2023-02-22 09:05:12 +00:00
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (c) 2023 Collabora Ltd.
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*/
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2023-02-22 09:05:13 +00:00
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#include <fdtdec.h>
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#include <fdt_support.h>
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#ifdef CONFIG_OF_BOARD_SETUP
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int rock5b_add_reserved_memory_fdt_nodes(void *new_blob)
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{
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struct fdt_memory gap1 = {
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.start = 0x3fc000000,
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.end = 0x3fc4fffff,
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};
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struct fdt_memory gap2 = {
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.start = 0x3fff00000,
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.end = 0x3ffffffff,
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};
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unsigned long flags = FDTDEC_RESERVED_MEMORY_NO_MAP;
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unsigned int ret;
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/*
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* Inject the reserved-memory nodes into the DTS
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*/
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ret = fdtdec_add_reserved_memory(new_blob, "gap1", &gap1, NULL, 0,
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NULL, flags);
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if (ret)
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return ret;
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return fdtdec_add_reserved_memory(new_blob, "gap2", &gap2, NULL, 0,
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NULL, flags);
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}
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int ft_board_setup(void *blob, struct bd_info *bd)
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{
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return rock5b_add_reserved_memory_fdt_nodes(blob);
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}
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#endif
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