From: Minda Chen <minda.chen@starfivetech.com>
To: "Pali Rohár" <pali@kernel.org>, "Rick Chen" <rick@andestech.com>,
Leo <ycliang@andestech.com>, "Torsten Duwe" <duwe@suse.de>,
"Bin Meng" <bmeng.cn@gmail.com>
Cc: <u-boot@lists.denx.de>, Mason Huo <mason.huo@starfivetech.com>,
Minda Chen <minda.chen@starfivetech.com>
Subject: [RESEND, v1 1/4] pci: plda: Get correct ECAM offset in multiple PCIe RC case
Date: Mon, 7 Aug 2023 16:53:35 +0800 [thread overview]
Message-ID: <20230807085338.27119-2-minda.chen@starfivetech.com> (raw)
In-Reply-To: <20230807085338.27119-1-minda.chen@starfivetech.com>
Get the correct ECAM offset and record the secondary bus
number in Multiple RC case.
Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
---
drivers/pci/pcie_plda_common.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/pcie_plda_common.c b/drivers/pci/pcie_plda_common.c
index 005b92616a..cd74bb4711 100644
--- a/drivers/pci/pcie_plda_common.c
+++ b/drivers/pci/pcie_plda_common.c
@@ -36,8 +36,8 @@ static int plda_pcie_conf_address(const struct udevice *udev, pci_dev_t bdf,
uint offset, void **paddr)
{
struct pcie_plda *priv = dev_get_priv(udev);
- int where = PCIE_ECAM_OFFSET(PCI_BUS(bdf), PCI_DEV(bdf),
- PCI_FUNC(bdf), offset);
+ int where = PCIE_ECAM_OFFSET(PCI_BUS(bdf) - dev_seq(udev),
+ PCI_DEV(bdf), PCI_FUNC(bdf), offset);
if (!plda_pcie_addr_valid(priv, bdf))
return -ENODEV;
@@ -71,6 +71,7 @@ int plda_pcie_config_write(struct udevice *udev, pci_dev_t bdf,
(offset == PCI_PRIMARY_BUS && size != PCI_SIZE_8))) {
priv->sec_busno =
((offset == PCI_PRIMARY_BUS) ? (value >> 8) : value) & 0xff;
+ priv->sec_busno += dev_seq(udev);
debug("Secondary bus number was changed to %d\n",
priv->sec_busno);
}
--
2.17.1
next prev parent reply other threads:[~2023-08-07 8:53 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-07 8:53 [RESEND,v1 0/4] Add StarFive VF2 USB host support Minda Chen
2023-08-07 8:53 ` Minda Chen [this message]
2023-08-09 7:02 ` [RESEND,v1 1/4] pci: plda: Get correct ECAM offset in multiple PCIe RC case Leo Liang
2023-08-07 8:53 ` [RESEND,v1 2/4] riscv: dts: starfive: Enable pcie0 dts node Minda Chen
2023-08-09 7:03 ` Leo Liang
2023-08-07 8:53 ` [RESEND, v1 3/4] riscv: starfive: Add SYS_CACHE_SHIFT_6 to enable SYS_CACHELINE_SIZE Minda Chen
2023-08-07 10:18 ` Bin Meng
2023-08-09 7:04 ` Leo Liang
2023-08-07 8:53 ` [RESEND, v1 4/4] configs: riscv: starfive: Add VF2 PCIe USB3 XHCI support Minda Chen
2023-08-09 7:04 ` Leo Liang
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