP_FLD64(val, 32, 39) +#define ICC_SGIR_AFFINITY2_GET(reg) BSP_FLD64GET(reg, 32, 39) +#define ICC_SGIR_AFFINITY2_SET(reg, val) BSP_FLD64SET(reg, val, 32, 39) +#define ICC_SGIR_INTID(val) BSP_FLD64(val, 24, 27) +#define ICC_SGIR_INTID_GET(reg) BSP_FLD64GET(reg, 24, 27) +#define ICC_SGIR_INTID_SET(reg, val) BSP_FLD64SET(reg, val, 24, 27) +#define ICC_SGIR_AFFINITY1(val) BSP_FLD64(val, 16, 23) +#define ICC_SGIR_AFFINITY1_GET(reg) BSP_FLD64GET(reg, 16, 23) +#define ICC_SGIR_AFFINITY1_SET(reg, val) BSP_FLD64SET(reg, val, 16, 23) +#define ICC_SGIR_CPU_TARGET_LIST(val) BSP_FLD64(val, 0, 15) +#define ICC_SGIR_CPU_TARGET_LIST_GET(reg) BSP_FLD64GET(reg, 0, 15) +#define ICC_SGIR_CPU_TARGET_LIST_SET(reg, val) BSP_FLD64SET(reg, val, 0, 15) + +#ifdef ARM_MULTILIB_ARCH_V4 +/* cpuif->iccicr */ +#define ICC_CTLR "p15, 0, %0, c12, c12, 4" + +/* cpuif->iccpmr */ +#define ICC_PMR "p15, 0, %0, c4, c6, 0" + +/* cpuif->iccbpr */ +#define ICC_BPR0 "p15, 0, %0, c12, c8, 3" +#define ICC_BPR1 "p15, 0, %0, c12, c12, 3" + +/* cpuif->icciar */ +#define ICC_IAR0 "p15, 0, %0, c12, c8, 0" +#define ICC_IAR1 "p15, 0, %0, c12, c12, 0" + +/* cpuif->icceoir */ +#define ICC_EOIR0 "p15, 0, %0, c12, c8, 1" +#define ICC_EOIR1 "p15, 0, %0, c12, c12, 1" + +#define ICC_SRE "p15, 0, %0, c12, c12, 5" + +#define ICC_IGRPEN0 "p15, 0, %0, c12, c12, 6" +#define ICC_IGRPEN1 "p15, 0, %0, c12, c12, 7" + +#define MPIDR "p15, 0, %0, c0, c0, 5" + +#define READ_SR(SR_NAME) \ +({ \ + uint32_t value; \ + __asm__ volatile("mrc " SR_NAME : "=r" (value) ); \ + value; \ +}) + +#define WRITE_SR(SR_NAME, VALUE) \ + __asm__ volatile("mcr " SR_NAME " \n" : : "r" (VALUE) ); + +#define ICC_SGI1 "p15, 0, %Q0, %R0, c12" +#define WRITE64_SR(SR_NAME, VALUE) \ + __asm__ volatile("mcrr " SR_NAME " \n" : : "r" (VALUE) ); + +#else /* ARM_MULTILIB_ARCH_V4 */ + +/* AArch64 GICv3 registers are not named in GCC */ +#define ICC_IGRPEN0 "S3_0_C12_C12_6, %0" +#define ICC_IGRPEN1 "S3_0_C12_C12_7, %0" +#define ICC_IGRPEN1_EL3 "S3_6_C12_C12_7, %0" +#define ICC_PMR "S3_0_C4_C6_0, %0" +#define ICC_EOIR1 "S3_0_C12_C12_1, %0" +#define ICC_SRE "S3_0_C12_C12_5, %0" +#define ICC_BPR0 "S3_0_C12_C8_3, %0" +#define ICC_CTLR "S3_0_C12_C12_4, %0" +#define ICC_IAR1 "%0, S3_0_C12_C12_0" +#define MPIDR "%0, mpidr_el1" +#define MPIDR_AFFINITY3(val) BSP_FLD64(val, 32, 39) +#define MPIDR_AFFINITY3_GET(reg) BSP_FLD64GET(reg, 32, 39) +#define MPIDR_AFFINITY3_SET(reg, val) BSP_FLD64SET(reg, val, 32, 39) + +#define ICC_SGI1 "S3_0_C12_C11_5, %0" +#define WRITE64_SR(SR_NAME, VALUE) \ + __asm__ volatile("msr " SR_NAME " \n" : : "r" (VALUE) ); +#define WRITE_SR(SR_NAME, VALUE) WRITE64_SR(SR_NAME, VALUE) + +#define READ_SR(SR_NAME) \ +({ \ + uint64_t value; \ + __asm__ volatile("mrs " SR_NAME : "=&r" (value) ); \ + value; \ +}) + +#endif /* ARM_MULTILIB_ARCH_V4 */ + +static inline volatile gic_redist *gicv3_get_redist(uint32_t cpu_index) +{ + return (volatile gic_redist *) + ((uintptr_t)BSP_ARM_GIC_REDIST_BASE + cpu_index * 0x20000); +} + +static inline volatile gic_sgi_ppi *gicv3_get_sgi_ppi(uint32_t cpu_index) +{ + return (volatile gic_sgi_ppi *) + ((uintptr_t)BSP_ARM_GIC_REDIST_BASE + cpu_index * 0x20000 + 0x10000); +} + +#ifdef __cplusplus +} +#endif + +#endif /* _RTEMS_DEV_IRQ_ARM_GICV3_H */ |