Merge git://git.denx.de/u-boot-usb

This commit is contained in:
Tom Rini 2015-05-29 07:31:38 -04:00
commit cac6d4bfdc
6 changed files with 141 additions and 29 deletions

View File

@ -959,8 +959,6 @@ static int get_descriptor_len(struct usb_device *dev, int len, int expect_len)
static int usb_setup_descriptor(struct usb_device *dev, bool do_read)
{
__maybe_unused struct usb_device_descriptor *desc;
/*
* This is a Windows scheme of initialization sequence, with double
* reset of the device (Linux uses the same sequence)

View File

@ -31,7 +31,7 @@ int overwrite_console(void)
#endif
/* Keyboard sampling rate */
#define REPEAT_RATE (40 / 4) /* 40msec -> 25cps */
#define REPEAT_RATE 40 /* 40msec -> 25cps */
#define REPEAT_DELAY 10 /* 10 x REPEAT_RATE = 400msec */
#define NUM_LOCK 0x53
@ -103,6 +103,7 @@ struct usb_kbd_pdata {
unsigned long intpipe;
int intpktsize;
int intinterval;
unsigned long last_report;
struct int_queue *intq;
uint32_t repeat_delay;
@ -310,7 +311,7 @@ static int usb_kbd_irq(struct usb_device *dev)
/* Interrupt polling */
static inline void usb_kbd_poll_for_event(struct usb_device *dev)
{
#if defined(CONFIG_SYS_USB_EVENT_POLL)
#if defined(CONFIG_SYS_USB_EVENT_POLL)
struct usb_kbd_pdata *data = dev->privptr;
/* Submit a interrupt transfer request */
@ -318,15 +319,17 @@ static inline void usb_kbd_poll_for_event(struct usb_device *dev)
data->intinterval);
usb_kbd_irq_worker(dev);
#elif defined(CONFIG_SYS_USB_EVENT_POLL_VIA_CONTROL_EP)
#elif defined(CONFIG_SYS_USB_EVENT_POLL_VIA_CONTROL_EP) || \
defined(CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE)
#if defined(CONFIG_SYS_USB_EVENT_POLL_VIA_CONTROL_EP)
struct usb_interface *iface;
struct usb_kbd_pdata *data = dev->privptr;
iface = &dev->config.if_desc[0];
usb_get_report(dev, iface->desc.bInterfaceNumber,
1, 0, data->new, USB_KBD_BOOT_REPORT_SIZE);
if (memcmp(data->old, data->new, USB_KBD_BOOT_REPORT_SIZE))
if (memcmp(data->old, data->new, USB_KBD_BOOT_REPORT_SIZE)) {
usb_kbd_irq_worker(dev);
#elif defined(CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE)
#else
struct usb_kbd_pdata *data = dev->privptr;
if (poll_int_queue(dev, data->intq)) {
usb_kbd_irq_worker(dev);
@ -335,6 +338,13 @@ static inline void usb_kbd_poll_for_event(struct usb_device *dev)
data->intq = create_int_queue(dev, data->intpipe, 1,
USB_KBD_BOOT_REPORT_SIZE, data->new,
data->intinterval);
#endif
data->last_report = get_timer(0);
/* Repeat last usb hid report every REPEAT_RATE ms for keyrepeat */
} else if (data->last_report != -1 &&
get_timer(data->last_report) > REPEAT_RATE) {
usb_kbd_irq_worker(dev);
data->last_report = get_timer(0);
}
#endif
}
@ -445,12 +455,16 @@ static int usb_kbd_probe(struct usb_device *dev, unsigned int ifnum)
data->intpktsize = min(usb_maxpacket(dev, data->intpipe),
USB_KBD_BOOT_REPORT_SIZE);
data->intinterval = ep->bInterval;
data->last_report = -1;
/* We found a USB Keyboard, install it. */
usb_set_protocol(dev, iface->desc.bInterfaceNumber, 0);
#if !defined(CONFIG_SYS_USB_EVENT_POLL_VIA_CONTROL_EP) && \
!defined(CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE)
debug("USB KBD: found set idle...\n");
usb_set_idle(dev, iface->desc.bInterfaceNumber, REPEAT_RATE, 0);
usb_set_idle(dev, iface->desc.bInterfaceNumber, REPEAT_RATE / 4, 0);
#endif
debug("USB KBD: enable interrupt pipe...\n");
#ifdef CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE

View File

@ -50,6 +50,8 @@
/* For each endpoint, we need 2 QTDs, one for each of IN and OUT */
#define ILIST_SZ (NUM_ENDPOINTS * 2 * ILIST_ENT_SZ)
#define EP_MAX_LENGTH_TRANSFER 0x4000
#ifndef DEBUG
#define DBG(x...) do {} while (0)
#else
@ -102,13 +104,28 @@ static struct usb_ep_ops ci_ep_ops = {
};
/* Init values for USB endpoints. */
static const struct usb_ep ci_ep_init[2] = {
static const struct usb_ep ci_ep_init[5] = {
[0] = { /* EP 0 */
.maxpacket = 64,
.name = "ep0",
.ops = &ci_ep_ops,
},
[1] = { /* EP 1..n */
[1] = {
.maxpacket = 512,
.name = "ep1in-bulk",
.ops = &ci_ep_ops,
},
[2] = {
.maxpacket = 512,
.name = "ep2out-bulk",
.ops = &ci_ep_ops,
},
[3] = {
.maxpacket = 512,
.name = "ep3in-int",
.ops = &ci_ep_ops,
},
[4] = {
.maxpacket = 512,
.name = "ep-",
.ops = &ci_ep_ops,
@ -196,6 +213,19 @@ static void ci_flush_qtd(int ep_num)
flush_dcache_range(start, end);
}
/**
* ci_flush_td - flush cache over queue item
* @td: td pointer
*
* This function flushes cache for particular transfer descriptor.
*/
static void ci_flush_td(struct ept_queue_item *td)
{
const uint32_t start = (uint32_t)td;
const uint32_t end = (uint32_t) td + ILIST_ENT_SZ;
flush_dcache_range(start, end);
}
/**
* ci_invalidate_qtd - invalidate cache over queue item
* @ep_num: Endpoint number
@ -211,6 +241,19 @@ static void ci_invalidate_qtd(int ep_num)
invalidate_dcache_range(start, end);
}
/**
* ci_invalidate_td - invalidate cache over queue item
* @td: td pointer
*
* This function invalidates cache for particular transfer descriptor.
*/
static void ci_invalidate_td(struct ept_queue_item *td)
{
const uint32_t start = (uint32_t)td;
const uint32_t end = start + ILIST_ENT_SZ;
invalidate_dcache_range(start, end);
}
static struct usb_request *
ci_ep_alloc_request(struct usb_ep *ep, unsigned int gfp_flags)
{
@ -376,6 +419,9 @@ static void ci_ep_submit_next_request(struct ci_ep *ci_ep)
struct ept_queue_head *head;
int bit, num, len, in;
struct ci_req *ci_req;
u8 *buf;
uint32_t length, actlen;
struct ept_queue_item *dtd, *qtd;
ci_ep->req_primed = true;
@ -387,16 +433,41 @@ static void ci_ep_submit_next_request(struct ci_ep *ci_ep)
ci_req = list_first_entry(&ci_ep->queue, struct ci_req, queue);
len = ci_req->req.length;
item->info = INFO_BYTES(len) | INFO_ACTIVE;
item->page0 = (unsigned long)ci_req->hw_buf;
item->page1 = ((unsigned long)ci_req->hw_buf & 0xfffff000) + 0x1000;
item->page2 = ((unsigned long)ci_req->hw_buf & 0xfffff000) + 0x2000;
item->page3 = ((unsigned long)ci_req->hw_buf & 0xfffff000) + 0x3000;
item->page4 = ((unsigned long)ci_req->hw_buf & 0xfffff000) + 0x4000;
head->next = (unsigned long)item;
head->info = 0;
ci_req->dtd_count = 0;
buf = ci_req->hw_buf;
actlen = 0;
dtd = item;
do {
length = min(ci_req->req.length - actlen,
(unsigned)EP_MAX_LENGTH_TRANSFER);
dtd->info = INFO_BYTES(length) | INFO_ACTIVE;
dtd->page0 = (unsigned long)buf;
dtd->page1 = ((unsigned long)buf & 0xfffff000) + 0x1000;
dtd->page2 = ((unsigned long)buf & 0xfffff000) + 0x2000;
dtd->page3 = ((unsigned long)buf & 0xfffff000) + 0x3000;
dtd->page4 = ((unsigned long)buf & 0xfffff000) + 0x4000;
len -= length;
actlen += length;
buf += length;
if (len) {
qtd = (struct ept_queue_item *)
memalign(ILIST_ALIGN, ILIST_ENT_SZ);
dtd->next = (uint32_t)qtd;
dtd = qtd;
memset(dtd, 0, ILIST_ENT_SZ);
}
ci_req->dtd_count++;
} while (len);
item = dtd;
/*
* When sending the data for an IN transaction, the attached host
* knows that all data for the IN is sent when one of the following
@ -432,6 +503,12 @@ static void ci_ep_submit_next_request(struct ci_ep *ci_ep)
ci_flush_qtd(num);
item = (struct ept_queue_item *)head->next;
while (item->next != TERMINATE) {
ci_flush_td((struct ept_queue_item *)item->next);
item = (struct ept_queue_item *)item->next;
}
DBG("ept%d %s queue len %x, req %p, buffer %p\n",
num, in ? "in" : "out", len, ci_req, ci_req->hw_buf);
ci_flush_qh(num);
@ -497,21 +574,31 @@ static void flip_ep0_direction(void)
static void handle_ep_complete(struct ci_ep *ci_ep)
{
struct ept_queue_item *item;
int num, in, len;
struct ept_queue_item *item, *next_td;
int num, in, len, j;
struct ci_req *ci_req;
num = ci_ep->desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
in = (ci_ep->desc->bEndpointAddress & USB_DIR_IN) != 0;
item = ci_get_qtd(num, in);
ci_invalidate_qtd(num);
len = (item->info >> 16) & 0x7fff;
if (item->info & 0xff)
printf("EP%d/%s FAIL info=%x pg0=%x\n",
num, in ? "in" : "out", item->info, item->page0);
ci_req = list_first_entry(&ci_ep->queue, struct ci_req, queue);
next_td = item;
len = 0;
for (j = 0; j < ci_req->dtd_count; j++) {
ci_invalidate_td(next_td);
item = next_td;
len += (item->info >> 16) & 0x7fff;
if (item->info & 0xff)
printf("EP%d/%s FAIL info=%x pg0=%x\n",
num, in ? "in" : "out", item->info, item->page0);
if (j != ci_req->dtd_count - 1)
next_td = (struct ept_queue_item *)item->next;
if (j != 0)
free(item);
}
list_del_init(&ci_req->queue);
ci_ep->req_primed = false;
@ -852,9 +939,19 @@ static int ci_udc_probe(void)
controller.gadget.ep0 = &controller.ep[0].ep;
INIT_LIST_HEAD(&controller.gadget.ep0->ep_list);
/* Init EP 1..n */
for (i = 1; i < NUM_ENDPOINTS; i++) {
memcpy(&controller.ep[i].ep, &ci_ep_init[1],
/* Init EP 1..3 */
for (i = 1; i < 4; i++) {
memcpy(&controller.ep[i].ep, &ci_ep_init[i],
sizeof(*ci_ep_init));
INIT_LIST_HEAD(&controller.ep[i].queue);
controller.ep[i].req_primed = false;
list_add_tail(&controller.ep[i].ep.ep_list,
&controller.gadget.ep_list);
}
/* Init EP 4..n */
for (i = 4; i < NUM_ENDPOINTS; i++) {
memcpy(&controller.ep[i].ep, &ci_ep_init[4],
sizeof(*ci_ep_init));
INIT_LIST_HEAD(&controller.ep[i].queue);
controller.ep[i].req_primed = false;

View File

@ -86,6 +86,7 @@ struct ci_req {
/* Buffer for the current transfer. Either req.buf/len or b_buf/len */
uint8_t *hw_buf;
uint32_t hw_len;
uint32_t dtd_count;
};
struct ci_ep {

View File

@ -932,7 +932,8 @@ int usb_lowlevel_init(int index, enum usb_init_type init, void **controller)
snpsid = readl(&regs->gsnpsid);
printf("Core Release: %x.%03x\n", snpsid >> 12 & 0xf, snpsid & 0xfff);
if ((snpsid & DWC2_SNPSID_DEVID_MASK) != DWC2_SNPSID_DEVID_VER_2xx) {
if ((snpsid & DWC2_SNPSID_DEVID_MASK) != DWC2_SNPSID_DEVID_VER_2xx &&
(snpsid & DWC2_SNPSID_DEVID_MASK) != DWC2_SNPSID_DEVID_VER_3xx) {
printf("SNPSID invalid (not DWC2 OTG device): %08x\n", snpsid);
return -ENODEV;
}

View File

@ -732,6 +732,7 @@ struct dwc2_core_regs {
#define DWC2_PCGCCTL_DEEP_SLEEP (1 << 7)
#define DWC2_PCGCCTL_DEEP_SLEEP_OFFSET 7
#define DWC2_SNPSID_DEVID_VER_2xx (0x4f542 << 12)
#define DWC2_SNPSID_DEVID_VER_3xx (0x4f543 << 12)
#define DWC2_SNPSID_DEVID_MASK (0xfffff << 12)
#define DWC2_SNPSID_DEVID_OFFSET 12