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[v5,4/8] ARM: do CPU-specific init for Broadcom Brahma15 cores

Message ID 1390361452-3124-5-git-send-email-marc.ceeeee@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Marc C Jan. 22, 2014, 3:30 a.m. UTC 
Perform any CPU-specific initialization required on the
Broadcom Brahma-15 core.

Signed-off-by: Marc Carino <marc.ceeeee@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
---
 arch/arm/mm/proc-v7.S |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)

Comments

Mark Rutland Jan. 24, 2014, 10:54 a.m. UTC | #1 
On Wed, Jan 22, 2014 at 03:30:48AM +0000, Marc Carino wrote:
> Perform any CPU-specific initialization required on the
> Broadcom Brahma-15 core.
> 
> Signed-off-by: Marc Carino <marc.ceeeee@gmail.com>
> Acked-by: Florian Fainelli <f.fainelli@gmail.com>
> ---
>  arch/arm/mm/proc-v7.S |   11 +++++++++++
>  1 files changed, 11 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
> index bd17819..98ea423 100644
> --- a/arch/arm/mm/proc-v7.S
> +++ b/arch/arm/mm/proc-v7.S
> @@ -193,6 +193,7 @@ __v7_cr7mp_setup:
>  	b	1f
>  __v7_ca7mp_setup:
>  __v7_ca15mp_setup:
> +__v7_b15mp_setup:
>  	mov	r10, #0
>  1:
>  #ifdef CONFIG_SMP
> @@ -494,6 +495,16 @@ __v7_ca15mp_proc_info:
>  	.size	__v7_ca15mp_proc_info, . - __v7_ca15mp_proc_info
>  
>  	/*
> +	 * Broadcom Corporation Brahma-B15 processor.
> +	 */
> +	.type	__v7_b15mp_proc_info, #object
> +__v7_b15mp_proc_info:
> +	.long	0x420f00f0
> +	.long	0xff0ffff0
> +	__v7_proc __v7_b15mp_setup, hwcaps = HWCAP_IDIV

On the third posting, Will Deacon asked if the hwcap override was really
required [1]. Two postings later there's been no answer.

Is your CPUID_EXT_ISAR0 value wrong? If so, please add a comment to that
effect (as with __krait_proc_info).

Thanks,
Mark.

[1] http://lists.infradead.org/pipermail/linux-arm-kernel/2014-January/225895.html
diff mbox

Patch

diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index bd17819..98ea423 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -193,6 +193,7 @@  __v7_cr7mp_setup:
 	b	1f
 __v7_ca7mp_setup:
 __v7_ca15mp_setup:
+__v7_b15mp_setup:
 	mov	r10, #0
 1:
 #ifdef CONFIG_SMP
@@ -494,6 +495,16 @@  __v7_ca15mp_proc_info:
 	.size	__v7_ca15mp_proc_info, . - __v7_ca15mp_proc_info
 
 	/*
+	 * Broadcom Corporation Brahma-B15 processor.
+	 */
+	.type	__v7_b15mp_proc_info, #object
+__v7_b15mp_proc_info:
+	.long	0x420f00f0
+	.long	0xff0ffff0
+	__v7_proc __v7_b15mp_setup, hwcaps = HWCAP_IDIV
+	.size	__v7_b15mp_proc_info, . - __v7_b15mp_proc_info
+
+	/*
 	 * Qualcomm Inc. Krait processors.
 	 */
 	.type	__krait_proc_info, #object