[PATCH v2] Add support for Eukrea's CPUIMX25
Eric Bénard
eric at eukrea.com
Mon May 17 05:43:17 EDT 2010
From: Eric Benard <eric at eukrea.com>
This boards integrates 64mB of DDR, a 256MB NAND flash, a RMII Ethernet PHY
and a i.MX257 CPU.
Signed-off-by: Eric Bénard <eric at eukrea.com>
---
v2:
- fix GPIO26 handling
- fix trailing whitespace
arch/arm/Makefile | 1 +
arch/arm/configs/eukrea_cpuimx25_defconfig | 247 +++++++++++++++++++++++
arch/arm/mach-imx/Kconfig | 10 +
board/eukrea_cpuimx25/Makefile | 24 +++
board/eukrea_cpuimx25/config.h | 27 +++
board/eukrea_cpuimx25/env/bin/_update | 36 ++++
board/eukrea_cpuimx25/env/bin/boot | 53 +++++
board/eukrea_cpuimx25/env/bin/hush_hack | 1 +
board/eukrea_cpuimx25/env/bin/init | 38 ++++
board/eukrea_cpuimx25/env/bin/update_kernel | 8 +
board/eukrea_cpuimx25/env/bin/update_root | 8 +
board/eukrea_cpuimx25/env/config | 26 +++
board/eukrea_cpuimx25/eukrea_cpuimx25.c | 280 +++++++++++++++++++++++++++
board/eukrea_cpuimx25/lowlevel_init.S | 135 +++++++++++++
14 files changed, 894 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/configs/eukrea_cpuimx25_defconfig
create mode 100644 board/eukrea_cpuimx25/Makefile
create mode 100644 board/eukrea_cpuimx25/config.h
create mode 100644 board/eukrea_cpuimx25/env/bin/_update
create mode 100644 board/eukrea_cpuimx25/env/bin/boot
create mode 100644 board/eukrea_cpuimx25/env/bin/hush_hack
create mode 100644 board/eukrea_cpuimx25/env/bin/init
create mode 100644 board/eukrea_cpuimx25/env/bin/update_kernel
create mode 100644 board/eukrea_cpuimx25/env/bin/update_root
create mode 100644 board/eukrea_cpuimx25/env/config
create mode 100644 board/eukrea_cpuimx25/eukrea_cpuimx25.c
create mode 100644 board/eukrea_cpuimx25/lowlevel_init.S
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index b1991c3..0bdce21 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -61,6 +61,7 @@ board-$(CONFIG_MACH_EDB9307A) := edb93xx
board-$(CONFIG_MACH_EDB93012) := edb93xx
board-$(CONFIG_MACH_EDB9315) := edb93xx
board-$(CONFIG_MACH_EDB9315A) := edb93xx
+board-$(CONFIG_MACH_EUKREA_CPUIMX25) := eukrea_cpuimx25
board-$(CONFIG_MACH_EUKREA_CPUIMX27) := eukrea_cpuimx27
board-$(CONFIG_MACH_FREESCALE_MX25_3STACK) := freescale-mx25-3-stack
board-$(CONFIG_MACH_FREESCALE_MX35_3STACK) := freescale-mx35-3-stack
diff --git a/arch/arm/configs/eukrea_cpuimx25_defconfig b/arch/arm/configs/eukrea_cpuimx25_defconfig
new file mode 100644
index 0000000..81f9c80
--- /dev/null
+++ b/arch/arm/configs/eukrea_cpuimx25_defconfig
@@ -0,0 +1,247 @@
+#
+# Automatically generated make config: don't edit
+# barebox version: 2010.03.0
+# Fri Mar 19 11:12:11 2010
+#
+# CONFIG_BOARD_LINKER_SCRIPT is not set
+CONFIG_GENERIC_LINKER_SCRIPT=y
+CONFIG_ARM=y
+
+#
+# System Type
+#
+# CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_AT91RM9200 is not set
+# CONFIG_ARCH_EP93XX is not set
+CONFIG_ARCH_IMX=y
+# CONFIG_ARCH_NETX is not set
+# CONFIG_ARCH_OMAP is not set
+# CONFIG_ARCH_S3C24xx is not set
+
+#
+# Processor Type
+#
+CONFIG_CPU_32=y
+CONFIG_CPU_ARM926T=y
+CONFIG_CPU_32v5=y
+
+#
+# processor features
+#
+CONFIG_ARCH_TEXT_BASE=0x83f00000
+CONFIG_BOARDINFO="Eukrea CPUIMX25"
+CONFIG_ARCH_HAS_FEC_IMX=y
+CONFIG_ARCH_IMX_INTERNAL_BOOT=y
+
+#
+# Freescale i.MX System-on-Chip
+#
+# CONFIG_ARCH_IMX1 is not set
+# CONFIG_ARCH_IMX21 is not set
+CONFIG_ARCH_IMX25=y
+# CONFIG_ARCH_IMX27 is not set
+# CONFIG_ARCH_IMX31 is not set
+# CONFIG_ARCH_IMX35 is not set
+CONFIG_MACH_EUKREA_CPUIMX25=y
+# CONFIG_MACH_FREESCALE_MX25_3STACK is not set
+
+#
+# Board specific settings
+#
+
+#
+# i.MX specific settings
+#
+# CONFIG_IMX_CLKO is not set
+# CONFIG_AEABI is not set
+
+#
+# Arm specific settings
+#
+CONFIG_CMD_ARM_CPUINFO=y
+CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS=y
+CONFIG_GREGORIAN_CALENDER=y
+CONFIG_HAS_KALLSYMS=y
+CONFIG_HAS_MODULES=y
+CONFIG_CMD_MEMORY=y
+CONFIG_ENV_HANDLING=y
+CONFIG_GENERIC_GPIO=y
+
+#
+# General Settings
+#
+CONFIG_LOCALVERSION_AUTO=y
+
+#
+# memory layout
+#
+CONFIG_HAVE_MMU=y
+CONFIG_MMU=y
+CONFIG_HAVE_CONFIGURABLE_TEXT_BASE=y
+CONFIG_TEXT_BASE=0x83f00000
+CONFIG_HAVE_CONFIGURABLE_MEMORY_LAYOUT=y
+CONFIG_MEMORY_LAYOUT_DEFAULT=y
+# CONFIG_MEMORY_LAYOUT_FIXED is not set
+CONFIG_STACK_SIZE=0x8000
+CONFIG_MALLOC_SIZE=0x1000000
+# CONFIG_BROKEN is not set
+# CONFIG_EXPERIMENTAL is not set
+CONFIG_MACH_HAS_LOWLEVEL_INIT=y
+CONFIG_MACH_DO_LOWLEVEL_INIT=y
+CONFIG_PROMPT="barebox:"
+CONFIG_BAUDRATE=115200
+# CONFIG_LONGHELP is not set
+CONFIG_CBSIZE=1024
+CONFIG_MAXARGS=16
+CONFIG_SHELL_HUSH=y
+# CONFIG_SHELL_SIMPLE is not set
+CONFIG_GLOB=y
+CONFIG_PROMPT_HUSH_PS2="cpuimx25>"
+CONFIG_CMDLINE_EDITING=y
+CONFIG_AUTO_COMPLETE=y
+CONFIG_DYNAMIC_CRC_TABLE=y
+# CONFIG_ERRNO_MESSAGES is not set
+CONFIG_TIMESTAMP=y
+CONFIG_CONSOLE_FULL=y
+CONFIG_CONSOLE_ACTIVATE_FIRST=y
+# CONFIG_OF_FLAT_TREE is not set
+CONFIG_PARTITION=y
+CONFIG_DEFAULT_ENVIRONMENT=y
+CONFIG_DEFAULT_ENVIRONMENT_PATH="board/eukrea_cpuimx25/env"
+
+#
+# Debugging
+#
+# CONFIG_DEBUG_INFO is not set
+# CONFIG_ENABLE_FLASH_NOISE is not set
+# CONFIG_ENABLE_PARTITION_NOISE is not set
+# CONFIG_ENABLE_DEVICE_NOISE is not set
+
+#
+# Commands
+#
+
+#
+# scripting
+#
+CONFIG_CMD_EDIT=y
+CONFIG_CMD_SLEEP=y
+CONFIG_CMD_SAVEENV=y
+CONFIG_CMD_LOADENV=y
+CONFIG_CMD_EXPORT=y
+CONFIG_CMD_PRINTENV=y
+CONFIG_CMD_READLINE=y
+CONFIG_CMD_TRUE=y
+CONFIG_CMD_FALSE=y
+
+#
+# file commands
+#
+CONFIG_CMD_LS=y
+CONFIG_CMD_RM=y
+CONFIG_CMD_CAT=y
+CONFIG_CMD_MKDIR=y
+CONFIG_CMD_RMDIR=y
+CONFIG_CMD_CP=y
+CONFIG_CMD_PWD=y
+CONFIG_CMD_CD=y
+CONFIG_CMD_MOUNT=y
+CONFIG_CMD_UMOUNT=y
+
+#
+# console
+#
+CONFIG_CMD_CLEAR=y
+CONFIG_CMD_ECHO=y
+
+#
+# memory
+#
+# CONFIG_CMD_LOADB is not set
+CONFIG_CMD_MEMINFO=y
+CONFIG_CMD_CRC=y
+CONFIG_CMD_MTEST=y
+# CONFIG_CMD_MTEST_ALTERNATIVE is not set
+
+#
+# flash
+#
+CONFIG_CMD_FLASH=y
+
+#
+# booting
+#
+CONFIG_CMD_BOOTM=y
+# CONFIG_CMD_BOOTM_ZLIB is not set
+# CONFIG_CMD_BOOTM_BZLIB is not set
+# CONFIG_CMD_BOOTM_SHOW_TYPE is not set
+CONFIG_CMD_BOOTZ=y
+CONFIG_CMD_BOOTU=y
+# CONFIG_CMD_LINUX16 is not set
+CONFIG_CMD_RESET=y
+CONFIG_CMD_GO=y
+CONFIG_CMD_TIMEOUT=y
+CONFIG_CMD_PARTITION=y
+CONFIG_CMD_TEST=y
+CONFIG_CMD_VERSION=y
+CONFIG_CMD_HELP=y
+CONFIG_CMD_DEVINFO=y
+CONFIG_CMD_BMP=y
+CONFIG_CMD_GPIO=y
+CONFIG_NET=y
+CONFIG_NET_DHCP=y
+# CONFIG_NET_RARP is not set
+# CONFIG_NET_NFS is not set
+CONFIG_NET_PING=y
+CONFIG_NET_TFTP=y
+
+#
+# Drivers
+#
+
+#
+# serial drivers
+#
+# CONFIG_DRIVER_SERIAL_ARM_DCC is not set
+CONFIG_DRIVER_SERIAL_IMX=y
+# CONFIG_DRIVER_SERIAL_NS16550 is not set
+CONFIG_MIIPHY=y
+
+#
+# Network drivers
+#
+# CONFIG_DRIVER_NET_SMC911X is not set
+# CONFIG_DRIVER_NET_SMC91111 is not set
+CONFIG_DRIVER_NET_FEC_IMX=y
+
+#
+# SPI drivers
+#
+# CONFIG_SPI is not set
+# CONFIG_I2C is not set
+
+#
+# flash drivers
+#
+# CONFIG_DRIVER_CFI is not set
+CONFIG_NAND=y
+CONFIG_NAND_IMX=y
+CONFIG_NAND_IMX_BOOT=y
+# CONFIG_MTD_NAND_VERIFY_WRITE is not set
+# CONFIG_MTD_NAND_ECC_SMC is not set
+CONFIG_MTD_NAND_IDS=y
+# CONFIG_ATA is not set
+# CONFIG_USB is not set
+# CONFIG_USB_GADGET is not set
+CONFIG_VIDEO=y
+CONFIG_DRIVER_VIDEO_IMX=y
+# CONFIG_IMXFB_DRIVER_VIDEO_IMX_OVERLAY is not set
+
+#
+# Filesystem support
+#
+# CONFIG_FS_CRAMFS is not set
+CONFIG_FS_RAMFS=y
+CONFIG_FS_DEVFS=y
+CONFIG_CRC32=y
+# CONFIG_GENERIC_FIND_NEXT_BIT is not set
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 02d5db9..419daab 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -2,6 +2,7 @@ if ARCH_IMX
config ARCH_TEXT_BASE
hex
+ default 0x83f00000 if MACH_EUKREA_CPUIMX25
default 0xa0000000 if MACH_EUKREA_CPUIMX27
default 0x08f00000 if MACH_MX1ADS
default 0xc0000000 if MACH_IMX21ADS
@@ -16,6 +17,7 @@ config ARCH_TEXT_BASE
default 0x08f80000 if MACH_SCB9328
config BOARDINFO
+ default "Eukrea CPUIMX25" if MACH_EUKREA_CPUIMX25
default "Eukrea CPUIMX27" if MACH_EUKREA_CPUIMX27
default "Freescale i.MX21 ADS" if MACH_IMX21ADS
default "Freescale i.MX27 ADS" if MACH_IMX27ADS
@@ -124,6 +126,14 @@ choice
prompt "i.MX25 Board Type"
+config MACH_EUKREA_CPUIMX25
+ bool "Eukrea CPUIMX25"
+ select MACH_HAS_LOWLEVEL_INIT
+ select HAVE_MMU
+ help
+ Say Y here if you are using the Eukrea Electromatique's CPUIMX25
+ equipped with a Freescale i.MX25 Processor
+
config MACH_FREESCALE_MX25_3STACK
bool "Freescale MX25 3stack"
select HAS_CFI
diff --git a/board/eukrea_cpuimx25/Makefile b/board/eukrea_cpuimx25/Makefile
new file mode 100644
index 0000000..562c2e8
--- /dev/null
+++ b/board/eukrea_cpuimx25/Makefile
@@ -0,0 +1,24 @@
+#
+# (C) 2010 Eukrea Electromatique, Eric Bénard <eric at eukrea.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
+#
+
+obj-y += lowlevel_init.o
+obj-y += eukrea_cpuimx25.o
diff --git a/board/eukrea_cpuimx25/config.h b/board/eukrea_cpuimx25/config.h
new file mode 100644
index 0000000..efff909
--- /dev/null
+++ b/board/eukrea_cpuimx25/config.h
@@ -0,0 +1,27 @@
+/*
+ * (c) 2010 Eukrea Electromatique, Eric Bénard <eric at eukrea.com>
+ *
+ * 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
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#define CONFIG_MX25_HCLK_FREQ 24000000
+
+#endif
+
+/* nothing to do here yet */
diff --git a/board/eukrea_cpuimx25/env/bin/_update b/board/eukrea_cpuimx25/env/bin/_update
new file mode 100644
index 0000000..014bce3
--- /dev/null
+++ b/board/eukrea_cpuimx25/env/bin/_update
@@ -0,0 +1,36 @@
+#!/bin/sh
+
+if [ -z "$part" -o -z "$image" ]; then
+ echo "define \$part and \$image"
+ exit 1
+fi
+
+if [ ! -e "$part" ]; then
+ echo "Partition $part does not exist"
+ exit 1
+fi
+
+if [ $# = 1 ]; then
+ image=$1
+fi
+
+if [ x$ip = xdhcp ]; then
+ dhcp
+fi
+
+ping $eth0.serverip
+if [ $? -ne 0 ] ; then
+ echo "update aborted"
+ exit 1
+fi
+
+unprotect $part
+
+echo
+echo "erasing partition $part"
+erase $part
+
+echo
+echo "flashing $image to $part"
+echo
+tftp $image $part
diff --git a/board/eukrea_cpuimx25/env/bin/boot b/board/eukrea_cpuimx25/env/bin/boot
new file mode 100644
index 0000000..3311114
--- /dev/null
+++ b/board/eukrea_cpuimx25/env/bin/boot
@@ -0,0 +1,53 @@
+#!/bin/sh
+
+. /env/config
+
+if [ x$1 = xjffS2 ]; then
+ root=jffs2
+ kernel=nand
+fi
+
+if [ x$1 = xubifs ]; then
+ root=ubifs
+ kernel=nand
+fi
+
+if [ x$1 = xnet ]; then
+ root=net
+ kernel=net
+fi
+
+if [ x$ip = xdhcp ]; then
+ bootargs="$bootargs ip=dhcp"
+else
+ if [ x$ip = xoff ]; then
+ bootargs="$bootargs ip=off"
+ else
+ bootargs="$bootargs ip=$eth0.ipaddr:$eth0.serverip:$eth0.gateway:$eth0.netmask:::"
+ fi
+fi
+
+if [ x$root = xjffs2 ]; then
+ bootargs="$bootargs root=/dev/mtdblock$rootpartnum_nand rootfstype=jffs2"
+fi
+
+if [ x$root = xubifs ]; then
+ bootargs="$bootargs root=ubi0:root ubi.mtd=$rootpartnum_nand rootfstype=ubifs"
+fi
+
+if [ x$root = xnet ]; then
+ bootargs="$bootargs root=/dev/nfs nfsroot=$eth0.serverip:$nfsroot,v3,tcp"
+fi
+
+bootargs="$bootargs mtdparts=mxc_nand:$nand_parts"
+
+if [ $kernel = net ]; then
+ if [ x$ip = xdhcp ]; then
+ dhcp
+ fi
+ tftp $uimage uImage || exit 1
+ bootm uImage
+else
+ bootm /dev/nand0.kernel.bb
+fi
+
diff --git a/board/eukrea_cpuimx25/env/bin/hush_hack b/board/eukrea_cpuimx25/env/bin/hush_hack
new file mode 100644
index 0000000..5fffa92
--- /dev/null
+++ b/board/eukrea_cpuimx25/env/bin/hush_hack
@@ -0,0 +1 @@
+nand -a /dev/nand0.*
diff --git a/board/eukrea_cpuimx25/env/bin/init b/board/eukrea_cpuimx25/env/bin/init
new file mode 100644
index 0000000..8bcc732
--- /dev/null
+++ b/board/eukrea_cpuimx25/env/bin/init
@@ -0,0 +1,38 @@
+#!/bin/sh
+
+PATH=/env/bin
+export PATH
+
+. /env/config
+if [ -e /dev/nand0 ]; then
+ addpart /dev/nand0 $nand_parts
+
+ # Uh, oh, hush first expands wildcards and then starts executing
+ # commands. What a bug!
+ source /env/bin/hush_hack
+fi
+
+if [ -f /env/logo.bmp ]; then
+ bmp /env/logo.bmp
+fi
+
+if [ -z $eth0.ethaddr ]; then
+ while [ -z $eth0.ethaddr ]; do
+ readline "no MAC address set for eth0. please enter the one found on your board: " eth0.ethaddr
+ done
+ echo -a /env/config "eth0.ethaddr=$eth0.ethaddr"
+ saveenv
+fi
+
+echo
+echo -n "Hit any key to stop autoboot: "
+timeout -a $autoboot_timeout
+if [ $? != 0 ]; then
+ echo
+ echo "type update_kernel [<imagename>] to update kernel into flash"
+ echo "type update_root [<imagename>] to update rootfs into flash"
+ echo
+ exit
+fi
+
+boot
diff --git a/board/eukrea_cpuimx25/env/bin/update_kernel b/board/eukrea_cpuimx25/env/bin/update_kernel
new file mode 100644
index 0000000..c2d2cc3
--- /dev/null
+++ b/board/eukrea_cpuimx25/env/bin/update_kernel
@@ -0,0 +1,8 @@
+#!/bin/sh
+
+. /env/config
+
+image=$uimage
+part=/dev/nand0.kernel.bb
+
+. /env/bin/_update $1
diff --git a/board/eukrea_cpuimx25/env/bin/update_root b/board/eukrea_cpuimx25/env/bin/update_root
new file mode 100644
index 0000000..dd89a5a
--- /dev/null
+++ b/board/eukrea_cpuimx25/env/bin/update_root
@@ -0,0 +1,8 @@
+#!/bin/sh
+
+. /env/config
+
+image=$rootfs
+part=/dev/nand0.root.bb
+
+. /env/bin/_update $1
diff --git a/board/eukrea_cpuimx25/env/config b/board/eukrea_cpuimx25/env/config
new file mode 100644
index 0000000..eb5fced
--- /dev/null
+++ b/board/eukrea_cpuimx25/env/config
@@ -0,0 +1,26 @@
+#!/bin/sh
+
+# can be either 'net' or 'jffs2' or 'ubifs'
+kernel=nand
+root=jffs2
+
+basedir=cpuimx25
+uimage=$basedir/uImage
+rootfs=$basedir/rootfs
+
+autoboot_timeout=1
+
+nfsroot=""
+bootargs="console=ttymxc0,115200"
+
+nand_parts="256k(barebox)ro,128k(bareboxenv),2176k(kernel),-(root)"
+rootpartnum_nand=3
+
+# use 'dhcp' to do dhcp in barebox and in kernel
+ip=dhcp
+
+# or set your networking parameters here
+#eth0.ipaddr=a.b.c.d
+#eth0.netmask=a.b.c.d
+#eth0.gateway=a.b.c.d
+eth0.serverip=192.168.1.15
diff --git a/board/eukrea_cpuimx25/eukrea_cpuimx25.c b/board/eukrea_cpuimx25/eukrea_cpuimx25.c
new file mode 100644
index 0000000..cddba97
--- /dev/null
+++ b/board/eukrea_cpuimx25/eukrea_cpuimx25.c
@@ -0,0 +1,280 @@
+/*
+ * (C) 2009 Pengutronix, Sascha Hauer <s.hauer at pengutronix.de>
+ * (c) 2010 Eukrea Electromatique, Eric Bénard <eric at eukrea.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 <common.h>
+#include <init.h>
+#include <driver.h>
+#include <environment.h>
+#include <mach/imx-regs.h>
+#include <asm/armlinux.h>
+#include <mach/gpio.h>
+#include <asm/io.h>
+#include <asm/mmu.h>
+
+#include <partition.h>
+#include <asm/mach-types.h>
+#include <mach/imx-nand.h>
+#include <mach/imxfb.h>
+#include <fec.h>
+#include <nand.h>
+#include <mach/imx-flash-header.h>
+#include <mach/iomux-mx25.h>
+
+extern unsigned long _stext;
+
+void __naked __flash_header_start go(void)
+{
+ __asm__ __volatile__("b exception_vectors\n");
+}
+
+struct imx_dcd_entry __dcd_entry_0x400 dcd_entry[] = {
+ { .ptr_type = 4, .addr = 0xb8001010, .val = 0x00000004, },
+ { .ptr_type = 4, .addr = 0xb8001000, .val = 0x92100000, },
+ { .ptr_type = 1, .addr = 0x80000400, .val = 0x12344321, },
+ { .ptr_type = 4, .addr = 0xb8001000, .val = 0xa2100000, },
+ { .ptr_type = 4, .addr = 0x80000000, .val = 0x12344321, },
+ { .ptr_type = 4, .addr = 0x80000000, .val = 0x12344321, },
+ { .ptr_type = 4, .addr = 0xb8001000, .val = 0xb2100000, },
+ { .ptr_type = 1, .addr = 0x80000033, .val = 0xda, },
+ { .ptr_type = 1, .addr = 0x81000000, .val = 0xff, },
+ { .ptr_type = 4, .addr = 0xb8001000, .val = 0x82216080, },
+ { .ptr_type = 4, .addr = 0xb8001004, .val = 0x00295729, },
+ { .ptr_type = 4, .addr = 0x53f80008, .val = 0x20034000, },
+};
+
+#define APP_DEST 0x80000000
+
+struct imx_flash_header __flash_header_0x400 eukrea_cpuimx25_header = {
+ .app_code_jump_vector = TEXT_BASE + 0x2000,
+ .app_code_barker = APP_CODE_BARKER,
+ .app_code_csf = 0,
+ .dcd_ptr_ptr = TEXT_BASE + 0x400 + offsetof(struct imx_flash_header, dcd),
+ .super_root_key = 0,
+ .dcd = TEXT_BASE + 0x400 + offsetof(struct imx_flash_header, dcd_barker),
+ .app_dest = TEXT_BASE,
+ .dcd_barker = DCD_BARKER,
+ .dcd_block_len = sizeof(dcd_entry),
+};
+
+extern unsigned long __bss_start;
+
+unsigned long __image_len_0x400 barebox_len = 0x40000;
+
+static struct fec_platform_data fec_info = {
+ .xcv_type = RMII,
+ .phy_addr = 1,
+};
+
+static struct device_d fec_dev = {
+ .name = "fec_imx",
+ .map_base = IMX_FEC_BASE,
+ .platform_data = &fec_info,
+};
+
+static struct memory_platform_data sdram_pdata = {
+ .name = "ram0",
+ .flags = DEVFS_RDWR,
+};
+
+static struct device_d sdram0_dev = {
+ .name = "mem",
+ .map_base = IMX_SDRAM_CS0,
+ .size = 64 * 1024 * 1024,
+ .platform_data = &sdram_pdata,
+};
+
+struct imx_nand_platform_data nand_info = {
+ .width = 1,
+ .hw_ecc = 1,
+};
+
+static struct device_d nand_dev = {
+ .name = "imx_nand",
+ .map_base = IMX_NFC_BASE,
+ .platform_data = &nand_info,
+};
+
+static struct imx_fb_videomode imxfb_mode = {
+ .mode = {
+ .name = "CMO-QVGA",
+ .refresh = 60,
+ .xres = 320,
+ .yres = 240,
+ .pixclock = KHZ2PICOS(6500),
+ .hsync_len = 30,
+ .left_margin = 38,
+ .right_margin = 20,
+ .vsync_len = 3,
+ .upper_margin = 15,
+ .lower_margin = 4,
+ },
+ .pcr = 0xCAD08B80,
+ .bpp = 16,
+};
+
+static struct imx_fb_platform_data eukrea_cpuimx25_fb_data = {
+ .mode = &imxfb_mode,
+ .pwmr = 0x00A903FF,
+ .lscr1 = 0x00120300,
+ .dmacr = 0x80040060,
+};
+
+
+static struct device_d imxfb_dev = {
+ .name = "imxfb",
+ .map_base = 0x53fbc000,
+ .size = 0x1000,
+ .platform_data = &eukrea_cpuimx25_fb_data,
+};
+
+#ifdef CONFIG_MMU
+static void eukrea_cpuimx25_mmu_init(void)
+{
+ mmu_init();
+
+ arm_create_section(0x80000000, 0x80000000, 128, PMD_SECT_DEF_CACHED);
+ arm_create_section(0x90000000, 0x80000000, 128, PMD_SECT_DEF_UNCACHED);
+
+ setup_dma_coherent(0x10000000);
+
+ mmu_enable();
+}
+#else
+static void eukrea_cpuimx25_mmu_init(void)
+{
+}
+#endif
+
+static struct pad_desc eukrea_cpuimx25_pads[] = {
+ MX25_PAD_FEC_MDC__MDC,
+ MX25_PAD_FEC_MDIO__MDIO,
+ MX25_PAD_FEC_RDATA0__RDATA0,
+ MX25_PAD_FEC_RDATA1__RDATA1,
+ MX25_PAD_FEC_RX_DV__RX_DV,
+ MX25_PAD_FEC_TDATA0__TDATA0,
+ MX25_PAD_FEC_TDATA1__TDATA1,
+ MX25_PAD_FEC_TX_CLK__TX_CLK,
+ MX25_PAD_FEC_TX_EN__TX_EN,
+ /* UART1 */
+ MX25_PAD_UART1_RXD__RXD_MUX,
+ MX25_PAD_UART1_TXD__TXD_MUX,
+ MX25_PAD_UART1_RTS__RTS,
+ MX25_PAD_UART1_CTS__CTS,
+ /* LCDC */
+ MX25_PAD_LD0__LCDC_LD0,
+ MX25_PAD_LD1__LCDC_LD1,
+ MX25_PAD_LD2__LCDC_LD2,
+ MX25_PAD_LD3__LCDC_LD3,
+ MX25_PAD_LD4__LCDC_LD4,
+ MX25_PAD_LD5__LCDC_LD5,
+ MX25_PAD_LD6__LCDC_LD6,
+ MX25_PAD_LD7__LCDC_LD7,
+ MX25_PAD_LD8__LCDC_LD8,
+ MX25_PAD_LD9__LCDC_LD9,
+ MX25_PAD_LD10__LCDC_LD10,
+ MX25_PAD_LD11__LCDC_LD11,
+ MX25_PAD_LD12__LCDC_LD12,
+ MX25_PAD_LD13__LCDC_LD13,
+ MX25_PAD_LD14__LCDC_LD14,
+ MX25_PAD_LD15__LCDC_LD15,
+ MX25_PAD_GPIO_E__LCDC_LD16,
+ MX25_PAD_GPIO_F__LCDC_LD17,
+ MX25_PAD_LSCLK__LCDC_LSCLK,
+ MX25_PAD_OE_ACD__LCDC_OE_ACD,
+ MX25_PAD_VSYNC__LCDC_VSYN,
+ MX25_PAD_HSYNC__LCDC_HSYN,
+ /* BACKLIGHT CONTROL */
+ MX25_PAD_PWM__GPIO26,
+};
+
+#define IOMUXC_BASE_ADDR 0x43FAC000
+#define GPIO1_BASE_ADDR 0x53FCC000
+#define GPIO_GDIR 0x04
+#define GPIO_DR 0x00
+
+static int eukrea_cpuimx25_devices_init(void)
+{
+ eukrea_cpuimx25_mmu_init();
+
+ mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx25_pads,
+ ARRAY_SIZE(eukrea_cpuimx25_pads));
+ register_device(&fec_dev);
+
+ nand_info.width = 1;
+ register_device(&nand_dev);
+
+ devfs_add_partition("nand0", 0x00000, 0x40000,
+ PARTITION_FIXED, "self_raw");
+ dev_add_bb_dev("self_raw", "self0");
+
+ devfs_add_partition("nand0", 0x40000, 0x40000,
+ PARTITION_FIXED, "env_raw");
+ dev_add_bb_dev("env_raw", "env0");
+
+ register_device(&sdram0_dev);
+
+ /* enable LCD */
+ gpio_direction_output(26, 1);
+ gpio_set_value(26, 1);
+
+ register_device(&imxfb_dev);
+
+ armlinux_add_dram(&sdram0_dev);
+ armlinux_set_bootparams((void *)0x80000100);
+ armlinux_set_architecture(MACH_TYPE_MX25_3DS);
+
+ return 0;
+}
+
+device_initcall(eukrea_cpuimx25_devices_init);
+
+static struct device_d eukrea_cpuimx25_serial_device = {
+ .name = "imx_serial",
+ .map_base = IMX_UART1_BASE,
+ .size = 16 * 1024,
+};
+
+static int eukrea_cpuimx25_console_init(void)
+{
+ writel(0x03010101, IMX_CCM_BASE + CCM_PCDR3);
+ register_device(&eukrea_cpuimx25_serial_device);
+ return 0;
+}
+
+console_initcall(eukrea_cpuimx25_console_init);
+
+#ifdef CONFIG_NAND_IMX_BOOT
+void __bare_init nand_boot(void)
+{
+ imx_nand_load_image((void *)TEXT_BASE, 256 * 1024);
+}
+#endif
+
+static int eukrea_cpuimx25_core_setup(void)
+{
+ writel(0x01010103, IMX_CCM_BASE + CCM_PCDR2);
+ return 0;
+
+}
+core_initcall(eukrea_cpuimx25_core_setup);
diff --git a/board/eukrea_cpuimx25/lowlevel_init.S b/board/eukrea_cpuimx25/lowlevel_init.S
new file mode 100644
index 0000000..7d326f7
--- /dev/null
+++ b/board/eukrea_cpuimx25/lowlevel_init.S
@@ -0,0 +1,135 @@
+/*
+ *
+ * (c) 2007 Pengutronix, Sascha Hauer <s.hauer at pengutronix.de>
+ * (c) 2010 Eukrea Electromatique, Eric Bénard <eric at eukrea.com>
+ * Init code taken from Freescale's u-boot sources.
+ *
+ * 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 <mach/imx-regs.h>
+#include <mach/imx-pll.h>
+#include <mach/esdctl.h>
+#include <asm/cache-l2x0.h>
+
+#define writel(val, reg) \
+ ldr r0, =reg; \
+ ldr r1, =val; \
+ str r1, [r0];
+
+#define writeb(val, reg) \
+ ldr r0, =reg; \
+ ldr r1, =val; \
+ strb r1, [r0];
+
+.section ".text_bare_init","ax"
+
+.globl board_init_lowlevel
+board_init_lowlevel:
+ mov r10, lr
+
+#define MX25_CCM_MCR 0x64
+#define MX25_CCM_CGR0 0x0c
+#define MX25_CCM_CGR1 0x10
+#define MX25_CCM_CGR2 0x14
+
+ /* AIPS setup - Only setup MPROTx registers. The PACR default values are good.
+ * Set all MPROTx to be non-bufferable, trusted for R/W,
+ * not forced to user-mode.
+ */
+ writel(0x77777777, 0x43f00000)
+ writel(0x77777777, 0x43f00004)
+ writel(0x77777777, 0x53f00000)
+ writel(0x77777777, 0x53f00004)
+
+ /* MAX (Multi-Layer AHB Crossbar Switch) setup
+ * MPR - priority for MX25 is (SDHC2/SDMA)>USBOTG>RTIC>IAHB>DAHB
+ */
+ writel(0x00002143, 0x43f04000)
+ writel(0x00002143, 0x43f04100)
+ writel(0x00002143, 0x43f04200)
+ writel(0x00002143, 0x43f04300)
+ writel(0x00002143, 0x43f04400)
+ /* SGPCR - always park on last master */
+ writel(0x10, 0x43f04010)
+ writel(0x10, 0x43f04110)
+ writel(0x10, 0x43f04210)
+ writel(0x10, 0x43f04310)
+ writel(0x10, 0x43f04410)
+ /* MGPCR - restore default values */
+ writel(0x0, 0x43f04800)
+ writel(0x0, 0x43f04900)
+ writel(0x0, 0x43f04a00)
+ writel(0x0, 0x43f04b00)
+ writel(0x0, 0x43f04c00)
+
+ /* Configure M3IF registers
+ * M3IF Control Register (M3IFCTL) for MX25
+ * MRRP[0] = LCDC on priority list (1 << 0) = 0x00000001
+ * MRRP[1] = MAX1 not on priority list (0 << 1) = 0x00000000
+ * MRRP[2] = MAX0 not on priority list (0 << 2) = 0x00000000
+ * MRRP[3] = USB HOST not on priority list (0 << 3) = 0x00000000
+ * MRRP[4] = SDMA not on priority list (0 << 4) = 0x00000000
+ * MRRP[5] = SD/ATA/FEC not on priority list (0 << 5) = 0x00000000
+ * MRRP[6] = SCMFBC not on priority list (0 << 6) = 0x00000000
+ * MRRP[7] = CSI not on priority list (0 << 7) = 0x00000000
+ * ----------
+ * 0x00000001
+ */
+ writel(0x1, 0xb8003000)
+
+ /* enable all the clocks */
+ writel(0x038A81A2, IMX_CCM_BASE + MX25_CCM_CGR0)
+ writel(0x24788F00, IMX_CCM_BASE + MX25_CCM_CGR1)
+ writel(0x00004438, IMX_CCM_BASE + MX25_CCM_CGR2)
+ writel(0x00, IMX_CCM_BASE + MX25_CCM_MCR)
+
+#ifdef CONFIG_NAND_IMX_BOOT
+ ldr sp, =0xa0f00000 /* Setup a temporary stack in SDRAM */
+
+ ldr r0, =IMX_NFC_BASE /* start of NFC SRAM */
+ ldr r2, =IMX_NFC_BASE + 0x1000 /* end of NFC SRAM */
+
+ /* skip NAND boot if not running from NFC space */
+ cmp pc, r0
+ bls ret
+ cmp pc, r2
+ bhi ret
+
+ /* Move ourselves out of NFC SRAM */
+ ldr r1, =TEXT_BASE
+
+copy_loop:
+ ldmia r0!, {r3-r9} /* copy from source address [r0] */
+ stmia r1!, {r3-r9} /* copy to target address [r1] */
+ cmp r0, r2 /* until source end addreee [r2] */
+ ble copy_loop
+
+ ldr pc, =1f /* Jump to SDRAM */
+1:
+ bl nand_boot /* Load barebox from NAND Flash */
+
+ ldr r1, =IMX_NFC_BASE - TEXT_BASE
+ sub r10, r10, r1 /* adjust return address from NFC SRAM */
+ /* to SDRAM */
+
+#endif /* CONFIG_NAND_IMX_BOOT */
+
+ret:
+ mov pc, r10
--
1.6.3.3
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