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1/*
2 * Copyright (C) 2012 Atmel Corporation.
3 *
4 * Static Memory Controllers (SMC) - System peripherals registers.
5 * Based on SAMA5D3 datasheet.
6 *
1a459660 7 * SPDX-License-Identifier: GPL-2.0+
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8 */
9
10#ifndef SAMA5D3_SMC_H
11#define SAMA5D3_SMC_H
12
13#ifdef __ASSEMBLY__
14#define AT91_ASM_SMC_SETUP0 (ATMEL_BASE_SMC + 0x600)
15#define AT91_ASM_SMC_PULSE0 (ATMEL_BASE_SMC + 0x604)
16#define AT91_ASM_SMC_CYCLE0 (ATMEL_BASE_SMC + 0x608)
17#define AT91_ASM_SMC_MODE0 (ATMEL_BASE_SMC + 0x60C)
18#else
19struct at91_cs {
20 u32 reserved[96];
21 u32 setup; /* 0x600 SMC Setup Register */
22 u32 pulse; /* 0x604 SMC Pulse Register */
23 u32 cycle; /* 0x608 SMC Cycle Register */
24 u32 timings; /* 0x60C SMC Cycle Register */
25 u32 mode; /* 0x610 SMC Mode Register */
26};
27
28struct at91_smc {
29 struct at91_cs cs[4];
30};
31#endif /* __ASSEMBLY__ */
32
33#define AT91_SMC_SETUP_NWE(x) (x & 0x3f)
34#define AT91_SMC_SETUP_NCS_WR(x) ((x & 0x3f) << 8)
35#define AT91_SMC_SETUP_NRD(x) ((x & 0x3f) << 16)
36#define AT91_SMC_SETUP_NCS_RD(x) ((x & 0x3f) << 24)
37
38#define AT91_SMC_PULSE_NWE(x) (x & 0x3f)
39#define AT91_SMC_PULSE_NCS_WR(x) ((x & 0x3f) << 8)
40#define AT91_SMC_PULSE_NRD(x) ((x & 0x3f) << 16)
41#define AT91_SMC_PULSE_NCS_RD(x) ((x & 0x3f) << 24)
42
43#define AT91_SMC_CYCLE_NWE(x) (x & 0x1ff)
44#define AT91_SMC_CYCLE_NRD(x) ((x & 0x1ff) << 16)
45
46#define AT91_SMC_TIMINGS_TCLR(x) (x & 0xf)
47#define AT91_SMC_TIMINGS_TADL(x) ((x & 0xf) << 4)
48#define AT91_SMC_TIMINGS_TAR(x) ((x & 0xf) << 8)
49#define AT91_SMC_TIMINGS_OCMS(x) ((x & 0x1) << 12)
50#define AT91_SMC_TIMINGS_TRR(x) ((x & 0xf) << 16)
51#define AT91_SMC_TIMINGS_TWB(x) ((x & 0xf) << 24)
52#define AT91_SMC_TIMINGS_RBNSEL(x) ((x & 0xf) << 28)
53#define AT91_SMC_TIMINGS_NFSEL(x) ((x & 0x1) << 31)
54
55#define AT91_SMC_MODE_RM_NCS 0x00000000
56#define AT91_SMC_MODE_RM_NRD 0x00000001
57#define AT91_SMC_MODE_WM_NCS 0x00000000
58#define AT91_SMC_MODE_WM_NWE 0x00000002
59
60#define AT91_SMC_MODE_EXNW_DISABLE 0x00000000
61#define AT91_SMC_MODE_EXNW_FROZEN 0x00000020
62#define AT91_SMC_MODE_EXNW_READY 0x00000030
63
64#define AT91_SMC_MODE_BAT 0x00000100
65#define AT91_SMC_MODE_DBW_8 0x00000000
66#define AT91_SMC_MODE_DBW_16 0x00001000
67#define AT91_SMC_MODE_DBW_32 0x00002000
68#define AT91_SMC_MODE_TDF_CYCLE(x) ((x & 0xf) << 16)
69#define AT91_SMC_MODE_TDF 0x00100000
70#define AT91_SMC_MODE_PMEN 0x01000000
71#define AT91_SMC_MODE_PS_4 0x00000000
72#define AT91_SMC_MODE_PS_8 0x10000000
73#define AT91_SMC_MODE_PS_16 0x20000000
74#define AT91_SMC_MODE_PS_32 0x30000000
75
76#endif