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/*
* 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
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