Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 97 insertions, 0 deletions

diff --git a/drivers/pci/controller/pcie-iproc-bcma.c b/drivers/pci/controller/pcie-iproc-bcma.c
new file mode 100644
index 0000000000..99a9990044
--- /dev/null
+++ b/drivers/pci/controller/pcie-iproc-bcma.c
@@ -0,0 +1,97 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2015 Broadcom Corporation
+ * Copyright (C) 2015 Hauke Mehrtens <hauke@hauke-m.de>
+ */
+
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/phy/phy.h>
+#include <linux/bcma/bcma.h>
+#include <linux/ioport.h>
+
+#include "pcie-iproc.h"
+
+
+/* NS: CLASS field is R/O, and set to wrong 0x200 value */
+static void bcma_pcie2_fixup_class(struct pci_dev *dev)
+{
+	dev->class = PCI_CLASS_BRIDGE_PCI_NORMAL;
+}
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, 0x8011, bcma_pcie2_fixup_class);
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, 0x8012, bcma_pcie2_fixup_class);
+
+static int iproc_bcma_pcie_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+	struct iproc_pcie *pcie = dev->sysdata;
+	struct bcma_device *bdev = container_of(pcie->dev, struct bcma_device, dev);
+
+	return bcma_core_irq(bdev, 5);
+}
+
+static int iproc_bcma_pcie_probe(struct bcma_device *bdev)
+{
+	struct device *dev = &bdev->dev;
+	struct iproc_pcie *pcie;
+	struct pci_host_bridge *bridge;
+	int ret;
+
+	bridge = devm_pci_alloc_host_bridge(dev, sizeof(*pcie));
+	if (!bridge)
+		return -ENOMEM;
+
+	pcie = pci_host_bridge_priv(bridge);
+
+	pcie->dev = dev;
+
+	pcie->type = IPROC_PCIE_PAXB_BCMA;
+	pcie->base = bdev->io_addr;
+	if (!pcie->base) {
+		dev_err(dev, "no controller registers\n");
+		return -ENOMEM;
+	}
+
+	pcie->base_addr = bdev->addr;
+
+	pcie->mem.start = bdev->addr_s[0];
+	pcie->mem.end = bdev->addr_s[0] + SZ_128M - 1;
+	pcie->mem.name = "PCIe MEM space";
+	pcie->mem.flags = IORESOURCE_MEM;
+	pci_add_resource(&bridge->windows, &pcie->mem);
+	ret = devm_request_pci_bus_resources(dev, &bridge->windows);
+	if (ret)
+		return ret;
+
+	pcie->map_irq = iproc_bcma_pcie_map_irq;
+
+	bcma_set_drvdata(bdev, pcie);
+
+	return iproc_pcie_setup(pcie, &bridge->windows);
+}
+
+static void iproc_bcma_pcie_remove(struct bcma_device *bdev)
+{
+	struct iproc_pcie *pcie = bcma_get_drvdata(bdev);
+
+	iproc_pcie_remove(pcie);
+}
+
+static const struct bcma_device_id iproc_bcma_pcie_table[] = {
+	BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_NS_PCIEG2, BCMA_ANY_REV, BCMA_ANY_CLASS),
+	{},
+};
+MODULE_DEVICE_TABLE(bcma, iproc_bcma_pcie_table);
+
+static struct bcma_driver iproc_bcma_pcie_driver = {
+	.name		= KBUILD_MODNAME,
+	.id_table	= iproc_bcma_pcie_table,
+	.probe		= iproc_bcma_pcie_probe,
+	.remove		= iproc_bcma_pcie_remove,
+};
+module_bcma_driver(iproc_bcma_pcie_driver);
+
+MODULE_AUTHOR("Hauke Mehrtens");
+MODULE_DESCRIPTION("Broadcom iProc PCIe BCMA driver");
+MODULE_LICENSE("GPL v2");