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path: root/drivers/usb/usb_ehci_core.c
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Diffstat (limited to 'drivers/usb/usb_ehci_core.c')
-rw-r--r--drivers/usb/usb_ehci_core.c243
1 files changed, 148 insertions, 95 deletions
diff --git a/drivers/usb/usb_ehci_core.c b/drivers/usb/usb_ehci_core.c
index deb9dd058f..590004c623 100644
--- a/drivers/usb/usb_ehci_core.c
+++ b/drivers/usb/usb_ehci_core.c
@@ -20,19 +20,30 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
+/*#define DEBUG */
#include <common.h>
#include <asm/byteorder.h>
-#include <usb.h>
+#include <usb/usb.h>
#include <asm/io.h>
#include <malloc.h>
+#include <driver.h>
+#include <init.h>
+#include <xfuncs.h>
+#include <clock.h>
+
#include "usb_ehci.h"
-int rootdev;
-struct ehci_hccr *hccr; /* R/O registers, not need for volatile */
-volatile struct ehci_hcor *hcor;
+struct ehci_priv {
+ int rootdev;
+ struct ehci_hccr *hccr;
+ struct ehci_hcor *hcor;
+ struct usb_host host;
+ struct QH *qh_list;
+ void *qhp;
+ int portreset;
+};
-static uint16_t portreset;
-static struct QH qh_list __attribute__((aligned(32)));
+#define to_ehci(ptr) container_of(ptr, struct ehci_priv, host)
static struct descriptor {
struct usb_hub_descriptor hub;
@@ -99,6 +110,7 @@ static struct descriptor {
255 /* bInterval */
},
};
+#define CONFIG_EHCI_IS_TDI // FIXME
#if defined(CONFIG_EHCI_IS_TDI)
#define ehci_is_TDI() (1)
@@ -146,6 +158,7 @@ static void cache_qh(struct QH *qh, int flush)
* Walk the QH list and flush/invalidate all entries
*/
while (1) {
+ printf("huhu\n");
flush_invalidate((u32)qh_addr(qh), sizeof(struct QH), flush);
if ((u32)qh & QH_LINK_TYPE_QH)
break;
@@ -167,6 +180,7 @@ static void cache_qh(struct QH *qh, int flush)
* Walk the qTD list and flush/invalidate all entries
*/
while (1) {
+ printf("haha\n");
if (qtd == NULL)
break;
cache_qtd(qtd, flush);
@@ -202,6 +216,7 @@ static inline void ehci_invalidate_dcache(struct QH *qh)
static int handshake(uint32_t *ptr, uint32_t mask, uint32_t done, int usec)
{
uint32_t result;
+
do {
result = ehci_readl(ptr);
if (result == ~(uint32_t)0)
@@ -220,24 +235,24 @@ static void ehci_free(void *p, size_t sz)
}
-static int ehci_reset(void)
+static int ehci_reset(struct ehci_priv *ehci)
{
uint32_t cmd;
uint32_t tmp;
uint32_t *reg_ptr;
int ret = 0;
- cmd = ehci_readl(&hcor->or_usbcmd);
+ cmd = ehci_readl(&ehci->hcor->or_usbcmd);
cmd |= CMD_RESET;
- ehci_writel(&hcor->or_usbcmd, cmd);
- ret = handshake((uint32_t *)&hcor->or_usbcmd, CMD_RESET, 0, 250 * 1000);
+ ehci_writel(&ehci->hcor->or_usbcmd, cmd);
+ ret = handshake(&ehci->hcor->or_usbcmd, CMD_RESET, 0, 250 * 1000);
if (ret < 0) {
printf("EHCI fail to reset\n");
goto out;
}
if (ehci_is_TDI()) {
- reg_ptr = (uint32_t *)((u8 *)hcor + USBMODE);
+ reg_ptr = (uint32_t *)((u8 *)&ehci->hcor + USBMODE);
tmp = ehci_readl(reg_ptr);
tmp |= USBMODE_CM_HC;
#if defined(CONFIG_EHCI_MMIO_BIG_ENDIAN)
@@ -308,15 +323,17 @@ static int
ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
int length, struct devrequest *req)
{
+ struct usb_host *host = dev->host;
+ struct ehci_priv *ehci = to_ehci(host);
struct QH *qh;
struct qTD *td;
volatile struct qTD *vtd;
- unsigned long ts;
uint32_t *tdp;
uint32_t endpt, token, usbsts;
uint32_t c, toggle;
uint32_t cmd;
int ret = 0;
+ uint64_t start;
debug("dev=%p, pipe=%lx, buffer=%p, length=%d, req=%p\n", dev, pipe,
buffer, length, req);
@@ -328,11 +345,12 @@ ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
le16_to_cpu(req->index));
qh = ehci_alloc(sizeof(struct QH), 32);
- if (qh == NULL) {
- debug("unable to allocate QH\n");
+ if (!qh) {
+ printf("unable to allocate QH\n");
return -1;
}
- qh->qh_link = cpu_to_hc32((uint32_t)&qh_list | QH_LINK_TYPE_QH);
+
+ qh->qh_link = cpu_to_hc32((uint32_t)ehci->qh_list | QH_LINK_TYPE_QH);
c = (usb_pipespeed(pipe) != USB_SPEED_HIGH &&
usb_pipeendpoint(pipe) == 0) ? 1 : 0;
endpt = (8 << 28) |
@@ -359,8 +377,8 @@ ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
if (req != NULL) {
td = ehci_alloc(sizeof(struct qTD), 32);
- if (td == NULL) {
- debug("unable to allocate SETUP td\n");
+ if (!td) {
+ printf("unable to allocate SETUP td\n");
goto fail;
}
td->qt_next = cpu_to_hc32(QT_NEXT_TERMINATE);
@@ -376,13 +394,14 @@ ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
}
*tdp = cpu_to_hc32((uint32_t) td);
tdp = &td->qt_next;
+
toggle = 1;
}
if (length > 0 || req == NULL) {
td = ehci_alloc(sizeof(struct qTD), 32);
- if (td == NULL) {
- debug("unable to allocate DATA td\n");
+ if (!td) {
+ printf("unable to allocate DATA td\n");
goto fail;
}
td->qt_next = cpu_to_hc32(QT_NEXT_TERMINATE);
@@ -395,7 +414,7 @@ ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
((usb_pipein(pipe) ? 1 : 0) << 8) | (0x80 << 0);
td->qt_token = cpu_to_hc32(token);
if (ehci_td_buffer(td, buffer, length) != 0) {
- debug("unable construct DATA td\n");
+ printf("unable construct DATA td\n");
ehci_free(td, sizeof(*td));
goto fail;
}
@@ -403,10 +422,10 @@ ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
tdp = &td->qt_next;
}
- if (req != NULL) {
+ if (req) {
td = ehci_alloc(sizeof(struct qTD), 32);
- if (td == NULL) {
- debug("unable to allocate ACK td\n");
+ if (!td) {
+ printf("unable to allocate ACK td\n");
goto fail;
}
td->qt_next = cpu_to_hc32(QT_NEXT_TERMINATE);
@@ -418,56 +437,55 @@ ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
(3 << 10) |
((usb_pipein(pipe) ? 0 : 1) << 8) | (0x80 << 0);
td->qt_token = cpu_to_hc32(token);
- *tdp = cpu_to_hc32((uint32_t) td);
+ *tdp = cpu_to_hc32((uint32_t)td);
tdp = &td->qt_next;
}
- qh_list.qh_link = cpu_to_hc32((uint32_t) qh | QH_LINK_TYPE_QH);
+ ehci->qh_list->qh_link = cpu_to_hc32((uint32_t) qh | QH_LINK_TYPE_QH);
/* Flush dcache */
- ehci_flush_dcache(&qh_list);
+ ehci_flush_dcache(ehci->qh_list);
- usbsts = ehci_readl(&hcor->or_usbsts);
- ehci_writel(&hcor->or_usbsts, (usbsts & 0x3f));
+ usbsts = ehci_readl(&ehci->hcor->or_usbsts);
+ ehci_writel(&ehci->hcor->or_usbsts, (usbsts & 0x3f));
/* Enable async. schedule. */
- cmd = ehci_readl(&hcor->or_usbcmd);
+ cmd = ehci_readl(&ehci->hcor->or_usbcmd);
cmd |= CMD_ASE;
- ehci_writel(&hcor->or_usbcmd, cmd);
+ ehci_writel(&ehci->hcor->or_usbcmd, cmd);
- ret = handshake((uint32_t *)&hcor->or_usbsts, STD_ASS, STD_ASS,
- 100 * 1000);
+ ret = handshake(&ehci->hcor->or_usbsts, STD_ASS, STD_ASS, 100 * 1000);
if (ret < 0) {
printf("EHCI fail timeout STD_ASS set\n");
goto fail;
}
-#if 0
+
/* Wait for TDs to be processed. */
- ts = get_timer(0);
+ start = get_time_ns();
vtd = td;
do {
/* Invalidate dcache */
- ehci_invalidate_dcache(&qh_list);
+ ehci_invalidate_dcache(ehci->qh_list);
token = hc32_to_cpu(vtd->qt_token);
- if (!(token & 0x80))
+ if (is_timeout(start, SECOND)) {
+ printf("TD timeout\n");
break;
- } while (get_timer(ts) < CONFIG_SYS_HZ);
-#else
-#warning FIXME
-#endif
+ }
+ } while (token & 0x80);
+
/* Disable async schedule. */
- cmd = ehci_readl(&hcor->or_usbcmd);
+ cmd = ehci_readl(&ehci->hcor->or_usbcmd);
cmd &= ~CMD_ASE;
- ehci_writel(&hcor->or_usbcmd, cmd);
+ ehci_writel(&ehci->hcor->or_usbcmd, cmd);
- ret = handshake((uint32_t *)&hcor->or_usbsts, STD_ASS, 0,
+ ret = handshake(&ehci->hcor->or_usbsts, STD_ASS, 0,
100 * 1000);
if (ret < 0) {
printf("EHCI fail timeout STD_ASS reset\n");
goto fail;
}
- qh_list.qh_link = cpu_to_hc32((uint32_t)&qh_list | QH_LINK_TYPE_QH);
+ ehci->qh_list->qh_link = cpu_to_hc32((uint32_t)ehci->qh_list | QH_LINK_TYPE_QH);
token = hc32_to_cpu(qh->qh_overlay.qt_token);
if (!(token & 0x80)) {
@@ -498,14 +516,15 @@ ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
} else {
dev->act_len = 0;
debug("dev=%u, usbsts=%#x, p[1]=%#x, p[2]=%#x\n",
- dev->devnum, ehci_readl(&hcor->or_usbsts),
- ehci_readl(&hcor->or_portsc[0]),
- ehci_readl(&hcor->or_portsc[1]));
+ dev->devnum, ehci_readl(&ehci->hcor->or_usbsts),
+ ehci_readl(&ehci->hcor->or_portsc[0]),
+ ehci_readl(&ehci->hcor->or_portsc[1]));
}
return (dev->status != USB_ST_NOT_PROC) ? 0 : -1;
fail:
+ printf("fail1\n");
td = (void *)hc32_to_cpu(qh->qh_overlay.qt_next);
while (td != (void *)QT_NEXT_TERMINATE) {
qh->qh_overlay.qt_next = td->qt_next;
@@ -530,6 +549,8 @@ int
ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
int length, struct devrequest *req)
{
+ struct usb_host *host = dev->host;
+ struct ehci_priv *ehci = to_ehci(host);
uint8_t tmpbuf[4];
u16 typeReq;
void *srcptr = NULL;
@@ -542,8 +563,7 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
le16_to_cpu(req->index) - 1);
return -1;
}
- status_reg = (uint32_t *)&hcor->or_portsc[
- le16_to_cpu(req->index) - 1];
+ status_reg = (uint32_t *)&ehci->hcor->or_portsc[le16_to_cpu(req->index) - 1];
srclen = 0;
debug("req=%u (%#x), type=%u (%#x), value=%u, index=%u\n",
@@ -551,9 +571,9 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
req->requesttype, req->requesttype,
le16_to_cpu(req->value), le16_to_cpu(req->index));
- typeReq = req->request << 8 | req->requesttype;
+ typeReq = req->request | (req->requesttype << 8);
- switch (le16_to_cpu(typeReq)) {
+ switch (typeReq) {
case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
switch (le16_to_cpu(req->value) >> 8) {
case USB_DT_DEVICE:
@@ -594,7 +614,7 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
goto unknown;
}
break;
- case USB_REQ_GET_DESCRIPTOR | ((USB_DIR_IN | USB_RT_HUB) << 8):
+ case ((USB_DIR_IN | USB_RT_HUB) << 8) | USB_REQ_GET_DESCRIPTOR:
switch (le16_to_cpu(req->value) >> 8) {
case USB_DT_HUB:
debug("USB_DT_HUB config\n");
@@ -608,7 +628,7 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
break;
case USB_REQ_SET_ADDRESS | (USB_RECIP_DEVICE << 8):
debug("USB_REQ_SET_ADDRESS\n");
- rootdev = le16_to_cpu(req->value);
+ ehci->rootdev = le16_to_cpu(req->value);
break;
case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
debug("USB_REQ_SET_CONFIGURATION\n");
@@ -632,7 +652,7 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
if (reg & EHCI_PS_OCA)
tmpbuf[0] |= USB_PORT_STAT_OVERCURRENT;
if (reg & EHCI_PS_PR &&
- (portreset & (1 << le16_to_cpu(req->index)))) {
+ (ehci->portreset & (1 << le16_to_cpu(req->index)))) {
int ret;
/* force reset to complete */
reg = reg & ~(EHCI_PS_PR | EHCI_PS_CLEAR);
@@ -669,7 +689,7 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
tmpbuf[2] |= USB_PORT_STAT_C_ENABLE;
if (reg & EHCI_PS_OCC)
tmpbuf[2] |= USB_PORT_STAT_C_OVERCURRENT;
- if (portreset & (1 << le16_to_cpu(req->index)))
+ if (ehci->portreset & (1 << le16_to_cpu(req->index)))
tmpbuf[2] |= USB_PORT_STAT_C_RESET;
srcptr = tmpbuf;
@@ -684,7 +704,7 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
ehci_writel(status_reg, reg);
break;
case USB_PORT_FEAT_POWER:
- if (HCS_PPC(ehci_readl(&hccr->cr_hcsparams))) {
+ if (HCS_PPC(ehci_readl(&ehci->hccr->cr_hcsparams))) {
reg |= EHCI_PS_PP;
ehci_writel(status_reg, reg);
}
@@ -709,7 +729,7 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
* root
*/
wait_ms(50);
- portreset |= 1 << le16_to_cpu(req->index);
+ ehci->portreset |= 1 << le16_to_cpu(req->index);
}
break;
default:
@@ -717,7 +737,7 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
goto unknown;
}
/* unblock posted writes */
- ehci_readl(&hcor->or_usbcmd);
+ ehci_readl(&ehci->hcor->or_usbcmd);
break;
case USB_REQ_CLEAR_FEATURE | ((USB_DIR_OUT | USB_RT_PORT) << 8):
reg = ehci_readl(status_reg);
@@ -729,7 +749,7 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
reg = (reg & ~EHCI_PS_CLEAR) | EHCI_PS_PE;
break;
case USB_PORT_FEAT_POWER:
- if (HCS_PPC(ehci_readl(&hccr->cr_hcsparams)))
+ if (HCS_PPC(ehci_readl(&ehci->hccr->cr_hcsparams)))
reg = reg & ~(EHCI_PS_CLEAR | EHCI_PS_PP);
case USB_PORT_FEAT_C_CONNECTION:
reg = (reg & ~EHCI_PS_CLEAR) | EHCI_PS_CSC;
@@ -738,7 +758,7 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
reg = (reg & ~EHCI_PS_CLEAR) | EHCI_PS_OCC;
break;
case USB_PORT_FEAT_C_RESET:
- portreset &= ~(1 << le16_to_cpu(req->index));
+ ehci->portreset &= ~(1 << le16_to_cpu(req->index));
break;
default:
debug("unknown feature %x\n", le16_to_cpu(req->value));
@@ -746,7 +766,7 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
}
ehci_writel(status_reg, reg);
/* unblock posted write */
- ehci_readl(&hcor->or_usbcmd);
+ ehci_readl(&ehci->hcor->or_usbcmd);
break;
default:
debug("Unknown request\n");
@@ -774,21 +794,14 @@ unknown:
return -1;
}
-int usb_lowlevel_stop(void)
-{
- return ehci_hcd_stop();
-}
-
-int usb_lowlevel_init(void)
+static int ehci_init(struct usb_host *host)
{
+ struct ehci_priv *ehci = to_ehci(host);
uint32_t reg;
uint32_t cmd;
- if (ehci_hcd_init() != 0)
- return -1;
-
/* EHCI spec section 4.1 */
- if (ehci_reset() != 0)
+ if (ehci_reset(ehci) != 0)
return -1;
#if defined(CONFIG_EHCI_HCD_INIT_AFTER_RESET)
@@ -797,20 +810,22 @@ int usb_lowlevel_init(void)
#endif
/* Set head of reclaim list */
- memset(&qh_list, 0, sizeof(qh_list));
- qh_list.qh_link = cpu_to_hc32((uint32_t)&qh_list | QH_LINK_TYPE_QH);
- qh_list.qh_endpt1 = cpu_to_hc32((1 << 15) | (USB_SPEED_HIGH << 12));
- qh_list.qh_curtd = cpu_to_hc32(QT_NEXT_TERMINATE);
- qh_list.qh_overlay.qt_next = cpu_to_hc32(QT_NEXT_TERMINATE);
- qh_list.qh_overlay.qt_altnext = cpu_to_hc32(QT_NEXT_TERMINATE);
- qh_list.qh_overlay.qt_token = cpu_to_hc32(0x40);
+ ehci->qhp = xzalloc(sizeof(struct QH) + 32);
+ ehci->qh_list = (struct QH *)(((unsigned long)ehci->qhp + 32) & ~31);
+
+ ehci->qh_list->qh_link = cpu_to_hc32((uint32_t)ehci->qh_list | QH_LINK_TYPE_QH);
+ ehci->qh_list->qh_endpt1 = cpu_to_hc32((1 << 15) | (USB_SPEED_HIGH << 12));
+ ehci->qh_list->qh_curtd = cpu_to_hc32(QT_NEXT_TERMINATE);
+ ehci->qh_list->qh_overlay.qt_next = cpu_to_hc32(QT_NEXT_TERMINATE);
+ ehci->qh_list->qh_overlay.qt_altnext = cpu_to_hc32(QT_NEXT_TERMINATE);
+ ehci->qh_list->qh_overlay.qt_token = cpu_to_hc32(0x40);
/* Set async. queue head pointer. */
- ehci_writel(&hcor->or_asynclistaddr, (uint32_t)&qh_list);
+ ehci_writel(&ehci->hcor->or_asynclistaddr, (uint32_t)ehci->qh_list);
- reg = ehci_readl(&hccr->cr_hcsparams);
+ reg = ehci_readl(&ehci->hccr->cr_hcsparams);
descriptor.hub.bNbrPorts = HCS_N_PORTS(reg);
- printf("Register %x NbrPorts %d\n", reg, descriptor.hub.bNbrPorts);
+
/* Port Indicators */
if (HCS_INDICATOR(reg))
descriptor.hub.wHubCharacteristics |= 0x80;
@@ -819,31 +834,29 @@ int usb_lowlevel_init(void)
descriptor.hub.wHubCharacteristics |= 0x01;
/* Start the host controller. */
- cmd = ehci_readl(&hcor->or_usbcmd);
+ cmd = ehci_readl(&ehci->hcor->or_usbcmd);
/*
* Philips, Intel, and maybe others need CMD_RUN before the
* root hub will detect new devices (why?); NEC doesn't
*/
cmd &= ~(CMD_LRESET|CMD_IAAD|CMD_PSE|CMD_ASE|CMD_RESET);
cmd |= CMD_RUN;
- ehci_writel(&hcor->or_usbcmd, cmd);
+ ehci_writel(&ehci->hcor->or_usbcmd, cmd);
/* take control over the ports */
- cmd = ehci_readl(&hcor->or_configflag);
+ cmd = ehci_readl(&ehci->hcor->or_configflag);
cmd |= FLAG_CF;
- ehci_writel(&hcor->or_configflag, cmd);
+ ehci_writel(&ehci->hcor->or_configflag, cmd);
/* unblock posted write */
- cmd = ehci_readl(&hcor->or_usbcmd);
+ cmd = ehci_readl(&ehci->hcor->or_usbcmd);
wait_ms(5);
- reg = HC_VERSION(ehci_readl(&hccr->cr_capbase));
- printf("USB EHCI %x.%02x\n", reg >> 8, reg & 0xff);
- rootdev = 0;
+ ehci->rootdev = 0;
return 0;
}
-int
+static int
submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
int length)
{
@@ -855,30 +868,70 @@ submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
return ehci_submit_async(dev, pipe, buffer, length, NULL);
}
-int
+static int
submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
int length, struct devrequest *setup)
{
+ struct usb_host *host = dev->host;
+ struct ehci_priv *ehci = to_ehci(host);
if (usb_pipetype(pipe) != PIPE_CONTROL) {
debug("non-control pipe (type=%lu)", usb_pipetype(pipe));
return -1;
}
- if (usb_pipedevice(pipe) == rootdev) {
- if (rootdev == 0)
+ if (usb_pipedevice(pipe) == ehci->rootdev) {
+ if (ehci->rootdev == 0)
dev->speed = USB_SPEED_HIGH;
return ehci_submit_root(dev, pipe, buffer, length, setup);
}
return ehci_submit_async(dev, pipe, buffer, length, setup);
}
-int
+static int
submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
int length, int interval)
{
-
debug("dev=%p, pipe=%lu, buffer=%p, length=%d, interval=%d",
dev, pipe, buffer, length, interval);
return -1;
}
+
+static int ehci_probe(struct device_d *dev)
+{
+ struct usb_host *host;
+ struct ehci_priv *ehci;
+ uint32_t reg;
+
+ ehci = xmalloc(sizeof(struct ehci_priv));
+ host = &ehci->host;
+
+ host->init = ehci_init;
+ host->submit_int_msg = submit_int_msg;
+ host->submit_control_msg = submit_control_msg;
+ host->submit_bulk_msg = submit_bulk_msg;
+
+ ehci->hccr = (void *)(dev->map_base + 0x100);
+ ehci->hcor = (void *)(dev->map_base + 0x140);
+
+ usb_register_host(host);
+
+ reg = HC_VERSION(ehci_readl(&ehci->hccr->cr_capbase));
+ dev_info(dev, "USB EHCI %x.%02x\n", reg >> 8, reg & 0xff);
+
+ return 0;
+}
+
+static struct driver_d ehci_driver = {
+ .name = "ehci",
+ .probe = ehci_probe,
+};
+
+static int ehcil_init(void)
+{
+ register_driver(&ehci_driver);
+ return 0;
+}
+
+device_initcall(ehcil_init);
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-18 16:43:15 +0000