chinesebear add bsp & libcpu

1 files changed, 59 insertions, 0 deletions

diff --git a/bsp/ls1cdev/drivers/display_controller.h b/bsp/ls1cdev/drivers/display_controller.h
new file mode 100644
index 0000000000..6ea1657037
--- /dev/null
+++ b/bsp/ls1cdev/drivers/display_controller.h
@@ -0,0 +1,59 @@
+/*
+ * File      : display_controller.h
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2006-2012, RT-Thread Develop Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date                Author           Notes
+ * 2011-08-08     lgnq            first version for LS1B
+ * 2015-07-06    chinesebear   modified for loongson 1c
+ */
+ 
+#ifndef __DISPLAY_CONTROLLER_H__
+#define __DISPLAY_CONTROLLER_H__
+
+#include <rtthread.h>
+#include "ls1c.h"
+
+#define DC_BASE					0xBC301240  //Display Controller
+
+/* Frame Buffer registers */
+#define DC_FB_CONFIG			__REG32(DC_BASE + 0x000)
+#define DC_FB_BUFFER_ADDR0		__REG32(DC_BASE + 0x020)
+#define DC_FB_BUFFER_STRIDE		__REG32(DC_BASE + 0x040)
+#define DC_FB_BUFFER_ORIGIN		__REG32(DC_BASE + 0x060)
+#define DC_DITHER_CONFIG		__REG32(DC_BASE + 0x120)
+#define DC_DITHER_TABLE_LOW		__REG32(DC_BASE + 0x140)
+#define DC_DITHER_TABLE_HIGH	__REG32(DC_BASE + 0x160)
+#define DC_PANEL_CONFIG			__REG32(DC_BASE + 0x180)
+#define DC_PANEL_TIMING			__REG32(DC_BASE + 0x1A0)
+#define DC_HDISPLAY				__REG32(DC_BASE + 0x1C0)
+#define DC_HSYNC				__REG32(DC_BASE + 0x1E0)
+#define DC_VDISPLAY				__REG32(DC_BASE + 0x240)
+#define DC_VSYNC				__REG32(DC_BASE + 0x260)
+#define DC_FB_BUFFER_ADDR1		__REG32(DC_BASE + 0x340)
+
+/* Display Controller driver for 1024x768 16bit */
+#define FB_XSIZE		1024
+#define FB_YSIZE		768
+#define CONFIG_VIDEO_16BPP
+
+#define APB_CLK 33333333
+
+#define K1BASE				0xA0000000
+#define KSEG1(addr)			((void *)(K1BASE | (rt_uint32_t)(addr)))
+#define HW_FB_ADDR			KSEG1(_rt_framebuffer)
+#define HW_FB_PIXEL(x, y)	*(volatile rt_uint16_t*)((rt_uint8_t*)HW_FB_ADDR + (y * FB_XSIZE * 2) + x * 2)
+
+struct vga_struct
+{
+	long pclk;
+	int hr,hss,hse,hfl;
+	int vr,vss,vse,vfl;
+};
+
+#endif