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mx25: Enable dcache

PATCH New Benoît Thébaudeau 2 participants 3 messages Aug 14, 2012 – Aug 20, 2012 Arm (32-bit)

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Benoît Thébaudeau

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#0 lore raw

PATCH 1/1 mx25: Enable dcache

Now that the main i.MX features work fine with dcache enabled, enabled it by default if CONFIG_SYS_DCACHE_OFF is not defined.

Signed-off-by Beno?t Th?baudeau <[email protected]>
Cc Stefano Babic <[email protected]>
---
 .../arch/arm/cpu/arm926ejs/mx25/generic.c          |    8 ++++++++
 1 file changed, 8 insertions(+)
arch/arm/cpu/arm926ejs/mx25/generic.c +8 -0
index 8b07dae..a412a8f 100644
@@ -186,6 +186,14 @@ int print_cpuinfo(void)
 }
 #endif
 
+void enable_caches(void)
+{
+#ifndef CONFIG_SYS_DCACHE_OFF
+	/* Enable D-cache. I-cache is already enabled in start.S */
+	dcache_enable();
+#endif
+}
+
 int cpu_eth_init(bd_t *bis)
 {
 #if defined(CONFIG_FEC_MXC)
#1 lore raw

PATCH 1/1 mx25: Enable dcache

Quoted 19 lines · Beno?t Th?baudeau

Now that the main i.MX features work fine with dcache enabled, enabled it by default if CONFIG_SYS_DCACHE_OFF is not defined.

Signed-off-by Beno?t Th?baudeau <[email protected]>
Cc Stefano Babic <[email protected]>
---
 .../arch/arm/cpu/arm926ejs/mx25/generic.c          |    8 ++++++++
 1 file changed, 8 insertions(+)
arch/arm/cpu/arm926ejs/mx25/generic.c +1 -0
index 8b07dae..a412a8f 100644
@@ -186,6 +186,14 @@ int print_cpuinfo(void)
 }
 #endif
 
+void enable_caches(void)

arch/arm/cpu/arm926ejs/mx25/generic.c int print_cpuinfo(void) · line 199

Quoted 10 lines
arch/arm/cpu/arm926ejs/mx25/generic.c +7 -0
+{
+#ifndef CONFIG_SYS_DCACHE_OFF
+	/* Enable D-cache. I-cache is already enabled in start.S */
+	dcache_enable();
+#endif
+}
+
 int cpu_eth_init(bd_t *bis)
 {
 #if defined(CONFIG_FEC_MXC)
Acked-by Stefano Babic <[email protected]>

Best regards,
Stefano Babic

Signature · 5 lines
=====================================================================
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic at denx.de
=====================================================================
#2 lore raw

PATCH 1/1 mx25: Enable dcache

In reply to Benoît Thébaudeau
Quoted 19 lines · Beno?t Th?baudeau

Now that the main i.MX features work fine with dcache enabled, enabled it by default if CONFIG_SYS_DCACHE_OFF is not defined.

Signed-off-by Beno?t Th?baudeau <[email protected]>
Cc Stefano Babic <[email protected]>
---
 .../arch/arm/cpu/arm926ejs/mx25/generic.c          |    8 ++++++++
 1 file changed, 8 insertions(+)
arch/arm/cpu/arm926ejs/mx25/generic.c +1 -0
index 8b07dae..a412a8f 100644
@@ -186,6 +186,14 @@ int print_cpuinfo(void)
 }
 #endif
 
+void enable_caches(void)

arch/arm/cpu/arm926ejs/mx25/generic.c int print_cpuinfo(void) · line 199

Quoted 10 lines
arch/arm/cpu/arm926ejs/mx25/generic.c +7 -0
+{
+#ifndef CONFIG_SYS_DCACHE_OFF
+	/* Enable D-cache. I-cache is already enabled in start.S */
+	dcache_enable();
+#endif
+}
+
 int cpu_eth_init(bd_t *bis)
 {
 #if defined(CONFIG_FEC_MXC)

Applied to u-boot-imx, thanks.

Best regards,
Stefano Babic

Signature · 5 lines
=====================================================================
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic at denx.de
=====================================================================