drivers: usb: fsl: Make function for initialization to use in CONFIG_DM_USB
authorRajesh Bhagat <rajesh.bhagat@nxp.com>
Fri, 1 Jul 2016 13:21:45 +0000 (18:51 +0530)
committerMarek Vasut <marex@denx.de>
Sun, 7 Aug 2016 19:55:43 +0000 (21:55 +0200)
Moves code from ehci_hcd_init to new function ehci_fsl_init
which can be re-used in CONFIG_DM_USB.

Signed-off-by: Rajesh Bhagat <rajesh.bhagat@nxp.com>
drivers/usb/host/ehci-fsl.c

index fa916ed77f99882d168d218e41d61950b8a9ae51..df3fa041b7fee48f8d335d8a9886e304f569f2c4 100644 (file)
@@ -24,6 +24,8 @@
 #endif
 
 static void set_txfifothresh(struct usb_ehci *, u32);
+static int ehci_fsl_init(int index, struct usb_ehci *ehci,
+                        struct ehci_hccr *hccr, struct ehci_hcor *hcor);
 
 /* Check USB PHY clock valid */
 static int usb_phy_clk_valid(struct usb_ehci *ehci)
@@ -47,6 +49,38 @@ int ehci_hcd_init(int index, enum usb_init_type init,
                struct ehci_hccr **hccr, struct ehci_hcor **hcor)
 {
        struct usb_ehci *ehci = NULL;
+
+       switch (index) {
+       case 0:
+               ehci = (struct usb_ehci *)CONFIG_SYS_FSL_USB1_ADDR;
+               break;
+       case 1:
+               ehci = (struct usb_ehci *)CONFIG_SYS_FSL_USB2_ADDR;
+               break;
+       default:
+               printf("ERROR: wrong controller index!!\n");
+               return -EINVAL;
+       };
+
+       *hccr = (struct ehci_hccr *)((uint32_t)&ehci->caplength);
+       *hcor = (struct ehci_hcor *)((uint32_t) *hccr +
+                       HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
+
+       return ehci_fsl_init(index, ehci, *hccr, *hcor);
+}
+
+/*
+ * Destroy the appropriate control structures corresponding
+ * the the EHCI host controller.
+ */
+int ehci_hcd_stop(int index)
+{
+       return 0;
+}
+
+static int ehci_fsl_init(int index, struct usb_ehci *ehci,
+                        struct ehci_hccr *hccr, struct ehci_hcor *hcor)
+{
        const char *phy_type = NULL;
        size_t len;
        char current_usb_controller[5];
@@ -68,22 +102,6 @@ int ehci_hcd_init(int index, enum usb_init_type init,
        snprintf(current_usb_controller, sizeof(current_usb_controller),
                 "usb%d", index+1);
 
-       switch (index) {
-       case 0:
-               ehci = (struct usb_ehci *)CONFIG_SYS_FSL_USB1_ADDR;
-               break;
-       case 1:
-               ehci = (struct usb_ehci *)CONFIG_SYS_FSL_USB2_ADDR;
-               break;
-       default:
-               printf("ERROR: wrong controller index!!\n");
-               return -EINVAL;
-       };
-
-       *hccr = (struct ehci_hccr *)((uint32_t)&ehci->caplength);
-       *hcor = (struct ehci_hcor *)((uint32_t) *hccr +
-                       HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
-
        /* Set to Host mode */
        setbits_le32(&ehci->usbmode, CM_HOST);
 
@@ -116,7 +134,7 @@ int ehci_hcd_init(int index, enum usb_init_type init,
                                UTMI_PHY_EN);
                udelay(1000); /* delay required for PHY Clk to appear */
 #endif
-               out_le32(&(*hcor)->or_portsc[0], PORT_PTS_UTMI);
+               out_le32(&(hcor)->or_portsc[0], PORT_PTS_UTMI);
                clrsetbits_be32(&ehci->control, CONTROL_REGISTER_W1C_MASK,
                                USB_EN);
        } else {
@@ -127,7 +145,7 @@ int ehci_hcd_init(int index, enum usb_init_type init,
                udelay(1000); /* delay required for PHY Clk to appear */
                if (!usb_phy_clk_valid(ehci))
                        return -EINVAL;
-               out_le32(&(*hcor)->or_portsc[0], PORT_PTS_ULPI);
+               out_le32(&(hcor)->or_portsc[0], PORT_PTS_ULPI);
        }
 
        out_be32(&ehci->prictrl, 0x0000000c);
@@ -152,15 +170,6 @@ int ehci_hcd_init(int index, enum usb_init_type init,
        return 0;
 }
 
-/*
- * Destroy the appropriate control structures corresponding
- * the the EHCI host controller.
- */
-int ehci_hcd_stop(int index)
-{
-       return 0;
-}
-
 /*
  * Setting the value of TXFIFO_THRESH field in TXFILLTUNING register
  * to counter DDR latencies in writing data into Tx buffer.