powerpc: Add POWER8 setup code

Just a copy of POWER7 for now.  Will update with new code later.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

2 files changed, 26 insertions, 0 deletions

diff --git a/arch/powerpc/kernel/cpu_setup_power.S b/arch/powerpc/kernel/cpu_setup_power.S
index 76797c5105d6..a92101d14b4e 100644
--- a/arch/powerpc/kernel/cpu_setup_power.S
+++ b/arch/powerpc/kernel/cpu_setup_power.S
@@ -44,6 +44,30 @@ _GLOBAL(__restore_cpu_power7)
         mtlr    r11
         blr
 
+_GLOBAL(__setup_cpu_power8)
+        mflr    r11
+        bl      __init_hvmode_206
+        mtlr    r11
+        beqlr
+        li      r0,0
+        mtspr   SPRN_LPID,r0
+        bl      __init_LPCR
+        bl      __init_TLB
+        mtlr    r11
+        blr
+
+_GLOBAL(__restore_cpu_power8)
+        mflr    r11
+        mfmsr   r3
+        rldicl. r0,r3,4,63
+        beqlr
+        li      r0,0
+        mtspr   SPRN_LPID,r0
+        bl      __init_LPCR
+        bl      __init_TLB
+        mtlr    r11
+        blr
+
 __init_hvmode_206:
         /* Disable CPU_FTR_HVMODE and exit if MSR:HV is not set */
         mfmsr   r3
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 0514c21f138b..361f6d91ab1b 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -68,6 +68,8 @@ extern void __restore_cpu_pa6t(void);
 extern void __restore_cpu_ppc970(void);
 extern void __setup_cpu_power7(unsigned long offset, struct cpu_spec* spec);
 extern void __restore_cpu_power7(void);
+extern void __setup_cpu_power8(unsigned long offset, struct cpu_spec* spec);
+extern void __restore_cpu_power8(void);
 extern void __restore_cpu_a2(void);
 #endif /* CONFIG_PPC64 */
 #if defined(CONFIG_E500)