blob: 9fd33cac7d8c106c81bae97835ac338082cfa6f9 [file] [log] [blame]
/*
* Copyright (c) 2020, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef FVP_DEFS_DTSI
#define FVP_DEFS_DTSI
/* Set default topology values if not passed from platform's makefile */
#ifndef CLUSTER_COUNT
#ifdef FVP_CLUSTER_COUNT
#define CLUSTER_COUNT FVP_CLUSTER_COUNT
#else
#define CLUSTER_COUNT 2
#endif
#endif /* CLUSTER_COUNT */
#ifndef CPUS_PER_CLUSTER
#ifdef FVP_MAX_CPUS_PER_CLUSTER
#define CPUS_PER_CLUSTER FVP_MAX_CPUS_PER_CLUSTER
#else
#define CPUS_PER_CLUSTER 4
#endif
#endif /* CPUS_PER_CLUSTER */
/* Get platform's topology */
#define CPUS_COUNT (CLUSTER_COUNT * CPUS_PER_CLUSTER)
#define CONCAT(x, y) x##y
#define CONC(x, y) CONCAT(x, y)
/* CPU's cluster */
#define CLS(n) (n / CPUS_PER_CLUSTER)
/* CPU's position in cluster */
#define POS(n) (n % CPUS_PER_CLUSTER)
#define ADR(n, c, p) \
CPU##n:cpu@CONC(c, CONC(p, AFF)) {
#define PRE \
device_type = "cpu"; \
compatible = "arm,armv8";
#define POST \
enable-method = "psci"; \
cpu-idle-states = <&CPU_SLEEP_0 &CLUSTER_SLEEP_0>; \
next-level-cache = <&L2_0>; \
};
#define CPU_0 \
CPU0:cpu@0 { \
PRE \
reg = <0x0 0x0>;\
POST
/*
* n - CPU number
*/
#define CPU(n, c, p) \
ADR(n, c, p) \
PRE \
reg = <0x0 CONC(0x, CONC(c, CONC(p, AFF)))>; \
POST
/* 2 CPUs */
#if (CPUS_COUNT > 1)
#if (CLS(1) == 0)
#define c1
#define p1 1
#else
#define c1 10
#define p1 0
#endif
#define CPU_1 CPU(1, c1, p1) /* CPU1: 0.1; 1.0 */
/* 3 CPUs */
#if (CPUS_COUNT > 2)
#if (CLS(2) == 0)
#define c2
#define p2 2
#elif (CLS(2) == 1)
#define c2 10
#define p2 0
#else
#define c2 20
#define p2 0
#endif
#define CPU_2 CPU(2, c2, p2) /* CPU2: 0.2; 1.0; 2.0 */
/* 4 CPUs */
#if (CPUS_COUNT > 3)
#if (CLS(3) == 0)
#define c3
#elif (CLS(3) == 1)
#define c3 10
#else
#define c3 30
#endif
#if (POS(3) == 0)
#define p3 0
#elif (POS(3) == 1)
#define p3 1
#else
#define p3 3
#endif
#define CPU_3 CPU(3, c3, p3) /* CPU3: 0.3; 1.0; 1.1; 3.0 */
/* 6 CPUs */
#if (CPUS_COUNT > 4)
#if (CLS(4) == 1)
#define c4 10
#else
#define c4 20
#endif
#if (POS(4) == 0)
#define p4 0
#else
#define p4 1
#endif
#if (CLS(5) == 1)
#define c5 10
#else
#define c5 20
#endif
#if (POS(5) == 1)
#define p5 1
#else
#define p5 2
#endif
#define CPU_4 CPU(4, c4, p4) /* CPU4: 1.0; 1.1; 2.0 */
#define CPU_5 CPU(5, c5, p5) /* CPU5: 1.1; 1.2; 2.1 */
/* 8 CPUs */
#if (CPUS_COUNT > 6)
#if (CLS(6) == 1)
#define c6 10
#define p6 2
#elif (CLS(6) == 2)
#define c6 20
#define p6 0
#else
#define c6 30
#define p6 0
#endif
#if (CLS(7) == 1)
#define c7 10
#define p7 3
#elif (CLS(7) == 2)
#define c7 20
#define p7 1
#else
#define c7 30
#define p7 1
#endif
#define CPU_6 CPU(6, c6, p6) /* CPU6: 1.2; 2.0; 3.0 */
#define CPU_7 CPU(7, c7, p7) /* CPU7: 1.3; 2.1; 3.1 */
/* 9 CPUs */
#if (CPUS_COUNT > 8)
#if (POS(8) == 0)
#define p8 0
#else
#define p8 2
#endif
#define CPU_8 CPU(8, 20, p8) /* CPU8: 2.0; 2.2 */
/* 12 CPUs */
#if (CPUS_COUNT > 9)
#if (CLS(9) == 2)
#define c9 20
#define p9 1
#else
#define c9 30
#define p9 0
#endif
#if (CLS(10) == 2)
#define c10 20
#define p10 2
#else
#define c10 30
#define p10 1
#endif
#if (CLS(11) == 2)
#define c11 20
#define p11 3
#else
#define c11 30
#define p11 2
#endif
#define CPU_9 CPU(9, c9, p9) /* CPU9: 2.1; 3.0 */
#define CPU_10 CPU(10, c10, p10) /* CPU10: 2.2; 3.1 */
#define CPU_11 CPU(11, c11, p11) /* CPU11: 2.3; 3.2 */
/* 16 CPUs */
#if (CPUS_COUNT > 12)
#define CPU_12 CPU(12, 30, 0) /* CPU12: 3.0 */
#define CPU_13 CPU(13, 30, 1) /* CPU13: 3.1 */
#define CPU_14 CPU(14, 30, 2) /* CPU14: 3.2 */
#define CPU_15 CPU(15, 30, 3) /* CPU15: 3.3 */
#endif /* > 12 */
#endif /* > 9 */
#endif /* > 8 */
#endif /* > 6 */
#endif /* > 4 */
#endif /* > 3 */
#endif /* > 2 */
#endif /* > 1 */
#if (CPUS_COUNT == 1)
#define CPUS \
CPU_0
#elif (CPUS_COUNT == 2)
#define CPUS \
CPU_0 \
CPU_1
#elif (CPUS_COUNT == 3)
#define CPUS \
CPU_0 \
CPU_1 \
CPU_2
#elif (CPUS_COUNT == 4)
#define CPUS \
CPU_0 \
CPU_1 \
CPU_2 \
CPU_3
#elif (CPUS_COUNT == 6)
#define CPUS \
CPU_0 \
CPU_1 \
CPU_2 \
CPU_3 \
CPU_4 \
CPU_5
#elif (CPUS_COUNT == 8)
#define CPUS \
CPU_0 \
CPU_1 \
CPU_2 \
CPU_3 \
CPU_4 \
CPU_5 \
CPU_6 \
CPU_7
#elif (CPUS_COUNT == 9)
#define CPUS \
CPU_0 \
CPU_1 \
CPU_2 \
CPU_3 \
CPU_4 \
CPU_5 \
CPU_6 \
CPU_7 \
CPU_8
#elif (CPUS_COUNT == 12)
#define CPUS \
CPU_0 \
CPU_1 \
CPU_2 \
CPU_3 \
CPU_4 \
CPU_5 \
CPU_6 \
CPU_7 \
CPU_8 \
CPU_9 \
CPU_10 \
CPU_11
#else
#define CPUS \
CPU_0 \
CPU_1 \
CPU_2 \
CPU_3 \
CPU_4 \
CPU_5 \
CPU_6 \
CPU_7 \
CPU_8 \
CPU_9 \
CPU_10 \
CPU_11 \
CPU_12 \
CPU_13 \
CPU_14 \
CPU_15
#endif /* CPUS_COUNT */
#define CORE(n) \
core##n { \
cpu = <&CONC(CPU, __COUNTER__)>; \
};
/* Max 4 CPUs per cluster */
#if (CPUS_PER_CLUSTER == 1)
#define CLUSTER(n) \
cluster##n { \
CORE(0) \
};
#elif (CPUS_PER_CLUSTER == 2)
#define CLUSTER(n) \
cluster##n { \
CORE(0) \
CORE(1) \
};
#elif (CPUS_PER_CLUSTER == 3)
#define CLUSTER(n) \
cluster##n { \
CORE(0) \
CORE(1) \
CORE(2) \
};
#else
#define CLUSTER(n) \
cluster##n { \
CORE(0) \
CORE(1) \
CORE(2) \
CORE(3) \
};
#endif /* CPUS_PER_CLUSTER */
/* Max 4 clusters */
#if (CLUSTER_COUNT == 1)
#define CPU_MAP \
cpu-map { \
CLUSTER(0) \
};
#elif (CLUSTER_COUNT == 2)
#define CPU_MAP \
cpu-map { \
CLUSTER(0) \
CLUSTER(1) \
};
#elif (CLUSTER_COUNT == 3)
#define CPU_MAP \
cpu-map { \
CLUSTER(0) \
CLUSTER(1) \
CLUSTER(2) \
};
#else
#define CPU_MAP \
cpu-map { \
CLUSTER(0) \
CLUSTER(1) \
CLUSTER(2) \
CLUSTER(3) \
};
#endif /* CLUSTER_COUNT */
#endif /* FVP_DEFS_DTSI */