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-rw-r--r--drivers/usb/host/ehci-hcd.c7
-rw-r--r--drivers/usb/host/ehci.h6
2 files changed, 12 insertions, 1 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index ef5afc2..b6422d7 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -255,6 +255,13 @@ static int ehci_reset(void)
#endif
ehci_writel(reg_ptr, tmp);
}
+
+#ifdef CONFIG_USB_EHCI_TXFIFO_THRESH
+ cmd = ehci_readl(&hcor->or_txfilltuning);
+ cmd &= ~TXFIFO_THRESH(0x3f);
+ cmd |= TXFIFO_THRESH(CONFIG_USB_EHCI_TXFIFO_THRESH);
+ ehci_writel(&hcor->or_txfilltuning, cmd);
+#endif
out:
return ret;
}
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index 3d0ad0c..cc00ce4 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -80,7 +80,11 @@ struct ehci_hcor {
uint32_t or_ctrldssegment;
uint32_t or_periodiclistbase;
uint32_t or_asynclistaddr;
- uint32_t _reserved_[9];
+ uint32_t _reserved_0_;
+ uint32_t or_burstsize;
+ uint32_t or_txfilltuning;
+#define TXFIFO_THRESH(p) ((p & 0x3f) << 16)
+ uint32_t _reserved_1_[6];
uint32_t or_configflag;
#define FLAG_CF (1 << 0) /* true: we'll support "high speed" */
uint32_t or_portsc[CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS];