From 277c5e3e26cac45010f57a581c56476639b2cfa0 Mon Sep 17 00:00:00 2001 From: Greg Ungerer Date: Wed, 29 Apr 2009 12:07:13 +1000 Subject: m68knommu: general interrupt controller for ColdFire 532x parts The ColdFire 532x family of parts uses 2 of the same INTC interrupt controlers used in the ColdFire 520x family. So modify the code to support both parts. The extra code for the second INTC controler in the case of the 520x is easily optimized away to nothing. Signed-off-by: Greg Ungerer --- arch/m68knommu/kernel/irq.c | 3 ++- arch/m68knommu/platform/coldfire/Makefile | 2 +- arch/m68knommu/platform/coldfire/intc-simr.c | 24 ++++++++++++++++++------ 3 files changed, 21 insertions(+), 8 deletions(-) (limited to 'arch/m68knommu') diff --git a/arch/m68knommu/kernel/irq.c b/arch/m68knommu/kernel/irq.c index f9965d7ee7c..93d567bbf33 100644 --- a/arch/m68knommu/kernel/irq.c +++ b/arch/m68knommu/kernel/irq.c @@ -30,7 +30,8 @@ asmlinkage void do_IRQ(int irq, struct pt_regs *regs) } #if !defined(CONFIG_M520x) && !defined(CONFIG_M523x) && \ - !defined(CONFIG_M527x) && !defined(CONFIG_M528x) + !defined(CONFIG_M527x) && !defined(CONFIG_M528x) && \ + !defined(CONFIG_M532x) static struct irq_chip m_irq_chip = { .name = "M68K-INTC", diff --git a/arch/m68knommu/platform/coldfire/Makefile b/arch/m68knommu/platform/coldfire/Makefile index bce9a62d3a1..6c5f699cf14 100644 --- a/arch/m68knommu/platform/coldfire/Makefile +++ b/arch/m68knommu/platform/coldfire/Makefile @@ -24,7 +24,7 @@ obj-$(CONFIG_M527x) += pit.o intc-2.o obj-$(CONFIG_M5272) += timers.o obj-$(CONFIG_M528x) += pit.o intc-2.o obj-$(CONFIG_M5307) += timers.o -obj-$(CONFIG_M532x) += timers.o +obj-$(CONFIG_M532x) += timers.o intc-simr.o obj-$(CONFIG_M5407) += timers.o obj-y += pinmux.o gpio.o diff --git a/arch/m68knommu/platform/coldfire/intc-simr.c b/arch/m68knommu/platform/coldfire/intc-simr.c index 3b614a3508f..86fc2047d7a 100644 --- a/arch/m68knommu/platform/coldfire/intc-simr.c +++ b/arch/m68knommu/platform/coldfire/intc-simr.c @@ -20,20 +20,32 @@ static void intc_irq_mask(unsigned int irq) { - if ((irq >= MCFINT_VECBASE) && (irq <= MCFINT_VECBASE + 63)) - __raw_writeb(irq - MCFINT_VECBASE, MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_SIMR); + if (irq >= MCFINT_VECBASE) { + if (irq < MCFINT_VECBASE + 64) + __raw_writeb(irq - MCFINT_VECBASE, MCFINTC0_SIMR); + else if ((irq < MCFINT_VECBASE + 128) && MCFINTC1_SIMR) + __raw_writeb(irq - MCFINT_VECBASE - 64, MCFINTC1_SIMR); + } } static void intc_irq_unmask(unsigned int irq) { - if ((irq >= MCFINT_VECBASE) && (irq <= MCFINT_VECBASE + 63)) - __raw_writeb(irq - MCFINT_VECBASE, MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_CIMR); + if (irq >= MCFINT_VECBASE) { + if (irq < MCFINT_VECBASE + 64) + __raw_writeb(irq - MCFINT_VECBASE, MCFINTC0_CIMR); + else if ((irq < MCFINT_VECBASE + 128) && MCFINTC1_CIMR) + __raw_writeb(irq - MCFINT_VECBASE - 64, MCFINTC1_CIMR); + } } static int intc_irq_set_type(unsigned int irq, unsigned int type) { - if ((irq >= MCFINT_VECBASE) && (irq <= MCFINT_VECBASE + 63)) - __raw_writeb(5, MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_ICR0 + irq - MCFINT_VECBASE); + if (irq >= MCFINT_VECBASE) { + if (irq < MCFINT_VECBASE + 64) + __raw_writeb(5, MCFINTC0_ICR0 + irq - MCFINT_VECBASE); + else if ((irq < MCFINT_VECBASE) && MCFINTC1_ICR0) + __raw_writeb(5, MCFINTC1_ICR0 + irq - MCFINT_VECBASE - 64); + } return 0; } -- cgit v1.2.3