Debian no impone requisitos de hardware más allá de los que establecen el núcleo Linux o kFreeBSD y el conjunto de herramientas GNU. En cualquier caso, cualquier arquitectura o plataforma a la que se haya adaptado el núcleo Linux o kFreeBSD, libc, gcc, etc., y para los que exista una adaptación de Debian, puede ejecutar Debian. Por favor, diríjase a las páginas de adaptaciones en http://www.debian.org/ports/arm/ para más información sobre sistemas de arquitectura 32-bit hard-float ARMv7 probados con Debian GNU/Linux.
En lugar de intentar describir las diferentes configuraciones de hardware compatibles con 32-bit hard-float ARMv7, esta sección contiene información general y referencias adicionales donde puede encontrar más información.
Debian GNU/Linux 8 supports ten major architectures and several variations of each architecture known as “flavors”.
|Arquitectura||Designación de Debian||Subarquitectura||Sabor|
|Basada en Intel x86||i386|
|AMD64 e Intel 64||amd64|
|ARM con hardware FPU||armhf||multiplatform||armmp|
|multiplatform for LPAE-capable systems||armmp-lpae|
|MIPS (big endian)||mips||SGI IP22 (Indy/Indigo 2)||r4k-ip22|
|SGI IP32 (O2)||r5k-ip32|
|MIPS Malta (32 bit)||4kc-malta|
|MIPS Malta (64 bit)||5kc-malta|
|MIPS (little endian)||mipsel||MIPS Malta (32 bit)||4kc-malta|
|MIPS Malta (64 bit)||5kc-malta|
|Power Systems||ppc64el||IBM POWER8 or newer machines|
|IBM S/390 64bit||s390x||IPL del lector VM y DASD||genérico|
Debian GNU/kFreeBSD 8 es compatible con dos arquitecturas:
|Arquitectura||Designación de Debian|
|Basada en Intel x86||kfreebsd-i386|
|AMD64 e Intel 64||kfreebsd-amd64|
Este documento cubre la instalación para la arquitectura 32-bit hard-float ARMv7 usando el núcleo Linux. Si busca información sobre cualquiera de las otras arquitecturas compatibles con Debian consulte las páginas de las adaptaciones de Debian.
The ARM architecture has evolved over time and modern ARM processors provide features which are not available in older models. Debian therefore provides three ARM ports to give the best support for a very wide range of different machines:
Debian/armel targets older 32-bit ARM processors without support for a hardware floating point unit (FPU),
Debian/armhf works only on newer 32-bit ARM processors which implement at least the ARMv7 architecture with version 3 of the ARM vector floating point specification (VFPv3). It makes use of the extended features and performance enhancements available on these models.
Debian/arm64 works on 64-bit ARM processors which implement at least the ARMv8 architecture.
Technically, all currently available ARM CPUs can be run in either endian mode (big or little), but in practice the vast majority use little-endian mode. All of Debian/arm64, Debian/armhf and Debian/armel support only little-endian systems.
ARM systems are much more heterogeneous than those based on the i386/amd64-based PC architecture, so the support situation can be much more complicated.
The ARM architecture is used mainly in so-called “system-on-chip” (SoC) designs. These SoCs are designed by many different companies with vastly varying hardware components even for the very basic functionality required to bring the system up. System firmware interfaces have been increasingly standardised over time, but especially on older hardware firmware/boot interfaces vary a great deal, so on these systems the Linux kernel has to take care of many system-specific low-level issues which would be handled by the mainboard's BIOS in the PC world.
At the beginning of the ARM support in the Linux kernel, the hardware variety resulted in the requirement of having a separate kernel for each ARM system in contrast to the “one-fits-all” kernel for PC systems. As this approach does not scale to a large number of different systems, work was done to allow booting with a single ARM kernel that can run on different ARM systems. Support for newer ARM systems is now implemented in a way that allows the use of such a multiplatform kernel, but for several older systems a separate specific kernel is still required. Because of this, the standard Debian distribution only supports installation on a selected number of such older ARM systems, alongside the newer systems which are supported by the ARM multiplatform kernels (called 'armmp') in Debian/armhf.
The following systems are known to work with Debian/armhf using the multiplatform (armmp) kernel:
The IMX53QSB is a development board based on the i.MX53 SoC.
The Versatile Express is a development board series from ARM consisting of a baseboard which can be equipped with various CPU daughter boards.
The armmp kernel supports several development boards and embedded systems based on the Allwinner A10 (architecture codename “sun4i”), A10s/A13 (architecture codename “sun5i”) and A20 (architecture codename “sun7i”) SoCs. Full installer support is currently available for the following sunXi-based systems:
Cubietech Cubieboard 1 + 2 / Cubietruck
LeMaker Banana Pi and Banana Pro
LinkSprite pcDuino and pcDuino3
Olimex A10-Olinuxino-LIME / A10s-Olinuxino Micro / A13-Olinuxino / A13-Olinuxino Micro / A20-Olinuxino-LIME / A20-Olinuxino-LIME2 / A20-Olinuxino Micro
PineRiver Mini X-Plus
System support for Allwinner sunXi-based devices is limited to drivers and device-tree information available in the mainline Linux kernel. The android-derived linux-sunxi.org 3.4 kernel series is not supported by Debian.
The mainline Linux kernel generally supports serial console, ethernet, SATA, USB and MMC/SD-cards on Allwinner A10, A10s/A13 and A20 SoCs, but it does not have native drivers for the display (HDMI/VGA/LCD) and audio hardware in these SoCs. The NAND flash memory that is built into some sunXi-based systems is not supported.
Using a local display is technically possible without native display drivers via the “simplefb” infrastructure in the mainline kernel, which relies on the “U-Boot” bootloader for initialising the display hardware, but this is not supported by the U-Boot version in Debian 8.
The Cubox-i series is a set of small, cubical-shaped systems based on the Freescale i.MX6 SoC family. System support for the Cubox-i series is limited to drivers and device-tree information available in the mainline Linux kernel; the Freescale 3.0 kernel series for the Cubox-i is not supported by Debian. Available drivers in the mainline kernel include serial console, ethernet, USB, MMC/SD-card and display support over HDMI (console and X11). In addition to that, the eSATA port on the Cubox-i4Pro is supported.
The Wandboard Quad is a development board based on the Freescale i.MX6 Quad SoC. System support for it is limited to drivers and device-tree information available in the mainline Linux kernel; the wandboard-specific 3.0 and 3.10 kernel series from wandboard.org are not supported by Debian. The mainline kernel includes driver support for serial console, display via HDMI (console and X11), ethernet, USB, MMC/SD and SATA. Support for the onboard audio options (analog, S/PDIF, HDMI-Audio) and for the onboard WLAN/Bluetooth module is not available in Debian 8.
Generally, the ARM multiplatform support in the Linux kernel allows running
debian-installer on armhf systems not explicitly listed above, as long as the kernel used by
debian-installer has support for the target system's components and a device-tree file for the target is available. In these cases, the installer can usually provide a working installation, but it may not be able to automatically make the system bootable. Doing that in many cases requires device-specific information.
debian-installer on such systems, you may have to manually make the system bootable at the end of the installation, e.g. by running the required commands in a shell started from within
The EfikaMX platform (Genesi Efika Smartbook and Genesi EfikaMX nettop) was supported in Debian 7 with a platform-specific kernel, but is no longer supported from Debian 8 onwards. The code required to build the formerly used platform-specific kernel has been removed from the upstream Linux kernel source in 2012, so Debian cannot provide newer builds. Using the armmp multiplatform kernel on the EfikaMX platform would require device-tree support for it, which is currently not available.
Se permite el uso de múltiples procesadores (también llamado “multi-procesamiento simétrico” o SMP) con esta arquitectura. La imagen estándar del núcleo de Debian 8 ha sido compilada con compatibilidad con SMP-alternatives. Esto implica que el núcleo detectará el número de procesadores (o núcleos de procesador) y desactivará SMP de forma automática para sistemas de un solo procesador.
Having multiple processors in a computer was originally only an issue for high-end server systems but has become common in recent years nearly everywhere with the introduction of so called “multi-core” processors. These contain two or more processor units, called “cores”, in one physical chip.
Debian's support for graphical interfaces is determined by the underlying support found in X.Org's X11 system, and the kernel. Basic framebuffer graphics is provided by the kernel, whilst desktop environments use X11. Whether advanced graphics card features such as 3D-hardware acceleration or hardware-accelerated video are available, depends on the actual graphics hardware used in the system and in some cases on the installation of additional “firmware” images (see Sección 2.2, “Dispositivos que requieren Firmware”).
Nearly all ARM machines have the graphics hardware built-in, rather than being on a plug-in card. Some machines do have expansion slots which will take graphics cards, but that is a rarity. Hardware designed to be headless with no graphics at all is quite common. Whilst basic framebuffer video provided by the kernel should work on all devices that have graphics, fast 3D graphics invariably needs binary drivers to work. The situation is changing quickly but at the time of the jessie release free drivers for nouveau (Nvidia Tegra K1 SoC) and freedreno (Qualcomm Snapdragon SoCs) are available in the release. Other hardware needs non-free drivers from 3rd parties.
Details on supported graphics hardware and pointing devices can be found at http://xorg.freedesktop.org/. Debian 8 ships with X.Org version 7.7.
Casi cualquier tarjeta de interfaz de red (también llamadas «network interface card» o NIC, n. del t.) compatible con el núcleo de Linux es también compatible con el sistema de instalación. Por regla general, los controladores modulares se cargarán automáticamente.
Para 32-bit hard-float ARMv7, la mayoría de dispositivos incorporados Ethernet son compatibles, y se proporcionan módulos para dispositivos adicionales PCI e USB.