diff options
Diffstat (limited to 'target/linux/octeontx/patches-5.4/0004-PCI-add-quirk-for-Gateworks-PLX-PEX860x-switch-with-.patch')
| -rw-r--r-- | target/linux/octeontx/patches-5.4/0004-PCI-add-quirk-for-Gateworks-PLX-PEX860x-switch-with-.patch | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/target/linux/octeontx/patches-5.4/0004-PCI-add-quirk-for-Gateworks-PLX-PEX860x-switch-with-.patch b/target/linux/octeontx/patches-5.4/0004-PCI-add-quirk-for-Gateworks-PLX-PEX860x-switch-with-.patch deleted file mode 100644 index 8b7285abdf..0000000000 --- a/target/linux/octeontx/patches-5.4/0004-PCI-add-quirk-for-Gateworks-PLX-PEX860x-switch-with-.patch +++ /dev/null @@ -1,59 +0,0 @@ -From d0ff7a1bcfe886cab1a237895b08ac51ecfe10e7 Mon Sep 17 00:00:00 2001 -From: Tim Harvey <tharvey@gateworks.com> -Date: Wed, 10 Apr 2019 08:00:47 -0700 -Subject: [PATCH 04/12] PCI: add quirk for Gateworks PLX PEX860x switch with - GPIO PERST# - -Gateworks boards use PLX PEX860x switches where downstream ports -have their PERST# driven from the PEX GPIO. - -Signed-off-by: Tim Harvey <tharvey@gateworks.com> ---- - drivers/pci/quirks.c | 32 ++++++++++++++++++++++++++++++++ - 1 file changed, 32 insertions(+) - ---- a/drivers/pci/quirks.c -+++ b/drivers/pci/quirks.c -@@ -25,6 +25,7 @@ - #include <linux/ktime.h> - #include <linux/mm.h> - #include <linux/nvme.h> -+#include <linux/of.h> - #include <linux/platform_data/x86/apple.h> - #include <linux/pm_runtime.h> - #include <linux/suspend.h> -@@ -5793,3 +5794,34 @@ static void nvidia_ion_ahci_fixup(struct - pdev->dev_flags |= PCI_DEV_FLAGS_HAS_MSI_MASKING; - } - DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, 0x0ab8, nvidia_ion_ahci_fixup); -+ -+#ifdef CONFIG_PCI_HOST_THUNDER_PEM -+/* -+ * fixup for PLX PEX8909 bridge to configure GPIO1-7 as output High -+ * as they are used for slots1-7 PERST# -+ */ -+static void newport_pciesw_early_fixup(struct pci_dev *dev) -+{ -+ u32 dw; -+ -+ if (!of_machine_is_compatible("gw,newport")) -+ return; -+ -+ if (dev->devfn != 0) -+ return; -+ -+ dev_info(&dev->dev, "de-asserting PERST#\n"); -+ pci_read_config_dword(dev, 0x62c, &dw); -+ dw |= 0xaaa8; /* GPIO1-7 outputs */ -+ pci_write_config_dword(dev, 0x62c, dw); -+ -+ pci_read_config_dword(dev, 0x644, &dw); -+ dw |= 0xfe; /* GPIO1-7 output high */ -+ pci_write_config_dword(dev, 0x644, dw); -+ -+ msleep(100); -+} -+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_PLX, 0x8609, newport_pciesw_early_fixup); -+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_PLX, 0x8606, newport_pciesw_early_fixup); -+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_PLX, 0x8604, newport_pciesw_early_fixup); -+#endif /* CONFIG_PCI_HOST_THUNDER_PEM */ |