diff options
Diffstat (limited to 'arch/arm/include/asm/arch-at91/sama5d3_smc.h')
| -rw-r--r-- | arch/arm/include/asm/arch-at91/sama5d3_smc.h | 79 | 
1 files changed, 79 insertions, 0 deletions
| diff --git a/arch/arm/include/asm/arch-at91/sama5d3_smc.h b/arch/arm/include/asm/arch-at91/sama5d3_smc.h new file mode 100644 index 000000000..eb53eba97 --- /dev/null +++ b/arch/arm/include/asm/arch-at91/sama5d3_smc.h @@ -0,0 +1,79 @@ +/* + * Copyright (C) 2012 Atmel Corporation. + * + * Static Memory Controllers (SMC) - System peripherals registers. + * Based on SAMA5D3 datasheet. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef SAMA5D3_SMC_H +#define SAMA5D3_SMC_H + +#ifdef __ASSEMBLY__ +#define AT91_ASM_SMC_SETUP0	(ATMEL_BASE_SMC + 0x600) +#define AT91_ASM_SMC_PULSE0	(ATMEL_BASE_SMC + 0x604) +#define AT91_ASM_SMC_CYCLE0	(ATMEL_BASE_SMC + 0x608) +#define AT91_ASM_SMC_MODE0	(ATMEL_BASE_SMC + 0x60C) +#else +struct at91_cs { +	u32	reserved[96]; +	u32	setup;		/* 0x600 SMC Setup Register */ +	u32	pulse;		/* 0x604 SMC Pulse Register */ +	u32	cycle;		/* 0x608 SMC Cycle Register */ +	u32	timings;	/* 0x60C SMC Cycle Register */ +	u32	mode;		/* 0x610 SMC Mode Register */ +}; + +struct at91_smc { +	struct at91_cs cs[4]; +}; +#endif /*  __ASSEMBLY__ */ + +#define AT91_SMC_SETUP_NWE(x)		(x & 0x3f) +#define AT91_SMC_SETUP_NCS_WR(x)	((x & 0x3f) << 8) +#define AT91_SMC_SETUP_NRD(x)		((x & 0x3f) << 16) +#define AT91_SMC_SETUP_NCS_RD(x)	((x & 0x3f) << 24) + +#define AT91_SMC_PULSE_NWE(x)		(x & 0x3f) +#define AT91_SMC_PULSE_NCS_WR(x)	((x & 0x3f) << 8) +#define AT91_SMC_PULSE_NRD(x)		((x & 0x3f) << 16) +#define AT91_SMC_PULSE_NCS_RD(x)	((x & 0x3f) << 24) + +#define AT91_SMC_CYCLE_NWE(x)		(x & 0x1ff) +#define AT91_SMC_CYCLE_NRD(x)		((x & 0x1ff) << 16) + +#define AT91_SMC_TIMINGS_TCLR(x)	(x & 0xf) +#define AT91_SMC_TIMINGS_TADL(x)	((x & 0xf) << 4) +#define AT91_SMC_TIMINGS_TAR(x)		((x & 0xf) << 8) +#define AT91_SMC_TIMINGS_OCMS(x)	((x & 0x1) << 12) +#define AT91_SMC_TIMINGS_TRR(x)		((x & 0xf) << 16) +#define AT91_SMC_TIMINGS_TWB(x)		((x & 0xf) << 24) +#define AT91_SMC_TIMINGS_RBNSEL(x)	((x & 0xf) << 28) +#define AT91_SMC_TIMINGS_NFSEL(x)	((x & 0x1) << 31) + +#define AT91_SMC_MODE_RM_NCS		0x00000000 +#define AT91_SMC_MODE_RM_NRD		0x00000001 +#define AT91_SMC_MODE_WM_NCS		0x00000000 +#define AT91_SMC_MODE_WM_NWE		0x00000002 + +#define AT91_SMC_MODE_EXNW_DISABLE	0x00000000 +#define AT91_SMC_MODE_EXNW_FROZEN	0x00000020 +#define AT91_SMC_MODE_EXNW_READY	0x00000030 + +#define AT91_SMC_MODE_BAT		0x00000100 +#define AT91_SMC_MODE_DBW_8		0x00000000 +#define AT91_SMC_MODE_DBW_16		0x00001000 +#define AT91_SMC_MODE_DBW_32		0x00002000 +#define AT91_SMC_MODE_TDF_CYCLE(x)	((x & 0xf) << 16) +#define AT91_SMC_MODE_TDF		0x00100000 +#define AT91_SMC_MODE_PMEN		0x01000000 +#define AT91_SMC_MODE_PS_4		0x00000000 +#define AT91_SMC_MODE_PS_8		0x10000000 +#define AT91_SMC_MODE_PS_16		0x20000000 +#define AT91_SMC_MODE_PS_32		0x30000000 + +#endif |