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https://github.com/brain-hackers/u-boot-brain
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21ccce1ba5
Most driver model PCI functions have a dm_ prefix. At some point, when the old code is converted to driver model and the old functions are removed, we will drop that prefix. For consistency, we should use the dm_ prefix for all driver model functions. Update pci_get_bdf() accordingly. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
132 lines
2.8 KiB
C
132 lines
2.8 KiB
C
/*-
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* Copyright (c) 2007-2008, Juniper Networks, Inc.
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* All rights reserved.
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*
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* SPDX-License-Identifier: GPL-2.0
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*/
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#include <common.h>
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#include <dm.h>
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#include <errno.h>
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#include <pci.h>
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#include <usb.h>
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#include "ehci.h"
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/* Information about a USB port */
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struct ehci_pci_priv {
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struct ehci_ctrl ehci;
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};
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static void ehci_pci_common_init(pci_dev_t pdev, struct ehci_hccr **ret_hccr,
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struct ehci_hcor **ret_hcor)
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{
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struct ehci_hccr *hccr;
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struct ehci_hcor *hcor;
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uint32_t cmd;
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hccr = (struct ehci_hccr *)pci_map_bar(pdev,
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PCI_BASE_ADDRESS_0, PCI_REGION_MEM);
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hcor = (struct ehci_hcor *)((uint32_t) hccr +
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HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
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debug("EHCI-PCI init hccr 0x%x and hcor 0x%x hc_length %d\n",
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(uint32_t)hccr, (uint32_t)hcor,
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(uint32_t)HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
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*ret_hccr = hccr;
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*ret_hcor = hcor;
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/* enable busmaster */
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pci_read_config_dword(pdev, PCI_COMMAND, &cmd);
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cmd |= PCI_COMMAND_MASTER;
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pci_write_config_dword(pdev, PCI_COMMAND, cmd);
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}
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#ifndef CONFIG_DM_USB
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#ifdef CONFIG_PCI_EHCI_DEVICE
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static struct pci_device_id ehci_pci_ids[] = {
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/* Please add supported PCI EHCI controller ids here */
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{0x1033, 0x00E0}, /* NEC */
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{0x10B9, 0x5239}, /* ULI1575 PCI EHCI module ids */
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{0x12D8, 0x400F}, /* Pericom */
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{0, 0}
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};
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#endif
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/*
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* Create the appropriate control structures to manage
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* a new EHCI host controller.
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*/
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int ehci_hcd_init(int index, enum usb_init_type init,
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struct ehci_hccr **ret_hccr, struct ehci_hcor **ret_hcor)
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{
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pci_dev_t pdev;
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#ifdef CONFIG_PCI_EHCI_DEVICE
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pdev = pci_find_devices(ehci_pci_ids, CONFIG_PCI_EHCI_DEVICE);
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#else
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pdev = pci_find_class(PCI_CLASS_SERIAL_USB_EHCI, index);
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#endif
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if (pdev < 0) {
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printf("EHCI host controller not found\n");
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return -1;
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}
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ehci_pci_common_init(pdev, ret_hccr, ret_hcor);
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return 0;
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}
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/*
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* Destroy the appropriate control structures corresponding
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* the the EHCI host controller.
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*/
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int ehci_hcd_stop(int index)
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{
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return 0;
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}
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#endif /* nCONFIG_DM_USB */
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#ifdef CONFIG_DM_USB
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static int ehci_pci_probe(struct udevice *dev)
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{
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struct ehci_hccr *hccr;
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struct ehci_hcor *hcor;
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ehci_pci_common_init(dm_pci_get_bdf(dev), &hccr, &hcor);
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return ehci_register(dev, hccr, hcor, NULL, 0, USB_INIT_HOST);
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}
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static int ehci_pci_remove(struct udevice *dev)
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{
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int ret;
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ret = ehci_deregister(dev);
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if (ret)
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return ret;
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return 0;
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}
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U_BOOT_DRIVER(ehci_pci) = {
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.name = "ehci_pci",
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.id = UCLASS_USB,
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.probe = ehci_pci_probe,
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.remove = ehci_pci_remove,
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.ops = &ehci_usb_ops,
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.platdata_auto_alloc_size = sizeof(struct usb_platdata),
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.priv_auto_alloc_size = sizeof(struct ehci_pci_priv),
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.flags = DM_FLAG_ALLOC_PRIV_DMA,
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};
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static struct pci_device_id ehci_pci_supported[] = {
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{ PCI_DEVICE_CLASS(PCI_CLASS_SERIAL_USB_EHCI, ~0) },
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{},
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};
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U_BOOT_PCI_DEVICE(ehci_pci, ehci_pci_supported);
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#endif /* CONFIG_DM_USB */
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