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authorSimon Glass <sjg@chromium.org>2011-09-26 14:10:39 +0000
committerWolfgang Denk <wd@denx.de>2011-10-17 23:53:46 +0200
commit4b0730d242fd203abfe60aed7d9d978bf6568b01 (patch)
tree25092b24a80172e64e8c63b60ee108ac2d7fd8c4 /arch/sandbox/cpu
parenta7551a3f790eca96be14ef3276326cdd63b5d2f4 (diff)
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sandbox: Add cpu files
This is an initial implementation with all functions defined but not working. The lds file is very simple since we can mostly rely on the linker defaults. Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/sandbox/cpu')
-rw-r--r--arch/sandbox/cpu/Makefile47
-rw-r--r--arch/sandbox/cpu/cpu.c63
-rw-r--r--arch/sandbox/cpu/u-boot.lds34
3 files changed, 144 insertions, 0 deletions
diff --git a/arch/sandbox/cpu/Makefile b/arch/sandbox/cpu/Makefile
new file mode 100644
index 0000000..8dfa828
--- /dev/null
+++ b/arch/sandbox/cpu/Makefile
@@ -0,0 +1,47 @@
+#
+# Copyright (c) 2011 The Chromium OS Authors.
+#
+# (C) Copyright 2000-2003
+# 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 $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(CPU).o
+
+COBJS := cpu.o
+
+SRCS := $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+
+all: $(obj).depend $(LIB)
+
+$(LIB): $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/arch/sandbox/cpu/cpu.c b/arch/sandbox/cpu/cpu.c
new file mode 100644
index 0000000..554cae8
--- /dev/null
+++ b/arch/sandbox/cpu/cpu.c
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * 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>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ /*
+ * This is considered normal termination for now. We wil call os_exit()
+ * when available.
+ */
+ return 0;
+}
+
+/* delay x useconds */
+void __udelay(unsigned long usec)
+{
+ /* Ignore this for now */
+}
+
+unsigned long timer_get_us(void)
+{
+ return 0;
+}
+
+int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
+{
+ return -1;
+}
+
+int cleanup_before_linux(void)
+{
+ return 0;
+}
+
+void *map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags)
+{
+ return (void *)(gd->ram_buf + paddr);
+}
+
+void flush_dcache_range(unsigned long start, unsigned long stop)
+{
+}
diff --git a/arch/sandbox/cpu/u-boot.lds b/arch/sandbox/cpu/u-boot.lds
new file mode 100644
index 0000000..2d2e50f
--- /dev/null
+++ b/arch/sandbox/cpu/u-boot.lds
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ *
+ * 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
+ */
+
+SECTIONS
+{
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+ __bss_start = .;
+
+}
+
+INSERT BEFORE .data;