1 /* 2 * (C) Copyright 2009 Faraday Technology 3 * Po-Yu Chuang <ratbert@faraday-tech.com> 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 18 */ 19 20 /* 21 * Static Memory Controller 22 */ 23 #ifndef __FTSMC020_H 24 #define __FTSMC020_H 25 26 #ifndef __ASSEMBLY__ 27 28 struct ftsmc020_bank { 29 unsigned int cr; 30 unsigned int tpr; 31 }; 32 33 struct ftsmc020 { 34 struct ftsmc020_bank bank[4]; /* 0x00 - 0x1c */ 35 unsigned int pad[8]; /* 0x20 - 0x3c */ 36 unsigned int ssr; /* 0x40 */ 37 }; 38 39 void ftsmc020_init(void); 40 41 #endif /* __ASSEMBLY__ */ 42 43 /* 44 * Memory Bank Configuration Register 45 */ 46 #define FTSMC020_BANK_ENABLE (1 << 28) 47 #define FTSMC020_BANK_BASE(x) ((x) & 0x0fff1000) 48 49 #define FTSMC020_BANK_WPROT (1 << 11) 50 51 #define FTSMC020_BANK_SIZE_32K (0xb << 4) 52 #define FTSMC020_BANK_SIZE_64K (0xc << 4) 53 #define FTSMC020_BANK_SIZE_128K (0xd << 4) 54 #define FTSMC020_BANK_SIZE_256K (0xe << 4) 55 #define FTSMC020_BANK_SIZE_512K (0xf << 4) 56 #define FTSMC020_BANK_SIZE_1M (0x0 << 4) 57 #define FTSMC020_BANK_SIZE_2M (0x1 << 4) 58 #define FTSMC020_BANK_SIZE_4M (0x2 << 4) 59 #define FTSMC020_BANK_SIZE_8M (0x3 << 4) 60 #define FTSMC020_BANK_SIZE_16M (0x4 << 4) 61 #define FTSMC020_BANK_SIZE_32M (0x5 << 4) 62 63 #define FTSMC020_BANK_MBW_8 (0x0 << 0) 64 #define FTSMC020_BANK_MBW_16 (0x1 << 0) 65 #define FTSMC020_BANK_MBW_32 (0x2 << 0) 66 67 /* 68 * Memory Bank Timing Parameter Register 69 */ 70 #define FTSMC020_TPR_ETRNA(x) (((x) & 0xf) << 28) 71 #define FTSMC020_TPR_EATI(x) (((x) & 0xf) << 24) 72 #define FTSMC020_TPR_RBE (1 << 20) 73 #define FTSMC020_TPR_AST(x) (((x) & 0x3) << 18) 74 #define FTSMC020_TPR_CTW(x) (((x) & 0x3) << 16) 75 #define FTSMC020_TPR_ATI(x) (((x) & 0xf) << 12) 76 #define FTSMC020_TPR_AT2(x) (((x) & 0x3) << 8) 77 #define FTSMC020_TPR_WTC(x) (((x) & 0x3) << 6) 78 #define FTSMC020_TPR_AHT(x) (((x) & 0x3) << 4) 79 #define FTSMC020_TPR_TRNA(x) (((x) & 0xf) << 0) 80 81 #endif /* __FTSMC020_H */ 82