75 lines
1.9 KiB
C
75 lines
1.9 KiB
C
/*
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* (C) Copyright 2009 Faraday Technology
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* Po-Yu Chuang <ratbert@faraday-tech.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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/*
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* Static Memory Controller
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*/
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#ifndef __FTSMC020_H
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#define __FTSMC020_H
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#ifndef __ASSEMBLY__
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struct ftsmc020_bank {
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unsigned int cr;
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unsigned int tpr;
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};
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struct ftsmc020 {
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struct ftsmc020_bank bank[4]; /* 0x00 - 0x1c */
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unsigned int pad[8]; /* 0x20 - 0x3c */
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unsigned int ssr; /* 0x40 */
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};
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void ftsmc020_init(void);
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#endif /* __ASSEMBLY__ */
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/*
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* Memory Bank Configuration Register
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*/
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#define FTSMC020_BANK_ENABLE (1 << 28)
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#define FTSMC020_BANK_BASE(x) ((x) & 0x0fff1000)
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#define FTSMC020_BANK_WPROT (1 << 11)
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#define FTSMC020_BANK_TYPE1 (1 << 10)
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#define FTSMC020_BANK_TYPE2 (1 << 9)
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#define FTSMC020_BANK_TYPE3 (1 << 8)
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#define FTSMC020_BANK_SIZE_32K (0xb << 4)
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#define FTSMC020_BANK_SIZE_64K (0xc << 4)
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#define FTSMC020_BANK_SIZE_128K (0xd << 4)
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#define FTSMC020_BANK_SIZE_256K (0xe << 4)
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#define FTSMC020_BANK_SIZE_512K (0xf << 4)
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#define FTSMC020_BANK_SIZE_1M (0x0 << 4)
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#define FTSMC020_BANK_SIZE_2M (0x1 << 4)
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#define FTSMC020_BANK_SIZE_4M (0x2 << 4)
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#define FTSMC020_BANK_SIZE_8M (0x3 << 4)
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#define FTSMC020_BANK_SIZE_16M (0x4 << 4)
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#define FTSMC020_BANK_SIZE_32M (0x5 << 4)
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#define FTSMC020_BANK_SIZE_64M (0x6 << 4)
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#define FTSMC020_BANK_MBW_8 (0x0 << 0)
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#define FTSMC020_BANK_MBW_16 (0x1 << 0)
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#define FTSMC020_BANK_MBW_32 (0x2 << 0)
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/*
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* Memory Bank Timing Parameter Register
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*/
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#define FTSMC020_TPR_ETRNA(x) (((x) & 0xf) << 28)
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#define FTSMC020_TPR_EATI(x) (((x) & 0xf) << 24)
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#define FTSMC020_TPR_RBE (1 << 20)
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#define FTSMC020_TPR_AST(x) (((x) & 0x3) << 18)
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#define FTSMC020_TPR_CTW(x) (((x) & 0x3) << 16)
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#define FTSMC020_TPR_ATI(x) (((x) & 0xf) << 12)
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#define FTSMC020_TPR_AT2(x) (((x) & 0x3) << 8)
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#define FTSMC020_TPR_WTC(x) (((x) & 0x3) << 6)
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#define FTSMC020_TPR_AHT(x) (((x) & 0x3) << 4)
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#define FTSMC020_TPR_TRNA(x) (((x) & 0xf) << 0)
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#endif /* __FTSMC020_H */
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