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-rw-r--r--arch/arm/cpu/armv7/exynos/system.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/exynos/system.c b/arch/arm/cpu/armv7/exynos/system.c
index 6c34730..cc6ee03 100644
--- a/arch/arm/cpu/armv7/exynos/system.c
+++ b/arch/arm/cpu/armv7/exynos/system.c
@@ -25,6 +25,28 @@
#include <asm/io.h>
#include <asm/arch/system.h>
+static void exynos5_set_usbhost_mode(unsigned int mode)
+{
+ struct exynos5_sysreg *sysreg =
+ (struct exynos5_sysreg *)samsung_get_base_sysreg();
+ unsigned int phy_cfg;
+
+ /* Setting USB20PHY_CONFIG register to USB 2.0 HOST link */
+ if (mode == USB20_PHY_CFG_HOST_LINK_EN) {
+ setbits_le32(&sysreg->usb20phy_cfg,
+ USB20_PHY_CFG_HOST_LINK_EN);
+ } else {
+ clrbits_le32(&sysreg->usb20phy_cfg,
+ USB20_PHY_CFG_HOST_LINK_EN);
+ }
+}
+
+void set_usbhost_mode(unsigned int mode)
+{
+ if (cpu_is_exynos5())
+ exynos5_set_usbhost_mode(mode);
+}
+
static void exynos4_set_system_display(void)
{
struct exynos4_sysreg *sysreg =