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9c68b0427c
mach-k3/am625_fdt.c does fdt fixup depending on fields in the device identification register. Move the accessors to the device identification register as inline functions into the am62_hardware.h header, so that they can be used for other functionality. Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright 2023 Toradex - https://www.toradex.com/
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*/
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#include <asm/hardware.h>
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#include "common_fdt.h"
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#include <fdt_support.h>
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static void fdt_fixup_cores_nodes_am625(void *blob, int core_nr)
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{
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char node_path[32];
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if (core_nr < 1)
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return;
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for (; core_nr < 4; core_nr++) {
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snprintf(node_path, sizeof(node_path), "/cpus/cpu@%d", core_nr);
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fdt_del_node_path(blob, node_path);
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snprintf(node_path, sizeof(node_path), "/cpus/cpu-map/cluster0/core%d", core_nr);
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fdt_del_node_path(blob, node_path);
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snprintf(node_path, sizeof(node_path), "/bus@f0000/watchdog@e0%d0000", core_nr);
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fdt_del_node_path(blob, node_path);
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}
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}
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static void fdt_fixup_gpu_nodes_am625(void *blob, int has_gpu)
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{
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if (!has_gpu) {
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fdt_del_node_path(blob, "/bus@f0000/gpu@fd00000");
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fdt_del_node_path(blob, "/bus@f0000/watchdog@e0f0000");
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}
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}
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static void fdt_fixup_pru_node_am625(void *blob, int has_pru)
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{
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if (!has_pru)
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fdt_del_node_path(blob, "/bus@f0000/pruss@30040000");
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}
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int ft_system_setup(void *blob, struct bd_info *bd)
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{
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fdt_fixup_cores_nodes_am625(blob, k3_get_core_nr());
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fdt_fixup_gpu_nodes_am625(blob, k3_has_gpu());
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fdt_fixup_pru_node_am625(blob, k3_has_pru());
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return 0;
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}
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