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Diffstat (limited to 'arch/powerpc/platforms/pseries/setup.c')
-rw-r--r--arch/powerpc/platforms/pseries/setup.c22
1 files changed, 12 insertions, 10 deletions
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 51ecac9..e3cb7ae 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -388,10 +388,8 @@ static void __init pSeries_setup_arch(void)
/* Find and initialize PCI host bridges */
init_pci_config_tokens();
- eeh_pseries_init();
find_and_init_phbs();
pSeries_reconfig_notifier_register(&pci_dn_reconfig_nb);
- eeh_init();
pSeries_nvram_init();
@@ -416,16 +414,20 @@ static int __init pSeries_init_panel(void)
}
machine_arch_initcall(pseries, pSeries_init_panel);
-static int pseries_set_dabr(unsigned long dabr)
+static int pseries_set_dabr(unsigned long dabr, unsigned long dabrx)
{
return plpar_hcall_norets(H_SET_DABR, dabr);
}
-static int pseries_set_xdabr(unsigned long dabr)
+static int pseries_set_xdabr(unsigned long dabr, unsigned long dabrx)
{
- /* We want to catch accesses from kernel and userspace */
- return plpar_hcall_norets(H_SET_XDABR, dabr,
- H_DABRX_KERNEL | H_DABRX_USER);
+ /* Have to set at least one bit in the DABRX according to PAPR */
+ if (dabrx == 0 && dabr == 0)
+ dabrx = DABRX_USER;
+ /* PAPR says we can only set kernel and user bits */
+ dabrx &= DABRX_KERNEL | DABRX_USER;
+
+ return plpar_hcall_norets(H_SET_XDABR, dabr, dabrx);
}
#define CMO_CHARACTERISTICS_TOKEN 44
@@ -529,10 +531,10 @@ static void __init pSeries_init_early(void)
if (firmware_has_feature(FW_FEATURE_LPAR))
hvc_vio_init_early();
#endif
- if (firmware_has_feature(FW_FEATURE_DABR))
- ppc_md.set_dabr = pseries_set_dabr;
- else if (firmware_has_feature(FW_FEATURE_XDABR))
+ if (firmware_has_feature(FW_FEATURE_XDABR))
ppc_md.set_dabr = pseries_set_xdabr;
+ else if (firmware_has_feature(FW_FEATURE_DABR))
+ ppc_md.set_dabr = pseries_set_dabr;
pSeries_cmo_feature_init();
iommu_init_early_pSeries();
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