MX25: Add initial support for MX25PDK

Add the initial support for MX25PDK booting from SD card via internal boot.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>

4 files changed, 206 insertions, 0 deletions

diff --git a/board/freescale/mx25pdk/Makefile b/board/freescale/mx25pdk/Makefile
new file mode 100644
index 0000000..4d45ae3
--- /dev/null
+++ b/board/freescale/mx25pdk/Makefile
@@ -0,0 +1,49 @@
+#
+# Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de>
+#
+# (C) Copyright 2011 Freescale Semiconductor, Inc.
+#
+# 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).o
+
+COBJS	:= mx25pdk.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)
+	$(call cmd_link_o_target, $(OBJS) $(SOBJS))
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/freescale/mx25pdk/imximage.cfg b/board/freescale/mx25pdk/imximage.cfg
new file mode 100644
index 0000000..f7af7ff
--- /dev/null
+++ b/board/freescale/mx25pdk/imximage.cfg
@@ -0,0 +1,73 @@
+#
+# (C) Copyright 2009
+# Stefano Babic DENX Software Engineering sbabic@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.
+#
+# Refer docs/README.imxmage for more details about how-to configure
+# and create imximage boot image
+#
+# The syntax is taken as close as possible with the kwbimage
+
+# Boot Device : one of
+# spi, sd (the board has no nand neither onenand)
+
+BOOT_FROM	sd
+
+# Device Configuration Data (DCD)
+#
+# Each entry must have the format:
+# Addr-type           Address        Value
+#
+# where:
+#	Addr-type register length (1,2 or 4 bytes)
+#	Address	  absolute address of the register
+#	value	  value to be stored in the register
+
+# EIM config-CS5 init -- CPLD
+DATA 4 0xB8002050 0x0000D843
+DATA 4 0xB8002054 0x22252521
+DATA 4 0xB8002058 0x22220A00
+
+# DDR2 init
+DATA 4 0xB8001004 0x0076E83A
+DATA 4 0xB8001010 0x00000204
+DATA 4 0xB8001000 0x92210000
+DATA 4 0x80000f00 0x12344321
+DATA 4 0xB8001000 0xB2210000
+DATA 1 0x82000000 0xda
+DATA 1 0x83000000 0xda
+DATA 1 0x81000400 0xda
+DATA 1 0x80000333 0xda
+
+DATA 4 0xB8001000 0x92210000
+DATA 1 0x80000400 0x12345678
+
+DATA 4 0xB8001000 0xA2210000
+DATA 4 0x80000000 0x87654321
+DATA 4 0x80000000 0x87654321
+
+DATA 4 0xB8001000 0xB2210000
+DATA 1 0x80000233 0xda
+DATA 1 0x81000780 0xda
+DATA 1 0x81000400 0xda
+DATA 4 0xB8001000 0x82216080
+DATA 4 0x43FAC454 0x00001000
+
+DATA 4 0x53F80008 0x20034000
+
+# Enable the clocks
+DATA 4 0x53f8000c 0x1fffffff
+DATA 4 0x53f80010 0xffffffff
+DATA 4 0x53f80014 0xfdfff
diff --git a/board/freescale/mx25pdk/lowlevel_init.S b/board/freescale/mx25pdk/lowlevel_init.S
new file mode 100644
index 0000000..6e6810f
--- /dev/null
+++ b/board/freescale/mx25pdk/lowlevel_init.S
@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2011  Freescale Semiconductor
+ *
+ * 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.
+ */
+
+.globl lowlevel_init
+lowlevel_init:
+
+	mov	pc, lr
diff --git a/board/freescale/mx25pdk/mx25pdk.c b/board/freescale/mx25pdk/mx25pdk.c
new file mode 100644
index 0000000..6b5d1fc
--- /dev/null
+++ b/board/freescale/mx25pdk/mx25pdk.c
@@ -0,0 +1,63 @@
+/*
+ * (C) Copyright 2011 Freescale Semiconductor, Inc.
+ *
+ * Author: Fabio Estevam <fabio.estevam@freescale.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.
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/imx25-pinmux.h>
+#include <asm/arch/sys_proto.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int dram_init(void)
+{
+	/* dram_init must store complete ramsize in gd->ram_size */
+	gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
+				PHYS_SDRAM_1_SIZE);
+	return 0;
+}
+
+void dram_init_banksize(void)
+{
+	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+}
+
+int board_early_init_f(void)
+{
+	mx25_uart1_init_pins();
+
+	return 0;
+}
+
+int board_init(void)
+{
+	gd->bd->bi_arch_number = MACH_TYPE_MX25_3DS;
+	/* address of boot parameters */
+	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
+
+	return 0;
+}
+
+int checkboard(void)
+{
+	puts("Board: MX25PDK\n");
+
+	return 0;
+}