1/* SPDX-License-Identifier: GPL-2.0+ */ 2/* 3 * Copyright (C) 2017 Microchip Corporation. 4 * 5 * Static Memory Controllers (SMC) - System peripherals registers. 6 * Based on SAMA5D2 datasheet. 7 */ 8 9#ifndef SAMA5D2_SMC_H 10#define SAMA5D2_SMC_H 11 12#ifdef __ASSEMBLY__ 13#define AT91_ASM_SMC_SETUP0 (ATMEL_BASE_SMC + 0x700) 14#define AT91_ASM_SMC_PULSE0 (ATMEL_BASE_SMC + 0x704) 15#define AT91_ASM_SMC_CYCLE0 (ATMEL_BASE_SMC + 0x708) 16#define AT91_ASM_SMC_TIMINGS0 (ATMEL_BASE_SMC + 0x70c) 17#define AT91_ASM_SMC_MODE0 (ATMEL_BASE_SMC + 0x710) 18#else 19struct at91_cs { 20 u32 setup; /* 0x600 SMC Setup Register */ 21 u32 pulse; /* 0x604 SMC Pulse Register */ 22 u32 cycle; /* 0x608 SMC Cycle Register */ 23 u32 timings; /* 0x60C SMC Cycle Register */ 24 u32 mode; /* 0x610 SMC Mode Register */ 25}; 26 27struct at91_smc { 28 struct at91_cs cs[4]; 29}; 30#endif /* __ASSEMBLY__ */ 31 32#define AT91_SMC_SETUP_NWE(x) (x & 0x3f) 33#define AT91_SMC_SETUP_NCS_WR(x) ((x & 0x3f) << 8) 34#define AT91_SMC_SETUP_NRD(x) ((x & 0x3f) << 16) 35#define AT91_SMC_SETUP_NCS_RD(x) ((x & 0x3f) << 24) 36 37#define AT91_SMC_PULSE_NWE(x) (x & 0x7f) 38#define AT91_SMC_PULSE_NCS_WR(x) ((x & 0x7f) << 8) 39#define AT91_SMC_PULSE_NRD(x) ((x & 0x7f) << 16) 40#define AT91_SMC_PULSE_NCS_RD(x) ((x & 0x7f) << 24) 41 42#define AT91_SMC_CYCLE_NWE(x) (x & 0x1ff) 43#define AT91_SMC_CYCLE_NRD(x) ((x & 0x1ff) << 16) 44 45#define AT91_SMC_TIMINGS_TCLR(x) (x & 0xf) 46#define AT91_SMC_TIMINGS_TADL(x) ((x & 0xf) << 4) 47#define AT91_SMC_TIMINGS_TAR(x) ((x & 0xf) << 8) 48#define AT91_SMC_TIMINGS_OCMS(x) ((x & 0x1) << 12) 49#define AT91_SMC_TIMINGS_TRR(x) ((x & 0xf) << 16) 50#define AT91_SMC_TIMINGS_TWB(x) ((x & 0xf) << 24) 51#define AT91_SMC_TIMINGS_RBNSEL(x) ((x & 0xf) << 28) 52#define AT91_SMC_TIMINGS_NFSEL(x) ((x & 0x1) << 31) 53 54#define AT91_SMC_MODE_RM_NCS 0x00000000 55#define AT91_SMC_MODE_RM_NRD 0x00000001 56#define AT91_SMC_MODE_WM_NCS 0x00000000 57#define AT91_SMC_MODE_WM_NWE 0x00000002 58 59#define AT91_SMC_MODE_EXNW_DISABLE 0x00000000 60#define AT91_SMC_MODE_EXNW_FROZEN 0x00000020 61#define AT91_SMC_MODE_EXNW_READY 0x00000030 62 63#define AT91_SMC_MODE_BAT 0x00000100 64#define AT91_SMC_MODE_DBW_8 0x00000000 65#define AT91_SMC_MODE_DBW_16 0x00001000 66#define AT91_SMC_MODE_DBW_32 0x00002000 67#define AT91_SMC_MODE_TDF_CYCLE(x) ((x & 0xf) << 16) 68#define AT91_SMC_MODE_TDF 0x00100000 69#define AT91_SMC_MODE_PMEN 0x01000000 70#define AT91_SMC_MODE_PS_4 0x00000000 71#define AT91_SMC_MODE_PS_8 0x10000000 72#define AT91_SMC_MODE_PS_16 0x20000000 73#define AT91_SMC_MODE_PS_32 0x30000000 74 75#endif 76