/* * * (c) 2009 Magnus Lilja <lilja.magnus@gmail.com> * * See file CREDITS for list of people who contributed to this * project. * * 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., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #ifndef __FSL_NFC_H #define __FSL_NFC_H /* * Register map and bit definitions for the Freescale NAND Flash * Controller present in i.MX31 and other devices. */ struct fsl_nfc_regs { u32 main_area0[128]; /* @0x000 */ u32 main_area1[128]; u32 main_area2[128]; u32 main_area3[128]; u32 spare_area0[4]; u32 spare_area1[4]; u32 spare_area2[4]; u32 spare_area3[4]; u32 reserved1[64 - 16 + 64 * 5]; u16 bufsiz; /* @ 0xe00 */ u16 reserved2; u16 buffer_address; u16 flash_add; u16 flash_cmd; u16 configuration; u16 ecc_status_result; u16 ecc_rslt_main_area; u16 ecc_rslt_spare_area; u16 nf_wr_prot; u16 unlock_start_blk_add; u16 unlock_end_blk_add; u16 nand_flash_wr_pr_st; u16 nand_flash_config1; u16 nand_flash_config2; }; /* * Set INT to 0, FCMD to 1, rest to 0 in NFC_CONFIG2 Register for Command * operation */ #define NFC_CMD 0x1 /* * Set INT to 0, FADD to 1, rest to 0 in NFC_CONFIG2 Register for Address * operation */ #define NFC_ADDR 0x2 /* * Set INT to 0, FDI to 1, rest to 0 in NFC_CONFIG2 Register for Input * operation */ #define NFC_INPUT 0x4 /* * Set INT to 0, FDO to 001, rest to 0 in NFC_CONFIG2 Register for Data * Output operation */ #define NFC_OUTPUT 0x8 /* * Set INT to 0, FD0 to 010, rest to 0 in NFC_CONFIG2 Register for Read ID * operation */ #define NFC_ID 0x10 /* * Set INT to 0, FDO to 100, rest to 0 in NFC_CONFIG2 Register for Read * Status operation */ #define NFC_STATUS 0x20 /* * Set INT to 1, rest to 0 in NFC_CONFIG2 Register for Read Status * operation */ #define NFC_INT 0x8000 #define NFC_SP_EN (1 << 2) #define NFC_ECC_EN (1 << 3) #define NFC_INT_MSK (1 << 4) #define NFC_BIG (1 << 5) #define NFC_RST (1 << 6) #define NFC_CE (1 << 7) #define NFC_ONE_CYCLE (1 << 8) #endif /* __FSL_NFC_H */