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/* 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 */
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