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USB: EHCI: Add weak functions to support new chip

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Add ehci_get_port_speed() and ehci_set_usbmode() weak functions
for platform driver to support new chip.

Signed-off-by: Jim Lin <jilin@nvidia.com>
This commit is contained in:
Jim Lin 2013-03-27 00:52:32 +00:00 committed by Marek Vasut
parent 5ed6f447af
commit b068deb363
1 changed files with 28 additions and 12 deletions
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40
drivers/usb/host/ehci-hcd.c
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@ -122,6 +122,31 @@ static struct descriptor {
#define ehci_is_TDI() (0)
#endif
int __ehci_get_port_speed(struct ehci_hcor *hcor, uint32_t reg)
{
return PORTSC_PSPD(reg);
}
int ehci_get_port_speed(struct ehci_hcor *hcor, uint32_t reg)
__attribute__((weak, alias("__ehci_get_port_speed")));
void __ehci_set_usbmode(int index)
{
uint32_t tmp;
uint32_t *reg_ptr;
reg_ptr = (uint32_t *)((u8 *)&ehcic[index].hcor->or_usbcmd + USBMODE);
tmp = ehci_readl(reg_ptr);
tmp |= USBMODE_CM_HC;
#if defined(CONFIG_EHCI_MMIO_BIG_ENDIAN)
tmp |= USBMODE_BE;
#endif
ehci_writel(reg_ptr, tmp);
}
void ehci_set_usbmode(int index)
__attribute__((weak, alias("__ehci_set_usbmode")));
void __ehci_powerup_fixup(uint32_t *status_reg, uint32_t *reg)
{
mdelay(50);
@ -149,8 +174,6 @@ static int handshake(uint32_t *ptr, uint32_t mask, uint32_t done, int usec)
static int ehci_reset(int index)
{
uint32_t cmd;
uint32_t tmp;
uint32_t *reg_ptr;
int ret = 0;
cmd = ehci_readl(&ehcic[index].hcor->or_usbcmd);
@ -163,15 +186,8 @@ static int ehci_reset(int index)
goto out;
}
if (ehci_is_TDI()) {
reg_ptr = (uint32_t *)((u8 *)ehcic[index].hcor + USBMODE);
tmp = ehci_readl(reg_ptr);
tmp |= USBMODE_CM_HC;
#if defined(CONFIG_EHCI_MMIO_BIG_ENDIAN)
tmp |= USBMODE_BE;
#endif
ehci_writel(reg_ptr, tmp);
}
if (ehci_is_TDI())
ehci_set_usbmode(index);
#ifdef CONFIG_USB_EHCI_TXFIFO_THRESH
cmd = ehci_readl(&ehcic[index].hcor->or_txfilltuning);
@ -711,7 +727,7 @@ ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
tmpbuf[1] |= USB_PORT_STAT_POWER >> 8;
if (ehci_is_TDI()) {
switch (PORTSC_PSPD(reg)) {
switch (ehci_get_port_speed(ctrl->hcor, reg)) {
case PORTSC_PSPD_FS:
break;
case PORTSC_PSPD_LS: