| Magnus Lilja | 40c642b | 2009-06-13 20:50:01 +0200 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * (c) 2009 Magnus Lilja <lilja.magnus@gmail.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 __FSL_NFC_H |
| 25 | #define __FSL_NFC_H |
| 26 | |
| 27 | /* |
| 28 | * Register map and bit definitions for the Freescale NAND Flash |
| 29 | * Controller present in i.MX31 and other devices. |
| 30 | */ |
| 31 | |
| 32 | struct fsl_nfc_regs { |
| 33 | u32 main_area0[128]; /* @0x000 */ |
| 34 | u32 main_area1[128]; |
| 35 | u32 main_area2[128]; |
| 36 | u32 main_area3[128]; |
| 37 | u32 spare_area0[4]; |
| 38 | u32 spare_area1[4]; |
| 39 | u32 spare_area2[4]; |
| 40 | u32 spare_area3[4]; |
| 41 | u32 reserved1[64 - 16 + 64 * 5]; |
| 42 | u16 bufsiz; /* @ 0xe00 */ |
| 43 | u16 reserved2; |
| 44 | u16 buffer_address; |
| 45 | u16 flash_add; |
| 46 | u16 flash_cmd; |
| 47 | u16 configuration; |
| 48 | u16 ecc_status_result; |
| 49 | u16 ecc_rslt_main_area; |
| 50 | u16 ecc_rslt_spare_area; |
| 51 | u16 nf_wr_prot; |
| 52 | u16 unlock_start_blk_add; |
| 53 | u16 unlock_end_blk_add; |
| 54 | u16 nand_flash_wr_pr_st; |
| 55 | u16 nand_flash_config1; |
| 56 | u16 nand_flash_config2; |
| 57 | }; |
| 58 | |
| 59 | /* |
| 60 | * Set INT to 0, FCMD to 1, rest to 0 in NFC_CONFIG2 Register for Command |
| 61 | * operation |
| 62 | */ |
| 63 | #define NFC_CMD 0x1 |
| 64 | |
| 65 | /* |
| 66 | * Set INT to 0, FADD to 1, rest to 0 in NFC_CONFIG2 Register for Address |
| 67 | * operation |
| 68 | */ |
| 69 | #define NFC_ADDR 0x2 |
| 70 | |
| 71 | /* |
| 72 | * Set INT to 0, FDI to 1, rest to 0 in NFC_CONFIG2 Register for Input |
| 73 | * operation |
| 74 | */ |
| 75 | #define NFC_INPUT 0x4 |
| 76 | |
| 77 | /* |
| 78 | * Set INT to 0, FDO to 001, rest to 0 in NFC_CONFIG2 Register for Data |
| 79 | * Output operation |
| 80 | */ |
| 81 | #define NFC_OUTPUT 0x8 |
| 82 | |
| 83 | /* |
| 84 | * Set INT to 0, FD0 to 010, rest to 0 in NFC_CONFIG2 Register for Read ID |
| 85 | * operation |
| 86 | */ |
| 87 | #define NFC_ID 0x10 |
| 88 | |
| 89 | /* |
| 90 | * Set INT to 0, FDO to 100, rest to 0 in NFC_CONFIG2 Register for Read |
| 91 | * Status operation |
| 92 | */ |
| 93 | #define NFC_STATUS 0x20 |
| 94 | |
| 95 | /* |
| 96 | * Set INT to 1, rest to 0 in NFC_CONFIG2 Register for Read Status |
| 97 | * operation |
| 98 | */ |
| 99 | #define NFC_INT 0x8000 |
| 100 | |
| 101 | #define NFC_SP_EN (1 << 2) |
| 102 | #define NFC_ECC_EN (1 << 3) |
| 103 | #define NFC_INT_MSK (1 << 4) |
| 104 | #define NFC_BIG (1 << 5) |
| 105 | #define NFC_RST (1 << 6) |
| 106 | #define NFC_CE (1 << 7) |
| 107 | #define NFC_ONE_CYCLE (1 << 8) |
| 108 | |
| 109 | #endif /* __FSL_NFC_H */ |