diff options
Diffstat (limited to 'arch/arm/include/asm/arch-a320/ftsmc020.h')
| -rw-r--r-- | arch/arm/include/asm/arch-a320/ftsmc020.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-a320/ftsmc020.h b/arch/arm/include/asm/arch-a320/ftsmc020.h new file mode 100644 index 0000000..95d9500 --- /dev/null +++ b/arch/arm/include/asm/arch-a320/ftsmc020.h @@ -0,0 +1,79 @@ +/* + * (C) Copyright 2009 Faraday Technology + * Po-Yu Chuang <ratbert@faraday-tech.com> + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +/* + * Static Memory Controller + */ +#ifndef __FTSMC020_H +#define __FTSMC020_H + +#ifndef __ASSEMBLY__ + +struct ftsmc020 { + struct { + unsigned int cr; /* 0x00, 0x08, 0x10, 0x18 */ + unsigned int tpr; /* 0x04, 0x0c, 0x14, 0x1c */ + } bank[4]; + unsigned int pad[8]; /* 0x20 - 0x3c */ + unsigned int ssr; /* 0x40 */ +}; + +void ftsmc020_init(void); + +#endif /* __ASSEMBLY__ */ + +/* + * Memory Bank Configuration Register + */ +#define FTSMC020_BANK_ENABLE (1 << 28) +#define FTSMC020_BANK_BASE(x) ((x) & 0x0fff1000) + +#define FTSMC020_BANK_WPROT (1 << 11) + +#define FTSMC020_BANK_SIZE_32K (0xb << 4) +#define FTSMC020_BANK_SIZE_64K (0xc << 4) +#define FTSMC020_BANK_SIZE_128K (0xd << 4) +#define FTSMC020_BANK_SIZE_256K (0xe << 4) +#define FTSMC020_BANK_SIZE_512K (0xf << 4) +#define FTSMC020_BANK_SIZE_1M (0x0 << 4) +#define FTSMC020_BANK_SIZE_2M (0x1 << 4) +#define FTSMC020_BANK_SIZE_4M (0x2 << 4) +#define FTSMC020_BANK_SIZE_8M (0x3 << 4) +#define FTSMC020_BANK_SIZE_16M (0x4 << 4) +#define FTSMC020_BANK_SIZE_32M (0x5 << 4) + +#define FTSMC020_BANK_MBW_8 (0x0 << 0) +#define FTSMC020_BANK_MBW_16 (0x1 << 0) +#define FTSMC020_BANK_MBW_32 (0x2 << 0) + +/* + * Memory Bank Timing Parameter Register + */ +#define FTSMC020_TPR_ETRNA(x) (((x) & 0xf) << 28) +#define FTSMC020_TPR_EATI(x) (((x) & 0xf) << 24) +#define FTSMC020_TPR_RBE (1 << 20) +#define FTSMC020_TPR_AST(x) (((x) & 0x3) << 18) +#define FTSMC020_TPR_CTW(x) (((x) & 0x3) << 16) +#define FTSMC020_TPR_ATI(x) (((x) & 0xf) << 12) +#define FTSMC020_TPR_AT2(x) (((x) & 0x3) << 8) +#define FTSMC020_TPR_WTC(x) (((x) & 0x3) << 6) +#define FTSMC020_TPR_AHT(x) (((x) & 0x3) << 4) +#define FTSMC020_TPR_TRNA(x) (((x) & 0xf) << 0) + +#endif /* __FTSMC020_H */ |