Michael Trimarchi | ebc8300 | 2008-12-31 10:32:41 +0100 | [diff] [blame] | 1 | /*- |
| 2 | * Copyright (c) 2007-2008, Juniper Networks, Inc. |
| 3 | * All rights reserved. |
| 4 | * |
Simon Glass | 1b2e365 | 2015-07-06 16:47:42 -0600 | [diff] [blame] | 5 | * SPDX-License-Identifier: GPL-2.0 |
Michael Trimarchi | ebc8300 | 2008-12-31 10:32:41 +0100 | [diff] [blame] | 6 | */ |
| 7 | |
| 8 | #include <common.h> |
Simon Glass | d0065dd | 2015-07-06 16:47:53 -0600 | [diff] [blame] | 9 | #include <dm.h> |
Vincent Palatin | 8d45289 | 2012-12-13 22:58:27 -0800 | [diff] [blame] | 10 | #include <errno.h> |
Michael Trimarchi | ebc8300 | 2008-12-31 10:32:41 +0100 | [diff] [blame] | 11 | #include <pci.h> |
| 12 | #include <usb.h> |
Jean-Christophe PLAGNIOL-VILLARD | 8f6bcf4 | 2009-04-03 12:46:58 +0200 | [diff] [blame] | 13 | |
| 14 | #include "ehci.h" |
Michael Trimarchi | ebc8300 | 2008-12-31 10:32:41 +0100 | [diff] [blame] | 15 | |
Simon Glass | d0065dd | 2015-07-06 16:47:53 -0600 | [diff] [blame] | 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 | |
Michael Trimarchi | ebc8300 | 2008-12-31 10:32:41 +0100 | [diff] [blame] | 48 | #ifdef CONFIG_PCI_EHCI_DEVICE |
| 49 | static struct pci_device_id ehci_pci_ids[] = { |
| 50 | /* Please add supported PCI EHCI controller ids here */ |
Trübenbach, Ralf | d2c9188 | 2011-03-31 16:46:47 +0000 | [diff] [blame] | 51 | {0x1033, 0x00E0}, /* NEC */ |
Wolfgang Denk | e936628 | 2011-04-05 12:24:20 +0200 | [diff] [blame] | 52 | {0x10B9, 0x5239}, /* ULI1575 PCI EHCI module ids */ |
Trübenbach, Ralf | d2c9188 | 2011-03-31 16:46:47 +0000 | [diff] [blame] | 53 | {0x12D8, 0x400F}, /* Pericom */ |
Michael Trimarchi | ebc8300 | 2008-12-31 10:32:41 +0100 | [diff] [blame] | 54 | {0, 0} |
| 55 | }; |
| 56 | #endif |
| 57 | |
| 58 | /* |
| 59 | * Create the appropriate control structures to manage |
| 60 | * a new EHCI host controller. |
| 61 | */ |
Troy Kisky | 7d6bbb9 | 2013-10-10 15:27:57 -0700 | [diff] [blame] | 62 | int ehci_hcd_init(int index, enum usb_init_type init, |
| 63 | struct ehci_hccr **ret_hccr, struct ehci_hcor **ret_hcor) |
Michael Trimarchi | ebc8300 | 2008-12-31 10:32:41 +0100 | [diff] [blame] | 64 | { |
| 65 | pci_dev_t pdev; |
Michael Trimarchi | ebc8300 | 2008-12-31 10:32:41 +0100 | [diff] [blame] | 66 | |
Vincent Palatin | 8d45289 | 2012-12-13 22:58:27 -0800 | [diff] [blame] | 67 | #ifdef CONFIG_PCI_EHCI_DEVICE |
Michael Trimarchi | ebc8300 | 2008-12-31 10:32:41 +0100 | [diff] [blame] | 68 | pdev = pci_find_devices(ehci_pci_ids, CONFIG_PCI_EHCI_DEVICE); |
Vincent Palatin | 8d45289 | 2012-12-13 22:58:27 -0800 | [diff] [blame] | 69 | #else |
Simon Glass | eeb1d28 | 2015-01-27 22:13:30 -0700 | [diff] [blame] | 70 | pdev = pci_find_class(PCI_CLASS_SERIAL_USB_EHCI, index); |
Vincent Palatin | 8d45289 | 2012-12-13 22:58:27 -0800 | [diff] [blame] | 71 | #endif |
| 72 | if (pdev < 0) { |
Michael Trimarchi | ebc8300 | 2008-12-31 10:32:41 +0100 | [diff] [blame] | 73 | printf("EHCI host controller not found\n"); |
| 74 | return -1; |
| 75 | } |
Simon Glass | d0065dd | 2015-07-06 16:47:53 -0600 | [diff] [blame] | 76 | ehci_pci_common_init(pdev, ret_hccr, ret_hcor); |
Michael Trimarchi | ebc8300 | 2008-12-31 10:32:41 +0100 | [diff] [blame] | 77 | |
Michael Trimarchi | ebc8300 | 2008-12-31 10:32:41 +0100 | [diff] [blame] | 78 | return 0; |
| 79 | } |
| 80 | |
| 81 | /* |
| 82 | * Destroy the appropriate control structures corresponding |
| 83 | * the the EHCI host controller. |
| 84 | */ |
Lucas Stach | 3494a4c | 2012-09-26 00:14:35 +0200 | [diff] [blame] | 85 | int ehci_hcd_stop(int index) |
Michael Trimarchi | ebc8300 | 2008-12-31 10:32:41 +0100 | [diff] [blame] | 86 | { |
Simon Glass | d0065dd | 2015-07-06 16:47:53 -0600 | [diff] [blame] | 87 | return 0; |
| 88 | } |
| 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 | |
| 97 | ehci_pci_common_init(pci_get_bdf(dev), &hccr, &hcor); |
| 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 | |
Michael Trimarchi | ebc8300 | 2008-12-31 10:32:41 +0100 | [diff] [blame] | 110 | return 0; |
| 111 | } |
Simon Glass | d0065dd | 2015-07-06 16:47:53 -0600 | [diff] [blame] | 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 */ |