[PATCH v2] arm: mvebu: Convert CRS305-1G-4S board to CRS3xx-98DX3236

Stefan Roese sr at denx.de
Tue May 26 16:15:17 CEST 2020


Hi Luka,

On 07.05.20 21:32, Luka Kovacic wrote:
> Convert the CRS305-1G-4S board to CRS3xx-98DX3236 to enable easier
> implementation of new CRS3xx series boards, based on Marvell Prestera
> 98DX3236.
> 
> Signed-off-by: Luka Kovacic <luka.kovacic at sartura.hr>
> Cc: Luka Perkov <luka.perkov at sartura.hr>
> Cc: Jakov Petrina <jakov.petrina at sartura.hr>
> ---
> Changes for v2:
>     - Fix the patch failing to merge into the current U-Boot tree

This does not apply anymore and its a bit too late in the release cycle
for such restructuring (sorry for the delay). Please re-submit shortly
before the next merge window opens and I'll try to pull it quickly.

Thanks,
Stefan

>   arch/arm/dts/armada-xp-crs305-1g-4s.dts       | 103 +---------------
>   arch/arm/dts/armada-xp-crs305-1g-4s.dtsi      | 111 ++++++++++++++++++
>   arch/arm/mach-mvebu/Kconfig                   |  10 +-
>   board/mikrotik/crs305-1g-4s/MAINTAINERS       |   7 --
>   .../.gitignore                                |   0
>   board/mikrotik/crs3xx-98dx3236/MAINTAINERS    |  11 ++
>   .../Makefile                                  |   2 +-
>   .../{crs305-1g-4s => crs3xx-98dx3236}/README  |  12 +-
>   .../binary.0                                  |   0
>   .../crs3xx-98dx3236.c}                        |   0
>   .../kwbimage.cfg.in                           |   2 +-
>   configs/crs305-1g-4s_defconfig                |  44 +++----
>   .../{crs305-1g-4s.h => crs3xx-98dx3236.h}     |   6 +-
>   13 files changed, 165 insertions(+), 143 deletions(-)
>   create mode 100644 arch/arm/dts/armada-xp-crs305-1g-4s.dtsi
>   delete mode 100644 board/mikrotik/crs305-1g-4s/MAINTAINERS
>   rename board/mikrotik/{crs305-1g-4s => crs3xx-98dx3236}/.gitignore (100%)
>   create mode 100644 board/mikrotik/crs3xx-98dx3236/MAINTAINERS
>   rename board/mikrotik/{crs305-1g-4s => crs3xx-98dx3236}/Makefile (93%)
>   rename board/mikrotik/{crs305-1g-4s => crs3xx-98dx3236}/README (64%)
>   rename board/mikrotik/{crs305-1g-4s => crs3xx-98dx3236}/binary.0 (100%)
>   rename board/mikrotik/{crs305-1g-4s/crs305-1g-4s.c => crs3xx-98dx3236/crs3xx-98dx3236.c} (100%)
>   rename board/mikrotik/{crs305-1g-4s => crs3xx-98dx3236}/kwbimage.cfg.in (75%)
>   rename include/configs/{crs305-1g-4s.h => crs3xx-98dx3236.h} (87%)
> 
> diff --git a/arch/arm/dts/armada-xp-crs305-1g-4s.dts b/arch/arm/dts/armada-xp-crs305-1g-4s.dts
> index 1116f5c96c..010b83b542 100644
> --- a/arch/arm/dts/armada-xp-crs305-1g-4s.dts
> +++ b/arch/arm/dts/armada-xp-crs305-1g-4s.dts
> @@ -1,110 +1,17 @@
>   // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
>   /*
> - * Device Tree file for CRS305-1G-4S board
> + * Device Tree file for MikroTik CRS305-1G-4S+ board
>    *
> - * Copyright (C) 2016 Allied Telesis Labs
> - *
> - * Based on armada-xp-db.dts
> - *
> - * Note: this Device Tree assumes that the bootloader has remapped the
> - * internal registers to 0xf1000000 (instead of the default
> - * 0xd0000000). The 0xf1000000 is the default used by the recent,
> - * DT-capable, U-Boot bootloaders provided by Marvell. Some earlier
> - * boards were delivered with an older version of the bootloader that
> - * left internal registers mapped at 0xd0000000. If you are in this
> - * situation, you should either update your bootloader (preferred
> - * solution) or the below Device Tree should be adjusted.
> + * Copyright (C) 2020 Sartura Ltd.
> + * Author: Luka Kovacic <luka.kovacic at sartura.hr>
>    */
>   
> -/dts-v1/;
> -#include "armada-xp-98dx3236.dtsi"
> -#include "armada-xp-crs305-1g-4s-u-boot.dtsi"
> +#include "armada-xp-crs305-1g-4s.dtsi"
>   
>   / {
> -	model = "CRS305-1G-4S";
> -	compatible = "marvell,armadaxp-98dx3236", "marvell,armadaxp-mv78260", "marvell,armadaxp", "marvell,armada-370-xp";
> -
> -	chosen {
> -		stdout-path = "serial0:115200n8";
> -		bootargs = "console=ttyS0,115200 earlyprintk";
> -	};
> -
> -	aliases {
> -		spi0 = &spi0;
> -	};
> -
> -	memory {
> -		device_type = "memory";
> -		reg = <0 0x00000000 0 0x20000000>; /* 512 MB */
> -	};
> -};
> -
> -&L2 {
> -	arm,parity-enable;
> -	marvell,ecc-enable;
> -};
> -
> -&devbus_bootcs {
> -	status = "okay";
> -
> -	/* Device Bus parameters are required */
> -
> -	/* Read parameters */
> -	devbus,bus-width    = <16>;
> -	devbus,turn-off-ps  = <60000>;
> -	devbus,badr-skew-ps = <0>;
> -	devbus,acc-first-ps = <124000>;
> -	devbus,acc-next-ps  = <248000>;
> -	devbus,rd-setup-ps  = <0>;
> -	devbus,rd-hold-ps   = <0>;
> -
> -	/* Write parameters */
> -	devbus,sync-enable = <0>;
> -	devbus,wr-high-ps  = <60000>;
> -	devbus,wr-low-ps   = <60000>;
> -	devbus,ale-wr-ps   = <60000>;
> -};
> -
> -&uart0 {
> -	status = "okay";
> -};
> -
> -&uart1 {
> -	status = "okay";
> -};
> -
> -&i2c0 {
> -	clock-frequency = <100000>;
> -	status = "okay";
> -};
> -
> -&usb0 {
> -	status = "okay";
> +	model = "MikroTik CRS305-1G-4S+";
>   };
>   
>   &spi0 {
>   	status = "okay";
> -
> -	spi-flash at 0 {
> -		#address-cells = <1>;
> -		#size-cells = <1>;
> -		compatible = "spi-flash", "jedec,spi-nor";
> -		reg = <0>; /* Chip select 0 */
> -		spi-max-frequency = <108000000>;
> -		m25p,fast-read;
> -
> -		partition at u-boot {
> -			reg = <0x00000000 0x00100000>;
> -			label = "u-boot";
> -		};
> -		partition at u-boot-env {
> -			reg = <0x00100000 0x00040000>;
> -			label = "u-boot-env";
> -		};
> -		partition at unused {
> -			reg = <0x00140000 0x00ec0000>;
> -			label = "unused";
> -		};
> -
> -	};
>   };
> diff --git a/arch/arm/dts/armada-xp-crs305-1g-4s.dtsi b/arch/arm/dts/armada-xp-crs305-1g-4s.dtsi
> new file mode 100644
> index 0000000000..c8839eac94
> --- /dev/null
> +++ b/arch/arm/dts/armada-xp-crs305-1g-4s.dtsi
> @@ -0,0 +1,111 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Device Tree file for CRS305-1G-4S board
> + *
> + * Copyright (C) 2016 Allied Telesis Labs
> + * Copyright (C) 2020 Sartura Ltd.
> + *
> + * Based on armada-xp-db.dts
> + *
> + * Note: this Device Tree assumes that the bootloader has remapped the
> + * internal registers to 0xf1000000 (instead of the default
> + * 0xd0000000). The 0xf1000000 is the default used by the recent,
> + * DT-capable, U-Boot bootloaders provided by Marvell. Some earlier
> + * boards were delivered with an older version of the bootloader that
> + * left internal registers mapped at 0xd0000000. If you are in this
> + * situation, you should either update your bootloader (preferred
> + * solution) or the below Device Tree should be adjusted.
> + */
> +
> +/dts-v1/;
> +#include "armada-xp-98dx3236.dtsi"
> +#include "armada-xp-crs305-1g-4s-u-boot.dtsi"
> +
> +/ {
> +	model = "CRS305-1G-4S+";
> +	compatible = "marvell,armadaxp-98dx3236", "marvell,armadaxp-mv78260", "marvell,armadaxp", "marvell,armada-370-xp";
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +		bootargs = "console=ttyS0,115200 earlyprintk";
> +	};
> +
> +	aliases {
> +		spi0 = &spi0;
> +	};
> +
> +	memory {
> +		device_type = "memory";
> +		reg = <0 0x00000000 0 0x20000000>; /* 512 MB */
> +	};
> +};
> +
> +&L2 {
> +	arm,parity-enable;
> +	marvell,ecc-enable;
> +};
> +
> +&devbus_bootcs {
> +	status = "okay";
> +
> +	/* Device Bus parameters are required */
> +
> +	/* Read parameters */
> +	devbus,bus-width    = <16>;
> +	devbus,turn-off-ps  = <60000>;
> +	devbus,badr-skew-ps = <0>;
> +	devbus,acc-first-ps = <124000>;
> +	devbus,acc-next-ps  = <248000>;
> +	devbus,rd-setup-ps  = <0>;
> +	devbus,rd-hold-ps   = <0>;
> +
> +	/* Write parameters */
> +	devbus,sync-enable = <0>;
> +	devbus,wr-high-ps  = <60000>;
> +	devbus,wr-low-ps   = <60000>;
> +	devbus,ale-wr-ps   = <60000>;
> +};
> +
> +&uart0 {
> +	status = "okay";
> +};
> +
> +&uart1 {
> +	status = "okay";
> +};
> +
> +&i2c0 {
> +	clock-frequency = <100000>;
> +	status = "okay";
> +};
> +
> +&usb0 {
> +	status = "okay";
> +};
> +
> +&spi0 {
> +	status = "okay";
> +
> +	spi-flash at 0 {
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		compatible = "spi-flash", "jedec,spi-nor";
> +		reg = <0>; /* Chip select 0 */
> +		spi-max-frequency = <108000000>;
> +		m25p,fast-read;
> +
> +		partition at u-boot {
> +			reg = <0x00000000 0x00080000>;
> +			label = "u-boot";
> +		};
> +		partition at u-boot-env {
> +			reg = <0x00080000 0x00010000>;
> +			label = "u-boot-env";
> +		};
> +		partition at firmware {
> +			reg = <0x00090000 0x00f70000>;
> +			label = "firmware";
> +		};
> +
> +	};
> +};
> diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig
> index 645990b3ef..0d8e0922a2 100644
> --- a/arch/arm/mach-mvebu/Kconfig
> +++ b/arch/arm/mach-mvebu/Kconfig
> @@ -165,8 +165,8 @@ config TARGET_DB_XC3_24G4XG
>   	bool "Support DB-XC3-24G4XG"
>   	select 98DX3336
>   
> -config TARGET_CRS305_1G_4S
> -	bool "Support CRS305-1G-4S"
> +config TARGET_CRS3XX_98DX3236
> +	bool "Support CRS3XX-98DX3236"
>   	select 98DX3236
>   
>   endchoice
> @@ -188,7 +188,7 @@ config SYS_BOARD
>   	default "a38x" if TARGET_CONTROLCENTERDC
>   	default "x530" if TARGET_X530
>   	default "db-xc3-24g4xg" if TARGET_DB_XC3_24G4XG
> -	default "crs305-1g-4s" if TARGET_CRS305_1G_4S
> +	default "crs3xx-98dx3236" if TARGET_CRS3XX_98DX3236
>   
>   config SYS_CONFIG_NAME
>   	default "clearfog" if TARGET_CLEARFOG
> @@ -207,7 +207,7 @@ config SYS_CONFIG_NAME
>   	default "controlcenterdc" if TARGET_CONTROLCENTERDC
>   	default "x530" if TARGET_X530
>   	default "db-xc3-24g4xg" if TARGET_DB_XC3_24G4XG
> -	default "crs305-1g-4s" if TARGET_CRS305_1G_4S
> +	default "crs3xx-98dx3236" if TARGET_CRS3XX_98DX3236
>   
>   config SYS_VENDOR
>   	default "Marvell" if TARGET_DB_MV784MP_GP
> @@ -225,7 +225,7 @@ config SYS_VENDOR
>   	default "CZ.NIC" if TARGET_TURRIS_MOX
>   	default "gdsys" if TARGET_CONTROLCENTERDC
>   	default "alliedtelesis" if TARGET_X530
> -	default "mikrotik" if TARGET_CRS305_1G_4S
> +	default "mikrotik" if TARGET_CRS3XX_98DX3236
>   
>   config SYS_SOC
>   	default "mvebu"
> diff --git a/board/mikrotik/crs305-1g-4s/MAINTAINERS b/board/mikrotik/crs305-1g-4s/MAINTAINERS
> deleted file mode 100644
> index 3823489600..0000000000
> --- a/board/mikrotik/crs305-1g-4s/MAINTAINERS
> +++ /dev/null
> @@ -1,7 +0,0 @@
> -CRS305-1G-4S BOARD
> -M:	Luka Kovacic <me at lukakovacic.xyz>
> -S:	Maintained
> -F:	board/mikrotik/crs305-1g-4s/
> -F:	include/configs/crs305-1g-4s.h
> -F:	configs/crs305-1g-4s_defconfig
> -F:	arch/arm/dts/armada-xp-crs305-1g-4s.dts
> diff --git a/board/mikrotik/crs305-1g-4s/.gitignore b/board/mikrotik/crs3xx-98dx3236/.gitignore
> similarity index 100%
> rename from board/mikrotik/crs305-1g-4s/.gitignore
> rename to board/mikrotik/crs3xx-98dx3236/.gitignore
> diff --git a/board/mikrotik/crs3xx-98dx3236/MAINTAINERS b/board/mikrotik/crs3xx-98dx3236/MAINTAINERS
> new file mode 100644
> index 0000000000..127e0eac60
> --- /dev/null
> +++ b/board/mikrotik/crs3xx-98dx3236/MAINTAINERS
> @@ -0,0 +1,11 @@
> +CRS3XX-98DX3236 BOARD
> +M:	Luka Kovacic <luka.kovacic at sartura.hr>
> +S:	Maintained
> +F:	board/mikrotik/crs3xx-98dx3236/
> +F:	include/configs/crs3xx-98dx3236.h
> +
> +CRS305-1G-4S BOARD
> +M:	Luka Kovacic <luka.kovacic at sartura.hr>
> +S:	Maintained
> +F:	configs/crs305-1g-4s_defconfig
> +F:	arch/arm/dts/armada-xp-crs305-1g-4s.dts
> diff --git a/board/mikrotik/crs305-1g-4s/Makefile b/board/mikrotik/crs3xx-98dx3236/Makefile
> similarity index 93%
> rename from board/mikrotik/crs305-1g-4s/Makefile
> rename to board/mikrotik/crs3xx-98dx3236/Makefile
> index c03f534e48..0b2930d3e2 100644
> --- a/board/mikrotik/crs305-1g-4s/Makefile
> +++ b/board/mikrotik/crs3xx-98dx3236/Makefile
> @@ -2,7 +2,7 @@
>   #
>   # Copyright (C) 2015 Stefan Roese <sr at denx.de>
>   
> -obj-y	:= crs305-1g-4s.o
> +obj-y	:= crs3xx-98dx3236.o
>   extra-y	:= kwbimage.cfg
>   
>   quiet_cmd_sed = SED     $@
> diff --git a/board/mikrotik/crs305-1g-4s/README b/board/mikrotik/crs3xx-98dx3236/README
> similarity index 64%
> rename from board/mikrotik/crs305-1g-4s/README
> rename to board/mikrotik/crs3xx-98dx3236/README
> index f420aabfbf..952f774ab7 100644
> --- a/board/mikrotik/crs305-1g-4s/README
> +++ b/board/mikrotik/crs3xx-98dx3236/README
> @@ -1,13 +1,13 @@
> -MikroTik CRS305-1G-4S+IN
> +MikroTik CRS3XX-98DX3236
>   ========================
>   
> -CRS305-1G-4S+IN is a 4x SFP+ switch with a Gigabit Ethernet port for management.
> -Specifications:
> +CRS3XX-98DX3236 is a U-Boot port that supports a series of MikroTik switches
> +based on the Marvell Prestera 98DX3236 switch with an integrated CPU.
> +
> +Common specifications:
>    - Marvell Prestera 98DX3236 switch with an integrated ARMv7 CPU
>    - 512 MB DDR3 RAM
>    - UART @ 115200bps
> - - 4x SFP+
> - - Gigabit Ethernet (AR8033)
>    - 16 MB SPI flash (Winbond 25Q128JVSM)
>   
>   Currently supported hardware:
> @@ -15,7 +15,7 @@ Currently supported hardware:
>    - SPI boot, environment and load kernel
>   
>   Planned:
> - - Gigabit Ethernet support
> + - Gigabit Ethernet support (internal CPU <-> switch fabric connection)
>   
>   Getting binary.0
>   ================
> diff --git a/board/mikrotik/crs305-1g-4s/binary.0 b/board/mikrotik/crs3xx-98dx3236/binary.0
> similarity index 100%
> rename from board/mikrotik/crs305-1g-4s/binary.0
> rename to board/mikrotik/crs3xx-98dx3236/binary.0
> diff --git a/board/mikrotik/crs305-1g-4s/crs305-1g-4s.c b/board/mikrotik/crs3xx-98dx3236/crs3xx-98dx3236.c
> similarity index 100%
> rename from board/mikrotik/crs305-1g-4s/crs305-1g-4s.c
> rename to board/mikrotik/crs3xx-98dx3236/crs3xx-98dx3236.c
> diff --git a/board/mikrotik/crs305-1g-4s/kwbimage.cfg.in b/board/mikrotik/crs3xx-98dx3236/kwbimage.cfg.in
> similarity index 75%
> rename from board/mikrotik/crs305-1g-4s/kwbimage.cfg.in
> rename to board/mikrotik/crs3xx-98dx3236/kwbimage.cfg.in
> index 2dbbbd0246..9a58b33a6f 100644
> --- a/board/mikrotik/crs305-1g-4s/kwbimage.cfg.in
> +++ b/board/mikrotik/crs3xx-98dx3236/kwbimage.cfg.in
> @@ -9,4 +9,4 @@ VERSION		1
>   BOOT_FROM	spi
>   
>   # Binary Header (bin_hdr) with DDR3 training code
> -BINARY board/mikrotik/crs305-1g-4s/binary.0 0000005b 00000068
> +BINARY board/mikrotik/crs3xx-98dx3236/binary.0 0000005b 00000068
> diff --git a/configs/crs305-1g-4s_defconfig b/configs/crs305-1g-4s_defconfig
> index 3b513cc158..27043bf69a 100644
> --- a/configs/crs305-1g-4s_defconfig
> +++ b/configs/crs305-1g-4s_defconfig
> @@ -3,46 +3,46 @@ CONFIG_ARCH_CPU_INIT=y
>   CONFIG_ARCH_MVEBU=y
>   CONFIG_SYS_TEXT_BASE=0x00800000
>   CONFIG_SYS_MALLOC_F_LEN=0x2000
> -CONFIG_TARGET_CRS305_1G_4S=y
> +CONFIG_TARGET_CRS3XX_98DX3236=y
>   CONFIG_ENV_SIZE=0x10000
> -CONFIG_ENV_OFFSET=0x100000
> -CONFIG_ENV_SECT_SIZE=0x40000
> +CONFIG_ENV_SECT_SIZE=0x10000
> +CONFIG_ENV_OFFSET=0x80000
> +# CONFIG_EFI_LOADER is not set
>   CONFIG_BUILD_TARGET="u-boot.kwb"
>   CONFIG_USE_PREBOOT=y
>   CONFIG_SYS_CONSOLE_INFO_QUIET=y
> +CONFIG_AUTOBOOT_KEYED=y
> +CONFIG_AUTOBOOT_PROMPT="Autoboot in %d seconds, to stop use 's' key\n"
> +CONFIG_AUTOBOOT_STOP_STR="s"
> +CONFIG_AUTOBOOT_KEYED_CTRLC=y
>   CONFIG_CMD_BOOTZ=y
> -CONFIG_CMD_MEMTEST=y
> -CONFIG_SYS_ALT_MEMTEST=y
>   # CONFIG_CMD_FLASH is not set
> -CONFIG_CMD_I2C=y
> +# CONFIG_CMD_I2C is not set
>   CONFIG_CMD_SPI=y
> -# CONFIG_CMD_SETEXPR is not set
> -CONFIG_CMD_DHCP=y
> -CONFIG_CMD_TFTPPUT=y
> -CONFIG_CMD_MII=y
> -CONFIG_CMD_PING=y
>   CONFIG_CMD_CACHE=y
> -CONFIG_CMD_TIME=y
> -CONFIG_CMD_EXT2=y
> -CONFIG_CMD_EXT4=y
> -CONFIG_CMD_FAT=y
> -CONFIG_CMD_FS_GENERIC=y
> -CONFIG_CMD_UBI=y
> +# CONFIG_CMD_UBI is not set
> +CONFIG_CMD_MTD=y
> +CONFIG_CMD_MTDPARTS=y
>   CONFIG_DEFAULT_DEVICE_TREE="armada-xp-crs305-1g-4s"
>   CONFIG_ENV_IS_IN_SPI_FLASH=y
>   CONFIG_SYS_RELOC_GD_ENV_ADDR=y
>   CONFIG_BLK=y
> -CONFIG_DM_I2C=y
> -CONFIG_SYS_I2C_MVTWSI=y
> +# CONFIG_DM_I2C is not set
> +# CONFIG_SYS_I2C_MVTWSI is not set
>   # CONFIG_MMC is not set
>   CONFIG_MTD=y
> +CONFIG_MTD_PARTITIONS=y
>   CONFIG_DM_MTD=y
> +CONFIG_DM_SPI_FLASH=y
> +CONFIG_SPI_FLASH_MTD=y
>   CONFIG_SPI_FLASH_SFDP_SUPPORT=y
> -CONFIG_SPI_FLASH_MACRONIX=y
> -CONFIG_SPI_FLASH_STMICRO=y
> -CONFIG_SPI_FLASH_SST=y
> +CONFIG_SPI_FLASH_BAR=y
>   CONFIG_SPI_FLASH_WINBOND=y
>   # CONFIG_SPI_FLASH_USE_4K_SECTORS is not set
> +CONFIG_FIT=y
> +CONFIG_FIT_ENABLE_SHA256_SUPPORT=y
> +CONFIG_FIT_VERBOSE=y
> +CONFIG_FIT_BEST_MATCH=y
>   CONFIG_PCI=y
>   CONFIG_PCI_MVEBU=y
>   CONFIG_SYS_NS16550=y
> diff --git a/include/configs/crs305-1g-4s.h b/include/configs/crs3xx-98dx3236.h
> similarity index 87%
> rename from include/configs/crs305-1g-4s.h
> rename to include/configs/crs3xx-98dx3236.h
> index 617c8af83a..e2ba7b8126 100644
> --- a/include/configs/crs305-1g-4s.h
> +++ b/include/configs/crs3xx-98dx3236.h
> @@ -3,8 +3,8 @@
>    * Copyright (C) 2014 Stefan Roese <sr at denx.de>
>    */
>   
> -#ifndef _CONFIG_CRS305_1G_4S_H
> -#define _CONFIG_CRS305_1G_4S_H
> +#ifndef _CONFIG_CRS3XX_98DX3236_H
> +#define _CONFIG_CRS3XX_98DX3236_H
>   
>   /*
>    * High Level Configuration Options (easy to change)
> @@ -32,4 +32,4 @@
>   #undef CONFIG_SYS_MAXARGS
>   #define CONFIG_SYS_MAXARGS 96
>   
> -#endif /* _CONFIG_CRS305_1G_4S_H */
> +#endif /* _CONFIG_CRS3XX_98DX3236_H */
> 


Viele Grüße,
Stefan

-- 
DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-51 Fax: (+49)-8142-66989-80 Email: sr at denx.de


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