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Diffstat (limited to 'fdts/fvp-defs.dtsi')
| -rw-r--r-- | fdts/fvp-defs.dtsi | 382 |
1 files changed, 382 insertions, 0 deletions
diff --git a/fdts/fvp-defs.dtsi b/fdts/fvp-defs.dtsi new file mode 100644 index 0000000..9fd33ca --- /dev/null +++ b/fdts/fvp-defs.dtsi @@ -0,0 +1,382 @@ +/* + * 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 */ |