cregit-Linux how code gets into the kernel

Release 4.16 arch/powerpc/include/asm/reg_8xx.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Contains register definitions common to PowerPC 8xx CPUs.  Notice
 */
#ifndef _ASM_POWERPC_REG_8xx_H

#define _ASM_POWERPC_REG_8xx_H

#include <asm/mmu.h>

/* Cache control on the MPC8xx is provided through some additional
 * special purpose registers.
 */

#define SPRN_IC_CST	560	
/* Instruction cache control/status */

#define SPRN_IC_ADR	561	
/* Address needed for some commands */

#define SPRN_IC_DAT	562	
/* Read-only data register */

#define SPRN_DC_CST	568	
/* Data cache control/status */

#define SPRN_DC_ADR	569	
/* Address needed for some commands */

#define SPRN_DC_DAT	570	
/* Read-only data register */

/* Misc Debug */

#define SPRN_DPDR	630

#define SPRN_MI_CAM	816

#define SPRN_MI_RAM0	817

#define SPRN_MI_RAM1	818

#define SPRN_MD_CAM	824

#define SPRN_MD_RAM0	825

#define SPRN_MD_RAM1	826

/* Special MSR manipulation registers */

#define SPRN_EIE	80	
/* External interrupt enable (EE=1, RI=1) */

#define SPRN_EID	81	
/* External interrupt disable (EE=0, RI=1) */

#define SPRN_NRI	82	
/* Non recoverable interrupt (EE=0, RI=0) */

/* Debug registers */

#define SPRN_CMPA	144

#define SPRN_COUNTA	150

#define SPRN_CMPE	152

#define SPRN_CMPF	153

#define SPRN_LCTRL1	156

#define SPRN_LCTRL2	157

#define SPRN_ICTRL	158

#define SPRN_BAR	159

/* Commands.  Only the first few are available to the instruction cache.
*/

#define	IDC_ENABLE	0x02000000	
/* Cache enable */

#define IDC_DISABLE	0x04000000	
/* Cache disable */

#define IDC_LDLCK	0x06000000	
/* Load and lock */

#define IDC_UNLINE	0x08000000	
/* Unlock line */

#define IDC_UNALL	0x0a000000	
/* Unlock all */

#define IDC_INVALL	0x0c000000	
/* Invalidate all */


#define DC_FLINE	0x0e000000	
/* Flush data cache line */

#define DC_SFWT		0x01000000	
/* Set forced writethrough mode */

#define DC_CFWT		0x03000000	
/* Clear forced writethrough mode */

#define DC_SLES		0x05000000	
/* Set little endian swap mode */

#define DC_CLES		0x07000000	
/* Clear little endian swap mode */

/* Status.
*/

#define IDC_ENABLED	0x80000000	
/* Cache is enabled */

#define IDC_CERR1	0x00200000	
/* Cache error 1 */

#define IDC_CERR2	0x00100000	
/* Cache error 2 */

#define IDC_CERR3	0x00080000	
/* Cache error 3 */


#define DC_DFWT		0x40000000	
/* Data cache is forced write through */

#define DC_LES		0x20000000	
/* Caches are little endian mode */

#endif /* _ASM_POWERPC_REG_8xx_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)11655.24%218.18%
Christophe Leroy8138.57%545.45%
Kumar Gala62.86%19.09%
David Gibson41.90%19.09%
Tom Rini20.95%19.09%
Greg Kroah-Hartman10.48%19.09%
Total210100.00%11100.00%
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