1 files changed, 40 insertions, 0 deletions

diff --git a/arch/arm/mach-h720x/include/mach/debug-macro.S b/arch/arm/mach-h720x/include/mach/debug-macro.S
new file mode 100644
index 00000000000..6294a1344dd
--- /dev/null
+++ b/arch/arm/mach-h720x/include/mach/debug-macro.S
@@ -0,0 +1,40 @@
+/* arch/arm/mach-h720x/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.
+ *
+*/
+
+                .equ    io_virt, IO_BASE
+                .equ    io_phys, IO_START
+
+                .macro  addruart,rx
+                mrc     p15, 0, \rx, c1, c0
+                tst     \rx, #1                @ MMU enabled?
+                moveq   \rx, #io_phys          @ physical base address
+                movne   \rx, #io_virt          @ virtual address
+                add     \rx, \rx, #0x00020000   @ UART1
+                .endm
+
+                .macro  senduart,rd,rx
+                str     \rd, [\rx, #0x0]        @ UARTDR
+
+                .endm
+
+                .macro  waituart,rd,rx
+1001:           ldr     \rd, [\rx, #0x18]       @ UARTFLG
+                tst     \rd, #1 << 5           @ UARTFLGUTXFF - 1 when full
+                bne     1001b
+                .endm
+
+                .macro  busyuart,rd,rx
+1001:           ldr     \rd, [\rx, #0x18]       @ UARTFLG
+                tst     \rd, #1 << 3           @ UARTFLGUBUSY - 1 when busy
+                bne     1001b
+                .endm