projects / mirror_ubuntu-focal-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 88278ca2 | 2 | /* |
| 1da177e4 LT |
3 | * mxcc.h: Definitions of the Viking MXCC registers |
| 4 | * | |
| 5 | * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) | |
| 6 | */ | |
| 7 | ||
| 8 | #ifndef _SPARC_MXCC_H | |
| 9 | #define _SPARC_MXCC_H | |
| 10 | ||
| 11 | /* These registers are accessed through ASI 0x2. */ | |
| 12 | #define MXCC_DATSTREAM 0x1C00000 /* Data stream register */ | |
| 13 | #define MXCC_SRCSTREAM 0x1C00100 /* Source stream register */ | |
| 14 | #define MXCC_DESSTREAM 0x1C00200 /* Destination stream register */ | |
| 15 | #define MXCC_RMCOUNT 0x1C00300 /* Count of references and misses */ | |
| 16 | #define MXCC_STEST 0x1C00804 /* Internal self-test */ | |
| 17 | #define MXCC_CREG 0x1C00A04 /* Control register */ | |
| 18 | #define MXCC_SREG 0x1C00B00 /* Status register */ | |
| 19 | #define MXCC_RREG 0x1C00C04 /* Reset register */ | |
| 20 | #define MXCC_EREG 0x1C00E00 /* Error code register */ | |
| 21 | #define MXCC_PREG 0x1C00F04 /* Address port register */ | |
| 22 | ||
| 23 | /* Some MXCC constants. */ | |
| 24 | #define MXCC_STREAM_SIZE 0x20 /* Size in bytes of one stream r/w */ | |
| 25 | ||
| 26 | /* The MXCC Control Register: | |
| 27 | * | |
| 28 | * ---------------------------------------------------------------------- | |
| 29 | * | | RRC | RSV |PRE|MCE|PARE|ECE|RSV| | |
| 30 | * ---------------------------------------------------------------------- | |
| 31 | * 31 10 9 8-6 5 4 3 2 1-0 | |
| 32 | * | |
| 33 | * RRC: Controls what you read from MXCC_RMCOUNT reg. | |
| 34 | * 0=Misses 1=References | |
| 35 | * PRE: Prefetch enable | |
| 36 | * MCE: Multiple Command Enable | |
| 37 | * PARE: Parity enable | |
| 38 | * ECE: External cache enable | |
| 39 | */ | |
| 40 | ||
| 41 | #define MXCC_CTL_RRC 0x00000200 | |
| 42 | #define MXCC_CTL_PRE 0x00000020 | |
| 43 | #define MXCC_CTL_MCE 0x00000010 | |
| 44 | #define MXCC_CTL_PARE 0x00000008 | |
| 45 | #define MXCC_CTL_ECE 0x00000004 | |
| 46 | ||
| 47 | /* The MXCC Error Register: | |
| 48 | * | |
| 49 | * -------------------------------------------------------- | |
| 50 | * |ME| RSV|CE|PEW|PEE|ASE|EIV| MOPC|ECODE|PRIV|RSV|HPADDR| | |
| 51 | * -------------------------------------------------------- | |
| 52 | * 31 30 29 28 27 26 25 24-15 14-7 6 5-3 2-0 | |
| 53 | * | |
| 54 | * ME: Multiple Errors have occurred | |
| 55 | * CE: Cache consistency Error | |
| 56 | * PEW: Parity Error during a Write operation | |
| 57 | * PEE: Parity Error involving the External cache | |
| 58 | * ASE: ASynchronous Error | |
| 59 | * EIV: This register is toast | |
| 60 | * MOPC: MXCC Operation Code for instance causing error | |
| 61 | * ECODE: The Error CODE | |
| 62 | * PRIV: A privileged mode error? 0=no 1=yes | |
| 63 | * HPADDR: High PhysicalADDRess bits (35-32) | |
| 64 | */ | |
| 65 | ||
| 66 | #define MXCC_ERR_ME 0x80000000 | |
| 67 | #define MXCC_ERR_CE 0x20000000 | |
| 68 | #define MXCC_ERR_PEW 0x10000000 | |
| 69 | #define MXCC_ERR_PEE 0x08000000 | |
| 70 | #define MXCC_ERR_ASE 0x04000000 | |
| 71 | #define MXCC_ERR_EIV 0x02000000 | |
| 72 | #define MXCC_ERR_MOPC 0x01FF8000 | |
| 73 | #define MXCC_ERR_ECODE 0x00007F80 | |
| 74 | #define MXCC_ERR_PRIV 0x00000040 | |
| 75 | #define MXCC_ERR_HPADDR 0x0000000f | |
| 76 | ||
| 77 | /* The MXCC Port register: | |
| 78 | * | |
| 79 | * ----------------------------------------------------- | |
| 80 | * | | MID | | | |
| 81 | * ----------------------------------------------------- | |
| 82 | * 31 21 20-18 17 0 | |
| 83 | * | |
| 84 | * MID: The moduleID of the cpu your read this from. | |
| 85 | */ | |
| 86 | ||
| 87 | #ifndef __ASSEMBLY__ | |
| 88 | ||
| 3115624e | 89 | static inline void mxcc_set_stream_src(unsigned long *paddr) |
| 1da177e4 LT |
90 | { |
| 91 | unsigned long data0 = paddr[0]; | |
| 92 | unsigned long data1 = paddr[1]; | |
| 93 | ||
| 94 | __asm__ __volatile__ ("or %%g0, %0, %%g2\n\t" | |
| 95 | "or %%g0, %1, %%g3\n\t" | |
| 96 | "stda %%g2, [%2] %3\n\t" : : | |
| 97 | "r" (data0), "r" (data1), | |
| 98 | "r" (MXCC_SRCSTREAM), | |
| 99 | "i" (ASI_M_MXCC) : "g2", "g3"); | |
| 100 | } | |
| 101 | ||
| 3115624e | 102 | static inline void mxcc_set_stream_dst(unsigned long *paddr) |
| 1da177e4 LT |
103 | { |
| 104 | unsigned long data0 = paddr[0]; | |
| 105 | unsigned long data1 = paddr[1]; | |
| 106 | ||
| 107 | __asm__ __volatile__ ("or %%g0, %0, %%g2\n\t" | |
| 108 | "or %%g0, %1, %%g3\n\t" | |
| 109 | "stda %%g2, [%2] %3\n\t" : : | |
| 110 | "r" (data0), "r" (data1), | |
| 111 | "r" (MXCC_DESSTREAM), | |
| 112 | "i" (ASI_M_MXCC) : "g2", "g3"); | |
| 113 | } | |
| 114 | ||
| 3115624e | 115 | static inline unsigned long mxcc_get_creg(void) |
| 1da177e4 LT |
116 | { |
| 117 | unsigned long mxcc_control; | |
| 118 | ||
| 205a7eda TC |
119 | __asm__ __volatile__("set 0xffffffff, %%g2\n\t" |
| 120 | "set 0xffffffff, %%g3\n\t" | |
| 1da177e4 LT |
121 | "stda %%g2, [%1] %2\n\t" |
| 122 | "lda [%3] %2, %0\n\t" : | |
| 123 | "=r" (mxcc_control) : | |
| 124 | "r" (MXCC_EREG), "i" (ASI_M_MXCC), | |
| 125 | "r" (MXCC_CREG) : "g2", "g3"); | |
| 126 | return mxcc_control; | |
| 127 | } | |
| 128 | ||
| 3115624e | 129 | static inline void mxcc_set_creg(unsigned long mxcc_control) |
| 1da177e4 LT |
130 | { |
| 131 | __asm__ __volatile__("sta %0, [%1] %2\n\t" : : | |
| 132 | "r" (mxcc_control), "r" (MXCC_CREG), | |
| 133 | "i" (ASI_M_MXCC)); | |
| 134 | } | |
| 135 | ||
| 136 | #endif /* !__ASSEMBLY__ */ | |
| 137 | ||
| 138 | #endif /* !(_SPARC_MXCC_H) */ |