linux-kernel - [PATCH 12/12] ARM: S5PC110: Added CMA regions to Aquila and Goni boards

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Date:	Thu, 31 Mar 2011 15:16:08 +0200
From:	Marek Szyprowski <m.szyprowski@...sung.com>
To:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, linux-media@...r.kernel.org,
	linux-mm@...ck.org
Cc:	Michal Nazarewicz <mina86@...a86.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Ankita Garg <ankita@...ibm.com>,
	Daniel Walker <dwalker@...eaurora.org>,
	Johan MOSSBERG <johan.xx.mossberg@...ricsson.com>,
	Mel Gorman <mel@....ul.ie>, Pawel Osciak <pawel@...iak.com>
Subject: [PATCH 12/12] ARM: S5PC110: Added CMA regions to Aquila and Goni	boards

This commit adds CMA memory regions to Aquila and Goni boards.

Signed-off-by: Marek Szyprowski <m.szyprowski@...sung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@...sung.com>
---
 arch/arm/mach-s5pv210/mach-aquila.c |   31 +++++++++++++++++++++++++++++++
 arch/arm/mach-s5pv210/mach-goni.c   |   31 +++++++++++++++++++++++++++++++
 2 files changed, 62 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-s5pv210/mach-aquila.c b/arch/arm/mach-s5pv210/mach-aquila.c
index 4e1d8ff..de3c41f 100644
--- a/arch/arm/mach-s5pv210/mach-aquila.c
+++ b/arch/arm/mach-s5pv210/mach-aquila.c
@@ -21,6 +21,7 @@
 #include <linux/gpio_keys.h>
 #include <linux/input.h>
 #include <linux/gpio.h>
+#include <linux/cma.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
@@ -642,6 +643,35 @@ static void __init aquila_sound_init(void)
 	__raw_writel(__raw_readl(S5P_OTHERS) | (0x3 << 8), S5P_OTHERS);
 }
 
+static void __init aquila_reserve(void)
+{
+	static struct cma_region regions[] = {
+		{
+			.name		= "fw",
+			.size		=  16 << 20,
+			.alignment	= 128 << 10,
+			.start		= 0x32000000,
+		},
+		{
+			.name		= "b1",
+			.size		=  32 << 20,
+			.start		= 0x33000000,
+		},
+		{
+			.name		= "b2",
+			.size		=  32 << 20,
+			.start		= 0x44000000,
+		},
+		{ }
+	};
+
+	static const char map[] __initconst =
+		"s5p-mfc/f=fw;s5p-mfc/a=b1;s5p-mfc/b=b2;*=b1,b2";
+
+	cma_set_defaults(regions, map);
+	cma_early_regions_reserve(NULL);
+}
+
 static void __init aquila_map_io(void)
 {
 	s5p_init_io(NULL, 0, S5P_VA_CHIPID);
@@ -683,4 +713,5 @@ MACHINE_START(AQUILA, "Aquila")
 	.map_io		= aquila_map_io,
 	.init_machine	= aquila_machine_init,
 	.timer		= &s5p_timer,
+	.reserve	= aquila_reserve,
 MACHINE_END
diff --git a/arch/arm/mach-s5pv210/mach-goni.c b/arch/arm/mach-s5pv210/mach-goni.c
index 31d5aa7..24f3f5c 100644
--- a/arch/arm/mach-s5pv210/mach-goni.c
+++ b/arch/arm/mach-s5pv210/mach-goni.c
@@ -26,6 +26,7 @@
 #include <linux/input.h>
 #include <linux/gpio.h>
 #include <linux/interrupt.h>
+#include <linux/cma.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
@@ -833,6 +834,35 @@ static void __init goni_sound_init(void)
 	__raw_writel(__raw_readl(S5P_OTHERS) | (0x3 << 8), S5P_OTHERS);
 }
 
+static void __init goni_reserve(void)
+{
+	static struct cma_region regions[] = {
+		{
+			.name		= "fw",
+			.size		=  16 << 20,
+			.alignment	= 128 << 10,
+			.start		= 0x31000000,
+		},
+		{
+			.name		= "b1",
+			.size		=  32 << 20,
+			.start		= 0x33000000,
+		},
+		{
+			.name		= "b2",
+			.size		=  32 << 20,
+			.start		= 0x44000000,
+		},
+		{ }
+	};
+
+	static const char map[] __initconst =
+		"s5p-mfc/f=fw;s5p-mfc/a=b1;s5p-mfc/b=b2;*=b1,b2";
+
+	cma_set_defaults(regions, map);
+	cma_early_regions_reserve(NULL);
+}
+
 static void __init goni_map_io(void)
 {
 	s5p_init_io(NULL, 0, S5P_VA_CHIPID);
@@ -893,4 +923,5 @@ MACHINE_START(GONI, "GONI")
 	.map_io		= goni_map_io,
 	.init_machine	= goni_machine_init,
 	.timer		= &s5p_timer,
+	.reserve	= goni_reserve,
 MACHINE_END
-- 
1.7.1.569.g6f426
--
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