Marvell system controllers

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Galileo GT64010

GT-64010/64010A PCI Interface and System Controller for MIPS 4600/4650/4700/5000/5260/5270. The GT-64010 single-chip PCI-system controller offers a 64-bit SysAD CPU interface, a 4-channel DMA controller, a EDO/FPM DRAM and devices controller, 4-channel Timer, and a PCI interface. This chip is used in the Cisco 3600 and 7200 routers.

GT-64012 is a Cache Controller.

GT-64011 PCI Interface and System Controller for IDT 4640/50 CPUs with 32-bit SysAD bus. This chip is used also in Cobalt RaQ with RM5230 CPU.

GT-64014 is a Low Cost Single-Chip System Controller for R4640 CPUs w/o PCI bus.

GT-32011 is low-cost system controller designed for use with the IDT RC30xx RISController. The GT32011 offers memory control, DMA interfaces, timers and system control logic.

Galileo GT64060

GT-64060 PCIntegrator : High-Integration PCI Bridge/Memory Controller

Galileo GT64120


The GT64120 from Galileo Technology Inc. (acquired by Marvell in 2001) are designed to connect a high speed processor SysAD bus to peripheral devices. It connects the CPU to an asynchronous local device bus which is used to interface with the boot EPROM, Serial I/O, and Flash memory. It also has a built-in DRAM controller for interfacing the processor to the onboard SDRAM main memory with minimal glue logic. In addition, the chip provides a CPU bus to PCI bus bridge.

This chip is used in the MIPS Malta, IDT7M9535 IDT7M9536 IDT7M9537 evaluation boards, Galileo EV-64120 evaluation boards and in the Cisco 2800, 3745 and 7200 routers.

Galileo GT-64111

GT-64111 is a Universal PCI System Controller for 64-bit MIPS CPUs (32-bit SysAD bus) w/ Integrated EDO DRAM Controller. Supports QED RM523x, IDT RC4640/50 and NEC VR4300. This device contains all the key system peripherals needed to build a 64-bit MIPS system: DRAM controller, device controller, four DMA engines, one 32-bit wide timer/counter and three 24-bit wide timer/counters, and a PCI 2.1 interface.

This chip is used in Cobalt RaQ2.

GT-64115 supports SDRAM. This chip is used in the LASAT firewall.

Marvell Discovery GT-64241/242

Marvell's Discovery GT-64241 is a system controller offering a 72-bit SDRAM memory controller, I2C and interrupt controllers, PCI bridge and arbiter, dual 10/100 Mbps Ethernet controllers, two multi-protocol serial channels, and dual 32-bit PCI bus. The GT-64242 also offers a 72-bit SDRAM memory controller, I2C and interrupt controllers, PCI bridge and arbiter with a single 32/64-bit PCI bus, and is targeted for system solutions that do not require integrated communications functionality. The Discovery GT-64241/242 devices support the MIPS processor traditional SysAD bus as well as the extended PMC-Sierra MIPS R7000 bus protocols.

Galileo Discovery GT64260

Marvell Discovery II MV64340

Ocelot C, Jaguar_ATX

Marvell Discovery III MV64440


Marvell Horizon

The Marvell Horizon GT-96100A communications controller is a single-chip controller for 64-bit MIPS CPUs including the PMC Sierra RM52x1A and RM7000A/B/C RM7000A/B/C. Key features:

  • 64-bit SysAD CPU interface
  • SDRAM 64-bit memory controller with up to 4GB memory space, ECC
  • two 32-bit or one 64-bit PCI 2.1 bus
  • Backward software compatibility with GT-64010A, GT-64011, GT-64120
  • 2 10/100 Ethernet MAC controllers
  • 20 Serial DMA channels
  • 8 Multi Protocol Serial Controllers
  • 4 FlexTDM channels

Marvell Horizon III

The Marvell Horizon III family consists of two products: the Horizon-MV96340 supporting 64 Bit MIPS microprocessors and the Horizon-MV96360 supporting 64-bit PowerPC microprocessors.

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