From 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 11:13:47 +0200 Subject: Adding upstream version 2.8.0+dfsg. Signed-off-by: Daniel Baumann --- plat/brcm/board/stingray/src/topology.c | 52 +++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 plat/brcm/board/stingray/src/topology.c (limited to 'plat/brcm/board/stingray/src/topology.c') diff --git a/plat/brcm/board/stingray/src/topology.c b/plat/brcm/board/stingray/src/topology.c new file mode 100644 index 0000000..24718e5 --- /dev/null +++ b/plat/brcm/board/stingray/src/topology.c @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2019-2020, Broadcom + * + * SPDX-License-Identifier: BSD-3-Clause + */ +#include + +#include +#include + +/* + * On Stingray, the system power level is the highest power level. + * The first entry in the power domain descriptor specifies the + * number of system power domains i.e. 1. + */ +#define SR_PWR_DOMAINS_AT_MAX_PWR_LVL 1 + +/* + * The Stingray power domain tree descriptor. The cluster power domains + * are arranged so that when the PSCI generic code creates the power + * domain tree, the indices of the CPU power domain nodes it allocates + * match the linear indices returned by plat_core_pos_by_mpidr() + * i.e. CLUSTER0 CPUs are allocated indices from 0 to 1 and the higher + * indices for other Cluster CPUs. + */ +const unsigned char sr_power_domain_tree_desc[] = { + /* No of root nodes */ + SR_PWR_DOMAINS_AT_MAX_PWR_LVL, + /* No of children for the root node */ + BRCM_CLUSTER_COUNT, + /* No of children for the first cluster node */ + PLATFORM_CLUSTER0_CORE_COUNT, + /* No of children for the second cluster node */ + PLATFORM_CLUSTER1_CORE_COUNT, + /* No of children for the third cluster node */ + PLATFORM_CLUSTER2_CORE_COUNT, + /* No of children for the fourth cluster node */ + PLATFORM_CLUSTER3_CORE_COUNT, +}; + +/******************************************************************************* + * This function returns the Stingray topology tree information. + ******************************************************************************/ +const unsigned char *plat_get_power_domain_tree_desc(void) +{ + return sr_power_domain_tree_desc; +} + +int plat_core_pos_by_mpidr(u_register_t mpidr) +{ + return plat_brcm_calc_core_pos(mpidr); +} -- cgit v1.2.3