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OMAP4/5 has been (ab)using the gic_arch_extn to provide
wakeup from suspend, and it makes a lot of sense to convert
this code to use stacked domains instead.
This patch does just this, updating the DT files to actually
reflect what the HW provides.
BIG FAT WARNING: because the DTs were so far lying by not
exposing the WUGEN HW block, kernels with this patch applied
won't have any suspend-resume facility when booted with old DTs,
and old kernels with updated DTs won't even boot.
On a platform with this patch applied, the system looks like
this:
root@bacon-fat:~# cat /proc/interrupts
CPU0 CPU1
16: 0 0 WUGEN 37 gp_timer
19: 233799 155916 GIC 27 arch_timer
23: 0 0 WUGEN 9 l3-dbg-irq
24: 1 0 WUGEN 10 l3-app-irq
27: 282 0 WUGEN 13 omap-dma-engine
44: 0 0 4ae10000.gpio 13 DMA
294: 0 0 WUGEN 20 gpmc
297: 506 0 WUGEN 56 48070000.i2c
298: 0 0 WUGEN 57 48072000.i2c
299: 0 0 WUGEN 61 48060000.i2c
300: 0 0 WUGEN 62 4807a000.i2c
301: 8 0 WUGEN 60 4807c000.i2c
308: 2439 0 WUGEN 74 OMAP UART2
312: 362 0 WUGEN 83 mmc2
313: 502 0 WUGEN 86 mmc0
314: 13 0 WUGEN 94 mmc1
350: 0 0 PRCM pinctrl, pinctrl
406: 35155709 0 GIC 109 ehci_hcd:usb1
407: 0 0 WUGEN 7 palmas
409: 0 0 WUGEN 119 twl6040
410: 0 0 twl6040 5 twl6040_irq_ready
411: 0 0 twl6040 0 twl6040_irq_th
IPI0: 0 1 CPU wakeup interrupts
IPI1: 0 0 Timer broadcast interrupts
IPI2: 95334 902334 Rescheduling interrupts
IPI3: 0 0 Function call interrupts
IPI4: 479 648 Single function call interrupts
IPI5: 0 0 CPU stop interrupts
IPI6: 0 0 IRQ work interrupts
IPI7: 0 0 completion interrupts
Err: 0
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1426088629-15377-8-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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Since commit 7adb0933b18debef3 (ARM: dts: omap4: Set all audio related
IP's status to disabled as default) all audio related device are
disabled by default. Most boards were updated to enable devices
explicitly, but DuoVero was missed.
mcpdm is used for twl6040 and mcbsp1 is used for BlueTooth audio.
Cc: florian.vaussard@epfl.ch
Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Conversion done by following awk script.
/0x[0-9a-f]{1,3} \(PIN/ {
offset = sprintf("OMAP4_IOPAD(0x%03x, ", strtonum($1) + 64)
sub(/0x[0-9a-f]{1,3} \(/, offset, $0)
print $0
next
}
{ print $0 }
Cc: florian.vaussard@epfl.ch
Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Gumstix DuoVero is an OMAP4430-based Computer On Module.
Parlor is one of the available expansion board.
Tested features:
- GPMC ethernet
- HSUSB2 and OTG
- Audio out
- WiFi and Bluetooth (w2cbw0015 SDIO module)
- LED and button
Signed-off-by: Florian Vaussard <florian.vaussard@epfl.ch>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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