diff options
Diffstat (limited to 'arch/powerpc/sysdev')
-rw-r--r-- | arch/powerpc/sysdev/mpic.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index 7dcdfcb3c984..bffe50d02c99 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c | |||
@@ -829,7 +829,27 @@ void __init mpic_init(struct mpic *mpic) | |||
829 | mpic_cpu_write(MPIC_CPU_CURRENT_TASK_PRI, 0); | 829 | mpic_cpu_write(MPIC_CPU_CURRENT_TASK_PRI, 0); |
830 | } | 830 | } |
831 | 831 | ||
832 | void __init mpic_set_clk_ratio(struct mpic *mpic, u32 clock_ratio) | ||
833 | { | ||
834 | u32 v; | ||
835 | |||
836 | v = mpic_read(mpic->gregs, MPIC_GREG_GLOBAL_CONF_1); | ||
837 | v &= ~MPIC_GREG_GLOBAL_CONF_1_CLK_RATIO_MASK; | ||
838 | v |= MPIC_GREG_GLOBAL_CONF_1_CLK_RATIO(clock_ratio); | ||
839 | mpic_write(mpic->gregs, MPIC_GREG_GLOBAL_CONF_1, v); | ||
840 | } | ||
832 | 841 | ||
842 | void __init mpic_set_serial_int(struct mpic *mpic, int enable) | ||
843 | { | ||
844 | u32 v; | ||
845 | |||
846 | v = mpic_read(mpic->gregs, MPIC_GREG_GLOBAL_CONF_1); | ||
847 | if (enable) | ||
848 | v |= MPIC_GREG_GLOBAL_CONF_1_SIE; | ||
849 | else | ||
850 | v &= ~MPIC_GREG_GLOBAL_CONF_1_SIE; | ||
851 | mpic_write(mpic->gregs, MPIC_GREG_GLOBAL_CONF_1, v); | ||
852 | } | ||
833 | 853 | ||
834 | void mpic_irq_set_priority(unsigned int irq, unsigned int pri) | 854 | void mpic_irq_set_priority(unsigned int irq, unsigned int pri) |
835 | { | 855 | { |