ARM: vexpress: move debug macros to include/debug

Move vexpress debug-macro.S over to common debug macro directory. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Cc: Pawel Moll <pawel.moll@arm.com>
2012-08-31 00:08:21 -05:00
parent 2e9bb084e8
commit fa04e4dbd3
2 changed files with 2 additions and 0 deletions
@@ -0,0 +1,84 @@
+/* arch/arm/mach-realview/include/mach/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.
+ */
+
+#define DEBUG_LL_PHYS_BASE		0x10000000
+#define DEBUG_LL_UART_OFFSET		0x00009000
+
+#define DEBUG_LL_PHYS_BASE_RS1		0x1c000000
+#define DEBUG_LL_UART_OFFSET_RS1	0x00090000
+
+#define DEBUG_LL_VIRT_BASE		0xf8000000
+
+#if defined(CONFIG_DEBUG_VEXPRESS_UART0_DETECT)
+
+		.macro	addruart,rp,rv,tmp
+
+		@ Make an educated guess regarding the memory map:
+		@ - the original A9 core tile, which has MPCore peripherals
+		@   located at 0x1e000000, should use UART at 0x10009000
+		@ - all other (RS1 complaint) tiles use UART mapped
+		@   at 0x1c090000
+		mrc	p15, 4, \tmp, c15, c0, 0
+		cmp	\tmp, #0x1e000000
+
+		@ Original memory map
+		moveq	\rp, #DEBUG_LL_UART_OFFSET
+		orreq	\rv, \rp, #DEBUG_LL_VIRT_BASE
+		orreq	\rp, \rp, #DEBUG_LL_PHYS_BASE
+
+		@ RS1 memory map
+		movne	\rp, #DEBUG_LL_UART_OFFSET_RS1
+		orrne	\rv, \rp, #DEBUG_LL_VIRT_BASE
+		orrne	\rp, \rp, #DEBUG_LL_PHYS_BASE_RS1
+
+		.endm
+
+#include <asm/hardware/debug-pl01x.S>
+
+#elif defined(CONFIG_DEBUG_VEXPRESS_UART0_CA9)
+
+		.macro	addruart,rp,rv,tmp
+		mov	\rp, #DEBUG_LL_UART_OFFSET
+		orr	\rv, \rp, #DEBUG_LL_VIRT_BASE
+		orr	\rp, \rp, #DEBUG_LL_PHYS_BASE
+		.endm
+
+#include <asm/hardware/debug-pl01x.S>
+
+#elif defined(CONFIG_DEBUG_VEXPRESS_UART0_RS1)
+
+		.macro	addruart,rp,rv,tmp
+		mov	\rp, #DEBUG_LL_UART_OFFSET_RS1
+		orr	\rv, \rp, #DEBUG_LL_VIRT_BASE
+		orr	\rp, \rp, #DEBUG_LL_PHYS_BASE_RS1
+		.endm
+
+#include <asm/hardware/debug-pl01x.S>
+
+#else /* CONFIG_DEBUG_LL_UART_NONE */
+
+		.macro	addruart, rp, rv, tmp
+		/* Safe dummy values */
+		mov	\rp, #0
+		mov	\rv, #DEBUG_LL_VIRT_BASE
+		.endm
+
+		.macro	senduart,rd,rx
+		.endm
+
+		.macro	waituart,rd,rx
+		.endm
+
+		.macro	busyuart,rd,rx
+		.endm
+
+#endif