USB: EHCI: Add weak functions to support new chip
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>
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index c816878..6a55cd2 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -122,6 +122,31 @@
#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 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 @@
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 @@
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: