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4785ffbd HM |
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 */ | |
27 | static void bcma_pcie2_fixup_class(struct pci_dev *dev) | |
28 | { | |
29 | dev->class = PCI_CLASS_BRIDGE_PCI << 8; | |
30 | } | |
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); | |
33 | ||
34 | static 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 | ||
43 | static 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 | ||
59 | res_mem.start = bdev->addr_s[0]; | |
60 | res_mem.end = bdev->addr_s[0] + SZ_128M - 1; | |
61 | res_mem.name = "PCIe MEM space"; | |
62 | res_mem.flags = IORESOURCE_MEM; | |
63 | pci_add_resource(&res, &res_mem); | |
64 | ||
4785ffbd HM |
65 | pcie->map_irq = iproc_pcie_bcma_map_irq; |
66 | ||
18c4342a | 67 | ret = iproc_pcie_setup(pcie, &res); |
ef07991a | 68 | if (ret) |
4785ffbd | 69 | dev_err(pcie->dev, "PCIe controller setup failed\n"); |
4785ffbd | 70 | |
ef07991a HM |
71 | pci_free_resource_list(&res); |
72 | ||
73 | return ret; | |
4785ffbd HM |
74 | } |
75 | ||
76 | static void iproc_pcie_bcma_remove(struct bcma_device *bdev) | |
77 | { | |
78 | struct iproc_pcie *pcie = bcma_get_drvdata(bdev); | |
79 | ||
80 | iproc_pcie_remove(pcie); | |
81 | } | |
82 | ||
83 | static const struct bcma_device_id iproc_pcie_bcma_table[] = { | |
84 | BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_NS_PCIEG2, BCMA_ANY_REV, BCMA_ANY_CLASS), | |
85 | {}, | |
86 | }; | |
87 | MODULE_DEVICE_TABLE(bcma, iproc_pcie_bcma_table); | |
88 | ||
89 | static struct bcma_driver iproc_pcie_bcma_driver = { | |
90 | .name = KBUILD_MODNAME, | |
91 | .id_table = iproc_pcie_bcma_table, | |
92 | .probe = iproc_pcie_bcma_probe, | |
93 | .remove = iproc_pcie_bcma_remove, | |
94 | }; | |
95 | ||
96 | static int __init iproc_pcie_bcma_init(void) | |
97 | { | |
98 | return bcma_driver_register(&iproc_pcie_bcma_driver); | |
99 | } | |
100 | module_init(iproc_pcie_bcma_init); | |
101 | ||
102 | static void __exit iproc_pcie_bcma_exit(void) | |
103 | { | |
104 | bcma_driver_unregister(&iproc_pcie_bcma_driver); | |
105 | } | |
106 | module_exit(iproc_pcie_bcma_exit); | |
107 | ||
108 | MODULE_AUTHOR("Hauke Mehrtens"); | |
109 | MODULE_DESCRIPTION("Broadcom iProc PCIe BCMA driver"); | |
110 | MODULE_LICENSE("GPL v2"); |