ARM: EXYNOS: Add platform support for G3D

Added Power Domain functions for G3D(Mali) Exynos 4210

Signed-off-by: Sangwook Lee <sangwook.lee@linaro.org>
Signed-off-by: Tushar Behera <tushar.behera@linaro.org>

5 files changed, 33 insertions, 0 deletions

diff --git a/arch/arm/mach-exynos/include/mach-exynos/map.h b/arch/arm/mach-exynos/include/mach-exynos/map.h
index 8bd40dd50ab..a79aade9070 100644
--- a/arch/arm/mach-exynos/include/mach-exynos/map.h
+++ b/arch/arm/mach-exynos/include/mach-exynos/map.h
@@ -39,6 +39,8 @@
 
 #define EXYNOS4_PA_G2D			0x12800000
 
+#define EXYNOS4_PA_G3D			0x13000000
+
 #define EXYNOS4_PA_I2S0			0x03830000
 #define EXYNOS4_PA_I2S1			0xE3100000
 #define EXYNOS4_PA_I2S2			0xE2A00000
@@ -246,6 +248,7 @@
 #define S5P_PA_FIMC3			EXYNOS4_PA_FIMC3
 #define S5P_PA_JPEG			EXYNOS4_PA_JPEG
 #define S5P_PA_G2D			EXYNOS4_PA_G2D
+#define S5P_PA_G3D			EXYNOS4_PA_G3D
 #define S5P_PA_FIMD0			EXYNOS4_PA_FIMD0
 #define S5P_PA_HDMI			EXYNOS4_PA_HDMI
 #define S5P_PA_IIC_HDMIPHY		EXYNOS4_PA_IIC_HDMIPHY
diff --git a/arch/arm/mach-exynos/pm_domains.c b/arch/arm/mach-exynos/pm_domains.c
index 08a42f2e033..cfae825e933 100644
--- a/arch/arm/mach-exynos/pm_domains.c
+++ b/arch/arm/mach-exynos/pm_domains.c
@@ -191,6 +191,11 @@ static __init int exynos4_pm_init_power_domain(void)
 #ifdef CONFIG_S5P_DEV_G2D
 	exynos_pm_add_dev_to_genpd(&s5p_device_g2d, &exynos4_pd_lcd0);
 #endif
+#ifdef CONFIG_S5P_DEV_G3D
+	/* MALI requires the PD to be always on. */
+	exynos4_pd_g3d.pd.power_off = NULL;
+	exynos_pm_add_dev_to_genpd(&s5p_device_g3d, &exynos4_pd_g3d);
+#endif
 #ifdef CONFIG_S5P_DEV_JPEG
 	exynos_pm_add_dev_to_genpd(&s5p_device_jpeg, &exynos4_pd_cam);
 #endif
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index 9c3b90c3538..9e7b40e2402 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -371,6 +371,11 @@ config S5P_DEV_G2D
 	help
 	  Compile in platform device definitions for G2D device
 
+config S5P_DEV_G3D
+	bool
+	help
+	  Compile in platform device definitions for G3D device
+
 config S5P_DEV_I2C_HDMIPHY
 	bool
 	help
diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c
index de205e6fd9b..1f82fc23b0f 100644
--- a/arch/arm/plat-samsung/devs.c
+++ b/arch/arm/plat-samsung/devs.c
@@ -290,6 +290,25 @@ struct platform_device s5p_device_g2d = {
 };
 #endif /* CONFIG_S5P_DEV_G2D */
 
+/* G3D */
+
+#ifdef CONFIG_S5P_DEV_G3D
+static struct resource s5p_g3d_resource[] = {
+	[0] = DEFINE_RES_MEM(S5P_PA_G3D, SZ_256K),
+};
+
+struct platform_device s5p_device_g3d = {
+	.name		= "s5p-g3d",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(s5p_g3d_resource),
+	.resource	= s5p_g3d_resource,
+	.dev		= {
+		.dma_mask		= &samsung_device_dma_mask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+	},
+};
+#endif /* CONFIG_S5P_DEV_G3D */
+
 #ifdef CONFIG_S5P_DEV_JPEG
 static struct resource s5p_jpeg_resource[] = {
 	[0] = DEFINE_RES_MEM(S5P_PA_JPEG, SZ_4K),
diff --git a/arch/arm/plat-samsung/include/plat-samsung/devs.h b/arch/arm/plat-samsung/include/plat-samsung/devs.h
index 5da4b4f38f4..5037810463e 100644
--- a/arch/arm/plat-samsung/include/plat-samsung/devs.h
+++ b/arch/arm/plat-samsung/include/plat-samsung/devs.h
@@ -83,6 +83,7 @@ extern struct platform_device s5p_device_fimc3;
 extern struct platform_device s5p_device_fimc_md;
 extern struct platform_device s5p_device_jpeg;
 extern struct platform_device s5p_device_g2d;
+extern struct platform_device s5p_device_g3d;
 extern struct platform_device s5p_device_fimd0;
 extern struct platform_device s5p_device_hdmi;
 extern struct platform_device s5p_device_i2c_hdmiphy;