209 lines
5.6 KiB
C
209 lines
5.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
|
|
/*
|
|
* (c) 2009 Magnus Lilja <lilja.magnus@gmail.com>
|
|
*/
|
|
|
|
#ifndef __MXC_NAND_H
|
|
#define __MXC_NAND_H
|
|
|
|
/*
|
|
* 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 and MX35 have version 2.1, and MX51 and MX53 have version 3.2, which
|
|
* have:
|
|
* 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_MX27) || defined(CONFIG_MX31)
|
|
#define MXC_NFC_V1
|
|
#define is_mxc_nfc_1() 1
|
|
#define is_mxc_nfc_21() 0
|
|
#define is_mxc_nfc_32() 0
|
|
#elif defined(CONFIG_MX25) || defined(CONFIG_MX35)
|
|
#define MXC_NFC_V2_1
|
|
#define is_mxc_nfc_1() 0
|
|
#define is_mxc_nfc_21() 1
|
|
#define is_mxc_nfc_32() 0
|
|
#elif defined(CONFIG_MX51) || defined(CONFIG_MX53)
|
|
#define MXC_NFC_V3
|
|
#define MXC_NFC_V3_2
|
|
#define is_mxc_nfc_1() 0
|
|
#define is_mxc_nfc_21() 0
|
|
#define is_mxc_nfc_32() 1
|
|
#else
|
|
#error "MXC NFC implementation not supported"
|
|
#endif
|
|
#define is_mxc_nfc_3() is_mxc_nfc_32()
|
|
|
|
#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
|
|
#elif defined(MXC_NFC_V2_1) || defined(MXC_NFC_V3_2)
|
|
#define NAND_MXC_NR_BUFS 8
|
|
#define NAND_MXC_SPARE_BUF_SIZE 64
|
|
#define NAND_MXC_REG_OFFSET 0x1e00
|
|
#endif
|
|
|
|
struct mxc_nand_regs {
|
|
u8 main_area[NAND_MXC_NR_BUFS][0x200];
|
|
u8 spare_area[NAND_MXC_NR_BUFS][NAND_MXC_SPARE_BUF_SIZE];
|
|
/*
|
|
* 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 buf_size;
|
|
u16 reserved2;
|
|
u16 buf_addr;
|
|
u16 flash_addr;
|
|
u16 flash_cmd;
|
|
u16 config;
|
|
u16 ecc_status_result;
|
|
u16 rsltmain_area;
|
|
u16 rsltspare_area;
|
|
u16 wrprot;
|
|
u16 unlockstart_blkaddr;
|
|
u16 unlockend_blkaddr;
|
|
u16 nf_wrprst;
|
|
u16 config1;
|
|
u16 config2;
|
|
#elif defined(MXC_NFC_V2_1)
|
|
u16 reserved2[2];
|
|
u16 buf_addr;
|
|
u16 flash_addr;
|
|
u16 flash_cmd;
|
|
u16 config;
|
|
u32 ecc_status_result;
|
|
u16 spare_area_size;
|
|
u16 wrprot;
|
|
u16 reserved3[2];
|
|
u16 nf_wrprst;
|
|
u16 config1;
|
|
u16 config2;
|
|
u16 reserved4;
|
|
u16 unlockstart_blkaddr;
|
|
u16 unlockend_blkaddr;
|
|
u16 unlockstart_blkaddr1;
|
|
u16 unlockend_blkaddr1;
|
|
u16 unlockstart_blkaddr2;
|
|
u16 unlockend_blkaddr2;
|
|
u16 unlockstart_blkaddr3;
|
|
u16 unlockend_blkaddr3;
|
|
#elif defined(MXC_NFC_V3_2)
|
|
u32 flash_cmd;
|
|
u32 flash_addr[12];
|
|
u32 config1;
|
|
u32 ecc_status_result;
|
|
u32 status_sum;
|
|
u32 launch;
|
|
#endif
|
|
};
|
|
|
|
#ifdef MXC_NFC_V3_2
|
|
struct mxc_nand_ip_regs {
|
|
u32 wrprot;
|
|
u32 wrprot_unlock_blkaddr[8];
|
|
u32 config2;
|
|
u32 config3;
|
|
u32 ipc;
|
|
u32 err_addr;
|
|
u32 delay_line;
|
|
};
|
|
#endif
|
|
|
|
/* Set FCMD to 1, rest to 0 for Command operation */
|
|
#define NFC_CMD 0x1
|
|
|
|
/* Set FADD to 1, rest to 0 for Address operation */
|
|
#define NFC_ADDR 0x2
|
|
|
|
/* Set FDI to 1, rest to 0 for Input operation */
|
|
#define NFC_INPUT 0x4
|
|
|
|
/* Set FDO to 001, rest to 0 for Data Output operation */
|
|
#define NFC_OUTPUT 0x8
|
|
|
|
/* Set FDO to 010, rest to 0 for Read ID operation */
|
|
#define NFC_ID 0x10
|
|
|
|
/* Set FDO to 100, rest to 0 for Read Status operation */
|
|
#define NFC_STATUS 0x20
|
|
|
|
#if defined(MXC_NFC_V1) || defined(MXC_NFC_V2_1)
|
|
#define NFC_CONFIG1_SP_EN (1 << 2)
|
|
#define NFC_CONFIG1_RST (1 << 6)
|
|
#define NFC_CONFIG1_CE (1 << 7)
|
|
#elif defined(MXC_NFC_V3_2)
|
|
#define NFC_CONFIG1_SP_EN (1 << 0)
|
|
#define NFC_CONFIG1_CE (1 << 1)
|
|
#define NFC_CONFIG1_RST (1 << 2)
|
|
#endif
|
|
#define NFC_V1_V2_CONFIG1_ECC_EN (1 << 3)
|
|
#define NFC_V1_V2_CONFIG1_INT_MSK (1 << 4)
|
|
#define NFC_V1_V2_CONFIG1_BIG (1 << 5)
|
|
#define NFC_V2_CONFIG1_ECC_MODE_4 (1 << 0)
|
|
#define NFC_V2_CONFIG1_ONE_CYCLE (1 << 8)
|
|
#define NFC_V2_CONFIG1_FP_INT (1 << 11)
|
|
#define NFC_V3_CONFIG1_RBA_MASK (0x7 << 4)
|
|
#define NFC_V3_CONFIG1_RBA(x) (((x) & 0x7) << 4)
|
|
|
|
#define NFC_V1_V2_CONFIG2_INT (1 << 15)
|
|
#define NFC_V3_CONFIG2_PS_MASK (0x3 << 0)
|
|
#define NFC_V3_CONFIG2_PS_512 (0 << 0)
|
|
#define NFC_V3_CONFIG2_PS_2048 (1 << 0)
|
|
#define NFC_V3_CONFIG2_PS_4096 (2 << 0)
|
|
#define NFC_V3_CONFIG2_ONE_CYCLE (1 << 2)
|
|
#define NFC_V3_CONFIG2_ECC_EN (1 << 3)
|
|
#define NFC_V3_CONFIG2_2CMD_PHASES (1 << 4)
|
|
#define NFC_V3_CONFIG2_NUM_ADDR_PH0 (1 << 5)
|
|
#define NFC_V3_CONFIG2_ECC_MODE_8 (1 << 6)
|
|
#define NFC_V3_CONFIG2_PPB_MASK (0x3 << 7)
|
|
#define NFC_V3_CONFIG2_PPB(x) (((x) & 0x3) << 7)
|
|
#define NFC_V3_CONFIG2_EDC_MASK (0x7 << 9)
|
|
#define NFC_V3_CONFIG2_EDC(x) (((x) & 0x7) << 9)
|
|
#define NFC_V3_CONFIG2_NUM_ADDR_PH1(x) (((x) & 0x3) << 12)
|
|
#define NFC_V3_CONFIG2_INT_MSK (1 << 15)
|
|
#define NFC_V3_CONFIG2_SPAS_MASK (0xff << 16)
|
|
#define NFC_V3_CONFIG2_SPAS(x) (((x) & 0xff) << 16)
|
|
#define NFC_V3_CONFIG2_ST_CMD_MASK (0xff << 24)
|
|
#define NFC_V3_CONFIG2_ST_CMD(x) (((x) & 0xff) << 24)
|
|
|
|
#define NFC_V3_CONFIG3_ADD_OP(x) (((x) & 0x3) << 0)
|
|
#define NFC_V3_CONFIG3_FW8 (1 << 3)
|
|
#define NFC_V3_CONFIG3_SBB(x) (((x) & 0x7) << 8)
|
|
#define NFC_V3_CONFIG3_NUM_OF_DEVS(x) (((x) & 0x7) << 12)
|
|
#define NFC_V3_CONFIG3_RBB_MODE (1 << 15)
|
|
#define NFC_V3_CONFIG3_NO_SDMA (1 << 20)
|
|
|
|
#define NFC_V3_WRPROT_UNLOCK (1 << 2)
|
|
#define NFC_V3_WRPROT_BLS_UNLOCK (2 << 6)
|
|
|
|
#define NFC_V3_IPC_CREQ (1 << 0)
|
|
#define NFC_V3_IPC_INT (1 << 31)
|
|
|
|
#if defined(MXC_NFC_V1) || defined(MXC_NFC_V2_1)
|
|
#define operation config2
|
|
#define readnfc readw
|
|
#define writenfc writew
|
|
#elif defined(MXC_NFC_V3_2)
|
|
#define operation launch
|
|
#define readnfc readl
|
|
#define writenfc writel
|
|
#endif
|
|
|
|
#endif /* __MXC_NAND_H */
|