1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Copyright (C) 2015 Broadcom Corporation
4*4882a593Smuzhiyun * Copyright (C) 2015 Hauke Mehrtens <hauke@hauke-m.de>
5*4882a593Smuzhiyun */
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun #include <linux/kernel.h>
8*4882a593Smuzhiyun #include <linux/pci.h>
9*4882a593Smuzhiyun #include <linux/module.h>
10*4882a593Smuzhiyun #include <linux/slab.h>
11*4882a593Smuzhiyun #include <linux/phy/phy.h>
12*4882a593Smuzhiyun #include <linux/bcma/bcma.h>
13*4882a593Smuzhiyun #include <linux/ioport.h>
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun #include "pcie-iproc.h"
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun /* NS: CLASS field is R/O, and set to wrong 0x200 value */
bcma_pcie2_fixup_class(struct pci_dev * dev)19*4882a593Smuzhiyun static void bcma_pcie2_fixup_class(struct pci_dev *dev)
20*4882a593Smuzhiyun {
21*4882a593Smuzhiyun dev->class = PCI_CLASS_BRIDGE_PCI << 8;
22*4882a593Smuzhiyun }
23*4882a593Smuzhiyun DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, 0x8011, bcma_pcie2_fixup_class);
24*4882a593Smuzhiyun DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, 0x8012, bcma_pcie2_fixup_class);
25*4882a593Smuzhiyun
iproc_pcie_bcma_map_irq(const struct pci_dev * dev,u8 slot,u8 pin)26*4882a593Smuzhiyun static int iproc_pcie_bcma_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
27*4882a593Smuzhiyun {
28*4882a593Smuzhiyun struct iproc_pcie *pcie = dev->sysdata;
29*4882a593Smuzhiyun struct bcma_device *bdev = container_of(pcie->dev, struct bcma_device, dev);
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun return bcma_core_irq(bdev, 5);
32*4882a593Smuzhiyun }
33*4882a593Smuzhiyun
iproc_pcie_bcma_probe(struct bcma_device * bdev)34*4882a593Smuzhiyun static int iproc_pcie_bcma_probe(struct bcma_device *bdev)
35*4882a593Smuzhiyun {
36*4882a593Smuzhiyun struct device *dev = &bdev->dev;
37*4882a593Smuzhiyun struct iproc_pcie *pcie;
38*4882a593Smuzhiyun struct pci_host_bridge *bridge;
39*4882a593Smuzhiyun int ret;
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun bridge = devm_pci_alloc_host_bridge(dev, sizeof(*pcie));
42*4882a593Smuzhiyun if (!bridge)
43*4882a593Smuzhiyun return -ENOMEM;
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun pcie = pci_host_bridge_priv(bridge);
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun pcie->dev = dev;
48*4882a593Smuzhiyun
49*4882a593Smuzhiyun pcie->type = IPROC_PCIE_PAXB_BCMA;
50*4882a593Smuzhiyun pcie->base = bdev->io_addr;
51*4882a593Smuzhiyun if (!pcie->base) {
52*4882a593Smuzhiyun dev_err(dev, "no controller registers\n");
53*4882a593Smuzhiyun return -ENOMEM;
54*4882a593Smuzhiyun }
55*4882a593Smuzhiyun
56*4882a593Smuzhiyun pcie->base_addr = bdev->addr;
57*4882a593Smuzhiyun
58*4882a593Smuzhiyun pcie->mem.start = bdev->addr_s[0];
59*4882a593Smuzhiyun pcie->mem.end = bdev->addr_s[0] + SZ_128M - 1;
60*4882a593Smuzhiyun pcie->mem.name = "PCIe MEM space";
61*4882a593Smuzhiyun pcie->mem.flags = IORESOURCE_MEM;
62*4882a593Smuzhiyun pci_add_resource(&bridge->windows, &pcie->mem);
63*4882a593Smuzhiyun ret = devm_request_pci_bus_resources(dev, &bridge->windows);
64*4882a593Smuzhiyun if (ret)
65*4882a593Smuzhiyun return ret;
66*4882a593Smuzhiyun
67*4882a593Smuzhiyun pcie->map_irq = iproc_pcie_bcma_map_irq;
68*4882a593Smuzhiyun
69*4882a593Smuzhiyun bcma_set_drvdata(bdev, pcie);
70*4882a593Smuzhiyun
71*4882a593Smuzhiyun return iproc_pcie_setup(pcie, &bridge->windows);
72*4882a593Smuzhiyun }
73*4882a593Smuzhiyun
iproc_pcie_bcma_remove(struct bcma_device * bdev)74*4882a593Smuzhiyun static void iproc_pcie_bcma_remove(struct bcma_device *bdev)
75*4882a593Smuzhiyun {
76*4882a593Smuzhiyun struct iproc_pcie *pcie = bcma_get_drvdata(bdev);
77*4882a593Smuzhiyun
78*4882a593Smuzhiyun iproc_pcie_remove(pcie);
79*4882a593Smuzhiyun }
80*4882a593Smuzhiyun
81*4882a593Smuzhiyun static const struct bcma_device_id iproc_pcie_bcma_table[] = {
82*4882a593Smuzhiyun BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_NS_PCIEG2, BCMA_ANY_REV, BCMA_ANY_CLASS),
83*4882a593Smuzhiyun {},
84*4882a593Smuzhiyun };
85*4882a593Smuzhiyun MODULE_DEVICE_TABLE(bcma, iproc_pcie_bcma_table);
86*4882a593Smuzhiyun
87*4882a593Smuzhiyun static struct bcma_driver iproc_pcie_bcma_driver = {
88*4882a593Smuzhiyun .name = KBUILD_MODNAME,
89*4882a593Smuzhiyun .id_table = iproc_pcie_bcma_table,
90*4882a593Smuzhiyun .probe = iproc_pcie_bcma_probe,
91*4882a593Smuzhiyun .remove = iproc_pcie_bcma_remove,
92*4882a593Smuzhiyun };
93*4882a593Smuzhiyun module_bcma_driver(iproc_pcie_bcma_driver);
94*4882a593Smuzhiyun
95*4882a593Smuzhiyun MODULE_AUTHOR("Hauke Mehrtens");
96*4882a593Smuzhiyun MODULE_DESCRIPTION("Broadcom iProc PCIe BCMA driver");
97*4882a593Smuzhiyun MODULE_LICENSE("GPL v2");
98