[Cbe-oss-dev] [PATCH 2/2] enable hardware watchpoints on cell blades

[Jens Osterkamp]

Ulrich Weigand has found that the hardware watchpoints on cell were not
working back in November :

http://ozlabs.org/pipermail/linuxppc-dev/2007-November/046135.html

This patch sets them during initialization.

Signed-off-by: Jens Osterkamp <jens at de.ibm.com>

Index: linux-2.6/arch/powerpc/platforms/cell/setup.c
===================================================================
--- linux-2.6.orig/arch/powerpc/platforms/cell/setup.c	2008-02-26 14:31:47.000000000 +0100
+++ linux-2.6/arch/powerpc/platforms/cell/setup.c	2008-02-26 14:55:16.000000000 +0100
@@ -149,6 +149,11 @@
 	mpic_init_IRQ();
 }
 
+static void __init cell_set_dabrx(void)
+{
+	mtspr(SPRN_DABRX, DABRX_KERNEL | DABRX_USER);
+}
+
 static void __init cell_setup_arch(void)
 {
 #ifdef CONFIG_SPU_BASE
@@ -158,6 +163,8 @@
 
 	cbe_regs_init();
 
+	cell_set_dabrx();
+
 #ifdef CONFIG_CBE_RAS
 	cbe_ras_init();
 #endif