summaryrefslogtreecommitdiffstats
path: root/include/asm-arm/arch-omap/debug-macro.S
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-arm/arch-omap/debug-macro.S')
-rw-r--r--include/asm-arm/arch-omap/debug-macro.S45
1 files changed, 45 insertions, 0 deletions
diff --git a/include/asm-arm/arch-omap/debug-macro.S b/include/asm-arm/arch-omap/debug-macro.S
new file mode 100644
index 000000000000..83bb458afd0b
--- /dev/null
+++ b/include/asm-arm/arch-omap/debug-macro.S
@@ -0,0 +1,45 @@
+/* linux/include/asm-arm/arch-omap/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
+ mrc p15, 0, \rx, c1, c0
+ tst \rx, #1 @ MMU enabled?
+ moveq \rx, #0xff000000 @ physical base address
+ movne \rx, #0xfe000000 @ virtual base
+ orr \rx, \rx, #0x00fb0000
+#ifdef CONFIG_OMAP_LL_DEBUG_UART3
+ orr \rx, \rx, #0x00009000 @ UART 3
+#endif
+#if defined(CONFIG_OMAP_LL_DEBUG_UART2) || defined(CONFIG_OMAP_LL_DEBUG_UART3)
+ orr \rx, \rx, #0x00000800 @ UART 2 & 3
+#endif
+ .endm
+
+ .macro senduart,rd,rx
+ strb \rd, [\rx]
+ .endm
+
+ .macro busyuart,rd,rx
+1001: ldrb \rd, [\rx, #(0x5 << 2)] @ OMAP-1510 and friends
+ and \rd, \rd, #0x60
+ teq \rd, #0x60
+ beq 1002f
+ ldrb \rd, [\rx, #(0x5 << 0)] @ OMAP-730 only
+ and \rd, \rd, #0x60
+ teq \rd, #0x60
+ bne 1001b
+1002:
+ .endm
+
+ .macro waituart,rd,rx
+ .endm