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-rw-r--r--arch/powerpc/kernel/prom_init.c39
-rw-r--r--arch/powerpc/mm/slb.c8
-rw-r--r--arch/powerpc/platforms/pseries/hotplug-cpu.c2
-rw-r--r--arch/powerpc/platforms/pseries/lpar.c1
-rw-r--r--include/asm-powerpc/mmu-hash64.h1
5 files changed, 51 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 1add6efdb31..5d89a21dd0d 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -2216,6 +2216,45 @@ static void __init fixup_device_tree_efika(void)
prom_printf("fixup_device_tree_efika: ",
"skipped entry %x - setprop error\n", i);
}
+
+ /* Make sure ethernet mdio bus node exists */
+ node = call_prom("finddevice", 1, 1, ADDR("/builtin/mdio"));
+ if (!PHANDLE_VALID(node)) {
+ prom_printf("Adding Ethernet MDIO node\n");
+ call_prom("interpret", 1, 1,
+ " s\" /builtin\" find-device"
+ " new-device"
+ " 1 encode-int s\" #address-cells\" property"
+ " 0 encode-int s\" #size-cells\" property"
+ " s\" mdio\" 2dup device-name device-type"
+ " s\" mpc5200b-fec-phy\" encode-string"
+ " s\" compatible\" property"
+ " 0xf0003000 0x400 reg"
+ " 0x2 encode-int"
+ " 0x5 encode-int encode+"
+ " 0x3 encode-int encode+"
+ " s\" interrupts\" property"
+ " finish-device");
+ };
+
+ /* Make sure ethernet phy device node exist */
+ node = call_prom("finddevice", 1, 1, ADDR("/builtin/mdio/ethernet-phy"));
+ if (!PHANDLE_VALID(node)) {
+ prom_printf("Adding Ethernet PHY node\n");
+ call_prom("interpret", 1, 1,
+ " s\" /builtin/mdio\" find-device"
+ " new-device"
+ " s\" ethernet-phy\" device-name"
+ " 0x10 encode-int s\" reg\" property"
+ " my-self"
+ " ihandle>phandle"
+ " finish-device"
+ " s\" /builtin/ethernet\" find-device"
+ " encode-int"
+ " s\" phy-handle\" property"
+ " device-end");
+ }
+
}
#else
#define fixup_device_tree_efika()
diff --git a/arch/powerpc/mm/slb.c b/arch/powerpc/mm/slb.c
index 27922dff8b9..a282bc212e8 100644
--- a/arch/powerpc/mm/slb.c
+++ b/arch/powerpc/mm/slb.c
@@ -82,6 +82,14 @@ static inline void slb_shadow_clear(unsigned long entry)
get_slb_shadow()->save_area[entry].esid = 0;
}
+void slb_shadow_clear_all(void)
+{
+ int i;
+
+ for (i = 0; i < SLB_NUM_BOLTED; i++)
+ slb_shadow_clear(i);
+}
+
static inline void create_shadowed_slbe(unsigned long ea, int ssize,
unsigned long flags,
unsigned long entry)
diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index fc48b96c81b..412e6b42986 100644
--- a/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c
@@ -29,6 +29,7 @@
#include <asm/vdso_datapage.h>
#include <asm/pSeries_reconfig.h>
#include "xics.h"
+#include "plpar_wrappers.h"
/* This version can't take the spinlock, because it never returns */
static struct rtas_args rtas_stop_self_args = {
@@ -58,6 +59,7 @@ static void pseries_mach_cpu_die(void)
local_irq_disable();
idle_task_exit();
xics_teardown_cpu(0);
+ unregister_slb_shadow(hard_smp_processor_id(), __pa(get_slb_shadow()));
rtas_stop_self();
/* Should never get here... */
BUG();
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index 9a455d46379..34317aa148a 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -272,6 +272,7 @@ void vpa_init(int cpu)
*/
addr = __pa(&slb_shadow[cpu]);
if (firmware_has_feature(FW_FEATURE_SPLPAR)) {
+ slb_shadow_clear_all();
ret = register_slb_shadow(hwcpu, addr);
if (ret)
printk(KERN_ERR
diff --git a/include/asm-powerpc/mmu-hash64.h b/include/asm-powerpc/mmu-hash64.h
index 82328dec2b5..951e2487aa6 100644
--- a/include/asm-powerpc/mmu-hash64.h
+++ b/include/asm-powerpc/mmu-hash64.h
@@ -286,6 +286,7 @@ extern void hpte_init_iSeries(void);
extern void hpte_init_beat(void);
extern void hpte_init_beat_v3(void);
+extern void slb_shadow_clear_all(void);
extern void stabs_alloc(void);
extern void slb_initialize(void);
extern void slb_flush_and_rebolt(void);