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path: root/drivers/usb/host/fhci-hcd.c
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Diffstat (limited to 'drivers/usb/host/fhci-hcd.c')
-rw-r--r--drivers/usb/host/fhci-hcd.c97
1 files changed, 49 insertions, 48 deletions
diff --git a/drivers/usb/host/fhci-hcd.c b/drivers/usb/host/fhci-hcd.c
index 0951818ef93..1cf68eaf2ed 100644
--- a/drivers/usb/host/fhci-hcd.c
+++ b/drivers/usb/host/fhci-hcd.c
@@ -25,11 +25,14 @@
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/usb.h>
+#include <linux/usb/hcd.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <linux/of_gpio.h>
+#include <linux/slab.h>
#include <asm/qe.h>
#include <asm/fsl_gtm.h>
-#include "../core/hcd.h"
#include "fhci.h"
void fhci_start_sof_timer(struct fhci_hcd *fhci)
@@ -39,8 +42,8 @@ void fhci_start_sof_timer(struct fhci_hcd *fhci)
/* clear frame_n */
out_be16(&fhci->pram->frame_num, 0);
- out_be16(&fhci->regs->usb_sof_tmr, 0);
- setbits8(&fhci->regs->usb_mod, USB_MODE_SFTE);
+ out_be16(&fhci->regs->usb_ussft, 0);
+ setbits8(&fhci->regs->usb_usmod, USB_MODE_SFTE);
fhci_dbg(fhci, "<- %s\n", __func__);
}
@@ -49,7 +52,7 @@ void fhci_stop_sof_timer(struct fhci_hcd *fhci)
{
fhci_dbg(fhci, "-> %s\n", __func__);
- clrbits8(&fhci->regs->usb_mod, USB_MODE_SFTE);
+ clrbits8(&fhci->regs->usb_usmod, USB_MODE_SFTE);
gtm_stop_timer16(fhci->timer);
fhci_dbg(fhci, "<- %s\n", __func__);
@@ -57,7 +60,7 @@ void fhci_stop_sof_timer(struct fhci_hcd *fhci)
u16 fhci_get_sof_timer_count(struct fhci_usb *usb)
{
- return be16_to_cpu(in_be16(&usb->fhci->regs->usb_sof_tmr) / 12);
+ return be16_to_cpu(in_be16(&usb->fhci->regs->usb_ussft) / 12);
}
/* initialize the endpoint zero */
@@ -87,8 +90,8 @@ void fhci_usb_enable_interrupt(struct fhci_usb *usb)
enable_irq(fhci_to_hcd(fhci)->irq);
/* initialize the event register and mask register */
- out_be16(&usb->fhci->regs->usb_event, 0xffff);
- out_be16(&usb->fhci->regs->usb_mask, usb->saved_msk);
+ out_be16(&usb->fhci->regs->usb_usber, 0xffff);
+ out_be16(&usb->fhci->regs->usb_usbmr, usb->saved_msk);
/* enable the timer interrupts */
enable_irq(fhci->timer->irq);
@@ -97,18 +100,18 @@ void fhci_usb_enable_interrupt(struct fhci_usb *usb)
usb->intr_nesting_cnt--;
}
-/* diable the usb interrupt */
+/* disable the usb interrupt */
void fhci_usb_disable_interrupt(struct fhci_usb *usb)
{
struct fhci_hcd *fhci = usb->fhci;
if (usb->intr_nesting_cnt == 0) {
- /* diable the timer interrupt */
+ /* disable the timer interrupt */
disable_irq_nosync(fhci->timer->irq);
/* disable the usb interrupt */
disable_irq_nosync(fhci_to_hcd(fhci)->irq);
- out_be16(&usb->fhci->regs->usb_mask, 0);
+ out_be16(&usb->fhci->regs->usb_usbmr, 0);
}
usb->intr_nesting_cnt++;
}
@@ -118,9 +121,9 @@ static u32 fhci_usb_enable(struct fhci_hcd *fhci)
{
struct fhci_usb *usb = fhci->usb_lld;
- out_be16(&usb->fhci->regs->usb_event, 0xffff);
- out_be16(&usb->fhci->regs->usb_mask, usb->saved_msk);
- setbits8(&usb->fhci->regs->usb_mod, USB_MODE_EN);
+ out_be16(&usb->fhci->regs->usb_usber, 0xffff);
+ out_be16(&usb->fhci->regs->usb_usbmr, usb->saved_msk);
+ setbits8(&usb->fhci->regs->usb_usmod, USB_MODE_EN);
mdelay(100);
@@ -140,7 +143,7 @@ static u32 fhci_usb_disable(struct fhci_hcd *fhci)
usb->port_status == FHCI_PORT_LOW)
fhci_device_disconnected_interrupt(fhci);
- clrbits8(&usb->fhci->regs->usb_mod, USB_MODE_EN);
+ clrbits8(&usb->fhci->regs->usb_usmod, USB_MODE_EN);
return 0;
}
@@ -242,9 +245,10 @@ err:
static void fhci_usb_free(void *lld)
{
struct fhci_usb *usb = lld;
- struct fhci_hcd *fhci = usb->fhci;
+ struct fhci_hcd *fhci;
if (usb) {
+ fhci = usb->fhci;
fhci_config_transceiver(fhci, FHCI_PORT_POWER_OFF);
fhci_ep0_free(usb);
kfree(usb->actual_frame);
@@ -283,13 +287,13 @@ static int fhci_usb_init(struct fhci_hcd *fhci)
USB_E_IDLE_MASK |
USB_E_RESET_MASK | USB_E_SFT_MASK | USB_E_MSF_MASK);
- out_8(&usb->fhci->regs->usb_mod, USB_MODE_HOST | USB_MODE_EN);
+ out_8(&usb->fhci->regs->usb_usmod, USB_MODE_HOST | USB_MODE_EN);
/* clearing the mask register */
- out_be16(&usb->fhci->regs->usb_mask, 0);
+ out_be16(&usb->fhci->regs->usb_usbmr, 0);
/* initialing the event register */
- out_be16(&usb->fhci->regs->usb_event, 0xffff);
+ out_be16(&usb->fhci->regs->usb_usber, 0xffff);
if (endpoint_zero_init(usb, DEFAULT_DATA_MEM, DEFAULT_RING_LEN) != 0) {
fhci_usb_free(usb);
@@ -399,7 +403,7 @@ static int fhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
/* 1 td fro setup,1 for ack */
size = 2;
case PIPE_BULK:
- /* one td for every 4096 bytes(can be upto 8k) */
+ /* one td for every 4096 bytes(can be up to 8k) */
size += urb->transfer_buffer_length / 4096;
/* ...add for any remaining bytes... */
if ((urb->transfer_buffer_length % 4096) != 0)
@@ -432,7 +436,7 @@ static int fhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
return -ENOMEM;
/* allocate the private part of the URB */
- urb_priv->tds = kzalloc(size * sizeof(struct td), mem_flags);
+ urb_priv->tds = kcalloc(size, sizeof(*urb_priv->tds), mem_flags);
if (!urb_priv->tds) {
kfree(urb_priv);
return -ENOMEM;
@@ -559,11 +563,10 @@ static const struct hc_driver fhci_driver = {
.hub_control = fhci_hub_control,
};
-static int __devinit of_fhci_probe(struct of_device *ofdev,
- const struct of_device_id *ofid)
+static int of_fhci_probe(struct platform_device *ofdev)
{
struct device *dev = &ofdev->dev;
- struct device_node *node = ofdev->node;
+ struct device_node *node = dev->of_node;
struct usb_hcd *hcd;
struct fhci_hcd *fhci;
struct resource usb_regs;
@@ -604,7 +607,7 @@ static int __devinit of_fhci_probe(struct of_device *ofdev,
goto err_regs;
}
- hcd->regs = ioremap(usb_regs.start, usb_regs.end - usb_regs.start + 1);
+ hcd->regs = ioremap(usb_regs.start, resource_size(&usb_regs));
if (!hcd->regs) {
dev_err(dev, "could not ioremap regs\n");
ret = -ENOMEM;
@@ -620,12 +623,15 @@ static int __devinit of_fhci_probe(struct of_device *ofdev,
goto err_pram;
}
- pram_addr = cpm_muram_alloc_fixed(iprop[2], FHCI_PRAM_SIZE);
+ pram_addr = cpm_muram_alloc(FHCI_PRAM_SIZE, 64);
if (IS_ERR_VALUE(pram_addr)) {
dev_err(dev, "failed to allocate usb pram\n");
ret = -ENOMEM;
goto err_pram;
}
+
+ qe_issue_cmd(QE_ASSIGN_PAGE_TO_DEVICE, QE_CR_SUBBLOCK_USB,
+ QE_CR_PROTOCOL_UNSPECIFIED, pram_addr);
fhci->pram = cpm_muram_addr(pram_addr);
/* GPIOs and pins */
@@ -668,7 +674,7 @@ static int __devinit of_fhci_probe(struct of_device *ofdev,
}
for (j = 0; j < NUM_PINS; j++) {
- fhci->pins[j] = qe_pin_request(ofdev->node, j);
+ fhci->pins[j] = qe_pin_request(node, j);
if (IS_ERR(fhci->pins[j])) {
ret = PTR_ERR(fhci->pins[j]);
dev_err(dev, "can't get pin %d: %d\n", j, ret);
@@ -685,7 +691,7 @@ static int __devinit of_fhci_probe(struct of_device *ofdev,
}
ret = request_irq(fhci->timer->irq, fhci_frame_limit_timer_irq,
- IRQF_DISABLED, "qe timer (usb)", hcd);
+ 0, "qe timer (usb)", hcd);
if (ret) {
dev_err(dev, "failed to request timer irq");
goto err_timer_irq;
@@ -741,13 +747,15 @@ static int __devinit of_fhci_probe(struct of_device *ofdev,
}
/* Clear and disable any pending interrupts. */
- out_be16(&fhci->regs->usb_event, 0xffff);
- out_be16(&fhci->regs->usb_mask, 0);
+ out_be16(&fhci->regs->usb_usber, 0xffff);
+ out_be16(&fhci->regs->usb_usbmr, 0);
- ret = usb_add_hcd(hcd, usb_irq, IRQF_DISABLED);
+ ret = usb_add_hcd(hcd, usb_irq, 0);
if (ret < 0)
goto err_add_hcd;
+ device_wakeup_enable(hcd->self.controller);
+
fhci_dfs_create(fhci);
return 0;
@@ -776,7 +784,7 @@ err_regs:
return ret;
}
-static int __devexit fhci_remove(struct device *dev)
+static int fhci_remove(struct device *dev)
{
struct usb_hcd *hcd = dev_get_drvdata(dev);
struct fhci_hcd *fhci = hcd_to_fhci(hcd);
@@ -799,35 +807,28 @@ static int __devexit fhci_remove(struct device *dev)
return 0;
}
-static int __devexit of_fhci_remove(struct of_device *ofdev)
+static int of_fhci_remove(struct platform_device *ofdev)
{
return fhci_remove(&ofdev->dev);
}
-static struct of_device_id of_fhci_match[] = {
+static const struct of_device_id of_fhci_match[] = {
{ .compatible = "fsl,mpc8323-qe-usb", },
{},
};
MODULE_DEVICE_TABLE(of, of_fhci_match);
-static struct of_platform_driver of_fhci_driver = {
- .name = "fsl,usb-fhci",
- .match_table = of_fhci_match,
+static struct platform_driver of_fhci_driver = {
+ .driver = {
+ .name = "fsl,usb-fhci",
+ .owner = THIS_MODULE,
+ .of_match_table = of_fhci_match,
+ },
.probe = of_fhci_probe,
- .remove = __devexit_p(of_fhci_remove),
+ .remove = of_fhci_remove,
};
-static int __init fhci_module_init(void)
-{
- return of_register_platform_driver(&of_fhci_driver);
-}
-module_init(fhci_module_init);
-
-static void __exit fhci_module_exit(void)
-{
- of_unregister_platform_driver(&of_fhci_driver);
-}
-module_exit(fhci_module_exit);
+module_platform_driver(of_fhci_driver);
MODULE_DESCRIPTION("USB Freescale Host Controller Interface Driver");
MODULE_AUTHOR("Shlomi Gridish <gridish@freescale.com>, "
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 07:02:01 +0000