PCIe BAR no space on I.MX8MP

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PCIe BAR no space on I.MX8MP

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weilly_li
Contributor IV
嗨,大家好。
 
我們正在研究 i.MX8MP 上的 PCIe 和 AI M.2 Moudle (MemeryX)。
當我們嘗試修改 imx8mp-evk.dts 和 imx8mp-evk.dtsi (調整記憶體映射)時,系統顯示「BAR no space」。您能給我們一些調整 PCI 設備樹的建議嗎?
 
謝謝 !這是錯誤訊息:
 
[3.113006] pci 0000:00:00.0: BAR 14: 沒有空間 [mem size 0x18000000]
[3.113016]pci 0000:00:00.0:BAR 14:無法指派[mem大小0x18000000]
[3.113025]pci 0000:00:00.0:BAR 0:已指派[mem 0x08000000-0x080fffff]
[3.113034]pci 0000:00:00.0:BAR 15:已指派[mem 0x08100000-0x081fffff首選項]
[3.113042]pci 0000:00:00.0:BAR 6:已指派[mem 0x08200000-0x0820ffff首選項]
[3.113051]pci 0000:01:00.0:BAR 0:沒有空間[記憶體大小0x10000000]
[3.113057]pci 0000:01:00.0:BAR 0:無法分配[記憶體大小0x10000000]
[3.113063]pci 0000:01:00.0:BAR 1:沒有空間[mem大小0x00100000]
[3.113069]pci 0000:01:00.0:BAR 1:無法指派[mem大小0x00100000]
[3.113076]pci 0000:01:00.0:BAR 6:已指派[mem 0x08100000-0x08100fff首選項]
 
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Rita_Wang
NXP TechSupport
NXP TechSupport
Dear Weilly Li,

@weilly_li Which version BSP are you using and how about your hardware design, then we can help check it.
I will update to you in your newest case 00633946.
Wish you have a nice day
Best Regards
Rita

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926 Views
Rita_Wang
NXP TechSupport
NXP TechSupport
Dear Weilly Li,

@weilly_li Which version BSP are you using and how about your hardware design, then we can help check it.
I will update to you in your newest case 00633946.
Wish you have a nice day
Best Regards
Rita