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8e88602e99
Add device tree source describing the Tenstorrent Blackhole SoC and the Blackhole P100 and P150 PCIe cards. There are no differences between the P100 and P150 cards from the perspective of an OS kernel like Linux running on the X280 cores. There is a virtual UART implemented in OpenSBI firmware that allows a console program on the PCIe host to communicate through shared memory with Linux running on the Blackhole card. CONFIG_HVC_RISCV_SBI needs to be enabled. The boot script on the host adds 'console=hvc0' so that the full boot output appears in the console program on the host. Link: https://github.com/tenstorrent/opensbi/ Link: https://github.com/tenstorrent/tt-bh-linux Reviewed-by: Joel Stanley <jms@oss.tenstorrent.com> Signed-off-by: Drew Fustini <dfustini@oss.tenstorrent.com>
15 lines
291 B
Plaintext
15 lines
291 B
Plaintext
// SPDX-License-Identifier: (GPL-2.0 OR MIT)
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/dts-v1/;
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#include "blackhole.dtsi"
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/ {
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model = "Tenstorrent Blackhole";
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compatible = "tenstorrent,blackhole-card", "tenstorrent,blackhole";
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memory@400030000000 {
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device_type = "memory";
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reg = <0x4000 0x30000000 0x1 0x00000000>;
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};
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};
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