1 files changed, 66 insertions, 0 deletions

diff --git a/include/asm-arm/arch-ebsa285/debug-macro.S b/include/asm-arm/arch-ebsa285/debug-macro.S
new file mode 100644
index 00000000000..237853db6e2
--- /dev/null
+++ b/include/asm-arm/arch-ebsa285/debug-macro.S
@@ -0,0 +1,66 @@
+/* linux/include/asm-arm/arch-ebsa285/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/dec21285.h>
+
+#ifndef CONFIG_DEBUG_DC21285_PORT
+        /* For NetWinder debugging */
+                .macro  addruart,rx
+                mrc     p15, 0, \rx, c1, c0
+                tst     \rx, #1                 @ MMU enabled?
+                moveq   \rx, #0x7c000000        @ physical
+                movne   \rx, #0xff000000        @ virtual
+                orr     \rx, \rx, #0x000003f8
+                .endm
+
+                .macro  senduart,rd,rx
+                strb    \rd, [\rx]
+                .endm
+
+                .macro  busyuart,rd,rx
+1002:           ldrb    \rd, [\rx, #0x5]
+                and     \rd, \rd, #0x60
+                teq     \rd, #0x60
+                bne     1002b
+                .endm
+
+                .macro  waituart,rd,rx
+1001:           ldrb    \rd, [\rx, #0x6]
+                tst     \rd, #0x10
+                beq     1001b
+                .endm
+#else
+        /* For EBSA285 debugging */
+                .equ    dc21285_high, ARMCSR_BASE & 0xff000000
+                .equ    dc21285_low,  ARMCSR_BASE & 0x00ffffff
+
+                .macro  addruart,rx
+                mov     \rx, #dc21285_high
+                .if     dc21285_low
+                orr     \rx, \rx, #dc21285_low
+                .endif
+                .endm
+
+                .macro  senduart,rd,rx
+                str     \rd, [\rx, #0x160]      @ UARTDR
+                .endm
+
+                .macro  busyuart,rd,rx
+1001:           ldr     \rd, [\rx, #0x178]      @ UARTFLG
+                tst     \rd, #1 << 3
+                bne     1001b
+                .endm
+
+                .macro  waituart,rd,rx
+                .endm
+#endif