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From: Michal Nazarewicz on 6 Aug 2010 09:30
Added the CMA initialisation code to two Samsung platforms.

Signed-off-by: Michal Nazarewicz <m.nazarewicz(a)samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park(a)samsung.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 0992618..e99fe4c 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 +455,35 @@ static void __init aquila_map_io(void)
s3c24xx_init_uarts(aquila_uartcfgs, ARRAY_SIZE(aquila_uartcfgs));
}

+static void __init aquila_reserve(void)
+{
+ static struct cma_region regions[] = {
+ {
+ .name = "fw",
+ .size = 1 << 20,
+ { .alignment = 128 << 10 },
+ },
+ {
+ .name = "b1",
+ .size = 32 << 20,
+ .asterisk = 1,
+ },
+ {
+ .name = "b2",
+ .size = 16 << 20,
+ .start = 0x40000000,
+ .asterisk = 1,
+ },
+ { }
+ };
+
+ static const char map[] __initconst =
+ "s3c-mfc5/f=fw;s3c-mfc5/a=b1;s3c-mfc5/b=b2";
+
+ cma_set_defaults(regions, map);
+ cma_early_regions_reserve(NULL);
+}
+
static void __init aquila_machine_init(void)
{
/* PMIC */
@@ -478,4 +508,5 @@ 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..42549e9 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 +436,35 @@ static void __init goni_map_io(void)
s3c24xx_init_uarts(goni_uartcfgs, ARRAY_SIZE(goni_uartcfgs));
}

+static void __init goni_reserve(void)
+{
+ static struct cma_region regions[] = {
+ {
+ .name = "fw",
+ .size = 1 << 20,
+ { .alignment = 128 << 10 },
+ },
+ {
+ .name = "b1",
+ .size = 32 << 20,
+ .asterisk = 1,
+ },
+ {
+ .name = "b2",
+ .size = 16 << 20,
+ .start = 0x40000000,
+ .asterisk = 1,
+ },
+ { }
+ };
+
+ static const char map[] __initconst =
+ "s3c-mfc5/f=fw;s3c-mfc5/a=b1;s3c-mfc5/b=b2";
+
+ cma_set_defaults(regions, map);
+ cma_early_regions_reserve(NULL);
+}
+
static void __init goni_machine_init(void)
{
/* PMIC */
@@ -456,4 +486,5 @@ 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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Next: [PATCH/RFCv3 5/6] mm: cma: Test device and application added