This patch adds CMA support for MFC v5.1. It includes CMA region
definition and reserve callback addition.
Reviewed-by: Peter Oh <jaeryul.oh@xxxxxxxxxxx>
Signed-off-by: Jeongtae Park <jtp.park@xxxxxxxxxxx>
---
arch/arm/mach-s5pv310/mach-smdkv310.c | 35 +++++++++++++++++++++++++++++++++
1 files changed, 35 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-s5pv310/mach-smdkv310.c b/arch/arm/mach-s5pv310/mach-smdkv310.c
index e29df7f..bdc19ba 100644
--- a/arch/arm/mach-s5pv310/mach-smdkv310.c
+++ b/arch/arm/mach-s5pv310/mach-smdkv310.c
@@ -18,6 +18,9 @@
#include <linux/smsc911x.h>
#include <linux/io.h>
#include <linux/lcd.h>
+#ifdef CONFIG_CMA
+#include <linux/cma.h>
+#endif
#include <asm/mach/arch.h>
#include <asm/mach-types.h>
@@ -296,6 +299,35 @@ static void __init smdkv310_smsc911x_init(void)
(0x1 << S5PV310_SROM_BCX__TACS__SHIFT), S5PV310_SROM_BC1);
}
+static void __init smdkv310_reserve_cma(void)
+{
+ static struct cma_region regions[] = {
+ {
+ .name = "fw",
+ .size = 1 << 20,
+ { .alignment = 128 << 10 },
+ .start = 0x42000000,
+ },
+ {
+ .name = "b1",
+ .size = 32 << 20,
+ .start = 0x43000000,
+ },
+ {
+ .name = "b2",
+ .size = 16 << 20,
+ .start = 0x51000000,
+ },
+ {}
+ };
+
+ 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 smdkv310_map_io(void)
{
s5p_init_io(NULL, 0, S5P_VA_CHIPID);
@@ -326,4 +358,7 @@ MACHINE_START(SMDKV310, "SMDKV310")
.map_io = smdkv310_map_io,
.init_machine = smdkv310_machine_init,
.timer = &s5pv310_timer,
+#ifdef CONFIG_CMA
+ .reserve = &smdkv310_reserve_cma,
+#endif
MACHINE_END
--
1.6.2.5
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