aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-ks8695/include/mach/debug-macro.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-ks8695/include/mach/debug-macro.S')
-rw-r--r--arch/arm/mach-ks8695/include/mach/debug-macro.S38
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/mach-ks8695/include/mach/debug-macro.S b/arch/arm/mach-ks8695/include/mach/debug-macro.S
new file mode 100644
index 00000000000..3782c355949
--- /dev/null
+++ b/arch/arm/mach-ks8695/include/mach/debug-macro.S
@@ -0,0 +1,38 @@
+/*
+ * arch/arm/mach-ks8695/include/mach/debug-macro.S
+ *
+ * Copyright (C) 2006 Ben Dooks <ben@simtec.co.uk>
+ * Copyright (C) 2006 Simtec Electronics
+ *
+ * KS8695 - Debug macros
+ *
+ * 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 <mach/hardware.h>
+#include <mach/regs-uart.h>
+
+ .macro addruart, rx
+ mrc p15, 0, \rx, c1, c0
+ tst \rx, #1 @ MMU enabled?
+ ldreq \rx, =KS8695_UART_PA @ physical base address
+ ldrne \rx, =KS8695_UART_VA @ virtual base address
+ .endm
+
+ .macro senduart, rd, rx
+ str \rd, [\rx, #KS8695_URTH] @ Write to Transmit Holding Register
+ .endm
+
+ .macro busyuart, rd, rx
+1001: ldr \rd, [\rx, #KS8695_URLS] @ Read Line Status Register
+ tst \rd, #URLS_URTE @ Holding & Shift registers empty?
+ beq 1001b
+ .endm
+
+ .macro waituart, rd, rx
+1001: ldr \rd, [\rx, #KS8695_URLS] @ Read Line Status Register
+ tst \rd, #URLS_URTHRE @ Holding Register empty?
+ beq 1001b
+ .endm