AnsweredAssumed Answered

IMX6 PCIe Root Complex BAR

Question asked by GregT on Jan 21, 2017
Latest reply on Jan 23, 2017 by GregT

Does anyone know why the iMX6 root complex creates a 64-bit BAR of 1MB?  I thought the iMX6 was a 32 bit addressed processor.  Thanks in advance.

 

00:00.0 PCI bridge: Device 16c3:abcd (rev 01) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Memory at 01a00000 (64-bit, prefetchable) [size=1M]
Bus: primary=00, secondary=01, subordinate=07, sec-latency=0
Memory behind bridge: 01000000-019fffff
[virtual] Expansion ROM at 01b00000 [disabled] [size=64K]
Capabilities: [40] Power Management version 3
Capabilities: [50] MSI: Enable- Count=1/1 Maskable+ 64bit+
Capabilities: [70] Express Root Port (Slot-), MSI 00
Capabilities: [100] Advanced Error Reporting
Capabilities: [140] Virtual Channel

Outcomes