From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from smtp4-g21.free.fr ([212.27.42.4]) by bombadil.infradead.org with esmtp (Exim 4.69 #1 (Red Hat Linux)) id 1NsdAp-0000vi-Uh for barebox@lists.infradead.org; Fri, 19 Mar 2010 14:27:49 +0000 Received: from smtp4-g21.free.fr (localhost [127.0.0.1]) by smtp4-g21.free.fr (Postfix) with ESMTP id 047644C8070 for ; Fri, 19 Mar 2010 15:27:35 +0100 (CET) Received: from localhost.localdomain (pac33-2-82-240-38-71.fbx.proxad.net [82.240.38.71]) by smtp4-g21.free.fr (Postfix) with ESMTP id D4A704C811F for ; Fri, 19 Mar 2010 15:27:32 +0100 (CET) From: Eric Benard Date: Fri, 19 Mar 2010 15:27:31 +0100 Message-Id: <1269008851-16647-4-git-send-email-eric@eukrea.com> In-Reply-To: <1269008851-16647-3-git-send-email-eric@eukrea.com> References: <1269008851-16647-1-git-send-email-eric@eukrea.com> <1269008851-16647-2-git-send-email-eric@eukrea.com> <1269008851-16647-3-git-send-email-eric@eukrea.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 4/4] Add support for Eukrea's CPUIMX25 To: barebox@lists.infradead.org This boards integrates 64mB of DDR, a 256MB NAND flash, a RMII Ethernet PHY and a i.MX257 CPU. Signed-off-by: Eric Benard --- 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 | 25 +++ board/eukrea_cpuimx25/env/bin/_update | 36 ++++ board/eukrea_cpuimx25/env/bin/boot | 38 ++++ board/eukrea_cpuimx25/env/bin/hush_hack | 1 + board/eukrea_cpuimx25/env/bin/init | 34 +++ board/eukrea_cpuimx25/env/bin/update_kernel | 8 + board/eukrea_cpuimx25/env/bin/update_root | 9 + board/eukrea_cpuimx25/env/config | 26 +++ board/eukrea_cpuimx25/eukrea_cpuimx25.c | 290 +++++++++++++++++++++++++++ board/eukrea_cpuimx25/lowlevel_init.S | 135 +++++++++++++ 14 files changed, 884 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 fbbea42..1c141d1 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -60,6 +60,7 @@ 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..c335c14 --- /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 is not set +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 eeb392a..65310f0 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 @@ -15,6 +16,7 @@ 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 @@ -123,6 +125,14 @@ 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..9cc2fa5 --- /dev/null +++ b/board/eukrea_cpuimx25/Makefile @@ -0,0 +1,24 @@ +# +# (C) Copyright 2007 Juergen Beisert +# +# 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..460239d --- /dev/null +++ b/board/eukrea_cpuimx25/config.h @@ -0,0 +1,25 @@ +/* + * (C) Copyright 2007 Juergen Beisert + * + * 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 + +#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..fb7cbe8 --- /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..c8ee69a --- /dev/null +++ b/board/eukrea_cpuimx25/env/bin/boot @@ -0,0 +1,38 @@ +#!/bin/sh + +. /env/config + +if [ x$1 = xnand ]; then + root=nand + kernel=nand +fi + +if [ x$1 = xnet ]; then + root=net + kernel=net +fi + +if [ x$ip = xdhcp ]; then + bootargs="$bootargs ip=dhcp" +else + bootargs="$bootargs ip=$eth0.ipaddr:$eth0.serverip:$eth0.gateway:$eth0.netmask:::" +fi + +if [ x$root = xnand ]; then + bootargs="$bootargs root=$rootpart_nand rootfstype=jffs2" +else + bootargs="$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..0ddf5ef --- /dev/null +++ b/board/eukrea_cpuimx25/env/bin/init @@ -0,0 +1,34 @@ +#!/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 [ -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 [ $? != 0 ]; then + echo + echo "type update_kernel [] to update kernel into flash" + echo "type update_root [] to update rootfs into flash" + echo + exit +fi + +boot diff --git a/board/eukrea_cpuimx25/env/bin/update_kernel b/board/eukrea_cpuimx25/env/bin/update_kernel new file mode 100644 index 0000000..3215ab2 --- /dev/null +++ b/board/eukrea_cpuimx25/env/bin/update_kernel @@ -0,0 +1,8 @@ +#!/bin/sh + +. /env/config + +image=$uimage +part=/dev/nand0.kernel.bb + +. /env/bin/_update $2 diff --git a/board/eukrea_cpuimx25/env/bin/update_root b/board/eukrea_cpuimx25/env/bin/update_root new file mode 100644 index 0000000..ae59870 --- /dev/null +++ b/board/eukrea_cpuimx25/env/bin/update_root @@ -0,0 +1,9 @@ +#!/bin/sh + +. /env/config + +image=$uimage +part=/dev/nand0.root.bb + +. /env/bin/_update $2 + diff --git a/board/eukrea_cpuimx25/env/config b/board/eukrea_cpuimx25/env/config new file mode 100644 index 0000000..4a8b1bb --- /dev/null +++ b/board/eukrea_cpuimx25/env/config @@ -0,0 +1,26 @@ +#!/bin/sh + +# can be either 'net' or 'nand'' +kernel=nand +root=nand + +uimage=cpuimx25/uImage +jffs2=cpuimx25/rootfs.jffs2 + +autoboot_timeout=3 + +nfsroot="" +bootargs="console=ttymxc0,115200" + +nand_parts="256k(barebox)ro,128k(bareboxenv),2176k(kernel),-(root)" +rootpart_nand="/dev/mtdblock3" + +# 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 +#eth0.ethaddr= diff --git a/board/eukrea_cpuimx25/eukrea_cpuimx25.c b/board/eukrea_cpuimx25/eukrea_cpuimx25.c new file mode 100644 index 0000000..6f8a1f8 --- /dev/null +++ b/board/eukrea_cpuimx25/eukrea_cpuimx25.c @@ -0,0 +1,290 @@ +/* + * (C) 2009 Pengutronix, Sascha Hauer + * (c) 2010 Eukrea, Eric Benard + * + * 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 +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +extern unsigned long _stext; + +void __naked __flash_header_start go(void) +{ + __asm__ __volatile__("b _start\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 = APP_DEST + 0x1000, + .app_code_barker = APP_CODE_BARKER, + .app_code_csf = 0, + .dcd_ptr_ptr = APP_DEST + 0x400 + offsetof(struct imx_flash_header, dcd), + .super_root_key = 0, + .dcd = APP_DEST + 0x400 + offsetof(struct imx_flash_header, dcd_barker), + .app_dest = APP_DEST, + .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); + +#if TEXT_BASE & (0x100000 - 1) +#warning cannot create vector section. Adjust TEXT_BASE to a 1M boundary +#else + arm_create_section(0x0, TEXT_BASE, 1, PMD_SECT_DEF_UNCACHED); +#endif + 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, +}; + +#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) +{ + ulong val; + + 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); + + /* PAD PWM, MUX = GPIO1_26 */ + writel(0x5, IOMUXC_BASE_ADDR + 0x011C); + /* make the pins output */ + val = (1 << 26) | readl(GPIO1_BASE_ADDR + GPIO_GDIR); + writel(val, GPIO1_BASE_ADDR + GPIO_GDIR); + /* enable LCD */ + val = readl(GPIO1_BASE_ADDR + GPIO_DR) | (1 << 26); + writel(val, GPIO1_BASE_ADDR + GPIO_DR); + + 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..be86166 --- /dev/null +++ b/board/eukrea_cpuimx25/lowlevel_init.S @@ -0,0 +1,135 @@ +/* + * + * (c) 2007 Pengutronix, Sascha Hauer + * (c) 2010 Eukrea, Eric Benard + * 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 +#include +#include +#include + +#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 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox