111 lines
4.2 KiB
C
111 lines
4.2 KiB
C
/***************************************************************************
|
|
* Copyright (C) 2009 by Alexei Babich *
|
|
* Rezonans plc., Chelyabinsk, Russia *
|
|
* impatt@mail.ru *
|
|
* *
|
|
* 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., *
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
|
|
***************************************************************************/
|
|
|
|
/*
|
|
* Freescale iMX3* OpenOCD NAND Flash controller support.
|
|
*
|
|
* Many thanks to Ben Dooks for writing s3c24xx driver.
|
|
*/
|
|
|
|
#define MX3_NF_BASE_ADDR 0xb8000000
|
|
#define MX3_NF_BUFSIZ (MX3_NF_BASE_ADDR + 0xe00)
|
|
#define MX3_NF_BUFADDR (MX3_NF_BASE_ADDR + 0xe04)
|
|
#define MX3_NF_FADDR (MX3_NF_BASE_ADDR + 0xe06)
|
|
#define MX3_NF_FCMD (MX3_NF_BASE_ADDR + 0xe08)
|
|
#define MX3_NF_BUFCFG (MX3_NF_BASE_ADDR + 0xe0a)
|
|
#define MX3_NF_ECCSTATUS (MX3_NF_BASE_ADDR + 0xe0c)
|
|
#define MX3_NF_ECCMAINPOS (MX3_NF_BASE_ADDR + 0xe0e)
|
|
#define MX3_NF_ECCSPAREPOS (MX3_NF_BASE_ADDR + 0xe10)
|
|
#define MX3_NF_FWP (MX3_NF_BASE_ADDR + 0xe12)
|
|
#define MX3_NF_LOCKSTART (MX3_NF_BASE_ADDR + 0xe14)
|
|
#define MX3_NF_LOCKEND (MX3_NF_BASE_ADDR + 0xe16)
|
|
#define MX3_NF_FWPSTATUS (MX3_NF_BASE_ADDR + 0xe18)
|
|
/*
|
|
* all bits not marked as self-clearing bit
|
|
*/
|
|
#define MX3_NF_CFG1 (MX3_NF_BASE_ADDR + 0xe1a)
|
|
#define MX3_NF_CFG2 (MX3_NF_BASE_ADDR + 0xe1c)
|
|
|
|
#define MX3_NF_MAIN_BUFFER0 (MX3_NF_BASE_ADDR + 0x0000)
|
|
#define MX3_NF_MAIN_BUFFER1 (MX3_NF_BASE_ADDR + 0x0200)
|
|
#define MX3_NF_MAIN_BUFFER2 (MX3_NF_BASE_ADDR + 0x0400)
|
|
#define MX3_NF_MAIN_BUFFER3 (MX3_NF_BASE_ADDR + 0x0600)
|
|
#define MX3_NF_SPARE_BUFFER0 (MX3_NF_BASE_ADDR + 0x0800)
|
|
#define MX3_NF_SPARE_BUFFER1 (MX3_NF_BASE_ADDR + 0x0810)
|
|
#define MX3_NF_SPARE_BUFFER2 (MX3_NF_BASE_ADDR + 0x0820)
|
|
#define MX3_NF_SPARE_BUFFER3 (MX3_NF_BASE_ADDR + 0x0830)
|
|
#define MX3_NF_MAIN_BUFFER_LEN 512
|
|
#define MX3_NF_SPARE_BUFFER_LEN 16
|
|
#define MX3_NF_LAST_BUFFER_ADDR ((MX3_NF_SPARE_BUFFER3) + MX3_NF_SPARE_BUFFER_LEN - 2)
|
|
|
|
/* bits in MX3_NF_CFG1 register */
|
|
#define MX3_NF_BIT_SPARE_ONLY_EN (1<<2)
|
|
#define MX3_NF_BIT_ECC_EN (1<<3)
|
|
#define MX3_NF_BIT_INT_DIS (1<<4)
|
|
#define MX3_NF_BIT_BE_EN (1<<5)
|
|
#define MX3_NF_BIT_RESET_EN (1<<6)
|
|
#define MX3_NF_BIT_FORCE_CE (1<<7)
|
|
|
|
/* bits in MX3_NF_CFG2 register */
|
|
|
|
/*Flash Command Input*/
|
|
#define MX3_NF_BIT_OP_FCI (1<<0)
|
|
/*
|
|
* Flash Address Input
|
|
*/
|
|
#define MX3_NF_BIT_OP_FAI (1<<1)
|
|
/*
|
|
* Flash Data Input
|
|
*/
|
|
#define MX3_NF_BIT_OP_FDI (1<<2)
|
|
|
|
/* see "enum mx_dataout_type" below */
|
|
#define MX3_NF_BIT_DATAOUT_TYPE(x) ((x)<<3)
|
|
#define MX3_NF_BIT_OP_DONE (1<<15)
|
|
|
|
#define MX3_CCM_CGR2 0x53f80028
|
|
#define MX3_GPR 0x43fac008
|
|
#define MX3_PCSR 0x53f8000c
|
|
|
|
enum mx_dataout_type {
|
|
MX3_NF_DATAOUT_PAGE = 1,
|
|
MX3_NF_DATAOUT_NANDID = 2,
|
|
MX3_NF_DATAOUT_NANDSTATUS = 4,
|
|
};
|
|
enum mx_nf_finalize_action {
|
|
MX3_NF_FIN_NONE,
|
|
MX3_NF_FIN_DATAOUT,
|
|
};
|
|
|
|
struct mx3_nf_flags {
|
|
unsigned host_little_endian:1;
|
|
unsigned target_little_endian:1;
|
|
unsigned nand_readonly:1;
|
|
unsigned one_kb_sram:1;
|
|
unsigned hw_ecc_enabled:1;
|
|
};
|
|
|
|
struct mx3_nf_controller {
|
|
enum mx_dataout_type optype;
|
|
enum mx_nf_finalize_action fin;
|
|
struct mx3_nf_flags flags;
|
|
};
|