diff options
Diffstat (limited to 'arch/arm/include/asm/arch-at91/at91_mc.h')
| -rw-r--r-- | arch/arm/include/asm/arch-at91/at91_mc.h | 97 | 
1 files changed, 97 insertions, 0 deletions
| diff --git a/arch/arm/include/asm/arch-at91/at91_mc.h b/arch/arm/include/asm/arch-at91/at91_mc.h new file mode 100644 index 000000000..acfbd10c5 --- /dev/null +++ b/arch/arm/include/asm/arch-at91/at91_mc.h @@ -0,0 +1,97 @@ +/* + * Copyright (C) 2009 Jens Scharsig (js_at_ng@scharsoft.de) + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef AT91_MC_H +#define AT91_MC_H + +#define AT91_ASM_MC_EBI_CSA	(AT91_MC_BASE + 0x60) +#define AT91_ASM_MC_EBI_CFG	(AT91_MC_BASE + 0x64) +#define AT91_ASM_MC_SMC_CSR0	(AT91_MC_BASE + 0x70) +#define AT91_ASM_MC_SDRAMC_MR	(AT91_MC_BASE + 0x90) +#define AT91_ASM_MC_SDRAMC_TR	(AT91_MC_BASE + 0x94) +#define AT91_ASM_MC_SDRAMC_CR	(AT91_MC_BASE + 0x98) + +#ifndef __ASSEMBLY__ + +typedef struct at91_ebi { +	u32 	csa;		/* 0x00 Chip Select Assignment Register */ +	u32	cfgr;		/* 0x04 Configuration Register */ +	u32	reserved[2]; +} __attribute__ ((packed)) at91_ebi_t; + +#define AT91_EBI_CSA_CS0A	0x0001 +#define AT91_EBI_CSA_CS1A	0x0002 + +#define AT91_EBI_CSA_CS3A	0x0008 +#define AT91_EBI_CSA_CS4A	0x0010 + +typedef struct at91_sdramc { +	u32	mr; 	/* 0x00 SDRAMC Mode Register */ +	u32	tr; 	/* 0x04 SDRAMC Refresh Timer Register */ +	u32	cr; 	/* 0x08 SDRAMC Configuration Register */ +	u32	ssr; 	/* 0x0C SDRAMC Self Refresh Register */ +	u32	lpr; 	/* 0x10 SDRAMC Low Power Register */ +	u32	ier; 	/* 0x14 SDRAMC Interrupt Enable Register */ +	u32	idr; 	/* 0x18 SDRAMC Interrupt Disable Register */ +	u32	imr; 	/* 0x1C SDRAMC Interrupt Mask Register */ +	u32	icr; 	/* 0x20 SDRAMC Interrupt Status Register */ +	u32	reserved[3]; +} __attribute__ ((packed)) at91_sdramc_t; + +typedef struct at91_smc { +	u32	csr[8]; 	/* 0x00 SDRAMC Mode Register */ +} __attribute__ ((packed)) at91_smc_t; + +#define AT91_SMC_CSR_RWHOLD(x)		((x & 0x7) << 28) +#define AT91_SMC_CSR_RWSETUP(x)		((x & 0x7) << 24) +#define AT91_SMC_CSR_ACSS_STANDARD	0x00000000 +#define AT91_SMC_CSR_ACSS_1CYCLE	0x00010000 +#define AT91_SMC_CSR_ACSS_2CYCLE	0x00020000 +#define AT91_SMC_CSR_ACSS_3CYCLE	0x00030000 +#define AT91_SMC_CSR_DRP		0x00008000 +#define AT91_SMC_CSR_DBW_8		0x00004000 +#define AT91_SMC_CSR_DBW_16		0x00002000 +#define AT91_SMC_CSR_BAT_8		0x00000000 +#define AT91_SMC_CSR_BAT_16		0x00001000 +#define AT91_SMC_CSR_TDF(x)		((x & 0xF) << 8) +#define AT91_SMC_CSR_WSEN		0x00000080 +#define AT91_SMC_CSR_NWS(x)		(x & 0x7F) + +typedef struct at91_bfc { +	u32	mr; 	/* 0x00 SDRAMC Mode Register */ +} __attribute__ ((packed)) at91_bfc_t; + +typedef struct at91_mc { +	u32		rcr;		/* 0x00 MC Remap Control Register */ +	u32		asr;		/* 0x04 MC Abort Status Register */ +	u32		aasr;		/* 0x08 MC Abort Address Status Reg */ +	u32		mpr;		/* 0x0C MC Master Priority Register */ +	u32		reserved1[20];	/* 0x10-0x5C */ +	at91_ebi_t	ebi;		/* 0x60	- 0x6C EBI */ +	at91_smc_t	smc;		/* 0x70 - 0x8C SMC User Interface */ +	at91_sdramc_t	sdramc;		/* 0x90 - 0xBC SDRAMC User Interface */ +	at91_bfc_t	bfc;		/* 0xC0 BFC User Interface */ +	u32		reserved2[15]; +} __attribute__ ((packed)) at91_mc_t; + +#endif +#endif |