diff mbox

[U-Boot,3/3] nios2: add flush_dcache_range function

Message ID 1320410288-15008-4-git-send-email-stefan.kristiansson@saunalahti.fi
State Accepted
Commit 8875833a86e567c0ca4258353116294089d24625
Delegated to: Thomas Chou
Headers show

Commit Message

Stefan Kristiansson Nov. 4, 2011, 12:38 p.m. UTC 
exposes functionality to flush dcache according to
the common.h API

Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
Cc: Thomas Chou <thomas@wytron.com.tw>
---
 arch/nios2/lib/cache.S |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)

Comments

Thomas Chou Nov. 10, 2011, 9:10 a.m. UTC | #1 
On 11/04/2011 08:38 PM, Stefan Kristiansson wrote:
> exposes functionality to flush dcache according to
> the common.h API
>
> Signed-off-by: Stefan Kristiansson<stefan.kristiansson@saunalahti.fi>
> Cc: Thomas Chou<thomas@wytron.com.tw>
> ---
>   arch/nios2/lib/cache.S |   10 ++++++++++
>   1 files changed, 10 insertions(+), 0 deletions(-)
>

Hi Stefan,

Applied to nios next branch. Thanks.

Best regards,
Thomas


> diff --git a/arch/nios2/lib/cache.S b/arch/nios2/lib/cache.S
> index ee3b4b7..b952d0c 100644
> --- a/arch/nios2/lib/cache.S
> +++ b/arch/nios2/lib/cache.S
> @@ -48,6 +48,16 @@ flush_icache:
>   	bltu	r4, r5, 1b
>   	ret
>
> +	.global flush_dcache_range
> +
> +flush_dcache_range:
> +	movhi	r8, %hi(CONFIG_SYS_DCACHELINE_SIZE)
> +	ori	r8, r8, %lo(CONFIG_SYS_DCACHELINE_SIZE)
> +0:	flushd	0(r4)
> +	add	r4, r4, r8
> +	bltu	r4, r5, 0b
> +	ret
> +
>   	.global flush_cache
>
>   flush_cache:
diff mbox

Patch

diff --git a/arch/nios2/lib/cache.S b/arch/nios2/lib/cache.S
index ee3b4b7..b952d0c 100644
--- a/arch/nios2/lib/cache.S
+++ b/arch/nios2/lib/cache.S
@@ -48,6 +48,16 @@  flush_icache:
 	bltu	r4, r5, 1b
 	ret
 
+	.global flush_dcache_range
+
+flush_dcache_range:
+	movhi	r8, %hi(CONFIG_SYS_DCACHELINE_SIZE)
+	ori	r8, r8, %lo(CONFIG_SYS_DCACHELINE_SIZE)
+0:	flushd	0(r4)
+	add	r4, r4, r8
+	bltu	r4, r5, 0b
+	ret
+
 	.global flush_cache
 
 flush_cache: