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authorXiangfu Liu <xiangfu@openmobilefree.net>2011-10-12 12:24:06 +0800
committerShinya Kuribayashi <skuribay@pobox.com>2011-10-10 22:06:12 +0900
commit80421fcc3ed1843f62a4a463548a4f33cdde362f (patch)
tree0e17b489ca37e73be16fbc1f85fd8b8c63cb773b /arch/sh
parent0841ca90f22d73b0ea4642ef1ce33d879bb2f3ff (diff)
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MIPS: Ingenic XBurst Jz4740 processor support
Jz4740 is a multimedia application processor targeting for mobile devices like e-Dictionary, eBook, portable media player (PMP) and GPS navigator. Jz4740 is powered by Ingenic 360 MHz XBurst CPU core (JzRISC), in which RISC/SIMD/DSP hybrid instruction set architecture provides high integration, high performance and low power consumption. JzRISC incorporated in Jz4740 is the advanced and power-efficient 32-bit RISC core, compatible with MIPS32, with 16K I-Cache and 16K D-Cache, and can operate at speeds up to 400 MHz. On-chip modules such as LCD controller, embedded audio codec, multi- channel SAR-ADC, AC97/I2S controller and camera I/F offer a rich suite of peripherals for multimedia application. NAND controller (SLC/MLC), USB (host 1.1 and device 2.0), UART, I2C, SPI, etc. are also available. For more info about Ingenic XBurst Jz4740: http://en.ingenic.cn/eng/ http://www.linux-mips.org/wiki/Ingenic This patch introduces XBurst CPU support in U-Boot. It's compatible with MIPS32, but requires a bit different cache maintenance, timer routines, and boot mechanism using USB boot tool, so XBurst support can go into a separate new home, cpu/xburst/. Signed-off-by: Xiangfu Liu <xiangfu@openmobilefree.net> Acked-by: Daniel <zpxu@ingenic.cn> Signed-off-by: Shinya Kuribayashi <skuribay@pobox.com>
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