2025-09-30 11:56:06 +08:00
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Read time: 7 minute(s)
< / div > < div class = "- topic/body concept/conbody body conbody" > < p class = "- topic/p p" data-ofbid = "d131699e17__20250121171606" > 存储配置是编译的固件是否可刷机的关键步骤，但存储的更换要修改的地方较多，建议按照现有工程仿写需要 Bringup 的开发板。< / p > < section class = "- topic/section section" id = "bringup_memoryConfiguration__section_e13_k2x_gdc" data-ofbid = "bringup_memoryConfiguration__section_e13_k2x_gdc" > < h2 class = "- topic/title title sectiontitle" > SPI NAND 存储配置< / h2 >
< div class = "- topic/p p" data-ofbid = "d131699e24__20250121171606" > SPI NAND 存储配置步骤如下：< ol class = "- topic/ol ol" id = "bringup_memoryConfiguration__ol_mcl_q5b_d1c" data-ofbid = "bringup_memoryConfiguration__ol_mcl_q5b_d1c" > < li class = "- topic/li li" data-ofbid = "d131699e27__20250121171606" > 配置 U-Boot 以支持特定的 SPI NAND 型号，确认开发板的型号被选中支持。< div class = "- topic/note note note note_note" id = "bringup_memoryConfiguration__note_rtq_4sx_sdc" data-ofbid = "bringup_memoryConfiguration__note_rtq_4sx_sdc" > < span class = "note__title" > 注：< / span >
< p class = "- topic/p p" data-ofbid = "d131699e31__20250121171606" > kernel 分区比较大，默认打开了 SDK 支持的所有型号，不用选择。< / p >
< / div > < ol class = "- topic/ol ol" type = "a" id = "bringup_memoryConfiguration__ul_dcp_x5b_d1c" data-ofbid = "bringup_memoryConfiguration__ul_dcp_x5b_d1c" > < li class = "- topic/li li" data-ofbid = "d131699e35__20250121171606" >
< p class = "- topic/p p" id = "bringup_memoryConfiguration__p_ejw_gzx_sdc" data-ofbid = "bringup_memoryConfiguration__p_ejw_gzx_sdc" > 查看 < span class = "+ topic/ph sw-d/filepath ph filepath" > drivers/mtd/nand/spi/< / span >
源码目录，确认 SPI NAND 器件的厂商是否在支持列表中。< / p >
< p class = "- topic/p p" data-ofbid = "d131699e43__20250121171606" > 例如，查看源码目录中是否存在 < span class = "+ topic/ph sw-d/filepath ph filepath" > winbond.c< / span >
。如果不存在，则需要添加新厂商支持，详情可查看 < a xml:lang = "zh-CN" lang = "zh-CN" class = "- topic/xref xref" href = "../spinand/spi-nand-transplant-guide.html" > SPI NAND 移植< / a > 。< / p >
< p class = "- topic/p p" data-ofbid = "d131699e53__20250121171606" > SDK 默认支持了几种 SPI NAND， < a xml:lang = "zh-CN" lang = "zh-CN" class = "- topic/xref xref" href = "../boot/spi-nand-drivers.html" > SPI NAND< / a > 。< / p >
< / li > < li class = "- topic/li li" data-ofbid = "d131699e60__20250121171606" >
< div class = "- topic/p p" data-ofbid = "d131699e62__20250121171606" > 执行下列命令进入 U-Boot
配置界面：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "bringup_memoryConfiguration__codeblock_lz1_ysx_sdc" data-ofbid = "bringup_memoryConfiguration__codeblock_lz1_ysx_sdc" > make um< / pre > < / div >
< / li > < li class = "- topic/li li" data-ofbid = "d131699e67__20250121171606" >
< div class = "- topic/p p" data-ofbid = "d131699e69__20250121171606" > 选择 < span class = "+ topic/ph ui-d/menucascade ph menucascade" > < span class = "+ topic/ph ui-d/uicontrol ph uicontrol" > Device Drivers< / span > < abbr > > < / abbr > < span class = "+ topic/ph ui-d/uicontrol ph uicontrol" > MTD Support< / span > < / span > ，配置下列信息：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "bringup_memoryConfiguration__codeblock_tqy_z5b_d1c" data-ofbid = "bringup_memoryConfiguration__codeblock_tqy_z5b_d1c" > (< span class = "hl-number" > 0x240000< / span > ) Offset of bbt in nand
(< span class = "hl-number" > 0x40000< / span > ) Range of bbt in nand
[*] Define U-boot binaries locations in SPI NAND
(< span class = "hl-number" > 0x100000< / span > ) Location in SPI NAND to read U-Boot from
[ ] Support Micron SPI NAND
[ ] Support Macronix SPI NAND
[*] Support Winbond SPI NAND
[ ] Support Winbond SPI NAND CONTINUOUS READ MODE
[*] Support GigaDevice SPI NAND
[ ] Support Toshiba SPI NAND
[*] Support FudanMicro SPI NAND
[*] Support Foresee SPI NAND
[*] Support Zbit SPI NAND
[ ] Support Elite SPI NAND
[ ] Support ESMT SPI NAND
[ ] Support UMTEK SPI NAND
SPI Flash Support --->
UBI support ---> < / pre > < / div >
< p class = "- topic/p p" data-ofbid = "d131699e80__20250121171606" > U-Boot 和 SPL 分区一般都比较小，如果开启的 SPI NAND
型号过多，存储容易越界，建议仅打开需要使用的型号。< / p >
< / li > < / ol > < / li > < li class = "- topic/li li" data-ofbid = "d131699e83__20250121171606" > 配置文件系统。< div class = "- topic/p p" data-ofbid = "d131699e85__20250121171606" >
< div class = "- topic/div div" >
< p class = "- topic/p p" data-ofbid = "d131699e89__20250121171606" > SPI NAND 采用 UBIFS 文件系统。 如果开发板使用的存储介质为 SPINAND， < span class = "+ topic/ph sw-d/filepath ph filepath" > demo128_nand< / span >
工程为例，则编译后会生成固件的名称
< span class = "+ topic/ph sw-d/filepath ph filepath" > d211_demo128_nand_page_2k_block_128k_v1.0.0< / span > 。< / p >
< div class = "- topic/p p" data-ofbid = "d131699e100__20250121171606" > 如果 SPI NAND 的 < span class = "+ topic/keyword pr-d/parmname keyword parmname" > page< / span > 尺寸为 4K 大小，可在
< span class = "+ topic/ph sw-d/filepath ph filepath" > target/d211/xxx/image_cfg.json< / span > 文件中配置
< span class = "+ topic/keyword pr-d/parmname keyword parmname" > page< / span > 尺寸，编译后的文件为
< span class = "+ topic/ph sw-d/filepath ph filepath" > d211_xxx_page_4k_block_256k_v1.0.0.img< / span > ： < pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "bringup_memoryConfiguration__codeblock_spinand_page_size" data-ofbid = "bringup_memoryConfiguration__codeblock_spinand_page_size" > < span class = "hl-string" > "info"< / span > : { < em class = "hl-comment" > // Header information about image< / em >
< span class = "hl-string" > "platform"< / span > : < span class = "hl-string" > "d211"< / span > ,
< span class = "hl-string" > "product"< / span > : < span class = "hl-string" > "demo128_nand"< / span > ,
< span class = "hl-string" > "version"< / span > : < span class = "hl-string" > "1.0.0"< / span > ,
< span class = "hl-string" > "media"< / span > : {
< span class = "hl-string" > "type"< / span > : < span class = "hl-string" > "spi-nand"< / span > ,
< span class = "hl-string" > "device_id"< / span > : < span class = "hl-number" > 0< / span > ,
< span class = "hl-string" > "array_organization"< / span > : [
{ < span class = "hl-string" > "page"< / span > : < span class = "hl-string" > "2k"< / span > , < span class = "hl-string" > "block"< / span > : < span class = "hl-string" > "128k"< / span > , < span class = "hl-string" > "oob"< / span > : < span class = "hl-string" > "64"< / span > },
< em class = "hl-comment" > // { "page": "4k", "block": "256k", "oob": "128" },< / em >
],
}
},< / pre > < / div >
< / div >
< / div > < / li > < li class = "- topic/li li" data-ofbid = "d131699e119__20250121171606" >
< div class = "- topic/div div" >
< p class = "- topic/p p" data-ofbid = "d131699e123__20250121171606" > 配置分区< / p >
< div class = "- topic/p p" id = "bringup_memoryConfiguration__p_nq5_3dy_sdc" data-ofbid = "bringup_memoryConfiguration__p_nq5_3dy_sdc" > 在 < span class = "+ topic/ph sw-d/filepath ph filepath" > target/d211/demo128_nand/image_cfg.json< / span >
文件中配置分区信息：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "bringup_memoryConfiguration__codeblock_zd4_fvb_d1c" data-ofbid = "bringup_memoryConfiguration__codeblock_zd4_fvb_d1c" > < span class = "hl-string" > "spi-nand"< / span > : { < em class = "hl-comment" > // Device, The name should be the same with string in image:info:media:type< / em >
< span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "128m"< / span > , < em class = "hl-comment" > // Size of SPI NAND< / em >
< span class = "hl-string" > "partitions"< / span > : {
< span class = "hl-string" > "spl"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "1m"< / span > },
< span class = "hl-string" > "uboot"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "1m"< / span > },
< span class = "hl-string" > "userid"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "256k"< / span > },
< span class = "hl-string" > "bbt"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "256k"< / span > },
< span class = "hl-string" > "env"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "256k"< / span > },
< span class = "hl-string" > "env_r"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "256k"< / span > },
< span class = "hl-string" > "falcon"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "256k"< / span > },
< span class = "hl-string" > "logo"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "768K"< / span > },
< span class = "hl-string" > "kernel"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "12m"< / span > },
< span class = "hl-string" > "recovery"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "10m"< / span > },
< span class = "hl-string" > "ubiroot"< / span > : {
< span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "32m"< / span > , < em class = "hl-comment" > //分区大小为 32m< / em >
< span class = "hl-string" > "ubi"< / span > : { < em class = "hl-comment" > // Volume in UBI device< / em >
< span class = "hl-string" > "rootfs"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "-"< / span > },
},
},
< span class = "hl-string" > "ubisystem"< / span > : {
< span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "-"< / span > ,
< span class = "hl-string" > "ubi"< / span > : { < em class = "hl-comment" > // Volume in UBI device< / em >
< span class = "hl-string" > "ota"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "48m"< / span > },
< span class = "hl-string" > "user"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "-"< / span > },
},
},
}
},< / pre > < / div >
< / div >
< / li > < li class = "- topic/li li" data-ofbid = "d131699e135__20250121171606" > 调整固件大小。< div class = "- topic/p p" data-ofbid = "d131699e137__20250121171606" > 固件的大小要和分区大小相匹配，可以自动适配也可以手工调整：< ul class = "- topic/ul ul" id = "bringup_memoryConfiguration__ul_dh1_12x_gdc" data-ofbid = "bringup_memoryConfiguration__ul_dh1_12x_gdc" > < li class = "- topic/li li" data-ofbid = "d131699e140__20250121171606" > 自动适配。< ol class = "- topic/ol ol" type = "a" id = "bringup_memoryConfiguration__ol_e1w_3dt_sdc" data-ofbid = "bringup_memoryConfiguration__ol_e1w_3dt_sdc" > < li class = "- topic/li li" data-ofbid = "d131699e143__20250121171606" >
< div class = "- topic/p p" data-ofbid = "d131699e145__20250121171606" > 在 SDK 根目录下执行下列命令，进入 menuconfig
的功能配置界面：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "bringup_memoryConfiguration__codeblock_lbx_z5s_sdc" data-ofbid = "bringup_memoryConfiguration__codeblock_lbx_z5s_sdc" > make menuconfig< / pre > < / div >
< / li > < li class = "- topic/li li" data-ofbid = "d131699e150__20250121171606" >
< div class = "- topic/p p" data-ofbid = "d131699e152__20250121171606" > 在 < span class = "+ topic/ph ui-d/uicontrol ph uicontrol" > Filesystem images< / span >
配置界面，按如下选择：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "bringup_memoryConfiguration__codeblock_idf_22x_gdc" data-ofbid = "bringup_memoryConfiguration__codeblock_idf_22x_gdc" > RootFS images --->
[ ] UserFS < span class = "hl-number" > 1< / span > ----
[ ] UserFS < span class = "hl-number" > 2< / span > ----
[ ] UserFS < span class = "hl-number" > 3< / span > ----
[ ] Generate burner format image
[*] Auto calculate partition size to generate image < em class = "hl-comment" > //通过分区大小自动生成固件< / em > < / pre > < / div >
< / li > < / ol > < / li > < li class = "- topic/li li" data-ofbid = "d131699e160__20250121171606" > 手工调整。< ol class = "- topic/ol ol" type = "a" id = "bringup_memoryConfiguration__ol_fhx_ldt_sdc" data-ofbid = "bringup_memoryConfiguration__ol_fhx_ldt_sdc" > < li class = "- topic/li li" data-ofbid = "d131699e163__20250121171606" >
< div class = "- topic/p p" data-ofbid = "d131699e165__20250121171606" > 在 SDK 根目录下执行下列命令，进入 menuconfig
的功能配置界面：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "bringup_memoryConfiguration__d790e56" data-ofbid = "bringup_memoryConfiguration__d790e56" > make menuconfig< / pre > < / div >
< / li > < li class = "- topic/li li" data-ofbid = "d131699e170__20250121171606" > 在 < span class = "+ topic/ph ui-d/menucascade ph menucascade" > < span class = "+ topic/ph ui-d/uicontrol ph uicontrol" > Filesystem images< / span > < abbr > > < / abbr > < span class = "+ topic/ph ui-d/uicontrol ph uicontrol" > RootFS images< / span > < / span >
界面，配置下列信息：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "bringup_memoryConfiguration__codeblock_tf3_h2x_gdc" data-ofbid = "bringup_memoryConfiguration__codeblock_tf3_h2x_gdc" > [ ] ext2/< span class = "hl-number" > 3< / span > /< span class = "hl-number" > 4< / span > root filesystem
[ ] cpio the root filesystem (< strong class = "hl-keyword" > for< / strong > use as an initial RAM filesystem)
[ ] initial RAM filesystem linked into linux kernel
[ ] jffs2 root filesystem
[ ] squashfs root filesystem
[ ] tar the root filesystem
ubi parameter select (spi-nand all type support) --->
[*] ubi image containing an ubifs root filesystem
[ ] Use custom config file
() Additional ubinize options
-*- ubifs root filesystem
(< span class = "hl-number" > 0x2000000< / span > ) ubifs size(Should be aligned to MB) < em class = "hl-comment" > //固件大小， < / em >
ubifs runtime compression (lzo) --->
Compression method (no compression) --->
(-F) Additional mkfs.ubifs options< / pre > < / li > < / ol > < / li > < / ul > < / div > < / li > < / ol > < / div >
< / section > < section class = "- topic/section section" id = "bringup_memoryConfiguration__section_bl5_l2x_gdc" data-ofbid = "bringup_memoryConfiguration__section_bl5_l2x_gdc" > < h2 class = "- topic/title title sectiontitle" > SPI NOR 存储配置< / h2 >
< div class = "- topic/div div" >
< p class = "- topic/p p" data-ofbid = "d131699e188__20250121171606" > SPI NOR 采用 squashfs 文件系统。如果开发板使用的存储介质为 SPI NOR， < span class = "+ topic/ph sw-d/filepath ph filepath" > demo88_nor< / span >
工程为例，则编译后会生成固件的名称为 < span class = "+ topic/ph sw-d/filepath ph filepath" > d211_demo88_nor_v1.0.0.img< / span > 。< / p >
< div class = "- topic/p p" data-ofbid = "d131699e197__20250121171606" > 系统输出示例如下：< pre class = "+ topic/pre sw-d/msgblock pre msgblock" id = "bringup_memoryConfiguration__msgblock_mlx_jbl_jdc" data-ofbid = "bringup_memoryConfiguration__msgblock_mlx_jbl_jdc" > Image file is generated: /xxx/d211/develop/output/d211_demo88_nor/images/d211_demo88_nor_v1.0.0.img< / pre > < / div >
< div class = "- topic/p p" data-ofbid = "d131699e202__20250121171606" > SPINOR 的分区信息在 < span class = "+ topic/ph sw-d/filepath ph filepath" > target/d211/per2_spinor/image_cfg.json< / span >
中：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "bringup_memoryConfiguration__codeblock_zqz_lvb_d1c" data-ofbid = "bringup_memoryConfiguration__codeblock_zqz_lvb_d1c" > < span class = "hl-string" > "spi-nor"< / span > : { < em class = "hl-comment" > // Media type< / em >
< span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "16m"< / span > , < em class = "hl-comment" > // Size of NOR< / em >
< span class = "hl-string" > "partitions"< / span > : {
< span class = "hl-string" > "spl"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "256k"< / span > },
< span class = "hl-string" > "uboot"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "640k"< / span > },
< span class = "hl-string" > "userid"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "64k"< / span > },
< span class = "hl-string" > "env"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "64k"< / span > },
< span class = "hl-string" > "env_r"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "64k"< / span > },
< span class = "hl-string" > "falcon"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "64k"< / span > },
< span class = "hl-string" > "logo"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "512k"< / span > },
< span class = "hl-string" > "kernel"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "5m"< / span > },
< span class = "hl-string" > "rootfs"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "9m"< / span > },
< em class = "hl-comment" > // "user": { "size": "-" },< / em >
}
}< / pre > < / div >
< / div >
< p class = "- topic/p p" data-ofbid = "d131699e211__20250121171606" > SPI NOR 存储一般比较小，在 Linux 系统上进行分区调整比较麻烦，本节不详细描述。< / p >
< / section > < section class = "- topic/section section" id = "bringup_memoryConfiguration__section_ylq_52x_gdc" data-ofbid = "bringup_memoryConfiguration__section_ylq_52x_gdc" > < h2 class = "- topic/title title sectiontitle" > EMMC 存储配置< / h2 >
< div class = "- topic/div div" >
< p class = "- topic/p p" data-ofbid = "d131699e221__20250121171606" > EMMC 采用 squashfs 文件系统。如果开发板使用的存储介质为 eMMC (eNand)，以 demo 工程为例，则编译后的固件名称为
< span class = "+ topic/ph sw-d/filepath ph filepath" > d211_demo_v1.0.0.img< / span > 。< / p >
< div class = "- topic/p p" data-ofbid = "d131699e227__20250121171606" > 系统输出示例如下：< pre class = "+ topic/pre sw-d/msgblock pre msgblock" id = "bringup_memoryConfiguration__msgblock_lc1_lbl_jdc" data-ofbid = "bringup_memoryConfiguration__msgblock_lc1_lbl_jdc" > Image file is generated: /xxx/d211/luban/output/d211_demo/images/d211_demo_v1.0.0.img< / pre > < / div >
< / div >
< div class = "- topic/p p" data-ofbid = "d131699e233__20250121171606" > EMMC 的接口协议固定，因此不需要进行新器件型号的移植。< div class = "- topic/note note note note_note" id = "bringup_memoryConfiguration__note_axw_w2x_gdc" data-ofbid = "bringup_memoryConfiguration__note_axw_w2x_gdc" > < span class = "note__title" > 注：< / span > 调整分区大小时，也需要同时调整固件的大小来和分区匹配。< / div > < / div >
< div class = "- topic/p p" data-ofbid = "d131699e238__20250121171606" > EMMC 存储配置步骤如下：< ol class = "- topic/ol ol" id = "bringup_memoryConfiguration__ol_imq_mvb_d1c" data-ofbid = "bringup_memoryConfiguration__ol_imq_mvb_d1c" > < li class = "- topic/li li" data-ofbid = "d131699e241__20250121171606" > < strong class = "+ topic/ph hi-d/b ph b" > 分区< / strong > < div class = "- topic/p p" data-ofbid = "d131699e244__20250121171606" > 分区信息在 < span class = "+ topic/ph sw-d/filepath ph filepath" > target/d211/demo/image_cfg.json< / span >
中< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "bringup_memoryConfiguration__codeblock_ymv_4vb_d1c" data-ofbid = "bringup_memoryConfiguration__codeblock_ymv_4vb_d1c" > < span class = "hl-string" > "mmc"< / span > : { < em class = "hl-comment" > // Media type< / em >
< span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "4G"< / span > , < em class = "hl-comment" > // Size of SD/eMMC< / em >
< span class = "hl-string" > "partitions"< / span > : { < em class = "hl-comment" > // Partition table apply to device< / em >
< span class = "hl-string" > "spl"< / span > : { < span class = "hl-string" > "offset"< / span > : < span class = "hl-string" > "0x4400"< / span > , < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "495k"< / span > },
< span class = "hl-string" > "uboot"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "1m"< / span > },
< span class = "hl-string" > "env"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "256k"< / span > },
< span class = "hl-string" > "falcon"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "256k"< / span > },
< span class = "hl-string" > "logo"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "512k"< / span > },
< span class = "hl-string" > "kernel"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "16m"< / span > },
< span class = "hl-string" > "rootfs"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "72m"< / span > }, < em class = "hl-comment" > //分区大小为 72M< / em >
< span class = "hl-string" > "user"< / span > : { < span class = "hl-string" > "size"< / span > : < span class = "hl-string" > "-"< / span > },
},
},< / pre > < / div > < / li > < li class = "- topic/li li" data-ofbid = "d131699e251__20250121171606" > < strong class = "+ topic/ph hi-d/b ph b" > 固件< / strong > < p class = "- topic/p p" data-ofbid = "d131699e254__20250121171606" > 执行 < span class = "+ topic/keyword sw-d/cmdname keyword cmdname" > make menuconfig< / span > 命令，进入 menuconfig 界面，并选择 < span class = "+ topic/ph ui-d/menucascade ph menucascade" > < span class = "+ topic/ph ui-d/uicontrol ph uicontrol" > Filesystem images< / span > < abbr > > < / abbr > < span class = "+ topic/ph ui-d/uicontrol ph uicontrol" > RootFS images< / span > < / span >
调整。< / p > < pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "bringup_memoryConfiguration__codeblock_yqs_qvb_d1c" data-ofbid = "bringup_memoryConfiguration__codeblock_yqs_qvb_d1c" > [*] ext2/< span class = "hl-number" > 3< / span > /< span class = "hl-number" > 4< / span > root filesystem
ext2/< span class = "hl-number" > 3< / span > /< span class = "hl-number" > 4< / span > variant (ext4) --->
(rootfs) filesystem label
(< span class = "hl-number" > 72< / span > M) exact size < em class = "hl-comment" > //固件大小为 72M< / em >
(< span class = "hl-number" > 0< / span > ) exact number of inodes (leave at < span class = "hl-number" > 0< / span > < strong class = "hl-keyword" > for< / strong > < strong class = "hl-keyword" > auto< / strong > calculation)
(< span class = "hl-number" > 5< / span > ) reserved blocks percentage
(-O ^< span class = "hl-number" > 64< / span > bit) additional mke2fs options
Compression method (no compression) --->
[ ] cpio the root filesystem (< strong class = "hl-keyword" > for< / strong > use as an initial RAM filesystem)
[ ] initial RAM filesystem linked into linux kernel< / pre > < / li > < / ol > < / div >
< p class = "- topic/p p" data-ofbid = "d131699e268__20250121171606" > 正确的存储配置应该能够成功支持固件烧录。< / p >
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