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https://github.com/AsahiLinux/u-boot
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83d290c56f
When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
34 lines
694 B
C
34 lines
694 B
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2017 Socionext Inc.
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* Author: Masahiro Yamada <yamada.masahiro@socionext.com>
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*/
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#include <linux/io.h>
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#include <linux/types.h>
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#include "sg-regs.h"
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#include "soc-info.h"
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static unsigned int __uniphier_get_revision_field(unsigned int mask,
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unsigned int shift)
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{
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u32 revision = readl(SG_REVISION);
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return (revision >> shift) & mask;
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}
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unsigned int uniphier_get_soc_id(void)
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{
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return __uniphier_get_revision_field(0xff, 16);
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}
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unsigned int uniphier_get_soc_model(void)
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{
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return __uniphier_get_revision_field(0x7, 8);
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}
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unsigned int uniphier_get_soc_revision(void)
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{
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return __uniphier_get_revision_field(0x1f, 0);
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}
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