From 507bbe3e8084a82c20399367801da87db7d14e65 Mon Sep 17 00:00:00 2001 From: wdenk Date: Sun, 18 Apr 2004 21:13:41 +0000 Subject: * Patch by Yasushi Shoji, 07 Apr 2004: - add support for microblaze processors - add support for AtmarkTechno "suzaku" board --- cpu/microblaze/Makefile | 43 +++++++++++++++++++++++++++++++++++++++++++ cpu/microblaze/cpu.c | 25 +++++++++++++++++++++++++ cpu/microblaze/interrupts.c | 32 ++++++++++++++++++++++++++++++++ cpu/microblaze/start.S | 36 ++++++++++++++++++++++++++++++++++++ 4 files changed, 136 insertions(+) create mode 100644 cpu/microblaze/Makefile create mode 100644 cpu/microblaze/cpu.c create mode 100644 cpu/microblaze/interrupts.c create mode 100644 cpu/microblaze/start.S (limited to 'cpu') diff --git a/cpu/microblaze/Makefile b/cpu/microblaze/Makefile new file mode 100644 index 0000000..610043e --- /dev/null +++ b/cpu/microblaze/Makefile @@ -0,0 +1,43 @@ +# +# (C) Copyright 2000 +# 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 $(TOPDIR)/config.mk + +LIB = lib$(CPU).a + +START = start.o +OBJS = cpu.o interrupts.o + +all: .depend $(START) $(LIB) + +$(LIB): $(OBJS) + $(AR) crv $@ $(OBJS) + +######################################################################### + +.depend: Makefile $(START:.o=.S) $(OBJS:.o=.c) $(AOBJS:.o=.S) + $(CC) -M $(CFLAGS) $(START:.o=.S) $(OBJS:.o=.c) $(AOBJS:.o=.S) > $@ + +sinclude .depend + +######################################################################### diff --git a/cpu/microblaze/cpu.c b/cpu/microblaze/cpu.c new file mode 100644 index 0000000..4d2b270 --- /dev/null +++ b/cpu/microblaze/cpu.c @@ -0,0 +1,25 @@ +/* + * (C) Copyright 2004 Atmark Techno, Inc. + * + * Yasushi SHOJI + * + * 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 + */ + +/* EMPTY FILE */ diff --git a/cpu/microblaze/interrupts.c b/cpu/microblaze/interrupts.c new file mode 100644 index 0000000..ccf67e1 --- /dev/null +++ b/cpu/microblaze/interrupts.c @@ -0,0 +1,32 @@ +/* + * (C) Copyright 2004 Atmark Techno, Inc. + * + * Yasushi SHOJI + * + * 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 + */ + +void enable_interrupts(void) +{ +} + +int disable_interrupts(void) +{ + return 0; +} diff --git a/cpu/microblaze/start.S b/cpu/microblaze/start.S new file mode 100644 index 0000000..7efdbb0 --- /dev/null +++ b/cpu/microblaze/start.S @@ -0,0 +1,36 @@ +/* + * (C) Copyright 2004 Atmark Techno, Inc. + * + * Yasushi SHOJI + * + * 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 + + .text + .global _start +_start: + + addi r1, r0, CFG_SDRAM_BASE /* init stack pointer */ + addi r1, r1, CFG_SDRAM_SIZE /* set sp to high up */ + + brai board_init + +1: bri 1b -- cgit v1.1