Date: Thu, 20 Oct 2016 12:25:23 -0700 From: Mark Millard <markmi@dsl-only.net> To: Kris Moore <kris@ixsystems.com> Cc: freebsd-arm@freebsd.org Subject: Re: Issue booting RPI2 B (v1.2) [V1.2 is BVM2837 and quad-core Cortex-A53 based] Message-ID: <1C2BA80D-FAB7-49D2-8D02-5CE1431953CF@dsl-only.net> In-Reply-To: <053B3B99-E4D9-4714-ACCF-AA846E1855CE@dsl-only.net> References: <ca0b4873-bea3-69e0-82b4-199e06bb4dee@ixsystems.com> <053B3B99-E4D9-4714-ACCF-AA846E1855CE@dsl-only.net>
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On 2016-Oct-20, at 12:08 PM, Mark Millard <markmi at dsl-only.net> = wrote: > On 2016-Oct-20, at 11:22 AM, Kris Moore <krisat ixsystems.com> wrote: >=20 >> I've been toying around with a bunch of RPI2's here (using >> 11.0-RELEASE), and so far so good. However I just ordered a new batch = of >> them and they all get stuck at the "rainbow" screen. After further >> investigation, I noticed that they were marked as "Raspberry Pi 2 = Model >> B V1.2", and all my other units are V1.1. Just for kicks, I tried >> rasbian, and that works fine. >>=20 >> Is this possibly an issue with U-Boot being too old for this = revision? >> Any other ideas? >>=20 >>=20 >> --=20 >> Kris Moore >> iXsystems >> Enterprise Storage & Servers Driven By Open Source >=20 > = https://www.element14.com/community/community/raspberry-pi/raspberrypi2 = says: >=20 >> Raspberry Pi 2 Model B v1.2 >=20 >> Previous versions of Raspberry Pi 2 Model B use the BCM2836 SoC, = which contains a quad-core ARM Cortex-A7 processor. The Raspberry Pi 2 = Model B v1.2 board uses BCM2837, which contains a quad-core ARM = Cortex-A53 processor. It is necessary to update to the latest (October = 2016) version of the device firmware and Linux kernel to allow the board = to boot up properly. >=20 > =3D=3D=3D > Mark Millard > markmi at dsl-only.net It is listed as out of stock but = http://www.mcmelectronics.com/product/83-17791 agrees in its = description: > The Raspberry Pi 2 V1.2 is a single-board computer developed in the UK = by the Raspberry Pi Foundation. >=20 > . . .=20 >=20 > The updated Raspberry Pi 2 Model B is designed around the Broadcom = BCM2837 SoC (same as the Pi 3) Quad Core ARMv8 processor running at 900 = MHz just like the original Pi 2. The rest of the board is identical to = the original, featuring a VideoCore IV GPU, 1 Gigabyte of RAM, 4 USB = ports, and 40 GPIO pins for expansion.=20 >=20 > Please note:Previous versions of Raspberry Pi 2 Model B use the = BCM2836 SoC, which contains a quad-core ARM Cortex-A7 processor. The = Raspberry Pi 2 Model B v1.2 board uses BCM2837, which contains a = quad-core ARM Cortex-A53 processor. It is necessary to update to the = latest (October 2016) version of the device firmware and Linux kernel to = allow the board to boot up properly >=20 > Board Specifications >=20 > =E2=80=A2 Processor: Quad-core BCM2837 ARMv8 CPU running at = 900Mhz > =E2=80=A2 USB: Four USB 2.0 Ports > =E2=80=A2 Ethernet: 10/100 Ethernet Port > =E2=80=A2 Video Output: HDMI and Composite > =E2=80=A2 Sound: L/R Stereo=20 > =E2=80=A2 Memory: 1GB Ram=20 > =E2=80=A2 Operating System: Uses microSD card slot to load O/S = (Sold Separately, Software cane be found here) > =E2=80=A2 Digital interfaces: CSi and DSi ribbon cable ports > =E2=80=A2 GPIO: 40 GPIO pins, backwards compatible to B and B+ = board I know that = http://ameridroid.com/products/raspberry-pi-2-model-b-1gb-ram 's old = page for V1.1 has said "DISCONTINUED" for some time. =3D=3D=3D Mark Millard markmi at dsl-only.net
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