diff options
author | Vitaly Bordug <vbordug@ru.mvista.com> | 2006-01-15 17:30:29 +0300 |
---|---|---|
committer | Paul Mackerras <paulus@samba.org> | 2006-01-20 16:13:29 +1100 |
commit | 0ce928e1b2ad4309fae6c4324b9e9e433fbf62a2 (patch) | |
tree | 774811b3bba02ac53292c56cc0be0d144e616044 /arch/ppc/syslib | |
parent | 63dafe5728e7354bc3f15bd49f13f1f9a433e8fb (diff) |
[PATCH] ppc32 8xx: Added setbitsXX/clrbitsXX macro for read-modify-write operations
This adds setbitsXX/clrbitsXX macro for read-modify-write operations
and converts the 8xx core and drivers to use them.
Signed-off-by: Vitaly Bordug <vbordug@ru.mvista.com>
Signed-off-by: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/ppc/syslib')
-rw-r--r-- | arch/ppc/syslib/m8xx_setup.c | 13 | ||||
-rw-r--r-- | arch/ppc/syslib/m8xx_wdt.c | 3 |
2 files changed, 8 insertions, 8 deletions
diff --git a/arch/ppc/syslib/m8xx_setup.c b/arch/ppc/syslib/m8xx_setup.c index 688616de3cd..ff0282479a7 100644 --- a/arch/ppc/syslib/m8xx_setup.c +++ b/arch/ppc/syslib/m8xx_setup.c @@ -140,9 +140,11 @@ void __init __attribute__ ((weak)) init_internal_rtc(void) { /* Disable the RTC one second and alarm interrupts. */ - out_be16(&((immap_t *)IMAP_ADDR)->im_sit.sit_rtcsc, in_be16(&((immap_t *)IMAP_ADDR)->im_sit.sit_rtcsc) & ~(RTCSC_SIE | RTCSC_ALE)); + clrbits16(&((immap_t *)IMAP_ADDR)->im_sit.sit_rtcsc, (RTCSC_SIE | RTCSC_ALE)); + /* Enable the RTC */ - out_be16(&((immap_t *)IMAP_ADDR)->im_sit.sit_rtcsc, in_be16(&((immap_t *)IMAP_ADDR)->im_sit.sit_rtcsc) | (RTCSC_RTF | RTCSC_RTE)); + setbits16(&((immap_t *)IMAP_ADDR)->im_sit.sit_rtcsc, (RTCSC_RTF | RTCSC_RTE)); + } /* The decrementer counts at the system (internal) clock frequency divided by @@ -159,8 +161,7 @@ void __init m8xx_calibrate_decr(void) out_be32(&((immap_t *)IMAP_ADDR)->im_clkrstk.cark_sccrk, KAPWR_KEY); /* Force all 8xx processors to use divide by 16 processor clock. */ - out_be32(&((immap_t *)IMAP_ADDR)->im_clkrst.car_sccr, - in_be32(&((immap_t *)IMAP_ADDR)->im_clkrst.car_sccr)|0x02000000); + setbits32(&((immap_t *)IMAP_ADDR)->im_clkrst.car_sccr, 0x02000000); /* Processor frequency is MHz. * The value 'fp' is the number of decrementer ticks per second. */ @@ -239,8 +240,8 @@ m8xx_restart(char *cmd) __volatile__ unsigned char dummy; local_irq_disable(); - out_be32(&((immap_t *)IMAP_ADDR)->im_clkrst.car_plprcr, in_be32(&((immap_t *)IMAP_ADDR)->im_clkrst.car_plprcr) | 0x00000080); + setbits32(&((immap_t *)IMAP_ADDR)->im_clkrst.car_plprcr, 0x00000080); /* Clear the ME bit in MSR to cause checkstop on machine check */ mtmsr(mfmsr() & ~0x1000); @@ -310,8 +311,8 @@ m8xx_init_IRQ(void) i8259_init(0); /* The i8259 cascade interrupt must be level sensitive. */ - out_be32(&((immap_t *)IMAP_ADDR)->im_siu_conf.sc_siel, in_be32(&((immap_t *)IMAP_ADDR)->im_siu_conf.sc_siel & ~(0x80000000 >> ISA_BRIDGE_INT))); + clrbits32(&((immap_t *)IMAP_ADDR)->im_siu_conf.sc_siel, (0x80000000 >> ISA_BRIDGE_INT)); if (setup_irq(ISA_BRIDGE_INT, &mbx_i8259_irqaction)) enable_irq(ISA_BRIDGE_INT); #endif /* CONFIG_PCI */ diff --git a/arch/ppc/syslib/m8xx_wdt.c b/arch/ppc/syslib/m8xx_wdt.c index df6c9557b86..ac11d7bab44 100644 --- a/arch/ppc/syslib/m8xx_wdt.c +++ b/arch/ppc/syslib/m8xx_wdt.c @@ -41,8 +41,7 @@ static irqreturn_t m8xx_wdt_interrupt(int irq, void *dev, struct pt_regs *regs) m8xx_wdt_reset(); - out_be16(&imap->im_sit.sit_piscr, in_be16(&imap->im_sit.sit_piscr) | PISCR_PS); /* clear irq */ - + setbits16(&imap->im_sit.sit_piscr, PISCR_PS); return IRQ_HANDLED; } |