1 files changed, 72 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/include/mach/debug-macro.S b/arch/arm/plat-mxc/include/mach/debug-macro.S
new file mode 100644
index 00000000..e19086cc
--- /dev/null
+++ b/arch/arm/plat-mxc/include/mach/debug-macro.S
@@ -0,0 +1,72 @@
+/* arch/arm/mach-imx/include/mach/debug-macro.S
+ *
+ * Debugging macro include header
+ *
+ *  Copyright (C) 1994-1999 Russell King
+ *  Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
+ *
+ * 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.
+ *
+ */
+#include <mach/hardware.h>
+
+#ifdef CONFIG_ARCH_MX1
+#define UART_PADDR	MX1_UART1_BASE_ADDR
+#endif
+
+#ifdef CONFIG_ARCH_MX25
+#ifdef UART_PADDR
+#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
+#endif
+#define UART_PADDR	MX25_UART1_BASE_ADDR
+#endif
+
+#ifdef CONFIG_ARCH_MX2
+#ifdef UART_PADDR
+#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
+#endif
+#define UART_PADDR	MX2x_UART1_BASE_ADDR
+#endif
+
+#ifdef CONFIG_ARCH_MX3
+#ifdef UART_PADDR
+#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
+#endif
+#define UART_PADDR	MX3x_UART1_BASE_ADDR
+#endif
+
+#ifdef CONFIG_ARCH_MX5
+#ifdef UART_PADDR
+#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
+#endif
+#define UART_PADDR	MX51_UART1_BASE_ADDR
+#endif
+
+#ifdef CONFIG_ARCH_MX6Q
+#ifdef UART_PADDR
+#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
+#endif
+#define UART_PADDR	MX6Q_UART4_BASE_ADDR
+#endif
+
+#define UART_VADDR	IMX_IO_ADDRESS(UART_PADDR)
+
+		.macro	addruart, rp, rv
+		ldr	\rp, =UART_PADDR	@ physical
+		ldr	\rv, =UART_VADDR	@ virtual
+		.endm
+
+		.macro	senduart,rd,rx
+		str	\rd, [\rx, #0x40]	@ TXDATA
+		.endm
+
+		.macro	waituart,rd,rx
+		.endm
+
+		.macro	busyuart,rd,rx
+1002:		ldr	\rd, [\rx, #0x98]	@ SR2
+		tst	\rd, #1 << 3		@ TXDC
+		beq	1002b			@ wait until transmit done
+		.endm