summaryrefslogtreecommitdiff
path: root/include/asm-arm/arch-epxa10db/debug-macro.S
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-arm/arch-epxa10db/debug-macro.S')
-rw-r--r--include/asm-arm/arch-epxa10db/debug-macro.S41
1 files changed, 41 insertions, 0 deletions
diff --git a/include/asm-arm/arch-epxa10db/debug-macro.S b/include/asm-arm/arch-epxa10db/debug-macro.S
new file mode 100644
index 000000000000..1d11c51f498f
--- /dev/null
+++ b/include/asm-arm/arch-epxa10db/debug-macro.S
@@ -0,0 +1,41 @@
+/* linux/include/asm-arm/arch-epxa10db/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/arch/excalibur.h>
+#define UART00_TYPE
+#include <asm/arch/uart00.h>
+
+ .macro addruart,rx
+ mrc p15, 0, \rx, c1, c0
+ tst \rx, #1 @ MMU enabled?
+ ldr \rx, =EXC_UART00_BASE @ physical base address
+ orrne \rx, \rx, #0xff000000 @ virtual base
+ orrne \rx, \rx, #0x00f00000
+ .endm
+
+ .macro senduart,rd,rx
+ str \rd, [\rx, #UART_TD(0)]
+ .endm
+
+ .macro waituart,rd,rx
+1001: ldr \rd, [\rx, #UART_TSR(0)]
+ and \rd, \rd, #UART_TSR_TX_LEVEL_MSK
+ cmp \rd, #15
+ beq 1001b
+ .endm
+
+ .macro busyuart,rd,rx
+1001: ldr \rd, [\rx, #UART_TSR(0)]
+ ands \rd, \rd, #UART_TSR_TX_LEVEL_MSK
+ bne 1001b
+ .endm