Add basic support for Calxeda Highbank platform. Only minimal support with serial and SATA are included. Signed-off-by: Jason Hobbs <jason.hobbs@calxeda.com> Signed-off-by: Rob Herring <rob.herring@calxeda.com> Cc: Albert ARIBAUD <albert.u.boot@aribaud.net>master
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#
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# (C) Copyright 2000-2006
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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#
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# See file CREDITS for list of people who contributed to this
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# project.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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# MA 02111-1307 USA
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#
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include $(TOPDIR)/config.mk |
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LIB = $(obj)lib$(SOC).o
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COBJS := timer.o
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SOBJS :=
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SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
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OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS))
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all: $(obj).depend $(LIB) |
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$(LIB): $(OBJS) |
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$(call cmd_link_o_target, $(OBJS))
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#########################################################################
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# defines $(obj).depend target
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include $(SRCTREE)/rules.mk |
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sinclude $(obj).depend |
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#########################################################################
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/*
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* Copyright 2010-2011 Calxeda, Inc. |
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* |
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* Based on arm926ejs/mx27/timer.c |
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* |
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* This program is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License as published by the Free |
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* Software Foundation; either version 2 of the License, or (at your option) |
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* any later version. |
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* |
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* This program is distributed in the hope it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
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* more details. |
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* |
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* You should have received a copy of the GNU General Public License along with |
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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#include <common.h> |
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#include <div64.h> |
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#include <linux/types.h> /* for size_t */ |
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#include <linux/stddef.h> /* for NULL */ |
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#include <asm/io.h> |
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#include <asm/arch-armv7/systimer.h> |
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#undef SYSTIMER_BASE |
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#define SYSTIMER_BASE 0xFFF34000 /* Timer 0 and 1 base */ |
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#define SYSTIMER_RATE 150000000 |
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static ulong timestamp; |
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static ulong lastinc; |
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static struct systimer *systimer_base = (struct systimer *)SYSTIMER_BASE; |
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/*
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* Start the timer |
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*/ |
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int timer_init(void) |
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{ |
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/*
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* Setup timer0 |
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*/ |
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writel(SYSTIMER_RELOAD, &systimer_base->timer0load); |
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writel(SYSTIMER_RELOAD, &systimer_base->timer0value); |
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writel(SYSTIMER_EN | SYSTIMER_32BIT, &systimer_base->timer0control); |
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reset_timer_masked(); |
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return 0; |
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} |
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#define TICK_PER_TIME ((SYSTIMER_RATE + CONFIG_SYS_HZ / 2) / CONFIG_SYS_HZ) |
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#define NS_PER_TICK (1000000000 / SYSTIMER_RATE) |
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static inline unsigned long long tick_to_time(unsigned long long tick) |
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{ |
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do_div(tick, TICK_PER_TIME); |
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return tick; |
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} |
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static inline unsigned long long time_to_tick(unsigned long long time) |
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{ |
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return time * TICK_PER_TIME; |
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} |
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static inline unsigned long long us_to_tick(unsigned long long us) |
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{ |
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unsigned long long tick = us << 16; |
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tick += NS_PER_TICK - 1; |
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do_div(tick, NS_PER_TICK); |
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return tick >> 16; |
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} |
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unsigned long long get_ticks(void) |
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{ |
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ulong now = ~readl(&systimer_base->timer0value); |
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if (now >= lastinc) /* normal mode (non roll) */ |
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/* move stamp forward with absolut diff ticks */ |
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timestamp += (now - lastinc); |
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else /* we have rollover of incrementer */ |
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timestamp += (0xFFFFFFFF - lastinc) + now; |
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lastinc = now; |
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return timestamp; |
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} |
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/*
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* Delay x useconds AND preserve advance timstamp value |
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* assumes timer is ticking at 1 msec |
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*/ |
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void __udelay(ulong usec) |
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{ |
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unsigned long long tmp; |
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ulong tmo; |
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tmo = us_to_tick(usec); |
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tmp = get_ticks() + tmo; /* get current timestamp */ |
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while (get_ticks() < tmp) /* loop till event */ |
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/*NOP*/; |
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} |
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ulong get_timer(ulong base) |
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{ |
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return get_timer_masked() - base; |
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} |
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void reset_timer_masked(void) |
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{ |
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lastinc = ~readl(&systimer_base->timer0value); |
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timestamp = 0; |
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} |
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void reset_timer(void) |
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{ |
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reset_timer_masked(); |
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} |
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ulong get_timer_masked(void) |
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{ |
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return tick_to_time(get_ticks()); |
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} |
@ -0,0 +1,49 @@ |
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#
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# (C) Copyright 2000-2006
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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#
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# See file CREDITS for list of people who contributed to this
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# project.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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# MA 02111-1307 USA
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#
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include $(TOPDIR)/config.mk |
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LIB = $(obj)lib$(BOARD).o
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COBJS := highbank.o
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SRCS := $(COBJS:.o=.c)
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OBJS := $(addprefix $(obj),$(COBJS))
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$(LIB): $(obj).depend $(OBJS) |
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$(call cmd_link_o_target, $(OBJS))
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clean: |
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rm -f $(OBJS)
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distclean: clean |
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rm -f $(LIB) core *.bak $(obj).depend
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#########################################################################
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# defines $(obj).depend target
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include $(SRCTREE)/rules.mk |
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sinclude $(obj).depend |
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#########################################################################
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@ -0,0 +1,57 @@ |
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/*
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* Copyright 2010-2011 Calxeda, Inc. |
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* |
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* This program is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License as published by the Free |
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* Software Foundation; either version 2 of the License, or (at your option) |
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* any later version. |
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* |
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* This program is distributed in the hope it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
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* more details. |
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* |
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* You should have received a copy of the GNU General Public License along with |
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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#include <common.h> |
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#include <ahci.h> |
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#include <scsi.h> |
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#include <asm/sizes.h> |
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DECLARE_GLOBAL_DATA_PTR; |
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/*
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* Miscellaneous platform dependent initialisations |
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*/ |
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int board_init(void) |
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{ |
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icache_enable(); |
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return 0; |
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} |
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int misc_init_r(void) |
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{ |
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ahci_init(0xffe08000); |
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scsi_scan(1); |
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return 0; |
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} |
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int dram_init(void) |
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{ |
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gd->ram_size = SZ_512M; |
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return 0; |
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} |
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void dram_init_banksize(void) |
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{ |
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gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; |
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gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; |
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} |
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void reset_cpu(ulong addr) |
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{ |
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} |
@ -0,0 +1,113 @@ |
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/*
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* Copyright 2010-2011 Calxeda, Inc. |
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* |
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* This program is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License as published by the Free |
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* Software Foundation; either version 2 of the License, or (at your option) |
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* any later version. |
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* |
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* This program is distributed in the hope it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
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* more details. |
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* |
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* You should have received a copy of the GNU General Public License along with |
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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#ifndef __CONFIG_H |
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#define __CONFIG_H |
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#define CONFIG_L2_OFF |
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#define CONFIG_SYS_NO_FLASH |
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#define CFG_HZ 1000 |
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#define CONFIG_SYS_HZ CFG_HZ |
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#define CONFIG_OF_LIBFDT |
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#define CONFIG_FIT |
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#define CONFIG_SYS_BOOTMAPSZ (16 << 20) |
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/*
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* Size of malloc() pool |
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*/ |
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#define CONFIG_SYS_MALLOC_LEN (512 * 1024) |
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#define CONFIG_PL011_SERIAL |
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#define CONFIG_PL011_CLOCK 150000000 |
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#define CONFIG_PL01x_PORTS { (void *)(0xFFF36000) } |
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#define CONFIG_CONS_INDEX 0 |
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#define CONFIG_BAUDRATE 38400 |
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#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } |
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#define CONFIG_MISC_INIT_R |
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#define CONFIG_SCSI_AHCI |
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#define CONFIG_SCSI_AHCI_PLAT |
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#define CONFIG_SYS_SCSI_MAX_SCSI_ID 5 |
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#define CONFIG_SYS_SCSI_MAX_LUN 1 |
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#define CONFIG_SYS_SCSI_MAX_DEVICE (CONFIG_SYS_SCSI_MAX_SCSI_ID * \ |
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CONFIG_SYS_SCSI_MAX_LUN) |
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#define CONFIG_DOS_PARTITION |
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/*
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* Command line configuration. |
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*/ |
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#include <config_cmd_default.h> |
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#undef CONFIG_CMD_NET |
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#undef CONFIG_CMD_NFS |
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#define CONFIG_CMD_BDI |
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#define CONFIG_CMD_ELF |
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#define CONFIG_CMD_MEMORY |
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#define CONFIG_CMD_LOADS |
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#define CONFIG_CMD_SCSI |
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#define CONFIG_CMD_EXT2 |
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#define CONFIG_BOOTDELAY 2 |
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/*
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* Miscellaneous configurable options |
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*/ |
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#define CONFIG_CMDLINE_EDITING |
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#define CONFIG_AUTO_COMPLETE |
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#define CONFIG_SYS_LONGHELP /* undef to save memory */ |
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#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ |
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#define CONFIG_SYS_MAXARGS 16 /* max number of cmd args */ |
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#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE |
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#define CONFIG_SYS_PROMPT "Highbank #" |
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/* Print Buffer Size */ |
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#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ |
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sizeof(CONFIG_SYS_PROMPT)+16) |
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#define CONFIG_SYS_LOAD_ADDR 0x800000 |
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/*-----------------------------------------------------------------------
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* Stack sizes |
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* |
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* The stack sizes are set up in start.S using the settings below |
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*/ |
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#define CONFIG_STACKSIZE (128*1024) /* regular stack */ |
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#ifdef CONFIG_USE_IRQ |
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#define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */ |
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#define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */ |
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#endif |
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/*-----------------------------------------------------------------------
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* Physical Memory Map |
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*/ |
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#define CONFIG_NR_DRAM_BANKS 1 |
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#define PHYS_SDRAM_1_SIZE (4089 << 20) |
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#define CONFIG_SYS_MEMTEST_START 0x100000 |
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#define CONFIG_SYS_MEMTEST_END (PHYS_SDRAM_1_SIZE - 0x100000) |
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/* Room required on the stack for the environment data */ |
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#define CONFIG_ENV_SIZE 0x2000 |
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#define CONFIG_ENV_IS_NOWHERE |
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#define CONFIG_SYS_SDRAM_BASE 0x00000000 |
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#define CONFIG_SYS_TEXT_BASE 0x00001000 |
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#define CONFIG_SYS_INIT_SP_ADDR 0x01000000 |
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#define CONFIG_SKIP_LOWLEVEL_INIT |
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#endif |
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