On 23:20 Sun 31 Aug , Nobuhiro Iwamatsu wrote:
Add support SH2/SH2A basic function.
Signed-off-by: Nobuhiro Iwamatsu iwamatsu.nobuhiro@renesas.com Signed-off-by: Nobuhiro Iwamatsu iwamatsu@nigauri.org
PATCH v2 :
- Apply Jean-Christophe's comments
cpu/sh2/Makefile | 49 +++++++++++++++++++ cpu/sh2/cache.c | 112 ++++++++++++++++++++++++++++++++++++++++++++ cpu/sh2/config.mk | 26 ++++++++++ cpu/sh2/cpu.c | 98 ++++++++++++++++++++++++++++++++++++++ cpu/sh2/interrupts.c | 39 +++++++++++++++ cpu/sh2/start.S | 78 ++++++++++++++++++++++++++++++ cpu/sh2/time.c | 111 +++++++++++++++++++++++++++++++++++++++++++ cpu/sh2/watchdog.c | 33 +++++++++++++ examples/Makefile | 3 + include/asm-sh/cpu_sh2.h | 40 ++++++++++++++++ include/asm-sh/processor.h | 5 ++- 11 files changed, 593 insertions(+), 1 deletions(-) create mode 100644 cpu/sh2/Makefile create mode 100644 cpu/sh2/cache.c create mode 100644 cpu/sh2/config.mk create mode 100644 cpu/sh2/cpu.c create mode 100644 cpu/sh2/interrupts.c create mode 100644 cpu/sh2/start.S create mode 100644 cpu/sh2/time.c create mode 100644 cpu/sh2/watchdog.c create mode 100644 include/asm-sh/cpu_sh2.h
diff --git a/cpu/sh2/Makefile b/cpu/sh2/Makefile new file mode 100644 index 0000000..50f6720 --- /dev/null +++ b/cpu/sh2/Makefile @@ -0,0 +1,49 @@ +# +# (C) Copyright 2000-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# Copyright (C) 2007,2008 Nobuhiro Iwamatsu iwamatsu@nigauri.org +# Copyright (C) 2008 Renesas Solutions Corp. +# +# 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 = $(obj)lib$(CPU).a
+START = start.o +OBJS = cpu.o interrupts.o watchdog.o time.o # cache.o
+all: .depend $(START) $(LIB)
please use $(obj).depend
+$(LIB): $(OBJS)
- $(AR) $(ARFLAGS) $@ $(OBJS)
+#########################################################################
+.depend: Makefile $(START:.o=.S) $(OBJS:.o=.c)
$(CC) -M $(CFLAGS) $(START:.o=.S) $(OBJS:.o=.c) > $@
please remove
+# defines $(obj).depend target +include $(SRCTREE)/rules.mk
+sinclude $(obj).depend
+######################################################################### +/*
- Copyright (C) 2007,2008 Nobuhiro Iwamatsu iwamatsu@nigauri.org
- Copyright (C) 2008 Renesas Solutions Corp.
- 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 <command.h> +#include <asm/processor.h> +#include <asm/io.h>
+#define STBCR4 0xFFFE040C
^^^^^^ whitespace
+#define cmt_clock_enable() do {\
writeb(readb(STBCR4) & ~0x04, STBCR4);\- } while (0)
+#define scif0_enable() do {\
writeb(readb(STBCR4) & ~0x80, STBCR4);\- } while (0)
+++ b/cpu/sh2/time.c @@ -0,0 +1,111 @@ +/*
- Copyright (C) 2007,2008 Nobobuhiro Iwamatsu iwamatsu@nigauri.org
- Copyright (C) 2008 Renesas Solutions Corp.
- (C) Copyright 2003
- Wolfgang Denk, DENX Software Engineering, wd@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 <common.h> +#include <asm/io.h> +#include <asm/processor.h>
+#define CMT_CMCSR_INIT 0x0001 /* PCLK/32 */
^^ whitespace
+#define CMT_CMCSR_CALIB 0x0000 +#define CMT_MAX_COUNTER (0xFFFFFFFF) +#define CMT_TIMER_RESET (0xFFFF)
+static vu_long cmt0_timer;
Best Regards, J.