powerpc: Make set_dabr() a ppc_md function
Move pSeries specific code in set_dabr() into a ppc_md function, this will
allow us to keep plpar_wrappers.h private to platforms/pseries.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index c0a3d91..ee468f0 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -350,6 +350,16 @@
for(;;);
}
+static int pseries_set_dabr(unsigned long dabr)
+{
+ if (firmware_has_feature(FW_FEATURE_XDABR)) {
+ /* We want to catch accesses from kernel and userspace */
+ return plpar_set_xdabr(dabr, H_DABRX_KERNEL | H_DABRX_USER);
+ }
+
+ return plpar_set_dabr(dabr);
+}
+
/*
* Early initialization. Relocation is on but do not reference unbolted pages
@@ -385,6 +395,8 @@
DBG("Hello World !\n");
}
+ if (firmware_has_feature(FW_FEATURE_XDABR | FW_FEATURE_DABR))
+ ppc_md.set_dabr = pseries_set_dabr;
iommu_init_early_pSeries();