2 * Copyright (C) 2015 Broadcom Corporation
3 * Copyright (C) 2015 Hauke Mehrtens <hauke@hauke-m.de>
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.
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.
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>
23 #include "pcie-iproc.h"
26 /* NS: CLASS field is R/O, and set to wrong 0x200 value */
27 static void bcma_pcie2_fixup_class(struct pci_dev
*dev
)
29 dev
->class = PCI_CLASS_BRIDGE_PCI
<< 8;
31 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM
, 0x8011, bcma_pcie2_fixup_class
);
32 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM
, 0x8012, bcma_pcie2_fixup_class
);
34 static int iproc_pcie_bcma_map_irq(const struct pci_dev
*dev
, u8 slot
, u8 pin
)
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
);
40 return bcma_core_irq(bdev
, 5);
43 static int iproc_pcie_bcma_probe(struct bcma_device
*bdev
)
45 struct device
*dev
= &bdev
->dev
;
46 struct iproc_pcie
*pcie
;
50 pcie
= devm_kzalloc(dev
, sizeof(*pcie
), GFP_KERNEL
);
56 pcie
->type
= IPROC_PCIE_PAXB_BCMA
;
57 pcie
->base
= bdev
->io_addr
;
59 dev_err(dev
, "no controller registers\n");
63 pcie
->base_addr
= bdev
->addr
;
65 pcie
->mem
.start
= bdev
->addr_s
[0];
66 pcie
->mem
.end
= bdev
->addr_s
[0] + SZ_128M
- 1;
67 pcie
->mem
.name
= "PCIe MEM space";
68 pcie
->mem
.flags
= IORESOURCE_MEM
;
69 pci_add_resource(&resources
, &pcie
->mem
);
71 pcie
->map_irq
= iproc_pcie_bcma_map_irq
;
73 ret
= iproc_pcie_setup(pcie
, &resources
);
75 dev_err(dev
, "PCIe controller setup failed\n");
76 pci_free_resource_list(&resources
);
80 bcma_set_drvdata(bdev
, pcie
);
84 static void iproc_pcie_bcma_remove(struct bcma_device
*bdev
)
86 struct iproc_pcie
*pcie
= bcma_get_drvdata(bdev
);
88 iproc_pcie_remove(pcie
);
91 static const struct bcma_device_id iproc_pcie_bcma_table
[] = {
92 BCMA_CORE(BCMA_MANUF_BCM
, BCMA_CORE_NS_PCIEG2
, BCMA_ANY_REV
, BCMA_ANY_CLASS
),
95 MODULE_DEVICE_TABLE(bcma
, iproc_pcie_bcma_table
);
97 static struct bcma_driver iproc_pcie_bcma_driver
= {
98 .name
= KBUILD_MODNAME
,
99 .id_table
= iproc_pcie_bcma_table
,
100 .probe
= iproc_pcie_bcma_probe
,
101 .remove
= iproc_pcie_bcma_remove
,
104 static int __init
iproc_pcie_bcma_init(void)
106 return bcma_driver_register(&iproc_pcie_bcma_driver
);
108 module_init(iproc_pcie_bcma_init
);
110 static void __exit
iproc_pcie_bcma_exit(void)
112 bcma_driver_unregister(&iproc_pcie_bcma_driver
);
114 module_exit(iproc_pcie_bcma_exit
);
116 MODULE_AUTHOR("Hauke Mehrtens");
117 MODULE_DESCRIPTION("Broadcom iProc PCIe BCMA driver");
118 MODULE_LICENSE("GPL v2");