diff options
Diffstat (limited to 'arch/m68k/include/asm')
| -rw-r--r-- | arch/m68k/include/asm/mcfintc.h | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/arch/m68k/include/asm/mcfintc.h b/arch/m68k/include/asm/mcfintc.h index 213aa6c68abb..4183320a3813 100644 --- a/arch/m68k/include/asm/mcfintc.h +++ b/arch/m68k/include/asm/mcfintc.h @@ -25,11 +25,6 @@ */ /* - * Define the base address of the SIM within the MBAR address space. - */ -#define MCFSIM_BASE 0x0 /* Base address within SIM */ - -/* * Bit definitions for the ICR family of registers. */ #define MCFSIM_ICR_AUTOVEC 0x80 /* Auto-vectored intr */ @@ -48,7 +43,9 @@ #define MCFSIM_ICR_PRI3 0x03 /* Priority 3 intr */ /* - * IMR bit position definitions. + * IMR bit position definitions. Not all ColdFire parts with this interrupt + * controller actually support all of these interrupt sources. But the bit + * numbers are the same in all cores. */ #define MCFINTC_EINT1 1 /* External int #1 */ #define MCFINTC_EINT2 2 /* External int #2 */ @@ -70,6 +67,19 @@ #define MCFINTC_QSPI 18 #ifndef __ASSEMBLER__ + +/* + * There is no one-is-one correspondance between the interrupt number (irq) + * and the bit fields on the mask register. So we create a per-cpu type + * mapping of irq to mask bit. The CPU platform code needs to register + * its supported irq's at init time, using this function. + */ +extern unsigned char mcf_irq2imr[]; +static inline void mcf_mapirq2imr(int irq, int imr) +{ + mcf_irq2imr[irq] = imr; +} + void mcf_autovector(int irq); void mcf_setimr(int index); void mcf_clrimr(int index); |