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基于3c2410的linux2.6.22移植(6)

发布时间:2020-08-26 发布时间:
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2.  LCD驱动移植:继续在mach-smdk2410.c中添加如下内容:
………….
#include
#include
#include
………….
………….
static struct s3c2410fb_mach_info smdk2410_lcdcfg __initdata={
       .type=S3C2410_LCDCON1_TFT,
       .fixed_syncs= 0,
       .regs={
              .lcdcon1=       S3C2410_LCDCON1_TFT16BPP|
                            S3C2410_LCDCON1_TFT |
                            S3C2410_LCDCON1_CLKVAL(0X01),    
              .lcdcon2=       S3C2410_LCDCON2_VBPD(18)|      
                            S3C2410_LCDCON2_LINeval_r(479)|
                            S3C2410_LCDCON2_VFPD(10)|      
                            S3C2410_LCDCON2_VSPW(14),     
              .lcdcon3=       S3C2410_LCDCON3_HBPD(43)|
                            S3C2410_LCDCON3_HOZVAL(639)|      
                            S3C2410_LCDCON3_HFPD(115),    
              .lcdcon4=       S3C2410_LCDCON4_MVAL(0)  |
                            S3C2410_LCDCON4_HSPW(95),     
              .lcdcon5=       S3C2410_LCDCON5_FRM565   |
                            S3C2410_LCDCON5_INVVLINE|
                            S3C2410_LCDCON5_INVVFRAME|
                            S3C2410_LCDCON5_PWREN|
                            S3C2410_LCDCON5_HWSWP,
       },
       .lpcsel=   ((0XCE6)&~7)|1<<4,//0x0,
       .gpccon= 0xAA8002A8,//0xaaaaaaaa,
       .gpccon_mask=     0xFFC003FC,//0xffffffff,
       .gpcup=         0xF81E,//0xffffffff,
       .gpcup_mask=      0xF81E,//0xffffffff,
       .gpdcon= 0xAA80AAA0,//0xaaaaaaaa,
       .gpdcon_mask=    0xFFC0FFF0,//0x0,
       .gpcup=         0xF8FC,//0xffffffff,
       .gpcup_mask=      0xF8FC,//0xffffffff,
      
       .width=          640,//240,
       .height= 480,//320,
       .xres=            {640,640,640},//{240,240,240}, .min .max .defval
       .yres=            {480,480,480},//{320,320,320},
       .bpp=             {16,16,16},   //{16,16,16}, 
};
……………
……………
static void __init smdk2410_init(void)
{
       s3c24xx_fb_set_platdata(&smdk2410_lcdcfg);
       platform_add_devices(smdk2410_devices, ARRAY_SIZE(smdk2410_devices));
       smdk_machine_init();
}
………………..
注:注释掉driverscharvt.c的blank_screen_t(unsigned long dummy)的函数内容,否则lcd会在10分钟左右关掉显示。“
最后在内核编译时需要选中对LCD的支持,具体见内核配置和编译。
关键字:3c2410  linux2.6.22  移植 

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