Re: [PATCH v2 0/2] soc: aspeed: Add BMC and host driver for PCIe BMC device

From: Andrew Lunn

Date: Mon Jun 08 2026 - 14:05:46 EST


On Mon, Jun 08, 2026 at 02:51:21PM +0000, Grégoire Layet wrote:
> This is a v2 for upstreaming the VUART over PCIe BMC device driver from the ASPEED kernel SDK (branch master-v6.18) [1].
> There are two drivers: a BMC-side driver and a host-side driver.
> Together they enable host<->BMC VUART communication via PCIe.

I would like to see somewhere a comment about security. From the
replies i got the host can access anything on the LPC bus of the
aspeed. What are the implications of that? What are typically on such
a bus? TPMs are often there, but does a BMC have a TPM?

Andrew