sunxi: Move usb-controller init code out of ehci-sunxi.c for reuse for otg

Most of the usb-controller init code found in ehci-sunxi.c also is necessary
to init the otg usb controller, so move it to a common place.

While at it also update various #ifdefs / defines for sun8i support.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
diff --git a/arch/arm/include/asm/arch-sunxi/clock_sun4i.h b/arch/arm/include/asm/arch-sunxi/clock_sun4i.h
index 70b789e..a6d129c 100644
--- a/arch/arm/include/asm/arch-sunxi/clock_sun4i.h
+++ b/arch/arm/include/asm/arch-sunxi/clock_sun4i.h
@@ -182,7 +182,7 @@
 #define AHB_GATE_OFFSET_USB_EHCI1	3
 #define AHB_GATE_OFFSET_USB_OHCI0	2
 #define AHB_GATE_OFFSET_USB_EHCI0	1
-#define AHB_GATE_OFFSET_USB		0
+#define AHB_GATE_OFFSET_USB0		0
 
 /* ahb clock gate bit offset (second register) */
 #define AHB_GATE_OFFSET_GMAC		17
diff --git a/arch/arm/include/asm/arch-sunxi/clock_sun6i.h b/arch/arm/include/asm/arch-sunxi/clock_sun6i.h
index 653f63c..f85f94d 100644
--- a/arch/arm/include/asm/arch-sunxi/clock_sun6i.h
+++ b/arch/arm/include/asm/arch-sunxi/clock_sun6i.h
@@ -204,6 +204,7 @@
 #define AHB_GATE_OFFSET_USB_OHCI0	29
 #define AHB_GATE_OFFSET_USB_EHCI1	27
 #define AHB_GATE_OFFSET_USB_EHCI0	26
+#define AHB_GATE_OFFSET_USB0		24
 #define AHB_GATE_OFFSET_MCTL		14
 #define AHB_GATE_OFFSET_GMAC		17
 #define AHB_GATE_OFFSET_MMC3		11
diff --git a/arch/arm/include/asm/arch-sunxi/cpu.h b/arch/arm/include/asm/arch-sunxi/cpu.h
index bcfa00d..82b3d46 100644
--- a/arch/arm/include/asm/arch-sunxi/cpu.h
+++ b/arch/arm/include/asm/arch-sunxi/cpu.h
@@ -37,7 +37,7 @@
 #define SUNXI_MMC1_BASE			0x01c10000
 #define SUNXI_MMC2_BASE			0x01c11000
 #define SUNXI_MMC3_BASE			0x01c12000
-#ifndef CONFIG_MACH_SUN6I
+#if !defined CONFIG_MACH_SUN6I && !defined CONFIG_MACH_SUN8I
 #define SUNXI_USB0_BASE			0x01c13000
 #define SUNXI_USB1_BASE			0x01c14000
 #endif
@@ -45,7 +45,7 @@
 #define SUNXI_HDMI_BASE			0x01c16000
 #define SUNXI_SPI2_BASE			0x01c17000
 #define SUNXI_SATA_BASE			0x01c18000
-#ifndef CONFIG_MACH_SUN6I
+#if !defined CONFIG_MACH_SUN6I && !defined CONFIG_MACH_SUN8I
 #define SUNXI_PATA_BASE			0x01c19000
 #define SUNXI_ACE_BASE			0x01c1a000
 #define SUNXI_TVE1_BASE			0x01c1b000
diff --git a/arch/arm/include/asm/arch-sunxi/usbc.h b/arch/arm/include/asm/arch-sunxi/usbc.h
new file mode 100644
index 0000000..8d20973
--- /dev/null
+++ b/arch/arm/include/asm/arch-sunxi/usbc.h
@@ -0,0 +1,20 @@
+/*
+ * Sunxi usb-controller code shared between the ehci and musb controllers
+ *
+ * Copyright (C) 2014 Roman Byshko
+ *
+ * Roman Byshko <rbyshko@gmail.com>
+ *
+ * Based on code from
+ * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+void *sunxi_usbc_get_io_base(int index);
+int sunxi_usbc_request_resources(int index);
+int sunxi_usbc_free_resources(int index);
+void sunxi_usbc_enable(int index);
+void sunxi_usbc_disable(int index);
+void sunxi_usbc_vbus_enable(int index);
+void sunxi_usbc_vbus_disable(int index);