On 16:02 Wed 08 Jul , Matthias Weisser wrote:
> This patch adds support for MB86R01 'Jade' SoC from Fujitsu
>
> Signed-off-by: Matthias Weisser <matthias.weis...@graf-syteco.de>
> ---
> cpu/arm926ejs/jade/Makefile | 47 +++++++++
> cpu/arm926ejs/jade/timer.c | 126 ++++++++++++++++++++++++
> include/asm-arm/arch-jade/hardware.h | 31 ++++++
> include/asm-arm/arch-jade/jade.h | 177
> ++++++++++++++++++++++++++++++++++
> 4 files changed, 381 insertions(+), 0 deletions(-)
> create mode 100644 cpu/arm926ejs/jade/Makefile
> create mode 100644 cpu/arm926ejs/jade/timer.c
> create mode 100644 include/asm-arm/arch-jade/hardware.h
> create mode 100644 include/asm-arm/arch-jade/jade.h
>
> diff --git a/cpu/arm926ejs/jade/Makefile b/cpu/arm926ejs/jade/Makefile
> new file mode 100644
> index 0000000..7da9f40
> --- /dev/null
> +++ b/cpu/arm926ejs/jade/Makefile
> @@ -0,0 +1,47 @@
> +#
> +# (C) Copyright 2000-2006
> +# Wolfgang Denk, DENX Software Engineering, w...@denx.de.
> +#
> +# See file CREDITS for list of people who contributed to this
> +# project.
> +#
> +# This program is free software; you can redistribute it and/or
> +# modify it under the terms of the GNU General Public License as
> +# published by the Free Software Foundation; either version 2 of
> +# the License, or (at your option) any later version.
> +#
> +# This program is distributed in the hope that it will be useful,
> +# but WITHOUT ANY WARRANTY; without even the implied warranty of
> +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> +# GNU General Public License for more details.
> +#
> +# You should have received a copy of the GNU General Public License
> +# along with this program; if not, write to the Free Software
> +# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
> +# MA 02111-1307 USA
> +#
> +
> +include $(TOPDIR)/config.mk
> +
> +LIB = $(obj)lib$(SOC).a
> +
> +COBJS = timer.o
> +SOBJS =
> +
> +SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
> +OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS))
> +START := $(addprefix $(obj),$(START))
> +
> +all: $(obj).depend $(LIB)
> +
> +$(LIB): $(OBJS)
> + $(AR) $(ARFLAGS) $@ $(OBJS)
> +
> +#########################################################################
> +
> +# defines $(obj).depend target
> +include $(SRCTREE)/rules.mk
> +
> +sinclude $(obj).depend
> +
> +#########################################################################
> diff --git a/cpu/arm926ejs/jade/timer.c b/cpu/arm926ejs/jade/timer.c
> new file mode 100644
> index 0000000..2d262c8
> --- /dev/null
> +++ b/cpu/arm926ejs/jade/timer.c
> @@ -0,0 +1,126 @@
> +/*
> + * (C) Copyright 2007-2008
> + * Stelian Pop <stelian....@leadtechdesign.com>
> + * Lead Tech Design <www.leadtechdesign.com>
> + *
> + * Matthias Weisser <matthias.weis...@graf-syteco.de>
> + *
> + * See file CREDITS for list of people who contributed to this
> + * project.
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License as
> + * published by the Free Software Foundation; either version 2 of
> + * the License, or (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
> + * MA 02111-1307 USA
> + */
> +
> +#include <common.h>
> +#include <div64.h>
> +
> +#define TIMER_LOAD_VAL 0xffffffff
> +#define TIMER_BASE 0xfffe0000
whitespace please fix
> +
> +#define READ_TIMER (*(volatile ulong *)(TIMER_BASE+4))
> +#define TIMER_FREQ (CONFIG_JADE_IOCLK / 16)
whitespace please fix
> +
> +static ulong timestamp;
> +static ulong lastdec;
> +
> +static inline unsigned long long tick_to_time(unsigned long long tick)
> +{
> + tick *= CONFIG_SYS_HZ;
> + do_div(tick, TIMER_FREQ);
> +
> + return tick;
> +}
> +
> +static inline unsigned long long usec_to_tick(unsigned long long usec)
> +{
> + usec *= TIMER_FREQ;
> + do_div(usec, 1000000);
> +
> + return usec;
> +}
> +
> +/* nothing really to do with interrupts, just starts up a counter. */
> +int timer_init(void)
> +{
> + *(volatile ulong *)(TIMER_BASE + 0) = TIMER_LOAD_VAL;
> + *(volatile ulong *)(TIMER_BASE + 8) = 0x86;
please use proper accessor readx/writex
> +
> + reset_timer_masked();
> +
> + return 0;
> +}
> +
> +/*
> + * timer without interrupts
> + */
> +unsigned long long get_ticks(void)
> +{
> + ulong now = READ_TIMER;
> +
> + if (now <= lastdec) /* normal mode (non roll) */
> + /* move stamp forward with absolut diff ticks */
> + timestamp += (lastdec - now);
> + else /* we have rollover of incrementer */
> + timestamp += lastdec + TIMER_LOAD_VAL - now;
> + lastdec = now;
> + return timestamp;
> +}
> +
> +void reset_timer_masked(void)
> +{
> + /* reset time */
> + lastdec = READ_TIMER; /* capture current decrement value time */
> + timestamp = 0; /* start "advancing" time stamp from 0 */
> +}
> +
> +ulong get_timer_masked(void)
> +{
> + return tick_to_time(get_ticks());
> +}
> +
> +void udelay(unsigned long usec)
> +{
> + unsigned long long tmp;
> + ulong tmo;
> +
> + tmo = usec_to_tick(usec);
> + tmp = get_ticks() + tmo; /* get current timestamp */
> +
> + while (get_ticks() < tmp) /* loop till event */
> + /*NOP*/;
> +}
> +
> +void reset_timer(void)
> +{
> + reset_timer_masked();
> +}
> +
> +ulong get_timer(ulong base)
> +{
> + return get_timer_masked() - base;
> +}
> +
> +/*
> + * This function is derived from PowerPC code (timebase clock frequency).
> + * On ARM it returns the number of timer ticks per second.
> + */
> +ulong get_tbclk(void)
> +{
> + ulong tbclk;
> +
> + tbclk = CONFIG_SYS_HZ;
> + return tbclk;
please return it directly
> +}
> diff --git a/include/asm-arm/arch-jade/hardware.h
> b/include/asm-arm/arch-jade/hardware.h
> new file mode 100644
> index 0000000..a26bdca
> --- /dev/null
> +++ b/include/asm-arm/arch-jade/hardware.h
> @@ -0,0 +1,31 @@
> +/*
> + * (C) Copyright 2007
> + *
> + * Author : Carsten Schneider, mycable GmbH
> + * <c...@mycable.de>
> + *
> + * See file CREDITS for list of people who contributed to this
> + * project.
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License as
> + * published by the Free Software Foundation; either version 2 of
> + * the License, or (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
> + * MA 02111-1307 USA
> + */
> +#ifndef __ASM_ARCH_HARDWARE_H
> +#define __ASM_ARCH_HARDWARE_H
> +
> +#include <asm/sizes.h>
> +#include <asm/arch/jade.h>
> +
> +#endif
> diff --git a/include/asm-arm/arch-jade/jade.h
> b/include/asm-arm/arch-jade/jade.h
> new file mode 100644
> index 0000000..c2b28a2
> --- /dev/null
> +++ b/include/asm-arm/arch-jade/jade.h
> @@ -0,0 +1,177 @@
> +/*
> + * (C) Copyright 2007
> + *
> + * jade definitions
> + *
> + * Author : Carsten Schneider, mycable GmbH
> + * <c...@mycable.de>
> + *
> + * See file CREDITS for list of people who contributed to this
> + * project.
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License as
> + * published by the Free Software Foundation; either version 2 of
> + * the License, or (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
> + * MA 02111-1307 USA
> + */
> +
> +#ifndef JADE_H
> +#define JADE_H
> +
> +typedef volatile unsigned int JREG; /* Hardware register */
> +
> +/*
> + * Physical Address Defines
> + */
> +#define JADE_GDC_PHYS_BASE 0xf1fc0000
> +#define JADE_GDC_PHYS_DISP_BASE 0xf1fd0000
> +#define JADE_CCNT_PHYS_BASE 0xfff42000
> +#define JADE_CAN0_PHYS_BASE 0xfff54000
> +#define JADE_CAN1_PHYS_BASE 0xfff55000
> +#define JADE_I2C0_PHYS_BASE 0xfff56000
> +#define JADE_I2C1_PHYS_BASE 0xfff57000
> +#define JADE_EHCI_PHYS_BASE 0xfff80000
> +#define JADE_OHCI_PHYS_BASE 0xfff81000
> +#define JADE_IRC1_PHYS_BASE 0xfffb0000
> +#define JADE_TIMER_PHYS_BASE 0xfffe0000
> +#define JADE_UART0_PHYS_BASE 0xfffe1000
> +#define JADE_UART1_PHYS_BASE 0xfffe2000
> +#define JADE_IRCE_PHYS_BASE 0xfffe4000
> +#define JADE_CRG_PHYS_BASE 0xfffe7000
> +#define JADE_IRC0_PHYS_BASE 0xfffe8000
> +#define JADE_GPIO_PHYS_BASE 0xfffe9000
please align them
> +
> +
> +/* DRAMC_DRIC DRAM Controller Mode Register */
> +
> +/*
> + * REGISTER ADDRESS DEFINITION FOR DRAMC PERIPHERAL
> + */
> +#define JREGC_DRAMC_DRIC ((JREG *) 0xF3000000)
please remove the JREG everywhere as no need when use proper accessor
Best Regards,
J.
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