[PATCH] ARM: fix debug macros
Fix debug EBSA285 and RiscPC debugging macros to detect whether the
MMU is enabled.
Signed-off-by: Russell King <rmk@arm.linux.org.uk>
diff --git a/include/asm-arm/arch-ebsa285/debug-macro.S b/include/asm-arm/arch-ebsa285/debug-macro.S
index 237853d..97d15fc 100644
--- a/include/asm-arm/arch-ebsa285/debug-macro.S
+++ b/include/asm-arm/arch-ebsa285/debug-macro.S
@@ -45,9 +45,12 @@
.equ dc21285_low, ARMCSR_BASE & 0x00ffffff
.macro addruart,rx
- mov \rx, #dc21285_high
+ mrc p15, 0, \rx, c1, c0
+ tst \rx, #1 @ MMU enabled?
+ moveq \rx, #0x42000000
+ movne \rx, #dc21285_high
.if dc21285_low
- orr \rx, \rx, #dc21285_low
+ orrne \rx, \rx, #dc21285_low
.endif
.endm
diff --git a/include/asm-arm/arch-rpc/debug-macro.S b/include/asm-arm/arch-rpc/debug-macro.S
index 0711828..456d3d7 100644
--- a/include/asm-arm/arch-rpc/debug-macro.S
+++ b/include/asm-arm/arch-rpc/debug-macro.S
@@ -12,7 +12,10 @@
*/
.macro addruart,rx
- mov \rx, #0xe0000000
+ mrc p15, 0, \rx, c1, c0
+ tst \rx, #1 @ MMU enabled?
+ moveq \rx, #0x03000000
+ movne \rx, #0xe0000000
orr \rx, \rx, #0x00010000
orr \rx, \rx, #0x00000fe0
.endm
