1/*
  2 * Copyright (C) 2015 Broadcom Corporation
  3 * Copyright (C) 2015 Hauke Mehrtens <hauke@hauke-m.de>
  4 *
  5 * This program is free software; you can redistribute it and/or
  6 * modify it under the terms of the GNU General Public License as
  7 * published by the Free Software Foundation version 2.
  8 *
  9 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
 10 * kind, whether express or implied; without even the implied warranty
 11 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 12 * GNU General Public License for more details.
 13 */
 14
 15#include <linux/kernel.h>
 16#include <linux/pci.h>
 17#include <linux/module.h>
 18#include <linux/slab.h>
 19#include <linux/phy/phy.h>
 20#include <linux/bcma/bcma.h>
 21#include <linux/ioport.h>
 22
 23#include "pcie-iproc.h"
 24
 25
 26/* NS: CLASS field is R/O, and set to wrong 0x200 value */
 27static void bcma_pcie2_fixup_class(struct pci_dev *dev)
 28{
 29	dev->class = PCI_CLASS_BRIDGE_PCI << 8;
 30}
 31DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, 0x8011, bcma_pcie2_fixup_class);
 32DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, 0x8012, bcma_pcie2_fixup_class);
 33
 34static int iproc_pcie_bcma_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 35{
 36	struct pci_sys_data *sys = dev->sysdata;
 37	struct iproc_pcie *pcie = sys->private_data;
 38	struct bcma_device *bdev = container_of(pcie->dev, struct bcma_device, dev);
 39
 40	return bcma_core_irq(bdev, 5);
 41}
 42
 43static int iproc_pcie_bcma_probe(struct bcma_device *bdev)
 44{
 45	struct iproc_pcie *pcie;
 46	LIST_HEAD(res);
 47	struct resource res_mem;
 48	int ret;
 49
 50	pcie = devm_kzalloc(&bdev->dev, sizeof(*pcie), GFP_KERNEL);
 51	if (!pcie)
 52		return -ENOMEM;
 53
 54	pcie->dev = &bdev->dev;
 55	bcma_set_drvdata(bdev, pcie);
 56
 57	pcie->base = bdev->io_addr;
 58	pcie->base_addr = bdev->addr;
 59
 60	res_mem.start = bdev->addr_s[0];
 61	res_mem.end = bdev->addr_s[0] + SZ_128M - 1;
 62	res_mem.name = "PCIe MEM space";
 63	res_mem.flags = IORESOURCE_MEM;
 64	pci_add_resource(&res, &res_mem);
 65
 66	pcie->map_irq = iproc_pcie_bcma_map_irq;
 67
 68	ret = iproc_pcie_setup(pcie, &res);
 69	if (ret)
 70		dev_err(pcie->dev, "PCIe controller setup failed\n");
 71
 72	pci_free_resource_list(&res);
 73
 74	return ret;
 75}
 76
 77static void iproc_pcie_bcma_remove(struct bcma_device *bdev)
 78{
 79	struct iproc_pcie *pcie = bcma_get_drvdata(bdev);
 80
 81	iproc_pcie_remove(pcie);
 82}
 83
 84static const struct bcma_device_id iproc_pcie_bcma_table[] = {
 85	BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_NS_PCIEG2, BCMA_ANY_REV, BCMA_ANY_CLASS),
 86	{},
 87};
 88MODULE_DEVICE_TABLE(bcma, iproc_pcie_bcma_table);
 89
 90static struct bcma_driver iproc_pcie_bcma_driver = {
 91	.name		= KBUILD_MODNAME,
 92	.id_table	= iproc_pcie_bcma_table,
 93	.probe		= iproc_pcie_bcma_probe,
 94	.remove		= iproc_pcie_bcma_remove,
 95};
 96
 97static int __init iproc_pcie_bcma_init(void)
 98{
 99	return bcma_driver_register(&iproc_pcie_bcma_driver);
100}
101module_init(iproc_pcie_bcma_init);
102
103static void __exit iproc_pcie_bcma_exit(void)
104{
105	bcma_driver_unregister(&iproc_pcie_bcma_driver);
106}
107module_exit(iproc_pcie_bcma_exit);
108
109MODULE_AUTHOR("Hauke Mehrtens");
110MODULE_DESCRIPTION("Broadcom iProc PCIe BCMA driver");
111MODULE_LICENSE("GPL v2");