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>

diff --git a/arch/powerpc/kernel/cpu_setup_power.S b/arch/powerpc/kernel/cpu_setup_power.S
index 76797c5..a92101d 100644 (file)
--- 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 0514c21..361f6d9 100644 (file)
--- 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)