/* 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 , 5206 e , 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 0 x80 /* Auto-vectored intr */
#define MCFSIM_ICR_LEVEL0 0 x00 /* Level 0 intr */
#define MCFSIM_ICR_LEVEL1 0 x04 /* Level 1 intr */
#define MCFSIM_ICR_LEVEL2 0 x08 /* Level 2 intr */
#define MCFSIM_ICR_LEVEL3 0 x0c /* Level 3 intr */
#define MCFSIM_ICR_LEVEL4 0 x10 /* Level 4 intr */
#define MCFSIM_ICR_LEVEL5 0 x14 /* Level 5 intr */
#define MCFSIM_ICR_LEVEL6 0 x18 /* Level 6 intr */
#define MCFSIM_ICR_LEVEL7 0 x1c /* Level 7 intr */
#define MCFSIM_ICR_PRI0 0 x00 /* Priority 0 intr */
#define MCFSIM_ICR_PRI1 0 x01 /* Priority 1 intr */
#define MCFSIM_ICR_PRI2 0 x02 /* Priority 2 intr */
#define MCFSIM_ICR_PRI3 0 x03 /* 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 */
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