Patchwork powerpc: Add POWER8 architected mode to cputable

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Submitter Michael Neuling
Date Nov. 9, 2012, 6:26 a.m.
Message ID <30282.1352442402@neuling.org>
Download mbox | patch
Permalink /patch/197945/
State Accepted, archived
Commit c674e703cb1028e468527163074810b4a17bf379
Delegated to: Benjamin Herrenschmidt
Headers show

Comments

Michael Neuling - Nov. 9, 2012, 6:26 a.m.
A PVR of 0x0F000004 means we are arch v2.07 complicate ie, POWER8.
    
Signed-off-by: Michael Neuling <mikey@neuling.org>
Gabriel Paubert - Nov. 9, 2012, 8:47 a.m.
On Fri, Nov 09, 2012 at 05:26:42PM +1100, Michael Neuling wrote:
> A PVR of 0x0F000004 means we are arch v2.07 complicate ie, POWER8.

Huh? 

s/complicate/compliant/ ?

Also ie has to be written with dots (i.e.).

	Gabriel

>     
> Signed-off-by: Michael Neuling <mikey@neuling.org>
> 
> diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
> index 216ff84..75a3d71 100644
> --- a/arch/powerpc/kernel/cputable.c
> +++ b/arch/powerpc/kernel/cputable.c
> @@ -435,6 +435,21 @@ static struct cpu_spec __initdata cpu_specs[] = {
>  		.cpu_restore		= __restore_cpu_power7,
>  		.platform		= "power7",
>  	},
> +	{	/* 2.07-compliant processor, i.e. Power8 "architected" mode */
> +		.pvr_mask		= 0xffffffff,
> +		.pvr_value		= 0x0f000004,
> +		.cpu_name		= "POWER8 (architected)",
> +		.cpu_features		= CPU_FTRS_POWER8,
> +		.cpu_user_features	= COMMON_USER_POWER8,
> +		.mmu_features		= MMU_FTRS_POWER8,
> +		.icache_bsize		= 128,
> +		.dcache_bsize		= 128,
> +		.oprofile_type		= PPC_OPROFILE_POWER4,
> +		.oprofile_cpu_type	= "ppc64/ibm-compat-v1",
> +		.cpu_setup		= __setup_cpu_power8,
> +		.cpu_restore		= __restore_cpu_power8,
> +		.platform		= "power8",
> +	},
>  	{	/* Power7 */
>  		.pvr_mask		= 0xffff0000,
>  		.pvr_value		= 0x003f0000,
> _______________________________________________
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> Linuxppc-dev@lists.ozlabs.org
> https://lists.ozlabs.org/listinfo/linuxppc-dev
Michael Neuling - Nov. 9, 2012, 9:56 a.m.
> On Fri, Nov 09, 2012 at 05:26:42PM +1100, Michael Neuling wrote:
> > A PVR of 0x0F000004 means we are arch v2.07 complicate ie, POWER8.
> 
> Huh? 
> 
> s/complicate/compliant/ ?

Yes, compliant.  Thanks

> Also ie has to be written with dots (i.e.).

Thanks.

Mikey

Patch

diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 216ff84..75a3d71 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -435,6 +435,21 @@  static struct cpu_spec __initdata cpu_specs[] = {
 		.cpu_restore		= __restore_cpu_power7,
 		.platform		= "power7",
 	},
+	{	/* 2.07-compliant processor, i.e. Power8 "architected" mode */
+		.pvr_mask		= 0xffffffff,
+		.pvr_value		= 0x0f000004,
+		.cpu_name		= "POWER8 (architected)",
+		.cpu_features		= CPU_FTRS_POWER8,
+		.cpu_user_features	= COMMON_USER_POWER8,
+		.mmu_features		= MMU_FTRS_POWER8,
+		.icache_bsize		= 128,
+		.dcache_bsize		= 128,
+		.oprofile_type		= PPC_OPROFILE_POWER4,
+		.oprofile_cpu_type	= "ppc64/ibm-compat-v1",
+		.cpu_setup		= __setup_cpu_power8,
+		.cpu_restore		= __restore_cpu_power8,
+		.platform		= "power8",
+	},
 	{	/* Power7 */
 		.pvr_mask		= 0xffff0000,
 		.pvr_value		= 0x003f0000,