plat-mxc/ehci.c: add i.MX25 support

i.MX25's OTG has the same USBCTRL registers than i.MX35 so reuse
most of the i.MX35's defines.

Signed-off-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 45 insertions, 1 deletions

diff --git a/arch/arm/plat-mxc/ehci.c b/arch/arm/plat-mxc/ehci.c
index 2a8646173c2f..618479258bb6 100644
--- a/arch/arm/plat-mxc/ehci.c
+++ b/arch/arm/plat-mxc/ehci.c
@@ -73,7 +73,51 @@
 int mxc_initialize_usb_hw(int port, unsigned int flags)
 {
         unsigned int v;
-#ifdef CONFIG_ARCH_MX3
+#if defined(CONFIG_ARCH_MX25)
+        if (cpu_is_mx25()) {
+                v = readl(MX25_IO_ADDRESS(MX25_OTG_BASE_ADDR +
+                                     USBCTRL_OTGBASE_OFFSET));
+
+                switch (port) {
+                case 0: /* OTG port */
+                        v &= ~(MX35_OTG_SIC_MASK | MX35_OTG_PM_BIT);
+                        v |= (flags & MXC_EHCI_INTERFACE_MASK)
+                                        << MX35_OTG_SIC_SHIFT;
+                        if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
+                                v |= MX35_OTG_PM_BIT;
+
+                        break;
+                case 1: /* H1 port */
+                        v &= ~(MX35_H1_SIC_MASK | MX35_H1_PM_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_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;
+                }
+
+                writel(v, MX25_IO_ADDRESS(MX25_OTG_BASE_ADDR +
+                                     USBCTRL_OTGBASE_OFFSET));
+                return 0;
+        }
+#endif /* CONFIG_ARCH_MX25 */
+#if defined(CONFIG_ARCH_MX3)
         if (cpu_is_mx31()) {
                 v = readl(MX31_IO_ADDRESS(MX31_OTG_BASE_ADDR +
                                      USBCTRL_OTGBASE_OFFSET));