67 lines
2.5 KiB
C
67 lines
2.5 KiB
C
/*
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* Copyright (c) 2006-2022, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2022-08-25 GuEe-GUI first version
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*/
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#ifndef __OFW_RAW_H__
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#define __OFW_RAW_H__
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#include <libfdt/libfdt.h>
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#define FDT_SIZE_KB 1024
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#define FDT_SIZE_MB (1024 * FDT_SIZE_KB)
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#define FDT_SIZE_MAX (2 * FDT_SIZE_MB)
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#define FDT_PADDING_SIZE (1 * FDT_SIZE_KB)
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typedef uint8_t fdt8_t;
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static inline uint8_t fdt8_to_cpu(fdt8_t x)
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{
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return (uint8_t)x;
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}
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int fdt_add_subnode_possible(void *fdt, int parentoffset, const char *name);
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int fdt_add_mem_rsv_possible(void *fdt, size_t addr, size_t size);
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#define fdt_setprop_cstring(fdt, nodeoffset, name, str) \
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fdt_setprop((fdt), (nodeoffset), (name), (str), sizeof(str))
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#define fdt_prop_cells_ops(ops, fdt, nodeoffset, prop, ...) \
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({ \
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int ret = 0; \
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uint32_t tmp[] = { __VA_ARGS__ }; \
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for (int i = 0; i < sizeof(tmp) / sizeof(tmp[0]); ++i) \
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{ \
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tmp[i] = cpu_to_fdt32(tmp[i]); \
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} \
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ret += ops(fdt, nodeoffset, prop, tmp, sizeof(tmp)); \
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ret; \
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})
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#define fdt_setprop_cells(fdt, nodeoffset, prop, ...) \
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fdt_prop_cells_ops(fdt_setprop, fdt, nodeoffset, prop, __VA_ARGS__)
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#define fdt_appendprop_cells(fdt, nodeoffset, prop, ...) \
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fdt_prop_cells_ops(fdt_appendprop, fdt, nodeoffset, prop, __VA_ARGS__)
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int fdt_setprop_uxx(void *fdt, int nodeoffset, const char *name, uint64_t val, bool is_u64);
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int fdt_getprop_u8(void *fdt, int nodeoffset, const char *name, uint8_t *out_value, int *lenp);
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int fdt_getprop_s8(void *fdt, int nodeoffset, const char *name, int8_t *out_value, int *lenp);
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int fdt_getprop_u16(void *fdt, int nodeoffset, const char *name, uint16_t *out_value, int *lenp);
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int fdt_getprop_s16(void *fdt, int nodeoffset, const char *name, int16_t *out_value, int *lenp);
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int fdt_getprop_u32(void *fdt, int nodeoffset, const char *name, uint32_t *out_value, int *lenp);
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int fdt_getprop_s32(void *fdt, int nodeoffset, const char *name, int32_t *out_value, int *lenp);
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int fdt_io_addr_cells(void *fdt, int nodeoffset);
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int fdt_io_size_cells(void *fdt, int nodeoffset);
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int fdt_install_initrd(void *fdt, char *os_name, size_t initrd_addr, size_t initrd_size);
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#endif /* __OFW_RAW_H__ */
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