diff mbox

[U-Boot,V2] arm: socfpga: Actually enable L2 cache

Message ID 1450580409-6387-1-git-send-email-marex@denx.de
State Accepted
Delegated to: Marek Vasut
Headers show

Commit Message

Marek Vasut Dec. 20, 2015, 3 a.m. UTC
The L2 cache was never enabled in the v7_outer_cache_enable(), fix
this and enable the L2 cache.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Dinh Nguyen <dinguyen@opensource.altera.com>
Cc: Chin Liang See <clsee@altera.com>
---
 arch/arm/mach-socfpga/misc.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

V2: Add v7_outer_cache_disable() as suggested by SR .

Comments

Chin Liang See Dec. 21, 2015, 9:54 a.m. UTC | #1
On Sun, 2015-12-20 at 04:00 +0100, Marek Vasut wrote:
> The L2 cache was never enabled in the v7_outer_cache_enable(), fix
> this and enable the L2 cache.
> 
> Signed-off-by: Marek Vasut <marex@denx.de>
> Cc: Dinh Nguyen <dinguyen@opensource.altera.com>
> Cc: Chin Liang See <clsee@altera.com>
> ---
>  arch/arm/mach-socfpga/misc.c | 13 +++++++++++--
>  1 file changed, 11 insertions(+), 2 deletions(-)
> 
> V2: Add v7_outer_cache_disable() as suggested by SR .
> 

Acked-by: Chin Liang See <clsee@altera.com>

Thanks
Chin Liang
Marek Vasut Dec. 21, 2015, 2:20 p.m. UTC | #2
On Monday, December 21, 2015 at 10:54:22 AM, Chin Liang See wrote:
> On Sun, 2015-12-20 at 04:00 +0100, Marek Vasut wrote:
> > The L2 cache was never enabled in the v7_outer_cache_enable(), fix
> > this and enable the L2 cache.
> > 
> > Signed-off-by: Marek Vasut <marex@denx.de>
> > Cc: Dinh Nguyen <dinguyen@opensource.altera.com>
> > Cc: Chin Liang See <clsee@altera.com>
> > ---
> > 
> >  arch/arm/mach-socfpga/misc.c | 13 +++++++++++--
> >  1 file changed, 11 insertions(+), 2 deletions(-)
> > 
> > V2: Add v7_outer_cache_disable() as suggested by SR .
> 
> Acked-by: Chin Liang See <clsee@altera.com>

Applied, thanks.

Best regards,
Marek Vasut
diff mbox

Patch

diff --git a/arch/arm/mach-socfpga/misc.c b/arch/arm/mach-socfpga/misc.c
index b110f5b..a54d2b9 100644
--- a/arch/arm/mach-socfpga/misc.c
+++ b/arch/arm/mach-socfpga/misc.c
@@ -54,14 +54,23 @@  void enable_caches(void)
 
 void v7_outer_cache_enable(void)
 {
-	/* disable the L2 cache */
-	writel(0, &pl310->pl310_ctrl);
+	/* Disable the L2 cache */
+	clrbits_le32(&pl310->pl310_ctrl, L2X0_CTRL_EN);
 
 	/* enable BRESP, instruction and data prefetch, full line of zeroes */
 	setbits_le32(&pl310->pl310_aux_ctrl,
 		     L310_AUX_CTRL_DATA_PREFETCH_MASK |
 		     L310_AUX_CTRL_INST_PREFETCH_MASK |
 		     L310_SHARED_ATT_OVERRIDE_ENABLE);
+
+	/* Enable the L2 cache */
+	setbits_le32(&pl310->pl310_ctrl, L2X0_CTRL_EN);
+}
+
+void v7_outer_cache_disable(void)
+{
+	/* Disable the L2 cache */
+	clrbits_le32(&pl310->pl310_ctrl, L2X0_CTRL_EN);
 }
 
 /*