aboutsummaryrefslogtreecommitdiff
path: root/include/asm-arm/arch-realview/debug-macro.S
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-arm/arch-realview/debug-macro.S')
-rw-r--r--include/asm-arm/arch-realview/debug-macro.S38
1 files changed, 38 insertions, 0 deletions
diff --git a/include/asm-arm/arch-realview/debug-macro.S b/include/asm-arm/arch-realview/debug-macro.S
new file mode 100644
index 00000000000..ed28bd01223
--- /dev/null
+++ b/include/asm-arm/arch-realview/debug-macro.S
@@ -0,0 +1,38 @@
+/* linux/include/asm-arm/arch-realview/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 <asm/hardware/amba_serial.h>
+
+ .macro addruart,rx
+ mrc p15, 0, \rx, c1, c0
+ tst \rx, #1 @ MMU enabled?
+ moveq \rx, #0x10000000
+ movne \rx, #0xf1000000 @ virtual base
+ orr \rx, \rx, #0x00009000
+ .endm
+
+ .macro senduart,rd,rx
+ strb \rd, [\rx, #UART01x_DR]
+ .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