From: Andrey Smirnov <andrew.smirnov@gmail.com>
To: Lucas Stach <l.stach@pengutronix.de>
Cc: "barebox@lists.infradead.org" <barebox@lists.infradead.org>
Subject: Re: i.MX6 PCIe support
Date: Mon, 7 Dec 2015 20:24:18 -0800 [thread overview]
Message-ID: <CAHQ1cqGcNR9Q42FEePMfHLi7H4VdJ0QdTrCsqbVN6rw3q4rHFQ@mail.gmail.com> (raw)
In-Reply-To: <1449480510.3118.4.camel@pengutronix.de>
> Can you please compile barebox with config PCI_DEBUG set and provide the
> output of that? Mybe with and without your change applied?
Here's the output (I also added the code to print bridge's *_BASE and
*_LIMIT values):
Good (with my change present):
imx6-pcie 1ffc000.pcie: Link up, Gen=1
pci: pci_scan_bus for bus 0
pci: last_io = 0x00000000, last_mem = 0x01000000, last_mem_pref = 0x00000000
pci: class = 00000604, hdr_type = 00000001
pci: 00:00 [16c3:abcd]
pci: pci_scan_bus for bus 1
pci: last_io = 0x00000000, last_mem = 0x01000000, last_mem_pref = 0x00000000
pci: class = 00000200, hdr_type = 00000000
pci: 01:00 [8086:1531]
pci: pbar0: mask=ff800000 NP memory 8388608 bytes
pci: pbar1 set bad mask
pci: pbar2: mask=ffffffe1 io 32 bytes
pci: pbar3: mask=ffffc000 NP memory 16384 bytes
pci: pbar4 set bad mask
pci: pbar5 set bad mask
pci: pci_scan_bus returning with max=02
pci: pbar0: mask=fff0000e NP memory 1048576 bytes
pci: pbar1 set bad mask
pci-16c3:abcd.0: bridge window [mem 0x10000000-0x00000000 pref]
pci-16c3:abcd.0: bridge window [mem 0x01000000-0x01800000]
pci-16c3:abcd.0: bridge window [io 0x00000000-0x00000000]
Bad (without my change present):
imx6-pcie 1ffc000.pcie: Link up, Gen=1
pci: pci_scan_bus for bus 0
pci: last_io = 0x00000000, last_mem = 0x01000000, last_mem_pref = 0x00000000
pci: class = 00000604, hdr_type = 00000001
pci: 00:00 [16c3:abcd]
pci: pbar0: mask=fff0000e NP memory 1048576 bytes
pci: pbar1 set bad mask
pci: pci_scan_bus for bus 1
pci: last_io = 0x00000000, last_mem = 0x01100000, last_mem_pref = 0x00000000
pci: class = 00000200, hdr_type = 00000000
pci: 01:00 [8086:1531]
pci: pbar0: mask=ff800000 NP memory 8388608 bytes
pci: pbar1 set bad mask
pci: pbar2: mask=ffffffe1 io 32 bytes
pci: pbar3: mask=ffffc000 NP memory 16384 bytes
pci: pbar4 set bad mask
pci: pbar5 set bad mask
pci: pci_scan_bus returning with max=02
pci-16c3:abcd.0: bridge window [mem 0x10000000-0x00000000 pref]
pci-16c3:abcd.0: bridge window [mem 0x01100000-0x01900000]
pci-16c3:abcd.0: bridge window [io 0x00000000-0x00000000]
Regards,
Andrey
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prev parent reply other threads:[~2015-12-08 4:24 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-30 18:56 Andrey Smirnov
2015-12-01 10:10 ` Lucas Stach
2015-12-07 6:03 ` Andrey Smirnov
2015-12-07 9:28 ` Lucas Stach
2015-12-08 4:24 ` Andrey Smirnov [this message]
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