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The patch reworks PCI stuff for IBM's Apollo and Firenze platforms to
support PCI slot:
* Platform shared PCI slot is represented by "struct lxvpd_pci_slot"
for Apollo and Firenze. The information of that is fetched from
VPD.
* Apollo platform uses "struct lxvpd_pci_slot" as its platform slot,
while Firenze platform uses "struct firenze_pci_slot" as its
platform slot in order to support external I2C-based PCI slot power
maangement as well as PERST supported by the downstream ports of
particular PLX PCIe switches.
* On Firenze platform, the properties and methods to manage PHB slot
might be overrided to utilize the capability of external power
management.
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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Current abort() call works fine on FSP based system. We need different
mechanism on BMC based machine. Hence introduce platform hook for
terminate call.
Signed-off-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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commit 132e593400f9 ("core: add a platform op to read sensors") missed
out this platform.
Signed-off-by: Cédric Le Goater <clg@fr.ibm.com>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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This moves away from using fsp_sync_msg in fsp_fetch_data and instead
using the platform hooks for start_preload_resource() to actually queue
up a load and having the plumbing for checking if a resource is loaded yet.
This gets rid of the "pollers called with locks held" warning we got
heaps of previously. You can now boot some FSP systems without getting
this warning at all.
This also sets the stage for starting load of LIDs much earlier to when
they're needed, improving boot time.
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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No functional changes in what happens, just have two calls, one for
queueing preload the other for waiting until it has loaded.
future patches will introduce platform specific queueing.
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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This patch creates a parent LED device node called 'led' under the root
'opal' device node. This also creates child device nodes under 'led'
corresponding to all individual LEDs on the system whether it is an enclosure
type or a descendant type with their location code as name. The location code
information will be used by the host to enlist and access all the individual
LEDs present on the system. The child LED device nodes also have the properties
'led-types' and 'led-loc' representing what kind of LEDs present on the same
loation code and whether it is an enclosure type LED or a descendant type LED.
Sample device tree output:
ibm,opal {
..
..
led {
compatible = "ibm,opal-v3-led";
phandle = <0x1000006b>;
linux,phandle = <0x1000006b>;
U78C9.001.RST0027-P1-C1 {
led-types = "identify", "fault";
led-loc = "descendent";
phandle = <0x1000006f>;
linux,phandle = <0x1000006f>;
};
<snip>
};
};
Signed-off-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
[stewart@linux.vnet.ibm.com: Move create_led_device_nodes to FSP platform.exit]
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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Currently, in core/init.c we do a fsp-specific load procedure to grab
the kernel image.
We'd like to do two things: allow other types of resources, and have
paths for non-FSP platforms to perform loads.
This change adds a platform-specific load_resource hook, and moves the
currently loading code to fsp_load_resource. To allow other resource
types, we add an identifier to indicate the type of resouce to load.
Signed-off-by: Jeremy Kerr <jeremy.kerr@au.ibm.com>
Acked-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Acked-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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OpenPOWER boxes don't have an FSP and therefore implement their own
method for passing log messages to a support processor. This patch
makes the logging method platform specific.
Signed-off-by: Alistair Popple <alistair@popple.id.au>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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