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path: root/drivers/usb/host/ehci-hcd.c
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Diffstat (limited to 'drivers/usb/host/ehci-hcd.c')
-rw-r--r--drivers/usb/host/ehci-hcd.c459
1 files changed, 328 insertions, 131 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index f1fb190..bd9861d 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -21,6 +21,7 @@
* MA 02111-1307 USA
*/
#include <common.h>
+#include <dm.h>
#include <errno.h>
#include <asm/byteorder.h>
#include <asm/unaligned.h>
@@ -42,10 +43,12 @@
*/
#define HCHALT_TIMEOUT (8 * 1000)
+#ifndef CONFIG_DM_USB
static struct ehci_ctrl ehcic[CONFIG_USB_MAX_CONTROLLER_COUNT];
+#endif
#define ALIGN_END_ADDR(type, ptr, size) \
- ((uint32_t)(ptr) + roundup((size) * sizeof(type), USB_DMA_MINALIGN))
+ ((unsigned long)(ptr) + roundup((size) * sizeof(type), USB_DMA_MINALIGN))
static struct descriptor {
struct usb_hub_descriptor hub;
@@ -119,17 +122,33 @@ static struct descriptor {
#define ehci_is_TDI() (0)
#endif
-__weak int ehci_get_port_speed(struct ehci_hcor *hcor, uint32_t reg)
+static struct ehci_ctrl *ehci_get_ctrl(struct usb_device *udev)
+{
+#ifdef CONFIG_DM_USB
+ struct udevice *dev;
+
+ /* Find the USB controller */
+ for (dev = udev->dev;
+ device_get_uclass_id(dev) != UCLASS_USB;
+ dev = dev->parent)
+ ;
+ return dev_get_priv(dev);
+#else
+ return udev->controller;
+#endif
+}
+
+static int ehci_get_port_speed(struct ehci_ctrl *ctrl, uint32_t reg)
{
return PORTSC_PSPD(reg);
}
-__weak void ehci_set_usbmode(int index)
+static void ehci_set_usbmode(struct ehci_ctrl *ctrl)
{
uint32_t tmp;
uint32_t *reg_ptr;
- reg_ptr = (uint32_t *)((u8 *)&ehcic[index].hcor->or_usbcmd + USBMODE);
+ reg_ptr = (uint32_t *)((u8 *)&ctrl->hcor->or_usbcmd + USBMODE);
tmp = ehci_readl(reg_ptr);
tmp |= USBMODE_CM_HC;
#if defined(CONFIG_EHCI_MMIO_BIG_ENDIAN)
@@ -138,11 +157,23 @@ __weak void ehci_set_usbmode(int index)
ehci_writel(reg_ptr, tmp);
}
-__weak void ehci_powerup_fixup(uint32_t *status_reg, uint32_t *reg)
+static void ehci_powerup_fixup(struct ehci_ctrl *ctrl, uint32_t *status_reg,
+ uint32_t *reg)
{
mdelay(50);
}
+static uint32_t *ehci_get_portsc_register(struct ehci_ctrl *ctrl, 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 *)&ctrl->hcor->or_portsc[port];
+}
+
static int handshake(uint32_t *ptr, uint32_t mask, uint32_t done, int usec)
{
uint32_t result;
@@ -159,15 +190,15 @@ static int handshake(uint32_t *ptr, uint32_t mask, uint32_t done, int usec)
return -1;
}
-static int ehci_reset(int index)
+static int ehci_reset(struct ehci_ctrl *ctrl)
{
uint32_t cmd;
int ret = 0;
- cmd = ehci_readl(&ehcic[index].hcor->or_usbcmd);
+ cmd = ehci_readl(&ctrl->hcor->or_usbcmd);
cmd = (cmd & ~CMD_RUN) | CMD_RESET;
- ehci_writel(&ehcic[index].hcor->or_usbcmd, cmd);
- ret = handshake((uint32_t *)&ehcic[index].hcor->or_usbcmd,
+ ehci_writel(&ctrl->hcor->or_usbcmd, cmd);
+ ret = handshake((uint32_t *)&ctrl->hcor->or_usbcmd,
CMD_RESET, 0, 250 * 1000);
if (ret < 0) {
printf("EHCI fail to reset\n");
@@ -175,13 +206,13 @@ static int ehci_reset(int index)
}
if (ehci_is_TDI())
- ehci_set_usbmode(index);
+ ctrl->ops.set_usb_mode(ctrl);
#ifdef CONFIG_USB_EHCI_TXFIFO_THRESH
- cmd = ehci_readl(&ehcic[index].hcor->or_txfilltuning);
+ cmd = ehci_readl(&ctrl->hcor->or_txfilltuning);
cmd &= ~TXFIFO_THRESH_MASK;
cmd |= TXFIFO_THRESH(CONFIG_USB_EHCI_TXFIFO_THRESH);
- ehci_writel(&ehcic[index].hcor->or_txfilltuning, cmd);
+ ehci_writel(&ctrl->hcor->or_txfilltuning, cmd);
#endif
out:
return ret;
@@ -223,7 +254,7 @@ static int ehci_shutdown(struct ehci_ctrl *ctrl)
static int ehci_td_buffer(struct qTD *td, void *buf, size_t sz)
{
uint32_t delta, next;
- uint32_t addr = (uint32_t)buf;
+ uint32_t addr = (unsigned long)buf;
int idx;
if (addr != ALIGN(addr, ARCH_DMA_MINALIGN))
@@ -245,7 +276,7 @@ static int ehci_td_buffer(struct qTD *td, void *buf, size_t sz)
}
if (idx == QT_BUFFER_CNT) {
- printf("out of buffer pointers (%u bytes left)\n", sz);
+ printf("out of buffer pointers (%zu bytes left)\n", sz);
return -1;
}
@@ -264,12 +295,13 @@ static inline u8 ehci_encode_speed(enum usb_device_speed speed)
return QH_FULL_SPEED;
}
-static void ehci_update_endpt2_dev_n_port(struct usb_device *dev,
+static void ehci_update_endpt2_dev_n_port(struct usb_device *udev,
struct QH *qh)
{
struct usb_device *ttdev;
+ int parent_devnum;
- if (dev->speed != USB_SPEED_LOW && dev->speed != USB_SPEED_FULL)
+ if (udev->speed != USB_SPEED_LOW && udev->speed != USB_SPEED_FULL)
return;
/*
@@ -277,14 +309,35 @@ static void ehci_update_endpt2_dev_n_port(struct usb_device *dev,
* the tt, so of the first upstream usb-2 hub, there may be usb-1 hubs
* in the tree before that one!
*/
- ttdev = dev;
+#ifdef CONFIG_DM_USB
+ struct udevice *parent;
+
+ for (ttdev = udev; ; ) {
+ struct udevice *dev = ttdev->dev;
+
+ if (dev->parent &&
+ device_get_uclass_id(dev->parent) == UCLASS_USB_HUB)
+ parent = dev->parent;
+ else
+ parent = NULL;
+ if (!parent)
+ return;
+ ttdev = dev_get_parentdata(parent);
+ if (!ttdev->speed != USB_SPEED_HIGH)
+ break;
+ }
+ parent_devnum = ttdev->devnum;
+#else
+ ttdev = udev;
while (ttdev->parent && ttdev->parent->speed != USB_SPEED_HIGH)
ttdev = ttdev->parent;
if (!ttdev->parent)
return;
+ parent_devnum = ttdev->parent->devnum;
+#endif
qh->qh_endpt2 |= cpu_to_hc32(QH_ENDPT2_PORTNUM(ttdev->portnr) |
- QH_ENDPT2_HUBADDR(ttdev->parent->devnum));
+ QH_ENDPT2_HUBADDR(parent_devnum));
}
static int
@@ -303,7 +356,7 @@ ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
uint32_t cmd;
int timeout;
int ret = 0;
- struct ehci_ctrl *ctrl = dev->controller;
+ struct ehci_ctrl *ctrl = ehci_get_ctrl(dev);
debug("dev=%p, pipe=%lx, buffer=%p, length=%d, req=%p\n", dev, pipe,
buffer, length, req);
@@ -354,7 +407,7 @@ ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
* qTD transfer size will be one page shorter, and the first qTD
* data buffer of each transfer will be page-unaligned.
*/
- if ((uint32_t)buffer & (PKT_ALIGN - 1))
+ if ((unsigned long)buffer & (PKT_ALIGN - 1))
xfr_sz--;
/* Convert the qTD transfer size to bytes. */
xfr_sz *= EHCI_PAGE_SIZE;
@@ -394,7 +447,7 @@ ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
* qh_overlay.qt_next ...... 13-10 H
* - qh_overlay.qt_altnext
*/
- qh->qh_link = cpu_to_hc32((uint32_t)&ctrl->qh_list | QH_LINK_TYPE_QH);
+ qh->qh_link = cpu_to_hc32((unsigned long)&ctrl->qh_list | QH_LINK_TYPE_QH);
c = (dev->speed != USB_SPEED_HIGH) && !usb_pipeendpoint(pipe);
maxpacket = usb_maxpacket(dev, pipe);
endpt = QH_ENDPT1_RL(8) | QH_ENDPT1_C(c) |
@@ -434,7 +487,7 @@ ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
goto fail;
}
/* Update previous qTD! */
- *tdp = cpu_to_hc32((uint32_t)&qtd[qtd_counter]);
+ *tdp = cpu_to_hc32((unsigned long)&qtd[qtd_counter]);
tdp = &qtd[qtd_counter++].qt_next;
toggle = 1;
}
@@ -454,7 +507,7 @@ ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
* portion of the first page before the buffer start
* offset within that page is unusable.
*/
- xfr_bytes -= (uint32_t)buf_ptr & (EHCI_PAGE_SIZE - 1);
+ xfr_bytes -= (unsigned long)buf_ptr & (EHCI_PAGE_SIZE - 1);
/*
* In order to keep each packet within a qTD transfer,
* align the qTD transfer size to PKT_ALIGN.
@@ -493,7 +546,7 @@ ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
goto fail;
}
/* Update previous qTD! */
- *tdp = cpu_to_hc32((uint32_t)&qtd[qtd_counter]);
+ *tdp = cpu_to_hc32((unsigned long)&qtd[qtd_counter]);
tdp = &qtd[qtd_counter++].qt_next;
/*
* Data toggle has to be adjusted since the qTD transfer
@@ -524,21 +577,21 @@ ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
QT_TOKEN_STATUS(QT_TOKEN_STATUS_ACTIVE);
qtd[qtd_counter].qt_token = cpu_to_hc32(token);
/* Update previous qTD! */
- *tdp = cpu_to_hc32((uint32_t)&qtd[qtd_counter]);
+ *tdp = cpu_to_hc32((unsigned long)&qtd[qtd_counter]);
tdp = &qtd[qtd_counter++].qt_next;
}
- ctrl->qh_list.qh_link = cpu_to_hc32((uint32_t)qh | QH_LINK_TYPE_QH);
+ ctrl->qh_list.qh_link = cpu_to_hc32((unsigned long)qh | QH_LINK_TYPE_QH);
/* Flush dcache */
- flush_dcache_range((uint32_t)&ctrl->qh_list,
+ flush_dcache_range((unsigned long)&ctrl->qh_list,
ALIGN_END_ADDR(struct QH, &ctrl->qh_list, 1));
- flush_dcache_range((uint32_t)qh, ALIGN_END_ADDR(struct QH, qh, 1));
- flush_dcache_range((uint32_t)qtd,
+ flush_dcache_range((unsigned long)qh, ALIGN_END_ADDR(struct QH, qh, 1));
+ flush_dcache_range((unsigned long)qtd,
ALIGN_END_ADDR(struct qTD, qtd, qtd_count));
/* Set async. queue head pointer. */
- ehci_writel(&ctrl->hcor->or_asynclistaddr, (uint32_t)&ctrl->qh_list);
+ ehci_writel(&ctrl->hcor->or_asynclistaddr, (unsigned long)&ctrl->qh_list);
usbsts = ehci_readl(&ctrl->hcor->or_usbsts);
ehci_writel(&ctrl->hcor->or_usbsts, (usbsts & 0x3f));
@@ -561,11 +614,11 @@ ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
timeout = USB_TIMEOUT_MS(pipe);
do {
/* Invalidate dcache */
- invalidate_dcache_range((uint32_t)&ctrl->qh_list,
+ invalidate_dcache_range((unsigned long)&ctrl->qh_list,
ALIGN_END_ADDR(struct QH, &ctrl->qh_list, 1));
- invalidate_dcache_range((uint32_t)qh,
+ invalidate_dcache_range((unsigned long)qh,
ALIGN_END_ADDR(struct QH, qh, 1));
- invalidate_dcache_range((uint32_t)qtd,
+ invalidate_dcache_range((unsigned long)qtd,
ALIGN_END_ADDR(struct qTD, qtd, qtd_count));
token = hc32_to_cpu(vtd->qt_token);
@@ -583,8 +636,8 @@ ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
* dangerous operation, it's responsibility of the calling
* code to make sure enough space is reserved.
*/
- invalidate_dcache_range((uint32_t)buffer,
- ALIGN((uint32_t)buffer + length, ARCH_DMA_MINALIGN));
+ invalidate_dcache_range((unsigned long)buffer,
+ ALIGN((unsigned long)buffer + length, ARCH_DMA_MINALIGN));
/* Check that the TD processing happened */
if (QT_TOKEN_GET_STATUS(token) & QT_TOKEN_STATUS_ACTIVE)
@@ -649,20 +702,8 @@ 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)
+static int ehci_submit_root(struct usb_device *dev, unsigned long pipe,
+ void *buffer, int length, struct devrequest *req)
{
uint8_t tmpbuf[4];
u16 typeReq;
@@ -671,7 +712,7 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
uint32_t reg;
uint32_t *status_reg;
int port = le16_to_cpu(req->index) & 0xff;
- struct ehci_ctrl *ctrl = dev->controller;
+ struct ehci_ctrl *ctrl = ehci_get_ctrl(dev);
srclen = 0;
@@ -686,7 +727,7 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
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);
+ status_reg = ctrl->ops.get_portsc_register(ctrl, port - 1);
if (!status_reg)
return -1;
break;
@@ -781,7 +822,7 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
tmpbuf[1] |= USB_PORT_STAT_POWER >> 8;
if (ehci_is_TDI()) {
- switch (ehci_get_port_speed(ctrl->hcor, reg)) {
+ switch (ctrl->ops.get_port_speed(ctrl, reg)) {
case PORTSC_PSPD_FS:
break;
case PORTSC_PSPD_LS:
@@ -843,7 +884,7 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
* usb 2.0 specification say 50 ms resets on
* root
*/
- ehci_powerup_fixup(status_reg, &reg);
+ ctrl->ops.powerup_fixup(ctrl, status_reg, &reg);
ehci_writel(status_reg, reg & ~EHCI_PS_PR);
/*
@@ -930,45 +971,63 @@ unknown:
return -1;
}
-int usb_lowlevel_stop(int index)
+const struct ehci_ops default_ehci_ops = {
+ .set_usb_mode = ehci_set_usbmode,
+ .get_port_speed = ehci_get_port_speed,
+ .powerup_fixup = ehci_powerup_fixup,
+ .get_portsc_register = ehci_get_portsc_register,
+};
+
+static void ehci_setup_ops(struct ehci_ctrl *ctrl, const struct ehci_ops *ops)
{
- ehci_shutdown(&ehcic[index]);
- return ehci_hcd_stop(index);
+ if (!ops) {
+ ctrl->ops = default_ehci_ops;
+ } else {
+ ctrl->ops = *ops;
+ if (!ctrl->ops.set_usb_mode)
+ ctrl->ops.set_usb_mode = ehci_set_usbmode;
+ if (!ctrl->ops.get_port_speed)
+ ctrl->ops.get_port_speed = ehci_get_port_speed;
+ if (!ctrl->ops.powerup_fixup)
+ ctrl->ops.powerup_fixup = ehci_powerup_fixup;
+ if (!ctrl->ops.get_portsc_register)
+ ctrl->ops.get_portsc_register =
+ ehci_get_portsc_register;
+ }
}
-int usb_lowlevel_init(int index, enum usb_init_type init, void **controller)
+#ifndef CONFIG_DM_USB
+void ehci_set_controller_priv(int index, void *priv, const struct ehci_ops *ops)
+{
+ struct ehci_ctrl *ctrl = &ehcic[index];
+
+ ctrl->priv = priv;
+ ehci_setup_ops(ctrl, ops);
+}
+
+void *ehci_get_controller_priv(int index)
+{
+ return ehcic[index].priv;
+}
+#endif
+
+static int ehci_common_init(struct ehci_ctrl *ctrl, uint tweaks)
{
- uint32_t reg;
- uint32_t cmd;
struct QH *qh_list;
struct QH *periodic;
+ uint32_t reg;
+ uint32_t cmd;
int i;
- int rc;
-
- rc = ehci_hcd_init(index, init, &ehcic[index].hccr, &ehcic[index].hcor);
- if (rc)
- return rc;
- if (init == USB_INIT_DEVICE)
- goto done;
- /* EHCI spec section 4.1 */
- if (ehci_reset(index))
- return -1;
-
-#if defined(CONFIG_EHCI_HCD_INIT_AFTER_RESET)
- rc = ehci_hcd_init(index, init, &ehcic[index].hccr, &ehcic[index].hcor);
- if (rc)
- return rc;
-#endif
/* Set the high address word (aka segment) for 64-bit controller */
- if (ehci_readl(&ehcic[index].hccr->cr_hccparams) & 1)
- ehci_writel(&ehcic[index].hcor->or_ctrldssegment, 0);
+ if (ehci_readl(&ctrl->hccr->cr_hccparams) & 1)
+ ehci_writel(&ctrl->hcor->or_ctrldssegment, 0);
- qh_list = &ehcic[index].qh_list;
+ qh_list = &ctrl->qh_list;
/* 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_link = cpu_to_hc32((unsigned long)qh_list | QH_LINK_TYPE_QH);
qh_list->qh_endpt1 = cpu_to_hc32(QH_ENDPT1_H(1) |
QH_ENDPT1_EPS(USB_SPEED_HIGH));
qh_list->qh_overlay.qt_next = cpu_to_hc32(QT_NEXT_TERMINATE);
@@ -976,24 +1035,24 @@ int usb_lowlevel_init(int index, enum usb_init_type init, 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,
+ flush_dcache_range((unsigned long)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);
+ ehci_writel(&ctrl->hcor->or_asynclistaddr, (unsigned long)qh_list);
/*
* Set up periodic list
* Step 1: Parent QH for all periodic transfers.
*/
- ehcic[index].periodic_schedules = 0;
- periodic = &ehcic[index].periodic_queue;
+ ctrl->periodic_schedules = 0;
+ periodic = &ctrl->periodic_queue;
memset(periodic, 0, sizeof(*periodic));
periodic->qh_link = cpu_to_hc32(QH_LINK_TERMINATE);
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,
+ flush_dcache_range((unsigned long)periodic,
ALIGN_END_ADDR(struct QH, periodic, 1));
/*
@@ -1005,25 +1064,25 @@ int usb_lowlevel_init(int index, enum usb_init_type init, void **controller)
* Split Transactions will be spread across microframes using
* S-mask and C-mask.
*/
- if (ehcic[index].periodic_list == NULL)
- ehcic[index].periodic_list = memalign(4096, 1024 * 4);
+ if (ctrl->periodic_list == NULL)
+ ctrl->periodic_list = memalign(4096, 1024 * 4);
- if (!ehcic[index].periodic_list)
+ if (!ctrl->periodic_list)
return -ENOMEM;
for (i = 0; i < 1024; i++) {
- ehcic[index].periodic_list[i] = cpu_to_hc32((uint32_t)periodic
+ ctrl->periodic_list[i] = cpu_to_hc32((unsigned long)periodic
| QH_LINK_TYPE_QH);
}
- flush_dcache_range((uint32_t)ehcic[index].periodic_list,
- ALIGN_END_ADDR(uint32_t, ehcic[index].periodic_list,
+ flush_dcache_range((unsigned long)ctrl->periodic_list,
+ ALIGN_END_ADDR(uint32_t, ctrl->periodic_list,
1024));
/* Set periodic list base address */
- ehci_writel(&ehcic[index].hcor->or_periodiclistbase,
- (uint32_t)ehcic[index].periodic_list);
+ ehci_writel(&ctrl->hcor->or_periodiclistbase,
+ (unsigned long)ctrl->periodic_list);
- reg = ehci_readl(&ehcic[index].hccr->cr_hcsparams);
+ reg = ehci_readl(&ctrl->hccr->cr_hcsparams);
descriptor.hub.bNbrPorts = HCS_N_PORTS(reg);
debug("Register %x NbrPorts %d\n", reg, descriptor.hub.bNbrPorts);
/* Port Indicators */
@@ -1036,37 +1095,81 @@ int usb_lowlevel_init(int index, enum usb_init_type init, void **controller)
| 0x01, &descriptor.hub.wHubCharacteristics);
/* Start the host controller. */
- cmd = ehci_readl(&ehcic[index].hcor->or_usbcmd);
+ cmd = ehci_readl(&ctrl->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(&ehcic[index].hcor->or_usbcmd, cmd);
+ ehci_writel(&ctrl->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
+ if (!(tweaks & EHCI_TWEAK_NO_INIT_CF)) {
+ /* take control over the ports */
+ cmd = ehci_readl(&ctrl->hcor->or_configflag);
+ cmd |= FLAG_CF;
+ ehci_writel(&ctrl->hcor->or_configflag, cmd);
+ }
/* unblock posted write */
- cmd = ehci_readl(&ehcic[index].hcor->or_usbcmd);
+ cmd = ehci_readl(&ctrl->hcor->or_usbcmd);
mdelay(5);
- reg = HC_VERSION(ehci_readl(&ehcic[index].hccr->cr_capbase));
+ reg = HC_VERSION(ehci_readl(&ctrl->hccr->cr_capbase));
printf("USB EHCI %x.%02x\n", reg >> 8, reg & 0xff);
- ehcic[index].rootdev = 0;
+ return 0;
+}
+
+#ifndef CONFIG_DM_USB
+int usb_lowlevel_stop(int index)
+{
+ ehci_shutdown(&ehcic[index]);
+ return ehci_hcd_stop(index);
+}
+
+int usb_lowlevel_init(int index, enum usb_init_type init, void **controller)
+{
+ struct ehci_ctrl *ctrl = &ehcic[index];
+ uint tweaks = 0;
+ int rc;
+
+ /**
+ * Set ops to default_ehci_ops, ehci_hcd_init should call
+ * ehci_set_controller_priv to change any of these function pointers.
+ */
+ ctrl->ops = default_ehci_ops;
+
+ rc = ehci_hcd_init(index, init, &ctrl->hccr, &ctrl->hcor);
+ if (rc)
+ return rc;
+ if (init == USB_INIT_DEVICE)
+ goto done;
+
+ /* EHCI spec section 4.1 */
+ if (ehci_reset(ctrl))
+ return -1;
+
+#if defined(CONFIG_EHCI_HCD_INIT_AFTER_RESET)
+ 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)
+ return rc;
+
+ ctrl->rootdev = 0;
done:
*controller = &ehcic[index];
return 0;
}
+#endif
-int
-submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
- int length)
+static int _ehci_submit_bulk_msg(struct usb_device *dev, unsigned long pipe,
+ void *buffer, int length)
{
if (usb_pipetype(pipe) != PIPE_BULK) {
@@ -1076,11 +1179,11 @@ submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
return ehci_submit_async(dev, pipe, buffer, length, NULL);
}
-int
-submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
- int length, struct devrequest *setup)
+static int _ehci_submit_control_msg(struct usb_device *dev, unsigned long pipe,
+ void *buffer, int length,
+ struct devrequest *setup)
{
- struct ehci_ctrl *ctrl = dev->controller;
+ struct ehci_ctrl *ctrl = ehci_get_ctrl(dev);
if (usb_pipetype(pipe) != PIPE_CONTROL) {
debug("non-control pipe (type=%lu)", usb_pipetype(pipe));
@@ -1103,7 +1206,7 @@ struct int_queue {
struct qTD *tds;
};
-#define NEXT_QH(qh) (struct QH *)(hc32_to_cpu((qh)->qh_link) & ~0x1f)
+#define NEXT_QH(qh) (struct QH *)((unsigned long)hc32_to_cpu((qh)->qh_link) & ~0x1f)
static int
enable_periodic(struct ehci_ctrl *ctrl)
@@ -1150,7 +1253,7 @@ struct int_queue *
create_int_queue(struct usb_device *dev, unsigned long pipe, int queuesize,
int elementsize, void *buffer, int interval)
{
- struct ehci_ctrl *ctrl = dev->controller;
+ struct ehci_ctrl *ctrl = ehci_get_ctrl(dev);
struct int_queue *result = NULL;
int i;
@@ -1214,11 +1317,11 @@ create_int_queue(struct usb_device *dev, unsigned long pipe, int queuesize,
struct qTD *td = result->tds + i;
void **buf = &qh->buffer;
- qh->qh_link = cpu_to_hc32((uint32_t)(qh+1) | QH_LINK_TYPE_QH);
+ qh->qh_link = cpu_to_hc32((unsigned long)(qh+1) | QH_LINK_TYPE_QH);
if (i == queuesize - 1)
qh->qh_link = cpu_to_hc32(QH_LINK_TERMINATE);
- qh->qh_overlay.qt_next = cpu_to_hc32((uint32_t)td);
+ qh->qh_overlay.qt_next = cpu_to_hc32((unsigned long)td);
qh->qh_overlay.qt_altnext = cpu_to_hc32(QT_NEXT_TERMINATE);
qh->qh_endpt1 =
cpu_to_hc32((0 << 28) | /* No NAK reload (ehci 4.9) */
@@ -1244,7 +1347,7 @@ create_int_queue(struct usb_device *dev, unsigned long pipe, int queuesize,
((usb_pipein(pipe) ? 1 : 0) << 8) | /* IN/OUT token */
0x80); /* active */
td->qt_buffer[0] =
- cpu_to_hc32((uint32_t)buffer + i * elementsize);
+ cpu_to_hc32((unsigned long)buffer + i * elementsize);
td->qt_buffer[1] =
cpu_to_hc32((td->qt_buffer[0] + 0x1000) & ~0xfff);
td->qt_buffer[2] =
@@ -1257,13 +1360,13 @@ create_int_queue(struct usb_device *dev, unsigned long pipe, int queuesize,
*buf = buffer + i * elementsize;
}
- flush_dcache_range((uint32_t)buffer,
+ flush_dcache_range((unsigned long)buffer,
ALIGN_END_ADDR(char, buffer,
queuesize * elementsize));
- flush_dcache_range((uint32_t)result->first,
+ flush_dcache_range((unsigned long)result->first,
ALIGN_END_ADDR(struct QH, result->first,
queuesize));
- flush_dcache_range((uint32_t)result->tds,
+ flush_dcache_range((unsigned long)result->tds,
ALIGN_END_ADDR(struct qTD, result->tds,
queuesize));
@@ -1277,11 +1380,11 @@ create_int_queue(struct usb_device *dev, unsigned long pipe, int queuesize,
/* hook up to periodic list */
struct QH *list = &ctrl->periodic_queue;
result->last->qh_link = list->qh_link;
- list->qh_link = cpu_to_hc32((uint32_t)result->first | QH_LINK_TYPE_QH);
+ list->qh_link = cpu_to_hc32((unsigned long)result->first | QH_LINK_TYPE_QH);
- flush_dcache_range((uint32_t)result->last,
+ flush_dcache_range((unsigned long)result->last,
ALIGN_END_ADDR(struct QH, result->last, 1));
- flush_dcache_range((uint32_t)list,
+ flush_dcache_range((unsigned long)list,
ALIGN_END_ADDR(struct QH, list, 1));
if (enable_periodic(ctrl) < 0) {
@@ -1316,7 +1419,7 @@ void *poll_int_queue(struct usb_device *dev, struct int_queue *queue)
}
/* still active */
cur_td = &queue->tds[queue->current - queue->first];
- invalidate_dcache_range((uint32_t)cur_td,
+ invalidate_dcache_range((unsigned long)cur_td,
ALIGN_END_ADDR(struct qTD, cur_td, 1));
if (QT_TOKEN_GET_STATUS(hc32_to_cpu(cur_td->qt_token)) &
QT_TOKEN_STATUS_ACTIVE) {
@@ -1329,7 +1432,7 @@ void *poll_int_queue(struct usb_device *dev, struct int_queue *queue)
else
queue->current = NULL;
- invalidate_dcache_range((uint32_t)cur->buffer,
+ invalidate_dcache_range((unsigned long)cur->buffer,
ALIGN_END_ADDR(char, cur->buffer,
queue->elementsize));
@@ -1342,7 +1445,7 @@ void *poll_int_queue(struct usb_device *dev, struct int_queue *queue)
int
destroy_int_queue(struct usb_device *dev, struct int_queue *queue)
{
- struct ehci_ctrl *ctrl = dev->controller;
+ struct ehci_ctrl *ctrl = ehci_get_ctrl(dev);
int result = -1;
unsigned long timeout;
@@ -1359,7 +1462,7 @@ destroy_int_queue(struct usb_device *dev, struct int_queue *queue)
if (NEXT_QH(cur) == queue->first) {
debug("found candidate. removing from chain\n");
cur->qh_link = queue->last->qh_link;
- flush_dcache_range((uint32_t)cur,
+ flush_dcache_range((unsigned long)cur,
ALIGN_END_ADDR(struct QH, cur, 1));
result = 0;
break;
@@ -1386,9 +1489,8 @@ out:
return result;
}
-int
-submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
- int length, int interval)
+static int _ehci_submit_int_msg(struct usb_device *dev, unsigned long pipe,
+ void *buffer, int length, int interval)
{
void *backbuffer;
struct int_queue *queue;
@@ -1411,8 +1513,8 @@ submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
}
if (backbuffer != buffer) {
- debug("got wrong buffer back (%x instead of %x)\n",
- (uint32_t)backbuffer, (uint32_t)buffer);
+ debug("got wrong buffer back (%p instead of %p)\n",
+ backbuffer, buffer);
return -EINVAL;
}
@@ -1423,3 +1525,98 @@ submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
/* everything worked out fine */
return result;
}
+
+#ifndef CONFIG_DM_USB
+int submit_bulk_msg(struct usb_device *dev, unsigned long pipe,
+ void *buffer, int length)
+{
+ return _ehci_submit_bulk_msg(dev, pipe, buffer, length);
+}
+
+int submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
+ int length, struct devrequest *setup)
+{
+ return _ehci_submit_control_msg(dev, pipe, buffer, length, setup);
+}
+
+int submit_int_msg(struct usb_device *dev, unsigned long pipe,
+ void *buffer, int length, int interval)
+{
+ return _ehci_submit_int_msg(dev, pipe, buffer, length, interval);
+}
+#endif
+
+#ifdef CONFIG_DM_USB
+static int ehci_submit_control_msg(struct udevice *dev, struct usb_device *udev,
+ unsigned long pipe, void *buffer, int length,
+ struct devrequest *setup)
+{
+ debug("%s: dev='%s', udev=%p, udev->dev='%s', portnr=%d\n", __func__,
+ dev->name, udev, udev->dev->name, udev->portnr);
+
+ return _ehci_submit_control_msg(udev, pipe, buffer, length, setup);
+}
+
+static int ehci_submit_bulk_msg(struct udevice *dev, struct usb_device *udev,
+ unsigned long pipe, void *buffer, int length)
+{
+ debug("%s: dev='%s', udev=%p\n", __func__, dev->name, udev);
+ return _ehci_submit_bulk_msg(udev, pipe, buffer, length);
+}
+
+static int ehci_submit_int_msg(struct udevice *dev, struct usb_device *udev,
+ unsigned long pipe, void *buffer, int length,
+ int interval)
+{
+ debug("%s: dev='%s', udev=%p\n", __func__, dev->name, udev);
+ return _ehci_submit_int_msg(udev, pipe, buffer, length, interval);
+}
+
+int ehci_register(struct udevice *dev, struct ehci_hccr *hccr,
+ struct ehci_hcor *hcor, const struct ehci_ops *ops,
+ uint tweaks, enum usb_init_type init)
+{
+ struct ehci_ctrl *ctrl = dev_get_priv(dev);
+ int ret;
+
+ debug("%s: dev='%s', ctrl=%p, hccr=%p, hcor=%p, init=%d\n", __func__,
+ dev->name, ctrl, hccr, hcor, init);
+
+ ehci_setup_ops(ctrl, ops);
+ ctrl->hccr = hccr;
+ ctrl->hcor = hcor;
+ ctrl->priv = ctrl;
+
+ if (init == USB_INIT_DEVICE)
+ goto done;
+ ret = ehci_reset(ctrl);
+ if (ret)
+ goto err;
+
+ ret = ehci_common_init(ctrl, tweaks);
+ if (ret)
+ goto err;
+done:
+ return 0;
+err:
+ free(ctrl);
+ debug("%s: failed, ret=%d\n", __func__, ret);
+ return ret;
+}
+
+int ehci_deregister(struct udevice *dev)
+{
+ struct ehci_ctrl *ctrl = dev_get_priv(dev);
+
+ ehci_shutdown(ctrl);
+
+ return 0;
+}
+
+struct dm_usb_ops ehci_usb_ops = {
+ .control = ehci_submit_control_msg,
+ .bulk = ehci_submit_bulk_msg,
+ .interrupt = ehci_submit_int_msg,
+};
+
+#endif