upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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69 lines
1.4 KiB
69 lines
1.4 KiB
/*
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* Copyright 2011 Calxeda, Inc.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <linux/ctype.h>
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#include "common.h"
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/*
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* This is what a UUID string looks like.
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*
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* x is a hexadecimal character. fields are separated by '-'s. When converting
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* to a binary UUID, le means the field should be converted to little endian,
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* and be means it should be converted to big endian.
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*
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* 0 9 14 19 24
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* xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
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* le le le be be
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*/
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int uuid_str_valid(const char *uuid)
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{
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int i, valid;
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if (uuid == NULL)
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return 0;
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for (i = 0, valid = 1; uuid[i] && valid; i++) {
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switch (i) {
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case 8: case 13: case 18: case 23:
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valid = (uuid[i] == '-');
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break;
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default:
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valid = isxdigit(uuid[i]);
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break;
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}
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}
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if (i != 36 || !valid)
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return 0;
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return 1;
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}
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void uuid_str_to_bin(const char *uuid, unsigned char *out)
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{
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uint16_t tmp16;
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uint32_t tmp32;
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uint64_t tmp64;
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if (!uuid || !out)
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return;
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tmp32 = cpu_to_le32(simple_strtoul(uuid, NULL, 16));
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memcpy(out, &tmp32, 4);
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tmp16 = cpu_to_le16(simple_strtoul(uuid + 9, NULL, 16));
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memcpy(out + 4, &tmp16, 2);
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tmp16 = cpu_to_le16(simple_strtoul(uuid + 14, NULL, 16));
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memcpy(out + 6, &tmp16, 2);
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tmp16 = cpu_to_be16(simple_strtoul(uuid + 19, NULL, 16));
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memcpy(out + 8, &tmp16, 2);
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tmp64 = cpu_to_be64(simple_strtoull(uuid + 24, NULL, 16));
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memcpy(out + 10, (char *)&tmp64 + 2, 6);
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}
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