1 /***************************************************************************
2 * Copyright (C) 2009 by Alexei Babich *
3 * Rezonans plc., Chelyabinsk, Russia *
6 * This program is free software; you can redistribute it and/or modify *
7 * it under the terms of the GNU General Public License as published by *
8 * the Free Software Foundation; either version 2 of the License, or *
9 * (at your option) any later version. *
11 * This program is distributed in the hope that it will be useful, *
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
14 * GNU General Public License for more details. *
16 * You should have received a copy of the GNU General Public License *
17 * along with this program. If not, see <http://www.gnu.org/licenses/>. *
18 ***************************************************************************/
20 #ifndef OPENOCD_FLASH_NAND_MX3_H
21 #define OPENOCD_FLASH_NAND_MX3_H
24 * Freescale iMX3* OpenOCD NAND Flash controller support.
26 * Many thanks to Ben Dooks for writing s3c24xx driver.
29 #define MX3_NF_BASE_ADDR 0xb8000000
30 #define MX3_NF_BUFSIZ (MX3_NF_BASE_ADDR + 0xe00)
31 #define MX3_NF_BUFADDR (MX3_NF_BASE_ADDR + 0xe04)
32 #define MX3_NF_FADDR (MX3_NF_BASE_ADDR + 0xe06)
33 #define MX3_NF_FCMD (MX3_NF_BASE_ADDR + 0xe08)
34 #define MX3_NF_BUFCFG (MX3_NF_BASE_ADDR + 0xe0a)
35 #define MX3_NF_ECCSTATUS (MX3_NF_BASE_ADDR + 0xe0c)
36 #define MX3_NF_ECCMAINPOS (MX3_NF_BASE_ADDR + 0xe0e)
37 #define MX3_NF_ECCSPAREPOS (MX3_NF_BASE_ADDR + 0xe10)
38 #define MX3_NF_FWP (MX3_NF_BASE_ADDR + 0xe12)
39 #define MX3_NF_LOCKSTART (MX3_NF_BASE_ADDR + 0xe14)
40 #define MX3_NF_LOCKEND (MX3_NF_BASE_ADDR + 0xe16)
41 #define MX3_NF_FWPSTATUS (MX3_NF_BASE_ADDR + 0xe18)
43 * all bits not marked as self-clearing bit
45 #define MX3_NF_CFG1 (MX3_NF_BASE_ADDR + 0xe1a)
46 #define MX3_NF_CFG2 (MX3_NF_BASE_ADDR + 0xe1c)
48 #define MX3_NF_MAIN_BUFFER0 (MX3_NF_BASE_ADDR + 0x0000)
49 #define MX3_NF_MAIN_BUFFER1 (MX3_NF_BASE_ADDR + 0x0200)
50 #define MX3_NF_MAIN_BUFFER2 (MX3_NF_BASE_ADDR + 0x0400)
51 #define MX3_NF_MAIN_BUFFER3 (MX3_NF_BASE_ADDR + 0x0600)
52 #define MX3_NF_SPARE_BUFFER0 (MX3_NF_BASE_ADDR + 0x0800)
53 #define MX3_NF_SPARE_BUFFER1 (MX3_NF_BASE_ADDR + 0x0810)
54 #define MX3_NF_SPARE_BUFFER2 (MX3_NF_BASE_ADDR + 0x0820)
55 #define MX3_NF_SPARE_BUFFER3 (MX3_NF_BASE_ADDR + 0x0830)
56 #define MX3_NF_MAIN_BUFFER_LEN 512
57 #define MX3_NF_SPARE_BUFFER_LEN 16
58 #define MX3_NF_LAST_BUFFER_ADDR ((MX3_NF_SPARE_BUFFER3) + MX3_NF_SPARE_BUFFER_LEN - 2)
60 /* bits in MX3_NF_CFG1 register */
61 #define MX3_NF_BIT_SPARE_ONLY_EN (1<<2)
62 #define MX3_NF_BIT_ECC_EN (1<<3)
63 #define MX3_NF_BIT_INT_DIS (1<<4)
64 #define MX3_NF_BIT_BE_EN (1<<5)
65 #define MX3_NF_BIT_RESET_EN (1<<6)
66 #define MX3_NF_BIT_FORCE_CE (1<<7)
68 /* bits in MX3_NF_CFG2 register */
70 /*Flash Command Input*/
71 #define MX3_NF_BIT_OP_FCI (1<<0)
75 #define MX3_NF_BIT_OP_FAI (1<<1)
79 #define MX3_NF_BIT_OP_FDI (1<<2)
81 /* see "enum mx_dataout_type" below */
82 #define MX3_NF_BIT_DATAOUT_TYPE(x) ((x)<<3)
83 #define MX3_NF_BIT_OP_DONE (1<<15)
85 #define MX3_CCM_CGR2 0x53f80028
86 #define MX3_GPR 0x43fac008
87 #define MX3_PCSR 0x53f8000c
89 enum mx_dataout_type {
90 MX3_NF_DATAOUT_PAGE = 1,
91 MX3_NF_DATAOUT_NANDID = 2,
92 MX3_NF_DATAOUT_NANDSTATUS = 4,
94 enum mx_nf_finalize_action {
100 unsigned target_little_endian:1;
101 unsigned nand_readonly:1;
102 unsigned one_kb_sram:1;
103 unsigned hw_ecc_enabled:1;
106 struct mx3_nf_controller {
107 enum mx_dataout_type optype;
108 enum mx_nf_finalize_action fin;
109 struct mx3_nf_flags flags;
112 #endif /* OPENOCD_FLASH_NAND_MX3_H */