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3ae5da5adc
Deleted (upstreamed): ath79/patches-5.10/921-serial-core-add-support-for-boot-console-with-arbitr.patch [1] bcm53xx/patches-5.10/033-v5.15-0012-ARM-dts-BCM5301X-Fix-memory-nodes-names.patch [2] lantiq/patches-5.10/0016-mtd-rawnand-xway-Keep-the-driver-compatible-with-on-.patch [3] lantiq/patches-5.10/0110-MIPS-lantiq-dma-add-small-delay-after-reset.patch [4] lantiq/patches-5.10/0111-MIPS-lantiq-dma-reset-correct-number-of-channel.patch [5] lantiq/patches-5.10/0112-MIPS-lantiq-dma-fix-burst-length-for-DEU.patch [6] Manually rebased: ipq806x/patches-5.10/0065-arm-override-compiler-flags.patch [1] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.10.80&id=47462c5e600fbaffd755cd13dedd80d04e41ff83 [2] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.10.80&id=2fde76df1885a6bec04317e457121326070450eb [3] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.10.80&id=9b366f5221d8aa64b22f35be137a5749326444ce [4] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.10.80&id=5af57ce8a6155fe3e4270d28d171abf8903bebc0 [5] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.10.80&id=b92a5df2c7adc79a57481445f67de0c1c716581f [6] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.10.80&id=6b72caabc47011d03f44064452b2c65e8ed18326 Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
60 lines
1.8 KiB
Diff
60 lines
1.8 KiB
Diff
From d0ff7a1bcfe886cab1a237895b08ac51ecfe10e7 Mon Sep 17 00:00:00 2001
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From: Tim Harvey <tharvey@gateworks.com>
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Date: Wed, 10 Apr 2019 08:00:47 -0700
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Subject: [PATCH 04/12] PCI: add quirk for Gateworks PLX PEX860x switch with
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GPIO PERST#
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Gateworks boards use PLX PEX860x switches where downstream ports
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have their PERST# driven from the PEX GPIO.
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Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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---
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drivers/pci/quirks.c | 32 ++++++++++++++++++++++++++++++++
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1 file changed, 32 insertions(+)
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--- a/drivers/pci/quirks.c
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+++ b/drivers/pci/quirks.c
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@@ -25,6 +25,7 @@
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#include <linux/ktime.h>
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#include <linux/mm.h>
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#include <linux/nvme.h>
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+#include <linux/of.h>
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#include <linux/platform_data/x86/apple.h>
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#include <linux/pm_runtime.h>
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#include <linux/suspend.h>
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@@ -5763,3 +5764,34 @@ static void apex_pci_fixup_class(struct
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}
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DECLARE_PCI_FIXUP_CLASS_HEADER(0x1ac1, 0x089a,
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PCI_CLASS_NOT_DEFINED, 8, apex_pci_fixup_class);
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+
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+#ifdef CONFIG_PCI_HOST_THUNDER_PEM
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+/*
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+ * fixup for PLX PEX8909 bridge to configure GPIO1-7 as output High
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+ * as they are used for slots1-7 PERST#
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+ */
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+static void newport_pciesw_early_fixup(struct pci_dev *dev)
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+{
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+ u32 dw;
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+
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+ if (!of_machine_is_compatible("gw,newport"))
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+ return;
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+
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+ if (dev->devfn != 0)
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+ return;
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+
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+ dev_info(&dev->dev, "de-asserting PERST#\n");
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+ pci_read_config_dword(dev, 0x62c, &dw);
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+ dw |= 0xaaa8; /* GPIO1-7 outputs */
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+ pci_write_config_dword(dev, 0x62c, dw);
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+
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+ pci_read_config_dword(dev, 0x644, &dw);
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+ dw |= 0xfe; /* GPIO1-7 output high */
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+ pci_write_config_dword(dev, 0x644, dw);
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+
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+ msleep(100);
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+}
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+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_PLX, 0x8609, newport_pciesw_early_fixup);
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+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_PLX, 0x8606, newport_pciesw_early_fixup);
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+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_PLX, 0x8604, newport_pciesw_early_fixup);
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+#endif /* CONFIG_PCI_HOST_THUNDER_PEM */
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