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Diffstat (limited to 'arch/powerpc/platforms/pseries/setup.c')
-rw-r--r--arch/powerpc/platforms/pseries/setup.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 1890730354b..b1f60d162bb 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -65,6 +65,7 @@
#include <asm/smp.h>
#include <asm/firmware.h>
#include <asm/eeh.h>
+#include <asm/reg.h>
#include "plpar_wrappers.h"
#include "pseries.h"
@@ -500,6 +501,14 @@ static int pseries_set_xdabr(unsigned long dabr, unsigned long dabrx)
return plpar_hcall_norets(H_SET_XDABR, dabr, dabrx);
}
+static int pseries_set_dawr(unsigned long dawr, unsigned long dawrx)
+{
+ /* PAPR says we can't set HYP */
+ dawrx &= ~DAWRX_HYP;
+
+ return plapr_set_watchpoint0(dawr, dawrx);
+}
+
#define CMO_CHARACTERISTICS_TOKEN 44
#define CMO_MAXLENGTH 1026
@@ -606,6 +615,9 @@ static void __init pSeries_init_early(void)
else if (firmware_has_feature(FW_FEATURE_DABR))
ppc_md.set_dabr = pseries_set_dabr;
+ if (firmware_has_feature(FW_FEATURE_SET_MODE))
+ ppc_md.set_dawr = pseries_set_dawr;
+
pSeries_cmo_feature_init();
iommu_init_early_pSeries();