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-rw-r--r--arch/arm/plat-mxc/include/mach/debug-macro.S49
1 files changed, 49 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 00000000000..6e192c4a391
--- /dev/null
+++ b/arch/arm/plat-mxc/include/mach/debug-macro.S
@@ -0,0 +1,49 @@
+/* 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_DEBUG_IMX1_UART
+#define UART_PADDR MX1_UART1_BASE_ADDR
+#elif defined (CONFIG_DEBUG_IMX25_UART)
+#define UART_PADDR MX25_UART1_BASE_ADDR
+#elif defined (CONFIG_DEBUG_IMX21_IMX27_UART)
+#define UART_PADDR MX2x_UART1_BASE_ADDR
+#elif defined (CONFIG_DEBUG_IMX31_IMX35_UART)
+#define UART_PADDR MX3x_UART1_BASE_ADDR
+#elif defined (CONFIG_DEBUG_IMX51_UART)
+#define UART_PADDR MX51_UART1_BASE_ADDR
+#elif defined (CONFIG_DEBUG_IMX50_IMX53_UART)
+#define UART_PADDR MX53_UART1_BASE_ADDR
+#elif defined (CONFIG_DEBUG_IMX6Q_UART)
+#define UART_PADDR MX6Q_UART4_BASE_ADDR
+#endif
+
+#define UART_VADDR IMX_IO_ADDRESS(UART_PADDR)
+
+ .macro addruart, rp, rv, tmp
+ 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