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-rw-r--r--include/asm-arm/arch-rpc/debug-macro.S35
1 files changed, 35 insertions, 0 deletions
diff --git a/include/asm-arm/arch-rpc/debug-macro.S b/include/asm-arm/arch-rpc/debug-macro.S
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+++ b/include/asm-arm/arch-rpc/debug-macro.S
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+/* linux/include/asm-arm/arch-rpc/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.
+ *
+*/
+
+ .macro addruart,rx
+ mov \rx, #0xe0000000
+ orr \rx, \rx, #0x00010000
+ orr \rx, \rx, #0x00000fe0
+ .endm
+
+ .macro senduart,rd,rx
+ strb \rd, [\rx]
+ .endm
+
+ .macro busyuart,rd,rx
+1001: ldrb \rd, [\rx, #0x14]
+ and \rd, \rd, #0x60
+ teq \rd, #0x60
+ bne 1001b
+ .endm
+
+ .macro waituart,rd,rx
+1001: ldrb \rd, [\rx, #0x18]
+ tst \rd, #0x10
+ beq 1001b
+ .endm