Exynos4210: added display controller implementation

Exynos4210 display controller (FIMD) has 5 hardware windows with alpha and
chroma key blending functions.

Signed-off-by: Mitsyanko Igor <i.mitsyanko@samsung.com>
Signed-off-by: Evgeny Voevodin <e.voevodin@samsung.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Makefile.target

@@ -346,7 +346,7 @@ obj-arm-y += versatile_pci.o
 obj-arm-y += realview_gic.o realview.o arm_sysctl.o arm11mpcore.o a9mpcore.o
 obj-arm-y += exynos4210_gic.o exynos4210_combiner.o exynos4210.o
 obj-arm-y += exynos4_boards.o exynos4210_uart.o exynos4210_pwm.o
-obj-arm-y += exynos4210_pmu.o exynos4210_mct.o
+obj-arm-y += exynos4210_pmu.o exynos4210_mct.o exynos4210_fimd.o
 obj-arm-y += arm_l2x0.o
 obj-arm-y += arm_mptimer.o
 obj-arm-y += armv7m.o armv7m_nvic.o stellaris.o pl022.o stellaris_enet.o

hw/exynos4210.c

@@ -58,6 +58,9 @@
 /* PMU SFR base address */
 #define EXYNOS4210_PMU_BASE_ADDR            0x10020000
 
+/* Display controllers (FIMD) */
+#define EXYNOS4210_FIMD0_BASE_ADDR          0x11C00000
+
 static uint8_t chipid_and_omr[] = { 0x11, 0x02, 0x21, 0x43,
                                     0x09, 0x00, 0x00, 0x00 };
 
@@ -256,5 +259,12 @@ Exynos4210State *exynos4210_init(MemoryRegion *system_mem,
                            EXYNOS4210_UART3_FIFO_SIZE, 3, NULL,
                   s->irq_table[exynos4210_get_irq(EXYNOS4210_UART_INT_GRP, 3)]);
 
+    /*** Display controller (FIMD) ***/
+    sysbus_create_varargs("exynos4210.fimd", EXYNOS4210_FIMD0_BASE_ADDR,
+            s->irq_table[exynos4210_get_irq(11, 0)],
+            s->irq_table[exynos4210_get_irq(11, 1)],
+            s->irq_table[exynos4210_get_irq(11, 2)],
+            NULL);
+
     return s;
 }