From: Michael Neuling <mikey@neuling•org>
To: Benjamin Herrenschmidt <benh@kernel•crashing.org>
Cc: Michael Neuling <mikey@neuling•org>, linuxppc-dev@lists•ozlabs.org
Subject: [PATCH 2/4] powerpc: Add POWER8 setup code
Date: Wed, 31 Oct 2012 16:34:14 +1100 [thread overview]
Message-ID: <1351661656-6986-2-git-send-email-mikey@neuling.org> (raw)
In-Reply-To: <1351661656-6986-1-git-send-email-mikey@neuling.org>
Just a copy of POWER7 for now. Will update with new code later.
Signed-off-by: Michael Neuling <mikey@neuling•org>
---
arch/powerpc/kernel/cpu_setup_power.S | 24 ++++++++++++++++++++++++
arch/powerpc/kernel/cputable.c | 2 ++
2 files changed, 26 insertions(+)
diff --git a/arch/powerpc/kernel/cpu_setup_power.S b/arch/powerpc/kernel/cpu_setup_power.S
index 76797c5..a92101d 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 0514c21..361f6d9 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)
--
1.7.9.5
next prev parent reply other threads:[~2012-10-31 5:34 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-31 5:34 [PATCH 1/4] powerpc: make POWER7 setup code generic name Michael Neuling
2012-10-31 5:34 ` Michael Neuling [this message]
2012-10-31 5:34 ` [PATCH 3/4] powerpc: POWER8 cputable entry Michael Neuling
2012-10-31 5:34 ` [PATCH 4/4] powerpc/pseries: Update ibm, architecture.vec for PAPR 2.7/POWER8 Michael Neuling
2012-11-09 6:23 ` [PATCH] " Michael Neuling
2012-11-15 3:53 ` [PATCH] powerpc/pseries: Fix IBM_ARCH_VEC_NRCORES_OFFSET for POWER8 updates Michael Neuling
2012-11-09 6:26 ` [PATCH] powerpc: Add POWER8 architected mode to cputable Michael Neuling
2012-11-09 8:47 ` Gabriel Paubert
2012-11-09 9:56 ` Michael Neuling
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