Release 4.7 drivers/pci/host/pcie-iproc-bcma.c
/*
* Copyright (C) 2015 Broadcom Corporation
* Copyright (C) 2015 Hauke Mehrtens <hauke@hauke-m.de>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation version 2.
*
* This program is distributed "as is" WITHOUT ANY WARRANTY of any
* kind, whether express or implied; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#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 << 8;
}
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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_pcie_bcma_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
struct pci_sys_data *sys = dev->sysdata;
struct iproc_pcie *pcie = sys->private_data;
struct bcma_device *bdev = container_of(pcie->dev, struct bcma_device, dev);
return bcma_core_irq(bdev, 5);
}
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static int iproc_pcie_bcma_probe(struct bcma_device *bdev)
{
struct iproc_pcie *pcie;
LIST_HEAD(res);
struct resource res_mem;
int ret;
pcie = devm_kzalloc(&bdev->dev, sizeof(*pcie), GFP_KERNEL);
if (!pcie)
return -ENOMEM;
pcie->dev = &bdev->dev;
bcma_set_drvdata(bdev, pcie);
pcie->base = bdev->io_addr;
pcie->base_addr = bdev->addr;
res_mem.start = bdev->addr_s[0];
res_mem.end = bdev->addr_s[0] + SZ_128M - 1;
res_mem.name = "PCIe MEM space";
res_mem.flags = IORESOURCE_MEM;
pci_add_resource(&res, &res_mem);
pcie->map_irq = iproc_pcie_bcma_map_irq;
ret = iproc_pcie_setup(pcie, &res);
if (ret)
dev_err(pcie->dev, "PCIe controller setup failed\n");
pci_free_resource_list(&res);
return ret;
}
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static void iproc_pcie_bcma_remove(struct bcma_device *bdev)
{
struct iproc_pcie *pcie = bcma_get_drvdata(bdev);
iproc_pcie_remove(pcie);
}
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static const struct bcma_device_id iproc_pcie_bcma_table[] = {
BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_NS_PCIEG2, BCMA_ANY_REV, BCMA_ANY_CLASS),
{},
};
MODULE_DEVICE_TABLE(bcma, iproc_pcie_bcma_table);
static struct bcma_driver iproc_pcie_bcma_driver = {
.name = KBUILD_MODNAME,
.id_table = iproc_pcie_bcma_table,
.probe = iproc_pcie_bcma_probe,
.remove = iproc_pcie_bcma_remove,
};
static int __init iproc_pcie_bcma_init(void)
{
return bcma_driver_register(&iproc_pcie_bcma_driver);
}
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module_init(iproc_pcie_bcma_init);
static void __exit iproc_pcie_bcma_exit(void)
{
bcma_driver_unregister(&iproc_pcie_bcma_driver);
}
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module_exit(iproc_pcie_bcma_exit);
MODULE_AUTHOR("Hauke Mehrtens");
MODULE_DESCRIPTION("Broadcom iProc PCIe BCMA driver");
MODULE_LICENSE("GPL v2");
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