mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-27 17:36:25 +07:00
9755449d56
This patch adds support for AMD Nolan (NL) FPGA and SoC platform. Cc: Jason Chang <jason.chang@amd.com> Signed-off-by: Huang Rui <ray.huang@amd.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
273 lines
6.3 KiB
C
273 lines
6.3 KiB
C
/**
|
|
* dwc3-pci.c - PCI Specific glue layer
|
|
*
|
|
* Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com
|
|
*
|
|
* Authors: Felipe Balbi <balbi@ti.com>,
|
|
* Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 of
|
|
* the License as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/module.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/pci.h>
|
|
#include <linux/platform_device.h>
|
|
|
|
#include <linux/usb/otg.h>
|
|
#include <linux/usb/usb_phy_generic.h>
|
|
|
|
#include "platform_data.h"
|
|
|
|
/* FIXME define these in <linux/pci_ids.h> */
|
|
#define PCI_VENDOR_ID_SYNOPSYS 0x16c3
|
|
#define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3 0xabcd
|
|
#define PCI_DEVICE_ID_INTEL_BYT 0x0f37
|
|
#define PCI_DEVICE_ID_INTEL_MRFLD 0x119e
|
|
#define PCI_DEVICE_ID_INTEL_BSW 0x22B7
|
|
|
|
struct dwc3_pci {
|
|
struct device *dev;
|
|
struct platform_device *dwc3;
|
|
struct platform_device *usb2_phy;
|
|
struct platform_device *usb3_phy;
|
|
};
|
|
|
|
static int dwc3_pci_register_phys(struct dwc3_pci *glue)
|
|
{
|
|
struct usb_phy_generic_platform_data pdata;
|
|
struct platform_device *pdev;
|
|
int ret;
|
|
|
|
memset(&pdata, 0x00, sizeof(pdata));
|
|
|
|
pdev = platform_device_alloc("usb_phy_generic", 0);
|
|
if (!pdev)
|
|
return -ENOMEM;
|
|
|
|
glue->usb2_phy = pdev;
|
|
pdata.type = USB_PHY_TYPE_USB2;
|
|
pdata.gpio_reset = -1;
|
|
|
|
ret = platform_device_add_data(glue->usb2_phy, &pdata, sizeof(pdata));
|
|
if (ret)
|
|
goto err1;
|
|
|
|
pdev = platform_device_alloc("usb_phy_generic", 1);
|
|
if (!pdev) {
|
|
ret = -ENOMEM;
|
|
goto err1;
|
|
}
|
|
|
|
glue->usb3_phy = pdev;
|
|
pdata.type = USB_PHY_TYPE_USB3;
|
|
|
|
ret = platform_device_add_data(glue->usb3_phy, &pdata, sizeof(pdata));
|
|
if (ret)
|
|
goto err2;
|
|
|
|
ret = platform_device_add(glue->usb2_phy);
|
|
if (ret)
|
|
goto err2;
|
|
|
|
ret = platform_device_add(glue->usb3_phy);
|
|
if (ret)
|
|
goto err3;
|
|
|
|
return 0;
|
|
|
|
err3:
|
|
platform_device_del(glue->usb2_phy);
|
|
|
|
err2:
|
|
platform_device_put(glue->usb3_phy);
|
|
|
|
err1:
|
|
platform_device_put(glue->usb2_phy);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int dwc3_pci_probe(struct pci_dev *pci,
|
|
const struct pci_device_id *id)
|
|
{
|
|
struct resource res[2];
|
|
struct platform_device *dwc3;
|
|
struct dwc3_pci *glue;
|
|
int ret;
|
|
struct device *dev = &pci->dev;
|
|
struct dwc3_platform_data dwc3_pdata;
|
|
|
|
memset(&dwc3_pdata, 0x00, sizeof(dwc3_pdata));
|
|
|
|
glue = devm_kzalloc(dev, sizeof(*glue), GFP_KERNEL);
|
|
if (!glue)
|
|
return -ENOMEM;
|
|
|
|
glue->dev = dev;
|
|
|
|
ret = pcim_enable_device(pci);
|
|
if (ret) {
|
|
dev_err(dev, "failed to enable pci device\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
pci_set_master(pci);
|
|
|
|
ret = dwc3_pci_register_phys(glue);
|
|
if (ret) {
|
|
dev_err(dev, "couldn't register PHYs\n");
|
|
return ret;
|
|
}
|
|
|
|
dwc3 = platform_device_alloc("dwc3", PLATFORM_DEVID_AUTO);
|
|
if (!dwc3) {
|
|
dev_err(dev, "couldn't allocate dwc3 device\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
memset(res, 0x00, sizeof(struct resource) * ARRAY_SIZE(res));
|
|
|
|
res[0].start = pci_resource_start(pci, 0);
|
|
res[0].end = pci_resource_end(pci, 0);
|
|
res[0].name = "dwc_usb3";
|
|
res[0].flags = IORESOURCE_MEM;
|
|
|
|
res[1].start = pci->irq;
|
|
res[1].name = "dwc_usb3";
|
|
res[1].flags = IORESOURCE_IRQ;
|
|
|
|
if (pci->vendor == PCI_VENDOR_ID_AMD &&
|
|
pci->device == PCI_DEVICE_ID_AMD_NL_USB) {
|
|
dwc3_pdata.has_lpm_erratum = true;
|
|
dwc3_pdata.lpm_nyet_threshold = 0xf;
|
|
|
|
dwc3_pdata.u2exit_lfps_quirk = true;
|
|
dwc3_pdata.u2ss_inp3_quirk = true;
|
|
dwc3_pdata.req_p1p2p3_quirk = true;
|
|
dwc3_pdata.del_p1p2p3_quirk = true;
|
|
dwc3_pdata.del_phy_power_chg_quirk = true;
|
|
dwc3_pdata.lfps_filter_quirk = true;
|
|
dwc3_pdata.rx_detect_poll_quirk = true;
|
|
|
|
dwc3_pdata.tx_de_emphasis_quirk = true;
|
|
dwc3_pdata.tx_de_emphasis = 1;
|
|
|
|
/*
|
|
* FIXME these quirks should be removed when AMD NL
|
|
* taps out
|
|
*/
|
|
dwc3_pdata.disable_scramble_quirk = true;
|
|
dwc3_pdata.dis_u3_susphy_quirk = true;
|
|
dwc3_pdata.dis_u2_susphy_quirk = true;
|
|
}
|
|
|
|
ret = platform_device_add_resources(dwc3, res, ARRAY_SIZE(res));
|
|
if (ret) {
|
|
dev_err(dev, "couldn't add resources to dwc3 device\n");
|
|
return ret;
|
|
}
|
|
|
|
pci_set_drvdata(pci, glue);
|
|
|
|
ret = platform_device_add_data(dwc3, &dwc3_pdata, sizeof(dwc3_pdata));
|
|
if (ret)
|
|
goto err3;
|
|
|
|
dma_set_coherent_mask(&dwc3->dev, dev->coherent_dma_mask);
|
|
|
|
dwc3->dev.dma_mask = dev->dma_mask;
|
|
dwc3->dev.dma_parms = dev->dma_parms;
|
|
dwc3->dev.parent = dev;
|
|
glue->dwc3 = dwc3;
|
|
|
|
ret = platform_device_add(dwc3);
|
|
if (ret) {
|
|
dev_err(dev, "failed to register dwc3 device\n");
|
|
goto err3;
|
|
}
|
|
|
|
return 0;
|
|
|
|
err3:
|
|
platform_device_put(dwc3);
|
|
return ret;
|
|
}
|
|
|
|
static void dwc3_pci_remove(struct pci_dev *pci)
|
|
{
|
|
struct dwc3_pci *glue = pci_get_drvdata(pci);
|
|
|
|
platform_device_unregister(glue->dwc3);
|
|
platform_device_unregister(glue->usb2_phy);
|
|
platform_device_unregister(glue->usb3_phy);
|
|
}
|
|
|
|
static const struct pci_device_id dwc3_pci_id_table[] = {
|
|
{
|
|
PCI_DEVICE(PCI_VENDOR_ID_SYNOPSYS,
|
|
PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3),
|
|
},
|
|
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BSW), },
|
|
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BYT), },
|
|
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_MRFLD), },
|
|
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_NL_USB), },
|
|
{ } /* Terminating Entry */
|
|
};
|
|
MODULE_DEVICE_TABLE(pci, dwc3_pci_id_table);
|
|
|
|
#ifdef CONFIG_PM_SLEEP
|
|
static int dwc3_pci_suspend(struct device *dev)
|
|
{
|
|
struct pci_dev *pci = to_pci_dev(dev);
|
|
|
|
pci_disable_device(pci);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int dwc3_pci_resume(struct device *dev)
|
|
{
|
|
struct pci_dev *pci = to_pci_dev(dev);
|
|
int ret;
|
|
|
|
ret = pci_enable_device(pci);
|
|
if (ret) {
|
|
dev_err(dev, "can't re-enable device --> %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
pci_set_master(pci);
|
|
|
|
return 0;
|
|
}
|
|
#endif /* CONFIG_PM_SLEEP */
|
|
|
|
static const struct dev_pm_ops dwc3_pci_dev_pm_ops = {
|
|
SET_SYSTEM_SLEEP_PM_OPS(dwc3_pci_suspend, dwc3_pci_resume)
|
|
};
|
|
|
|
static struct pci_driver dwc3_pci_driver = {
|
|
.name = "dwc3-pci",
|
|
.id_table = dwc3_pci_id_table,
|
|
.probe = dwc3_pci_probe,
|
|
.remove = dwc3_pci_remove,
|
|
.driver = {
|
|
.pm = &dwc3_pci_dev_pm_ops,
|
|
},
|
|
};
|
|
|
|
MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>");
|
|
MODULE_LICENSE("GPL v2");
|
|
MODULE_DESCRIPTION("DesignWare USB3 PCI Glue Layer");
|
|
|
|
module_pci_driver(dwc3_pci_driver);
|