| /* 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 */ |
