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Add support for the 32 kHz counter1 (RTC) as clocksource / clockevent
device. As a nice side effect, this also enables use of the 'wait'
instruction for runtime idle power savings.
If the counters aren't enabled/working properly, fall back on the
cp0 counter clock code.
Signed-off-by: Manuel Lauss <[email protected]>
Signed-off-by: Ralf Baechle <[email protected]>
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Remove the cpu_table:
- move detection of whether c0_config[OD] is read-only and should be set
to fix various chip errata to au1000 headers.
- move detection of write-only sys_cpupll to au1000 headers.
- remove the BCLK switching code: Activation of this features should be
left to the boards using the chips since it also affects external devices
tied to BCLK, and only the board designers know whether it is safe to
enable.
Signed-off-by: Manuel Lauss <[email protected]>
Signed-off-by: Ralf Baechle <[email protected]>
delete mode 100644 arch/mips/alchemy/common/cputable.c
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There are no in-tree users, so remove them.
Signed-off-by: Manuel Lauss <[email protected]>
Signed-off-by: Ralf Baechle <[email protected]>
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This patch attempts to modernize core Alchemy interrupt handling code.
- add irq_chips for irq controllers instead of irq type,
- add a set_type() hook to change irq trigger type during runtime,
- add a set_wake() hook to control GPIO0..7 based wakeup,
- use linux' IRQF_TRIGGER_ constants instead of homebrew ones,
- enable GENERIC_HARDIRQS_NO__DO_IRQ.
- simplify plat_irq_dispatch
- merge au1xxx_irqmap into irq.c file, the only place where its
contents are referenced.
- board_init_irq() is now mandatory for every board; use it to register
the remaining (gpio-based) interrupt sources; update all boards
accordingly.
Run-tested on Db1200 and other Au1200 based platforms.
Signed-off-by: Manuel Lauss <[email protected]>
Signed-off-by: Ralf Baechle <[email protected]>
delete mode 100644 arch/mips/alchemy/common/au1xxx_irqmap.c
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Not every alchemy-based board might want these options forced on it,
and most of this stuff seems to be intended for devboard code anyway.
Remove commandline mangling code out of common chip code and instead
add relevant sections to all in-tree boards to not change existing
behaviour.
Signed-off-by: Manuel Lauss <[email protected]>
Signed-off-by: Ralf Baechle <[email protected]>
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Add au1xmmc platform data for PB1200/DB1200 boards and wire up the 2 SD
controllers for them.
Signed-off-by: Manuel Lauss <[email protected]>
Signed-off-by: Ralf Baechle <[email protected]>
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It's more than the au1000 these days.
Signed-off-by: Ralf Baechle <[email protected]>
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