From: Zhiqiang Hou <Zhiqiang.Hou@nxp.com>
To: <linux-pci@vger.kernel.org>, <bhelgaas@google.com>,
<jingoohan1@gmail.com>, <Joao.Pinto@synopsys.com>
Cc: <minghuan.lian@nxp.com>, <mingkai.hu@nxp.com>, <roy.zang@nxp.com>,
<svarbanov@mm-sol.com>, <niklas.cassel@axis.com>,
<jesper.nilsson@axis.com>, Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Subject: [PATCHv4 3/9] PCI: layerscape: add class code and multifunction fixups for ls1021a
Date: Wed, 23 Aug 2017 14:08:50 +0800 [thread overview]
Message-ID: <20170823060856.9387-4-Zhiqiang.Hou@nxp.com> (raw)
In-Reply-To: <20170823060856.9387-1-Zhiqiang.Hou@nxp.com>
From: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
The current code depends on these 2 fixups implemented in bootloader,
this patch is to resolve the dependence.
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
---
V4:
- no change
drivers/pci/dwc/pci-layerscape.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/pci/dwc/pci-layerscape.c b/drivers/pci/dwc/pci-layerscape.c
index c16940044ed6..3aa34214643c 100644
--- a/drivers/pci/dwc/pci-layerscape.c
+++ b/drivers/pci/dwc/pci-layerscape.c
@@ -134,6 +134,11 @@ static int ls1021_pcie_host_init(struct pcie_port *pp)
dw_pcie_setup_rc(pp);
+ iowrite32(1, pci->dbi_base + PCIE_DBI_RO_WR_EN);
+ ls_pcie_fix_class(pcie);
+ ls_pcie_clear_multifunction(pcie);
+ iowrite32(0, pci->dbi_base + PCIE_DBI_RO_WR_EN);
+
ls_pcie_drop_msg_tlp(pcie);
return 0;
--
2.14.1
next prev parent reply other threads:[~2017-08-23 6:26 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-23 6:08 [PATCHv4 0/9] PCI: dwc: refactor ls-pcie ->host_init() and fix bug for dw_pcie_setup_rc Zhiqiang Hou
2017-08-23 6:08 ` [PATCHv4 1/9] PCI: layerscape: Add dw_pcie_setup_rc to ls-pcie common host init Zhiqiang Hou
2017-08-23 6:08 ` [PATCHv4 2/9] PCI: layerscape: move STRFMR1 access out from the DBI write-enable bracket Zhiqiang Hou
2017-08-23 6:08 ` Zhiqiang Hou [this message]
2017-08-23 6:08 ` [PATCHv4 4/9] PCI: layerscape: refactor the host_init function Zhiqiang Hou
2017-08-24 17:12 ` Bjorn Helgaas
2017-08-25 3:16 ` Z.q. Hou
2017-08-25 4:22 ` Bjorn Helgaas
2017-08-25 6:51 ` Z.q. Hou
2017-08-23 6:08 ` [PATCHv4 5/9] PCI: layerscape: Disable the outbound windows configured by bootloader Zhiqiang Hou
2017-08-23 6:08 ` [PATCHv4 6/9] PCI: designware: add accessors for write permission of DBI read-only registers Zhiqiang Hou
2017-08-23 6:08 ` [PATCHv4 7/9] PCI: layerscape: use accessors to enable/disable DBI RO registers' write permission Zhiqiang Hou
2017-08-24 17:14 ` Bjorn Helgaas
2017-08-25 3:20 ` Z.q. Hou
2017-08-23 6:08 ` [PATCHv4 8/9] PCI: designware: enable write permission before updating DBI RO registers Zhiqiang Hou
2017-08-23 6:08 ` [PATCHv4 9/9] PCI: dwc: remove the obsolete fixups Zhiqiang Hou
2017-08-24 17:17 ` [PATCHv4 0/9] PCI: dwc: refactor ls-pcie ->host_init() and fix bug for dw_pcie_setup_rc Bjorn Helgaas
2017-08-24 18:17 ` Roy Zang
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