Commit Graph

2 Commits

Author SHA1 Message Date
Andrew Jeffery
c59f781e3b hw/misc: Model KCS devices in the Aspeed LPC controller
Keyboard-Controller-Style devices for IPMI purposes are exposed via LPC
IO cycles from the BMC to the host.

Expose support on the BMC side by implementing the usual MMIO
behaviours, and expose the ability to inspect the KCS registers in
"host" style by accessing QOM properties associated with each register.

The model caters to the IRQ style of both the AST2600 and the earlier
SoCs (AST2400 and AST2500). The AST2600 allocates an IRQ for each LPC
sub-device, while there is a single IRQ shared across all subdevices on
the AST2400 and AST2500.

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20210302014317.915120-6-andrew@aj.id.au>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2021-03-09 12:01:28 +01:00
Cédric Le Goater
2ecf17264d hw/misc: Add a basic Aspeed LPC controller model
This is a very minimal framework to access registers which are used to
configure the AHB memory mapping of the flash chips on the LPC HC
Firmware address space.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Message-Id: <20210302014317.915120-5-andrew@aj.id.au>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2021-03-09 12:01:28 +01:00