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path: root/drivers/usb/gadget
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-rw-r--r--drivers/usb/gadget/Kconfig5
-rw-r--r--drivers/usb/gadget/Makefile1
-rw-r--r--drivers/usb/gadget/epautoconf.c6
-rw-r--r--drivers/usb/gadget/ether.c25
-rw-r--r--drivers/usb/gadget/gadget_chips.h17
-rw-r--r--drivers/usb/gadget/pxa27x_udc.c703
6 files changed, 6 insertions, 751 deletions
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index d81a9c5a10..350036f208 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -92,6 +92,11 @@ config USB_GADGET_DWC2_OTG
if USB_GADGET_DWC2_OTG
+config USB_GADGET_DWC2_OTG_PHY
+ bool "DesignWare USB2.0 HS OTG PHY"
+ help
+ Enable the DesignWare USB2.0 HS OTG physical device interface.
+
config USB_GADGET_DWC2_OTG_PHY_BUS_WIDTH_8
bool "DesignWare USB2.0 HS OTG controller 8-bit PHY bus width"
help
diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile
index d8de8efa0a..306dd3127f 100644
--- a/drivers/usb/gadget/Makefile
+++ b/drivers/usb/gadget/Makefile
@@ -43,6 +43,5 @@ ifdef CONFIG_USB_DEVICE
obj-y += core.o
obj-y += ep0.o
obj-$(CONFIG_DW_UDC) += designware_udc.o
-obj-$(CONFIG_CPU_PXA27X) += pxa27x_udc.o
endif
endif
diff --git a/drivers/usb/gadget/epautoconf.c b/drivers/usb/gadget/epautoconf.c
index 01337d6511..bb0d2971d0 100644
--- a/drivers/usb/gadget/epautoconf.c
+++ b/drivers/usb/gadget/epautoconf.c
@@ -79,12 +79,6 @@ static int ep_matches(
*/
if ('s' == tmp[2]) /* == "-iso" */
return 0;
- /* for now, avoid PXA "interrupt-in";
- * it's documented as never using DATA1.
- */
- if (gadget_is_pxa(gadget)
- && 'i' == tmp[1])
- return 0;
break;
case USB_ENDPOINT_XFER_BULK:
if ('b' != tmp[1]) /* != "-bulk" */
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index 4307328657..72b4f7f306 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -1325,24 +1325,6 @@ eth_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
if (!cdc_active(dev) && wIndex != 0)
break;
- /*
- * PXA hardware partially handles SET_INTERFACE;
- * we need to kluge around that interference.
- */
- if (gadget_is_pxa(gadget)) {
- value = eth_set_config(dev, DEV_CONFIG_VALUE,
- GFP_ATOMIC);
- /*
- * PXA25x driver use non-CDC ethernet gadget.
- * But only _CDC and _RNDIS code can signalize
- * that network is working. So we signalize it
- * here.
- */
- dev->network_started = 1;
- debug("USB network up!\n");
- goto done_set_intf;
- }
-
#ifdef CONFIG_USB_ETH_CDC
switch (wIndex) {
case 0: /* control/master intf */
@@ -1386,8 +1368,6 @@ eth_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
*/
debug("set_interface ignored!\n");
#endif /* CONFIG_USB_ETH_CDC */
-
-done_set_intf:
break;
case USB_REQ_GET_INTERFACE:
if (ctrl->bRequestType != (USB_DIR_IN|USB_RECIP_INTERFACE)
@@ -2032,10 +2012,7 @@ static int eth_bind(struct usb_gadget *gadget)
* standard protocol is _strongly_ preferred for interop purposes.
* (By everyone except Microsoft.)
*/
- if (gadget_is_pxa(gadget)) {
- /* pxa doesn't support altsettings */
- cdc = 0;
- } else if (gadget_is_musbhdrc(gadget)) {
+ if (gadget_is_musbhdrc(gadget)) {
/* reduce tx dma overhead by avoiding special cases */
zlp = 0;
} else if (gadget_is_sh(gadget)) {
diff --git a/drivers/usb/gadget/gadget_chips.h b/drivers/usb/gadget/gadget_chips.h
index 06e6a48949..66ccd05417 100644
--- a/drivers/usb/gadget/gadget_chips.h
+++ b/drivers/usb/gadget/gadget_chips.h
@@ -32,12 +32,6 @@
#define gadget_is_dummy(g) 0
#endif
-#ifdef CONFIG_USB_GADGET_PXA2XX
-#define gadget_is_pxa(g) (!strcmp("pxa2xx_udc", (g)->name))
-#else
-#define gadget_is_pxa(g) 0
-#endif
-
#ifdef CONFIG_USB_GADGET_GOKU
#define gadget_is_goku(g) (!strcmp("goku_udc", (g)->name))
#else
@@ -78,13 +72,6 @@
#define gadget_is_n9604(g) 0
#endif
-/* various unstable versions available */
-#ifdef CONFIG_USB_GADGET_PXA27X
-#define gadget_is_pxa27x(g) (!strcmp("pxa27x_udc", (g)->name))
-#else
-#define gadget_is_pxa27x(g) 0
-#endif
-
#ifdef CONFIG_USB_GADGET_ATMEL_USBA
#define gadget_is_atmel_usba(g) (!strcmp("atmel_usba_udc", (g)->name))
#else
@@ -194,8 +181,6 @@ static inline int usb_gadget_controller_number(struct usb_gadget *gadget)
return 0x01;
else if (gadget_is_dummy(gadget))
return 0x02;
- else if (gadget_is_pxa(gadget))
- return 0x03;
else if (gadget_is_sh(gadget))
return 0x04;
else if (gadget_is_sa1100(gadget))
@@ -208,8 +193,6 @@ static inline int usb_gadget_controller_number(struct usb_gadget *gadget)
return 0x08;
else if (gadget_is_n9604(gadget))
return 0x09;
- else if (gadget_is_pxa27x(gadget))
- return 0x10;
else if (gadget_is_at91(gadget))
return 0x12;
else if (gadget_is_imx(gadget))
diff --git a/drivers/usb/gadget/pxa27x_udc.c b/drivers/usb/gadget/pxa27x_udc.c
deleted file mode 100644
index 583ceb4d55..0000000000
--- a/drivers/usb/gadget/pxa27x_udc.c
+++ /dev/null
@@ -1,703 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * PXA27x USB device driver for u-boot.
- *
- * Copyright (C) 2007 Rodolfo Giometti <giometti@linux.it>
- * Copyright (C) 2007 Eurotech S.p.A. <info@eurotech.it>
- * Copyright (C) 2008 Vivek Kutal <vivek.kutal@azingo.com>
- */
-
-
-#include <common.h>
-#include <asm/arch/hardware.h>
-#include <asm/byteorder.h>
-#include <asm/io.h>
-#include <usbdevice.h>
-#include <linux/delay.h>
-#include <usb/pxa27x_udc.h>
-#include <usb/udc.h>
-
-#include "ep0.h"
-
-/* number of endpoints on this UDC */
-#define UDC_MAX_ENDPOINTS 24
-
-static struct urb *ep0_urb;
-static struct usb_device_instance *udc_device;
-static int ep0state = EP0_IDLE;
-
-#ifdef USBDDBG
-static void udc_dump_buffer(char *name, u8 *buf, int len)
-{
- usbdbg("%s - buf %p, len %d", name, buf, len);
- print_buffer(0, buf, 1, len, 0);
-}
-#else
-#define udc_dump_buffer(name, buf, len) /* void */
-#endif
-
-static inline void udc_ack_int_UDCCR(int mask)
-{
- writel(readl(USIR1) | mask, USIR1);
-}
-
-/*
- * If the endpoint has an active tx_urb, then the next packet of data from the
- * URB is written to the tx FIFO.
- * The total amount of data in the urb is given by urb->actual_length.
- * The maximum amount of data that can be sent in any one packet is given by
- * endpoint->tx_packetSize.
- * The number of data bytes from this URB that have already been transmitted
- * is given by endpoint->sent.
- * endpoint->last is updated by this routine with the number of data bytes
- * transmitted in this packet.
- */
-static int udc_write_urb(struct usb_endpoint_instance *endpoint)
-{
- struct urb *urb = endpoint->tx_urb;
- int ep_num = endpoint->endpoint_address & USB_ENDPOINT_NUMBER_MASK;
- u32 *data32 = (u32 *) urb->buffer;
- u8 *data8 = (u8 *) urb->buffer;
- unsigned int i, n, w, b, is_short;
- int timeout = 2000; /* 2ms */
-
- if (!urb || !urb->actual_length)
- return -1;
-
- n = min_t(unsigned int, urb->actual_length - endpoint->sent,
- endpoint->tx_packetSize);
- if (n <= 0)
- return -1;
-
- usbdbg("write urb on ep %d", ep_num);
-#if defined(USBDDBG) && defined(USBDPARANOIA)
- usbdbg("urb: buf %p, buf_len %d, actual_len %d",
- urb->buffer, urb->buffer_length, urb->actual_length);
- usbdbg("endpoint: sent %d, tx_packetSize %d, last %d",
- endpoint->sent, endpoint->tx_packetSize, endpoint->last);
-#endif
-
- is_short = n != endpoint->tx_packetSize;
- w = n / 4;
- b = n % 4;
- usbdbg("n %d%s w %d b %d", n, is_short ? "-s" : "", w, b);
- udc_dump_buffer("urb write", data8 + endpoint->sent, n);
-
- /* Prepare for data send */
- if (ep_num)
- writel(UDCCSR_PC ,UDCCSN(ep_num));
-
- for (i = 0; i < w; i++)
- writel(data32[endpoint->sent / 4 + i], UDCDN(ep_num));
-
- for (i = 0; i < b; i++)
- writeb(data8[endpoint->sent + w * 4 + i], UDCDN(ep_num));
-
- /* Set "Packet Complete" if less data then tx_packetSize */
- if (is_short)
- writel(ep_num ? UDCCSR_SP : UDCCSR0_IPR, UDCCSN(ep_num));
-
- /* Wait for data sent */
- if (ep_num) {
- while (!(readl(UDCCSN(ep_num)) & UDCCSR_PC)) {
- if (timeout-- == 0)
- return -1;
- else
- udelay(1);
- }
- }
-
- endpoint->last = n;
-
- if (ep_num) {
- usbd_tx_complete(endpoint);
- } else {
- endpoint->sent += n;
- endpoint->last -= n;
- }
-
- if (endpoint->sent >= urb->actual_length) {
- urb->actual_length = 0;
- endpoint->sent = 0;
- endpoint->last = 0;
- }
-
- if ((endpoint->sent >= urb->actual_length) && (!ep_num)) {
- usbdbg("ep0 IN stage done");
- if (is_short)
- ep0state = EP0_IDLE;
- else
- ep0state = EP0_XFER_COMPLETE;
- }
-
- return 0;
-}
-
-static int udc_read_urb(struct usb_endpoint_instance *endpoint)
-{
- struct urb *urb = endpoint->rcv_urb;
- int ep_num = endpoint->endpoint_address & USB_ENDPOINT_NUMBER_MASK;
- u32 *data32 = (u32 *) urb->buffer;
- unsigned int i, n;
-
- usbdbg("read urb on ep %d", ep_num);
-#if defined(USBDDBG) && defined(USBDPARANOIA)
- usbdbg("urb: buf %p, buf_len %d, actual_len %d",
- urb->buffer, urb->buffer_length, urb->actual_length);
- usbdbg("endpoint: rcv_packetSize %d",
- endpoint->rcv_packetSize);
-#endif
-
- if (readl(UDCCSN(ep_num)) & UDCCSR_BNE)
- n = readl(UDCBCN(ep_num)) & 0x3ff;
- else /* zlp */
- n = 0;
-
- usbdbg("n %d%s", n, n != endpoint->rcv_packetSize ? "-s" : "");
- for (i = 0; i < n; i += 4)
- data32[urb->actual_length / 4 + i / 4] = readl(UDCDN(ep_num));
-
- udc_dump_buffer("urb read", (u8 *) data32, urb->actual_length + n);
- usbd_rcv_complete(endpoint, n, 0);
-
- return 0;
-}
-
-static int udc_read_urb_ep0(void)
-{
- u32 *data32 = (u32 *) ep0_urb->buffer;
- u8 *data8 = (u8 *) ep0_urb->buffer;
- unsigned int i, n, w, b;
-
- usbdbg("read urb on ep 0");
-#if defined(USBDDBG) && defined(USBDPARANOIA)
- usbdbg("urb: buf %p, buf_len %d, actual_len %d",
- ep0_urb->buffer, ep0_urb->buffer_length, ep0_urb->actual_length);
-#endif
-
- n = readl(UDCBCR0);
- w = n / 4;
- b = n % 4;
-
- for (i = 0; i < w; i++) {
- data32[ep0_urb->actual_length / 4 + i] = readl(UDCDN(0));
- /* ep0_urb->actual_length += 4; */
- }
-
- for (i = 0; i < b; i++) {
- data8[ep0_urb->actual_length + w * 4 + i] = readb(UDCDN(0));
- /* ep0_urb->actual_length++; */
- }
-
- ep0_urb->actual_length += n;
-
- udc_dump_buffer("urb read", (u8 *) data32, ep0_urb->actual_length);
-
- writel(UDCCSR0_OPC | UDCCSR0_IPR, UDCCSR0);
- if (ep0_urb->actual_length == ep0_urb->device_request.wLength)
- return 1;
-
- return 0;
-}
-
-static void udc_handle_ep0(struct usb_endpoint_instance *endpoint)
-{
- u32 udccsr0 = readl(UDCCSR0);
- u32 *data = (u32 *) &ep0_urb->device_request;
- int i;
-
- usbdbg("udccsr0 %x", udccsr0);
-
- /* Clear stall status */
- if (udccsr0 & UDCCSR0_SST) {
- usberr("clear stall status");
- writel(UDCCSR0_SST, UDCCSR0);
- ep0state = EP0_IDLE;
- }
-
- /* previous request unfinished? non-error iff back-to-back ... */
- if ((udccsr0 & UDCCSR0_SA) != 0 && ep0state != EP0_IDLE)
- ep0state = EP0_IDLE;
-
- switch (ep0state) {
-
- case EP0_IDLE:
- udccsr0 = readl(UDCCSR0);
- /* Start control request? */
- if ((udccsr0 & (UDCCSR0_OPC | UDCCSR0_SA | UDCCSR0_RNE))
- == (UDCCSR0_OPC | UDCCSR0_SA | UDCCSR0_RNE)) {
-
- /* Read SETUP packet.
- * SETUP packet size is 8 bytes (aka 2 words)
- */
- usbdbg("try reading SETUP packet");
- for (i = 0; i < 2; i++) {
- if ((readl(UDCCSR0) & UDCCSR0_RNE) == 0) {
- usberr("setup packet too short:%d", i);
- goto stall;
- }
- data[i] = readl(UDCDR0);
- }
-
- writel(readl(UDCCSR0) | UDCCSR0_OPC | UDCCSR0_SA, UDCCSR0);
- if ((readl(UDCCSR0) & UDCCSR0_RNE) != 0) {
- usberr("setup packet too long");
- goto stall;
- }
-
- udc_dump_buffer("ep0 setup read", (u8 *) data, 8);
-
- if (ep0_urb->device_request.wLength == 0) {
- usbdbg("Zero Data control Packet\n");
- if (ep0_recv_setup(ep0_urb)) {
- usberr("Invalid Setup Packet\n");
- udc_dump_buffer("ep0 setup read",
- (u8 *)data, 8);
- goto stall;
- }
- writel(UDCCSR0_IPR, UDCCSR0);
- ep0state = EP0_IDLE;
- } else {
- /* Check direction */
- if ((ep0_urb->device_request.bmRequestType &
- USB_REQ_DIRECTION_MASK)
- == USB_REQ_HOST2DEVICE) {
- ep0state = EP0_OUT_DATA;
- ep0_urb->buffer =
- (u8 *)ep0_urb->buffer_data;
- ep0_urb->buffer_length =
- sizeof(ep0_urb->buffer_data);
- ep0_urb->actual_length = 0;
- writel(UDCCSR0_IPR, UDCCSR0);
- } else {
- /* The ep0_recv_setup function has
- * already placed our response packet
- * data in ep0_urb->buffer and the
- * packet length in
- * ep0_urb->actual_length.
- */
- if (ep0_recv_setup(ep0_urb)) {
-stall:
- usberr("Invalid setup packet");
- udc_dump_buffer("ep0 setup read"
- , (u8 *) data, 8);
- ep0state = EP0_IDLE;
-
- writel(UDCCSR0_SA |
- UDCCSR0_OPC | UDCCSR0_FST |
- UDCCS0_FTF, UDCCSR0);
-
- return;
- }
-
- endpoint->tx_urb = ep0_urb;
- endpoint->sent = 0;
- usbdbg("EP0_IN_DATA");
- ep0state = EP0_IN_DATA;
- if (udc_write_urb(endpoint) < 0)
- goto stall;
-
- }
- }
- return;
- } else if ((udccsr0 & (UDCCSR0_OPC | UDCCSR0_SA))
- == (UDCCSR0_OPC|UDCCSR0_SA)) {
- usberr("Setup Active but no data. Stalling ....\n");
- goto stall;
- } else {
- usbdbg("random early IRQs");
- /* Some random early IRQs:
- * - we acked FST
- * - IPR cleared
- * - OPC got set, without SA (likely status stage)
- */
- writel(udccsr0 & (UDCCSR0_SA | UDCCSR0_OPC), UDCCSR0);
- }
- break;
-
- case EP0_OUT_DATA:
-
- if ((udccsr0 & UDCCSR0_OPC) && !(udccsr0 & UDCCSR0_SA)) {
- if (udc_read_urb_ep0()) {
-read_complete:
- ep0state = EP0_IDLE;
- if (ep0_recv_setup(ep0_urb)) {
- /* Not a setup packet, stall next
- * EP0 transaction
- */
- udc_dump_buffer("ep0 setup read",
- (u8 *) data, 8);
- usberr("can't parse setup packet\n");
- goto stall;
- }
- }
- } else if (!(udccsr0 & UDCCSR0_OPC) &&
- !(udccsr0 & UDCCSR0_IPR)) {
- if (ep0_urb->device_request.wLength ==
- ep0_urb->actual_length)
- goto read_complete;
-
- usberr("Premature Status\n");
- ep0state = EP0_IDLE;
- }
- break;
-
- case EP0_IN_DATA:
- /* GET_DESCRIPTOR etc */
- if (udccsr0 & UDCCSR0_OPC) {
- writel(UDCCSR0_OPC | UDCCSR0_FTF, UDCCSR0);
- usberr("ep0in premature status");
- ep0state = EP0_IDLE;
- } else {
- /* irq was IPR clearing */
- if (udc_write_urb(endpoint) < 0) {
- usberr("ep0_write_error\n");
- goto stall;
- }
- }
- break;
-
- case EP0_XFER_COMPLETE:
- writel(UDCCSR0_IPR, UDCCSR0);
- ep0state = EP0_IDLE;
- break;
-
- default:
- usbdbg("Default\n");
- }
- writel(USIR0_IR0, USIR0);
-}
-
-static void udc_handle_ep(struct usb_endpoint_instance *endpoint)
-{
- int ep_addr = endpoint->endpoint_address;
- int ep_num = ep_addr & USB_ENDPOINT_NUMBER_MASK;
- int ep_isout = (ep_addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT;
-
- u32 flags = readl(UDCCSN(ep_num)) & (UDCCSR_SST | UDCCSR_TRN);
- if (flags)
- writel(flags, UDCCSN(ep_num));
-
- if (ep_isout)
- udc_read_urb(endpoint);
- else
- udc_write_urb(endpoint);
-
- writel(UDCCSR_PC, UDCCSN(ep_num));
-}
-
-static void udc_state_changed(void)
-{
-
- writel(readl(UDCCR) | UDCCR_SMAC, UDCCR);
-
- usbdbg("New UDC settings are: conf %d - inter %d - alter %d",
- (readl(UDCCR) & UDCCR_ACN) >> UDCCR_ACN_S,
- (readl(UDCCR) & UDCCR_AIN) >> UDCCR_AIN_S,
- (readl(UDCCR) & UDCCR_AAISN) >> UDCCR_AAISN_S);
-
- usbd_device_event_irq(udc_device, DEVICE_CONFIGURED, 0);
- writel(UDCISR1_IRCC, UDCISR1);
-}
-
-void udc_irq(void)
-{
- int handled;
- struct usb_endpoint_instance *endpoint;
- int ep_num, i;
- u32 udcisr0;
-
- do {
- handled = 0;
- /* Suspend Interrupt Request */
- if (readl(USIR1) & UDCCR_SUSIR) {
- usbdbg("Suspend\n");
- udc_ack_int_UDCCR(UDCCR_SUSIR);
- handled = 1;
- ep0state = EP0_IDLE;
- }
-
- /* Resume Interrupt Request */
- if (readl(USIR1) & UDCCR_RESIR) {
- udc_ack_int_UDCCR(UDCCR_RESIR);
- handled = 1;
- usbdbg("USB resume\n");
- }
-
- if (readl(USIR1) & (1<<31)) {
- handled = 1;
- udc_state_changed();
- }
-
- /* Reset Interrupt Request */
- if (readl(USIR1) & UDCCR_RSTIR) {
- udc_ack_int_UDCCR(UDCCR_RSTIR);
- handled = 1;
- usbdbg("Reset\n");
- usbd_device_event_irq(udc_device, DEVICE_RESET, 0);
- } else {
- if (readl(USIR0))
- usbdbg("UISR0: %x \n", readl(USIR0));
-
- if (readl(USIR0) & 0x2)
- writel(0x2, USIR0);
-
- /* Control traffic */
- if (readl(USIR0) & USIR0_IR0) {
- handled = 1;
- writel(USIR0_IR0, USIR0);
- udc_handle_ep0(udc_device->bus->endpoint_array);
- }
-
- endpoint = udc_device->bus->endpoint_array;
- for (i = 0; i < udc_device->bus->max_endpoints; i++) {
- ep_num = (endpoint[i].endpoint_address) &
- USB_ENDPOINT_NUMBER_MASK;
- if (!ep_num)
- continue;
- udcisr0 = readl(UDCISR0);
- if (udcisr0 &
- UDCISR_INT(ep_num, UDC_INT_PACKETCMP)) {
- writel(UDCISR_INT(ep_num, UDC_INT_PACKETCMP),
- UDCISR0);
- udc_handle_ep(&endpoint[i]);
- }
- }
- }
-
- } while (handled);
-}
-
-/* The UDCCR reg contains mask and interrupt status bits,
- * so using '|=' isn't safe as it may ack an interrupt.
- */
-#define UDCCR_OEN (1 << 31) /* On-the-Go Enable */
-#define UDCCR_MASK_BITS (UDCCR_OEN | UDCCR_UDE)
-
-static inline void udc_set_mask_UDCCR(int mask)
-{
- writel((readl(UDCCR) & UDCCR_MASK_BITS) | (mask & UDCCR_MASK_BITS), UDCCR);
-}
-
-static inline void udc_clear_mask_UDCCR(int mask)
-{
- writel((readl(UDCCR) & UDCCR_MASK_BITS) & ~(mask & UDCCR_MASK_BITS), UDCCR);
-}
-
-static void pio_irq_enable(int ep_num)
-{
- if (ep_num < 16)
- writel(readl(UDCICR0) | 3 << (ep_num * 2), UDCICR0);
- else {
- ep_num -= 16;
- writel(readl(UDCICR1) | 3 << (ep_num * 2), UDCICR1);
- }
-}
-
-/*
- * udc_set_nak
- *
- * Allow upper layers to signal lower layers should not accept more RX data
- */
-void udc_set_nak(int ep_num)
-{
- /* TODO */
-}
-
-/*
- * udc_unset_nak
- *
- * Suspend sending of NAK tokens for DATA OUT tokens on a given endpoint.
- * Switch off NAKing on this endpoint to accept more data output from host.
- */
-void udc_unset_nak(int ep_num)
-{
- /* TODO */
-}
-
-int udc_endpoint_write(struct usb_endpoint_instance *endpoint)
-{
- return udc_write_urb(endpoint);
-}
-
-/* Associate a physical endpoint with endpoint instance */
-void udc_setup_ep(struct usb_device_instance *device, unsigned int id,
- struct usb_endpoint_instance *endpoint)
-{
- int ep_num, ep_addr, ep_isout, ep_type, ep_size;
- int config, interface, alternate;
- u32 tmp;
-
- usbdbg("setting up endpoint id %d", id);
-
- if (!endpoint) {
- usberr("endpoint void!");
- return;
- }
-
- ep_num = endpoint->endpoint_address & USB_ENDPOINT_NUMBER_MASK;
- if (ep_num >= UDC_MAX_ENDPOINTS) {
- usberr("unable to setup ep %d!", ep_num);
- return;
- }
-
- pio_irq_enable(ep_num);
- if (ep_num == 0) {
- /* Done for ep0 */
- return;
- }
-
- config = 1;
- interface = 0;
- alternate = 0;
-
- usbdbg("config %d - interface %d - alternate %d",
- config, interface, alternate);
-
- ep_addr = endpoint->endpoint_address;
- ep_num = ep_addr & USB_ENDPOINT_NUMBER_MASK;
- ep_isout = (ep_addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT;
- ep_type = ep_isout ? endpoint->rcv_attributes : endpoint->tx_attributes;
- ep_size = ep_isout ? endpoint->rcv_packetSize : endpoint->tx_packetSize;
-
- usbdbg("addr %x, num %d, dir %s, type %s, packet size %d",
- ep_addr, ep_num,
- ep_isout ? "out" : "in",
- ep_type == USB_ENDPOINT_XFER_ISOC ? "isoc" :
- ep_type == USB_ENDPOINT_XFER_BULK ? "bulk" :
- ep_type == USB_ENDPOINT_XFER_INT ? "int" : "???",
- ep_size
- );
-
- /* Configure UDCCRx */
- tmp = 0;
- tmp |= (config << UDCCONR_CN_S) & UDCCONR_CN;
- tmp |= (interface << UDCCONR_IN_S) & UDCCONR_IN;
- tmp |= (alternate << UDCCONR_AISN_S) & UDCCONR_AISN;
- tmp |= (ep_num << UDCCONR_EN_S) & UDCCONR_EN;
- tmp |= (ep_type << UDCCONR_ET_S) & UDCCONR_ET;
- tmp |= ep_isout ? 0 : UDCCONR_ED;
- tmp |= (ep_size << UDCCONR_MPS_S) & UDCCONR_MPS;
- tmp |= UDCCONR_EE;
-
- writel(tmp, UDCCN(ep_num));
-
- usbdbg("UDCCR%c = %x", 'A' + ep_num-1, readl(UDCCN(ep_num)));
- usbdbg("UDCCSR%c = %x", 'A' + ep_num-1, readl(UDCCSN(ep_num)));
-}
-
-/* Connect the USB device to the bus */
-void udc_connect(void)
-{
- usbdbg("UDC connect");
-
-#ifdef CONFIG_USB_DEV_PULLUP_GPIO
- /* Turn on the USB connection by enabling the pullup resistor */
- writel(readl(GPDR(CONFIG_USB_DEV_PULLUP_GPIO))
- | GPIO_bit(CONFIG_USB_DEV_PULLUP_GPIO),
- GPDR(CONFIG_USB_DEV_PULLUP_GPIO));
- writel(GPIO_bit(CONFIG_USB_DEV_PULLUP_GPIO), GPSR(CONFIG_USB_DEV_PULLUP_GPIO));
-#else
- /* Host port 2 transceiver D+ pull up enable */
- writel(readl(UP2OCR) | UP2OCR_DPPUE, UP2OCR);
-#endif
-}
-
-/* Disconnect the USB device to the bus */
-void udc_disconnect(void)
-{
- usbdbg("UDC disconnect");
-
-#ifdef CONFIG_USB_DEV_PULLUP_GPIO
- /* Turn off the USB connection by disabling the pullup resistor */
- writel(GPIO_bit(CONFIG_USB_DEV_PULLUP_GPIO), GPCR(CONFIG_USB_DEV_PULLUP_GPIO));
-#else
- /* Host port 2 transceiver D+ pull up disable */
- writel(readl(UP2OCR) & ~UP2OCR_DPPUE, UP2OCR);
-#endif
-}
-
-/* Switch on the UDC */
-void udc_enable(struct usb_device_instance *device)
-{
-
- ep0state = EP0_IDLE;
-
- /* enable endpoint 0, A, B's Packet Complete Interrupt. */
- writel(0xffffffff, UDCICR0);
- writel(0xa8000000, UDCICR1);
-
- /* clear the interrupt status/control registers */
- writel(0xffffffff, UDCISR0);
- writel(0xffffffff, UDCISR1);
-
- /* set UDC-enable */
- udc_set_mask_UDCCR(UDCCR_UDE);
-
- udc_device = device;
- if (!ep0_urb)
- ep0_urb = usbd_alloc_urb(udc_device,
- udc_device->bus->endpoint_array);
- else
- usbinfo("ep0_urb %p already allocated", ep0_urb);
-
- usbdbg("UDC Enabled\n");
-}
-
-/* Need to check this again */
-void udc_disable(void)
-{
- usbdbg("disable UDC");
-
- udc_clear_mask_UDCCR(UDCCR_UDE);
-
- /* Disable clock for USB device */
- writel(readl(CKEN) & ~CKEN11_USB, CKEN);
-
- /* Free ep0 URB */
- if (ep0_urb) {
- usbd_dealloc_urb(ep0_urb);
- ep0_urb = NULL;
- }
-
- /* Reset device pointer */
- udc_device = NULL;
-}
-
-/* Allow udc code to do any additional startup */
-void udc_startup_events(struct usb_device_instance *device)
-{
- /* The DEVICE_INIT event puts the USB device in the state STATE_INIT */
- usbd_device_event_irq(device, DEVICE_INIT, 0);
-
- /* The DEVICE_CREATE event puts the USB device in the state
- * STATE_ATTACHED */
- usbd_device_event_irq(device, DEVICE_CREATE, 0);
-
- /* Some USB controller driver implementations signal
- * DEVICE_HUB_CONFIGURED and DEVICE_RESET events here.
- * DEVICE_HUB_CONFIGURED causes a transition to the state
- * STATE_POWERED, and DEVICE_RESET causes a transition to
- * the state STATE_DEFAULT.
- */
- udc_enable(device);
-}
-
-/* Initialize h/w stuff */
-int udc_init(void)
-{
- udc_device = NULL;
- usbdbg("PXA27x usbd start");
-
- /* Enable clock for USB device */
- writel(readl(CKEN) | CKEN11_USB, CKEN);
-
- /* Disable the UDC */
- udc_clear_mask_UDCCR(UDCCR_UDE);
-
- /* Disable IRQs: we don't use them */
- writel(0, UDCICR0);
- writel(0, UDCICR1);
-
- return 0;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2025-05-28 15:54:03 +0000