ARM: vexpress: move debug macros to include/debug

[sfrench/cifs-2.6.git] / arch / arm / include / debug / vexpress.S

diff --git a/arch/arm/include/debug/vexpress.S b/arch/arm/include/debug/vexpress.S
new file mode 100644 (file)
index 0000000..9f509f5
--- /dev/null
+++ b/arch/arm/include/debug/vexpress.S
@@ -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