OMFB_PLANEMASK
*(volatile u_int32_t *)OMFB_PLANEMASK = 0xff; /* all planes */
*(volatile u_int32_t *)OMFB_PLANEMASK = 0x01; /* plane #0 only */
*(volatile u_int32_t *)OMFB_PLANEMASK = 0xff;
*(volatile u_int32_t *)OMFB_PLANEMASK = 0x01;
*(volatile u_int32_t *)OMFB_PLANEMASK = 0xff;
*(volatile u_int32_t *)OMFB_PLANEMASK = 0x01;