| 1 | |
| 2 | |
| 3 | * Copyright (C) 2020 Western Digital Corporation or its affiliates.
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| 4 |
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| 5 | #include <linux/init.h>
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| 6 | #include <linux/libfdt.h>
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| 7 | #include <linux/pgtable.h>
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| 8 | #include <asm/soc.h>
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| 9 |
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| 10 | |
| 11 | * This is called extremely early, before parse_dtb(), to allow initializing
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| 12 | * SoC hardware before memory or any device driver initialization.
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| 13 |
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| 14 | void __init soc_early_init(void)
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| 15 | {
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| 16 | void (*early_fn)(const void *fdt);
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| 17 | const struct of_device_id *s;
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| 18 | const void *fdt = dtb_early_va;
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| 19 |
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| 20 | for (s = (void *)&__soc_early_init_table_start;
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| 21 | (void *)s < (void *)&__soc_early_init_table_end; s++) {
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| 22 | if (!fdt_node_check_compatible(fdt, 0, s->compatible)) {
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| 23 | early_fn = s->data;
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| 24 | early_fn(fdt);
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| 25 | return;
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| 26 | }
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| 27 | }
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| 28 | }
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