Victor Rodriguez <vm.ro...@gmail.com> writes: > This patch adds initial support for the Hawkboard-L138 system > It is under the machine name "omapl138_hawkboard". > This system is based on the da850 davinci CPU architecture. > Information on these system may be found at http://www.hawkboard.org. > Basic support for the UART console is included in this patch. > It's tested with latest Angstrom File Systems like ramdisk > from http://alturl.com/imb45. > > Signed-off-by: Victor Rodriguez <victor.rodrig...@sasken.com> > --- > Changes since v6: > 1) Change commit reference > 2) Remove hack that shut down UART1 because > it is unused at present on the hawkboard.
Thanks for removing this. Applying and queuing for 2.6.37 in davinci-next. Kevin > It shares pins with McASP0 transmit/receive master clock, > opening UART1 will lead to a series of spurious interrupts. > Some filesystems call getty on UART1 irrespective of whether > it is console or not. On such filesystems, not shutting down > UART1 causes boot-failure because of interrupt flood. > > Notes: > > This patch is checked with b8a24f38d6ee61b819f73ba53d51e3445314f0dc > from Kernel development tree for TI DaVinci family of processors. > This patch works with da8xx_omapl_defconfig plus this patch. > --- > arch/arm/configs/da8xx_omapl_defconfig | 1 + > arch/arm/mach-davinci/Kconfig | 8 +++ > arch/arm/mach-davinci/Makefile | 1 + > arch/arm/mach-davinci/board-omapl138-hawk.c | 64 > +++++++++++++++++++++++ > arch/arm/mach-davinci/include/mach/uncompress.h | 1 + > 5 files changed, 75 insertions(+), 0 deletions(-) > create mode 100644 arch/arm/mach-davinci/board-omapl138-hawk.c > > diff --git a/arch/arm/configs/da8xx_omapl_defconfig > b/arch/arm/configs/da8xx_omapl_defconfig > index f8a47ee..cdc40c4 100644 > --- a/arch/arm/configs/da8xx_omapl_defconfig > +++ b/arch/arm/configs/da8xx_omapl_defconfig > @@ -18,6 +18,7 @@ CONFIG_ARCH_DAVINCI=y > CONFIG_ARCH_DAVINCI_DA830=y > CONFIG_ARCH_DAVINCI_DA850=y > CONFIG_MACH_MITYOMAPL138=y > +CONFIG_MACH_OMAPL138_HAWKBOARD=y > CONFIG_DAVINCI_RESET_CLOCKS=y > CONFIG_NO_HZ=y > CONFIG_HIGH_RES_TIMERS=y > diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig > index 9aca60c..b77b860 100644 > --- a/arch/arm/mach-davinci/Kconfig > +++ b/arch/arm/mach-davinci/Kconfig > @@ -193,6 +193,14 @@ config MACH_MITYOMAPL138 > System on Module. Information on this SoM may be found at > http://www.mitydsp.com > > +config MACH_OMAPL138_HAWKBOARD > + bool "TI AM1808 / OMAPL-138 Hawkboard platform" > + depends on ARCH_DAVINCI_DA850 > + help > + Say Y here to select the TI AM1808 / OMAPL-138 Hawkboard platform . > + Information of this board may be found at > + http://www.hawkboard.org/ > + > config DAVINCI_MUX > bool "DAVINCI multiplexing support" > depends on ARCH_DAVINCI > diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile > index a7a70d1..0b87a1c 100644 > --- a/arch/arm/mach-davinci/Makefile > +++ b/arch/arm/mach-davinci/Makefile > @@ -34,6 +34,7 @@ obj-$(CONFIG_MACH_DAVINCI_DA830_EVM) += > board-da830-evm.o > obj-$(CONFIG_MACH_DAVINCI_DA850_EVM) += board-da850-evm.o > obj-$(CONFIG_MACH_TNETV107X) += board-tnetv107x-evm.o > obj-$(CONFIG_MACH_MITYOMAPL138) += board-mityomapl138.o > +obj-$(CONFIG_MACH_OMAPL138_HAWKBOARD) += board-omapl138-hawk.o > > # Power Management > obj-$(CONFIG_CPU_FREQ) += cpufreq.o > diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c > b/arch/arm/mach-davinci/board-omapl138-hawk.c > new file mode 100644 > index 0000000..014876b > --- /dev/null > +++ b/arch/arm/mach-davinci/board-omapl138-hawk.c > @@ -0,0 +1,64 @@ > +/* > + * Hawkboard.org based on TI's OMAP-L138 Platform > + * > + * Initial code: Syed Mohammed Khasim > + * > + * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com > + * > + * This file is licensed under the terms of the GNU General Public License > + * version 2. This program is licensed "as is" without any warranty of > + * any kind, whether express or implied. > + */ > +#include <linux/kernel.h> > +#include <linux/init.h> > +#include <linux/console.h> > +#include <linux/gpio.h> > + > +#include <asm/mach-types.h> > +#include <asm/mach/arch.h> > + > +#include <mach/cp_intc.h> > +#include <mach/da8xx.h> > + > +static struct davinci_uart_config omapl138_hawk_uart_config __initdata = { > + .enabled_uarts = 0x7, > +}; > + > +static __init void omapl138_hawk_init(void) > +{ > + int ret; > + > + davinci_serial_init(&omapl138_hawk_uart_config); > + > + ret = da8xx_register_watchdog(); > + if (ret) > + pr_warning("omapl138_hawk_init: " > + "watchdog registration failed: %d\n", > + ret); > +} > + > +#ifdef CONFIG_SERIAL_8250_CONSOLE > +static int __init omapl138_hawk_console_init(void) > +{ > + if (!machine_is_omapl138_hawkboard()) > + return 0; > + > + return add_preferred_console("ttyS", 2, "115200"); > +} > +console_initcall(omapl138_hawk_console_init); > +#endif > + > +static void __init omapl138_hawk_map_io(void) > +{ > + da850_init(); > +} > + > +MACHINE_START(OMAPL138_HAWKBOARD, "AM18x/OMAP-L138 Hawkboard") > + .phys_io = IO_PHYS, > + .io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc, > + .boot_params = (DA8XX_DDR_BASE + 0x100), > + .map_io = omapl138_hawk_map_io, > + .init_irq = cp_intc_init, > + .timer = &davinci_timer, > + .init_machine = omapl138_hawk_init, > +MACHINE_END > diff --git a/arch/arm/mach-davinci/include/mach/uncompress.h > b/arch/arm/mach-davinci/include/mach/uncompress.h > index d370391..47723e8 100644 > --- a/arch/arm/mach-davinci/include/mach/uncompress.h > +++ b/arch/arm/mach-davinci/include/mach/uncompress.h > @@ -89,6 +89,7 @@ static inline void __arch_decomp_setup(unsigned long > arch_id) > DEBUG_LL_DA8XX(davinci_da830_evm, 2); > DEBUG_LL_DA8XX(davinci_da850_evm, 2); > DEBUG_LL_DA8XX(mityomapl138, 1); > + DEBUG_LL_DA8XX(omapl138_hawkboard, 2); > > /* TNETV107x boards */ > DEBUG_LL_TNETV107X(tnetv107x, 1); _______________________________________________ Davinci-linux-open-source mailing list Davinci-linux-open-source@linux.davincidsp.com http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
