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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
- /* 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 LCTRL1_CTE_GT 0xc0000000
- #define LCTRL1_CTF_LT 0x14000000
- #define LCTRL1_CRWE_RW 0x00000000
- #define LCTRL1_CRWE_RO 0x00040000
- #define LCTRL1_CRWE_WO 0x000c0000
- #define LCTRL1_CRWF_RW 0x00000000
- #define LCTRL1_CRWF_RO 0x00010000
- #define LCTRL1_CRWF_WO 0x00030000
- #define SPRN_LCTRL2 157
- #define LCTRL2_LW0EN 0x80000000
- #define LCTRL2_LW0LA_E 0x00000000
- #define LCTRL2_LW0LA_F 0x04000000
- #define LCTRL2_LW0LA_EandF 0x08000000
- #define LCTRL2_LW0LADC 0x02000000
- #define LCTRL2_SLW0EN 0x00000002
- #ifdef CONFIG_PPC_8xx
- #define SPRN_ICTRL 158
- #endif
- #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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