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Diffstat (limited to 'arch/ppc/syslib/m8xx_setup.c')
-rw-r--r--arch/ppc/syslib/m8xx_setup.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/arch/ppc/syslib/m8xx_setup.c b/arch/ppc/syslib/m8xx_setup.c
index 688616de3cde..ff0282479a78 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 */