Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / arm / include / debug / s3c24xx.S

diff --git a/kernel/arch/arm/include/debug/s3c24xx.S b/kernel/arch/arm/include/debug/s3c24xx.S
new file mode 100644 (file)
index 0000000..b1f54dc
--- /dev/null
+++ b/kernel/arch/arm/include/debug/s3c24xx.S
@@ -0,0 +1,46 @@
+/* arch/arm/mach-s3c2410/include/mach/debug-macro.S
+ *
+ * Debugging macro include header
+ *
+ *  Copyright (C) 1994-1999 Russell King
+ *  Copyright (C) 2005 Simtec Electronics
+ *
+ *  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 <linux/serial_s3c.h>
+
+#define S3C2410_UART1_OFF (0x4000)
+
+       .macro addruart, rp, rv, tmp
+               ldr     \rp, = CONFIG_DEBUG_UART_PHYS
+               ldr     \rv, = CONFIG_DEBUG_UART_VIRT
+       .endm
+
+       .macro  fifo_full_s3c2410 rd, rx
+               ldr     \rd, [\rx, # S3C2410_UFSTAT]
+               tst     \rd, #S3C2410_UFSTAT_TXFULL
+       .endm
+
+       .macro fifo_level_s3c2410 rd, rx
+               ldr     \rd, [\rx, # S3C2410_UFSTAT]
+               and     \rd, \rd, #S3C2410_UFSTAT_TXMASK
+       .endm
+
+/* Select the correct implementation depending on the configuration. The
+ * S3C2440 will get selected by default, as these are the most widely
+ * used variants of these
+*/
+
+#if defined(CONFIG_DEBUG_S3C2410_UART)
+#define fifo_full  fifo_full_s3c2410
+#define fifo_level fifo_level_s3c2410
+#endif
+
+/* include the reset of the code which will do the work */
+
+#include <debug/samsung.S>