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From: Sekhar Nori <nsekhar@ti.com>
To: Tony Lindgren <tony@atomide.com>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>,
	Linux OMAP Mailing List <linux-omap@vger.kernel.org>,
	Linux ARM Mailing List <linux-arm-kernel@lists.infradead.org>,
	Sekhar Nori <nsekhar@ti.com>
Subject: [PATCH v2 3/3] ARM: OMAP2+: AM43x: L2 cache support
Date: Fri, 4 Apr 2014 15:40:29 +0530	[thread overview]
Message-ID: <efa5fda5ae625a43fac14bf173cbd96ad7b44e7a.1396605300.git.nsekhar@ti.com> (raw)
In-Reply-To: <cover.1396605300.git.nsekhar@ti.com>

Add support for L2 cache controller (PL310) on
AM437x SoC.

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
---
 arch/arm/mach-omap2/Kconfig        |    1 +
 arch/arm/mach-omap2/common.h       |    1 +
 arch/arm/mach-omap2/io.c           |    1 +
 arch/arm/mach-omap2/omap4-common.c |    8 ++++++++
 4 files changed, 11 insertions(+)

diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 1124155..1fd34d2 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -65,6 +65,7 @@ config SOC_AM43XX
 	select ARCH_HAS_OPP
 	select ARM_GIC
 	select MACH_OMAP_GENERIC
+	select MIGHT_HAVE_CACHE_L2X0
 
 config SOC_DRA7XX
 	bool "TI DRA7XX"
diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h
index c64d5f5..fc59b49 100644
--- a/arch/arm/mach-omap2/common.h
+++ b/arch/arm/mach-omap2/common.h
@@ -93,6 +93,7 @@ extern void omap3_gptimer_timer_init(void);
 extern void omap4_local_timer_init(void);
 int omap4_l2_cache_init(void);
 extern void omap5_realtime_timer_init(void);
+int am43xx_l2_cache_init(void);
 
 void omap2420_init_early(void);
 void omap2430_init_early(void);
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 81bc89c..131c207 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -609,6 +609,7 @@ void __init am43xx_init_early(void)
 	am43xx_clockdomains_init();
 	am43xx_hwmod_init();
 	omap_hwmod_init_postsetup();
+	am43xx_l2_cache_init();
 	omap_clk_soc_init = am43xx_dt_clk_init;
 }
 
diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c
index f8b8dac..6b2a056 100644
--- a/arch/arm/mach-omap2/omap4-common.c
+++ b/arch/arm/mach-omap2/omap4-common.c
@@ -224,6 +224,14 @@ int __init omap4_l2_cache_init(void)
 
 	return omap_l2_cache_init(aux_ctrl, 0xc19fffff);
 }
+
+int __init am43xx_l2_cache_init(void)
+{
+	u32 aux_ctrl = L310_AUX_CTRL_DATA_PREFETCH |
+		       L310_AUX_CTRL_INSTR_PREFETCH;
+
+	return omap_l2_cache_init(aux_ctrl, 0xcfffffff);
+}
 #endif
 
 void __iomem *omap4_get_sar_ram_base(void)
-- 
1.7.10.1


WARNING: multiple messages have this Message-ID (diff)
From: nsekhar@ti.com (Sekhar Nori)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 3/3] ARM: OMAP2+: AM43x: L2 cache support
Date: Fri, 4 Apr 2014 15:40:29 +0530	[thread overview]
Message-ID: <efa5fda5ae625a43fac14bf173cbd96ad7b44e7a.1396605300.git.nsekhar@ti.com> (raw)
In-Reply-To: <cover.1396605300.git.nsekhar@ti.com>

Add support for L2 cache controller (PL310) on
AM437x SoC.

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
---
 arch/arm/mach-omap2/Kconfig        |    1 +
 arch/arm/mach-omap2/common.h       |    1 +
 arch/arm/mach-omap2/io.c           |    1 +
 arch/arm/mach-omap2/omap4-common.c |    8 ++++++++
 4 files changed, 11 insertions(+)

diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 1124155..1fd34d2 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -65,6 +65,7 @@ config SOC_AM43XX
 	select ARCH_HAS_OPP
 	select ARM_GIC
 	select MACH_OMAP_GENERIC
+	select MIGHT_HAVE_CACHE_L2X0
 
 config SOC_DRA7XX
 	bool "TI DRA7XX"
diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h
index c64d5f5..fc59b49 100644
--- a/arch/arm/mach-omap2/common.h
+++ b/arch/arm/mach-omap2/common.h
@@ -93,6 +93,7 @@ extern void omap3_gptimer_timer_init(void);
 extern void omap4_local_timer_init(void);
 int omap4_l2_cache_init(void);
 extern void omap5_realtime_timer_init(void);
+int am43xx_l2_cache_init(void);
 
 void omap2420_init_early(void);
 void omap2430_init_early(void);
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 81bc89c..131c207 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -609,6 +609,7 @@ void __init am43xx_init_early(void)
 	am43xx_clockdomains_init();
 	am43xx_hwmod_init();
 	omap_hwmod_init_postsetup();
+	am43xx_l2_cache_init();
 	omap_clk_soc_init = am43xx_dt_clk_init;
 }
 
diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c
index f8b8dac..6b2a056 100644
--- a/arch/arm/mach-omap2/omap4-common.c
+++ b/arch/arm/mach-omap2/omap4-common.c
@@ -224,6 +224,14 @@ int __init omap4_l2_cache_init(void)
 
 	return omap_l2_cache_init(aux_ctrl, 0xc19fffff);
 }
+
+int __init am43xx_l2_cache_init(void)
+{
+	u32 aux_ctrl = L310_AUX_CTRL_DATA_PREFETCH |
+		       L310_AUX_CTRL_INSTR_PREFETCH;
+
+	return omap_l2_cache_init(aux_ctrl, 0xcfffffff);
+}
 #endif
 
 void __iomem *omap4_get_sar_ram_base(void)
-- 
1.7.10.1

  parent reply	other threads:[~2014-04-04 10:11 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-04 10:10 [PATCH v2 0/3] ARM: OMAP2+: AM437x: L2 cache support Sekhar Nori
2014-04-04 10:10 ` Sekhar Nori
2014-04-04 10:10 ` [PATCH v2 1/3] ARM: OMAP2+: L2 cache: allow different aux ctrl settings Sekhar Nori
2014-04-04 10:10   ` Sekhar Nori
2014-04-04 10:10 ` [PATCH v2 2/3] ARM: OMAP2+: L2 cache: get rid of init call Sekhar Nori
2014-04-04 10:10   ` Sekhar Nori
2014-04-04 10:10 ` Sekhar Nori [this message]
2014-04-04 10:10   ` [PATCH v2 3/3] ARM: OMAP2+: AM43x: L2 cache support Sekhar Nori
2014-04-04 10:18   ` Russell King - ARM Linux
2014-04-04 10:18     ` Russell King - ARM Linux
2014-04-08 14:53     ` Sekhar Nori
2014-04-08 14:53       ` Sekhar Nori
2014-04-08 15:17       ` Santosh Shilimkar
2014-04-08 15:17         ` Santosh Shilimkar
2014-04-09  9:44         ` Sekhar Nori
2014-04-09  9:44           ` Sekhar Nori
2014-04-09 16:33         ` Russell King - ARM Linux
2014-04-09 16:33           ` Russell King - ARM Linux
2014-04-09 16:52           ` Santosh Shilimkar
2014-04-09 16:52             ` Santosh Shilimkar
2014-04-10 12:08             ` Sekhar Nori
2014-04-10 12:08               ` Sekhar Nori
2014-04-09 16:23       ` Russell King - ARM Linux
2014-04-09 16:23         ` Russell King - ARM Linux
2014-04-10 11:56         ` Sekhar Nori
2014-04-10 11:56           ` Sekhar Nori
2014-04-10 12:03           ` Russell King - ARM Linux
2014-04-10 12:03             ` Russell King - ARM Linux
2014-04-10 12:16             ` Sekhar Nori
2014-04-10 12:16               ` Sekhar Nori
2014-04-10 13:27               ` Sekhar Nori
2014-04-10 13:27                 ` Sekhar Nori
2014-04-10 13:40                 ` Russell King - ARM Linux
2014-04-10 13:40                   ` Russell King - ARM Linux
2014-04-11  5:33                   ` Sekhar Nori
2014-04-11  5:33                     ` Sekhar Nori
2014-04-11 11:25                     ` Russell King - ARM Linux
2014-04-11 11:25                       ` Russell King - ARM Linux
2014-04-11 12:01                       ` Sekhar Nori
2014-04-11 12:01                         ` Sekhar Nori
2014-04-22  5:48                       ` Sekhar Nori
2014-04-22  5:48                         ` Sekhar Nori

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