projects / J-u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 8fea2914 MT |
1 | /*- |
| 2 | * Copyright (c) 2007-2008, Juniper Networks, Inc. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| e62b5266 | 5 | * SPDX-License-Identifier: GPL-2.0 |
| 8fea2914 MT |
6 | */ |
| 7 | ||
| 8 | #include <common.h> | |
| 2b53b078 | 9 | #include <dm.h> |
| 7c38e90a | 10 | #include <errno.h> |
| 8fea2914 MT |
11 | #include <pci.h> |
| 12 | #include <usb.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; | |
| 19 | }; | |
| 20 | ||
| 21 | static void ehci_pci_common_init(pci_dev_t pdev, struct ehci_hccr **ret_hccr, | |
| 22 | struct ehci_hcor **ret_hcor) | |
| 23 | { | |
| 24 | struct ehci_hccr *hccr; | |
| 25 | struct ehci_hcor *hcor; | |
| 26 | uint32_t cmd; | |
| 27 | ||
| 28 | hccr = (struct ehci_hccr *)pci_map_bar(pdev, | |
| 29 | PCI_BASE_ADDRESS_0, PCI_REGION_MEM); | |
| 30 | hcor = (struct ehci_hcor *)((uint32_t) hccr + | |
| 31 | HC_LENGTH(ehci_readl(&hccr->cr_capbase))); | |
| 32 | ||
| 33 | debug("EHCI-PCI init hccr 0x%x and hcor 0x%x hc_length %d\n", | |
| 34 | (uint32_t)hccr, (uint32_t)hcor, | |
| 35 | (uint32_t)HC_LENGTH(ehci_readl(&hccr->cr_capbase))); | |
| 36 | ||
| 37 | *ret_hccr = hccr; | |
| 38 | *ret_hcor = hcor; | |
| 39 | ||
| 40 | /* enable busmaster */ | |
| 41 | pci_read_config_dword(pdev, PCI_COMMAND, &cmd); | |
| 42 | cmd |= PCI_COMMAND_MASTER; | |
| 43 | pci_write_config_dword(pdev, PCI_COMMAND, cmd); | |
| 44 | } | |
| 45 | ||
| 46 | #ifndef CONFIG_DM_USB | |
| 47 | ||
| 8fea2914 MT |
48 | #ifdef CONFIG_PCI_EHCI_DEVICE |
| 49 | static struct pci_device_id ehci_pci_ids[] = { | |
| 50 | /* Please add supported PCI EHCI controller ids here */ | |
| 0a5f7e1b | 51 | {0x1033, 0x00E0}, /* NEC */ |
| 4db2fa7f | 52 | {0x10B9, 0x5239}, /* ULI1575 PCI EHCI module ids */ |
| 0a5f7e1b | 53 | {0x12D8, 0x400F}, /* Pericom */ |
| 8fea2914 MT |
54 | {0, 0} |
| 55 | }; | |
| 56 | #endif | |
| 57 | ||
| 58 | /* | |
| 59 | * Create the appropriate control structures to manage | |
| 60 | * a new EHCI host controller. | |
| 61 | */ | |
| 127efc4f TK |
62 | int ehci_hcd_init(int index, enum usb_init_type init, |
| 63 | struct ehci_hccr **ret_hccr, struct ehci_hcor **ret_hcor) | |
| 8fea2914 MT |
64 | { |
| 65 | pci_dev_t pdev; | |
| 8fea2914 | 66 | |
| 7c38e90a | 67 | #ifdef CONFIG_PCI_EHCI_DEVICE |
| 8fea2914 | 68 | pdev = pci_find_devices(ehci_pci_ids, CONFIG_PCI_EHCI_DEVICE); |
| 7c38e90a | 69 | #else |
| 4fd46727 | 70 | pdev = pci_find_class(PCI_CLASS_SERIAL_USB_EHCI, index); |
| 7c38e90a VP |
71 | #endif |
| 72 | if (pdev < 0) { | |
| 8fea2914 MT |
73 | printf("EHCI host controller not found\n"); |
| 74 | return -1; | |
| 75 | } | |
| 2b53b078 | 76 | ehci_pci_common_init(pdev, ret_hccr, ret_hcor); |
| 8fea2914 | 77 | |
| 8fea2914 MT |
78 | return 0; |
| 79 | } | |
| 80 | ||
| 81 | /* | |
| 82 | * Destroy the appropriate control structures corresponding | |
| 83 | * the the EHCI host controller. | |
| 84 | */ | |
| 676ae068 | 85 | int ehci_hcd_stop(int index) |
| 8fea2914 MT |
86 | { |
| 87 | return 0; | |
| 88 | } | |
| 2b53b078 SG |
89 | #endif /* nCONFIG_DM_USB */ |
| 90 | ||
| 91 | #ifdef CONFIG_DM_USB | |
| 92 | static int ehci_pci_probe(struct udevice *dev) | |
| 93 | { | |
| 94 | struct ehci_hccr *hccr; | |
| 95 | struct ehci_hcor *hcor; | |
| 96 | ||
| 21ccce1b | 97 | ehci_pci_common_init(dm_pci_get_bdf(dev), &hccr, &hcor); |
| 2b53b078 SG |
98 | |
| 99 | return ehci_register(dev, hccr, hcor, NULL, 0, USB_INIT_HOST); | |
| 100 | } | |
| 101 | ||
| 102 | static int ehci_pci_remove(struct udevice *dev) | |
| 103 | { | |
| 104 | int ret; | |
| 105 | ||
| 106 | ret = ehci_deregister(dev); | |
| 107 | if (ret) | |
| 108 | return ret; | |
| 109 | ||
| 110 | return 0; | |
| 111 | } | |
| 112 | ||
| 113 | U_BOOT_DRIVER(ehci_pci) = { | |
| 114 | .name = "ehci_pci", | |
| 115 | .id = UCLASS_USB, | |
| 116 | .probe = ehci_pci_probe, | |
| 117 | .remove = ehci_pci_remove, | |
| 118 | .ops = &ehci_usb_ops, | |
| 119 | .platdata_auto_alloc_size = sizeof(struct usb_platdata), | |
| 120 | .priv_auto_alloc_size = sizeof(struct ehci_pci_priv), | |
| 121 | .flags = DM_FLAG_ALLOC_PRIV_DMA, | |
| 122 | }; | |
| 123 | ||
| 124 | static struct pci_device_id ehci_pci_supported[] = { | |
| 125 | { PCI_DEVICE_CLASS(PCI_CLASS_SERIAL_USB_EHCI, ~0) }, | |
| 126 | {}, | |
| 127 | }; | |
| 128 | ||
| 129 | U_BOOT_PCI_DEVICE(ehci_pci, ehci_pci_supported); | |
| 130 | ||
| 131 | #endif /* CONFIG_DM_USB */ |