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83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0 |
8fea2914 MT |
2 | /*- |
3 | * Copyright (c) 2007-2008, Juniper Networks, Inc. | |
4 | * All rights reserved. | |
8fea2914 MT |
5 | */ |
6 | ||
7 | #include <common.h> | |
2b53b078 | 8 | #include <dm.h> |
7c38e90a | 9 | #include <errno.h> |
8fea2914 MT |
10 | #include <pci.h> |
11 | #include <usb.h> | |
2cb7b900 | 12 | #include <asm/io.h> |
2731b9a8 JCPV |
13 | |
14 | #include "ehci.h" | |
8fea2914 | 15 | |
2b53b078 SG |
16 | /* Information about a USB port */ |
17 | struct ehci_pci_priv { | |
18 | struct ehci_ctrl ehci; | |
1335e774 | 19 | struct phy phy; |
2b53b078 SG |
20 | }; |
21 | ||
fd09c205 | 22 | #if CONFIG_IS_ENABLED(DM_USB) |
1335e774 | 23 | static int ehci_pci_init(struct udevice *dev, struct ehci_hccr **ret_hccr, |
09c5c164 | 24 | struct ehci_hcor **ret_hcor) |
2b53b078 | 25 | { |
1335e774 | 26 | struct ehci_pci_priv *priv = dev_get_priv(dev); |
2b53b078 SG |
27 | struct ehci_hccr *hccr; |
28 | struct ehci_hcor *hcor; | |
1335e774 | 29 | int ret; |
09c5c164 | 30 | u32 cmd; |
2b53b078 | 31 | |
1335e774 MV |
32 | ret = ehci_setup_phy(dev, &priv->phy, 0); |
33 | if (ret) | |
34 | return ret; | |
35 | ||
09c5c164 | 36 | hccr = (struct ehci_hccr *)dm_pci_map_bar(dev, |
2b53b078 | 37 | PCI_BASE_ADDRESS_0, PCI_REGION_MEM); |
09c5c164 | 38 | hcor = (struct ehci_hcor *)((uintptr_t) hccr + |
2b53b078 SG |
39 | HC_LENGTH(ehci_readl(&hccr->cr_capbase))); |
40 | ||
b11e2984 SG |
41 | debug("EHCI-PCI init hccr %#lx and hcor %#lx hc_length %d\n", |
42 | (ulong)hccr, (ulong)hcor, | |
09c5c164 | 43 | (u32)HC_LENGTH(ehci_readl(&hccr->cr_capbase))); |
2b53b078 SG |
44 | |
45 | *ret_hccr = hccr; | |
46 | *ret_hcor = hcor; | |
47 | ||
48 | /* enable busmaster */ | |
09c5c164 | 49 | dm_pci_read_config32(dev, PCI_COMMAND, &cmd); |
2b53b078 | 50 | cmd |= PCI_COMMAND_MASTER; |
09c5c164 | 51 | dm_pci_write_config32(dev, PCI_COMMAND, cmd); |
1335e774 MV |
52 | |
53 | return 0; | |
2b53b078 SG |
54 | } |
55 | ||
09c5c164 | 56 | #else |
2b53b078 | 57 | |
8fea2914 MT |
58 | #ifdef CONFIG_PCI_EHCI_DEVICE |
59 | static struct pci_device_id ehci_pci_ids[] = { | |
60 | /* Please add supported PCI EHCI controller ids here */ | |
0a5f7e1b | 61 | {0x1033, 0x00E0}, /* NEC */ |
4db2fa7f | 62 | {0x10B9, 0x5239}, /* ULI1575 PCI EHCI module ids */ |
0a5f7e1b | 63 | {0x12D8, 0x400F}, /* Pericom */ |
8fea2914 MT |
64 | {0, 0} |
65 | }; | |
66 | #endif | |
67 | ||
09c5c164 SG |
68 | static void ehci_pci_legacy_init(pci_dev_t pdev, struct ehci_hccr **ret_hccr, |
69 | struct ehci_hcor **ret_hcor) | |
70 | { | |
71 | struct ehci_hccr *hccr; | |
72 | struct ehci_hcor *hcor; | |
73 | u32 cmd; | |
74 | ||
75 | hccr = (struct ehci_hccr *)pci_map_bar(pdev, | |
76 | PCI_BASE_ADDRESS_0, PCI_REGION_MEM); | |
77 | hcor = (struct ehci_hcor *)((uintptr_t) hccr + | |
78 | HC_LENGTH(ehci_readl(&hccr->cr_capbase))); | |
79 | ||
80 | debug("EHCI-PCI init hccr 0x%x and hcor 0x%x hc_length %d\n", | |
81 | (u32)hccr, (u32)hcor, | |
82 | (u32)HC_LENGTH(ehci_readl(&hccr->cr_capbase))); | |
83 | ||
84 | *ret_hccr = hccr; | |
85 | *ret_hcor = hcor; | |
86 | ||
87 | /* enable busmaster */ | |
88 | pci_read_config_dword(pdev, PCI_COMMAND, &cmd); | |
89 | cmd |= PCI_COMMAND_MASTER; | |
90 | pci_write_config_dword(pdev, PCI_COMMAND, cmd); | |
91 | } | |
92 | ||
8fea2914 MT |
93 | /* |
94 | * Create the appropriate control structures to manage | |
95 | * a new EHCI host controller. | |
96 | */ | |
127efc4f TK |
97 | int ehci_hcd_init(int index, enum usb_init_type init, |
98 | struct ehci_hccr **ret_hccr, struct ehci_hcor **ret_hcor) | |
8fea2914 MT |
99 | { |
100 | pci_dev_t pdev; | |
8fea2914 | 101 | |
7c38e90a | 102 | #ifdef CONFIG_PCI_EHCI_DEVICE |
8fea2914 | 103 | pdev = pci_find_devices(ehci_pci_ids, CONFIG_PCI_EHCI_DEVICE); |
7c38e90a | 104 | #else |
4fd46727 | 105 | pdev = pci_find_class(PCI_CLASS_SERIAL_USB_EHCI, index); |
7c38e90a VP |
106 | #endif |
107 | if (pdev < 0) { | |
8fea2914 MT |
108 | printf("EHCI host controller not found\n"); |
109 | return -1; | |
110 | } | |
09c5c164 | 111 | ehci_pci_legacy_init(pdev, ret_hccr, ret_hcor); |
8fea2914 | 112 | |
8fea2914 MT |
113 | return 0; |
114 | } | |
115 | ||
116 | /* | |
117 | * Destroy the appropriate control structures corresponding | |
118 | * the the EHCI host controller. | |
119 | */ | |
676ae068 | 120 | int ehci_hcd_stop(int index) |
8fea2914 MT |
121 | { |
122 | return 0; | |
123 | } | |
fd09c205 | 124 | #endif /* !CONFIG_IS_ENABLED(DM_USB) */ |
2b53b078 | 125 | |
fd09c205 | 126 | #if CONFIG_IS_ENABLED(DM_USB) |
2b53b078 SG |
127 | static int ehci_pci_probe(struct udevice *dev) |
128 | { | |
129 | struct ehci_hccr *hccr; | |
130 | struct ehci_hcor *hcor; | |
1335e774 | 131 | int ret; |
2b53b078 | 132 | |
1335e774 MV |
133 | ret = ehci_pci_init(dev, &hccr, &hcor); |
134 | if (ret) | |
135 | return ret; | |
2b53b078 SG |
136 | |
137 | return ehci_register(dev, hccr, hcor, NULL, 0, USB_INIT_HOST); | |
138 | } | |
139 | ||
1335e774 MV |
140 | static int ehci_pci_remove(struct udevice *dev) |
141 | { | |
142 | struct ehci_pci_priv *priv = dev_get_priv(dev); | |
143 | int ret; | |
144 | ||
145 | ret = ehci_deregister(dev); | |
146 | if (ret) | |
147 | return ret; | |
148 | ||
149 | return ehci_shutdown_phy(dev, &priv->phy); | |
150 | } | |
151 | ||
907eed2c SG |
152 | static const struct udevice_id ehci_pci_ids[] = { |
153 | { .compatible = "ehci-pci" }, | |
154 | { } | |
155 | }; | |
156 | ||
2b53b078 SG |
157 | U_BOOT_DRIVER(ehci_pci) = { |
158 | .name = "ehci_pci", | |
159 | .id = UCLASS_USB, | |
160 | .probe = ehci_pci_probe, | |
1335e774 | 161 | .remove = ehci_pci_remove, |
907eed2c | 162 | .of_match = ehci_pci_ids, |
2b53b078 SG |
163 | .ops = &ehci_usb_ops, |
164 | .platdata_auto_alloc_size = sizeof(struct usb_platdata), | |
165 | .priv_auto_alloc_size = sizeof(struct ehci_pci_priv), | |
166 | .flags = DM_FLAG_ALLOC_PRIV_DMA, | |
167 | }; | |
168 | ||
169 | static struct pci_device_id ehci_pci_supported[] = { | |
170 | { PCI_DEVICE_CLASS(PCI_CLASS_SERIAL_USB_EHCI, ~0) }, | |
171 | {}, | |
172 | }; | |
173 | ||
174 | U_BOOT_PCI_DEVICE(ehci_pci, ehci_pci_supported); | |
175 | ||
fd09c205 | 176 | #endif /* CONFIG_IS_ENABLED(DM_USB) */ |