arch/m68k/include/asm/m54xxsim.h

Source file repositories/reference/linux-study-clean/arch/m68k/include/asm/m54xxsim.h

File Facts

System
Linux kernel
Corpus path
arch/m68k/include/asm/m54xxsim.h
Extension
.h
Size
3892 bytes
Lines
123
Domain
Architecture Layer
Bucket
arch/m68k
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef	m54xxsim_h
#define m54xxsim_h

#define	CPU_NAME		"COLDFIRE(m54xx)"
#define	CPU_INSTR_PER_JIFFY	2
#define	MCF_BUSCLK		(MCF_CLK / 2)
#define	MACHINE			MACH_M54XX
#define	FPUTYPE			FPU_COLDFIRE
#define	IOMEMBASE		MCF_MBAR
#define	IOMEMSIZE		0x01000000

#include <asm/m54xxacr.h>

#define MCFINT_VECBASE		64

/*
 *      Interrupt Controller Registers
 */
#define MCFICM_INTC0		(MCF_MBAR + 0x700) 	/* Base for Interrupt Ctrl 0 */

#define MCFINTC_IPRH		0x00		/* Interrupt pending 32-63 */
#define MCFINTC_IPRL		0x04		/* Interrupt pending 1-31 */
#define MCFINTC_IMRH		0x08		/* Interrupt mask 32-63 */
#define MCFINTC_IMRL		0x0c		/* Interrupt mask 1-31 */
#define MCFINTC_INTFRCH		0x10		/* Interrupt force 32-63 */
#define MCFINTC_INTFRCL		0x14		/* Interrupt force 1-31 */
#define MCFINTC_IRLR		0x18		/* */
#define MCFINTC_IACKL		0x19		/* */
#define MCFINTC_ICR0		0x40		/* Base ICR register */

/*
 *	UART module.
 */
#define MCFUART_BASE0		(MCF_MBAR + 0x8600)	/* Base address UART0 */
#define MCFUART_BASE1		(MCF_MBAR + 0x8700)	/* Base address UART1 */
#define MCFUART_BASE2		(MCF_MBAR + 0x8800)	/* Base address UART2 */
#define MCFUART_BASE3		(MCF_MBAR + 0x8900)	/* Base address UART3 */

/*
 *	Define system peripheral IRQ usage.
 */
#define MCF_IRQ_TIMER		(MCFINT_VECBASE + 54)	/* Slice Timer 0 */
#define MCF_IRQ_PROFILER	(MCFINT_VECBASE + 53)	/* Slice Timer 1 */
#define MCF_IRQ_I2C0		(MCFINT_VECBASE + 40)
#define MCF_IRQ_UART0		(MCFINT_VECBASE + 35)
#define MCF_IRQ_UART1		(MCFINT_VECBASE + 34)
#define MCF_IRQ_UART2		(MCFINT_VECBASE + 33)
#define MCF_IRQ_UART3		(MCFINT_VECBASE + 32)

/*
 *	Slice Timer support.
 */
#define MCFSLT_TIMER0		(MCF_MBAR + 0x900)	/* Base addr TIMER0 */
#define MCFSLT_TIMER1		(MCF_MBAR + 0x910)	/* Base addr TIMER1 */

/*
 *	Generic GPIO support
 */
#define MCFGPIO_PODR		(MCF_MBAR + 0xA00)
#define MCFGPIO_PDDR		(MCF_MBAR + 0xA10)
#define MCFGPIO_PPDR		(MCF_MBAR + 0xA20)
#define MCFGPIO_SETR		(MCF_MBAR + 0xA20)
#define MCFGPIO_CLRR		(MCF_MBAR + 0xA30)

#define MCFGPIO_PIN_MAX		136	/* 128 gpio + 8 eport */
#define MCFGPIO_IRQ_MAX		8
#define MCFGPIO_IRQ_VECBASE	MCFINT_VECBASE

/*
 *	EDGE Port support.
 */
#define	MCFEPORT_EPPAR		(MCF_MBAR + 0xf00)	/* Pin assignment */
#define	MCFEPORT_EPDDR		(MCF_MBAR + 0xf04)	/* Data direction */
#define	MCFEPORT_EPIER		(MCF_MBAR + 0xf05)	/* Interrupt enable */
#define	MCFEPORT_EPDR		(MCF_MBAR + 0xf08)	/* Port data (w) */
#define	MCFEPORT_EPPDR		(MCF_MBAR + 0xf09)	/* Port data (r) */
#define	MCFEPORT_EPFR		(MCF_MBAR + 0xf0c)	/* Flags */

/*
 *	Pin Assignment register definitions
 */
#define MCFGPIO_PAR_FBCTL	(MCF_MBAR + 0xA40)
#define MCFGPIO_PAR_FBCS	(MCF_MBAR + 0xA42)
#define MCFGPIO_PAR_DMA		(MCF_MBAR + 0xA43)
#define MCFGPIO_PAR_FECI2CIRQ	(MCF_MBAR + 0xA44)
#define MCFGPIO_PAR_PCIBG	(MCF_MBAR + 0xA48)	/* PCI bus grant */
#define MCFGPIO_PAR_PCIBR	(MCF_MBAR + 0xA4A)	/* PCI */
#define MCFGPIO_PAR_PSC0	(MCF_MBAR + 0xA4F)
#define MCFGPIO_PAR_PSC1	(MCF_MBAR + 0xA4E)
#define MCFGPIO_PAR_PSC2	(MCF_MBAR + 0xA4D)

Annotation

Implementation Notes