From: lyz <lyz@rock-chips.com>
Date: Thu, 26 Sep 2013 13:39:04 +0000 (+0800)
Subject: rk3026: usb-debug : reset uart controller when usb_uart_init
X-Git-Tag: firefly_0821_release~6594
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=6b16e6c67d76216bbaf31d7a9137f4c826f3fcbd;p=firefly-linux-kernel-4.4.55.git

rk3026: usb-debug : reset uart controller when usb_uart_init
---

diff --git a/arch/arm/mach-rk3026/common.c b/arch/arm/mach-rk3026/common.c
old mode 100644
new mode 100755
index fcd7b547c61e..1e40af2340ba
--- a/arch/arm/mach-rk3026/common.c
+++ b/arch/arm/mach-rk3026/common.c
@@ -149,6 +149,13 @@ static void usb_uart_init(void)
 	}
 
 #endif // end of CONFIG_RK_USB_UART
+    writel_relaxed(0x07, DEBUG_UART_BASE + 0x88);
+    writel_relaxed(0x07, DEBUG_UART_BASE + 0x88);
+    writel_relaxed(0x00, DEBUG_UART_BASE + 0x04);
+    writel_relaxed(0x83, DEBUG_UART_BASE + 0x0c);
+    writel_relaxed(0x0d, DEBUG_UART_BASE + 0x00);
+    writel_relaxed(0x00, DEBUG_UART_BASE + 0x04);
+    writel_relaxed(0x03, DEBUG_UART_BASE + 0x0c);
 #endif //end of DEBUG_UART_BASE
 }