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-rw-r--r--drivers/usb/eth/asix.c40
-rw-r--r--drivers/usb/gadget/Makefile1
-rw-r--r--drivers/usb/gadget/composite.c1
-rw-r--r--drivers/usb/gadget/f_mass_storage.c3
-rw-r--r--drivers/usb/gadget/fotg210.c948
-rw-r--r--drivers/usb/gadget/gadget_chips.h8
-rw-r--r--drivers/usb/gadget/pxa25x_udc.c13
-rw-r--r--drivers/usb/host/Makefile1
-rw-r--r--drivers/usb/host/ehci-faraday.c148
-rw-r--r--drivers/usb/host/ehci-hcd.c74
10 files changed, 1198 insertions, 39 deletions
diff --git a/drivers/usb/eth/asix.c b/drivers/usb/eth/asix.c
index 75ec8f7..76624b9 100644
--- a/drivers/usb/eth/asix.c
+++ b/drivers/usb/eth/asix.c
@@ -407,46 +407,40 @@ static int asix_basic_reset(struct ueth_data *dev)
rx_ctl = asix_read_rx_ctl(dev);
debug("RX_CTL is 0x%04x setting to 0x0000\n", rx_ctl);
- return 0;
-}
-
-/*
- * Asix callbacks
- */
-static int asix_init(struct eth_device *eth, bd_t *bd)
-{
- struct ueth_data *dev = (struct ueth_data *)eth->priv;
- int timeout = 0;
-#define TIMEOUT_RESOLUTION 50 /* ms */
- int link_detected;
-
- debug("** %s()\n", __func__);
-
dev->phy_id = asix_get_phy_addr(dev);
if (dev->phy_id < 0)
debug("Failed to read phy id\n");
- if (asix_sw_reset(dev, AX_SWRESET_PRL) < 0)
- goto out_err;
-
- if (asix_sw_reset(dev, AX_SWRESET_IPRL | AX_SWRESET_PRL) < 0)
- goto out_err;
-
asix_mdio_write(dev, dev->phy_id, MII_BMCR, BMCR_RESET);
asix_mdio_write(dev, dev->phy_id, MII_ADVERTISE,
ADVERTISE_ALL | ADVERTISE_CSMA);
mii_nway_restart(dev);
if (asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT) < 0)
- goto out_err;
+ return -1;
if (asix_write_cmd(dev, AX_CMD_WRITE_IPG0,
AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT,
AX88772_IPG2_DEFAULT, 0, NULL) < 0) {
debug("Write IPG,IPG1,IPG2 failed\n");
- goto out_err;
+ return -1;
}
+ return 0;
+}
+
+/*
+ * Asix callbacks
+ */
+static int asix_init(struct eth_device *eth, bd_t *bd)
+{
+ struct ueth_data *dev = (struct ueth_data *)eth->priv;
+ int timeout = 0;
+#define TIMEOUT_RESOLUTION 50 /* ms */
+ int link_detected;
+
+ debug("** %s()\n", __func__);
+
if (asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL) < 0)
goto out_err;
diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile
index e545b6b..432cf17 100644
--- a/drivers/usb/gadget/Makefile
+++ b/drivers/usb/gadget/Makefile
@@ -35,6 +35,7 @@ endif
# new USB gadget layer dependencies
ifdef CONFIG_USB_GADGET
COBJS-$(CONFIG_USB_GADGET_S3C_UDC_OTG) += s3c_udc_otg.o
+COBJS-$(CONFIG_USB_GADGET_FOTG210) += fotg210.o
COBJS-$(CONFIG_USBDOWNLOAD_GADGET) += g_dnl.o
COBJS-$(CONFIG_DFU_FUNCTION) += f_dfu.o
endif
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 2c5600e..f30778a 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -1098,4 +1098,5 @@ void usb_composite_unregister(struct usb_composite_driver *driver)
if (composite != driver)
return;
usb_gadget_unregister_driver(&composite_driver);
+ composite = NULL;
}
diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index c28866f..45bc132 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -2261,7 +2261,8 @@ reset:
if (rc)
goto reset;
fsg->bulk_out_enabled = 1;
- common->bulk_out_maxpacket = le16_to_cpu(d->wMaxPacketSize);
+ common->bulk_out_maxpacket =
+ le16_to_cpu(get_unaligned(&d->wMaxPacketSize));
clear_bit(IGNORE_BULK_OUT, &fsg->atomic_bitflags);
/* Allocate the requests */
diff --git a/drivers/usb/gadget/fotg210.c b/drivers/usb/gadget/fotg210.c
new file mode 100644
index 0000000..d003331
--- /dev/null
+++ b/drivers/usb/gadget/fotg210.c
@@ -0,0 +1,948 @@
+/*
+ * Faraday USB 2.0 OTG Controller
+ *
+ * (C) Copyright 2010 Faraday Technology
+ * Dante Su <dantesu@faraday-tech.com>
+ *
+ * This file is released under the terms of GPL v2 and any later version.
+ * See the file COPYING in the root directory of the source tree for details.
+ */
+
+#include <common.h>
+#include <command.h>
+#include <config.h>
+#include <net.h>
+#include <malloc.h>
+#include <asm/io.h>
+#include <asm/errno.h>
+#include <linux/types.h>
+#include <linux/usb/ch9.h>
+#include <linux/usb/gadget.h>
+
+#include <usb/fotg210.h>
+
+#define CFG_NUM_ENDPOINTS 4
+#define CFG_EP0_MAX_PACKET_SIZE 64
+#define CFG_EPX_MAX_PACKET_SIZE 512
+
+#define CFG_CMD_TIMEOUT (CONFIG_SYS_HZ >> 2) /* 250 ms */
+
+struct fotg210_chip;
+
+struct fotg210_ep {
+ struct usb_ep ep;
+
+ uint maxpacket;
+ uint id;
+ uint stopped;
+
+ struct list_head queue;
+ struct fotg210_chip *chip;
+ const struct usb_endpoint_descriptor *desc;
+};
+
+struct fotg210_request {
+ struct usb_request req;
+ struct list_head queue;
+ struct fotg210_ep *ep;
+};
+
+struct fotg210_chip {
+ struct usb_gadget gadget;
+ struct usb_gadget_driver *driver;
+ struct fotg210_regs *regs;
+ uint8_t irq;
+ uint16_t addr;
+ int pullup;
+ enum usb_device_state state;
+ struct fotg210_ep ep[1 + CFG_NUM_ENDPOINTS];
+};
+
+static struct usb_endpoint_descriptor ep0_desc = {
+ .bLength = sizeof(struct usb_endpoint_descriptor),
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = USB_DIR_IN,
+ .bmAttributes = USB_ENDPOINT_XFER_CONTROL,
+};
+
+static inline int fifo_to_ep(struct fotg210_chip *chip, int id, int in)
+{
+ return (id < 0) ? 0 : ((id & 0x03) + 1);
+}
+
+static inline int ep_to_fifo(struct fotg210_chip *chip, int id)
+{
+ return (id <= 0) ? -1 : ((id - 1) & 0x03);
+}
+
+static inline int ep_reset(struct fotg210_chip *chip, uint8_t ep_addr)
+{
+ int ep = ep_addr & USB_ENDPOINT_NUMBER_MASK;
+ struct fotg210_regs *regs = chip->regs;
+
+ if (ep_addr & USB_DIR_IN) {
+ /* reset endpoint */
+ setbits_le32(&regs->iep[ep - 1], IEP_RESET);
+ mdelay(1);
+ clrbits_le32(&regs->iep[ep - 1], IEP_RESET);
+ /* clear endpoint stall */
+ clrbits_le32(&regs->iep[ep - 1], IEP_STALL);
+ } else {
+ /* reset endpoint */
+ setbits_le32(&regs->oep[ep - 1], OEP_RESET);
+ mdelay(1);
+ clrbits_le32(&regs->oep[ep - 1], OEP_RESET);
+ /* clear endpoint stall */
+ clrbits_le32(&regs->oep[ep - 1], OEP_STALL);
+ }
+
+ return 0;
+}
+
+static int fotg210_reset(struct fotg210_chip *chip)
+{
+ struct fotg210_regs *regs = chip->regs;
+ uint32_t i;
+
+ chip->state = USB_STATE_POWERED;
+
+ /* chip enable */
+ writel(DEVCTRL_EN, &regs->dev_ctrl);
+
+ /* device address reset */
+ chip->addr = 0;
+ writel(0, &regs->dev_addr);
+
+ /* set idle counter to 7ms */
+ writel(7, &regs->idle);
+
+ /* disable all interrupts */
+ writel(IMR_MASK, &regs->imr);
+ writel(GIMR_MASK, &regs->gimr);
+ writel(GIMR0_MASK, &regs->gimr0);
+ writel(GIMR1_MASK, &regs->gimr1);
+ writel(GIMR2_MASK, &regs->gimr2);
+
+ /* clear interrupts */
+ writel(ISR_MASK, &regs->isr);
+ writel(0, &regs->gisr);
+ writel(0, &regs->gisr0);
+ writel(0, &regs->gisr1);
+ writel(0, &regs->gisr2);
+
+ /* chip reset */
+ setbits_le32(&regs->dev_ctrl, DEVCTRL_RESET);
+ mdelay(10);
+ if (readl(&regs->dev_ctrl) & DEVCTRL_RESET) {
+ printf("fotg210: chip reset failed\n");
+ return -1;
+ }
+
+ /* CX FIFO reset */
+ setbits_le32(&regs->cxfifo, CXFIFO_CXFIFOCLR);
+ mdelay(10);
+ if (readl(&regs->cxfifo) & CXFIFO_CXFIFOCLR) {
+ printf("fotg210: ep0 fifo reset failed\n");
+ return -1;
+ }
+
+ /* create static ep-fifo map (EP1 <-> FIFO0, EP2 <-> FIFO1 ...) */
+ writel(EPMAP14_DEFAULT, &regs->epmap14);
+ writel(EPMAP58_DEFAULT, &regs->epmap58);
+ writel(FIFOMAP_DEFAULT, &regs->fifomap);
+ writel(0, &regs->fifocfg);
+ for (i = 0; i < 8; ++i) {
+ writel(CFG_EPX_MAX_PACKET_SIZE, &regs->iep[i]);
+ writel(CFG_EPX_MAX_PACKET_SIZE, &regs->oep[i]);
+ }
+
+ /* FIFO reset */
+ for (i = 0; i < 4; ++i) {
+ writel(FIFOCSR_RESET, &regs->fifocsr[i]);
+ mdelay(10);
+ if (readl(&regs->fifocsr[i]) & FIFOCSR_RESET) {
+ printf("fotg210: fifo%d reset failed\n", i);
+ return -1;
+ }
+ }
+
+ /* enable only device interrupt and triggered at level-high */
+ writel(IMR_IRQLH | IMR_HOST | IMR_OTG, &regs->imr);
+ writel(ISR_MASK, &regs->isr);
+ /* disable EP0 IN/OUT interrupt */
+ writel(GIMR0_CXOUT | GIMR0_CXIN, &regs->gimr0);
+ /* disable EPX IN+SPK+OUT interrupts */
+ writel(GIMR1_MASK, &regs->gimr1);
+ /* disable wakeup+idle+dma+zlp interrupts */
+ writel(GIMR2_WAKEUP | GIMR2_IDLE | GIMR2_DMAERR | GIMR2_DMAFIN
+ | GIMR2_ZLPRX | GIMR2_ZLPTX, &regs->gimr2);
+ /* enable all group interrupt */
+ writel(0, &regs->gimr);
+
+ /* suspend delay = 3 ms */
+ writel(3, &regs->idle);
+
+ /* turn-on device interrupts */
+ setbits_le32(&regs->dev_ctrl, DEVCTRL_GIRQ_EN);
+
+ return 0;
+}
+
+static inline int fotg210_cxwait(struct fotg210_chip *chip, uint32_t mask)
+{
+ struct fotg210_regs *regs = chip->regs;
+ int ret = -1;
+ ulong ts;
+
+ for (ts = get_timer(0); get_timer(ts) < CFG_CMD_TIMEOUT; ) {
+ if ((readl(&regs->cxfifo) & mask) != mask)
+ continue;
+ ret = 0;
+ break;
+ }
+
+ if (ret)
+ printf("fotg210: cx/ep0 timeout\n");
+
+ return ret;
+}
+
+static int fotg210_dma(struct fotg210_ep *ep, struct fotg210_request *req)
+{
+ struct fotg210_chip *chip = ep->chip;
+ struct fotg210_regs *regs = chip->regs;
+ uint32_t tmp, ts;
+ uint8_t *buf = req->req.buf + req->req.actual;
+ uint32_t len = req->req.length - req->req.actual;
+ int fifo = ep_to_fifo(chip, ep->id);
+ int ret = -EBUSY;
+
+ /* 1. init dma buffer */
+ if (len > ep->maxpacket)
+ len = ep->maxpacket;
+
+ /* 2. wait for dma ready (hardware) */
+ for (ts = get_timer(0); get_timer(ts) < CFG_CMD_TIMEOUT; ) {
+ if (!(readl(&regs->dma_ctrl) & DMACTRL_START)) {
+ ret = 0;
+ break;
+ }
+ }
+ if (ret) {
+ printf("fotg210: dma busy\n");
+ req->req.status = ret;
+ return ret;
+ }
+
+ /* 3. DMA target setup */
+ if (ep->desc->bEndpointAddress & USB_DIR_IN)
+ flush_dcache_range((ulong)buf, (ulong)buf + len);
+ else
+ invalidate_dcache_range((ulong)buf, (ulong)buf + len);
+
+ writel(virt_to_phys(buf), &regs->dma_addr);
+
+ if (ep->desc->bEndpointAddress & USB_DIR_IN) {
+ if (ep->id == 0) {
+ /* Wait until cx/ep0 fifo empty */
+ fotg210_cxwait(chip, CXFIFO_CXFIFOE);
+ writel(DMAFIFO_CX, &regs->dma_fifo);
+ } else {
+ /* Wait until epx fifo empty */
+ fotg210_cxwait(chip, CXFIFO_FIFOE(fifo));
+ writel(DMAFIFO_FIFO(fifo), &regs->dma_fifo);
+ }
+ writel(DMACTRL_LEN(len) | DMACTRL_MEM2FIFO, &regs->dma_ctrl);
+ } else {
+ uint32_t blen;
+
+ if (ep->id == 0) {
+ writel(DMAFIFO_CX, &regs->dma_fifo);
+ do {
+ blen = CXFIFO_BYTES(readl(&regs->cxfifo));
+ } while (blen < len);
+ } else {
+ writel(DMAFIFO_FIFO(fifo), &regs->dma_fifo);
+ blen = FIFOCSR_BYTES(readl(&regs->fifocsr[fifo]));
+ }
+ len = (len < blen) ? len : blen;
+ writel(DMACTRL_LEN(len) | DMACTRL_FIFO2MEM, &regs->dma_ctrl);
+ }
+
+ /* 4. DMA start */
+ setbits_le32(&regs->dma_ctrl, DMACTRL_START);
+
+ /* 5. DMA wait */
+ ret = -EBUSY;
+ for (ts = get_timer(0); get_timer(ts) < CFG_CMD_TIMEOUT; ) {
+ tmp = readl(&regs->gisr2);
+ /* DMA complete */
+ if (tmp & GISR2_DMAFIN) {
+ ret = 0;
+ break;
+ }
+ /* DMA error */
+ if (tmp & GISR2_DMAERR) {
+ printf("fotg210: dma error\n");
+ break;
+ }
+ /* resume, suspend, reset */
+ if (tmp & (GISR2_RESUME | GISR2_SUSPEND | GISR2_RESET)) {
+ printf("fotg210: dma reset by host\n");
+ break;
+ }
+ }
+
+ /* 7. DMA target reset */
+ if (ret)
+ writel(DMACTRL_ABORT | DMACTRL_CLRFF, &regs->dma_ctrl);
+
+ writel(0, &regs->gisr2);
+ writel(0, &regs->dma_fifo);
+
+ req->req.status = ret;
+ if (!ret)
+ req->req.actual += len;
+ else
+ printf("fotg210: ep%d dma error(code=%d)\n", ep->id, ret);
+
+ return len;
+}
+
+/*
+ * result of setup packet
+ */
+#define CX_IDLE 0
+#define CX_FINISH 1
+#define CX_STALL 2
+
+static void fotg210_setup(struct fotg210_chip *chip)
+{
+ int id, ret = CX_IDLE;
+ uint32_t tmp[2];
+ struct usb_ctrlrequest *req = (struct usb_ctrlrequest *)tmp;
+ struct fotg210_regs *regs = chip->regs;
+
+ /*
+ * If this is the first Cx 8 byte command,
+ * we can now query USB mode (high/full speed; USB 2.0/USB 1.0)
+ */
+ if (chip->state == USB_STATE_POWERED) {
+ chip->state = USB_STATE_DEFAULT;
+ if (readl(&regs->otgcsr) & OTGCSR_DEV_B) {
+ /* Mini-B */
+ if (readl(&regs->dev_ctrl) & DEVCTRL_HS) {
+ puts("fotg210: HS\n");
+ chip->gadget.speed = USB_SPEED_HIGH;
+ /* SOF mask timer = 1100 ticks */
+ writel(SOFMTR_TMR(1100), &regs->sof_mtr);
+ } else {
+ puts("fotg210: FS\n");
+ chip->gadget.speed = USB_SPEED_FULL;
+ /* SOF mask timer = 10000 ticks */
+ writel(SOFMTR_TMR(10000), &regs->sof_mtr);
+ }
+ } else {
+ printf("fotg210: mini-A?\n");
+ }
+ }
+
+ /* switch data port to ep0 */
+ writel(DMAFIFO_CX, &regs->dma_fifo);
+ /* fetch 8 bytes setup packet */
+ tmp[0] = readl(&regs->ep0_data);
+ tmp[1] = readl(&regs->ep0_data);
+ /* release data port */
+ writel(0, &regs->dma_fifo);
+
+ if (req->bRequestType & USB_DIR_IN)
+ ep0_desc.bEndpointAddress = USB_DIR_IN;
+ else
+ ep0_desc.bEndpointAddress = USB_DIR_OUT;
+
+ ret = CX_IDLE;
+
+ if ((req->bRequestType & USB_TYPE_MASK) == USB_TYPE_STANDARD) {
+ switch (req->bRequest) {
+ case USB_REQ_SET_CONFIGURATION:
+ debug("fotg210: set_cfg(%d)\n", req->wValue & 0x00FF);
+ if (!(req->wValue & 0x00FF)) {
+ chip->state = USB_STATE_ADDRESS;
+ writel(chip->addr, &regs->dev_addr);
+ } else {
+ chip->state = USB_STATE_CONFIGURED;
+ writel(chip->addr | DEVADDR_CONF,
+ &regs->dev_addr);
+ }
+ ret = CX_IDLE;
+ break;
+
+ case USB_REQ_SET_ADDRESS:
+ debug("fotg210: set_addr(0x%04X)\n", req->wValue);
+ chip->state = USB_STATE_ADDRESS;
+ chip->addr = req->wValue & DEVADDR_ADDR_MASK;
+ ret = CX_FINISH;
+ writel(chip->addr, &regs->dev_addr);
+ break;
+
+ case USB_REQ_CLEAR_FEATURE:
+ debug("fotg210: clr_feature(%d, %d)\n",
+ req->bRequestType & 0x03, req->wValue);
+ switch (req->wValue) {
+ case 0: /* [Endpoint] halt */
+ ep_reset(chip, req->wIndex);
+ ret = CX_FINISH;
+ break;
+ case 1: /* [Device] remote wake-up */
+ case 2: /* [Device] test mode */
+ default:
+ ret = CX_STALL;
+ break;
+ }
+ break;
+
+ case USB_REQ_SET_FEATURE:
+ debug("fotg210: set_feature(%d, %d)\n",
+ req->wValue, req->wIndex & 0xf);
+ switch (req->wValue) {
+ case 0: /* Endpoint Halt */
+ id = req->wIndex & 0xf;
+ setbits_le32(&regs->iep[id - 1], IEP_STALL);
+ setbits_le32(&regs->oep[id - 1], OEP_STALL);
+ ret = CX_FINISH;
+ break;
+ case 1: /* Remote Wakeup */
+ case 2: /* Test Mode */
+ default:
+ ret = CX_STALL;
+ break;
+ }
+ break;
+
+ case USB_REQ_GET_STATUS:
+ debug("fotg210: get_status\n");
+ ret = CX_STALL;
+ break;
+
+ case USB_REQ_SET_DESCRIPTOR:
+ debug("fotg210: set_descriptor\n");
+ ret = CX_STALL;
+ break;
+
+ case USB_REQ_SYNCH_FRAME:
+ debug("fotg210: sync frame\n");
+ ret = CX_STALL;
+ break;
+ }
+ } /* if ((req->bRequestType & USB_TYPE_MASK) == USB_TYPE_STANDARD) */
+
+ if (ret == CX_IDLE && chip->driver->setup) {
+ if (chip->driver->setup(&chip->gadget, req) < 0)
+ ret = CX_STALL;
+ else
+ ret = CX_FINISH;
+ }
+
+ switch (ret) {
+ case CX_FINISH:
+ setbits_le32(&regs->cxfifo, CXFIFO_CXFIN);
+ break;
+
+ case CX_STALL:
+ setbits_le32(&regs->cxfifo, CXFIFO_CXSTALL | CXFIFO_CXFIN);
+ printf("fotg210: cx_stall!\n");
+ break;
+
+ case CX_IDLE:
+ debug("fotg210: cx_idle?\n");
+ default:
+ break;
+ }
+}
+
+/*
+ * fifo - FIFO id
+ * zlp - zero length packet
+ */
+static void fotg210_recv(struct fotg210_chip *chip, int ep_id)
+{
+ struct fotg210_regs *regs = chip->regs;
+ struct fotg210_ep *ep = chip->ep + ep_id;
+ struct fotg210_request *req;
+ int len;
+
+ if (ep->stopped || (ep->desc->bEndpointAddress & USB_DIR_IN)) {
+ printf("fotg210: ep%d recv, invalid!\n", ep->id);
+ return;
+ }
+
+ if (list_empty(&ep->queue)) {
+ printf("fotg210: ep%d recv, drop!\n", ep->id);
+ return;
+ }
+
+ req = list_first_entry(&ep->queue, struct fotg210_request, queue);
+ len = fotg210_dma(ep, req);
+ if (len < ep->ep.maxpacket || req->req.length <= req->req.actual) {
+ list_del_init(&req->queue);
+ if (req->req.complete)
+ req->req.complete(&ep->ep, &req->req);
+ }
+
+ if (ep->id > 0 && list_empty(&ep->queue)) {
+ setbits_le32(&regs->gimr1,
+ GIMR1_FIFO_RX(ep_to_fifo(chip, ep->id)));
+ }
+}
+
+/*
+ * USB Gadget Layer
+ */
+static int fotg210_ep_enable(
+ struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc)
+{
+ struct fotg210_ep *ep = container_of(_ep, struct fotg210_ep, ep);
+ struct fotg210_chip *chip = ep->chip;
+ struct fotg210_regs *regs = chip->regs;
+ int id = ep_to_fifo(chip, ep->id);
+ int in = (desc->bEndpointAddress & USB_DIR_IN) ? 1 : 0;
+
+ if (!_ep || !desc
+ || desc->bDescriptorType != USB_DT_ENDPOINT
+ || le16_to_cpu(desc->wMaxPacketSize) == 0) {
+ printf("fotg210: bad ep or descriptor\n");
+ return -EINVAL;
+ }
+
+ ep->desc = desc;
+ ep->stopped = 0;
+
+ if (in)
+ setbits_le32(&regs->fifomap, FIFOMAP(id, FIFOMAP_IN));
+
+ switch (desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) {
+ case USB_ENDPOINT_XFER_CONTROL:
+ return -EINVAL;
+
+ case USB_ENDPOINT_XFER_ISOC:
+ setbits_le32(&regs->fifocfg,
+ FIFOCFG(id, FIFOCFG_EN | FIFOCFG_ISOC));
+ break;
+
+ case USB_ENDPOINT_XFER_BULK:
+ setbits_le32(&regs->fifocfg,
+ FIFOCFG(id, FIFOCFG_EN | FIFOCFG_BULK));
+ break;
+
+ case USB_ENDPOINT_XFER_INT:
+ setbits_le32(&regs->fifocfg,
+ FIFOCFG(id, FIFOCFG_EN | FIFOCFG_INTR));
+ break;
+ }
+
+ return 0;
+}
+
+static int fotg210_ep_disable(struct usb_ep *_ep)
+{
+ struct fotg210_ep *ep = container_of(_ep, struct fotg210_ep, ep);
+ struct fotg210_chip *chip = ep->chip;
+ struct fotg210_regs *regs = chip->regs;
+ int id = ep_to_fifo(chip, ep->id);
+
+ ep->desc = NULL;
+ ep->stopped = 1;
+
+ clrbits_le32(&regs->fifocfg, FIFOCFG(id, FIFOCFG_CFG_MASK));
+ clrbits_le32(&regs->fifomap, FIFOMAP(id, FIFOMAP_DIR_MASK));
+
+ return 0;
+}
+
+static struct usb_request *fotg210_ep_alloc_request(
+ struct usb_ep *_ep, gfp_t gfp_flags)
+{
+ struct fotg210_request *req = malloc(sizeof(*req));
+
+ if (req) {
+ memset(req, 0, sizeof(*req));
+ INIT_LIST_HEAD(&req->queue);
+ }
+ return &req->req;
+}
+
+static void fotg210_ep_free_request(
+ struct usb_ep *_ep, struct usb_request *_req)
+{
+ struct fotg210_request *req;
+
+ req = container_of(_req, struct fotg210_request, req);
+ free(req);
+}
+
+static int fotg210_ep_queue(
+ struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
+{
+ struct fotg210_ep *ep = container_of(_ep, struct fotg210_ep, ep);
+ struct fotg210_chip *chip = ep->chip;
+ struct fotg210_regs *regs = chip->regs;
+ struct fotg210_request *req;
+
+ req = container_of(_req, struct fotg210_request, req);
+ if (!_req || !_req->complete || !_req->buf
+ || !list_empty(&req->queue)) {
+ printf("fotg210: invalid request to ep%d\n", ep->id);
+ return -EINVAL;
+ }
+
+ if (!chip || chip->state == USB_STATE_SUSPENDED) {
+ printf("fotg210: request while chip suspended\n");
+ return -EINVAL;
+ }
+
+ req->req.actual = 0;
+ req->req.status = -EINPROGRESS;
+
+ if (req->req.length == 0) {
+ req->req.status = 0;
+ if (req->req.complete)
+ req->req.complete(&ep->ep, &req->req);
+ return 0;
+ }
+
+ if (ep->id == 0) {
+ do {
+ int len = fotg210_dma(ep, req);
+ if (len < ep->ep.maxpacket)
+ break;
+ if (ep->desc->bEndpointAddress & USB_DIR_IN)
+ udelay(100);
+ } while (req->req.length > req->req.actual);
+ } else {
+ if (ep->desc->bEndpointAddress & USB_DIR_IN) {
+ do {
+ int len = fotg210_dma(ep, req);
+ if (len < ep->ep.maxpacket)
+ break;
+ } while (req->req.length > req->req.actual);
+ } else {
+ list_add_tail(&req->queue, &ep->queue);
+ clrbits_le32(&regs->gimr1,
+ GIMR1_FIFO_RX(ep_to_fifo(chip, ep->id)));
+ }
+ }
+
+ if (ep->id == 0 || (ep->desc->bEndpointAddress & USB_DIR_IN)) {
+ if (req->req.complete)
+ req->req.complete(&ep->ep, &req->req);
+ }
+
+ return 0;
+}
+
+static int fotg210_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req)
+{
+ struct fotg210_ep *ep = container_of(_ep, struct fotg210_ep, ep);
+ struct fotg210_request *req;
+
+ /* make sure it's actually queued on this endpoint */
+ list_for_each_entry(req, &ep->queue, queue) {
+ if (&req->req == _req)
+ break;
+ }
+ if (&req->req != _req)
+ return -EINVAL;
+
+ /* remove the request */
+ list_del_init(&req->queue);
+
+ /* update status & invoke complete callback */
+ if (req->req.status == -EINPROGRESS) {
+ req->req.status = -ECONNRESET;
+ if (req->req.complete)
+ req->req.complete(_ep, &req->req);
+ }
+
+ return 0;
+}
+
+static int fotg210_ep_halt(struct usb_ep *_ep, int halt)
+{
+ struct fotg210_ep *ep = container_of(_ep, struct fotg210_ep, ep);
+ struct fotg210_chip *chip = ep->chip;
+ struct fotg210_regs *regs = chip->regs;
+ int ret = -1;
+
+ debug("fotg210: ep%d halt=%d\n", ep->id, halt);
+
+ /* Endpoint STALL */
+ if (ep->id > 0 && ep->id <= CFG_NUM_ENDPOINTS) {
+ if (halt) {
+ /* wait until all ep fifo empty */
+ fotg210_cxwait(chip, 0xf00);
+ /* stall */
+ if (ep->desc->bEndpointAddress & USB_DIR_IN) {
+ setbits_le32(&regs->iep[ep->id - 1],
+ IEP_STALL);
+ } else {
+ setbits_le32(&regs->oep[ep->id - 1],
+ OEP_STALL);
+ }
+ } else {
+ if (ep->desc->bEndpointAddress & USB_DIR_IN) {
+ clrbits_le32(&regs->iep[ep->id - 1],
+ IEP_STALL);
+ } else {
+ clrbits_le32(&regs->oep[ep->id - 1],
+ OEP_STALL);
+ }
+ }
+ ret = 0;
+ }
+
+ return ret;
+}
+
+/*
+ * activate/deactivate link with host.
+ */
+static void pullup(struct fotg210_chip *chip, int is_on)
+{
+ struct fotg210_regs *regs = chip->regs;
+
+ if (is_on) {
+ if (!chip->pullup) {
+ chip->state = USB_STATE_POWERED;
+ chip->pullup = 1;
+ /* enable the chip */
+ setbits_le32(&regs->dev_ctrl, DEVCTRL_EN);
+ /* clear unplug bit (BIT0) */
+ clrbits_le32(&regs->phy_tmsr, PHYTMSR_UNPLUG);
+ }
+ } else {
+ chip->state = USB_STATE_NOTATTACHED;
+ chip->pullup = 0;
+ chip->addr = 0;
+ writel(chip->addr, &regs->dev_addr);
+ /* set unplug bit (BIT0) */
+ setbits_le32(&regs->phy_tmsr, PHYTMSR_UNPLUG);
+ /* disable the chip */
+ clrbits_le32(&regs->dev_ctrl, DEVCTRL_EN);
+ }
+}
+
+static int fotg210_pullup(struct usb_gadget *_gadget, int is_on)
+{
+ struct fotg210_chip *chip;
+
+ chip = container_of(_gadget, struct fotg210_chip, gadget);
+
+ debug("fotg210: pullup=%d\n", is_on);
+
+ pullup(chip, is_on);
+
+ return 0;
+}
+
+static int fotg210_get_frame(struct usb_gadget *_gadget)
+{
+ struct fotg210_chip *chip;
+ struct fotg210_regs *regs;
+
+ chip = container_of(_gadget, struct fotg210_chip, gadget);
+ regs = chip->regs;
+
+ return SOFFNR_FNR(readl(&regs->sof_fnr));
+}
+
+static struct usb_gadget_ops fotg210_gadget_ops = {
+ .get_frame = fotg210_get_frame,
+ .pullup = fotg210_pullup,
+};
+
+static struct usb_ep_ops fotg210_ep_ops = {
+ .enable = fotg210_ep_enable,
+ .disable = fotg210_ep_disable,
+ .queue = fotg210_ep_queue,
+ .dequeue = fotg210_ep_dequeue,
+ .set_halt = fotg210_ep_halt,
+ .alloc_request = fotg210_ep_alloc_request,
+ .free_request = fotg210_ep_free_request,
+};
+
+static struct fotg210_chip controller = {
+ .regs = (void __iomem *)CONFIG_FOTG210_BASE,
+ .gadget = {
+ .name = "fotg210_udc",
+ .ops = &fotg210_gadget_ops,
+ .ep0 = &controller.ep[0].ep,
+ .speed = USB_SPEED_UNKNOWN,
+ .is_dualspeed = 1,
+ .is_otg = 0,
+ .is_a_peripheral = 0,
+ .b_hnp_enable = 0,
+ .a_hnp_support = 0,
+ .a_alt_hnp_support = 0,
+ },
+ .ep[0] = {
+ .id = 0,
+ .ep = {
+ .name = "ep0",
+ .ops = &fotg210_ep_ops,
+ },
+ .desc = &ep0_desc,
+ .chip = &controller,
+ .maxpacket = CFG_EP0_MAX_PACKET_SIZE,
+ },
+ .ep[1] = {
+ .id = 1,
+ .ep = {
+ .name = "ep1",
+ .ops = &fotg210_ep_ops,
+ },
+ .chip = &controller,
+ .maxpacket = CFG_EPX_MAX_PACKET_SIZE,
+ },
+ .ep[2] = {
+ .id = 2,
+ .ep = {
+ .name = "ep2",
+ .ops = &fotg210_ep_ops,
+ },
+ .chip = &controller,
+ .maxpacket = CFG_EPX_MAX_PACKET_SIZE,
+ },
+ .ep[3] = {
+ .id = 3,
+ .ep = {
+ .name = "ep3",
+ .ops = &fotg210_ep_ops,
+ },
+ .chip = &controller,
+ .maxpacket = CFG_EPX_MAX_PACKET_SIZE,
+ },
+ .ep[4] = {
+ .id = 4,
+ .ep = {
+ .name = "ep4",
+ .ops = &fotg210_ep_ops,
+ },
+ .chip = &controller,
+ .maxpacket = CFG_EPX_MAX_PACKET_SIZE,
+ },
+};
+
+int usb_gadget_handle_interrupts(void)
+{
+ struct fotg210_chip *chip = &controller;
+ struct fotg210_regs *regs = chip->regs;
+ uint32_t id, st, isr, gisr;
+
+ isr = readl(&regs->isr) & (~readl(&regs->imr));
+ gisr = readl(&regs->gisr) & (~readl(&regs->gimr));
+ if (!(isr & ISR_DEV) || !gisr)
+ return 0;
+
+ writel(ISR_DEV, &regs->isr);
+
+ /* CX interrupts */
+ if (gisr & GISR_GRP0) {
+ st = readl(&regs->gisr0);
+ writel(0, &regs->gisr0);
+
+ if (st & GISR0_CXERR)
+ printf("fotg210: cmd error\n");
+
+ if (st & GISR0_CXABORT)
+ printf("fotg210: cmd abort\n");
+
+ if (st & GISR0_CXSETUP) /* setup */
+ fotg210_setup(chip);
+ else if (st & GISR0_CXEND) /* command finish */
+ setbits_le32(&regs->cxfifo, CXFIFO_CXFIN);
+ }
+
+ /* FIFO interrupts */
+ if (gisr & GISR_GRP1) {
+ st = readl(&regs->gisr1);
+ for (id = 0; id < 4; ++id) {
+ if (st & GISR1_RX_FIFO(id))
+ fotg210_recv(chip, fifo_to_ep(chip, id, 0));
+ }
+ }
+
+ /* Device Status Interrupts */
+ if (gisr & GISR_GRP2) {
+ st = readl(&regs->gisr2);
+ writel(0, &regs->gisr2);
+
+ if (st & GISR2_RESET)
+ printf("fotg210: reset by host\n");
+ else if (st & GISR2_SUSPEND)
+ printf("fotg210: suspend/removed\n");
+ else if (st & GISR2_RESUME)
+ printf("fotg210: resume\n");
+
+ /* Errors */
+ if (st & GISR2_ISOCERR)
+ printf("fotg210: iso error\n");
+ if (st & GISR2_ISOCABT)
+ printf("fotg210: iso abort\n");
+ if (st & GISR2_DMAERR)
+ printf("fotg210: dma error\n");
+ }
+
+ return 0;
+}
+
+int usb_gadget_register_driver(struct usb_gadget_driver *driver)
+{
+ int i, ret = 0;
+ struct fotg210_chip *chip = &controller;
+
+ if (!driver || !driver->bind || !driver->setup) {
+ puts("fotg210: bad parameter.\n");
+ return -EINVAL;
+ }
+
+ INIT_LIST_HEAD(&chip->gadget.ep_list);
+ for (i = 0; i < CFG_NUM_ENDPOINTS + 1; ++i) {
+ struct fotg210_ep *ep = chip->ep + i;
+
+ ep->ep.maxpacket = ep->maxpacket;
+ INIT_LIST_HEAD(&ep->queue);
+
+ if (ep->id == 0) {
+ ep->stopped = 0;
+ } else {
+ ep->stopped = 1;
+ list_add_tail(&ep->ep.ep_list, &chip->gadget.ep_list);
+ }
+ }
+
+ if (fotg210_reset(chip)) {
+ puts("fotg210: reset failed.\n");
+ return -EINVAL;
+ }
+
+ ret = driver->bind(&chip->gadget);
+ if (ret) {
+ debug("fotg210: driver->bind() returned %d\n", ret);
+ return ret;
+ }
+ chip->driver = driver;
+
+ return ret;
+}
+
+int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
+{
+ struct fotg210_chip *chip = &controller;
+
+ driver->unbind(&chip->gadget);
+ chip->driver = NULL;
+
+ pullup(chip, 0);
+
+ return 0;
+}
diff --git a/drivers/usb/gadget/gadget_chips.h b/drivers/usb/gadget/gadget_chips.h
index e570142..f038747 100644
--- a/drivers/usb/gadget/gadget_chips.h
+++ b/drivers/usb/gadget/gadget_chips.h
@@ -150,6 +150,12 @@
#define gadget_is_mv(g) 0
#endif
+#ifdef CONFIG_USB_GADGET_FOTG210
+#define gadget_is_fotg210(g) (!strcmp("fotg210_udc", (g)->name))
+#else
+#define gadget_is_fotg210(g) 0
+#endif
+
/*
* CONFIG_USB_GADGET_SX2
* CONFIG_USB_GADGET_AU1X00
@@ -215,5 +221,7 @@ static inline int usb_gadget_controller_number(struct usb_gadget *gadget)
return 0x20;
else if (gadget_is_mv(gadget))
return 0x21;
+ else if (gadget_is_fotg210(gadget))
+ return 0x22;
return -ENOENT;
}
diff --git a/drivers/usb/gadget/pxa25x_udc.c b/drivers/usb/gadget/pxa25x_udc.c
index 9ce98f0..085503d 100644
--- a/drivers/usb/gadget/pxa25x_udc.c
+++ b/drivers/usb/gadget/pxa25x_udc.c
@@ -314,7 +314,8 @@ static int pxa25x_ep_enable(struct usb_ep *_ep,
if (!_ep || !desc || ep->desc || _ep->name == ep0name
|| desc->bDescriptorType != USB_DT_ENDPOINT
|| ep->bEndpointAddress != desc->bEndpointAddress
- || ep->fifo_size < le16_to_cpu(desc->wMaxPacketSize)) {
+ || ep->fifo_size <
+ le16_to_cpu(get_unaligned(&desc->wMaxPacketSize))) {
printf("%s, bad ep or descriptor\n", __func__);
return -EINVAL;
}
@@ -329,9 +330,9 @@ static int pxa25x_ep_enable(struct usb_ep *_ep,
/* hardware _could_ do smaller, but driver doesn't */
if ((desc->bmAttributes == USB_ENDPOINT_XFER_BULK
- && le16_to_cpu(desc->wMaxPacketSize)
+ && le16_to_cpu(get_unaligned(&desc->wMaxPacketSize))
!= BULK_FIFO_SIZE)
- || !desc->wMaxPacketSize) {
+ || !get_unaligned(&desc->wMaxPacketSize)) {
printf("%s, bad %s maxpacket\n", __func__, _ep->name);
return -ERANGE;
}
@@ -345,7 +346,7 @@ static int pxa25x_ep_enable(struct usb_ep *_ep,
ep->desc = desc;
ep->stopped = 0;
ep->pio_irqs = 0;
- ep->ep.maxpacket = le16_to_cpu(desc->wMaxPacketSize);
+ ep->ep.maxpacket = le16_to_cpu(get_unaligned(&desc->wMaxPacketSize));
/* flush fifo (mostly for OUT buffers) */
pxa25x_ep_fifo_flush(_ep);
@@ -485,7 +486,7 @@ write_fifo(struct pxa25x_ep *ep, struct pxa25x_request *req)
{
unsigned max;
- max = le16_to_cpu(ep->desc->wMaxPacketSize);
+ max = le16_to_cpu(get_unaligned(&ep->desc->wMaxPacketSize));
do {
unsigned count;
int is_last, is_short;
@@ -766,7 +767,7 @@ pxa25x_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
*/
if (unlikely(ep->bmAttributes == USB_ENDPOINT_XFER_ISOC
&& req->req.length >
- le16_to_cpu(ep->desc->wMaxPacketSize)))
+ le16_to_cpu(get_unaligned(&ep->desc->wMaxPacketSize))))
return -EMSGSIZE;
debug_cond(NOISY, "%s queue req %p, len %d buf %p\n",
diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile
index 87a5970..98f2a10 100644
--- a/drivers/usb/host/Makefile
+++ b/drivers/usb/host/Makefile
@@ -43,6 +43,7 @@ COBJS-$(CONFIG_USB_EHCI_FSL) += ehci-mpc512x.o
else
COBJS-$(CONFIG_USB_EHCI_FSL) += ehci-fsl.o
endif
+COBJS-$(CONFIG_USB_EHCI_FARADAY) += ehci-faraday.o
COBJS-$(CONFIG_USB_EHCI_EXYNOS) += ehci-exynos.o
COBJS-$(CONFIG_USB_EHCI_MXC) += ehci-mxc.o
COBJS-$(CONFIG_USB_EHCI_MXS) += ehci-mxs.o
diff --git a/drivers/usb/host/ehci-faraday.c b/drivers/usb/host/ehci-faraday.c
new file mode 100644
index 0000000..86add36
--- /dev/null
+++ b/drivers/usb/host/ehci-faraday.c
@@ -0,0 +1,148 @@
+/*
+ * Faraday USB 2.0 EHCI Controller
+ *
+ * (C) Copyright 2010 Faraday Technology
+ * Dante Su <dantesu@faraday-tech.com>
+ *
+ * This file is released under the terms of GPL v2 and any later version.
+ * See the file COPYING in the root directory of the source tree for details.
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <usb.h>
+#include <usb/fusbh200.h>
+#include <usb/fotg210.h>
+
+#include "ehci.h"
+
+#ifndef CONFIG_USB_EHCI_BASE_LIST
+#define CONFIG_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);
+}
+
+/*
+ * Create the appropriate control structures to manage
+ * a new EHCI host controller.
+ */
+int ehci_hcd_init(int index, 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[] = CONFIG_USB_EHCI_BASE_LIST;
+
+ if (index < 0 || index >= ARRAY_SIZE(base_list))
+ return -1;
+ 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;
+}
+
+/*
+ * This ehci_set_usbmode() overrides the weak function
+ * in "ehci-hcd.c".
+ */
+void ehci_set_usbmode(int index)
+{
+ /* nothing needs to be done */
+}
+
+/*
+ * This ehci_get_port_speed() overrides the weak function
+ * in "ehci-hcd.c".
+ */
+int ehci_get_port_speed(struct ehci_hcor *hcor, uint32_t reg)
+{
+ int spd, ret = PORTSC_PSPD_HS;
+ union ehci_faraday_regs *regs = (void __iomem *)((ulong)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;
+}
+
+/*
+ * This ehci_get_portsc_register() overrides the weak function
+ * in "ehci-hcd.c".
+ */
+uint32_t *ehci_get_portsc_register(struct ehci_hcor *hcor, 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 *)hcor + 0x20);
+}
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index e0f3e4b..706cf0c 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -589,10 +589,12 @@ ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
dev->act_len = length - QT_TOKEN_GET_TOTALBYTES(token);
} 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);
@@ -603,6 +605,17 @@ fail:
return -1;
}
+__weak uint32_t *ehci_get_portsc_register(struct ehci_hcor *hcor, int port)
+{
+ if (port < 0 || port >= CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS) {
+ /* Printing the message would cause a scan failure! */
+ debug("The request port(%u) is not configured\n", port);
+ return NULL;
+ }
+
+ return (uint32_t *)&hcor->or_portsc[port];
+}
+
int
ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
int length, struct devrequest *req)
@@ -616,11 +629,6 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
int port = le16_to_cpu(req->index) & 0xff;
struct ehci_ctrl *ctrl = dev->controller;
- if (port > CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS) {
- printf("The request port(%d) is not configured\n", port - 1);
- return -1;
- }
- status_reg = (uint32_t *)&ctrl->hcor->or_portsc[port - 1];
srclen = 0;
debug("req=%u (%#x), type=%u (%#x), value=%u, index=%u\n",
@@ -631,6 +639,19 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
typeReq = req->request | req->requesttype << 8;
switch (typeReq) {
+ case USB_REQ_GET_STATUS | ((USB_RT_PORT | USB_DIR_IN) << 8):
+ case USB_REQ_SET_FEATURE | ((USB_DIR_OUT | USB_RT_PORT) << 8):
+ case USB_REQ_CLEAR_FEATURE | ((USB_DIR_OUT | USB_RT_PORT) << 8):
+ status_reg = ehci_get_portsc_register(ctrl->hcor, port - 1);
+ if (!status_reg)
+ return -1;
+ break;
+ default:
+ status_reg = NULL;
+ break;
+ }
+
+ switch (typeReq) {
case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
switch (le16_to_cpu(req->value) >> 8) {
case USB_DT_DEVICE:
@@ -809,21 +830,23 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
break;
case USB_REQ_CLEAR_FEATURE | ((USB_DIR_OUT | USB_RT_PORT) << 8):
reg = ehci_readl(status_reg);
+ reg &= ~EHCI_PS_CLEAR;
switch (le16_to_cpu(req->value)) {
case USB_PORT_FEAT_ENABLE:
reg &= ~EHCI_PS_PE;
break;
case USB_PORT_FEAT_C_ENABLE:
- reg = (reg & ~EHCI_PS_CLEAR) | EHCI_PS_PE;
+ reg |= EHCI_PS_PE;
break;
case USB_PORT_FEAT_POWER:
if (HCS_PPC(ehci_readl(&ctrl->hccr->cr_hcsparams)))
- reg = reg & ~(EHCI_PS_CLEAR | EHCI_PS_PP);
+ reg &= ~EHCI_PS_PP;
+ break;
case USB_PORT_FEAT_C_CONNECTION:
- reg = (reg & ~EHCI_PS_CLEAR) | EHCI_PS_CSC;
+ reg |= EHCI_PS_CSC;
break;
case USB_PORT_FEAT_OVER_CURRENT:
- reg = (reg & ~EHCI_PS_CLEAR) | EHCI_PS_OCC;
+ reg |= EHCI_PS_OCC;
break;
case USB_PORT_FEAT_C_RESET:
ctrl->portreset &= ~(1 << port);
@@ -903,6 +926,9 @@ int usb_lowlevel_init(int index, void **controller)
qh_list->qh_overlay.qt_token =
cpu_to_hc32(QT_TOKEN_STATUS(QT_TOKEN_STATUS_HALTED));
+ flush_dcache_range((uint32_t)qh_list,
+ ALIGN_END_ADDR(struct QH, qh_list, 1));
+
/* Set async. queue head pointer. */
ehci_writel(&ehcic[index].hcor->or_asynclistaddr, (uint32_t)qh_list);
@@ -916,6 +942,9 @@ int usb_lowlevel_init(int index, void **controller)
periodic->qh_overlay.qt_next = cpu_to_hc32(QT_NEXT_TERMINATE);
periodic->qh_overlay.qt_altnext = cpu_to_hc32(QT_NEXT_TERMINATE);
+ flush_dcache_range((uint32_t)periodic,
+ ALIGN_END_ADDR(struct QH, periodic, 1));
+
/*
* Step 2: Setup frame-list: Every microframe, USB tries the same list.
* In particular, device specifications on polling frequency
@@ -933,6 +962,10 @@ int usb_lowlevel_init(int index, void **controller)
| QH_LINK_TYPE_QH;
}
+ flush_dcache_range((uint32_t)ehcic[index].periodic_list,
+ ALIGN_END_ADDR(uint32_t, ehcic[index].periodic_list,
+ 1024));
+
/* Set periodic list base address */
ehci_writel(&ehcic[index].hcor->or_periodiclistbase,
(uint32_t)ehcic[index].periodic_list);
@@ -959,10 +992,13 @@ int usb_lowlevel_init(int index, void **controller)
cmd |= CMD_RUN;
ehci_writel(&ehcic[index].hcor->or_usbcmd, cmd);
+#ifndef CONFIG_USB_EHCI_FARADAY
/* take control over the ports */
cmd = ehci_readl(&ehcic[index].hcor->or_configflag);
cmd |= FLAG_CF;
ehci_writel(&ehcic[index].hcor->or_configflag, cmd);
+#endif
+
/* unblock posted write */
cmd = ehci_readl(&ehcic[index].hcor->or_usbcmd);
mdelay(5);
@@ -1144,6 +1180,16 @@ create_int_queue(struct usb_device *dev, unsigned long pipe, int queuesize,
*buf = buffer + i * elementsize;
}
+ flush_dcache_range((uint32_t)buffer,
+ ALIGN_END_ADDR(char, buffer,
+ queuesize * elementsize));
+ flush_dcache_range((uint32_t)result->first,
+ ALIGN_END_ADDR(struct QH, result->first,
+ queuesize));
+ flush_dcache_range((uint32_t)result->tds,
+ ALIGN_END_ADDR(struct qTD, result->tds,
+ queuesize));
+
if (disable_periodic(ctrl) < 0) {
debug("FATAL: periodic should never fail, but did");
goto fail3;
@@ -1154,6 +1200,11 @@ create_int_queue(struct usb_device *dev, unsigned long pipe, int queuesize,
result->last->qh_link = list->qh_link;
list->qh_link = (uint32_t)result->first | QH_LINK_TYPE_QH;
+ flush_dcache_range((uint32_t)result->last,
+ ALIGN_END_ADDR(struct QH, result->last, 1));
+ flush_dcache_range((uint32_t)list,
+ ALIGN_END_ADDR(struct QH, list, 1));
+
if (enable_periodic(ctrl) < 0) {
debug("FATAL: periodic should never fail, but did");
goto fail3;
@@ -1184,6 +1235,8 @@ void *poll_int_queue(struct usb_device *dev, struct int_queue *queue)
return NULL;
}
/* still active */
+ invalidate_dcache_range((uint32_t)cur,
+ ALIGN_END_ADDR(struct QH, cur, 1));
if (cur->qh_overlay.qt_token & 0x80) {
debug("Exit poll_int_queue with no completed intr transfer. "
"token is %x\n", cur->qh_overlay.qt_token);
@@ -1290,6 +1343,9 @@ submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
return -EINVAL;
}
+ invalidate_dcache_range((uint32_t)buffer,
+ ALIGN_END_ADDR(char, buffer, length));
+
ret = destroy_int_queue(dev, queue);
if (ret < 0)
return ret;
generated by cgit v1.1 at 2024-08-25 18:24:59 +0000