/* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright (C) 2005 Ivan Kokshaysky * Copyright (C) SAN People * * Memory Controllers (MC, EBI, SMC, SDRAMC, BFC) - System peripherals * registers. * Based on AT91RM9200 datasheet revision E. */ #ifndef _LINUX_MFD_SYSCON_ATMEL_MC_H_ #define _LINUX_MFD_SYSCON_ATMEL_MC_H_ /* Memory Controller */ #define AT91_MC_RCR 0x00 #define AT91_MC_RCB BIT(0) #define AT91_MC_ASR 0x04 #define AT91_MC_UNADD BIT(0) #define AT91_MC_MISADD BIT(1) #define AT91_MC_ABTSZ GENMASK(9, 8) #define AT91_MC_ABTSZ_BYTE (0 << 8) #define AT91_MC_ABTSZ_HALFWORD (1 << 8) #define AT91_MC_ABTSZ_WORD (2 << 8) #define AT91_MC_ABTTYP GENMASK(11, 10) #define AT91_MC_ABTTYP_DATAREAD (0 << 10) #define AT91_MC_ABTTYP_DATAWRITE (1 << 10) #define AT91_MC_ABTTYP_FETCH (2 << 10) #define AT91_MC_MST(n) BIT(16 + (n)) #define AT91_MC_SVMST(n) BIT(24 + (n)) #define AT91_MC_AASR 0x08 #define AT91_MC_MPR 0x0c #define AT91_MPR_MSTP(n) GENMASK(2 + ((x) * 4), ((x) * 4)) /* External Bus Interface (EBI) registers */ #define AT91_MC_EBI_CSA 0x60 #define AT91_MC_EBI_CS(n) BIT(x) #define AT91_MC_EBI_NUM_CS 8 #define AT91_MC_EBI_CFGR 0x64 #define AT91_MC_EBI_DBPUC BIT(0) /* Static Memory Controller (SMC) registers */ #define AT91_MC_SMC_CSR(n) (0x70 + ((n) * 4)) #define AT91_MC_SMC_NWS GENMASK(6, 0) #define AT91_MC_SMC_NWS_(x) ((x) << 0) #define AT91_MC_SMC_WSEN BIT(7) #define AT91_MC_SMC_TDF GENMASK(11, 8) #define AT91_MC_SMC_TDF_(x) ((x) << 8) #define AT91_MC_SMC_TDF_MAX 0xf #define AT91_MC_SMC_BAT BIT(12) #define AT91_MC_SMC_DBW GENMASK(14, 13) #define AT91_MC_SMC_DBW_16 (1 << 13) #define AT91_MC_SMC_DBW_8 (2 << 13) #define AT91_MC_SMC_DPR BIT(15) #define AT91_MC_SMC_ACSS GENMASK(17, 16) #define AT91_MC_SMC_ACSS_(x) ((x) << 16) #define AT91_MC_SMC_ACSS_MAX 3 #define AT91_MC_SMC_RWSETUP GENMASK(26, 24) #define AT91_MC_SMC_RWSETUP_(x) ((x) << 24) #define AT91_MC_SMC_RWHOLD GENMASK(30, 28) #define AT91_MC_SMC_RWHOLD_(x) ((x) << 28) #define AT91_MC_SMC_RWHOLDSETUP_MAX 7 /* SDRAM Controller registers */ #define AT91_MC_SDRAMC_MR 0x90 #define AT91_MC_SDRAMC_MODE GENMASK(3, 0) #define AT91_MC_SDRAMC_MODE_NORMAL (0 << 0) #define AT91_MC_SDRAMC_MODE_NOP (1 << 0) #define AT91_MC_SDRAMC_MODE_PRECHARGE (2 << 0) #define AT91_MC_SDRAMC_MODE_LMR (3 << 0) #define AT91_MC_SDRAMC_MODE_REFRESH (4 << 0) #define AT91_MC_SDRAMC_DBW_16 BIT(4) #define AT91_MC_SDRAMC_TR 0x94 #define AT91_MC_SDRAMC_COUNT GENMASK(11, 0) #define AT91_MC_SDRAMC_CR 0x98 #define AT91_MC_SDRAMC_NC GENMASK(1, 0) #define AT91_MC_SDRAMC_NC_8 (0 << 0) #define AT91_MC_SDRAMC_NC_9 (1 << 0) #define AT91_MC_SDRAMC_NC_10 (2 << 0) #define AT91_MC_SDRAMC_NC_11 (3 << 0) #define AT91_MC_SDRAMC_NR GENMASK(3, 2) #define AT91_MC_SDRAMC_NR_11 (0 << 2) #define AT91_MC_SDRAMC_NR_12 (1 << 2) #define AT91_MC_SDRAMC_NR_13 (2 << 2) #define AT91_MC_SDRAMC_NB BIT(4) #define AT91_MC_SDRAMC_NB_2 (0 << 4) #define AT91_MC_SDRAMC_NB_4 (1 << 4) #define AT91_MC_SDRAMC_CAS GENMASK(6, 5) #define AT91_MC_SDRAMC_CAS_2 (2 << 5) #define AT91_MC_SDRAMC_TWR GENMASK(10, 7) #define AT91_MC_SDRAMC_TRC GENMASK(14, 11) #define AT91_MC_SDRAMC_TRP GENMASK(18, 15) #define AT91_MC_SDRAMC_TRCD GENMASK(22, 19) #define AT91_MC_SDRAMC_TRAS GENMASK(26, 23) #define AT91_MC_SDRAMC_TXSR GENMASK(30, 27) #define AT91_MC_SDRAMC_SRR 0x9c #define AT91_MC_SDRAMC_SRCB BIT(0) #define AT91_MC_SDRAMC_LPR 0xa0 #define AT91_MC_SDRAMC_LPCB BIT(0) #define AT91_MC_SDRAMC_IER 0xa4 #define AT91_MC_SDRAMC_IDR 0xa8 #define AT91_MC_SDRAMC_IMR 0xac #define AT91_MC_SDRAMC_ISR 0xb0 #define AT91_MC_SDRAMC_RES BIT(0) /* Burst Flash Controller register */ #define AT91_MC_BFC_MR 0xc0 #define AT91_MC_BFC_BFCOM GENMASK(1, 0) #define AT91_MC_BFC_BFCOM_DISABLED (0 << 0) #define AT91_MC_BFC_BFCOM_ASYNC (1 << 0) #define AT91_MC_BFC_BFCOM_BURST (2 << 0) #define AT91_MC_BFC_BFCC GENMASK(3, 2) #define AT91_MC_BFC_BFCC_MCK (1 << 2) #define AT91_MC_BFC_BFCC_DIV2 (2 << 2) #define AT91_MC_BFC_BFCC_DIV4 (3 << 2) #define AT91_MC_BFC_AVL GENMASK(7, 4) #define AT91_MC_BFC_PAGES GENMASK(10, 8) #define AT91_MC_BFC_PAGES_NO_PAGE (0 << 8) #define AT91_MC_BFC_PAGES_16 (1 << 8) #define AT91_MC_BFC_PAGES_32 (2 << 8) #define AT91_MC_BFC_PAGES_64 (3 << 8) #define AT91_MC_BFC_PAGES_128 (4 << 8) #define AT91_MC_BFC_PAGES_256 (5 << 8) #define AT91_MC_BFC_PAGES_512 (6 << 8) #define AT91_MC_BFC_PAGES_1024 (7 << 8) #define AT91_MC_BFC_OEL GENMASK(13, 12) #define AT91_MC_BFC_BAAEN BIT(16) #define AT91_MC_BFC_BFOEH BIT(17) #define AT91_MC_BFC_MUXEN BIT(18) #define AT91_MC_BFC_RDYEN BIT(19) #endif /* _LINUX_MFD_SYSCON_ATMEL_MC_H_ */