1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (c) 2008 Nuovation System Designs, LLC
4 * Grant Erickson <gerickson@nuovations.com>
6 * This file defines processor mnemonics for accessing and managing
7 * the IBM DDR1/DDR2 ECC controller found in the 405EX[r], 440SP,
8 * 440SPe, 460EX, 460GT and 460SX.
11 #ifndef __PPC4XX_EDAC_H
12 #define __PPC4XX_EDAC_H
14 #include <linux/types.h>
17 * Macro for generating register field mnemonics
19 #define PPC_REG_BITS 32
20 #define PPC_REG_VAL(bit, val) ((val) << ((PPC_REG_BITS - 1) - (bit)))
21 #define PPC_REG_DECODE(bit, val) ((val) >> ((PPC_REG_BITS - 1) - (bit)))
24 * IBM 4xx DDR1/DDR2 SDRAM memory controller registers (at least those
27 #define SDRAM_BESR 0x00 /* Error status (read/clear) */
28 #define SDRAM_BESRT 0x01 /* Error statuss (test/set) */
29 #define SDRAM_BEARL 0x02 /* Error address low */
30 #define SDRAM_BEARH 0x03 /* Error address high */
31 #define SDRAM_WMIRQ 0x06 /* Write master (read/clear) */
32 #define SDRAM_WMIRQT 0x07 /* Write master (test/set) */
33 #define SDRAM_MCOPT1 0x20 /* Controller options 1 */
34 #define SDRAM_MBXCF_BASE 0x40 /* Bank n configuration base */
35 #define SDRAM_MBXCF(n) (SDRAM_MBXCF_BASE + (4 * (n)))
36 #define SDRAM_MB0CF SDRAM_MBXCF(0)
37 #define SDRAM_MB1CF SDRAM_MBXCF(1)
38 #define SDRAM_MB2CF SDRAM_MBXCF(2)
39 #define SDRAM_MB3CF SDRAM_MBXCF(3)
40 #define SDRAM_ECCCR 0x98 /* ECC error status */
41 #define SDRAM_ECCES SDRAM_ECCCR
46 #define SDRAM_PLB_M0ID_FIRST 0
47 #define SDRAM_PLB_M0ID_ICU SDRAM_PLB_M0ID_FIRST
48 #define SDRAM_PLB_M0ID_PCIE0 1
49 #define SDRAM_PLB_M0ID_PCIE1 2
50 #define SDRAM_PLB_M0ID_DMA 3
51 #define SDRAM_PLB_M0ID_DCU 4
52 #define SDRAM_PLB_M0ID_OPB 5
53 #define SDRAM_PLB_M0ID_MAL 6
54 #define SDRAM_PLB_M0ID_SEC 7
55 #define SDRAM_PLB_M0ID_AHB 8
56 #define SDRAM_PLB_M0ID_LAST SDRAM_PLB_M0ID_AHB
57 #define SDRAM_PLB_M0ID_COUNT (SDRAM_PLB_M0ID_LAST - \
58 SDRAM_PLB_M0ID_FIRST + 1)
61 * Memory Controller Bus Error Status Register
63 #define SDRAM_BESR_MASK PPC_REG_VAL(7, 0xFF)
64 #define SDRAM_BESR_M0ID_MASK PPC_REG_VAL(3, 0xF)
65 #define SDRAM_BESR_M0ID_DECODE(n) PPC_REG_DECODE(3, n)
66 #define SDRAM_BESR_M0ID_ICU PPC_REG_VAL(3, SDRAM_PLB_M0ID_ICU)
67 #define SDRAM_BESR_M0ID_PCIE0 PPC_REG_VAL(3, SDRAM_PLB_M0ID_PCIE0)
68 #define SDRAM_BESR_M0ID_PCIE1 PPC_REG_VAL(3, SDRAM_PLB_M0ID_PCIE1)
69 #define SDRAM_BESR_M0ID_DMA PPC_REG_VAL(3, SDRAM_PLB_M0ID_DMA)
70 #define SDRAM_BESR_M0ID_DCU PPC_REG_VAL(3, SDRAM_PLB_M0ID_DCU)
71 #define SDRAM_BESR_M0ID_OPB PPC_REG_VAL(3, SDRAM_PLB_M0ID_OPB)
72 #define SDRAM_BESR_M0ID_MAL PPC_REG_VAL(3, SDRAM_PLB_M0ID_MAL)
73 #define SDRAM_BESR_M0ID_SEC PPC_REG_VAL(3, SDRAM_PLB_M0ID_SEC)
74 #define SDRAM_BESR_M0ID_AHB PPC_REG_VAL(3, SDRAM_PLB_M0ID_AHB)
75 #define SDRAM_BESR_M0ET_MASK PPC_REG_VAL(6, 0x7)
76 #define SDRAM_BESR_M0ET_NONE PPC_REG_VAL(6, 0)
77 #define SDRAM_BESR_M0ET_ECC PPC_REG_VAL(6, 1)
78 #define SDRAM_BESR_M0RW_MASK PPC_REG_VAL(7, 1)
79 #define SDRAM_BESR_M0RW_WRITE PPC_REG_VAL(7, 0)
80 #define SDRAM_BESR_M0RW_READ PPC_REG_VAL(7, 1)
83 * Memory Controller PLB Write Master Interrupt Register
85 #define SDRAM_WMIRQ_MASK PPC_REG_VAL(8, 0x1FF)
86 #define SDRAM_WMIRQ_ENCODE(id) PPC_REG_VAL((id % \
87 SDRAM_PLB_M0ID_COUNT), 1)
88 #define SDRAM_WMIRQ_ICU PPC_REG_VAL(SDRAM_PLB_M0ID_ICU, 1)
89 #define SDRAM_WMIRQ_PCIE0 PPC_REG_VAL(SDRAM_PLB_M0ID_PCIE0, 1)
90 #define SDRAM_WMIRQ_PCIE1 PPC_REG_VAL(SDRAM_PLB_M0ID_PCIE1, 1)
91 #define SDRAM_WMIRQ_DMA PPC_REG_VAL(SDRAM_PLB_M0ID_DMA, 1)
92 #define SDRAM_WMIRQ_DCU PPC_REG_VAL(SDRAM_PLB_M0ID_DCU, 1)
93 #define SDRAM_WMIRQ_OPB PPC_REG_VAL(SDRAM_PLB_M0ID_OPB, 1)
94 #define SDRAM_WMIRQ_MAL PPC_REG_VAL(SDRAM_PLB_M0ID_MAL, 1)
95 #define SDRAM_WMIRQ_SEC PPC_REG_VAL(SDRAM_PLB_M0ID_SEC, 1)
96 #define SDRAM_WMIRQ_AHB PPC_REG_VAL(SDRAM_PLB_M0ID_AHB, 1)
99 * Memory Controller Options 1 Register
101 #define SDRAM_MCOPT1_MCHK_MASK PPC_REG_VAL(3, 0x3) /* ECC mask */
102 #define SDRAM_MCOPT1_MCHK_NON PPC_REG_VAL(3, 0x0) /* No ECC gen */
103 #define SDRAM_MCOPT1_MCHK_GEN PPC_REG_VAL(3, 0x2) /* ECC gen */
104 #define SDRAM_MCOPT1_MCHK_CHK PPC_REG_VAL(3, 0x1) /* ECC gen and chk */
105 #define SDRAM_MCOPT1_MCHK_CHK_REP PPC_REG_VAL(3, 0x3) /* ECC gen/chk/rpt */
106 #define SDRAM_MCOPT1_MCHK_DECODE(n) ((((u32)(n)) >> 28) & 0x3)
107 #define SDRAM_MCOPT1_RDEN_MASK PPC_REG_VAL(4, 0x1) /* Rgstrd DIMM mask */
108 #define SDRAM_MCOPT1_RDEN PPC_REG_VAL(4, 0x1) /* Rgstrd DIMM enbl */
109 #define SDRAM_MCOPT1_WDTH_MASK PPC_REG_VAL(7, 0x1) /* Width mask */
110 #define SDRAM_MCOPT1_WDTH_32 PPC_REG_VAL(7, 0x0) /* 32 bits */
111 #define SDRAM_MCOPT1_WDTH_16 PPC_REG_VAL(7, 0x1) /* 16 bits */
112 #define SDRAM_MCOPT1_DDR_TYPE_MASK PPC_REG_VAL(11, 0x1) /* DDR type mask */
113 #define SDRAM_MCOPT1_DDR1_TYPE PPC_REG_VAL(11, 0x0) /* DDR1 type */
114 #define SDRAM_MCOPT1_DDR2_TYPE PPC_REG_VAL(11, 0x1) /* DDR2 type */
117 * Memory Bank 0 - n Configuration Register
119 #define SDRAM_MBCF_BA_MASK PPC_REG_VAL(12, 0x1FFF)
120 #define SDRAM_MBCF_SZ_MASK PPC_REG_VAL(19, 0xF)
121 #define SDRAM_MBCF_SZ_DECODE(mbxcf) PPC_REG_DECODE(19, mbxcf)
122 #define SDRAM_MBCF_SZ_4MB PPC_REG_VAL(19, 0x0)
123 #define SDRAM_MBCF_SZ_8MB PPC_REG_VAL(19, 0x1)
124 #define SDRAM_MBCF_SZ_16MB PPC_REG_VAL(19, 0x2)
125 #define SDRAM_MBCF_SZ_32MB PPC_REG_VAL(19, 0x3)
126 #define SDRAM_MBCF_SZ_64MB PPC_REG_VAL(19, 0x4)
127 #define SDRAM_MBCF_SZ_128MB PPC_REG_VAL(19, 0x5)
128 #define SDRAM_MBCF_SZ_256MB PPC_REG_VAL(19, 0x6)
129 #define SDRAM_MBCF_SZ_512MB PPC_REG_VAL(19, 0x7)
130 #define SDRAM_MBCF_SZ_1GB PPC_REG_VAL(19, 0x8)
131 #define SDRAM_MBCF_SZ_2GB PPC_REG_VAL(19, 0x9)
132 #define SDRAM_MBCF_SZ_4GB PPC_REG_VAL(19, 0xA)
133 #define SDRAM_MBCF_SZ_8GB PPC_REG_VAL(19, 0xB)
134 #define SDRAM_MBCF_AM_MASK PPC_REG_VAL(23, 0xF)
135 #define SDRAM_MBCF_AM_MODE0 PPC_REG_VAL(23, 0x0)
136 #define SDRAM_MBCF_AM_MODE1 PPC_REG_VAL(23, 0x1)
137 #define SDRAM_MBCF_AM_MODE2 PPC_REG_VAL(23, 0x2)
138 #define SDRAM_MBCF_AM_MODE3 PPC_REG_VAL(23, 0x3)
139 #define SDRAM_MBCF_AM_MODE4 PPC_REG_VAL(23, 0x4)
140 #define SDRAM_MBCF_AM_MODE5 PPC_REG_VAL(23, 0x5)
141 #define SDRAM_MBCF_AM_MODE6 PPC_REG_VAL(23, 0x6)
142 #define SDRAM_MBCF_AM_MODE7 PPC_REG_VAL(23, 0x7)
143 #define SDRAM_MBCF_AM_MODE8 PPC_REG_VAL(23, 0x8)
144 #define SDRAM_MBCF_AM_MODE9 PPC_REG_VAL(23, 0x9)
145 #define SDRAM_MBCF_BE_MASK PPC_REG_VAL(31, 0x1)
146 #define SDRAM_MBCF_BE_DISABLE PPC_REG_VAL(31, 0x0)
147 #define SDRAM_MBCF_BE_ENABLE PPC_REG_VAL(31, 0x1)
152 #define SDRAM_ECCES_MASK PPC_REG_VAL(21, 0x3FFFFF)
153 #define SDRAM_ECCES_BNCE_MASK PPC_REG_VAL(15, 0xFFFF)
154 #define SDRAM_ECCES_BNCE_ENCODE(lane) PPC_REG_VAL(((lane) & 0xF), 1)
155 #define SDRAM_ECCES_CKBER_MASK PPC_REG_VAL(17, 0x3)
156 #define SDRAM_ECCES_CKBER_NONE PPC_REG_VAL(17, 0)
157 #define SDRAM_ECCES_CKBER_16_ECC_0_3 PPC_REG_VAL(17, 2)
158 #define SDRAM_ECCES_CKBER_32_ECC_0_3 PPC_REG_VAL(17, 1)
159 #define SDRAM_ECCES_CKBER_32_ECC_4_8 PPC_REG_VAL(17, 2)
160 #define SDRAM_ECCES_CKBER_32_ECC_0_8 PPC_REG_VAL(17, 3)
161 #define SDRAM_ECCES_CE PPC_REG_VAL(18, 1)
162 #define SDRAM_ECCES_UE PPC_REG_VAL(19, 1)
163 #define SDRAM_ECCES_BKNER_MASK PPC_REG_VAL(21, 0x3)
164 #define SDRAM_ECCES_BK0ER PPC_REG_VAL(20, 1)
165 #define SDRAM_ECCES_BK1ER PPC_REG_VAL(21, 1)
167 #endif /* __PPC4XX_EDAC_H */