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authorMichael Neuling <mikey@neuling.org>2012-10-30 19:34:14 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2012-11-15 13:00:42 +1100
commitaec937b1ee6d7b28499d50ea6df1b2fe9edee91b (patch)
treea52d68b41ef4a83ad205aa52e20d2847665acf2b /arch/powerpc/kernel
parentcd5daaf713cf8d728a2be2a3673293fff9465d9a (diff)
downloadlinaro-lsk-aec937b1ee6d7b28499d50ea6df1b2fe9edee91b.tar.gz
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>
Diffstat (limited to 'arch/powerpc/kernel')
-rw-r--r--arch/powerpc/kernel/cpu_setup_power.S24
-rw-r--r--arch/powerpc/kernel/cputable.c2
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 76797c5105d..a92101d14b4 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 0514c21f138..361f6d91ab1 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)