openwrt/target/linux/octeontx/patches-5.15/0004-PCI-add-quirk-for-Gateworks-PLX-PEX860x-switch-with-.patch
John Audia 8590531048 kernel: bump 5.15 to 5.15.123
Manually rebased:
	bcm4908/patches-5.15/071-v6.1-0001-net-broadcom-bcm4908_enet-handle-EPROBE_DEFER-when-g.patch
	bcm53xx/patches-5.15/180-usb-xhci-add-support-for-performing-fake-doorbell.patch
	ipq40xx/patches-5.15/902-dts-ipq4019-ap-dk04.1.patch[*]

Removed upstreamed:
	backport-5.15/735-v6.5-net-bgmac-postpone-turning-IRQs-off-to-avoid-SoC-han.patch[1]
	backport-5.15/817-v6.5-01-leds-trigger-netdev-Recheck-NETDEV_LED_MODE_LINKUP-o.patch[2]
	pending-5.15/143-jffs2-reduce-stack-usage-in-jffs2_build_xattr_subsys.patch[3]
	pending-5.15/160-workqueue-fix-enum-type-for-gcc-13.patch[4]
	bcm53xx/patches-5.15/036-v6.5-0003-ARM-dts-BCM5301X-Drop-clock-names-from-the-SPI-node.patch[5]
	bcm53xx/patches-5.15/036-v6.5-0015-ARM-dts-BCM5301X-fix-duplex-full-full-duplex.patch[6]

All other patches automatically rebased.

1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.123&id=02474292a44205c1eb5a03634ead155a3c9134f4
2. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.123&id=86b93cbfe104e99fd3d25a49748b99fb88101573
3. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.123&id=79b9ab357b6f5675007f4c02ff8765cbd8dc06a2
4. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.123&id=d528faa9e828b9fc46dfb684a2a9fd8c2e860ed8
5. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.123&id=5899bc4058e89d5110a23797ff94439c53b77c25
6. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.123&id=95afd2c7c7d26087730dc938709e025a303e5499

Build system: x86/64
Build-tested: ramips/tplink_archer-a6-v3
Run-tested: ramips/tplink_archer-a6-v3

Co-authored-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John Audia <therealgraysky@proton.me>
[rebased ipq40xx/patches-5.15/902-dts-ipq4019-ap-dk04.1.patch ]
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2023-07-30 18:02:47 +02:00

60 lines
1.9 KiB
Diff

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>
@@ -5856,3 +5857,34 @@ 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 */