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/* SPDX-License-Identifier: GPL-2.0 */ /****************************************************************************/ /* * mcfintc.h -- support definitions for the simple ColdFire * Interrupt Controller * * (C) Copyright 2009, Greg Ungerer <gerg@uclinux.org> */ /****************************************************************************/ #ifndef mcfintc_h #define mcfintc_h /****************************************************************************/ /* * Most of the older ColdFire parts use the same simple interrupt * controller. This is currently used on the 5206, 5206e, 5249, 5307 * and 5407 parts. * * The builtin peripherals are masked through dedicated bits in the * Interrupt Mask register (IMR) - and this is not indexed (or in any way * related to) the actual interrupt number they use. So knowing the IRQ * number doesn't explicitly map to a certain internal device for * interrupt control purposes. */ /* * Bit definitions for the ICR family of registers. */ #define MCFSIM_ICR_AUTOVEC 0x80 /* Auto-vectored intr */ #define MCFSIM_ICR_LEVEL0 0x00 /* Level 0 intr */ #define MCFSIM_ICR_LEVEL1 0x04 /* Level 1 intr */ #define MCFSIM_ICR_LEVEL2 0x08 /* Level 2 intr */ #define MCFSIM_ICR_LEVEL3 0x0c /* Level 3 intr */ #define MCFSIM_ICR_LEVEL4 0x10 /* Level 4 intr */ #define MCFSIM_ICR_LEVEL5 0x14 /* Level 5 intr */ #define MCFSIM_ICR_LEVEL6 0x18 /* Level 6 intr */ #define MCFSIM_ICR_LEVEL7 0x1c /* Level 7 intr */ #define MCFSIM_ICR_PRI0 0x00 /* Priority 0 intr */ #define MCFSIM_ICR_PRI1 0x01 /* Priority 1 intr */ #define MCFSIM_ICR_PRI2 0x02 /* Priority 2 intr */ #define MCFSIM_ICR_PRI3 0x03 /* Priority 3 intr */ /* * 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 */ #define MCFINTC_EINT3 3 /* External int #3 */ #define MCFINTC_EINT4 4 /* External int #4 */ #define MCFINTC_EINT5 5 /* External int #5 */ #define MCFINTC_EINT6 6 /* External int #6 */ #define MCFINTC_EINT7 7 /* External int #7 */ #define MCFINTC_SWT 8 /* Software Watchdog */ #define MCFINTC_TIMER1 9 #define MCFINTC_TIMER2 10 #define MCFINTC_I2C 11 /* I2C / MBUS */ #define MCFINTC_UART0 12 #define MCFINTC_UART1 13 #define MCFINTC_DMA0 14 #define MCFINTC_DMA1 15 #define MCFINTC_DMA2 16 #define MCFINTC_DMA3 17 #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); #endif /****************************************************************************/ #endif /* mcfintc_h */