usb: Drop unused ehci-faraday driver

This is not used. Drop the driver and Kconfig option.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2023-02-01 13:20:18 -07:00 committed by Tom Rini
parent 82803a60b1
commit 5eddad039b
5 changed files with 0 additions and 215 deletions

View file

@ -506,11 +506,6 @@ static int usb_scan_port(struct usb_device_scan *usb_scan)
if (portchange & USB_PORT_STAT_C_ENABLE) {
debug("port %d enable change, status %x\n", i + 1, portstatus);
usb_clear_port_feature(dev, i + 1, USB_PORT_FEAT_C_ENABLE);
/*
* The following hack causes a ghost device problem
* to Faraday EHCI
*/
#ifndef CONFIG_USB_EHCI_FARADAY
/*
* EM interference sometimes causes bad shielded USB
* devices to be shutdown by the hub, this hack enables
@ -523,7 +518,6 @@ static int usb_scan_port(struct usb_device_scan *usb_scan)
i + 1);
usb_hub_port_connect_change(dev, i);
}
#endif
}
if (portstatus & USB_PORT_STAT_SUSPEND) {

View file

@ -27,7 +27,6 @@ obj-$(CONFIG_USB_OHCI_NPCM) += ohci-npcm.o
obj-$(CONFIG_USB_EHCI_HCD) += ehci-hcd.o
obj-$(CONFIG_USB_EHCI_ATMEL) += ehci-atmel.o
obj-$(CONFIG_USB_EHCI_FSL) += ehci-fsl.o
obj-$(CONFIG_USB_EHCI_FARADAY) += ehci-faraday.o
obj-$(CONFIG_USB_EHCI_GENERIC) += ehci-generic.o
obj-$(CONFIG_USB_EHCI_EXYNOS) += ehci-exynos.o
obj-$(CONFIG_USB_EHCI_MXS) += ehci-mxs.o

View file

@ -1,144 +0,0 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Faraday USB 2.0 EHCI Controller
*
* (C) Copyright 2010 Faraday Technology
* Dante Su <dantesu@faraday-tech.com>
*/
#include <common.h>
#include <log.h>
#include <asm/io.h>
#include <usb.h>
#include <linux/delay.h>
#include <usb/fusbh200.h>
#include <usb/fotg210.h>
#include "ehci.h"
#ifndef CFG_USB_EHCI_BASE_LIST
#define CFG_USB_EHCI_BASE_LIST { CONFIG_USB_EHCI_BASE }
#endif
union ehci_faraday_regs {
struct fusbh200_regs usb;
struct fotg210_regs otg;
};
static inline int ehci_is_fotg2xx(union ehci_faraday_regs *regs)
{
return !readl(&regs->usb.easstr);
}
void faraday_ehci_set_usbmode(struct ehci_ctrl *ctrl)
{
/* nothing needs to be done */
}
int faraday_ehci_get_port_speed(struct ehci_ctrl *ctrl, uint32_t reg)
{
int spd, ret = PORTSC_PSPD_HS;
union ehci_faraday_regs *regs;
ret = (void __iomem *)((ulong)ctrl->hcor - 0x10);
if (ehci_is_fotg2xx(regs))
spd = OTGCSR_SPD(readl(&regs->otg.otgcsr));
else
spd = BMCSR_SPD(readl(&regs->usb.bmcsr));
switch (spd) {
case 0: /* full speed */
ret = PORTSC_PSPD_FS;
break;
case 1: /* low speed */
ret = PORTSC_PSPD_LS;
break;
case 2: /* high speed */
ret = PORTSC_PSPD_HS;
break;
default:
printf("ehci-faraday: invalid device speed\n");
break;
}
return ret;
}
uint32_t *faraday_ehci_get_portsc_register(struct ehci_ctrl *ctrl, int port)
{
/* Faraday EHCI has one and only one portsc register */
if (port) {
/* Printing the message would cause a scan failure! */
debug("The request port(%d) is not configured\n", port);
return NULL;
}
/* Faraday EHCI PORTSC register offset is 0x20 from hcor */
return (uint32_t *)((uint8_t *)ctrl->hcor + 0x20);
}
static const struct ehci_ops faraday_ehci_ops = {
.set_usb_mode = faraday_ehci_set_usbmode,
.get_port_speed = faraday_ehci_get_port_speed,
.get_portsc_register = faraday_ehci_get_portsc_register,
};
/*
* Create the appropriate control structures to manage
* a new EHCI host controller.
*/
int ehci_hcd_init(int index, enum usb_init_type init,
struct ehci_hccr **ret_hccr, struct ehci_hcor **ret_hcor)
{
struct ehci_hccr *hccr;
struct ehci_hcor *hcor;
union ehci_faraday_regs *regs;
uint32_t base_list[] = CFG_USB_EHCI_BASE_LIST;
if (index < 0 || index >= ARRAY_SIZE(base_list))
return -1;
ehci_set_controller_priv(index, NULL, &faraday_ehci_ops);
regs = (void __iomem *)base_list[index];
hccr = (struct ehci_hccr *)&regs->usb.hccr;
hcor = (struct ehci_hcor *)&regs->usb.hcor;
if (ehci_is_fotg2xx(regs)) {
/* A-device bus reset */
/* ... Power off A-device */
setbits_le32(&regs->otg.otgcsr, OTGCSR_A_BUSDROP);
/* ... Drop vbus and bus traffic */
clrbits_le32(&regs->otg.otgcsr, OTGCSR_A_BUSREQ);
mdelay(1);
/* ... Power on A-device */
clrbits_le32(&regs->otg.otgcsr, OTGCSR_A_BUSDROP);
/* ... Drive vbus and bus traffic */
setbits_le32(&regs->otg.otgcsr, OTGCSR_A_BUSREQ);
mdelay(1);
/* Disable OTG & DEV interrupts, triggered at level-high */
writel(IMR_IRQLH | IMR_OTG | IMR_DEV, &regs->otg.imr);
/* Clear all interrupt status */
writel(ISR_HOST | ISR_OTG | ISR_DEV, &regs->otg.isr);
} else {
/* Interrupt=level-high */
setbits_le32(&regs->usb.bmcsr, BMCSR_IRQLH);
/* VBUS on */
clrbits_le32(&regs->usb.bmcsr, BMCSR_VBUS_OFF);
/* Disable all interrupts */
writel(0x00, &regs->usb.bmier);
writel(0x1f, &regs->usb.bmisr);
}
*ret_hccr = hccr;
*ret_hcor = hcor;
return 0;
}
/*
* Destroy the appropriate control structures corresponding
* the the EHCI host controller.
*/
int ehci_hcd_stop(int index)
{
return 0;
}

View file

@ -705,12 +705,10 @@ ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
dev->act_len = length - QT_TOKEN_GET_TOTALBYTES(qhtoken);
} else {
dev->act_len = 0;
#ifndef CONFIG_USB_EHCI_FARADAY
debug("dev=%u, usbsts=%#x, p[1]=%#x, p[2]=%#x\n",
dev->devnum, ehci_readl(&ctrl->hcor->or_usbsts),
ehci_readl(&ctrl->hcor->or_portsc[0]),
ehci_readl(&ctrl->hcor->or_portsc[1]));
#endif
}
free(qtd);
@ -1189,9 +1187,6 @@ int usb_lowlevel_init(int index, enum usb_init_type init, void **controller)
rc = ehci_hcd_init(index, init, &ctrl->hccr, &ctrl->hcor);
if (rc)
return rc;
#endif
#ifdef CONFIG_USB_EHCI_FARADAY
tweaks |= EHCI_TWEAK_NO_INIT_CF;
#endif
rc = ehci_common_init(ctrl, tweaks);
if (rc)

View file

@ -1,59 +0,0 @@
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Faraday USB 2.0 EHCI Controller
*
* (C) Copyright 2010 Faraday Technology
* Dante Su <dantesu@faraday-tech.com>
*/
#ifndef _FUSBH200_H
#define _FUSBH200_H
struct fusbh200_regs {
struct {
uint32_t data[4];
} hccr; /* 0x00 - 0x0f: hccr */
struct {
uint32_t data[9];
} hcor; /* 0x10 - 0x33: hcor */
uint32_t easstr;/* 0x34: EOF&Async. Sched. Sleep Timer Register */
uint32_t rsvd[2];
uint32_t bmcsr; /* 0x40: Bus Monitor Control Status Register */
uint32_t bmisr; /* 0x44: Bus Monitor Interrupt Status Register */
uint32_t bmier; /* 0x48: Bus Monitor Interrupt Enable Register */
};
/* EOF & Async. Schedule Sleep Timer Register */
#define EASSTR_RUNNING (1 << 6) /* Put transceiver in running/resume mode */
#define EASSTR_SUSPEND (0 << 6) /* Put transceiver in suspend mode */
#define EASSTR_EOF2(x) (((x) & 0x3) << 4) /* EOF 2 Timing */
#define EASSTR_EOF1(x) (((x) & 0x3) << 2) /* EOF 1 Timing */
#define EASSTR_ASST(x) (((x) & 0x3) << 0) /* Async. Sched. Sleep Timer */
/* Bus Monitor Control Status Register */
#define BMCSR_SPD_HIGH (2 << 9) /* Speed of the attached device */
#define BMCSR_SPD_LOW (1 << 9)
#define BMCSR_SPD_FULL (0 << 9)
#define BMCSR_SPD_MASK (3 << 9)
#define BMCSR_SPD_SHIFT 9
#define BMCSR_SPD(x) ((x >> 9) & 0x03)
#define BMCSR_VBUS (1 << 8) /* VBUS Valid */
#define BMCSR_VBUS_OFF (1 << 4) /* VBUS Off */
#define BMCSR_VBUS_ON (0 << 4) /* VBUS On */
#define BMCSR_IRQLH (1 << 3) /* IRQ triggered at level-high */
#define BMCSR_IRQLL (0 << 3) /* IRQ triggered at level-low */
#define BMCSR_HALFSPD (1 << 2) /* Half speed mode for FPGA test */
#define BMCSR_HFT_LONG (1 << 1) /* HDISCON noise filter = 270 us*/
#define BMCSR_HFT (0 << 1) /* HDISCON noise filter = 135 us*/
#define BMCSR_VFT_LONG (1 << 1) /* VBUS noise filter = 472 us*/
#define BMCSR_VFT (0 << 1) /* VBUS noise filter = 135 us*/
/* Bus Monitor Interrupt Status Register */
/* Bus Monitor Interrupt Enable Register */
#define BMISR_DMAERR (1 << 4) /* DMA error */
#define BMISR_DMA (1 << 3) /* DMA complete */
#define BMISR_DEVRM (1 << 2) /* device removed */
#define BMISR_OVD (1 << 1) /* over-current detected */
#define BMISR_VBUSERR (1 << 0) /* VBUS error */
#endif