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https://github.com/openbmc/linux into openbmc/dev-5.15-intel-bump_v5.15.36
Signed-off-by: Sujoy Ray <sujoy.ray@intel.com>
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This is to address warnings reported by make dt_binding_check.
OpenBMC-Staging-Count: 1
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Link: https://lore.kernel.org/r/20220218093317.664559-1-clg@kaod.org
Signed-off-by: Joel Stanley <joel@jms.id.au>
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When PCH works under eSPI mode, the PMC (Power Management Controller) in
PCH is waiting for SUS_ACK from BMC after it alerts SUS_WARN. It is in
dead loop if no SUS_ACK assert. This is the basic requirement for the BMC
works as eSPI slave.
Also for the host power on / off actions, from BMC side, the following VW
(Virtual Wire) messages are done in firmware:
1. SLAVE_BOOT_LOAD_DONE / SLAVE_BOOT_LOAD_STATUS
2. SUS_ACK
3. OOB_RESET_ACK
4. HOST_RESET_ACK
Also, it provides monitoring interface of PLTRST_N signal through
/dev/espi-pltrstn
Signed-off-by: Haiyue Wang <haiyue.wang@linux.intel.com>
Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@intel.com>
Signed-off-by: James Feist <james.feist@linux.intel.com>
Signed-off-by: Vernon Mauery <vernon.mauery@intel.com>
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AST2600 provides MCTP over PCIe controller allowing BMC to communicate
with devices on host PCIe bus.
We are also adding syscon node describing PCIe Host controller device
which can be used to gather information on PCIe enumeration (and
assigned address).
Signed-off-by: Iwona Winiarska <iwona.winiarska@intel.com>
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Implement a memory driver for BMC to access VGA share memory.
The driver is used by MDRV2. In MDRV2 BIOS will send whole
SMBIOS table to VGA memory and BMC can get the table from VGA
memory through this driver.
Signed-off-by: Cheng C Yang <cheng.c.yang@intel.com>
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Add lpc sio device driver for AST2500/2400
Signed-off-by: Yong Li <yong.b.li@intel.com>
Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@intel.com>
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Document the bindings for the Aspeed AST25XX and AST26XX XDMA engine.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/1588697905-23444-2-git-send-email-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
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