ENGR00119716: MX28 basic support.

Add mx28 to u-boot and pass the compiling.

Signed-off-by: Terry Lv <r65388@freescale.com>

5 files changed, 225 insertions, 0 deletions

diff --git a/board/freescale/mx28/Makefile b/board/freescale/mx28/Makefile
new file mode 100644
index 0000000..5460fcb
--- /dev/null
+++ b/board/freescale/mx28/Makefile
@@ -0,0 +1,52 @@
+#
+# (C) Copyright 2000-2006
+# 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	= $(obj)lib$(BOARD).a
+
+COBJS	:= mx28.o
+SOBJS	:= lowlevel_init.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(obj).depend $(OBJS) $(SOBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak $(obj).depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
+
diff --git a/board/freescale/mx28/config.mk b/board/freescale/mx28/config.mk
new file mode 100644
index 0000000..7b57ec3
--- /dev/null
+++ b/board/freescale/mx28/config.mk
@@ -0,0 +1,6 @@
+#
+# image should be loaded at 0x41008000
+#
+LDSCRIPT := $(SRCTREE)/board/$(VENDOR)/$(BOARD)/u-boot.lds
+
+TEXT_BASE = 0x41008000
diff --git a/board/freescale/mx28/lowlevel_init.S b/board/freescale/mx28/lowlevel_init.S
new file mode 100644
index 0000000..e874e4f
--- /dev/null
+++ b/board/freescale/mx28/lowlevel_init.S
@@ -0,0 +1,34 @@
+/*
+ * Board specific setup info
+ *
+ * (C) Copyright 2003, ARM Ltd.
+ * Philippe Robin, <philippe.robin@arm.com>
+ *
+ * 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 <config.h>
+#include <version.h>
+
+/* Set up the platform, once the cpu has been initialized */
+.globl lowlevel_init
+lowlevel_init:
+
+	/* All SDRAM settings are done by sdram_prep */
+	mov pc, lr
diff --git a/board/freescale/mx28/mx28.c b/board/freescale/mx28/mx28.c
new file mode 100644
index 0000000..fa53e82
--- /dev/null
+++ b/board/freescale/mx28/mx28.c
@@ -0,0 +1,82 @@
+/*
+ *
+ * (c) 2008 Embedded Alley Solutions, Inc.
+ *
+ * (C) Copyright 2009 Freescale Semiconductor, Inc.
+ *
+ * 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/arch/mx28.h>
+#include <asm/arch/clkctrl.h>
+#include <asm/arch/pinmux.h>
+#include <asm/arch/spi.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define KHz	1000
+#define MHz	(1000 * KHz)
+
+static void set_pinmux(void)
+{
+}
+
+#define IO_DIVIDER	18
+static void set_clocks(void)
+{
+}
+
+int dram_init(void)
+{
+	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+
+	return 0;
+}
+
+int board_init(void)
+{
+	/* arch number of Freescale STMP 378x development board */
+	/* gd->bd->bi_arch_number = MACH_TYPE_MX28_EVK; */
+
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR;
+
+	set_clocks();
+
+	set_pinmux();
+
+	/* Configure SPI on SSP1 or SSP2 */
+	spi_init();
+
+	return 0;
+}
+
+int misc_init_r(void)
+{
+	return 0;
+}
+
+int checkboard(void)
+{
+	printf("Board: MX28 EVK \n");
+	return 0;
+}
diff --git a/board/freescale/mx28/u-boot.lds b/board/freescale/mx28/u-boot.lds
new file mode 100644
index 0000000..82cb8e3
--- /dev/null
+++ b/board/freescale/mx28/u-boot.lds
@@ -0,0 +1,51 @@
+/*
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <gj@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
+ */
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+	. = 0x00000000;
+	. = ALIGN(4);
+	.text	:
+	{
+	  cpu/arm926ejs/start.o	(.text)
+	  *(.text)
+	}
+	.rodata : { *(.rodata) }
+	. = ALIGN(4);
+	.data : { *(.data) }
+	. = ALIGN(4);
+	.got : { *(.got) }
+
+	. = .;
+	__u_boot_cmd_start = .;
+	.u_boot_cmd : { *(.u_boot_cmd) }
+	__u_boot_cmd_end = .;
+
+	. = ALIGN(4);
+	__bss_start = .;
+	.bss (NOLOAD) : { *(.bss) }
+	_end = .;
+}