[ARM] 3567/2: arm: base support for Hilscher netX

Patch from Sascha Hauer

This patch adds the base support for Hilscher's netX network
processors.

Signed-off-by: Robert Schwebel <r.schwebel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 38 insertions, 0 deletions

diff --git a/include/asm-arm/arch-netx/debug-macro.S b/include/asm-arm/arch-netx/debug-macro.S
new file mode 100644
index 000000000000..a940d0e80cb2
--- /dev/null
+++ b/include/asm-arm/arch-netx/debug-macro.S
@@ -0,0 +1,38 @@
+/* linux/include/asm-arm/arch-netx/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 "hardware.h"
+
+                .macro  addruart,rx
+                mrc     p15, 0, \rx, c1, c0
+                tst     \rx, #1                 @ MMU enabled?
+                moveq   \rx, #0x00100000                @ physical
+                movne   \rx, #io_p2v(0x00100000)        @ virtual
+                orr     \rx, \rx, #0x00000a00
+                .endm
+
+                .macro  senduart,rd,rx
+                str     \rd, [\rx, #0]
+                .endm
+
+                .macro  busyuart,rd,rx
+1002:           ldr     \rd, [\rx, #0x18]
+                tst     \rd, #(1 << 3)
+                bne     1002b
+                .endm
+
+                .macro  waituart,rd,rx
+1001:           ldr     \rd, [\rx, #0x18]
+                tst     \rd, #(1 << 3)
+                bne     1001b
+                .endm