* [PATCH NEXT v2 3/4] powerpc/pasemi: Add Nemo board device init code.
@ 2018-08-19 20:23 Darren Stevens
2018-12-22 9:54 ` [NEXT,v2,3/4] " Michael Ellerman
0 siblings, 1 reply; 2+ messages in thread
From: Darren Stevens @ 2018-08-19 20:23 UTC (permalink / raw)
To: linuxppc-dev; +Cc: Christian Zigotzky
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Add routines for Nemo specific devices to init at boot time, these
being board level power-off and SB600's rtc.
Also add a run time variable to prevent these being activated
if we boot on a reference board.
Signed-off-by: Darren Stevens <Darren@stevens-zone.net>
---
Changes made:
v2: Merged some #ifdef blocks
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diff --git a/arch/powerpc/platforms/pasemi/setup.c b/arch/powerpc/platforms/pasemi/setup.c
index fad5280..98bf2f7 100644
--- a/arch/powerpc/platforms/pasemi/setup.c
+++ b/arch/powerpc/platforms/pasemi/setup.c
@@ -73,6 +73,40 @@ static void __noreturn pas_restart(char *cmd)
out_le32(reset_reg, 0x6000000);
}
+#ifdef CONFIG_PPC_PASEMI_NEMO
+void pas_shutdown(void)
+{
+ /* Set the PLD bit that makes the SB600 think the power button is being pressed */
+ void __iomem *pld_map = ioremap(0xf5000000,4096);
+ while (1)
+ out_8(pld_map+7,0x01);
+}
+
+/* RTC platform device structure as is not in device tree */
+static struct resource rtc_resource[] = {{
+ .name = "rtc",
+ .start = 0x70,
+ .end = 0x71,
+ .flags = IORESOURCE_IO,
+}, {
+ .name = "rtc",
+ .start = 8,
+ .end = 8,
+ .flags = IORESOURCE_IRQ,
+}};
+
+static inline void nemo_init_rtc(void)
+{
+ platform_device_register_simple("rtc_cmos", -1, rtc_resource, 2);
+}
+
+#else
+
+static inline void nemo_init_rtc(void)
+{
+}
+#endif
+
#ifdef CONFIG_SMP
static arch_spinlock_t timebase_lock;
static unsigned long timebase;
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [NEXT,v2,3/4] powerpc/pasemi: Add Nemo board device init code.
2018-08-19 20:23 [PATCH NEXT v2 3/4] powerpc/pasemi: Add Nemo board device init code Darren Stevens
@ 2018-12-22 9:54 ` Michael Ellerman
0 siblings, 0 replies; 2+ messages in thread
From: Michael Ellerman @ 2018-12-22 9:54 UTC (permalink / raw)
To: Darren Stevens, linuxppc-dev; +Cc: Christian Zigotzky
On Sun, 2018-08-19 at 20:23:57 UTC, Darren Stevens wrote:
> Add routines for Nemo specific devices to init at boot time, these
> being board level power-off and SB600's rtc.
>
> Also add a run time variable to prevent these being activated
> if we boot on a reference board.
>
> Signed-off-by: Darren Stevens <Darren@stevens-zone.net>
Applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/656fdf3ad8e0ae4c6c3d75af373df6
cheers
^ permalink raw reply [flat|nested] 2+ messages in thread
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