diff options
| author | Darren Stevens <darren@stevens-zone.net> | 2018-08-19 21:23:57 +0100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-12-20 22:21:20 +1100 |
| commit | 656fdf3ad8e0ae4c6c3d75af373df6cc9797bac1 (patch) | |
| tree | 06ce881351167ff21fdfdc7fea3dfad8d4f599eb /arch/powerpc/platforms/pasemi | |
| parent | 0428a5f494a003c98c1d1fc98aae605c288dc066 (diff) | |
powerpc/pasemi: Add Nemo board device init code.
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>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/platforms/pasemi')
| -rw-r--r-- | arch/powerpc/platforms/pasemi/setup.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pasemi/setup.c b/arch/powerpc/platforms/pasemi/setup.c index fd33e94338b2..5c1a1d959495 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; |