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https://github.com/brain-hackers/u-boot-brain
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3c10dc95bd
SPL and TPL can access information about binman entries using link-time symbols but this is not available in U-Boot proper. Of course it could be made available, but the intention is to just read the device tree. Add support for this, so that U-Boot can locate entries. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
49 lines
1.0 KiB
C
49 lines
1.0 KiB
C
// SPDX-License-Identifier: Intel
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/*
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* Access to binman information at runtime
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*
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* Copyright 2019 Google LLC
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* Written by Simon Glass <sjg@chromium.org>
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*/
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#include <common.h>
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#include <binman.h>
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#include <dm.h>
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struct binman_info {
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ofnode image;
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};
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static struct binman_info *binman;
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int binman_entry_find(const char *name, struct binman_entry *entry)
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{
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ofnode node;
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int ret;
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node = ofnode_find_subnode(binman->image, name);
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if (!ofnode_valid(node))
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return log_msg_ret("no binman node", -ENOENT);
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ret = ofnode_read_u32(node, "image-pos", &entry->image_pos);
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if (ret)
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return log_msg_ret("bad binman node1", ret);
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ret = ofnode_read_u32(node, "size", &entry->size);
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if (ret)
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return log_msg_ret("bad binman node2", ret);
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return 0;
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}
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int binman_init(void)
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{
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binman = malloc(sizeof(struct binman_info));
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if (!binman)
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return log_msg_ret("space for binman", -ENOMEM);
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binman->image = ofnode_path("/binman");
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if (!ofnode_valid(binman->image))
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return log_msg_ret("binman node", -EINVAL);
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return 0;
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}
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