ARM: pxa: move debug uart code
Move debug uart code from mach-pxa/mach-mmp to debug directory.
Since they are similar, merge them together.
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Acked-by: Eric Mico <eric.y.miao@gmail.com>
diff --git a/arch/arm/include/debug/pxa.S b/arch/arm/include/debug/pxa.S
new file mode 100644
index 0000000..e1e795a
--- /dev/null
+++ b/arch/arm/include/debug/pxa.S
@@ -0,0 +1,33 @@
+/*
+ * Early serial output macro for Marvell PXA/MMP SoC
+ *
+ * Copyright (C) 1994-1999 Russell King
+ * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
+ *
+ * Copyright (C) 2013 Haojian Zhuang
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#if defined(CONFIG_DEBUG_PXA_UART1)
+#define PXA_UART_REG_PHYS_BASE 0x40100000
+#define PXA_UART_REG_VIRT_BASE 0xf2100000
+#elif defined(CONFIG_DEBUG_MMP_UART2)
+#define PXA_UART_REG_PHYS_BASE 0xd4017000
+#define PXA_UART_REG_VIRT_BASE 0xfe017000
+#elif defined(CONFIG_DEBUG_MMP_UART3)
+#define PXA_UART_REG_PHYS_BASE 0xd4018000
+#define PXA_UART_REG_VIRT_BASE 0xfe018000
+#else
+#error "Select uart for DEBUG_LL"
+#endif
+
+ .macro addruart, rp, rv, tmp
+ ldr \rp, =PXA_UART_REG_PHYS_BASE
+ ldr \rv, =PXA_UART_REG_VIRT_BASE
+ .endm
+
+#define UART_SHIFT 2
+#include <asm/hardware/debug-8250.S>