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83 lines
2.8 KiB
83 lines
2.8 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Contains register definitions common to PowerPC 8xx CPUs. Notice |
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*/ |
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#ifndef _ASM_POWERPC_REG_8xx_H |
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#define _ASM_POWERPC_REG_8xx_H |
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/* Cache control on the MPC8xx is provided through some additional |
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* special purpose registers. |
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*/ |
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#define SPRN_IC_CST 560 /* Instruction cache control/status */ |
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#define SPRN_IC_ADR 561 /* Address needed for some commands */ |
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#define SPRN_IC_DAT 562 /* Read-only data register */ |
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#define SPRN_DC_CST 568 /* Data cache control/status */ |
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#define SPRN_DC_ADR 569 /* Address needed for some commands */ |
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#define SPRN_DC_DAT 570 /* Read-only data register */ |
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/* Misc Debug */ |
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#define SPRN_DPDR 630 |
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#define SPRN_MI_CAM 816 |
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#define SPRN_MI_RAM0 817 |
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#define SPRN_MI_RAM1 818 |
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#define SPRN_MD_CAM 824 |
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#define SPRN_MD_RAM0 825 |
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#define SPRN_MD_RAM1 826 |
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/* Special MSR manipulation registers */ |
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#define SPRN_EIE 80 /* External interrupt enable (EE=1, RI=1) */ |
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#define SPRN_EID 81 /* External interrupt disable (EE=0, RI=1) */ |
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#define SPRN_NRI 82 /* Non recoverable interrupt (EE=0, RI=0) */ |
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/* Debug registers */ |
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#define SPRN_CMPA 144 |
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#define SPRN_COUNTA 150 |
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#define SPRN_CMPE 152 |
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#define SPRN_CMPF 153 |
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#define SPRN_LCTRL1 156 |
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#define LCTRL1_CTE_GT 0xc0000000 |
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#define LCTRL1_CTF_LT 0x14000000 |
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#define LCTRL1_CRWE_RW 0x00000000 |
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#define LCTRL1_CRWE_RO 0x00040000 |
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#define LCTRL1_CRWE_WO 0x000c0000 |
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#define LCTRL1_CRWF_RW 0x00000000 |
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#define LCTRL1_CRWF_RO 0x00010000 |
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#define LCTRL1_CRWF_WO 0x00030000 |
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#define SPRN_LCTRL2 157 |
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#define LCTRL2_LW0EN 0x80000000 |
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#define LCTRL2_LW0LA_E 0x00000000 |
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#define LCTRL2_LW0LA_F 0x04000000 |
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#define LCTRL2_LW0LA_EandF 0x08000000 |
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#define LCTRL2_LW0LADC 0x02000000 |
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#define LCTRL2_SLW0EN 0x00000002 |
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#ifdef CONFIG_PPC_8xx |
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#define SPRN_ICTRL 158 |
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#endif |
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#define SPRN_BAR 159 |
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/* Commands. Only the first few are available to the instruction cache. |
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*/ |
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#define IDC_ENABLE 0x02000000 /* Cache enable */ |
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#define IDC_DISABLE 0x04000000 /* Cache disable */ |
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#define IDC_LDLCK 0x06000000 /* Load and lock */ |
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#define IDC_UNLINE 0x08000000 /* Unlock line */ |
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#define IDC_UNALL 0x0a000000 /* Unlock all */ |
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#define IDC_INVALL 0x0c000000 /* Invalidate all */ |
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#define DC_FLINE 0x0e000000 /* Flush data cache line */ |
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#define DC_SFWT 0x01000000 /* Set forced writethrough mode */ |
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#define DC_CFWT 0x03000000 /* Clear forced writethrough mode */ |
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#define DC_SLES 0x05000000 /* Set little endian swap mode */ |
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#define DC_CLES 0x07000000 /* Clear little endian swap mode */ |
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/* Status. |
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*/ |
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#define IDC_ENABLED 0x80000000 /* Cache is enabled */ |
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#define IDC_CERR1 0x00200000 /* Cache error 1 */ |
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#define IDC_CERR2 0x00100000 /* Cache error 2 */ |
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#define IDC_CERR3 0x00080000 /* Cache error 3 */ |
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#define DC_DFWT 0x40000000 /* Data cache is forced write through */ |
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#define DC_LES 0x20000000 /* Caches are little endian mode */ |
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#endif /* _ASM_POWERPC_REG_8xx_H */
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