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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 | { | |
786aeccb | 45 | struct device *dev = &bdev->dev; |
4785ffbd | 46 | struct iproc_pcie *pcie; |
6e347b5e | 47 | LIST_HEAD(resources); |
52774076 | 48 | struct pci_host_bridge *bridge; |
4785ffbd HM |
49 | int ret; |
50 | ||
52774076 LP |
51 | bridge = devm_pci_alloc_host_bridge(dev, sizeof(*pcie)); |
52 | if (!bridge) | |
4785ffbd HM |
53 | return -ENOMEM; |
54 | ||
52774076 LP |
55 | pcie = pci_host_bridge_priv(bridge); |
56 | ||
786aeccb | 57 | pcie->dev = dev; |
4785ffbd | 58 | |
404349c5 | 59 | pcie->type = IPROC_PCIE_PAXB_BCMA; |
4785ffbd | 60 | pcie->base = bdev->io_addr; |
f66e5b29 BH |
61 | if (!pcie->base) { |
62 | dev_err(dev, "no controller registers\n"); | |
63 | return -ENOMEM; | |
64 | } | |
65 | ||
3bc2b234 | 66 | pcie->base_addr = bdev->addr; |
4785ffbd | 67 | |
6e347b5e BH |
68 | pcie->mem.start = bdev->addr_s[0]; |
69 | pcie->mem.end = bdev->addr_s[0] + SZ_128M - 1; | |
70 | pcie->mem.name = "PCIe MEM space"; | |
71 | pcie->mem.flags = IORESOURCE_MEM; | |
72 | pci_add_resource(&resources, &pcie->mem); | |
4785ffbd | 73 | |
4785ffbd HM |
74 | pcie->map_irq = iproc_pcie_bcma_map_irq; |
75 | ||
6e347b5e BH |
76 | ret = iproc_pcie_setup(pcie, &resources); |
77 | if (ret) { | |
786aeccb | 78 | dev_err(dev, "PCIe controller setup failed\n"); |
6e347b5e BH |
79 | pci_free_resource_list(&resources); |
80 | return ret; | |
81 | } | |
ef07991a | 82 | |
556c7bb7 | 83 | bcma_set_drvdata(bdev, pcie); |
6e347b5e | 84 | return 0; |
4785ffbd HM |
85 | } |
86 | ||
87 | static void iproc_pcie_bcma_remove(struct bcma_device *bdev) | |
88 | { | |
89 | struct iproc_pcie *pcie = bcma_get_drvdata(bdev); | |
90 | ||
91 | iproc_pcie_remove(pcie); | |
92 | } | |
93 | ||
94 | static const struct bcma_device_id iproc_pcie_bcma_table[] = { | |
95 | BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_NS_PCIEG2, BCMA_ANY_REV, BCMA_ANY_CLASS), | |
96 | {}, | |
97 | }; | |
98 | MODULE_DEVICE_TABLE(bcma, iproc_pcie_bcma_table); | |
99 | ||
100 | static struct bcma_driver iproc_pcie_bcma_driver = { | |
101 | .name = KBUILD_MODNAME, | |
102 | .id_table = iproc_pcie_bcma_table, | |
103 | .probe = iproc_pcie_bcma_probe, | |
104 | .remove = iproc_pcie_bcma_remove, | |
105 | }; | |
106 | ||
107 | static int __init iproc_pcie_bcma_init(void) | |
108 | { | |
109 | return bcma_driver_register(&iproc_pcie_bcma_driver); | |
110 | } | |
111 | module_init(iproc_pcie_bcma_init); | |
112 | ||
113 | static void __exit iproc_pcie_bcma_exit(void) | |
114 | { | |
115 | bcma_driver_unregister(&iproc_pcie_bcma_driver); | |
116 | } | |
117 | module_exit(iproc_pcie_bcma_exit); | |
118 | ||
119 | MODULE_AUTHOR("Hauke Mehrtens"); | |
120 | MODULE_DESCRIPTION("Broadcom iProc PCIe BCMA driver"); | |
121 | MODULE_LICENSE("GPL v2"); |