Dear Shinya Kuribayashi, In message <4e886d01.5090...@pobox.com> you wrote: > From: Xiangfu Liu <xian...@openmobilefree.net> > Date: Fri, 19 Aug 2011 14:35:29 +0800 > > 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 <xian...@openmobilefree.net> > Acked-by: Daniel <z...@ingenic.cn> > Signed-off-by: Shinya Kuribayashi <skuri...@pobox.com> > --- > > Changes since v6: > > * Rebased against the latest U-Boot/MIPS codebase (the previous patches > up to v6 were based on v1.1.6). $gp usage, relocation code and so on > are getting synced with the current MIPS support in U-Boot. > > * Use -mach=mips32, pass -EL specifiers in PLATFORM_CPPFLAGS and > PLATFORM_LDFLAGS. This port works in Little-endian. > > * Remove NAND-boot stuff. Those bits will be submitted as a nand_spl > support, once this Jz4740 base support is merged. > > * jzsoc_init() is removed. calc_clocks() and rtc_init() will be > called through board_early_init_f(). > > * jz_serial.c is almost the same with standard ns16550 driver, but > we dont' use it, because it need a special tweak for jz4740 like > this: > > @@ -39,7 +39,11 @@ void NS16550_init (NS16550_t com_port, int baud_divisor) > serial_out(0, &com_port->dlm); > serial_out(UART_LCRVAL, &com_port->lcr); > serial_out(UART_MCRVAL, &com_port->mcr); > +#if defined(CONFIG_JZ4740) /* 0x10: for JZ4740 UART Module Enable */ > + serial_out(UART_FCRVAL | 0x10, &com_port->fcr); > +#else > serial_out(UART_FCRVAL, &com_port->fcr); > +#endif > serial_out(UART_LCR_BKSE | UART_LCRVAL, &com_port->lcr); > serial_out(baud_divisor & 0xff, &com_port->dll); > serial_out((baud_divisor >> 8) & 0xff, &com_port->dlm); > > If this is acceptable, we'll change to use standard ns16550 later. > > * Coding styles and build warnings fixed > > README | 1 + > arch/mips/cpu/xburst/Makefile | 49 ++ > arch/mips/cpu/xburst/config.mk | 24 + > arch/mips/cpu/xburst/cpu.c | 152 +++++ > arch/mips/cpu/xburst/jz4740.c | 248 ++++++++ > arch/mips/cpu/xburst/jz_serial.c | 114 ++++ > arch/mips/cpu/xburst/start.S | 171 ++++++ > arch/mips/cpu/xburst/timer.c | 169 ++++++ > arch/mips/include/asm/global_data.h | 11 + > arch/mips/include/asm/jz4740.h | 1115 > +++++++++++++++++++++++++++++++++++ > 10 files changed, 2054 insertions(+), 0 deletions(-) > create mode 100644 arch/mips/cpu/xburst/Makefile > create mode 100644 arch/mips/cpu/xburst/config.mk > create mode 100644 arch/mips/cpu/xburst/cpu.c > create mode 100644 arch/mips/cpu/xburst/jz4740.c > create mode 100644 arch/mips/cpu/xburst/jz_serial.c > create mode 100644 arch/mips/cpu/xburst/start.S > create mode 100644 arch/mips/cpu/xburst/timer.c > create mode 100644 arch/mips/include/asm/jz4740.h
Checkpatch says: total: 6 errors, 94 warnings, 2077 lines checked Please clean up and resubmit. Thanks. Best regards, Wolfgang Denk -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: w...@denx.de Violence in reality is quite different from theory. -- Spock, "The Cloud Minders", stardate 5818.4 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot