#include typedef unsigned int uint32; #define PL111_CR_EN 0x001 #define PL111_CR_PWR 0x800 #define PL111_IOBASE 0x10020000 #define PL111_PALBASE (PL111_IOBASE + 0x200) #define PL111_FB_BASE 0x200000; struct pl111_control { uint32 volatile timing0; //0 uint32 volatile timing1; //4 uint32 volatile timing2; //8 uint32 volatile timing3; //c uint32 volatile upbase; //10 uint32 volatile lpbase; //14 uint32 volatile control; //18 }; struct fbdev pl111_fb_device; int pl111_init(struct fb *f, unsigned int color_depth) { struct pl111_control *plio = (struct pl111_control*)PL111_IOBASE; /* 640x480 pixels */ plio->timing0 = 0x3f1f3f9c; plio->timing1 = 0x080b61df; plio->upbase = PL111_FB_BASE; if (color_depth == FB_COLOR_DEPTH_8) { plio->control = 0x1827; } else if (color_depth == FB_COLOR_DEPTH_16) { plio->control = 0x1829; } else if (color_depth == FB_COLOR_DEPTH_24) { plio->control = 0x182B; } else { //assume 16 if nothing else fit color_depth = 16; plio->control = 0x1829; } f->device = &pl111_fb_device; f->device->fbaddr = (void*)PL111_FB_BASE; f->width = 640; f->device->pixelwidth = 640; f->height = 480; f->device->pixelheight = 480; f->color_depth = color_depth; f->device->color_depth = color_depth; return 0; }