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-rw-r--r--arch/arm/mach-l7200/include/mach/debug-macro.S38
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/mach-l7200/include/mach/debug-macro.S b/arch/arm/mach-l7200/include/mach/debug-macro.S
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+++ b/arch/arm/mach-l7200/include/mach/debug-macro.S
@@ -0,0 +1,38 @@
+/* arch/arm/mach-l7200/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, rp, rv
+ mov \rp, #0x00044000 @ UART1
+@ mov \rp, #0x00045000 @ UART2
+ add \rv, \rp, #io_virt @ virtual address
+ add \rp, \rp, #io_phys @ physical base address
+ .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
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