f3bb63a304
MX25 has a different version of the fsl_nfc flash controller known as version 1.1. Add support to the nand_spl fsl_nfc driver Versioning differs from mainline mxc kernel driver no consensus yet on if the naming here and in Redboot or the kernel is "correct". Signed-off-by: John Rigby <jcrigby@gmail.com> Signed-off-by: Wolfgang Denk <wd@denx.de> CC: Scott Wood <scottwood@freescale.com>
172 lines
4.3 KiB
C
172 lines
4.3 KiB
C
/*
|
|
* (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
|
|
|
|
/*
|
|
* TODO: Use same register defs for nand_spl mxc nand driver
|
|
* and mtd mxc nand driver.
|
|
*
|
|
* Register map and bit definitions for the Freescale NAND Flash
|
|
* Controller present in various i.MX devices.
|
|
*
|
|
* MX31 and MX27 have version 1 which has
|
|
* 4 512 byte main buffers and
|
|
* 4 16 byte spare buffers
|
|
* to support up to 2K byte pagesize nand.
|
|
* Reading or writing a 2K page requires 4 FDI/FDO cycles.
|
|
*
|
|
* MX25 has version 1.1 which has
|
|
* 8 512 byte main buffers and
|
|
* 8 64 byte spare buffers
|
|
* to support up to 4K byte pagesize nand.
|
|
* Reading or writing a 2K or 4K page requires only 1 FDI/FDO cycle.
|
|
* Also some of registers are moved and/or changed meaning as seen below.
|
|
*/
|
|
#if defined(CONFIG_MX31) || defined(CONFIG_MX27)
|
|
#define MXC_NFC_V1
|
|
#elif defined(CONFIG_MX25)
|
|
#define MXC_NFC_V1_1
|
|
#else
|
|
#warning "MXC NFC version not defined"
|
|
#endif
|
|
|
|
#if defined(MXC_NFC_V1)
|
|
#define NAND_MXC_NR_BUFS 4
|
|
#define NAND_MXC_SPARE_BUF_SIZE 16
|
|
#define NAND_MXC_REG_OFFSET 0xe00
|
|
#define NAND_MXC_2K_MULTI_CYCLE 1
|
|
#elif defined(MXC_NFC_V1_1)
|
|
#define NAND_MXC_NR_BUFS 8
|
|
#define NAND_MXC_SPARE_BUF_SIZE 64
|
|
#define NAND_MXC_REG_OFFSET 0x1e00
|
|
#else
|
|
#error "define CONFIG_NAND_MXC_VXXX to use the mxc spl_nand driver"
|
|
#endif
|
|
|
|
struct fsl_nfc_regs {
|
|
u32 main_area[NAND_MXC_NR_BUFS][512/4];
|
|
u32 spare_area[NAND_MXC_NR_BUFS][NAND_MXC_SPARE_BUF_SIZE/4];
|
|
/*
|
|
* reserved size is offset of nfc registers
|
|
* minus total main and spare sizes
|
|
*/
|
|
u8 reserved1[NAND_MXC_REG_OFFSET
|
|
- NAND_MXC_NR_BUFS * (512 + NAND_MXC_SPARE_BUF_SIZE)];
|
|
#if defined(MXC_NFC_V1)
|
|
u16 bufsiz;
|
|
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;
|
|
#elif defined(MXC_NFC_V1_1)
|
|
u16 reserved2[2];
|
|
u16 buffer_address;
|
|
u16 flash_add;
|
|
u16 flash_cmd;
|
|
u16 configuration;
|
|
u16 ecc_status_result;
|
|
u16 ecc_status_result2;
|
|
u16 spare_area_size;
|
|
u16 nf_wr_prot;
|
|
u16 reserved3[2];
|
|
u16 nand_flash_wr_pr_st;
|
|
u16 nand_flash_config1;
|
|
u16 nand_flash_config2;
|
|
u16 reserved4;
|
|
u16 unlock_start_blk_add0;
|
|
u16 unlock_end_blk_add0;
|
|
u16 unlock_start_blk_add1;
|
|
u16 unlock_end_blk_add1;
|
|
u16 unlock_start_blk_add2;
|
|
u16 unlock_end_blk_add2;
|
|
u16 unlock_start_blk_add3;
|
|
u16 unlock_end_blk_add3;
|
|
#endif
|
|
};
|
|
|
|
/*
|
|
* 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
|
|
|
|
#ifdef MXC_NFC_V1_1
|
|
#define NFC_4_8N_ECC (1 << 0)
|
|
#endif
|
|
#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 */
|