1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Copyright (C) 2005 Ivan Kokshaysky 4 * Copyright (C) SAN People 5 * 6 * Memory Controllers (MC, EBI, SMC, SDRAMC, BFC) - System peripherals 7 * registers. 8 * Based on AT91RM9200 datasheet revision E. 9 */ 10 11 #ifndef _LINUX_MFD_SYSCON_ATMEL_MC_H_ 12 #define _LINUX_MFD_SYSCON_ATMEL_MC_H_ 13 14 /* Memory Controller */ 15 #define AT91_MC_RCR 0x00 16 #define AT91_MC_RCB BIT(0) 17 18 #define AT91_MC_ASR 0x04 19 #define AT91_MC_UNADD BIT(0) 20 #define AT91_MC_MISADD BIT(1) 21 #define AT91_MC_ABTSZ GENMASK(9, 8) 22 #define AT91_MC_ABTSZ_BYTE (0 << 8) 23 #define AT91_MC_ABTSZ_HALFWORD (1 << 8) 24 #define AT91_MC_ABTSZ_WORD (2 << 8) 25 #define AT91_MC_ABTTYP GENMASK(11, 10) 26 #define AT91_MC_ABTTYP_DATAREAD (0 << 10) 27 #define AT91_MC_ABTTYP_DATAWRITE (1 << 10) 28 #define AT91_MC_ABTTYP_FETCH (2 << 10) 29 #define AT91_MC_MST(n) BIT(16 + (n)) 30 #define AT91_MC_SVMST(n) BIT(24 + (n)) 31 32 #define AT91_MC_AASR 0x08 33 34 #define AT91_MC_MPR 0x0c 35 #define AT91_MPR_MSTP(n) GENMASK(2 + ((x) * 4), ((x) * 4)) 36 37 /* External Bus Interface (EBI) registers */ 38 #define AT91_MC_EBI_CSA 0x60 39 #define AT91_MC_EBI_CS(n) BIT(x) 40 #define AT91_MC_EBI_NUM_CS 8 41 42 #define AT91_MC_EBI_CFGR 0x64 43 #define AT91_MC_EBI_DBPUC BIT(0) 44 45 /* Static Memory Controller (SMC) registers */ 46 #define AT91_MC_SMC_CSR(n) (0x70 + ((n) * 4)) 47 #define AT91_MC_SMC_NWS GENMASK(6, 0) 48 #define AT91_MC_SMC_NWS_(x) ((x) << 0) 49 #define AT91_MC_SMC_WSEN BIT(7) 50 #define AT91_MC_SMC_TDF GENMASK(11, 8) 51 #define AT91_MC_SMC_TDF_(x) ((x) << 8) 52 #define AT91_MC_SMC_TDF_MAX 0xf 53 #define AT91_MC_SMC_BAT BIT(12) 54 #define AT91_MC_SMC_DBW GENMASK(14, 13) 55 #define AT91_MC_SMC_DBW_16 (1 << 13) 56 #define AT91_MC_SMC_DBW_8 (2 << 13) 57 #define AT91_MC_SMC_DPR BIT(15) 58 #define AT91_MC_SMC_ACSS GENMASK(17, 16) 59 #define AT91_MC_SMC_ACSS_(x) ((x) << 16) 60 #define AT91_MC_SMC_ACSS_MAX 3 61 #define AT91_MC_SMC_RWSETUP GENMASK(26, 24) 62 #define AT91_MC_SMC_RWSETUP_(x) ((x) << 24) 63 #define AT91_MC_SMC_RWHOLD GENMASK(30, 28) 64 #define AT91_MC_SMC_RWHOLD_(x) ((x) << 28) 65 #define AT91_MC_SMC_RWHOLDSETUP_MAX 7 66 67 /* SDRAM Controller registers */ 68 #define AT91_MC_SDRAMC_MR 0x90 69 #define AT91_MC_SDRAMC_MODE GENMASK(3, 0) 70 #define AT91_MC_SDRAMC_MODE_NORMAL (0 << 0) 71 #define AT91_MC_SDRAMC_MODE_NOP (1 << 0) 72 #define AT91_MC_SDRAMC_MODE_PRECHARGE (2 << 0) 73 #define AT91_MC_SDRAMC_MODE_LMR (3 << 0) 74 #define AT91_MC_SDRAMC_MODE_REFRESH (4 << 0) 75 #define AT91_MC_SDRAMC_DBW_16 BIT(4) 76 77 #define AT91_MC_SDRAMC_TR 0x94 78 #define AT91_MC_SDRAMC_COUNT GENMASK(11, 0) 79 80 #define AT91_MC_SDRAMC_CR 0x98 81 #define AT91_MC_SDRAMC_NC GENMASK(1, 0) 82 #define AT91_MC_SDRAMC_NC_8 (0 << 0) 83 #define AT91_MC_SDRAMC_NC_9 (1 << 0) 84 #define AT91_MC_SDRAMC_NC_10 (2 << 0) 85 #define AT91_MC_SDRAMC_NC_11 (3 << 0) 86 #define AT91_MC_SDRAMC_NR GENMASK(3, 2) 87 #define AT91_MC_SDRAMC_NR_11 (0 << 2) 88 #define AT91_MC_SDRAMC_NR_12 (1 << 2) 89 #define AT91_MC_SDRAMC_NR_13 (2 << 2) 90 #define AT91_MC_SDRAMC_NB BIT(4) 91 #define AT91_MC_SDRAMC_NB_2 (0 << 4) 92 #define AT91_MC_SDRAMC_NB_4 (1 << 4) 93 #define AT91_MC_SDRAMC_CAS GENMASK(6, 5) 94 #define AT91_MC_SDRAMC_CAS_2 (2 << 5) 95 #define AT91_MC_SDRAMC_TWR GENMASK(10, 7) 96 #define AT91_MC_SDRAMC_TRC GENMASK(14, 11) 97 #define AT91_MC_SDRAMC_TRP GENMASK(18, 15) 98 #define AT91_MC_SDRAMC_TRCD GENMASK(22, 19) 99 #define AT91_MC_SDRAMC_TRAS GENMASK(26, 23) 100 #define AT91_MC_SDRAMC_TXSR GENMASK(30, 27) 101 102 #define AT91_MC_SDRAMC_SRR 0x9c 103 #define AT91_MC_SDRAMC_SRCB BIT(0) 104 105 #define AT91_MC_SDRAMC_LPR 0xa0 106 #define AT91_MC_SDRAMC_LPCB BIT(0) 107 108 #define AT91_MC_SDRAMC_IER 0xa4 109 #define AT91_MC_SDRAMC_IDR 0xa8 110 #define AT91_MC_SDRAMC_IMR 0xac 111 #define AT91_MC_SDRAMC_ISR 0xb0 112 #define AT91_MC_SDRAMC_RES BIT(0) 113 114 /* Burst Flash Controller register */ 115 #define AT91_MC_BFC_MR 0xc0 116 #define AT91_MC_BFC_BFCOM GENMASK(1, 0) 117 #define AT91_MC_BFC_BFCOM_DISABLED (0 << 0) 118 #define AT91_MC_BFC_BFCOM_ASYNC (1 << 0) 119 #define AT91_MC_BFC_BFCOM_BURST (2 << 0) 120 #define AT91_MC_BFC_BFCC GENMASK(3, 2) 121 #define AT91_MC_BFC_BFCC_MCK (1 << 2) 122 #define AT91_MC_BFC_BFCC_DIV2 (2 << 2) 123 #define AT91_MC_BFC_BFCC_DIV4 (3 << 2) 124 #define AT91_MC_BFC_AVL GENMASK(7, 4) 125 #define AT91_MC_BFC_PAGES GENMASK(10, 8) 126 #define AT91_MC_BFC_PAGES_NO_PAGE (0 << 8) 127 #define AT91_MC_BFC_PAGES_16 (1 << 8) 128 #define AT91_MC_BFC_PAGES_32 (2 << 8) 129 #define AT91_MC_BFC_PAGES_64 (3 << 8) 130 #define AT91_MC_BFC_PAGES_128 (4 << 8) 131 #define AT91_MC_BFC_PAGES_256 (5 << 8) 132 #define AT91_MC_BFC_PAGES_512 (6 << 8) 133 #define AT91_MC_BFC_PAGES_1024 (7 << 8) 134 #define AT91_MC_BFC_OEL GENMASK(13, 12) 135 #define AT91_MC_BFC_BAAEN BIT(16) 136 #define AT91_MC_BFC_BFOEH BIT(17) 137 #define AT91_MC_BFC_MUXEN BIT(18) 138 #define AT91_MC_BFC_RDYEN BIT(19) 139 140 #endif /* _LINUX_MFD_SYSCON_ATMEL_MC_H_ */ 141