atmel-mc.h (4681B)
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_ */