| Vipin KUMAR | 204ad54 | 2010-01-15 19:15:46 +0530 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2009 |
| 3 | * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com. |
| 4 | * |
| 5 | * See file CREDITS for list of people who contributed to this |
| 6 | * project. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License as |
| 10 | * published by the Free Software Foundation; either version 2 of |
| 11 | * the License, or (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 21 | * MA 02111-1307 USA |
| 22 | */ |
| 23 | |
| 24 | #ifndef __SPR_NAND_H__ |
| 25 | #define __SPR_NAND_H__ |
| 26 | |
| 27 | struct fsmc_regs { |
| 28 | u32 reserved_1[0x10]; |
| 29 | u32 genmemctrl_pc; |
| 30 | u32 reserved_2; |
| 31 | u32 genmemctrl_comm; |
| 32 | u32 genmemctrl_attrib; |
| 33 | u32 reserved_3; |
| 34 | u32 genmemctrl_ecc; |
| 35 | }; |
| 36 | |
| 37 | /* genmemctrl_pc register definitions */ |
| 38 | #define FSMC_RESET (1 << 0) |
| 39 | #define FSMC_WAITON (1 << 1) |
| 40 | #define FSMC_ENABLE (1 << 2) |
| 41 | #define FSMC_DEVTYPE_NAND (1 << 3) |
| 42 | #define FSMC_DEVWID_8 (0 << 4) |
| 43 | #define FSMC_DEVWID_16 (1 << 4) |
| 44 | #define FSMC_ECCEN (1 << 6) |
| 45 | #define FSMC_ECCPLEN_512 (0 << 7) |
| 46 | #define FSMC_ECCPLEN_256 (1 << 7) |
| 47 | #define FSMC_TCLR_1 (1 << 9) |
| 48 | #define FSMC_TAR_1 (1 << 13) |
| 49 | |
| 50 | /* genmemctrl_comm register definitions */ |
| 51 | #define FSMC_TSET_0 (0 << 0) |
| 52 | #define FSMC_TWAIT_6 (6 << 8) |
| 53 | #define FSMC_THOLD_4 (4 << 16) |
| 54 | #define FSMC_THIZ_1 (1 << 24) |
| 55 | |
| 56 | extern int spear_nand_init(struct nand_chip *nand); |
| 57 | #endif |