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配置< / h1 > < div class = "date inPage" > 14 Nov 2024< / div > < div style = "color: gray;" >
Read time: 3 minute(s)
< / div > < div class = "- topic/body concept/conbody body conbody" > < div class = "- topic/p p" data-ofbid = "d242226e24__20250121171659" > D21x 是一个 IC 系列， 是不同的引脚数和不同的 ddr 容量的组合，因此在进行 Bringup 的时候要确保配置的正确。< ol class = "- topic/ol ol" id = "bringup_icConfiguration__ol_pql_xwb_d1c" data-ofbid = "bringup_icConfiguration__ol_pql_xwb_d1c" > < li class = "- topic/li li" data-ofbid = "d242226e27__20250121171659" > 内存配置< div class = "- topic/p p" data-ofbid = "d242226e29__20250121171659" > 型号区分 < ul class = "- topic/ul ul" id = "bringup_icConfiguration__ul_dgr_pzl_jdc" data-ofbid = "bringup_icConfiguration__ul_dgr_pzl_jdc" > < li class = "- topic/li li" data-ofbid = "d242226e32__20250121171659" >
< p class = "- topic/p p" data-ofbid = "d242226e34__20250121171659" > D21XXB： ， < / p >
< / li > < li class = "- topic/li li" data-ofbid = "d242226e37__20250121171659" >
< p class = "- topic/p p" data-ofbid = "d242226e39__20250121171659" > D21XXC： ， < / p >
< / li > < / ul > < div class = "- topic/note note note note_note" id = "bringup_icConfiguration__note_ilc_qqn_y1c" data-ofbid = "bringup_icConfiguration__note_ilc_qqn_y1c" > < span class = "note__title" > 注：< / span > 目前 SDK 可以自动 turning ddr 的型号并进行初始化，但在
< span class = "+ topic/ph sw-d/filepath ph filepath" > board.dts< / span >
中有对应用层容量进行配置的地方需要注意< / div > < pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "bringup_icConfiguration__codeblock_jpr_ywb_d1c" data-ofbid = "bringup_icConfiguration__codeblock_jpr_ywb_d1c" > memory@< span class = "hl-number" > 40000000< / span > {
device_type = < span class = "hl-string" > "memory"< / span > ;
reg = < < span class = "hl-number" > 0x0< / span > < span class = "hl-number" > 0x40000000< / span > < span class = "hl-number" > 0x0< / span > < span class = "hl-number" > 0x4000000< / span > > ; < em class = "hl-comment" > //0x4000000 为 64M， < / em >
};< / pre > < / div > < / li > < li class = "- topic/li li" data-ofbid = "d242226e49__20250121171659" > 检查 pin 脚。SDK 有自动的 Pin 脚配置检查，可以检查 pin 脚设置是否正确，不同模块是否有 pin 脚配置冲突等。< ol class = "- topic/ol ol" type = "a" id = "bringup_icConfiguration__ol_lyc_bxb_d1c" data-ofbid = "bringup_icConfiguration__ol_lyc_bxb_d1c" > < li class = "- topic/li li" data-ofbid = "d242226e52__20250121171659" > 设置 pin 数目< div class = "- topic/p p" data-ofbid = "d242226e54__20250121171659" > IC 的 pin 数目在 < span class = "+ topic/ph sw-d/filepath ph filepath" > board.dts< / span >
中设置，该设置只是辅助检查，不会产生功能性影响，但原则上应该要解决所有的告警< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "bringup_icConfiguration__codeblock_hln_cxb_d1c" data-ofbid = "bringup_icConfiguration__codeblock_hln_cxb_d1c" > compatible = < span class = "hl-string" > "artinchip,d211"< / span > ;
package = < span class = "hl-string" > "QFN88"< / span > ;< / pre > < / div > < / li > < li class = "- topic/li li" data-ofbid = "d242226e61__20250121171659" > 配置 pin 脚< div class = "- topic/p p" data-ofbid = "d242226e63__20250121171659" > 如下告警的意思是 sdmc0 的 pinctrl 配置为 8 线，但 QFN88 只能支持 4
线< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "bringup_icConfiguration__codeblock_wzd_2xb_d1c" data-ofbid = "bringup_icConfiguration__codeblock_wzd_2xb_d1c" > Pinmux check ...
No conflict in pinmux
Package check ...
QFN88 not support the following modules:
sdmc@< span class = "hl-number" > 10440000< / span > only support < span class = "hl-number" > 4< / span > lines< / pre > < / div > < div class = "- topic/p p" data-ofbid = "d242226e67__20250121171659" > 定义在
< span class = "+ topic/ph sw-d/filepath ph filepath" > target/common/d211-pinctrl.dtsi< / span > 中，
解决方案是可以删掉不需要的引脚配置， 也可以仿照 < span class = "+ topic/ph sw-d/filepath ph filepath" > demo88_nand/board.dts< / span >
中 < span class = "+ topic/keyword pr-d/apiname keyword apiname" > gmac0_local_pins< / span >
的方式重新定义一组引脚。< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "bringup_icConfiguration__codeblock_i4m_gxb_d1c" data-ofbid = "bringup_icConfiguration__codeblock_i4m_gxb_d1c" > sdmc0_pins: sdmc0-< span class = "hl-number" > 0< / span > {
pins {
pinmux = < AIC_PINMUX(< span class = "hl-string" > 'B'< / span > , < span class = "hl-number" > 0< / span > , < span class = "hl-number" > 2< / span > )> ,
< AIC_PINMUX(< span class = "hl-string" > 'B'< / span > , < span class = "hl-number" > 1< / span > , < span class = "hl-number" > 2< / span > )> ,
< AIC_PINMUX(< span class = "hl-string" > 'B'< / span > , < span class = "hl-number" > 2< / span > , < span class = "hl-number" > 2< / span > )> ,
< AIC_PINMUX(< span class = "hl-string" > 'B'< / span > , < span class = "hl-number" > 3< / span > , < span class = "hl-number" > 2< / span > )> ,
< AIC_PINMUX(< span class = "hl-string" > 'B'< / span > , < span class = "hl-number" > 4< / span > , < span class = "hl-number" > 2< / span > )> ,
< AIC_PINMUX(< span class = "hl-string" > 'B'< / span > , < span class = "hl-number" > 5< / span > , < span class = "hl-number" > 2< / span > )> ,
< AIC_PINMUX(< span class = "hl-string" > 'B'< / span > , < span class = "hl-number" > 6< / span > , < span class = "hl-number" > 2< / span > )> ,
< AIC_PINMUX(< span class = "hl-string" > 'B'< / span > , < span class = "hl-number" > 7< / span > , < span class = "hl-number" > 2< / span > )> ,
< AIC_PINMUX(< span class = "hl-string" > 'B'< / span > , < span class = "hl-number" > 8< / span > , < span class = "hl-number" > 2< / span > )> ,
< AIC_PINMUX(< span class = "hl-string" > 'B'< / span > , < span class = "hl-number" > 9< / span > , < span class = "hl-number" > 2< / span > )> ,
< AIC_PINMUX(< span class = "hl-string" > 'B'< / span > , < span class = "hl-number" > 10< / span > , < span class = "hl-number" > 2< / span > )> ,
< AIC_PINMUX(< span class = "hl-string" > 'B'< / span > , < span class = "hl-number" > 11< / span > , < span class = "hl-number" > 2< / span > )> ;
bias-pull-up;
drive-strength = < < span class = "hl-number" > 3< / span > > ;
};
}< / pre > < / div > < / li > < / ol > < / li > < li class = "- topic/li li" data-ofbid = "d242226e80__20250121171659" > 解决 pin
脚冲突，如有。< div class = "- topic/p p" data-ofbid = "d242226e82__20250121171659" > 如果同一引脚在不同的功能块中被使用，则会告警有冲突，解决方案是按原理图重新厘定功能< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "bringup_icConfiguration__codeblock_tzy_jxb_d1c" data-ofbid = "bringup_icConfiguration__codeblock_tzy_jxb_d1c" > Pinmux check ...
phy-reset-gpios pinmux conflicts with /soc/dvp@< span class = "hl-number" > 18830000< / span >
The conflicting pin: PE6
ethernet@< span class = "hl-number" > 10280000< / span > pinmux conflicts with /soc/dvp@< span class = "hl-number" > 18830000< / span >
The conflicting pin: PE0
ethernet@< span class = "hl-number" > 10280000< / span > pinmux conflicts with /soc/dvp@< span class = "hl-number" > 18830000< / span >
The conflicting pin: PE1
ethernet@< span class = "hl-number" > 10280000< / span > pinmux conflicts with /soc/dvp@< span class = "hl-number" > 18830000< / span >
The conflicting pin: PE2
ethernet@< span class = "hl-number" > 10280000< / span > pinmux conflicts with /soc/dvp@< span class = "hl-number" > 18830000< / span >
The conflicting pin: PE3
ethernet@< span class = "hl-number" > 10280000< / span > pinmux conflicts with /soc/dvp@< span class = "hl-number" > 18830000< / span >
The conflicting pin: PE4
ethernet@< span class = "hl-number" > 10280000< / span > pinmux conflicts with /soc/dvp@< span class = "hl-number" > 18830000< / span >
The conflicting pin: PE5
ethernet@< span class = "hl-number" > 10280000< / span > pinmux conflicts with /soc/dvp@< span class = "hl-number" > 18830000< / span >
The conflicting pin: PE7
ethernet@< span class = "hl-number" > 10280000< / span > pinmux conflicts with /soc/dvp@< span class = "hl-number" > 18830000< / span >
The conflicting pin: PE8
ethernet@< span class = "hl-number" > 10280000< / span > pinmux conflicts with /soc/dvp@< span class = "hl-number" > 18830000< / span >
The conflicting pin: PE9
ethernet@< span class = "hl-number" > 10280000< / span > pinmux conflicts with /soc/dvp@< span class = "hl-number" > 18830000< / span >
The conflicting pin: PE10
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