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DirectFB on SH-MobileR(SH7722) Processor. ・ Collections of state-of-art software environments to utilize and synchronize with opensource community development. kernel = 2.6.21-rc5, gcc = 4.2, glibc = 2.5 nptl DirectFB = 1.1.0 – rc1 ( w/dedicated 2DG gfx driver ).
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DirectFB on SH-MobileR(SH7722) Processor ・ Collections of state-of-art software environments to utilize and synchronize with opensource community development. kernel = 2.6.21-rc5, gcc = 4.2, glibc = 2.5 nptl DirectFB = 1.1.0 – rc1 ( w/dedicated 2DG gfx driver ) Custom gfx_driver for SH7722 has direct access to H/Wand eliminates /dev/fb overhead like in generic gfx. DirectFB Application DirectFB User Level 128MB DDR-SDRAM DirectFB Core API Module SH4AL-DSP 333MHz@CPU 133MHz@DDR MPEG4 2GDU generic GFX Driver GFX drivers for SH7722 128MB NOR Flash H.264 VedeoIO WVGA(800*480) ioctl() mmap() Device Drivers 32kB *2 IOcahce MMU JPEG_U VOU mmap( ) /dev/fb USBHost R8A66597 USB Fc KeySC I2C SDctl Touch Panel H/W SH-MobileR(SH7722) 2D Graphics Hardware Display Unit AP325RM ALGOSYSTEM Co.,Ltd. MS7722SE01 Hitachi ULSI Systems Co.,Ltd. The gfx_driver for SH7722 will be merged with www.directfb.orgThe SH7722 will be supportedfrom the mainline kernel-2.6.22. KPIT ( http://www.kpitgnutools.com/bt/news.php ) has releasedsh-linux-gcc4.2. SH-MobileR is Renesas multi-media ready general purpose CPU.SH-4A CPU core is incorporated with 2D Graphics, H.264 codec, LCDCand 1seg tuner support. It would be suitable for multi-media products.