linux-kernel - [PATCHv2 4/4] arm: Added CMA to Aquila and Goni

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Date:	Mon, 26 Jul 2010 16:40:32 +0200
From:	Michal Nazarewicz <m.nazarewicz@...sung.com>
To:	linux-mm@...ck.org
Cc:	linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Hiremath Vaibhav <hvaibhav@...com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Pawel Osciak <p.osciak@...sung.com>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Daniel Walker <dwalker@...eaurora.org>,
	Jonathan Corbet <corbet@....net>,
	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>,
	Zach Pfeffer <zpfeffer@...eaurora.org>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Michal Nazarewicz <m.nazarewicz@...sung.com>
Subject: [PATCHv2 4/4] arm: Added CMA to Aquila and Goni

Added the CMA initialisation code to two Samsung platforms.

Signed-off-by: Michal Nazarewicz <m.nazarewicz@...sung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@...sung.com>
---
 arch/arm/mach-s5pv210/mach-aquila.c |   13 +++++++++++++
 arch/arm/mach-s5pv210/mach-goni.c   |   13 +++++++++++++
 2 files changed, 26 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-s5pv210/mach-aquila.c b/arch/arm/mach-s5pv210/mach-aquila.c
index 0992618..ab156f9 100644
--- a/arch/arm/mach-s5pv210/mach-aquila.c
+++ b/arch/arm/mach-s5pv210/mach-aquila.c
@@ -19,6 +19,7 @@
 #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>
@@ -454,6 +455,17 @@ static void __init aquila_map_io(void)
 	s3c24xx_init_uarts(aquila_uartcfgs, ARRAY_SIZE(aquila_uartcfgs));
 }
 
+static void __init aquila_reserve(void)
+{
+	static char regions[] __initdata =
+		"-mfc_fw=1M/128K;mfc_b1=32M;mfc_b2=16M@...0000000";
+	static char map[] __initdata =
+		"s3c-mfc5/f=mfc_fw;s3c-mfc5/a=mfc_b1;s3c-mfc5/b=mfc_b2";
+
+	cma_set_defaults(regions, map, NULL);
+	cma_early_regions_reserve(NULL);
+}
+
 static void __init aquila_machine_init(void)
 {
 	/* PMIC */
@@ -478,4 +490,5 @@ MACHINE_START(AQUILA, "Aquila")
 	.map_io		= aquila_map_io,
 	.init_machine	= aquila_machine_init,
 	.timer		= &s3c24xx_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 7b18505..2b0a349 100644
--- a/arch/arm/mach-s5pv210/mach-goni.c
+++ b/arch/arm/mach-s5pv210/mach-goni.c
@@ -19,6 +19,7 @@
 #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>
@@ -435,6 +436,17 @@ static void __init goni_map_io(void)
 	s3c24xx_init_uarts(goni_uartcfgs, ARRAY_SIZE(goni_uartcfgs));
 }
 
+static void __init goni_reserve(void)
+{
+	static char regions[] __initdata =
+		"-mfc_fw=1M/128K;mfc_b1=32M;mfc_b2=16M@...0000000";
+	static char map[] __initdata =
+		"s3c-mfc5/f=mfc_fw;s3c-mfc5/a=mfc_b1;s3c-mfc5/b=mfc_b2";
+
+	cma_set_defaults(regions, map, NULL);
+	cma_early_regions_reserve(NULL);
+}
+
 static void __init goni_machine_init(void)
 {
 	/* PMIC */
@@ -456,4 +468,5 @@ MACHINE_START(GONI, "GONI")
 	.map_io		= goni_map_io,
 	.init_machine	= goni_machine_init,
 	.timer		= &s3c24xx_timer,
+	.reserve	= goni_reserve,
 MACHINE_END
-- 
1.7.1

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