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Diffstat (limited to 'target/linux/kirkwood/patches-3.10/0017-pci-mvebu-no-longer-fake-the-slot-location-of-downst.patch')
-rw-r--r--target/linux/kirkwood/patches-3.10/0017-pci-mvebu-no-longer-fake-the-slot-location-of-downst.patch97
1 files changed, 0 insertions, 97 deletions
diff --git a/target/linux/kirkwood/patches-3.10/0017-pci-mvebu-no-longer-fake-the-slot-location-of-downst.patch b/target/linux/kirkwood/patches-3.10/0017-pci-mvebu-no-longer-fake-the-slot-location-of-downst.patch
deleted file mode 100644
index b1f252f7d9..0000000000
--- a/target/linux/kirkwood/patches-3.10/0017-pci-mvebu-no-longer-fake-the-slot-location-of-downst.patch
+++ /dev/null
@@ -1,97 +0,0 @@
-From 5db3b7ccb319679ac9c5791112c7eb42c25331e3 Mon Sep 17 00:00:00 2001
-From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
-Date: Thu, 23 May 2013 16:32:51 +0200
-Subject: [PATCH 17/29] pci: mvebu: no longer fake the slot location of
- downstream devices
-
-By default, the Marvell hardware, for each PCIe interface, exhibits
-the following devices:
-
- * On slot 0, a "Marvell Memory controller", identical on all PCIe
- interfaces, and which isn't useful when the Marvell SoC is the PCIe
- root complex (i.e, the normal case when we run Linux on the Marvell
- SoC).
-
- * On slot 1, the real PCIe card connected into the PCIe slot of the
- board.
-
-So, what the Marvell PCIe driver was doing in its PCI-to-PCI bridge
-emulation is that when the Linux PCI core was trying to access the
-device in slot 0, we were in fact forwarding the configuration
-transaction to the device in slot 1. For all other slots, we were
-telling the Linux PCI core that there was no device connected.
-
-However, new versions of bootloaders from Marvell change the default
-PCIe configuration, and make the real device appear in slot 0, and the
-"Marvell Memory controller" in slot 1.
-
-Therefore, this commit modifies the Marvell PCIe driver to adjust the
-PCIe hardware configuration to make sure that this behavior (real
-device in slot 0, "Marvell Memory controller" in slot 1) is the one
-we'll see regardless of what the bootloader has done. It allows to
-remove the little hack that was forwarding configuration transactions
-on slot 0 to slot 1, which is nice.
-
-Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
-Acked-by: Bjorn Helgaas <bhelgaas@google.com>
-Signed-off-by: Jason Cooper <jason@lakedaemon.net>
----
- drivers/pci/host/pci-mvebu.c | 19 +++++++++++++++----
- 1 file changed, 15 insertions(+), 4 deletions(-)
-
---- a/drivers/pci/host/pci-mvebu.c
-+++ b/drivers/pci/host/pci-mvebu.c
-@@ -51,6 +51,7 @@
- #define PCIE_CTRL_X1_MODE 0x0001
- #define PCIE_STAT_OFF 0x1a04
- #define PCIE_STAT_BUS 0xff00
-+#define PCIE_STAT_DEV 0x1f0000
- #define PCIE_STAT_LINK_DOWN BIT(0)
- #define PCIE_DEBUG_CTRL 0x1a60
- #define PCIE_DEBUG_SOFT_RESET BIT(20)
-@@ -148,6 +149,16 @@ static void mvebu_pcie_set_local_bus_nr(
- writel(stat, port->base + PCIE_STAT_OFF);
- }
-
-+static void mvebu_pcie_set_local_dev_nr(struct mvebu_pcie_port *port, int nr)
-+{
-+ u32 stat;
-+
-+ stat = readl(port->base + PCIE_STAT_OFF);
-+ stat &= ~PCIE_STAT_DEV;
-+ stat |= nr << 16;
-+ writel(stat, port->base + PCIE_STAT_OFF);
-+}
-+
- /*
- * Setup PCIE BARs and Address Decode Wins:
- * BAR[0,2] -> disabled, BAR[1] -> covers all DRAM banks
-@@ -572,8 +583,7 @@ static int mvebu_pcie_wr_conf(struct pci
-
- /* Access the real PCIe interface */
- spin_lock_irqsave(&port->conf_lock, flags);
-- ret = mvebu_pcie_hw_wr_conf(port, bus,
-- PCI_DEVFN(1, PCI_FUNC(devfn)),
-+ ret = mvebu_pcie_hw_wr_conf(port, bus, devfn,
- where, size, val);
- spin_unlock_irqrestore(&port->conf_lock, flags);
-
-@@ -606,8 +616,7 @@ static int mvebu_pcie_rd_conf(struct pci
-
- /* Access the real PCIe interface */
- spin_lock_irqsave(&port->conf_lock, flags);
-- ret = mvebu_pcie_hw_rd_conf(port, bus,
-- PCI_DEVFN(1, PCI_FUNC(devfn)),
-+ ret = mvebu_pcie_hw_rd_conf(port, bus, devfn,
- where, size, val);
- spin_unlock_irqrestore(&port->conf_lock, flags);
-
-@@ -817,6 +826,8 @@ static int __init mvebu_pcie_probe(struc
- continue;
- }
-
-+ mvebu_pcie_set_local_dev_nr(port, 1);
-+
- if (mvebu_pcie_link_up(port)) {
- port->haslink = 1;
- dev_info(&pdev->dev, "PCIe%d.%d: link up\n",