arch/m68k/include/asm/m525xsim.h

Source file repositories/reference/linux-study-clean/arch/m68k/include/asm/m525xsim.h

File Facts

System
Linux kernel
Corpus path
arch/m68k/include/asm/m525xsim.h
Extension
.h
Size
10822 bytes
Lines
310
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	m525xsim_h
#define m525xsim_h
/****************************************************************************/

/*
 *	This header supports ColdFire 5249, 5251 and 5253. There are a few
 *	little differences between them, but most of the peripheral support
 *	can be used by all of them.
 */
#define CPU_NAME		"COLDFIRE(m525x)"
#define CPU_INSTR_PER_JIFFY	3
#define MCF_BUSCLK		(MCF_CLK / 2)

#include <asm/m52xxacr.h>

/*
 *	The 525x has a second MBAR region, define its address.
 */
#define MCF_MBAR2		0x80000000

/*
 *	Define the 525x SIM register set addresses.
 */
#define MCFSIM_RSR		(MCF_MBAR + 0x00)	/* Reset Status */
#define MCFSIM_SYPCR		(MCF_MBAR + 0x01)	/* System Protection */
#define MCFSIM_SWIVR		(MCF_MBAR + 0x02)	/* SW Watchdog intr */
#define MCFSIM_SWSR		(MCF_MBAR + 0x03)	/* SW Watchdog srv */
#define MCFSIM_MPARK		(MCF_MBAR + 0x0C)	/* BUS Master Ctrl */
#define MCFSIM_IPR		(MCF_MBAR + 0x40)	/* Interrupt Pending */
#define MCFSIM_IMR		(MCF_MBAR + 0x44)	/* Interrupt Mask */
#define MCFSIM_ICR0		(MCF_MBAR + 0x4c)	/* Intr Ctrl reg 0 */
#define MCFSIM_ICR1		(MCF_MBAR + 0x4d)	/* Intr Ctrl reg 1 */
#define MCFSIM_ICR2		(MCF_MBAR + 0x4e)	/* Intr Ctrl reg 2 */
#define MCFSIM_ICR3		(MCF_MBAR + 0x4f)	/* Intr Ctrl reg 3 */
#define MCFSIM_ICR4		(MCF_MBAR + 0x50)	/* Intr Ctrl reg 4 */
#define MCFSIM_ICR5		(MCF_MBAR + 0x51)	/* Intr Ctrl reg 5 */
#define MCFSIM_ICR6		(MCF_MBAR + 0x52)	/* Intr Ctrl reg 6 */
#define MCFSIM_ICR7		(MCF_MBAR + 0x53)	/* Intr Ctrl reg 7 */
#define MCFSIM_ICR8		(MCF_MBAR + 0x54)	/* Intr Ctrl reg 8 */
#define MCFSIM_ICR9		(MCF_MBAR + 0x55)	/* Intr Ctrl reg 9 */
#define MCFSIM_ICR10		(MCF_MBAR + 0x56)	/* Intr Ctrl reg 10 */
#define MCFSIM_ICR11		(MCF_MBAR + 0x57)	/* Intr Ctrl reg 11 */

#define MCFSIM_CSAR0		(MCF_MBAR + 0x80)	/* CS 0 Address reg */
#define MCFSIM_CSMR0		(MCF_MBAR + 0x84)	/* CS 0 Mask reg */
#define MCFSIM_CSCR0		(MCF_MBAR + 0x8a)	/* CS 0 Control reg */
#define MCFSIM_CSAR1		(MCF_MBAR + 0x8c)	/* CS 1 Address reg */
#define MCFSIM_CSMR1		(MCF_MBAR + 0x90)	/* CS 1 Mask reg */
#define MCFSIM_CSCR1		(MCF_MBAR + 0x96)	/* CS 1 Control reg */
#define MCFSIM_CSAR2		(MCF_MBAR + 0x98)	/* CS 2 Address reg */
#define MCFSIM_CSMR2		(MCF_MBAR + 0x9c)	/* CS 2 Mask reg */
#define MCFSIM_CSCR2		(MCF_MBAR + 0xa2)	/* CS 2 Control reg */
#define MCFSIM_CSAR3		(MCF_MBAR + 0xa4)	/* CS 3 Address reg */
#define MCFSIM_CSMR3		(MCF_MBAR + 0xa8)	/* CS 3 Mask reg */
#define MCFSIM_CSCR3		(MCF_MBAR + 0xae)	/* CS 3 Control reg */
#define MCFSIM_CSAR4		(MCF_MBAR + 0xb0)	/* CS 4 Address reg */
#define MCFSIM_CSMR4		(MCF_MBAR + 0xb4)	/* CS 4 Mask reg */
#define MCFSIM_CSCR4		(MCF_MBAR + 0xba)	/* CS 4 Control reg */

#define MCFSIM_DCR		(MCF_MBAR + 0x100)	/* DRAM Control */
#define MCFSIM_DACR0		(MCF_MBAR + 0x108)	/* DRAM 0 Addr/Ctrl */
#define MCFSIM_DMR0		(MCF_MBAR + 0x10c)	/* DRAM 0 Mask */
#define MCFSIM_DACR1		(MCF_MBAR + 0x110)	/* DRAM 1 Addr/Ctrl */
#define MCFSIM_DMR1		(MCF_MBAR + 0x114)	/* DRAM 1 Mask */

/*
 * Secondary Interrupt Controller (in MBAR2)
*/
#define MCFINTC2_INTBASE	(MCF_MBAR2 + 0x168)	/* Base Vector Reg */
#define MCFINTC2_INTPRI1	(MCF_MBAR2 + 0x140)	/* 0-7 priority */
#define MCFINTC2_INTPRI2	(MCF_MBAR2 + 0x144)	/* 8-15 priority */
#define MCFINTC2_INTPRI3	(MCF_MBAR2 + 0x148)	/* 16-23 priority */
#define MCFINTC2_INTPRI4	(MCF_MBAR2 + 0x14c)	/* 24-31 priority */
#define MCFINTC2_INTPRI5	(MCF_MBAR2 + 0x150)	/* 32-39 priority */
#define MCFINTC2_INTPRI6	(MCF_MBAR2 + 0x154)	/* 40-47 priority */
#define MCFINTC2_INTPRI7	(MCF_MBAR2 + 0x158)	/* 48-55 priority */
#define MCFINTC2_INTPRI8	(MCF_MBAR2 + 0x15c)	/* 56-63 priority */

#define MCFINTC2_INTPRI_REG(i)	(MCFINTC2_INTPRI1 + \
				((((i) - MCFINTC2_VECBASE) / 8) * 4))
#define MCFINTC2_INTPRI_BITS(b, i)	((b) << (((i) % 8) * 4))

/*
 *	Timer module.
 */
#define MCFTIMER_BASE1		(MCF_MBAR + 0x140)	/* Base of TIMER1 */
#define MCFTIMER_BASE2		(MCF_MBAR + 0x180)	/* Base of TIMER2 */

/*
 *	UART module.

Annotation

Implementation Notes