mirror of
https://github.com/RT-Thread/rt-thread.git
synced 2026-09-22 19:44:24 +08:00
@@ -8,6 +8,7 @@
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#include "libfdt_env.h"
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#include <rtthread.h>
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#include <stdint.h>
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//#define RT_DTB_DEBUG
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#ifdef RT_DTB_DEBUG
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@@ -326,7 +327,7 @@ struct dtb_node *dtb_node_first_subnode(const struct dtb_node *node);
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struct dtb_node *dtb_node_next_subnode(const struct dtb_node *node);
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struct dtb_node *dtb_node_get_parent(const struct dtb_node *node);
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const char *dtb_node_get_name(const struct dtb_node *node);
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struct dtb_node *dtb_node_get_by_phandle(uint phandle);
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struct dtb_node *dtb_node_get_by_phandle(uint32_t phandle);
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int dtb_node_read_size(const struct dtb_node *node, const char *propname);
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size_t dtb_node_get_addr_index(const struct dtb_node *node, int index);
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size_t dtb_node_get_addr(const struct dtb_node *node);
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@@ -1,3 +1,13 @@
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/*
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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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* 2022-12-20 RT-Thread the first version
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*/
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#ifndef _FDT_H
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#define _FDT_H
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/*
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@@ -54,58 +64,62 @@
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#ifndef __ASSEMBLY__
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#include <errno.h>
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#include <unistd.h>
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#include <fcntl.h>
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struct fdt_header {
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fdt32_t magic; /* magic word FDT_MAGIC */
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fdt32_t totalsize; /* total size of DT block */
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fdt32_t off_dt_struct; /* offset to structure */
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fdt32_t off_dt_strings; /* offset to strings */
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fdt32_t off_mem_rsvmap; /* offset to memory reserve map */
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fdt32_t version; /* format version */
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fdt32_t last_comp_version; /* last compatible version */
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fdt32_t magic; /* magic word FDT_MAGIC */
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fdt32_t totalsize; /* total size of DT block */
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fdt32_t off_dt_struct; /* offset to structure */
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fdt32_t off_dt_strings; /* offset to strings */
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fdt32_t off_mem_rsvmap; /* offset to memory reserve map */
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fdt32_t version; /* format version */
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fdt32_t last_comp_version; /* last compatible version */
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/* version 2 fields below */
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fdt32_t boot_cpuid_phys; /* Which physical CPU id we're
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booting on */
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/* version 3 fields below */
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fdt32_t size_dt_strings; /* size of the strings block */
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/* version 2 fields below */
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fdt32_t boot_cpuid_phys; /* Which physical CPU id we're
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booting on */
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/* version 3 fields below */
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fdt32_t size_dt_strings; /* size of the strings block */
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/* version 17 fields below */
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fdt32_t size_dt_struct; /* size of the structure block */
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/* version 17 fields below */
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fdt32_t size_dt_struct; /* size of the structure block */
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};
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struct fdt_reserve_entry {
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fdt64_t address;
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fdt64_t size;
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fdt64_t address;
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fdt64_t size;
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};
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struct fdt_node_header {
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fdt32_t tag;
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char name[0];
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fdt32_t tag;
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char name[0];
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};
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struct fdt_property {
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fdt32_t tag;
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fdt32_t len;
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fdt32_t nameoff;
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char data[0];
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fdt32_t tag;
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fdt32_t len;
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fdt32_t nameoff;
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char data[0];
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};
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#endif /* !__ASSEMBLY */
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#define FDT_MAGIC 0xd00dfeed /* 4: version, 4: total size */
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#define FDT_TAGSIZE sizeof(fdt32_t)
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#define FDT_MAGIC 0xd00dfeed /* 4: version, 4: total size */
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#define FDT_TAGSIZE sizeof(fdt32_t)
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#define FDT_BEGIN_NODE 0x1 /* Start node: full name */
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#define FDT_END_NODE 0x2 /* End node */
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#define FDT_PROP 0x3 /* Property: name off,
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size, content */
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#define FDT_NOP 0x4 /* nop */
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#define FDT_END 0x9
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#define FDT_BEGIN_NODE 0x1 /* Start node: full name */
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#define FDT_END_NODE 0x2 /* End node */
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#define FDT_PROP 0x3 /* Property: name off,
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size, content */
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#define FDT_NOP 0x4 /* nop */
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#define FDT_END 0x9
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#define FDT_V1_SIZE (7*sizeof(fdt32_t))
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#define FDT_V2_SIZE (FDT_V1_SIZE + sizeof(fdt32_t))
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#define FDT_V3_SIZE (FDT_V2_SIZE + sizeof(fdt32_t))
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#define FDT_V16_SIZE FDT_V3_SIZE
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#define FDT_V17_SIZE (FDT_V16_SIZE + sizeof(fdt32_t))
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#define FDT_V1_SIZE (7*sizeof(fdt32_t))
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#define FDT_V2_SIZE (FDT_V1_SIZE + sizeof(fdt32_t))
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#define FDT_V3_SIZE (FDT_V2_SIZE + sizeof(fdt32_t))
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#define FDT_V16_SIZE FDT_V3_SIZE
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#define FDT_V17_SIZE (FDT_V16_SIZE + sizeof(fdt32_t))
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#endif /* _FDT_H */
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@@ -308,7 +308,7 @@ static int ptmx_register(void)
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level = rt_hw_interrupt_disable();
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RT_ASSERT(ptm_drv->init_flag == TTY_INIT_FLAG_NONE);
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device = &(ptm_drv->parent);
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device->type = RT_Device_Class_Char;
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@@ -348,7 +348,6 @@ static int ptmx_register(void)
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}
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tty_initstack(ptm_drv->head);
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rt_spin_lock_init(&ptm_drv->spinlock);
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ptm_drv->pgrp = -1;
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ptm_drv->session = -1;
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ptm_drv->foreground = RT_NULL;
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