USB: ehci-atmel: use pcr to enable or disable clock

[u-boot] / drivers / usb / host / ehci-mxc.c

diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c
index 6260a8c939d495ad37074dce4ef625468afe9bf4..f09c75a9b64d3f5750f4ae8b7f4d16e80a0bd8a8 100644 (file)
--- a/drivers/usb/host/ehci-mxc.c
+++ b/drivers/usb/host/ehci-mxc.c
@@ -1,19 +1,7 @@
 /*
  * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 
@@ -37,7 +25,7 @@
 #define MX25_H1_SIC_SHIFT      21
 #define MX25_H1_SIC_MASK       (0x3 << MX25_H1_SIC_SHIFT)
 #define MX25_H1_PP_BIT         (1 << 18)
-#define MX25_H1_PM_BIT         (1 << 8)
+#define MX25_H1_PM_BIT         (1 << 16)
 #define MX25_H1_IPPUE_UP_BIT   (1 << 7)
 #define MX25_H1_IPPUE_DOWN_BIT (1 << 6)
 #define MX25_H1_TLL_BIT                (1 << 5)
@@ -58,6 +46,22 @@
 #define MX31_H1_PM_BIT         (1 << 8)
 #define MX31_H1_DT_BIT         (1 << 4)
 
+#define MX35_OTG_SIC_SHIFT     29
+#define MX35_OTG_SIC_MASK      (0x3 << MX35_OTG_SIC_SHIFT)
+#define MX35_OTG_PM_BIT                (1 << 24)
+#define MX35_OTG_PP_BIT                (1 << 11)
+#define MX35_OTG_OCPOL_BIT     (1 << 3)
+
+#define MX35_H1_SIC_SHIFT      21
+#define MX35_H1_SIC_MASK       (0x3 << MX35_H1_SIC_SHIFT)
+#define MX35_H1_PP_BIT         (1 << 18)
+#define MX35_H1_PM_BIT         (1 << 16)
+#define MX35_H1_IPPUE_UP_BIT   (1 << 7)
+#define MX35_H1_IPPUE_DOWN_BIT (1 << 6)
+#define MX35_H1_TLL_BIT                (1 << 5)
+#define MX35_H1_USBTE_BIT      (1 << 4)
+#define MX35_H1_OCPOL_BIT      (1 << 2)
+
 static int mxc_set_usbcontrol(int port, unsigned int flags)
 {
        unsigned int v;
@@ -143,6 +147,55 @@ static int mxc_set_usbcontrol(int port, unsigned int flags)
                if (!(flags & MXC_EHCI_TTL_ENABLED))
                        v |= MX31_H2_DT_BIT;
 
+               break;
+       default:
+               return -EINVAL;
+       }
+#elif defined(CONFIG_MX35)
+       switch (port) {
+       case 0: /* OTG port */
+               v &= ~(MX35_OTG_SIC_MASK | MX35_OTG_PM_BIT | MX35_OTG_PP_BIT |
+                               MX35_OTG_OCPOL_BIT);
+               v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX35_OTG_SIC_SHIFT;
+
+               if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
+                       v |= MX35_OTG_PM_BIT;
+
+               if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH)
+                       v |= MX35_OTG_PP_BIT;
+
+               if (!(flags & MXC_EHCI_OC_PIN_ACTIVE_LOW))
+                       v |= MX35_OTG_OCPOL_BIT;
+
+               break;
+       case 1: /* H1 port */
+               v &= ~(MX35_H1_SIC_MASK | MX35_H1_PM_BIT | MX35_H1_PP_BIT |
+                               MX35_H1_OCPOL_BIT | MX35_H1_TLL_BIT |
+                               MX35_H1_USBTE_BIT | MX35_H1_IPPUE_DOWN_BIT |
+                               MX35_H1_IPPUE_UP_BIT);
+               v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX35_H1_SIC_SHIFT;
+
+               if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
+                       v |= MX35_H1_PM_BIT;
+
+               if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH)
+                       v |= MX35_H1_PP_BIT;
+
+               if (!(flags & MXC_EHCI_OC_PIN_ACTIVE_LOW))
+                       v |= MX35_H1_OCPOL_BIT;
+
+               if (!(flags & MXC_EHCI_TTL_ENABLED))
+                       v |= MX35_H1_TLL_BIT;
+
+               if (flags & MXC_EHCI_INTERNAL_PHY)
+                       v |= MX35_H1_USBTE_BIT;
+
+               if (flags & MXC_EHCI_IPPUE_DOWN)
+                       v |= MX35_H1_IPPUE_DOWN_BIT;
+
+               if (flags & MXC_EHCI_IPPUE_UP)
+                       v |= MX35_H1_IPPUE_UP_BIT;
+
                break;
        default:
                return -EINVAL;
@@ -155,7 +208,8 @@ static int mxc_set_usbcontrol(int port, unsigned int flags)
        return 0;
 }
 
-int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor)
+int ehci_hcd_init(int index, enum usb_init_type init,
+               struct ehci_hccr **hccr, struct ehci_hcor **hcor)
 {
        struct usb_ehci *ehci;
 #ifdef CONFIG_MX31
@@ -176,6 +230,10 @@ int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor)
        setbits_le32(&ehci->usbmode, CM_HOST);
        __raw_writel(CONFIG_MXC_USB_PORTSC, &ehci->portsc);
        mxc_set_usbcontrol(CONFIG_MXC_USB_PORT, CONFIG_MXC_USB_FLAGS);
+#ifdef CONFIG_MX35
+       /* Workaround for ENGcm11601 */
+       __raw_writel(0, &ehci->sbuscfg);
+#endif
 
        udelay(10000);