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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; | |
3bc2b234 | 58 | pcie->base_addr = bdev->addr; |
4785ffbd HM |
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 | ||
4785ffbd HM |
66 | pcie->map_irq = iproc_pcie_bcma_map_irq; |
67 | ||
18c4342a | 68 | ret = iproc_pcie_setup(pcie, &res); |
ef07991a | 69 | if (ret) |
4785ffbd | 70 | dev_err(pcie->dev, "PCIe controller setup failed\n"); |
4785ffbd | 71 | |
ef07991a HM |
72 | pci_free_resource_list(&res); |
73 | ||
74 | return ret; | |
4785ffbd HM |
75 | } |
76 | ||
77 | static 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 | ||
84 | static 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 | }; | |
88 | MODULE_DEVICE_TABLE(bcma, iproc_pcie_bcma_table); | |
89 | ||
90 | static 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 | ||
97 | static int __init iproc_pcie_bcma_init(void) | |
98 | { | |
99 | return bcma_driver_register(&iproc_pcie_bcma_driver); | |
100 | } | |
101 | module_init(iproc_pcie_bcma_init); | |
102 | ||
103 | static void __exit iproc_pcie_bcma_exit(void) | |
104 | { | |
105 | bcma_driver_unregister(&iproc_pcie_bcma_driver); | |
106 | } | |
107 | module_exit(iproc_pcie_bcma_exit); | |
108 | ||
109 | MODULE_AUTHOR("Hauke Mehrtens"); | |
110 | MODULE_DESCRIPTION("Broadcom iProc PCIe BCMA driver"); | |
111 | MODULE_LICENSE("GPL v2"); |