Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2008, Google Inc. |
| 3 | * All rights reserved. |
Shashank Mittal | 246f8d0 | 2011-01-21 17:12:27 -0800 | [diff] [blame] | 4 | * Copyright (c) 2009-2011, Code Aurora Forum. All rights reserved. |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions |
| 8 | * are met: |
| 9 | * * Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * * Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 13 | * the documentation and/or other materials provided with the |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 14 | * distribution. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| 19 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| 20 | * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| 22 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 23 | * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 24 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 25 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| 26 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 27 | * SUCH DAMAGE. |
| 28 | */ |
| 29 | |
| 30 | #include <debug.h> |
| 31 | #include <reg.h> |
| 32 | #include <stdlib.h> |
| 33 | #include <string.h> |
| 34 | #include <dev/flash.h> |
| 35 | #include <lib/ptable.h> |
Ajay Dudani | 168f6cb | 2009-12-07 19:04:02 -0800 | [diff] [blame] | 36 | #include <nand.h> |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 37 | |
| 38 | #include "dmov.h" |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 39 | |
| 40 | #define VERBOSE 0 |
Dima Zavin | 5582c7d | 2009-03-03 15:17:59 -0800 | [diff] [blame] | 41 | #define VERIFY_WRITE 0 |
| 42 | |
| 43 | static void *flash_spare; |
| 44 | static void *flash_data; |
Chandan Uddaraju | 14e57eb | 2010-06-28 12:11:06 -0700 | [diff] [blame] | 45 | void platform_config_interleaved_mode_gpios(void); |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 46 | |
| 47 | typedef struct dmov_ch dmov_ch; |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 48 | struct dmov_ch |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 49 | { |
| 50 | volatile unsigned cmd; |
| 51 | volatile unsigned result; |
| 52 | volatile unsigned status; |
| 53 | volatile unsigned config; |
| 54 | }; |
| 55 | |
| 56 | static void dmov_prep_ch(dmov_ch *ch, unsigned id) |
| 57 | { |
| 58 | ch->cmd = DMOV_CMD_PTR(id); |
| 59 | ch->result = DMOV_RSLT(id); |
| 60 | ch->status = DMOV_STATUS(id); |
| 61 | ch->config = DMOV_CONFIG(id); |
| 62 | } |
| 63 | |
| 64 | #define SRC_CRCI_NAND_CMD CMD_SRC_CRCI(DMOV_NAND_CRCI_CMD) |
| 65 | #define DST_CRCI_NAND_CMD CMD_DST_CRCI(DMOV_NAND_CRCI_CMD) |
| 66 | #define SRC_CRCI_NAND_DATA CMD_SRC_CRCI(DMOV_NAND_CRCI_DATA) |
| 67 | #define DST_CRCI_NAND_DATA CMD_DST_CRCI(DMOV_NAND_CRCI_DATA) |
| 68 | |
Channagoud Kadabi | 404a706 | 2011-03-21 19:27:50 +0530 | [diff] [blame^] | 69 | #define CFG0_RAW 0xA80420C0 |
| 70 | #define CFG1_RAW 0x5045D |
| 71 | |
| 72 | #define CFG0_RAW_BCHECC 0xA80428C0 |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 73 | |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 74 | static unsigned CFG0, CFG1; |
Shashank Mittal | 8e49dec | 2010-03-01 15:19:04 -0800 | [diff] [blame] | 75 | static unsigned CFG0_M, CFG1_M; |
| 76 | static unsigned CFG0_A, CFG1_A; |
Channagoud Kadabi | 404a706 | 2011-03-21 19:27:50 +0530 | [diff] [blame^] | 77 | static unsigned NAND_CFG0_RAW, NAND_CFG1_RAW; |
| 78 | static unsigned ECC_BCH_CFG; |
| 79 | |
| 80 | static uint32_t enable_bch_ecc; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 81 | |
| 82 | #define CFG1_WIDE_FLASH (1U << 1) |
| 83 | |
| 84 | #define paddr(n) ((unsigned) (n)) |
| 85 | |
| 86 | static int dmov_exec_cmdptr(unsigned id, unsigned *ptr) |
| 87 | { |
| 88 | dmov_ch ch; |
| 89 | unsigned n; |
| 90 | |
| 91 | dmov_prep_ch(&ch, id); |
| 92 | |
| 93 | writel(DMOV_CMD_PTR_LIST | DMOV_CMD_ADDR(paddr(ptr)), ch.cmd); |
| 94 | |
| 95 | while(!(readl(ch.status) & DMOV_STATUS_RSLT_VALID)) ; |
| 96 | |
| 97 | n = readl(ch.status); |
| 98 | while(DMOV_STATUS_RSLT_COUNT(n)) { |
| 99 | n = readl(ch.result); |
| 100 | if(n != 0x80000002) { |
| 101 | dprintf(CRITICAL, "ERROR: result: %x\n", n); |
| 102 | dprintf(CRITICAL, "ERROR: flush: %x %x %x %x\n", |
| 103 | readl(DMOV_FLUSH0(DMOV_NAND_CHAN)), |
| 104 | readl(DMOV_FLUSH1(DMOV_NAND_CHAN)), |
| 105 | readl(DMOV_FLUSH2(DMOV_NAND_CHAN)), |
| 106 | readl(DMOV_FLUSH3(DMOV_NAND_CHAN))); |
| 107 | } |
| 108 | n = readl(ch.status); |
| 109 | } |
| 110 | |
| 111 | return 0; |
| 112 | } |
| 113 | |
Dima Zavin | ca337f5 | 2009-03-02 16:41:44 -0800 | [diff] [blame] | 114 | static struct flash_info flash_info; |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 115 | static unsigned flash_pagesize = 0; |
Chandan Uddaraju | 14e57eb | 2010-06-28 12:11:06 -0700 | [diff] [blame] | 116 | static int interleaved_mode = 0; |
Channagoud Kadabi | beb17d5 | 2011-03-25 17:14:00 +0530 | [diff] [blame] | 117 | static unsigned num_pages_per_blk = 0; |
| 118 | static unsigned num_pages_per_blk_mask = 0; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 119 | |
Shashank Mittal | 83d16d0 | 2009-11-18 16:54:42 -0800 | [diff] [blame] | 120 | struct flash_identification { |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 121 | unsigned flash_id; |
| 122 | unsigned mask; |
| 123 | unsigned density; |
| 124 | unsigned widebus; |
| 125 | unsigned pagesize; |
| 126 | unsigned blksize; |
| 127 | unsigned oobsize; |
| 128 | unsigned onenand; |
Shashank Mittal | 83d16d0 | 2009-11-18 16:54:42 -0800 | [diff] [blame] | 129 | }; |
| 130 | |
| 131 | static struct flash_identification supported_flash[] = |
| 132 | { |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 133 | /* Flash ID ID Mask Density(MB) Wid Pgsz Blksz oobsz onenand Manuf */ |
| 134 | {0x00000000, 0xFFFFFFFF, 0, 0, 0, 0, 0, 0}, /*ONFI*/ |
| 135 | {0x1500aaec, 0xFF00FFFF, (256<<20), 0, 2048, (2048<<6), 64, 0}, /*Sams*/ |
| 136 | {0x5500baec, 0xFF00FFFF, (256<<20), 1, 2048, (2048<<6), 64, 0}, /*Sams*/ |
| 137 | {0x1500aa98, 0xFFFFFFFF, (256<<20), 0, 2048, (2048<<6), 64, 0}, /*Tosh*/ |
| 138 | {0x5500ba98, 0xFFFFFFFF, (256<<20), 1, 2048, (2048<<6), 64, 0}, /*Tosh*/ |
Ajay Dudani | 86e1b42 | 2009-12-04 20:49:50 -0800 | [diff] [blame] | 139 | {0xd580b12c, 0xFFFFFFFF, (256<<20), 1, 2048, (2048<<6), 64, 0}, /*Micr*/ |
Chandan Uddaraju | 4060511 | 2010-08-09 14:25:08 -0700 | [diff] [blame] | 140 | {0x5590bc2c, 0xFFFFFFFF, (512<<20), 1, 2048, (2048<<6), 64, 0}, /*Micr*/ |
Chandan Uddaraju | 0ec234c | 2009-11-24 22:34:50 -0800 | [diff] [blame] | 141 | {0x1580aa2c, 0xFFFFFFFF, (256<<20), 0, 2048, (2048<<6), 64, 0}, /*Micr*/ |
Shashank Mittal | ab958e5 | 2010-12-03 17:57:22 -0800 | [diff] [blame] | 142 | {0x1590aa2c, 0xFFFFFFFF, (256<<20), 0, 2048, (2048<<6), 64, 0}, /*Micr*/ |
Ajay Dudani | 513fb74 | 2010-05-24 20:39:26 -0700 | [diff] [blame] | 143 | {0x1590ac2c, 0xFFFFFFFF, (512<<20), 0, 2048, (2048<<6), 64, 0}, /*Micr*/ |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 144 | {0x5580baad, 0xFFFFFFFF, (256<<20), 1, 2048, (2048<<6), 64, 0}, /*Hynx*/ |
| 145 | {0x5510baad, 0xFFFFFFFF, (256<<20), 1, 2048, (2048<<6), 64, 0}, /*Hynx*/ |
| 146 | {0x004000ec, 0xFFFFFFFF, (256<<20), 0, 2048, (2048<<6), 64, 1}, /*Sams*/ |
| 147 | {0x005c00ec, 0xFFFFFFFF, (256<<20), 0, 2048, (2048<<6), 64, 1}, /*Sams*/ |
| 148 | {0x005800ec, 0xFFFFFFFF, (256<<20), 0, 2048, (2048<<6), 64, 1}, /*Sams*/ |
Chandan Uddaraju | 4060511 | 2010-08-09 14:25:08 -0700 | [diff] [blame] | 149 | {0x6600bcec, 0xFF00FFFF, (512<<20), 1, 4096, (4096<<6), 128, 0}, /*Sams*/ |
Shashank Mittal | 246f8d0 | 2011-01-21 17:12:27 -0800 | [diff] [blame] | 150 | {0x5580ba2c, 0xFFFFFFFF, (256<<20), 1, 2048, (2048<<6), 64, 0}, /*Hynx*/ |
Shashank Mittal | ef32541 | 2011-04-01 13:48:26 -0700 | [diff] [blame] | 151 | {0x6600b3ec, 0xFFFFFFFF, (512<<20), 1, 4096, (4096<<6), 128, 0}, /*Sams*/ |
Channagoud Kadabi | 404a706 | 2011-03-21 19:27:50 +0530 | [diff] [blame^] | 152 | {0x2600482c, 0xFF00FFFF, (2048<<20), 0, 4096, (4096<<7), 224 , 0}, /*8bit bch ecc*/ |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 153 | /* Note: Width flag is 0 for 8 bit Flash and 1 for 16 bit flash */ |
| 154 | /* Note: Onenand flag is 0 for NAND Flash and 1 for OneNAND flash */ |
| 155 | /* Note: The First row will be filled at runtime during ONFI probe */ |
Shashank Mittal | 83d16d0 | 2009-11-18 16:54:42 -0800 | [diff] [blame] | 156 | }; |
Shashank Mittal | 8e49dec | 2010-03-01 15:19:04 -0800 | [diff] [blame] | 157 | static void set_nand_configuration(char type) |
| 158 | { |
| 159 | if(type == TYPE_MODEM_PARTITION) |
| 160 | { |
| 161 | CFG0 = CFG0_M; |
| 162 | CFG1 = CFG1_M; |
| 163 | } |
| 164 | else |
| 165 | { |
| 166 | CFG0 = CFG0_A; |
| 167 | CFG1 = CFG1_A; |
| 168 | } |
| 169 | } |
Shashank Mittal | 83d16d0 | 2009-11-18 16:54:42 -0800 | [diff] [blame] | 170 | |
| 171 | static void flash_nand_read_id(dmov_s *cmdlist, unsigned *ptrlist) |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 172 | { |
| 173 | dmov_s *cmd = cmdlist; |
| 174 | unsigned *ptr = ptrlist; |
| 175 | unsigned *data = ptrlist + 4; |
| 176 | |
| 177 | data[0] = 0 | 4; |
| 178 | data[1] = NAND_CMD_FETCH_ID; |
| 179 | data[2] = 1; |
| 180 | data[3] = 0; |
| 181 | data[4] = 0; |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 182 | data[5] = 0; |
| 183 | data[6] = 0; |
| 184 | data[7] = 0xAAD40000; /* Default value for CFG0 for reading device id */ |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 185 | |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 186 | /* Read NAND device id */ |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 187 | cmd[0].cmd = 0 | CMD_OCB; |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 188 | cmd[0].src = paddr(&data[7]); |
| 189 | cmd[0].dst = NAND_DEV0_CFG0; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 190 | cmd[0].len = 4; |
| 191 | |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 192 | cmd[1].cmd = 0; |
| 193 | cmd[1].src = NAND_SFLASHC_BURST_CFG; |
| 194 | cmd[1].dst = paddr(&data[5]); |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 195 | cmd[1].len = 4; |
| 196 | |
| 197 | cmd[2].cmd = 0; |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 198 | cmd[2].src = paddr(&data[6]); |
| 199 | cmd[2].dst = NAND_SFLASHC_BURST_CFG; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 200 | cmd[2].len = 4; |
| 201 | |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 202 | cmd[3].cmd = 0; |
| 203 | cmd[3].src = paddr(&data[0]); |
| 204 | cmd[3].dst = NAND_FLASH_CHIP_SELECT; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 205 | cmd[3].len = 4; |
| 206 | |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 207 | cmd[4].cmd = DST_CRCI_NAND_CMD; |
| 208 | cmd[4].src = paddr(&data[1]); |
| 209 | cmd[4].dst = NAND_FLASH_CMD; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 210 | cmd[4].len = 4; |
| 211 | |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 212 | cmd[5].cmd = 0; |
| 213 | cmd[5].src = paddr(&data[2]); |
| 214 | cmd[5].dst = NAND_EXEC_CMD; |
| 215 | cmd[5].len = 4; |
| 216 | |
| 217 | cmd[6].cmd = SRC_CRCI_NAND_DATA; |
| 218 | cmd[6].src = NAND_FLASH_STATUS; |
| 219 | cmd[6].dst = paddr(&data[3]); |
| 220 | cmd[6].len = 4; |
| 221 | |
| 222 | cmd[7].cmd = 0; |
| 223 | cmd[7].src = NAND_READ_ID; |
| 224 | cmd[7].dst = paddr(&data[4]); |
| 225 | cmd[7].len = 4; |
| 226 | |
| 227 | cmd[8].cmd = CMD_OCU | CMD_LC; |
| 228 | cmd[8].src = paddr(&data[5]); |
| 229 | cmd[8].dst = NAND_SFLASHC_BURST_CFG; |
| 230 | cmd[8].len = 4; |
| 231 | |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 232 | ptr[0] = (paddr(cmd) >> 3) | CMD_PTR_LP; |
| 233 | |
| 234 | dmov_exec_cmdptr(DMOV_NAND_CHAN, ptr); |
| 235 | |
| 236 | #if VERBOSE |
| 237 | dprintf(INFO, "status: %x\n", data[3]); |
| 238 | #endif |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 239 | |
Shashank Mittal | 83d16d0 | 2009-11-18 16:54:42 -0800 | [diff] [blame] | 240 | flash_info.id = data[4]; |
Dima Zavin | ca337f5 | 2009-03-02 16:41:44 -0800 | [diff] [blame] | 241 | flash_info.vendor = data[4] & 0xff; |
| 242 | flash_info.device = (data[4] >> 8) & 0xff; |
Shashank Mittal | 83d16d0 | 2009-11-18 16:54:42 -0800 | [diff] [blame] | 243 | return; |
| 244 | } |
Dima Zavin | ca337f5 | 2009-03-02 16:41:44 -0800 | [diff] [blame] | 245 | |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 246 | static int flash_nand_block_isbad(dmov_s *cmdlist, unsigned *ptrlist, |
| 247 | unsigned page) |
| 248 | { |
| 249 | dmov_s *cmd = cmdlist; |
| 250 | unsigned *ptr = ptrlist; |
| 251 | unsigned *data = ptrlist + 4; |
| 252 | char buf[4]; |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 253 | unsigned cwperpage; |
| 254 | |
| 255 | cwperpage = (flash_pagesize >> 9); |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 256 | |
| 257 | /* Check first page of this block */ |
Channagoud Kadabi | beb17d5 | 2011-03-25 17:14:00 +0530 | [diff] [blame] | 258 | if(page & num_pages_per_blk_mask) |
| 259 | page = page - (page & num_pages_per_blk_mask); |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 260 | |
| 261 | /* Check bad block marker */ |
| 262 | data[0] = NAND_CMD_PAGE_READ; /* command */ |
| 263 | |
| 264 | /* addr0 */ |
| 265 | if (CFG1 & CFG1_WIDE_FLASH) |
Channagoud Kadabi | 404a706 | 2011-03-21 19:27:50 +0530 | [diff] [blame^] | 266 | data[1] = enable_bch_ecc ? |
| 267 | ((page << 16) | ((532*(cwperpage-1)) >> 1)): |
| 268 | ((page << 16) | ((528*(cwperpage-1)) >> 1)); |
| 269 | |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 270 | else |
Channagoud Kadabi | 404a706 | 2011-03-21 19:27:50 +0530 | [diff] [blame^] | 271 | data[1] = enable_bch_ecc ? |
| 272 | ((page << 16) | (532*(cwperpage-1))): |
| 273 | ((page << 16) | (528*(cwperpage-1))); |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 274 | |
| 275 | data[2] = (page >> 16) & 0xff; /* addr1 */ |
| 276 | data[3] = 0 | 4; /* chipsel */ |
| 277 | data[4] = NAND_CFG0_RAW & ~(7U << 6); /* cfg0 */ |
| 278 | data[5] = NAND_CFG1_RAW | (CFG1 & CFG1_WIDE_FLASH); /* cfg1 */ |
Channagoud Kadabi | 404a706 | 2011-03-21 19:27:50 +0530 | [diff] [blame^] | 279 | if (enable_bch_ecc) { |
| 280 | data[6] = ECC_BCH_CFG; /* ECC CFG */ |
| 281 | } |
| 282 | data[7] = 1; |
| 283 | data[8] = CLEAN_DATA_32; /* flash status */ |
| 284 | data[9] = CLEAN_DATA_32; /* buf status */ |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 285 | |
| 286 | cmd[0].cmd = DST_CRCI_NAND_CMD | CMD_OCB; |
| 287 | cmd[0].src = paddr(&data[0]); |
| 288 | cmd[0].dst = NAND_FLASH_CMD; |
| 289 | cmd[0].len = 16; |
| 290 | |
| 291 | cmd[1].cmd = 0; |
| 292 | cmd[1].src = paddr(&data[4]); |
| 293 | cmd[1].dst = NAND_DEV0_CFG0; |
Channagoud Kadabi | 404a706 | 2011-03-21 19:27:50 +0530 | [diff] [blame^] | 294 | if (enable_bch_ecc) { |
| 295 | cmd[1].len = 12; |
| 296 | } else { |
| 297 | cmd[1].len = 8; |
| 298 | } |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 299 | |
| 300 | cmd[2].cmd = 0; |
Channagoud Kadabi | 404a706 | 2011-03-21 19:27:50 +0530 | [diff] [blame^] | 301 | cmd[2].src = paddr(&data[7]); |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 302 | cmd[2].dst = NAND_EXEC_CMD; |
| 303 | cmd[2].len = 4; |
| 304 | |
| 305 | cmd[3].cmd = SRC_CRCI_NAND_DATA; |
| 306 | cmd[3].src = NAND_FLASH_STATUS; |
Channagoud Kadabi | 404a706 | 2011-03-21 19:27:50 +0530 | [diff] [blame^] | 307 | cmd[3].dst = paddr(&data[8]); |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 308 | cmd[3].len = 8; |
| 309 | |
| 310 | cmd[4].cmd = CMD_OCU | CMD_LC; |
Channagoud Kadabi | 404a706 | 2011-03-21 19:27:50 +0530 | [diff] [blame^] | 311 | cmd[4].src = NAND_FLASH_BUFFER + (flash_pagesize - (enable_bch_ecc ? |
| 312 | (532*(cwperpage-1)): |
| 313 | (528*(cwperpage-1)))); |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 314 | cmd[4].dst = paddr(&buf); |
| 315 | cmd[4].len = 4; |
| 316 | |
| 317 | ptr[0] = (paddr(cmd) >> 3) | CMD_PTR_LP; |
| 318 | |
| 319 | dmov_exec_cmdptr(DMOV_NAND_CHAN, ptr); |
| 320 | |
| 321 | #if VERBOSE |
Channagoud Kadabi | 404a706 | 2011-03-21 19:27:50 +0530 | [diff] [blame^] | 322 | dprintf(INFO, "status: %x\n", data[8]); |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 323 | #endif |
| 324 | |
| 325 | /* we fail if there was an operation error, a mpu error, or the |
| 326 | ** erase success bit was not set. |
| 327 | */ |
Channagoud Kadabi | 404a706 | 2011-03-21 19:27:50 +0530 | [diff] [blame^] | 328 | if(data[8] & 0x110) return -1; |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 329 | |
| 330 | /* Check for bad block marker byte */ |
| 331 | if (CFG1 & CFG1_WIDE_FLASH) { |
| 332 | if (buf[0] != 0xFF || buf[1] != 0xFF) |
| 333 | return 1; |
| 334 | } else { |
| 335 | if (buf[0] != 0xFF) |
| 336 | return 1; |
| 337 | } |
| 338 | |
| 339 | return 0; |
| 340 | } |
| 341 | |
Murali Nalajala | a8c94c6 | 2010-03-05 20:24:30 +0530 | [diff] [blame] | 342 | static int flash_nand_block_isbad_interleave(dmov_s *cmdlist, unsigned *ptrlist, |
| 343 | unsigned page) |
| 344 | { |
| 345 | dmov_s *cmd = cmdlist; |
| 346 | unsigned *ptr = ptrlist; |
| 347 | unsigned *data = ptrlist + 4; |
| 348 | char buf01[4]; |
| 349 | char buf10[4]; |
| 350 | unsigned cwperpage; |
| 351 | |
| 352 | cwperpage = ((flash_pagesize >> 1)>> 9); |
| 353 | |
| 354 | /* Check first page of this block */ |
| 355 | if(page & 63) |
| 356 | page = page - (page & 63); |
| 357 | |
| 358 | /* Check bad block marker */ |
| 359 | data[0] = NAND_CMD_PAGE_READ; /* command */ |
| 360 | |
| 361 | /* addr0 */ |
| 362 | if (CFG1 & CFG1_WIDE_FLASH) |
| 363 | data[1] = (page << 16) | ((528*(cwperpage-1)) >> 1); |
| 364 | else |
| 365 | data[1] = (page << 16) | (528*(cwperpage-1)); |
| 366 | |
| 367 | data[2] = (page >> 16) & 0xff; /* addr1 */ |
| 368 | data[3] = 0 | 4; /* chipsel CS0 */ |
| 369 | data[4] = 0 | 5; /* chipsel CS1 */ |
| 370 | data[5] = NAND_CFG0_RAW & ~(7U << 6); /* cfg0 */ |
| 371 | data[6] = NAND_CFG1_RAW | (CFG1 & CFG1_WIDE_FLASH); /* cfg1 */ |
| 372 | data[7] = 1; |
| 373 | data[8] = CLEAN_DATA_32; /* NC01 flash status */ |
| 374 | data[9] = CLEAN_DATA_32; /* NC01 buf01 status */ |
| 375 | data[10] = CLEAN_DATA_32; /* NC10 flash status */ |
| 376 | data[11] = CLEAN_DATA_32; /* NC10 buf10 status */ |
| 377 | data[12] = 0x00000A3C; /* adm_mux_data_ack_req_nc01 */ |
| 378 | data[13] = 0x0000053C; /* adm_mux_cmd_ack_req_nc01 */ |
| 379 | data[14] = 0x00000F28; /* adm_mux_data_ack_req_nc10 */ |
| 380 | data[15] = 0x00000F14; /* adm_mux_cmd_ack_req_nc10 */ |
| 381 | data[16] = 0x00000FC0; /* adm_default_mux */ |
| 382 | data[17] = 0x00000805; /* enable CS1 */ |
| 383 | data[18] = 0x00000801; /* disable CS1 */ |
| 384 | |
| 385 | /* enable CS1 */ |
| 386 | cmd[0].cmd = 0; |
| 387 | cmd[0].src = paddr(data[17]); |
| 388 | cmd[0].dst = EBI2_CHIP_SELECT_CFG0; |
| 389 | cmd[0].len = 4; |
| 390 | |
| 391 | /* Reading last code word from NC01 */ |
| 392 | /* 0xF14 */ |
| 393 | cmd[1].cmd = 0; |
| 394 | cmd[1].src = paddr(data[15]); |
| 395 | cmd[1].dst = EBI2_NAND_ADM_MUX; |
| 396 | cmd[1].len = 4; |
| 397 | |
| 398 | cmd[2].cmd = DST_CRCI_NAND_CMD; |
| 399 | cmd[2].src = paddr(&data[0]); |
| 400 | cmd[2].dst = NC01(NAND_FLASH_CMD); |
| 401 | cmd[2].len = 16; |
| 402 | |
| 403 | cmd[3].cmd = 0; |
| 404 | cmd[3].src = paddr(&data[5]); |
| 405 | cmd[3].dst = NC01(NAND_DEV0_CFG0); |
| 406 | cmd[3].len = 8; |
| 407 | |
| 408 | cmd[4].cmd = 0; |
| 409 | cmd[4].src = paddr(&data[7]); |
| 410 | cmd[4].dst = NC01(NAND_EXEC_CMD); |
| 411 | cmd[4].len = 4; |
| 412 | |
| 413 | /* 0xF28 */ |
| 414 | cmd[5].cmd = 0; |
| 415 | cmd[5].src = paddr(data[14]); |
| 416 | cmd[5].dst = EBI2_NAND_ADM_MUX; |
| 417 | cmd[5].len = 4; |
| 418 | |
| 419 | cmd[6].cmd = SRC_CRCI_NAND_DATA; |
| 420 | cmd[6].src = NC01(NAND_FLASH_STATUS); |
| 421 | cmd[6].dst = paddr(&data[8]); |
| 422 | cmd[6].len = 8; |
| 423 | |
| 424 | cmd[7].cmd = 0; |
| 425 | cmd[7].src = NC01(NAND_FLASH_BUFFER) + (flash_pagesize - (528*(cwperpage-1))); |
| 426 | cmd[7].dst = paddr(&buf01); |
| 427 | cmd[7].len = 4; |
| 428 | |
| 429 | /* Reading last code word from NC10 */ |
| 430 | /* 0x53C */ |
| 431 | cmd[8].cmd = 0; |
| 432 | cmd[8].src = paddr(data[13]); |
| 433 | cmd[8].dst = EBI2_NAND_ADM_MUX; |
| 434 | cmd[8].len = 4; |
| 435 | |
| 436 | cmd[9].cmd = DST_CRCI_NAND_CMD; |
| 437 | cmd[9].src = paddr(&data[0]); |
| 438 | cmd[9].dst = NC10(NAND_FLASH_CMD); |
| 439 | cmd[9].len = 12; |
| 440 | |
| 441 | cmd[10].cmd = 0; |
| 442 | cmd[10].src = paddr(&data[4]); |
| 443 | cmd[10].dst = NC10(NAND_FLASH_CHIP_SELECT); |
| 444 | cmd[10].len = 4; |
| 445 | |
| 446 | cmd[11].cmd = 0; |
| 447 | cmd[11].src = paddr(&data[5]); |
| 448 | cmd[11].dst = NC10(NAND_DEV1_CFG0); |
| 449 | cmd[11].len = 8; |
| 450 | |
| 451 | cmd[12].cmd = 0; |
| 452 | cmd[12].src = paddr(&data[7]); |
| 453 | cmd[12].dst = NC10(NAND_EXEC_CMD); |
| 454 | cmd[12].len = 4; |
| 455 | |
| 456 | /* 0xA3C */ |
| 457 | cmd[13].cmd = 0; |
| 458 | cmd[13].src = paddr(data[12]); |
| 459 | cmd[13].dst = EBI2_NAND_ADM_MUX; |
| 460 | cmd[13].len = 4; |
| 461 | |
| 462 | cmd[14].cmd = SRC_CRCI_NAND_DATA; |
| 463 | cmd[14].src = NC10(NAND_FLASH_STATUS); |
| 464 | cmd[14].dst = paddr(&data[10]); |
| 465 | cmd[14].len = 8; |
| 466 | |
| 467 | cmd[15].cmd = 0; |
| 468 | cmd[15].src = NC10(NAND_FLASH_BUFFER) + (flash_pagesize - (528*(cwperpage-1))); |
| 469 | cmd[15].dst = paddr(&buf10); |
| 470 | cmd[15].len = 4; |
| 471 | |
| 472 | cmd[16].cmd = 0; |
| 473 | cmd[16].src = paddr(&data[16]); |
| 474 | cmd[16].dst = EBI2_NAND_ADM_MUX; |
| 475 | cmd[16].len = 4; |
| 476 | |
| 477 | /* setting default value */ |
| 478 | cmd[17].cmd = CMD_OCU | CMD_LC; |
| 479 | cmd[17].src = paddr(&data[18]); |
| 480 | cmd[17].dst = EBI2_CHIP_SELECT_CFG0; |
| 481 | cmd[17].len = 4; |
| 482 | |
| 483 | ptr[0] = (paddr(cmd) >> 3) | CMD_PTR_LP; |
| 484 | |
| 485 | dmov_exec_cmdptr(DMOV_NAND_CHAN, ptr); |
| 486 | |
| 487 | #if VERBOSE |
| 488 | dprintf(INFO, "NC01 status: %x\n", data[8]); |
| 489 | dprintf(INFO, "NC10 status: %x\n", data[10]); |
| 490 | #endif |
| 491 | |
| 492 | /* we fail if there was an operation error, a mpu error, or the |
| 493 | ** erase success bit was not set. |
| 494 | */ |
| 495 | if((data[8] & 0x110) || (data[10] & 0x110)) return -1; |
| 496 | |
| 497 | /* Check for bad block marker byte */ |
| 498 | if (CFG1 & CFG1_WIDE_FLASH) { |
| 499 | if ((buf01[0] != 0xFF || buf01[1] != 0xFF) || |
| 500 | (buf10[0] != 0xFF || buf10[1] != 0xFF)) |
| 501 | return 1; |
| 502 | } else { |
| 503 | if (buf01[0] != 0xFF || buf10[0] != 0xFF) |
| 504 | return 1; |
| 505 | } |
| 506 | |
| 507 | return 0; |
| 508 | } |
| 509 | |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 510 | static int flash_nand_erase_block(dmov_s *cmdlist, unsigned *ptrlist, |
| 511 | unsigned page) |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 512 | { |
| 513 | dmov_s *cmd = cmdlist; |
| 514 | unsigned *ptr = ptrlist; |
| 515 | unsigned *data = ptrlist + 4; |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 516 | int isbad = 0; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 517 | |
| 518 | /* only allow erasing on block boundaries */ |
Channagoud Kadabi | beb17d5 | 2011-03-25 17:14:00 +0530 | [diff] [blame] | 519 | if(page & num_pages_per_blk_mask) return -1; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 520 | |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 521 | /* Check for bad block and erase only if block is not marked bad */ |
| 522 | isbad = flash_nand_block_isbad(cmdlist, ptrlist, page); |
| 523 | |
| 524 | if (isbad) { |
Channagoud Kadabi | beb17d5 | 2011-03-25 17:14:00 +0530 | [diff] [blame] | 525 | dprintf(INFO, "skipping @ %d (bad block)\n", page / num_pages_per_blk); |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 526 | return -1; |
| 527 | } |
| 528 | |
| 529 | /* Erase block */ |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 530 | data[0] = NAND_CMD_BLOCK_ERASE; |
| 531 | data[1] = page; |
| 532 | data[2] = 0; |
| 533 | data[3] = 0 | 4; |
| 534 | data[4] = 1; |
| 535 | data[5] = 0xeeeeeeee; |
| 536 | data[6] = CFG0 & (~(7 << 6)); /* CW_PER_PAGE = 0 */ |
| 537 | data[7] = CFG1; |
Channagoud Kadabi | 404a706 | 2011-03-21 19:27:50 +0530 | [diff] [blame^] | 538 | data[8] = ECC_BCH_CFG; |
| 539 | data[9] = 0x00000020; |
| 540 | data[10] = 0x000000C0; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 541 | |
| 542 | cmd[0].cmd = DST_CRCI_NAND_CMD | CMD_OCB; |
| 543 | cmd[0].src = paddr(&data[0]); |
| 544 | cmd[0].dst = NAND_FLASH_CMD; |
| 545 | cmd[0].len = 16; |
| 546 | |
| 547 | cmd[1].cmd = 0; |
| 548 | cmd[1].src = paddr(&data[6]); |
| 549 | cmd[1].dst = NAND_DEV0_CFG0; |
Channagoud Kadabi | 404a706 | 2011-03-21 19:27:50 +0530 | [diff] [blame^] | 550 | if (enable_bch_ecc) { |
| 551 | cmd[1].len = 12; |
| 552 | } else { |
| 553 | cmd[1].len = 8; |
| 554 | } |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 555 | |
| 556 | cmd[2].cmd = 0; |
| 557 | cmd[2].src = paddr(&data[4]); |
| 558 | cmd[2].dst = NAND_EXEC_CMD; |
| 559 | cmd[2].len = 4; |
| 560 | |
Murali Palnati | c54d13a | 2010-01-15 19:50:19 +0530 | [diff] [blame] | 561 | cmd[3].cmd = SRC_CRCI_NAND_DATA; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 562 | cmd[3].src = NAND_FLASH_STATUS; |
| 563 | cmd[3].dst = paddr(&data[5]); |
| 564 | cmd[3].len = 4; |
| 565 | |
Murali Palnati | c54d13a | 2010-01-15 19:50:19 +0530 | [diff] [blame] | 566 | cmd[4].cmd = 0; |
Channagoud Kadabi | 404a706 | 2011-03-21 19:27:50 +0530 | [diff] [blame^] | 567 | cmd[4].src = paddr(&data[9]); |
Murali Palnati | c54d13a | 2010-01-15 19:50:19 +0530 | [diff] [blame] | 568 | cmd[4].dst = NAND_FLASH_STATUS; |
| 569 | cmd[4].len = 4; |
| 570 | |
| 571 | cmd[5].cmd = CMD_OCU | CMD_LC; |
Channagoud Kadabi | 404a706 | 2011-03-21 19:27:50 +0530 | [diff] [blame^] | 572 | cmd[5].src = paddr(&data[10]); |
Murali Palnati | c54d13a | 2010-01-15 19:50:19 +0530 | [diff] [blame] | 573 | cmd[5].dst = NAND_READ_STATUS; |
| 574 | cmd[5].len = 4; |
| 575 | |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 576 | ptr[0] = (paddr(cmd) >> 3) | CMD_PTR_LP; |
| 577 | |
| 578 | dmov_exec_cmdptr(DMOV_NAND_CHAN, ptr); |
| 579 | |
| 580 | #if VERBOSE |
| 581 | dprintf(INFO, "status: %x\n", data[5]); |
| 582 | #endif |
| 583 | |
| 584 | /* we fail if there was an operation error, a mpu error, or the |
| 585 | ** erase success bit was not set. |
| 586 | */ |
| 587 | if(data[5] & 0x110) return -1; |
| 588 | if(!(data[5] & 0x80)) return -1; |
| 589 | |
| 590 | return 0; |
| 591 | } |
| 592 | |
Murali Nalajala | a8c94c6 | 2010-03-05 20:24:30 +0530 | [diff] [blame] | 593 | static int flash_nand_erase_block_interleave(dmov_s *cmdlist, unsigned *ptrlist, |
| 594 | unsigned page) |
| 595 | { |
| 596 | dmov_s *cmd = cmdlist; |
| 597 | unsigned *ptr = ptrlist; |
| 598 | unsigned *data = ptrlist + 4; |
| 599 | int isbad = 0; |
| 600 | |
| 601 | /* only allow erasing on block boundaries */ |
| 602 | if(page & 63) return -1; |
| 603 | |
| 604 | /* Check for bad block and erase only if block is not marked bad */ |
| 605 | isbad = flash_nand_block_isbad(cmdlist, ptrlist, page); |
| 606 | |
| 607 | if (isbad) { |
| 608 | dprintf(INFO, "skipping @ %d (bad block)\n", page >> 6); |
| 609 | return -1; |
| 610 | } |
| 611 | |
| 612 | /* Erase block */ |
| 613 | data[0] = NAND_CMD_BLOCK_ERASE; |
| 614 | data[1] = page; |
| 615 | data[2] = 0; |
| 616 | data[3] = 0 | 4; /* chipselect CS0 */ |
| 617 | data[4] = 0 | 5; /* chipselect CS1 */ |
| 618 | data[5] = 1; |
| 619 | data[6] = 0xeeeeeeee; |
| 620 | data[7] = 0xeeeeeeee; |
| 621 | data[8] = CFG0 & (~(7 << 6)); /* CW_PER_PAGE = 0 */ |
| 622 | data[9] = CFG1; |
| 623 | data[10] = 0x00000A3C; /* adm_mux_data_ack_req_nc01 */ |
| 624 | data[11] = 0x0000053C; /* adm_mux_cmd_ack_req_nc01 */ |
| 625 | data[12] = 0x00000F28; /* adm_mux_data_ack_req_nc10 */ |
| 626 | data[13] = 0x00000F14; /* adm_mux_cmd_ack_req_nc10 */ |
| 627 | data[14] = 0x00000FC0; /* adm_default_mux */ |
| 628 | data[15] = 0x00000805; /* enable CS1 */ |
| 629 | data[16] = 0x00000801; /* disable CS1 */ |
| 630 | |
| 631 | /* enable CS1 */ |
| 632 | cmd[0].cmd = 0 | CMD_OCB; |
| 633 | cmd[0].src = paddr(data[15]); |
| 634 | cmd[0].dst = EBI2_CHIP_SELECT_CFG0; |
| 635 | cmd[0].len = 4; |
| 636 | |
| 637 | /* Reading last code word from NC01 */ |
| 638 | /* 0xF14 */ |
| 639 | cmd[1].cmd = 0; |
| 640 | cmd[1].src = paddr(data[13]); |
| 641 | cmd[1].dst = EBI2_NAND_ADM_MUX; |
| 642 | cmd[1].len = 4; |
| 643 | |
| 644 | cmd[2].cmd = DST_CRCI_NAND_CMD; |
| 645 | cmd[2].src = paddr(&data[0]); |
| 646 | cmd[2].dst = NC01(NAND_FLASH_CMD); |
| 647 | cmd[2].len = 16; |
| 648 | |
| 649 | cmd[3].cmd = 0; |
| 650 | cmd[3].src = paddr(&data[8]); |
| 651 | cmd[3].dst = NC01(NAND_DEV0_CFG0); |
| 652 | cmd[3].len = 8; |
| 653 | |
| 654 | cmd[4].cmd = 0; |
| 655 | cmd[4].src = paddr(&data[5]); |
| 656 | cmd[4].dst = NC01(NAND_EXEC_CMD); |
| 657 | cmd[4].len = 4; |
| 658 | |
| 659 | /* 0xF28 */ |
| 660 | cmd[5].cmd = 0; |
| 661 | cmd[5].src = paddr(data[12]); |
| 662 | cmd[5].dst = EBI2_NAND_ADM_MUX; |
| 663 | cmd[5].len = 4; |
| 664 | |
| 665 | cmd[6].cmd = SRC_CRCI_NAND_DATA; |
| 666 | cmd[6].src = NC01(NAND_FLASH_STATUS); |
| 667 | cmd[6].dst = paddr(&data[6]); |
| 668 | cmd[6].len = 4; |
| 669 | |
| 670 | /* Reading last code word from NC10 */ |
| 671 | /* 0x53C */ |
| 672 | cmd[7].cmd = 0; |
| 673 | cmd[7].src = paddr(data[11]); |
| 674 | cmd[7].dst = EBI2_NAND_ADM_MUX; |
| 675 | cmd[7].len = 4; |
| 676 | |
| 677 | cmd[8].cmd = DST_CRCI_NAND_CMD; |
| 678 | cmd[8].src = paddr(&data[0]); |
| 679 | cmd[8].dst = NC10(NAND_FLASH_CMD); |
| 680 | cmd[8].len = 12; |
| 681 | |
| 682 | cmd[9].cmd = 0; |
| 683 | cmd[9].src = paddr(&data[4]); |
| 684 | cmd[9].dst = NC10(NAND_FLASH_CHIP_SELECT); |
| 685 | cmd[9].len = 4; |
| 686 | |
| 687 | cmd[10].cmd = 0; |
| 688 | cmd[10].src = paddr(&data[8]); |
| 689 | cmd[10].dst = NC10(NAND_DEV1_CFG0); |
| 690 | cmd[10].len = 8; |
| 691 | |
| 692 | cmd[11].cmd = 0; |
| 693 | cmd[11].src = paddr(&data[5]); |
| 694 | cmd[11].dst = NC10(NAND_EXEC_CMD); |
| 695 | cmd[11].len = 4; |
| 696 | |
| 697 | /* 0xA3C */ |
| 698 | cmd[12].cmd = 0; |
| 699 | cmd[12].src = paddr(data[10]); |
| 700 | cmd[12].dst = EBI2_NAND_ADM_MUX; |
| 701 | cmd[12].len = 4; |
| 702 | |
| 703 | cmd[13].cmd = SRC_CRCI_NAND_DATA; |
| 704 | cmd[13].src = NC10(NAND_FLASH_STATUS); |
| 705 | cmd[13].dst = paddr(&data[7]); |
| 706 | cmd[13].len = 4; |
| 707 | |
| 708 | /* adm default mux state */ |
| 709 | /* 0xFCO */ |
| 710 | cmd[14].cmd = 0; |
| 711 | cmd[14].src = paddr(data[14]); |
| 712 | cmd[14].dst = EBI2_NAND_ADM_MUX; |
| 713 | cmd[14].len = 4; |
| 714 | |
| 715 | /* disable CS1 */ |
| 716 | cmd[15].cmd = CMD_OCU | CMD_LC; |
| 717 | cmd[15].src = paddr(data[16]); |
| 718 | cmd[15].dst = EBI2_CHIP_SELECT_CFG0; |
| 719 | cmd[15].len = 4; |
| 720 | |
| 721 | ptr[0] = (paddr(cmd) >> 3) | CMD_PTR_LP; |
| 722 | |
| 723 | dmov_exec_cmdptr(DMOV_NAND_CHAN, ptr); |
| 724 | |
| 725 | #if VERBOSE |
| 726 | dprintf(INFO, "NC01 status: %x\n", data[6]); |
| 727 | dprintf(INFO, "NC10 status: %x\n", data[7]); |
| 728 | #endif |
| 729 | |
| 730 | /* we fail if there was an operation error, a mpu error, or the |
| 731 | ** erase success bit was not set. |
| 732 | */ |
| 733 | if(data[6] & 0x110 || data[7] & 0x110) return -1; |
| 734 | if(!(data[6] & 0x80) || !(data[7] & 0x80)) return -1; |
| 735 | |
| 736 | return 0; |
| 737 | } |
| 738 | |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 739 | struct data_flash_io { |
| 740 | unsigned cmd; |
| 741 | unsigned addr0; |
| 742 | unsigned addr1; |
| 743 | unsigned chipsel; |
| 744 | unsigned cfg0; |
| 745 | unsigned cfg1; |
Channagoud Kadabi | 404a706 | 2011-03-21 19:27:50 +0530 | [diff] [blame^] | 746 | unsigned ecc_bch_cfg; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 747 | unsigned exec; |
| 748 | unsigned ecc_cfg; |
| 749 | unsigned ecc_cfg_save; |
Murali Palnati | c54d13a | 2010-01-15 19:50:19 +0530 | [diff] [blame] | 750 | unsigned clrfstatus; |
| 751 | unsigned clrrstatus; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 752 | struct { |
| 753 | unsigned flash_status; |
| 754 | unsigned buffer_status; |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 755 | } result[8]; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 756 | }; |
| 757 | |
Murali Nalajala | a8c94c6 | 2010-03-05 20:24:30 +0530 | [diff] [blame] | 758 | struct interleave_data_flash_io { |
| 759 | uint32_t cmd; |
| 760 | uint32_t addr0; |
| 761 | uint32_t addr1; |
| 762 | uint32_t chipsel_cs0; |
| 763 | uint32_t chipsel_cs1; |
| 764 | uint32_t cfg0; |
| 765 | uint32_t cfg1; |
| 766 | uint32_t exec; |
| 767 | uint32_t ecc_cfg; |
| 768 | uint32_t ecc_cfg_save; |
| 769 | uint32_t ebi2_chip_select_cfg0; |
| 770 | uint32_t adm_mux_data_ack_req_nc01; |
| 771 | uint32_t adm_mux_cmd_ack_req_nc01; |
| 772 | uint32_t adm_mux_data_ack_req_nc10; |
| 773 | uint32_t adm_mux_cmd_ack_req_nc10; |
| 774 | uint32_t adm_default_mux; |
| 775 | uint32_t default_ebi2_chip_select_cfg0; |
| 776 | struct { |
| 777 | uint32_t flash_status; |
| 778 | } result[16]; |
| 779 | }; |
| 780 | |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 781 | static int _flash_nand_read_page(dmov_s *cmdlist, unsigned *ptrlist, |
| 782 | unsigned page, void *_addr, void *_spareaddr) |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 783 | { |
| 784 | dmov_s *cmd = cmdlist; |
| 785 | unsigned *ptr = ptrlist; |
| 786 | struct data_flash_io *data = (void*) (ptrlist + 4); |
| 787 | unsigned addr = (unsigned) _addr; |
| 788 | unsigned spareaddr = (unsigned) _spareaddr; |
| 789 | unsigned n; |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 790 | int isbad = 0; |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 791 | unsigned cwperpage; |
| 792 | cwperpage = (flash_pagesize >> 9); |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 793 | |
| 794 | /* Check for bad block and read only from a good block */ |
| 795 | isbad = flash_nand_block_isbad(cmdlist, ptrlist, page); |
| 796 | if (isbad) |
| 797 | return -2; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 798 | |
| 799 | data->cmd = NAND_CMD_PAGE_READ_ECC; |
| 800 | data->addr0 = page << 16; |
| 801 | data->addr1 = (page >> 16) & 0xff; |
| 802 | data->chipsel = 0 | 4; /* flash0 + undoc bit */ |
| 803 | |
| 804 | /* GO bit for the EXEC register */ |
| 805 | data->exec = 1; |
| 806 | |
| 807 | data->cfg0 = CFG0; |
| 808 | data->cfg1 = CFG1; |
| 809 | |
Channagoud Kadabi | 404a706 | 2011-03-21 19:27:50 +0530 | [diff] [blame^] | 810 | if (enable_bch_ecc) { |
| 811 | data->ecc_bch_cfg = ECC_BCH_CFG; |
| 812 | } |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 813 | data->ecc_cfg = 0x203; |
| 814 | |
| 815 | /* save existing ecc config */ |
| 816 | cmd->cmd = CMD_OCB; |
| 817 | cmd->src = NAND_EBI2_ECC_BUF_CFG; |
| 818 | cmd->dst = paddr(&data->ecc_cfg_save); |
| 819 | cmd->len = 4; |
| 820 | cmd++; |
| 821 | |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 822 | for(n = 0; n < cwperpage; n++) { |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 823 | /* write CMD / ADDR0 / ADDR1 / CHIPSEL regs in a burst */ |
| 824 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 825 | cmd->src = paddr(&data->cmd); |
| 826 | cmd->dst = NAND_FLASH_CMD; |
| 827 | cmd->len = ((n == 0) ? 16 : 4); |
| 828 | cmd++; |
| 829 | |
| 830 | if (n == 0) { |
| 831 | /* block on cmd ready, set configuration */ |
| 832 | cmd->cmd = 0; |
| 833 | cmd->src = paddr(&data->cfg0); |
| 834 | cmd->dst = NAND_DEV0_CFG0; |
Channagoud Kadabi | 404a706 | 2011-03-21 19:27:50 +0530 | [diff] [blame^] | 835 | if (enable_bch_ecc) { |
| 836 | cmd->len = 12; |
| 837 | } else { |
| 838 | cmd->len = 8; |
| 839 | } |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 840 | cmd++; |
| 841 | |
| 842 | /* set our ecc config */ |
| 843 | cmd->cmd = 0; |
| 844 | cmd->src = paddr(&data->ecc_cfg); |
| 845 | cmd->dst = NAND_EBI2_ECC_BUF_CFG; |
| 846 | cmd->len = 4; |
| 847 | cmd++; |
| 848 | } |
| 849 | /* kick the execute register */ |
| 850 | cmd->cmd = 0; |
| 851 | cmd->src = paddr(&data->exec); |
| 852 | cmd->dst = NAND_EXEC_CMD; |
| 853 | cmd->len = 4; |
| 854 | cmd++; |
| 855 | |
| 856 | /* block on data ready, then read the status register */ |
| 857 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 858 | cmd->src = NAND_FLASH_STATUS; |
| 859 | cmd->dst = paddr(&data->result[n]); |
| 860 | cmd->len = 8; |
| 861 | cmd++; |
| 862 | |
| 863 | /* read data block */ |
| 864 | cmd->cmd = 0; |
| 865 | cmd->src = NAND_FLASH_BUFFER; |
| 866 | cmd->dst = addr + n * 516; |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 867 | cmd->len = ((n < (cwperpage -1 )) ? 516 : (512 - ((cwperpage - 1) << 2))); |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 868 | cmd++; |
| 869 | } |
| 870 | |
| 871 | /* read extra data */ |
| 872 | cmd->cmd = 0; |
Channagoud Kadabi | 404a706 | 2011-03-21 19:27:50 +0530 | [diff] [blame^] | 873 | cmd->src = NAND_FLASH_BUFFER + (512 - ((cwperpage - 1) << 2)); |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 874 | cmd->dst = spareaddr; |
| 875 | cmd->len = 16; |
| 876 | cmd++; |
| 877 | |
| 878 | /* restore saved ecc config */ |
| 879 | cmd->cmd = CMD_OCU | CMD_LC; |
| 880 | cmd->src = paddr(&data->ecc_cfg_save); |
| 881 | cmd->dst = NAND_EBI2_ECC_BUF_CFG; |
| 882 | cmd->len = 4; |
| 883 | |
| 884 | ptr[0] = (paddr(cmdlist) >> 3) | CMD_PTR_LP; |
| 885 | |
| 886 | dmov_exec_cmdptr(DMOV_NAND_CHAN, ptr); |
| 887 | |
| 888 | #if VERBOSE |
| 889 | dprintf(INFO, "read page %d: status: %x %x %x %x\n", |
| 890 | page, data[5], data[6], data[7], data[8]); |
| 891 | for(n = 0; n < 4; n++) { |
| 892 | ptr = (unsigned*)(addr + 512 * n); |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 893 | dprintf(INFO, "data%d: %x %x %x %x\n", n, ptr[0], ptr[1], ptr[2], ptr[3]); |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 894 | ptr = (unsigned*)(spareaddr + 16 * n); |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 895 | dprintf(INFO, "spare data%d %x %x %x %x\n", n, ptr[0], ptr[1], ptr[2], ptr[3]); |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 896 | } |
| 897 | #endif |
| 898 | |
| 899 | /* if any of the writes failed (0x10), or there was a |
| 900 | ** protection violation (0x100), we lose |
| 901 | */ |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 902 | for(n = 0; n < cwperpage; n++) { |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 903 | if (data->result[n].flash_status & 0x110) { |
| 904 | return -1; |
| 905 | } |
| 906 | } |
| 907 | |
| 908 | return 0; |
| 909 | } |
| 910 | |
Murali Nalajala | a8c94c6 | 2010-03-05 20:24:30 +0530 | [diff] [blame] | 911 | static int flash_nand_read_page_interleave(dmov_s *cmdlist, unsigned *ptrlist, |
| 912 | unsigned page, void *_addr, void *_spareaddr) |
| 913 | { |
| 914 | dmov_s *cmd = cmdlist; |
| 915 | unsigned *ptr = ptrlist; |
| 916 | struct interleave_data_flash_io *data = (void*) (ptrlist + 4); |
| 917 | unsigned addr = (unsigned) _addr; |
| 918 | unsigned spareaddr = (unsigned) _spareaddr; |
| 919 | unsigned n; |
| 920 | int isbad = 0; |
| 921 | unsigned cwperpage; |
| 922 | cwperpage = (flash_pagesize >> 9); |
| 923 | |
| 924 | /* Check for bad block and read only from a good block */ |
| 925 | isbad = flash_nand_block_isbad(cmdlist, ptrlist, page); |
| 926 | if (isbad) |
| 927 | return -2; |
| 928 | |
| 929 | data->cmd = NAND_CMD_PAGE_READ_ECC; |
| 930 | data->addr0 = page << 16; |
| 931 | data->addr1 = (page >> 16) & 0xff; |
| 932 | data->chipsel_cs0 = 0 | 4; /* flash0 + undoc bit */ |
| 933 | data->chipsel_cs1 = 0 | 5; /* flash0 + undoc bit */ |
| 934 | data->ebi2_chip_select_cfg0 = 0x00000805; |
| 935 | data->adm_mux_data_ack_req_nc01 = 0x00000A3C; |
| 936 | data->adm_mux_cmd_ack_req_nc01 = 0x0000053C; |
| 937 | data->adm_mux_data_ack_req_nc10 = 0x00000F28; |
| 938 | data->adm_mux_cmd_ack_req_nc10 = 0x00000F14; |
| 939 | data->adm_default_mux = 0x00000FC0; |
| 940 | data->default_ebi2_chip_select_cfg0 = 0x00000801; |
| 941 | |
| 942 | /* GO bit for the EXEC register */ |
| 943 | data->exec = 1; |
| 944 | |
| 945 | data->cfg0 = CFG0; |
| 946 | data->cfg1 = CFG1; |
| 947 | |
| 948 | data->ecc_cfg = 0x203; |
| 949 | |
| 950 | for (n = 0; n < cwperpage; n++) { |
| 951 | /* flash + buffer status return words */ |
| 952 | data->result[n].flash_status = 0xeeeeeeee; |
| 953 | |
| 954 | if (n == 0) { |
| 955 | /* enable CS1 */ |
| 956 | cmd->cmd = CMD_OCB; |
| 957 | cmd->src = paddr(&data->ebi2_chip_select_cfg0); |
| 958 | cmd->dst = EBI2_CHIP_SELECT_CFG0; |
| 959 | cmd->len = 4; |
| 960 | cmd++; |
| 961 | |
| 962 | /* save existing ecc config */ |
| 963 | cmd->cmd = 0; |
| 964 | cmd->src = NAND_EBI2_ECC_BUF_CFG; |
| 965 | cmd->dst = paddr(&data->ecc_cfg_save); |
| 966 | cmd->len = 4; |
| 967 | cmd++; |
| 968 | |
| 969 | /* NC01, NC10 --> ADDR0/ADDR1 */ |
| 970 | cmd->cmd = 0; |
| 971 | cmd->src = paddr(&data->addr0); |
| 972 | cmd->dst = NC11(NAND_ADDR0); |
| 973 | cmd->len = 8; |
| 974 | cmd++; |
| 975 | |
| 976 | /* Select the CS0, |
| 977 | * for NC01! |
| 978 | */ |
| 979 | cmd->cmd = 0; |
| 980 | cmd->src = paddr(&data->chipsel_cs0); |
| 981 | cmd->dst = NC01(NAND_FLASH_CHIP_SELECT); |
| 982 | cmd->len = 4; |
| 983 | cmd++; |
| 984 | |
| 985 | /* Select the CS1, |
| 986 | * for NC10! |
| 987 | */ |
| 988 | cmd->cmd = 0; |
| 989 | cmd->src = paddr(&data->chipsel_cs1); |
| 990 | cmd->dst = NC10(NAND_FLASH_CHIP_SELECT); |
| 991 | cmd->len = 4; |
| 992 | cmd++; |
| 993 | |
| 994 | cmd->cmd = 0; |
| 995 | cmd->src = paddr(&data->cfg0); |
| 996 | cmd->dst = NC01(NAND_DEV0_CFG0); |
| 997 | cmd->len = 8; |
| 998 | cmd++; |
| 999 | |
| 1000 | /* config DEV1 for CS1 */ |
| 1001 | cmd->cmd = 0; |
| 1002 | cmd->src = paddr(&data->cfg0); |
| 1003 | cmd->dst = NC10(NAND_DEV1_CFG0); |
| 1004 | cmd->len = 8; |
| 1005 | cmd++; |
| 1006 | |
| 1007 | cmd->cmd = 0; |
| 1008 | cmd->src = paddr(&data->ecc_cfg); |
| 1009 | cmd->dst = NC11(NAND_EBI2_ECC_BUF_CFG); |
| 1010 | cmd->len = 4; |
| 1011 | cmd++; |
| 1012 | |
| 1013 | /* if 'only' the last code word */ |
| 1014 | if (n == cwperpage - 1) { |
| 1015 | /* MASK CMD ACK/REQ --> NC01 (0x53C)*/ |
| 1016 | cmd->cmd = 0; |
| 1017 | cmd->src = paddr(&data->adm_mux_cmd_ack_req_nc01); |
| 1018 | cmd->dst = EBI2_NAND_ADM_MUX; |
| 1019 | cmd->len = 4; |
| 1020 | cmd++; |
| 1021 | |
| 1022 | /* CMD */ |
| 1023 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 1024 | cmd->src = paddr(&data->cmd); |
| 1025 | cmd->dst = NC10(NAND_FLASH_CMD); |
| 1026 | cmd->len = 4; |
| 1027 | cmd++; |
| 1028 | |
| 1029 | /* kick the execute register for NC10 */ |
| 1030 | cmd->cmd = 0; |
| 1031 | cmd->src = paddr(&data->exec); |
| 1032 | cmd->dst = NC10(NAND_EXEC_CMD); |
| 1033 | cmd->len = 4; |
| 1034 | cmd++; |
| 1035 | |
| 1036 | /* MASK DATA ACK/REQ --> NC01 (0xA3C)*/ |
| 1037 | cmd->cmd = 0; |
| 1038 | cmd->src = paddr(&data->adm_mux_data_ack_req_nc01); |
| 1039 | cmd->dst = EBI2_NAND_ADM_MUX; |
| 1040 | cmd->len = 4; |
| 1041 | cmd++; |
| 1042 | |
| 1043 | /* block on data ready from NC10, then |
| 1044 | * read the status register |
| 1045 | */ |
| 1046 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 1047 | cmd->src = NC10(NAND_FLASH_STATUS); |
| 1048 | cmd->dst = paddr(&data->result[n]); |
| 1049 | /* NAND_FLASH_STATUS + |
| 1050 | * NAND_BUFFER_STATUS |
| 1051 | */ |
| 1052 | cmd->len = 4; |
| 1053 | cmd++; |
| 1054 | } else { |
| 1055 | /* MASK CMD ACK/REQ --> NC10 (0xF14)*/ |
| 1056 | cmd->cmd = 0; |
| 1057 | cmd->src = paddr(&data->adm_mux_cmd_ack_req_nc10); |
| 1058 | cmd->dst = EBI2_NAND_ADM_MUX; |
| 1059 | cmd->len = 4; |
| 1060 | cmd++; |
| 1061 | |
| 1062 | /* CMD */ |
| 1063 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 1064 | cmd->src = paddr(&data->cmd); |
| 1065 | cmd->dst = NC01(NAND_FLASH_CMD); |
| 1066 | cmd->len = 4; |
| 1067 | cmd++; |
| 1068 | |
| 1069 | /* kick the execute register for NC01*/ |
| 1070 | cmd->cmd = 0; |
| 1071 | cmd->src = paddr(&data->exec); |
| 1072 | cmd->dst = NC01(NAND_EXEC_CMD); |
| 1073 | cmd->len = 4; |
| 1074 | cmd++; |
| 1075 | } |
| 1076 | } |
| 1077 | |
| 1078 | |
| 1079 | if (n % 2 == 0) { |
| 1080 | /* MASK CMD ACK/REQ --> NC01 (0x53C)*/ |
| 1081 | cmd->cmd = 0; |
| 1082 | cmd->src = paddr(&data->adm_mux_cmd_ack_req_nc01); |
| 1083 | cmd->dst = EBI2_NAND_ADM_MUX; |
| 1084 | cmd->len = 4; |
| 1085 | cmd++; |
| 1086 | |
| 1087 | /* CMD */ |
| 1088 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 1089 | cmd->src = paddr(&data->cmd); |
| 1090 | cmd->dst = NC10(NAND_FLASH_CMD); |
| 1091 | cmd->len = 4; |
| 1092 | cmd++; |
| 1093 | |
| 1094 | /* kick the execute register for NC10 */ |
| 1095 | cmd->cmd = 0; |
| 1096 | cmd->src = paddr(&data->exec); |
| 1097 | cmd->dst = NC10(NAND_EXEC_CMD); |
| 1098 | cmd->len = 4; |
| 1099 | cmd++; |
| 1100 | |
| 1101 | /* MASK DATA ACK/REQ --> NC10 (0xF28)*/ |
| 1102 | cmd->cmd = 0; |
| 1103 | cmd->src = paddr(&data->adm_mux_data_ack_req_nc10); |
| 1104 | cmd->dst = EBI2_NAND_ADM_MUX; |
| 1105 | cmd->len = 4; |
| 1106 | cmd++; |
| 1107 | |
| 1108 | /* block on data ready from NC01, then |
| 1109 | * read the status register |
| 1110 | */ |
| 1111 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 1112 | cmd->src = NC01(NAND_FLASH_STATUS); |
| 1113 | cmd->dst = paddr(&data->result[n]); |
| 1114 | /* NAND_FLASH_STATUS + |
| 1115 | * NAND_BUFFER_STATUS |
| 1116 | */ |
| 1117 | cmd->len = 4; |
| 1118 | cmd++; |
| 1119 | |
| 1120 | /* read data block */ |
| 1121 | cmd->cmd = 0; |
| 1122 | cmd->src = NC01(NAND_FLASH_BUFFER); |
| 1123 | cmd->dst = addr + n * 516; |
| 1124 | cmd->len = ((n < (cwperpage -1 )) ? 516 : (512 - ((cwperpage - 1) << 2))); |
| 1125 | cmd++; |
| 1126 | } else { |
| 1127 | if (n != cwperpage - 1) { |
| 1128 | /* MASK CMD ACK/REQ --> |
| 1129 | * NC10 (0xF14) |
| 1130 | */ |
| 1131 | cmd->cmd = 0; |
| 1132 | cmd->src = paddr(&data->adm_mux_cmd_ack_req_nc10); |
| 1133 | cmd->dst = EBI2_NAND_ADM_MUX; |
| 1134 | cmd->len = 4; |
| 1135 | cmd++; |
| 1136 | |
| 1137 | /* CMD */ |
| 1138 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 1139 | cmd->src = paddr(&data->cmd); |
| 1140 | cmd->dst = NC01(NAND_FLASH_CMD); |
| 1141 | cmd->len = 4; |
| 1142 | cmd++; |
| 1143 | |
| 1144 | /* EXEC */ |
| 1145 | cmd->cmd = 0; |
| 1146 | cmd->src = paddr(&data->exec); |
| 1147 | cmd->dst = NC01(NAND_EXEC_CMD); |
| 1148 | cmd->len = 4; |
| 1149 | cmd++; |
| 1150 | |
| 1151 | /* MASK DATA ACK/REQ --> |
| 1152 | * NC01 (0xA3C) |
| 1153 | */ |
| 1154 | cmd->cmd = 0; |
| 1155 | cmd->src = paddr(&data->adm_mux_data_ack_req_nc01); |
| 1156 | cmd->dst = EBI2_NAND_ADM_MUX; |
| 1157 | cmd->len = 4; |
| 1158 | cmd++; |
| 1159 | |
| 1160 | /* block on data ready from NC10 |
| 1161 | * then read the status register |
| 1162 | */ |
| 1163 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 1164 | cmd->src = NC10(NAND_FLASH_STATUS); |
| 1165 | cmd->dst = paddr(&data->result[n]); |
| 1166 | /* NAND_FLASH_STATUS + |
| 1167 | * NAND_BUFFER_STATUS |
| 1168 | */ |
| 1169 | cmd->len = 4; |
| 1170 | cmd++; |
| 1171 | } else { |
| 1172 | /* MASK DATA ACK/REQ -> |
| 1173 | * NC01 (0xA3C) |
| 1174 | */ |
| 1175 | cmd->cmd = 0; |
| 1176 | cmd->src = paddr(&data->adm_mux_data_ack_req_nc01); |
| 1177 | cmd->dst = EBI2_NAND_ADM_MUX; |
| 1178 | cmd->len = 4; |
| 1179 | cmd++; |
| 1180 | |
| 1181 | /* block on data ready from NC10 |
| 1182 | * then read the status register |
| 1183 | */ |
| 1184 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 1185 | cmd->src = NC10(NAND_FLASH_STATUS); |
| 1186 | cmd->dst = paddr(&data->result[n]); |
| 1187 | /* NAND_FLASH_STATUS + |
| 1188 | * NAND_BUFFER_STATUS |
| 1189 | */ |
| 1190 | cmd->len = 4; |
| 1191 | cmd++; |
| 1192 | } |
| 1193 | /* read data block */ |
| 1194 | cmd->cmd = 0; |
| 1195 | cmd->src = NC10(NAND_FLASH_BUFFER); |
| 1196 | cmd->dst = addr + n * 516; |
| 1197 | cmd->len = ((n < (cwperpage -1 )) ? 516 : (512 - ((cwperpage - 1) << 2))); |
| 1198 | cmd++; |
| 1199 | |
| 1200 | if (n == (cwperpage - 1)) { |
| 1201 | /* Use NC10 for reading the |
| 1202 | * last codeword!!! |
| 1203 | */ |
| 1204 | cmd->cmd = 0; |
| 1205 | cmd->src = NC10(NAND_FLASH_BUFFER) + |
| 1206 | (512 - ((cwperpage -1) << 2)); |
| 1207 | cmd->dst = spareaddr; |
| 1208 | cmd->len = 16; |
| 1209 | cmd++; |
| 1210 | } |
| 1211 | } |
| 1212 | } |
| 1213 | /* restore saved ecc config */ |
| 1214 | cmd->cmd = CMD_OCU | CMD_LC; |
| 1215 | cmd->src = paddr(&data->ecc_cfg_save); |
| 1216 | cmd->dst = NAND_EBI2_ECC_BUF_CFG; |
| 1217 | cmd->len = 4; |
| 1218 | |
| 1219 | /* ADM --> Default mux state (0xFC0) */ |
| 1220 | cmd->cmd = 0; |
| 1221 | cmd->src = paddr(&data->adm_default_mux); |
| 1222 | cmd->dst = EBI2_NAND_ADM_MUX; |
| 1223 | cmd->len = 4; |
| 1224 | cmd++; |
| 1225 | |
| 1226 | /* disable CS1 */ |
| 1227 | cmd->cmd = 0; |
| 1228 | cmd->src = paddr(&data->default_ebi2_chip_select_cfg0); |
| 1229 | cmd->dst = EBI2_CHIP_SELECT_CFG0; |
| 1230 | cmd->len = 4; |
| 1231 | cmd++; |
| 1232 | |
| 1233 | ptr[0] = (paddr(cmdlist) >> 3) | CMD_PTR_LP; |
| 1234 | |
| 1235 | dmov_exec_cmdptr(DMOV_NAND_CHAN, ptr); |
| 1236 | |
| 1237 | #if VERBOSE |
| 1238 | dprintf(INFO, "read page %d: status: %x %x %x %x %x %x %x %x \ |
| 1239 | %x %x %x %x %x %x %x %x \n", page, |
| 1240 | data->result[0].flash_status[0], |
| 1241 | data->result[1].flash_status[1], |
| 1242 | data->result[2].flash_status[2], |
| 1243 | data->result[3].flash_status[3], |
| 1244 | data->result[4].flash_status[4], |
| 1245 | data->result[5].flash_status[5], |
| 1246 | data->result[6].flash_status[6], |
| 1247 | data->result[7].flash_status[7], |
| 1248 | data->result[8].flash_status[8], |
| 1249 | data->result[9].flash_status[9], |
| 1250 | data->result[10].flash_status[10], |
| 1251 | data->result[11].flash_status[11], |
| 1252 | data->result[12].flash_status[12], |
| 1253 | data->result[13].flash_status[13], |
| 1254 | data->result[14].flash_status[14], |
| 1255 | data->result[15].flash_status[15]); |
| 1256 | |
| 1257 | for(n = 0; n < 4; n++) { |
| 1258 | ptr = (unsigned*)(addr + 512 * n); |
| 1259 | dprintf(INFO, "data%d: %x %x %x %x\n", n, ptr[0], ptr[1], ptr[2], ptr[3]); |
| 1260 | ptr = (unsigned*)(spareaddr + 16 * n); |
| 1261 | dprintf(INFO, "spare data%d %x %x %x %x\n", n, ptr[0], ptr[1], ptr[2], ptr[3]); |
| 1262 | } |
| 1263 | #endif |
| 1264 | |
| 1265 | /* if any of the writes failed (0x10), or there was a |
| 1266 | ** protection violation (0x100), we lose |
| 1267 | */ |
| 1268 | for(n = 0; n < cwperpage; n++) { |
| 1269 | if (data->result[n].flash_status & 0x110) { |
| 1270 | return -1; |
| 1271 | } |
| 1272 | } |
| 1273 | |
| 1274 | return 0; |
| 1275 | } |
| 1276 | |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 1277 | static int _flash_nand_write_page(dmov_s *cmdlist, unsigned *ptrlist, unsigned page, |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame] | 1278 | const void *_addr, const void *_spareaddr, unsigned raw_mode) |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 1279 | { |
| 1280 | dmov_s *cmd = cmdlist; |
| 1281 | unsigned *ptr = ptrlist; |
| 1282 | struct data_flash_io *data = (void*) (ptrlist + 4); |
| 1283 | unsigned addr = (unsigned) _addr; |
| 1284 | unsigned spareaddr = (unsigned) _spareaddr; |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 1285 | unsigned n; |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 1286 | unsigned cwperpage; |
| 1287 | cwperpage = (flash_pagesize >> 9); |
Shashank Mittal | 8e49dec | 2010-03-01 15:19:04 -0800 | [diff] [blame] | 1288 | unsigned modem_partition = 0; |
| 1289 | if (CFG0 == CFG0_M) |
| 1290 | { |
| 1291 | modem_partition = 1; |
| 1292 | } |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 1293 | |
| 1294 | data->cmd = NAND_CMD_PRG_PAGE; |
| 1295 | data->addr0 = page << 16; |
| 1296 | data->addr1 = (page >> 16) & 0xff; |
| 1297 | data->chipsel = 0 | 4; /* flash0 + undoc bit */ |
Murali Palnati | c54d13a | 2010-01-15 19:50:19 +0530 | [diff] [blame] | 1298 | data->clrfstatus = 0x00000020; |
| 1299 | data->clrrstatus = 0x000000C0; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 1300 | |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame] | 1301 | if (!raw_mode){ |
| 1302 | data->cfg0 = CFG0; |
| 1303 | data->cfg1 = CFG1; |
Channagoud Kadabi | 404a706 | 2011-03-21 19:27:50 +0530 | [diff] [blame^] | 1304 | if (enable_bch_ecc) { |
| 1305 | data->ecc_bch_cfg = ECC_BCH_CFG; |
| 1306 | } |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame] | 1307 | }else{ |
| 1308 | data->cfg0 = (NAND_CFG0_RAW & ~(7 << 6)) |((cwperpage-1) << 6); |
| 1309 | data->cfg1 = NAND_CFG1_RAW | (CFG1 & CFG1_WIDE_FLASH); |
| 1310 | } |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 1311 | |
| 1312 | /* GO bit for the EXEC register */ |
| 1313 | data->exec = 1; |
| 1314 | |
Shashank Mittal | 8e49dec | 2010-03-01 15:19:04 -0800 | [diff] [blame] | 1315 | if (modem_partition) |
| 1316 | data->ecc_cfg = 0x1FF; |
| 1317 | else |
| 1318 | data->ecc_cfg = 0x203; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 1319 | |
| 1320 | /* save existing ecc config */ |
| 1321 | cmd->cmd = CMD_OCB; |
| 1322 | cmd->src = NAND_EBI2_ECC_BUF_CFG; |
| 1323 | cmd->dst = paddr(&data->ecc_cfg_save); |
| 1324 | cmd->len = 4; |
| 1325 | cmd++; |
| 1326 | |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 1327 | for(n = 0; n < cwperpage; n++) { |
| 1328 | /* write CMD / ADDR0 / ADDR1 / CHIPSEL regs in a burst */ |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 1329 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 1330 | cmd->src = paddr(&data->cmd); |
| 1331 | cmd->dst = NAND_FLASH_CMD; |
| 1332 | cmd->len = ((n == 0) ? 16 : 4); |
| 1333 | cmd++; |
| 1334 | |
| 1335 | if (n == 0) { |
| 1336 | /* set configuration */ |
| 1337 | cmd->cmd = 0; |
| 1338 | cmd->src = paddr(&data->cfg0); |
| 1339 | cmd->dst = NAND_DEV0_CFG0; |
Channagoud Kadabi | 404a706 | 2011-03-21 19:27:50 +0530 | [diff] [blame^] | 1340 | if (enable_bch_ecc) { |
| 1341 | cmd->len = 12; |
| 1342 | } else { |
| 1343 | cmd->len = 8; |
| 1344 | } |
| 1345 | |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 1346 | cmd++; |
| 1347 | |
| 1348 | /* set our ecc config */ |
| 1349 | cmd->cmd = 0; |
| 1350 | cmd->src = paddr(&data->ecc_cfg); |
| 1351 | cmd->dst = NAND_EBI2_ECC_BUF_CFG; |
| 1352 | cmd->len = 4; |
| 1353 | cmd++; |
| 1354 | } |
| 1355 | |
| 1356 | /* write data block */ |
| 1357 | cmd->cmd = 0; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 1358 | cmd->dst = NAND_FLASH_BUFFER; |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame] | 1359 | if (!raw_mode){ |
Shashank Mittal | 8e49dec | 2010-03-01 15:19:04 -0800 | [diff] [blame] | 1360 | if(modem_partition){ |
| 1361 | cmd->src = addr + n * 512; |
| 1362 | cmd->len = 512; |
| 1363 | }else{ |
| 1364 | cmd->src = addr + n * 516; |
| 1365 | cmd->len = ((n < (cwperpage - 1)) ? 516 : (512 - ((cwperpage - 1) << 2))); |
| 1366 | } |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame] | 1367 | }else{ |
| 1368 | cmd->src = addr; |
| 1369 | cmd->len = 528; |
| 1370 | } |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 1371 | cmd++; |
| 1372 | |
Shashank Mittal | 8e49dec | 2010-03-01 15:19:04 -0800 | [diff] [blame] | 1373 | if ((n == (cwperpage - 1)) && (!raw_mode) && (!modem_partition)) { |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 1374 | /* write extra data */ |
| 1375 | cmd->cmd = 0; |
| 1376 | cmd->src = spareaddr; |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 1377 | cmd->dst = NAND_FLASH_BUFFER + (512 - ((cwperpage - 1) << 2)); |
| 1378 | cmd->len = (cwperpage << 2); |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 1379 | cmd++; |
| 1380 | } |
| 1381 | |
| 1382 | /* kick the execute register */ |
| 1383 | cmd->cmd = 0; |
| 1384 | cmd->src = paddr(&data->exec); |
| 1385 | cmd->dst = NAND_EXEC_CMD; |
| 1386 | cmd->len = 4; |
| 1387 | cmd++; |
| 1388 | |
| 1389 | /* block on data ready, then read the status register */ |
| 1390 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 1391 | cmd->src = NAND_FLASH_STATUS; |
| 1392 | cmd->dst = paddr(&data->result[n]); |
| 1393 | cmd->len = 8; |
| 1394 | cmd++; |
Murali Palnati | c54d13a | 2010-01-15 19:50:19 +0530 | [diff] [blame] | 1395 | |
| 1396 | cmd->cmd = 0; |
| 1397 | cmd->src = paddr(&data->clrfstatus); |
| 1398 | cmd->dst = NAND_FLASH_STATUS; |
| 1399 | cmd->len = 4; |
| 1400 | cmd++; |
| 1401 | |
| 1402 | cmd->cmd = 0; |
| 1403 | cmd->src = paddr(&data->clrrstatus); |
| 1404 | cmd->dst = NAND_READ_STATUS; |
| 1405 | cmd->len = 4; |
| 1406 | cmd++; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 1407 | } |
| 1408 | |
| 1409 | /* restore saved ecc config */ |
| 1410 | cmd->cmd = CMD_OCU | CMD_LC; |
| 1411 | cmd->src = paddr(&data->ecc_cfg_save); |
| 1412 | cmd->dst = NAND_EBI2_ECC_BUF_CFG; |
| 1413 | cmd->len = 4; |
| 1414 | |
| 1415 | ptr[0] = (paddr(cmdlist) >> 3) | CMD_PTR_LP; |
| 1416 | |
| 1417 | dmov_exec_cmdptr(DMOV_NAND_CHAN, ptr); |
| 1418 | |
| 1419 | #if VERBOSE |
| 1420 | dprintf(INFO, "write page %d: status: %x %x %x %x\n", |
| 1421 | page, data[5], data[6], data[7], data[8]); |
| 1422 | #endif |
| 1423 | |
| 1424 | /* if any of the writes failed (0x10), or there was a |
| 1425 | ** protection violation (0x100), or the program success |
| 1426 | ** bit (0x80) is unset, we lose |
| 1427 | */ |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 1428 | for(n = 0; n < cwperpage; n++) { |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 1429 | if(data->result[n].flash_status & 0x110) return -1; |
| 1430 | if(!(data->result[n].flash_status & 0x80)) return -1; |
| 1431 | } |
| 1432 | |
Dima Zavin | 5582c7d | 2009-03-03 15:17:59 -0800 | [diff] [blame] | 1433 | #if VERIFY_WRITE |
| 1434 | n = _flash_read_page(cmdlist, ptrlist, page, flash_data, |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 1435 | flash_data + 2048); |
Dima Zavin | 5582c7d | 2009-03-03 15:17:59 -0800 | [diff] [blame] | 1436 | if (n != 0) |
| 1437 | return -1; |
| 1438 | if (memcmp(flash_data, _addr, 2048) || |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 1439 | memcmp(flash_data + 2048, _spareaddr, 16)) { |
Dima Zavin | 5582c7d | 2009-03-03 15:17:59 -0800 | [diff] [blame] | 1440 | dprintf(CRITICAL, "verify error @ page %d\n", page); |
| 1441 | return -1; |
| 1442 | } |
| 1443 | #endif |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 1444 | return 0; |
| 1445 | } |
Murali Nalajala | a8c94c6 | 2010-03-05 20:24:30 +0530 | [diff] [blame] | 1446 | |
| 1447 | static int flash_nand_write_page_interleave(dmov_s *cmdlist, unsigned *ptrlist, unsigned page, |
| 1448 | const void *_addr, const void *_spareaddr, unsigned raw_mode) |
| 1449 | { |
| 1450 | dmov_s *cmd = cmdlist; |
| 1451 | unsigned *ptr = ptrlist; |
| 1452 | struct interleave_data_flash_io *data = (void*) (ptrlist + 4); |
| 1453 | unsigned addr = (unsigned) _addr; |
| 1454 | unsigned spareaddr = (unsigned) _spareaddr; |
| 1455 | unsigned n; |
| 1456 | unsigned cwperpage, cwcount; |
| 1457 | |
| 1458 | cwperpage = (flash_pagesize >> 9) * 2; /* double for interleave mode */ |
| 1459 | cwcount = (cwperpage << 1); |
| 1460 | |
| 1461 | data->cmd = NAND_CMD_PRG_PAGE; |
| 1462 | data->addr0 = page << 16; |
| 1463 | data->addr1 = (page >> 16) & 0xff; |
| 1464 | data->chipsel_cs0 = 0 | 4; /* flash0 + undoc bit */ |
| 1465 | data->chipsel_cs1 = 0 | 5; /* flash0 + undoc bit */ |
| 1466 | data->ebi2_chip_select_cfg0 = 0x00000805; |
| 1467 | data->adm_mux_data_ack_req_nc01 = 0x00000A3C; |
| 1468 | data->adm_mux_cmd_ack_req_nc01 = 0x0000053C; |
| 1469 | data->adm_mux_data_ack_req_nc10 = 0x00000F28; |
| 1470 | data->adm_mux_cmd_ack_req_nc10 = 0x00000F14; |
| 1471 | data->adm_default_mux = 0x00000FC0; |
| 1472 | data->default_ebi2_chip_select_cfg0 = 0x00000801; |
| 1473 | |
| 1474 | if (!raw_mode){ |
| 1475 | data->cfg0 = CFG0; |
| 1476 | data->cfg1 = CFG1; |
| 1477 | }else{ |
| 1478 | data->cfg0 = (NAND_CFG0_RAW & ~(7 << 6)) |((cwcount-1) << 6); |
| 1479 | data->cfg1 = NAND_CFG1_RAW | (CFG1 & CFG1_WIDE_FLASH); |
| 1480 | } |
| 1481 | |
| 1482 | /* GO bit for the EXEC register */ |
| 1483 | data->exec = 1; |
| 1484 | data->ecc_cfg = 0x203; |
| 1485 | |
| 1486 | for (n = 0; n < cwperpage; n++) { |
| 1487 | /* status return words */ |
| 1488 | data->result[n].flash_status = 0xeeeeeeee; |
| 1489 | |
| 1490 | if (n == 0) { |
| 1491 | /* enable CS1 */ |
| 1492 | cmd->cmd = CMD_OCB; |
| 1493 | cmd->src = paddr(&data->ebi2_chip_select_cfg0); |
| 1494 | cmd->dst = EBI2_CHIP_SELECT_CFG0; |
| 1495 | cmd->len = 4; |
| 1496 | cmd++; |
| 1497 | |
| 1498 | /* save existing ecc config */ |
| 1499 | cmd->cmd = 0; |
| 1500 | cmd->src = NC11(NAND_EBI2_ECC_BUF_CFG); |
| 1501 | cmd->dst = paddr(&data->ecc_cfg_save); |
| 1502 | cmd->len = 4; |
| 1503 | cmd++; |
| 1504 | |
| 1505 | cmd->cmd = 0; |
| 1506 | cmd->src = paddr(&data->ecc_cfg); |
| 1507 | cmd->dst = NC11(NAND_EBI2_ECC_BUF_CFG); |
| 1508 | cmd->len = 4; |
| 1509 | cmd++; |
| 1510 | |
| 1511 | cmd->cmd = 0; |
| 1512 | cmd->src = paddr(&data->addr0); |
| 1513 | cmd->dst = NC11(NAND_ADDR0); |
| 1514 | cmd->len = 8; |
| 1515 | cmd++; |
| 1516 | |
| 1517 | /* enable CS0 */ |
| 1518 | cmd->cmd = 0; |
| 1519 | cmd->src = paddr(&data->chipsel_cs0); |
| 1520 | cmd->dst = NC01(NAND_FLASH_CHIP_SELECT); |
| 1521 | cmd->len = 4; |
| 1522 | cmd++; |
| 1523 | |
| 1524 | /* enable CS1 */ |
| 1525 | cmd->cmd = 0; |
| 1526 | cmd->src = paddr(&data->chipsel_cs1); |
| 1527 | cmd->dst = NC10(NAND_FLASH_CHIP_SELECT); |
| 1528 | cmd->len = 4; |
| 1529 | cmd++; |
| 1530 | |
| 1531 | cmd->cmd = 0; |
| 1532 | cmd->src =paddr(&data->cfg0); |
| 1533 | cmd->dst = NC01(NAND_DEV0_CFG0); |
| 1534 | cmd->len = 8; |
| 1535 | cmd++; |
| 1536 | |
| 1537 | /* config CFG1 for CS1 */ |
| 1538 | cmd->cmd = 0; |
| 1539 | cmd->src =paddr(&data->cfg0); |
| 1540 | cmd->dst = NC10(NAND_DEV1_CFG0); |
| 1541 | cmd->len = 8; |
| 1542 | cmd++; |
| 1543 | } |
| 1544 | |
| 1545 | if (n % 2 == 0) { |
| 1546 | /* MASK CMD ACK/REQ --> NC10 (0xF14)*/ |
| 1547 | cmd->cmd = 0; |
| 1548 | cmd->src = paddr(&data->adm_mux_cmd_ack_req_nc10); |
| 1549 | cmd->dst = EBI2_NAND_ADM_MUX; |
| 1550 | cmd->len = 4; |
| 1551 | cmd++; |
| 1552 | |
| 1553 | /* CMD */ |
| 1554 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 1555 | cmd->src = paddr(&data->cmd); |
| 1556 | cmd->dst = NC01(NAND_FLASH_CMD); |
| 1557 | cmd->len = 4; |
| 1558 | cmd++; |
| 1559 | } else { |
| 1560 | /* MASK CMD ACK/REQ --> NC01 (0x53C)*/ |
| 1561 | cmd->cmd = 0; |
| 1562 | cmd->src = paddr(&data->adm_mux_cmd_ack_req_nc01); |
| 1563 | cmd->dst = EBI2_NAND_ADM_MUX; |
| 1564 | cmd->len = 4; |
| 1565 | cmd++; |
| 1566 | |
| 1567 | /* CMD */ |
| 1568 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 1569 | cmd->src = paddr(&data->cmd); |
| 1570 | cmd->dst = NC10(NAND_FLASH_CMD); |
| 1571 | cmd->len = 4; |
| 1572 | cmd++; |
| 1573 | } |
| 1574 | |
| 1575 | cmd->cmd = 0; |
| 1576 | if (!raw_mode){ |
| 1577 | cmd->src = addr + n * 516; |
| 1578 | cmd->len = ((n < (cwperpage - 1)) ? 516 : (512 - ((cwperpage - 1) << 2))); |
| 1579 | }else{ |
| 1580 | cmd->src = addr; |
| 1581 | cmd->len = 528; |
| 1582 | } |
| 1583 | |
| 1584 | if (n % 2 == 0) |
| 1585 | cmd->dst = NC01(NAND_FLASH_BUFFER); |
| 1586 | else |
| 1587 | cmd->dst = NC10(NAND_FLASH_BUFFER); |
| 1588 | cmd++; |
| 1589 | |
| 1590 | if ((n == (cwperpage - 1)) && (!raw_mode)) { |
| 1591 | /* write extra data */ |
| 1592 | cmd->cmd = 0; |
| 1593 | cmd->src = spareaddr; |
| 1594 | cmd->dst = NC10(NAND_FLASH_BUFFER) + (512 - ((cwperpage - 1) << 2)); |
| 1595 | cmd->len = (cwperpage << 2); |
| 1596 | cmd++; |
| 1597 | } |
| 1598 | |
| 1599 | if (n % 2 == 0) { |
| 1600 | /* kick the NC01 execute register */ |
| 1601 | cmd->cmd = 0; |
| 1602 | cmd->src = paddr(&data->exec); |
| 1603 | cmd->dst = NC01(NAND_EXEC_CMD); |
| 1604 | cmd->len = 4; |
| 1605 | cmd++; |
| 1606 | if (n != 0) { |
| 1607 | /* MASK DATA ACK/REQ --> NC01 (0xA3C)*/ |
| 1608 | cmd->cmd = 0; |
| 1609 | cmd->src = paddr(&data->adm_mux_data_ack_req_nc01); |
| 1610 | cmd->dst = EBI2_NAND_ADM_MUX; |
| 1611 | cmd->len = 4; |
| 1612 | cmd++; |
| 1613 | |
| 1614 | /* block on data ready from NC10, then |
| 1615 | * read the status register |
| 1616 | */ |
| 1617 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 1618 | cmd->src = NC10(NAND_FLASH_STATUS); |
| 1619 | cmd->dst = paddr(&data->result[n-1]); |
| 1620 | cmd->len = 4; |
| 1621 | cmd++; |
| 1622 | } |
| 1623 | } else { |
| 1624 | /* kick the execute register */ |
| 1625 | cmd->cmd = 0; |
| 1626 | cmd->src = paddr(&data->exec); |
| 1627 | cmd->dst = NC10(NAND_EXEC_CMD); |
| 1628 | cmd->len = 4; |
| 1629 | cmd++; |
| 1630 | |
| 1631 | /* MASK DATA ACK/REQ --> NC10 (0xF28)*/ |
| 1632 | cmd->cmd = 0; |
| 1633 | cmd->src = paddr(&data->adm_mux_data_ack_req_nc10); |
| 1634 | cmd->dst = EBI2_NAND_ADM_MUX; |
| 1635 | cmd->len = 4; |
| 1636 | cmd++; |
| 1637 | |
| 1638 | /* block on data ready from NC01, then |
| 1639 | * read the status register |
| 1640 | */ |
| 1641 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 1642 | cmd->src = NC01(NAND_FLASH_STATUS); |
| 1643 | cmd->dst = paddr(&data->result[n-1]); |
| 1644 | cmd->len = 4; |
| 1645 | cmd++; |
| 1646 | } |
| 1647 | } |
| 1648 | |
| 1649 | /* MASK DATA ACK/REQ --> NC01 (0xA3C)*/ |
| 1650 | cmd->cmd = 0; |
| 1651 | cmd->src = paddr(&data->adm_mux_data_ack_req_nc01); |
| 1652 | cmd->dst = EBI2_NAND_ADM_MUX; |
| 1653 | cmd->len = 4; |
| 1654 | cmd++; |
| 1655 | |
| 1656 | /* we should process outstanding request */ |
| 1657 | /* block on data ready, then |
| 1658 | * read the status register |
| 1659 | */ |
| 1660 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 1661 | cmd->src = NC10(NAND_FLASH_STATUS); |
| 1662 | cmd->dst = paddr(&data->result[n-1]); |
| 1663 | cmd->len = 4; |
| 1664 | cmd++; |
| 1665 | |
| 1666 | /* restore saved ecc config */ |
| 1667 | cmd->cmd = 0; |
| 1668 | cmd->src = paddr(&data->ecc_cfg_save); |
| 1669 | cmd->dst = NAND_EBI2_ECC_BUF_CFG; |
| 1670 | cmd->len = 4; |
| 1671 | |
| 1672 | /* MASK DATA ACK/REQ --> NC01 (0xFC0)*/ |
| 1673 | cmd->cmd = 0; |
| 1674 | cmd->src = paddr(&data->adm_default_mux); |
| 1675 | cmd->dst = EBI2_NAND_ADM_MUX; |
| 1676 | cmd->len = 4; |
| 1677 | cmd++; |
| 1678 | |
| 1679 | /* disable CS1 */ |
| 1680 | cmd->cmd = CMD_OCU | CMD_LC; |
| 1681 | cmd->src = paddr(&data->default_ebi2_chip_select_cfg0); |
| 1682 | cmd->dst = EBI2_CHIP_SELECT_CFG0; |
| 1683 | cmd->len = 4; |
| 1684 | cmd++; |
| 1685 | |
| 1686 | ptr[0] = (paddr(cmdlist) >> 3) | CMD_PTR_LP; |
| 1687 | |
| 1688 | dmov_exec_cmdptr(DMOV_NAND_CHAN, ptr); |
| 1689 | |
| 1690 | #if VERBOSE |
| 1691 | dprintf(INFO, "write page %d: status: %x %x %x %x %x %x %x %x \ |
| 1692 | %x %x %x %x %x %x %x %x \n", page, |
| 1693 | data->result[0].flash_status[0], |
| 1694 | data->result[1].flash_status[1], |
| 1695 | data->result[2].flash_status[2], |
| 1696 | data->result[3].flash_status[3], |
| 1697 | data->result[4].flash_status[4], |
| 1698 | data->result[5].flash_status[5], |
| 1699 | data->result[6].flash_status[6], |
| 1700 | data->result[7].flash_status[7], |
| 1701 | data->result[8].flash_status[8], |
| 1702 | data->result[9].flash_status[9], |
| 1703 | data->result[10].flash_status[10], |
| 1704 | data->result[11].flash_status[11], |
| 1705 | data->result[12].flash_status[12], |
| 1706 | data->result[13].flash_status[13], |
| 1707 | data->result[14].flash_status[14], |
| 1708 | data->result[15].flash_status[15]); |
| 1709 | #endif |
| 1710 | |
| 1711 | /* if any of the writes failed (0x10), or there was a |
| 1712 | ** protection violation (0x100), or the program success |
| 1713 | ** bit (0x80) is unset, we lose |
| 1714 | */ |
| 1715 | for(n = 0; n < cwperpage; n++) { |
| 1716 | if(data->result[n].flash_status & 0x110) return -1; |
| 1717 | if(!(data->result[n].flash_status & 0x80)) return -1; |
| 1718 | } |
| 1719 | |
| 1720 | #if VERIFY_WRITE |
| 1721 | n = _flash_read_page(cmdlist, ptrlist, page, flash_data, |
| 1722 | flash_data + 2048); |
| 1723 | if (n != 0) |
| 1724 | return -1; |
| 1725 | if (memcmp(flash_data, _addr, 2048) || |
| 1726 | memcmp(flash_data + 2048, _spareaddr, 16)) { |
| 1727 | dprintf(CRITICAL, "verify error @ page %d\n", page); |
| 1728 | return -1; |
| 1729 | } |
| 1730 | #endif |
| 1731 | return 0; |
| 1732 | } |
| 1733 | |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame] | 1734 | char empty_buf[528]; |
| 1735 | static int flash_nand_mark_badblock(dmov_s *cmdlist, unsigned *ptrlist, unsigned page) |
| 1736 | { |
| 1737 | memset(empty_buf,0,528); |
| 1738 | /* Going to first page of the block */ |
Channagoud Kadabi | beb17d5 | 2011-03-25 17:14:00 +0530 | [diff] [blame] | 1739 | if(page & num_pages_per_blk_mask) |
| 1740 | page = page - (page & num_pages_per_blk_mask); |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame] | 1741 | return _flash_nand_write_page(cmdlist, ptrlist, page, empty_buf, 0, 1); |
| 1742 | } |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 1743 | |
Shashank Mittal | 83d16d0 | 2009-11-18 16:54:42 -0800 | [diff] [blame] | 1744 | unsigned nand_cfg0; |
| 1745 | unsigned nand_cfg1; |
| 1746 | |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 1747 | static int flash_nand_read_config(dmov_s *cmdlist, unsigned *ptrlist) |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 1748 | { |
Shashank Mittal | 8e49dec | 2010-03-01 15:19:04 -0800 | [diff] [blame] | 1749 | static unsigned CFG0_TMP, CFG1_TMP; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 1750 | cmdlist[0].cmd = CMD_OCB; |
| 1751 | cmdlist[0].src = NAND_DEV0_CFG0; |
Shashank Mittal | 8e49dec | 2010-03-01 15:19:04 -0800 | [diff] [blame] | 1752 | cmdlist[0].dst = paddr(&CFG0_TMP); |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 1753 | cmdlist[0].len = 4; |
| 1754 | |
| 1755 | cmdlist[1].cmd = CMD_OCU | CMD_LC; |
| 1756 | cmdlist[1].src = NAND_DEV0_CFG1; |
Shashank Mittal | 8e49dec | 2010-03-01 15:19:04 -0800 | [diff] [blame] | 1757 | cmdlist[1].dst = paddr(&CFG1_TMP); |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 1758 | cmdlist[1].len = 4; |
| 1759 | |
| 1760 | *ptrlist = (paddr(cmdlist) >> 3) | CMD_PTR_LP; |
| 1761 | |
| 1762 | dmov_exec_cmdptr(DMOV_NAND_CHAN, ptrlist); |
| 1763 | |
Shashank Mittal | 8e49dec | 2010-03-01 15:19:04 -0800 | [diff] [blame] | 1764 | if((CFG0_TMP == 0) || (CFG1_TMP == 0)) { |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 1765 | return -1; |
| 1766 | } |
| 1767 | |
Shashank Mittal | 8e49dec | 2010-03-01 15:19:04 -0800 | [diff] [blame] | 1768 | CFG0_A = CFG0_TMP; |
| 1769 | CFG1_A = CFG1_TMP; |
Shashank Mittal | 83d16d0 | 2009-11-18 16:54:42 -0800 | [diff] [blame] | 1770 | if (flash_info.type == FLASH_16BIT_NAND_DEVICE) { |
| 1771 | nand_cfg1 |= CFG1_WIDE_FLASH; |
| 1772 | } |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 1773 | dprintf(INFO, "nandcfg: %x %x (initial)\n", CFG0, CFG1); |
| 1774 | |
Shashank Mittal | 8e49dec | 2010-03-01 15:19:04 -0800 | [diff] [blame] | 1775 | CFG0_A = (((flash_pagesize >> 9) - 1) << 6) /* 4/8 cw/pg for 2/4k */ |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 1776 | | (516 << 9) /* 516 user data bytes */ |
| 1777 | | (10 << 19) /* 10 parity bytes */ |
| 1778 | | (5 << 27) /* 5 address cycles */ |
Murali Palnati | c54d13a | 2010-01-15 19:50:19 +0530 | [diff] [blame] | 1779 | | (0 << 30) /* Do not read status before data */ |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 1780 | | (1 << 31) /* Send read cmd */ |
| 1781 | /* 0 spare bytes for 16 bit nand or 1 spare bytes for 8 bit */ |
Channagoud Kadabi | 404a706 | 2011-03-21 19:27:50 +0530 | [diff] [blame^] | 1782 | | ((nand_cfg1 & CFG1_WIDE_FLASH) ? (0 << 23) : |
| 1783 | (enable_bch_ecc ? (2 << 23) : (1 << 23))); /* 2 spare bytes for 8 bit bch ecc */ |
Shashank Mittal | 8e49dec | 2010-03-01 15:19:04 -0800 | [diff] [blame] | 1784 | CFG1_A = (0 << 0) /* Enable ecc */ |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 1785 | | (7 << 2) /* 8 recovery cycles */ |
| 1786 | | (0 << 5) /* Allow CS deassertion */ |
Channagoud Kadabi | 404a706 | 2011-03-21 19:27:50 +0530 | [diff] [blame^] | 1787 | | ((flash_pagesize - ((enable_bch_ecc ? 532 : 528) * |
| 1788 | ((flash_pagesize >> 9) - 1)) + 1) << 6) /* Bad block marker location */ |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 1789 | | (0 << 16) /* Bad block in user data area */ |
| 1790 | | (2 << 17) /* 6 cycle tWB/tRB */ |
| 1791 | | (nand_cfg1 & CFG1_WIDE_FLASH); /* preserve wide flash flag */ |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 1792 | |
Channagoud Kadabi | 404a706 | 2011-03-21 19:27:50 +0530 | [diff] [blame^] | 1793 | NAND_CFG0_RAW = CFG0_RAW; |
| 1794 | NAND_CFG1_RAW = CFG1_RAW; |
| 1795 | |
| 1796 | if (enable_bch_ecc) { |
| 1797 | CFG1_A |= (1 << 27); /* Enable BCH engine */ |
| 1798 | ECC_BCH_CFG = (0 << 0) /* Enable ECC*/ |
| 1799 | | (0 << 1) /* Enable/Disable SW reset of ECC engine */ |
| 1800 | | (1 << 4) /* 8bit ecc*/ |
| 1801 | | ((nand_cfg1 & CFG1_WIDE_FLASH) ? (14 << 8) : (13 << 8))/*parity bytes*/ |
| 1802 | | (516 << 16) /* 516 user data bytes */ |
| 1803 | | (1 << 30); /* Turn on ECC engine clocks always */ |
| 1804 | NAND_CFG0_RAW = CFG0_RAW_BCHECC; /* CW size is increased to 532B */ |
| 1805 | } |
| 1806 | |
Shashank Mittal | 8e49dec | 2010-03-01 15:19:04 -0800 | [diff] [blame] | 1807 | dprintf(INFO, "nandcfg(Apps): %x %x (used)\n", CFG0_A, CFG1_A); |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 1808 | |
Shashank Mittal | 8e49dec | 2010-03-01 15:19:04 -0800 | [diff] [blame] | 1809 | CFG0_M = CFG0_TMP; |
| 1810 | CFG1_M = CFG1_TMP; |
| 1811 | if (flash_info.type == FLASH_16BIT_NAND_DEVICE) { |
| 1812 | nand_cfg1 |= CFG1_WIDE_FLASH; |
| 1813 | } |
| 1814 | CFG0_M = (((flash_pagesize >> 9) - 1) << 6) /* 4/8 cw/pg for 2/4k */ |
| 1815 | | (512 << 9) /* 512 user data bytes */ |
| 1816 | | (10 << 19) /* 10 parity bytes */ |
| 1817 | | (5 << 27) /* 5 address cycles */ |
| 1818 | | (0 << 30) /* Do not read status before data */ |
| 1819 | | (1 << 31) /* Send read cmd */ |
| 1820 | | ((nand_cfg1 & CFG1_WIDE_FLASH) ? (4 << 23) : (5 << 23)); |
| 1821 | CFG1_M = (0 << 0) /* Enable ecc */ |
| 1822 | | (7 << 2) /* 8 recovery cycles */ |
| 1823 | | (0 << 5) /* Allow CS deassertion */ |
| 1824 | | ((flash_pagesize - (528 * ((flash_pagesize >> 9) - 1)) + 1) << 6) /* Bad block marker location */ |
| 1825 | | (0 << 16) /* Bad block in user data area */ |
| 1826 | | (2 << 17) /* 6 cycle tWB/tRB */ |
| 1827 | | (nand_cfg1 & CFG1_WIDE_FLASH); /* preserve wide flash flag */ |
| 1828 | dprintf(INFO, "nandcfg(Modem): %x %x (used)\n", CFG0_M, CFG1_M); |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 1829 | return 0; |
| 1830 | } |
| 1831 | |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 1832 | /* OneNAND programming functions */ |
| 1833 | |
| 1834 | static void flash_onenand_read_id(dmov_s *cmdlist, unsigned *ptrlist) |
| 1835 | { |
| 1836 | dmov_s *cmd = cmdlist; |
| 1837 | unsigned *ptr = ptrlist; |
| 1838 | unsigned *data = ptrlist + 4; |
| 1839 | |
| 1840 | data[0] = SFLASH_BCFG; |
| 1841 | data[1] = SFLASH_PREPCMD(8, 0, 0, NAND_SFCMD_DATXS, NAND_SFCMD_ASYNC, NAND_SFCMD_REGRD); |
| 1842 | data[2] = (ONENAND_DEVICE_ID << 16) | (ONENAND_MANUFACTURER_ID); |
| 1843 | data[3] = (ONENAND_DATA_BUFFER_SIZE << 16) | (ONENAND_VERSION_ID); |
| 1844 | data[4] = (ONENAND_AMOUNT_OF_BUFFERS << 16) | (ONENAND_BOOT_BUFFER_SIZE); |
| 1845 | data[5] = (CLEAN_DATA_16 << 16) | (ONENAND_TECHNOLOGY); |
| 1846 | data[6] = CLEAN_DATA_32; //status |
| 1847 | data[7] = CLEAN_DATA_32; //register read |
| 1848 | data[8] = CLEAN_DATA_32; //register read |
| 1849 | data[9] = CLEAN_DATA_32; //register read |
| 1850 | data[10] = CLEAN_DATA_32; //register read |
| 1851 | data[11] = 1; |
| 1852 | data[12] = 0 | 4; |
| 1853 | |
| 1854 | /* Setup controller in SFLASH mode */ |
| 1855 | cmd[0].cmd = 0 | CMD_OCB; |
| 1856 | cmd[0].src = paddr(&data[0]); |
| 1857 | cmd[0].dst = NAND_SFLASHC_BURST_CFG; |
| 1858 | cmd[0].len = 4; |
| 1859 | |
| 1860 | /* Enable data mover for controller */ |
| 1861 | cmd[1].cmd = 0; |
| 1862 | cmd[1].src = paddr(&data[12]); |
| 1863 | cmd[1].dst = NAND_FLASH_CHIP_SELECT; |
| 1864 | cmd[1].len = 4; |
| 1865 | |
| 1866 | /* Setup SFLASHC_CMD with xfers in async mode */ |
| 1867 | cmd[2].cmd = DST_CRCI_NAND_CMD; |
| 1868 | cmd[2].src = paddr(&data[1]); |
| 1869 | cmd[2].dst = NAND_SFLASHC_CMD; |
| 1870 | cmd[2].len = 4; |
| 1871 | |
| 1872 | /* Setup to read device information */ |
| 1873 | cmd[3].cmd = 0; |
| 1874 | cmd[3].src = paddr(&data[2]); |
| 1875 | cmd[3].dst = NAND_ADDR0; |
| 1876 | cmd[3].len = 8; |
| 1877 | |
| 1878 | cmd[4].cmd = 0; |
| 1879 | cmd[4].src = paddr(&data[4]); |
| 1880 | cmd[4].dst = NAND_ADDR2; |
| 1881 | cmd[4].len = 8; |
| 1882 | |
| 1883 | /* Set execute bit */ |
| 1884 | cmd[5].cmd = 0; |
| 1885 | cmd[5].src = paddr(&data[11]); |
| 1886 | cmd[5].dst = NAND_SFLASHC_EXEC_CMD; |
| 1887 | cmd[5].len = 4; |
| 1888 | |
| 1889 | /* Check status */ |
| 1890 | cmd[6].cmd = SRC_CRCI_NAND_DATA; |
| 1891 | cmd[6].src = NAND_SFLASHC_STATUS; |
| 1892 | cmd[6].dst = paddr(&data[6]); |
| 1893 | cmd[6].len = 4; |
| 1894 | |
| 1895 | /* Read result device registers */ |
| 1896 | cmd[7].cmd = 0 | CMD_OCU | CMD_LC; |
| 1897 | cmd[7].src = NAND_GENP_REG0; |
| 1898 | cmd[7].dst = paddr(&data[7]); |
| 1899 | cmd[7].len = 16; |
| 1900 | |
| 1901 | ptr[0] = (paddr(cmd) >> 3) | CMD_PTR_LP; |
| 1902 | |
| 1903 | dmov_exec_cmdptr(DMOV_NAND_CHAN, ptr); |
| 1904 | |
| 1905 | #if VERBOSE |
| 1906 | dprintf(INFO, "status: %x\n", data[6]); |
| 1907 | #endif |
| 1908 | |
| 1909 | flash_info.id = data[7]; |
| 1910 | flash_info.vendor = data[7] & CLEAN_DATA_16; |
| 1911 | flash_info.device = (data[7] >> 16) & CLEAN_DATA_16; |
| 1912 | return; |
| 1913 | } |
| 1914 | |
| 1915 | |
| 1916 | struct data_onenand_erase { |
| 1917 | unsigned sfbcfg; |
| 1918 | unsigned sfcmd[4]; |
| 1919 | unsigned sfexec; |
| 1920 | unsigned sfstat[4]; |
| 1921 | unsigned addr0; |
| 1922 | unsigned addr1; |
| 1923 | unsigned addr2; |
| 1924 | unsigned addr3; |
| 1925 | unsigned addr4; |
| 1926 | unsigned addr5; |
| 1927 | unsigned addr6; |
| 1928 | unsigned data0; |
| 1929 | unsigned data1; |
| 1930 | unsigned data2; |
| 1931 | unsigned data3; |
| 1932 | unsigned data4; |
| 1933 | unsigned data5; |
| 1934 | unsigned data6; |
| 1935 | }; |
| 1936 | |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 1937 | |
| 1938 | static int _flash_onenand_read_page(dmov_s *cmdlist, unsigned *ptrlist, |
| 1939 | unsigned page, void *_addr, |
| 1940 | void *_spareaddr, unsigned raw_mode); |
| 1941 | |
| 1942 | |
| 1943 | static int flash_onenand_block_isbad(dmov_s *cmdlist, unsigned *ptrlist, |
| 1944 | unsigned page) |
| 1945 | { |
| 1946 | unsigned char page_data[2112]; |
| 1947 | unsigned char *oobptr = &(page_data[2048]); |
| 1948 | |
| 1949 | /* Going to first page of the block */ |
Channagoud Kadabi | beb17d5 | 2011-03-25 17:14:00 +0530 | [diff] [blame] | 1950 | if(page & num_pages_per_blk_mask) |
| 1951 | page = page - (page & num_pages_per_blk_mask); |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 1952 | |
| 1953 | /* Reading page in raw mode */ |
| 1954 | if (_flash_onenand_read_page(cmdlist, ptrlist,page, page_data, 0, 1)) |
| 1955 | return 1; |
| 1956 | |
| 1957 | /* Checking if block is bad */ |
| 1958 | if ((oobptr[0] != 0xFF) || (oobptr[1] != 0xFF) || |
| 1959 | (oobptr[16] != 0xFF) || (oobptr[17] != 0xFF) || |
| 1960 | (oobptr[32] != 0xFF) || (oobptr[33] != 0xFF) || |
| 1961 | (oobptr[48] != 0xFF) || (oobptr[49] != 0xFF) |
| 1962 | ) |
| 1963 | { |
| 1964 | return 1; |
| 1965 | } |
| 1966 | return 0; |
| 1967 | } |
| 1968 | |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 1969 | static int flash_onenand_erase_block(dmov_s *cmdlist, unsigned *ptrlist, |
| 1970 | unsigned page) |
| 1971 | { |
| 1972 | dmov_s *cmd = cmdlist; |
| 1973 | unsigned *ptr = ptrlist; |
| 1974 | struct data_onenand_erase *data = (void *)ptrlist + 4; |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 1975 | int isbad = 0; |
Channagoud Kadabi | beb17d5 | 2011-03-25 17:14:00 +0530 | [diff] [blame] | 1976 | unsigned erasesize = (flash_pagesize * num_pages_per_blk); |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 1977 | unsigned onenand_startaddr1 = DEVICE_FLASHCORE_0 | (page * flash_pagesize)/erasesize; |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 1978 | unsigned onenand_startaddr8 = 0x0000; |
| 1979 | unsigned onenand_startaddr2 = DEVICE_BUFFERRAM_0 << 15; |
| 1980 | unsigned onenand_startbuffer = DATARAM0_0 << 8; |
| 1981 | |
| 1982 | unsigned controller_status; |
| 1983 | unsigned interrupt_status; |
| 1984 | unsigned ecc_status; |
| 1985 | |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 1986 | if((page * flash_pagesize) & (erasesize-1)) return -1; |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 1987 | |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 1988 | /* Check for bad block and erase only if block is not marked bad */ |
| 1989 | isbad = flash_onenand_block_isbad(cmdlist, ptrlist, page); |
| 1990 | if (isbad) |
| 1991 | { |
Channagoud Kadabi | beb17d5 | 2011-03-25 17:14:00 +0530 | [diff] [blame] | 1992 | dprintf(INFO, "skipping @ %d (bad block)\n", page / num_pages_per_blk); |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 1993 | return -1; |
| 1994 | } |
| 1995 | |
| 1996 | /*Erase block*/ |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 1997 | onenand_startaddr1 = DEVICE_FLASHCORE_0 | |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 1998 | ((page * flash_pagesize) / (erasesize)); |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 1999 | onenand_startaddr8 = 0x0000; |
| 2000 | onenand_startaddr2 = DEVICE_BUFFERRAM_0 << 15; |
| 2001 | onenand_startbuffer = DATARAM0_0 << 8; |
| 2002 | |
| 2003 | |
| 2004 | data->sfbcfg = SFLASH_BCFG; |
| 2005 | data->sfcmd[0] = SFLASH_PREPCMD(7, 0, 0, |
| 2006 | NAND_SFCMD_CMDXS, |
| 2007 | NAND_SFCMD_ASYNC, |
| 2008 | NAND_SFCMD_REGWR); |
| 2009 | data->sfcmd[1] = SFLASH_PREPCMD(0, 0, 32, |
| 2010 | NAND_SFCMD_CMDXS, |
| 2011 | NAND_SFCMD_ASYNC, |
| 2012 | NAND_SFCMD_INTHI); |
| 2013 | data->sfcmd[2] = SFLASH_PREPCMD(3, 7, 0, |
| 2014 | NAND_SFCMD_DATXS, |
| 2015 | NAND_SFCMD_ASYNC, |
| 2016 | NAND_SFCMD_REGRD); |
| 2017 | data->sfcmd[3] = SFLASH_PREPCMD(4, 10, 0, |
| 2018 | NAND_SFCMD_CMDXS, |
| 2019 | NAND_SFCMD_ASYNC, |
| 2020 | NAND_SFCMD_REGWR); |
| 2021 | data->sfexec = 1; |
| 2022 | data->sfstat[0] = CLEAN_DATA_32; |
| 2023 | data->sfstat[1] = CLEAN_DATA_32; |
| 2024 | data->sfstat[2] = CLEAN_DATA_32; |
| 2025 | data->sfstat[3] = CLEAN_DATA_32; |
| 2026 | data->addr0 = (ONENAND_INTERRUPT_STATUS << 16) | |
| 2027 | (ONENAND_SYSTEM_CONFIG_1); |
| 2028 | data->addr1 = (ONENAND_START_ADDRESS_8 << 16) | |
| 2029 | (ONENAND_START_ADDRESS_1); |
| 2030 | data->addr2 = (ONENAND_START_BUFFER << 16) | |
| 2031 | (ONENAND_START_ADDRESS_2); |
| 2032 | data->addr3 = (ONENAND_ECC_STATUS << 16) | |
| 2033 | (ONENAND_COMMAND); |
| 2034 | data->addr4 = (ONENAND_CONTROLLER_STATUS << 16) | |
| 2035 | (ONENAND_INTERRUPT_STATUS); |
| 2036 | data->addr5 = (ONENAND_INTERRUPT_STATUS << 16) | |
| 2037 | (ONENAND_SYSTEM_CONFIG_1); |
| 2038 | data->addr6 = (ONENAND_START_ADDRESS_3 << 16) | |
| 2039 | (ONENAND_START_ADDRESS_1); |
| 2040 | data->data0 = (ONENAND_CLRINTR << 16) | |
| 2041 | (ONENAND_SYSCFG1_ECCENA); |
| 2042 | data->data1 = (onenand_startaddr8 << 16) | |
| 2043 | (onenand_startaddr1); |
| 2044 | data->data2 = (onenand_startbuffer << 16) | |
| 2045 | (onenand_startaddr2); |
| 2046 | data->data3 = (CLEAN_DATA_16 << 16) | |
| 2047 | (ONENAND_CMDERAS); |
| 2048 | data->data4 = (CLEAN_DATA_16 << 16) | |
| 2049 | (CLEAN_DATA_16); |
| 2050 | data->data5 = (ONENAND_CLRINTR << 16) | |
| 2051 | (ONENAND_SYSCFG1_ECCENA); |
| 2052 | data->data6 = (ONENAND_STARTADDR3_RES << 16) | |
| 2053 | (ONENAND_STARTADDR1_RES); |
| 2054 | |
| 2055 | /***************************************************************/ |
| 2056 | /* Write the necessary address registers in the onenand device */ |
| 2057 | /***************************************************************/ |
| 2058 | |
| 2059 | /* Enable and configure the SFlash controller */ |
| 2060 | cmd->cmd = 0 | CMD_OCB; |
| 2061 | cmd->src = paddr(&data->sfbcfg); |
| 2062 | cmd->dst = NAND_SFLASHC_BURST_CFG; |
| 2063 | cmd->len = 4; |
| 2064 | cmd++; |
| 2065 | |
| 2066 | /* Block on cmd ready and write CMD register */ |
| 2067 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 2068 | cmd->src = paddr(&data->sfcmd[0]); |
| 2069 | cmd->dst = NAND_SFLASHC_CMD; |
| 2070 | cmd->len = 4; |
| 2071 | cmd++; |
| 2072 | |
| 2073 | /* Write the ADDR0 and ADDR1 registers */ |
| 2074 | cmd->cmd = 0; |
| 2075 | cmd->src = paddr(&data->addr0); |
| 2076 | cmd->dst = NAND_ADDR0; |
| 2077 | cmd->len = 8; |
| 2078 | cmd++; |
| 2079 | |
| 2080 | /* Write the ADDR2 ADDR3 ADDR4 ADDR5 registers */ |
| 2081 | cmd->cmd = 0; |
| 2082 | cmd->src = paddr(&data->addr2); |
| 2083 | cmd->dst = NAND_ADDR2; |
| 2084 | cmd->len = 16; |
| 2085 | cmd++; |
| 2086 | |
| 2087 | /* Write the ADDR6 registers */ |
| 2088 | cmd->cmd = 0; |
| 2089 | cmd->src = paddr(&data->addr6); |
| 2090 | cmd->dst = NAND_ADDR6; |
| 2091 | cmd->len = 4; |
| 2092 | cmd++; |
| 2093 | |
| 2094 | /* Write the GENP0, GENP1, GENP2, GENP3, GENP4 registers */ |
| 2095 | cmd->cmd = 0; |
| 2096 | cmd->src = paddr(&data->data0); |
| 2097 | cmd->dst = NAND_GENP_REG0; |
| 2098 | cmd->len = 16; |
| 2099 | cmd++; |
| 2100 | |
| 2101 | /* Write the FLASH_DEV_CMD4,5,6 registers */ |
| 2102 | cmd->cmd = 0; |
| 2103 | cmd->src = paddr(&data->data4); |
| 2104 | cmd->dst = NAND_DEV_CMD4; |
| 2105 | cmd->len = 12; |
| 2106 | cmd++; |
| 2107 | |
| 2108 | /* Kick the execute command */ |
| 2109 | cmd->cmd = 0; |
| 2110 | cmd->src = paddr(&data->sfexec); |
| 2111 | cmd->dst = NAND_SFLASHC_EXEC_CMD; |
| 2112 | cmd->len = 4; |
| 2113 | cmd++; |
| 2114 | |
| 2115 | /* Block on data ready, and read the status register */ |
| 2116 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 2117 | cmd->src = NAND_SFLASHC_STATUS; |
| 2118 | cmd->dst = paddr(&data->sfstat[0]); |
| 2119 | cmd->len = 4; |
| 2120 | cmd++; |
| 2121 | |
| 2122 | /***************************************************************/ |
| 2123 | /* Wait for the interrupt from the Onenand device controller */ |
| 2124 | /***************************************************************/ |
| 2125 | |
| 2126 | /* Block on cmd ready and write CMD register */ |
| 2127 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 2128 | cmd->src = paddr(&data->sfcmd[1]); |
| 2129 | cmd->dst = NAND_SFLASHC_CMD; |
| 2130 | cmd->len = 4; |
| 2131 | cmd++; |
| 2132 | |
| 2133 | /* Kick the execute command */ |
| 2134 | cmd->cmd = 0; |
| 2135 | cmd->src = paddr(&data->sfexec); |
| 2136 | cmd->dst = NAND_SFLASHC_EXEC_CMD; |
| 2137 | cmd->len = 4; |
| 2138 | cmd++; |
| 2139 | |
| 2140 | /* Block on data ready, and read the status register */ |
| 2141 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 2142 | cmd->src = NAND_SFLASHC_STATUS; |
| 2143 | cmd->dst = paddr(&data->sfstat[1]); |
| 2144 | cmd->len = 4; |
| 2145 | cmd++; |
| 2146 | |
| 2147 | /***************************************************************/ |
| 2148 | /* Read the necessary status registers from the onenand device */ |
| 2149 | /***************************************************************/ |
| 2150 | |
| 2151 | /* Block on cmd ready and write CMD register */ |
| 2152 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 2153 | cmd->src = paddr(&data->sfcmd[2]); |
| 2154 | cmd->dst = NAND_SFLASHC_CMD; |
| 2155 | cmd->len = 4; |
| 2156 | cmd++; |
| 2157 | |
| 2158 | /* Kick the execute command */ |
| 2159 | cmd->cmd = 0; |
| 2160 | cmd->src = paddr(&data->sfexec); |
| 2161 | cmd->dst = NAND_SFLASHC_EXEC_CMD; |
| 2162 | cmd->len = 4; |
| 2163 | cmd++; |
| 2164 | |
| 2165 | /* Block on data ready, and read the status register */ |
| 2166 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 2167 | cmd->src = NAND_SFLASHC_STATUS; |
| 2168 | cmd->dst = paddr(&data->sfstat[2]); |
| 2169 | cmd->len = 4; |
| 2170 | cmd++; |
| 2171 | |
| 2172 | /* Read the GENP3 register */ |
| 2173 | cmd->cmd = 0; |
| 2174 | cmd->src = NAND_GENP_REG3; |
| 2175 | cmd->dst = paddr(&data->data3); |
| 2176 | cmd->len = 4; |
| 2177 | cmd++; |
| 2178 | |
| 2179 | /* Read the DEVCMD4 register */ |
| 2180 | cmd->cmd = 0; |
| 2181 | cmd->src = NAND_DEV_CMD4; |
| 2182 | cmd->dst = paddr(&data->data4); |
| 2183 | cmd->len = 4; |
| 2184 | cmd++; |
| 2185 | |
| 2186 | /***************************************************************/ |
| 2187 | /* Restore the necessary registers to proper values */ |
| 2188 | /***************************************************************/ |
| 2189 | |
| 2190 | /* Block on cmd ready and write CMD register */ |
| 2191 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 2192 | cmd->src = paddr(&data->sfcmd[3]); |
| 2193 | cmd->dst = NAND_SFLASHC_CMD; |
| 2194 | cmd->len = 4; |
| 2195 | cmd++; |
| 2196 | |
| 2197 | /* Kick the execute command */ |
| 2198 | cmd->cmd = 0; |
| 2199 | cmd->src = paddr(&data->sfexec); |
| 2200 | cmd->dst = NAND_SFLASHC_EXEC_CMD; |
| 2201 | cmd->len = 4; |
| 2202 | cmd++; |
| 2203 | |
| 2204 | /* Block on data ready, and read the status register */ |
| 2205 | cmd->cmd = SRC_CRCI_NAND_DATA | CMD_OCU | CMD_LC; |
| 2206 | cmd->src = NAND_SFLASHC_STATUS; |
| 2207 | cmd->dst = paddr(&data->sfstat[3]); |
| 2208 | cmd->len = 4; |
| 2209 | cmd++; |
| 2210 | |
| 2211 | ptr[0] = (paddr(cmdlist) >> 3) | CMD_PTR_LP; |
| 2212 | |
| 2213 | dmov_exec_cmdptr(DMOV_NAND_CHAN, ptr); |
| 2214 | |
| 2215 | ecc_status = (data->data3 >> 16) & 0x0000FFFF; |
| 2216 | interrupt_status = (data->data4 >> 0) & 0x0000FFFF; |
| 2217 | controller_status = (data->data4 >> 16) & 0x0000FFFF; |
| 2218 | |
| 2219 | #if VERBOSE |
| 2220 | dprintf(INFO, "\n%s: sflash status %x %x %x %x\n", __func__, |
| 2221 | data->sfstat[0], |
| 2222 | data->sfstat[1], |
| 2223 | data->sfstat[2], |
| 2224 | data->sfstat[3]); |
| 2225 | |
| 2226 | dprintf(INFO, "%s: controller_status = %x\n", __func__, |
| 2227 | controller_status); |
| 2228 | dprintf(INFO, "%s: interrupt_status = %x\n", __func__, |
| 2229 | interrupt_status); |
| 2230 | dprintf(INFO, "%s: ecc_status = %x\n", __func__, |
| 2231 | ecc_status); |
| 2232 | #endif |
| 2233 | /* Check for errors, protection violations etc */ |
| 2234 | if ((controller_status != 0) |
| 2235 | || (data->sfstat[0] & 0x110) |
| 2236 | || (data->sfstat[1] & 0x110) |
| 2237 | || (data->sfstat[2] & 0x110) |
| 2238 | || (data->sfstat[3] & 0x110)) { |
| 2239 | dprintf(CRITICAL, "%s: ECC/MPU/OP error\n", __func__); |
| 2240 | return -1; |
| 2241 | } |
| 2242 | |
| 2243 | |
| 2244 | #if VERBOSE |
| 2245 | dprintf(INFO, "status: %x\n", data[5]); |
| 2246 | #endif |
| 2247 | |
| 2248 | return 0; |
| 2249 | } |
| 2250 | |
| 2251 | |
| 2252 | struct data_onenand_read { |
| 2253 | unsigned sfbcfg; |
| 2254 | unsigned sfcmd[9]; |
| 2255 | unsigned sfexec; |
| 2256 | unsigned sfstat[9]; |
| 2257 | unsigned addr0; |
| 2258 | unsigned addr1; |
| 2259 | unsigned addr2; |
| 2260 | unsigned addr3; |
| 2261 | unsigned addr4; |
| 2262 | unsigned addr5; |
| 2263 | unsigned addr6; |
| 2264 | unsigned data0; |
| 2265 | unsigned data1; |
| 2266 | unsigned data2; |
| 2267 | unsigned data3; |
| 2268 | unsigned data4; |
| 2269 | unsigned data5; |
| 2270 | unsigned data6; |
| 2271 | unsigned macro[5]; |
| 2272 | }; |
| 2273 | |
| 2274 | |
| 2275 | static int _flash_onenand_read_page(dmov_s *cmdlist, unsigned *ptrlist, |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 2276 | unsigned page, void *_addr, void *_spareaddr, |
| 2277 | unsigned raw_mode) |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 2278 | { |
| 2279 | dmov_s *cmd = cmdlist; |
| 2280 | unsigned *ptr = ptrlist; |
| 2281 | struct data_onenand_read *data = (void*) (ptrlist + 4); |
| 2282 | unsigned addr = (unsigned) _addr; |
| 2283 | unsigned curr_addr = (unsigned) _addr; |
| 2284 | unsigned spareaddr = (unsigned) _spareaddr; |
| 2285 | unsigned i; |
Channagoud Kadabi | beb17d5 | 2011-03-25 17:14:00 +0530 | [diff] [blame] | 2286 | unsigned erasesize = (flash_pagesize * num_pages_per_blk); |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 2287 | unsigned writesize = flash_pagesize; |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 2288 | |
| 2289 | unsigned onenand_startaddr1 = DEVICE_FLASHCORE_0 | |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 2290 | ((unsigned)(page * flash_pagesize) / erasesize); |
| 2291 | unsigned onenand_startaddr8 = (((unsigned)(page * flash_pagesize) & |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 2292 | (erasesize - 1)) / writesize) << 2; |
| 2293 | unsigned onenand_startaddr2 = DEVICE_BUFFERRAM_0 << 15; |
| 2294 | unsigned onenand_startbuffer = DATARAM0_0 << 8; |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 2295 | unsigned onenand_sysconfig1 = (raw_mode == 1) ? ONENAND_SYSCFG1_ECCDIS :\ |
| 2296 | ONENAND_SYSCFG1_ECCENA; |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 2297 | |
| 2298 | unsigned controller_status; |
| 2299 | unsigned interrupt_status; |
| 2300 | unsigned ecc_status; |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 2301 | if (raw_mode != 1) |
| 2302 | { |
| 2303 | int isbad = 0; |
| 2304 | isbad = flash_onenand_block_isbad(cmdlist, ptrlist, page); |
| 2305 | if (isbad) |
| 2306 | return -2; |
| 2307 | } |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 2308 | |
| 2309 | //static int oobfree_offset[8] = {2, 14, 18, 30, 34, 46, 50, 62}; |
| 2310 | //static int oobfree_length[8] = {3, 2, 3, 2, 3, 2, 3, 2}; |
| 2311 | |
| 2312 | data->sfbcfg = SFLASH_BCFG; |
| 2313 | data->sfcmd[0] = SFLASH_PREPCMD(7, 0, 0, |
| 2314 | NAND_SFCMD_CMDXS, |
| 2315 | NAND_SFCMD_ASYNC, |
| 2316 | NAND_SFCMD_REGWR); |
| 2317 | data->sfcmd[1] = SFLASH_PREPCMD(0, 0, 32, |
| 2318 | NAND_SFCMD_CMDXS, |
| 2319 | NAND_SFCMD_ASYNC, |
| 2320 | NAND_SFCMD_INTHI); |
| 2321 | data->sfcmd[2] = SFLASH_PREPCMD(3, 7, 0, |
| 2322 | NAND_SFCMD_DATXS, |
| 2323 | NAND_SFCMD_ASYNC, |
| 2324 | NAND_SFCMD_REGRD); |
| 2325 | data->sfcmd[3] = SFLASH_PREPCMD(256, 0, 0, |
| 2326 | NAND_SFCMD_DATXS, |
| 2327 | NAND_SFCMD_ASYNC, |
| 2328 | NAND_SFCMD_DATRD); |
| 2329 | data->sfcmd[4] = SFLASH_PREPCMD(256, 0, 0, |
| 2330 | NAND_SFCMD_DATXS, |
| 2331 | NAND_SFCMD_ASYNC, |
| 2332 | NAND_SFCMD_DATRD); |
| 2333 | data->sfcmd[5] = SFLASH_PREPCMD(256, 0, 0, |
| 2334 | NAND_SFCMD_DATXS, |
| 2335 | NAND_SFCMD_ASYNC, |
| 2336 | NAND_SFCMD_DATRD); |
| 2337 | data->sfcmd[6] = SFLASH_PREPCMD(256, 0, 0, |
| 2338 | NAND_SFCMD_DATXS, |
| 2339 | NAND_SFCMD_ASYNC, |
| 2340 | NAND_SFCMD_DATRD); |
| 2341 | data->sfcmd[7] = SFLASH_PREPCMD(32, 0, 0, |
| 2342 | NAND_SFCMD_DATXS, |
| 2343 | NAND_SFCMD_ASYNC, |
| 2344 | NAND_SFCMD_DATRD); |
| 2345 | data->sfcmd[8] = SFLASH_PREPCMD(4, 10, 0, |
| 2346 | NAND_SFCMD_CMDXS, |
| 2347 | NAND_SFCMD_ASYNC, |
| 2348 | NAND_SFCMD_REGWR); |
| 2349 | data->sfexec = 1; |
| 2350 | data->sfstat[0] = CLEAN_DATA_32; |
| 2351 | data->sfstat[1] = CLEAN_DATA_32; |
| 2352 | data->sfstat[2] = CLEAN_DATA_32; |
| 2353 | data->sfstat[3] = CLEAN_DATA_32; |
| 2354 | data->sfstat[4] = CLEAN_DATA_32; |
| 2355 | data->sfstat[5] = CLEAN_DATA_32; |
| 2356 | data->sfstat[6] = CLEAN_DATA_32; |
| 2357 | data->sfstat[7] = CLEAN_DATA_32; |
| 2358 | data->sfstat[8] = CLEAN_DATA_32; |
| 2359 | |
| 2360 | data->addr0 = (ONENAND_INTERRUPT_STATUS << 16) | |
| 2361 | (ONENAND_SYSTEM_CONFIG_1); |
| 2362 | data->addr1 = (ONENAND_START_ADDRESS_8 << 16) | |
| 2363 | (ONENAND_START_ADDRESS_1); |
| 2364 | data->addr2 = (ONENAND_START_BUFFER << 16) | |
| 2365 | (ONENAND_START_ADDRESS_2); |
| 2366 | data->addr3 = (ONENAND_ECC_STATUS << 16) | |
| 2367 | (ONENAND_COMMAND); |
| 2368 | data->addr4 = (ONENAND_CONTROLLER_STATUS << 16) | |
| 2369 | (ONENAND_INTERRUPT_STATUS); |
| 2370 | data->addr5 = (ONENAND_INTERRUPT_STATUS << 16) | |
| 2371 | (ONENAND_SYSTEM_CONFIG_1); |
| 2372 | data->addr6 = (ONENAND_START_ADDRESS_3 << 16) | |
| 2373 | (ONENAND_START_ADDRESS_1); |
| 2374 | data->data0 = (ONENAND_CLRINTR << 16) | |
| 2375 | (onenand_sysconfig1); |
| 2376 | data->data1 = (onenand_startaddr8 << 16) | |
| 2377 | (onenand_startaddr1); |
| 2378 | data->data2 = (onenand_startbuffer << 16) | |
| 2379 | (onenand_startaddr2); |
| 2380 | data->data3 = (CLEAN_DATA_16 << 16) | |
| 2381 | (ONENAND_CMDLOADSPARE); |
| 2382 | data->data4 = (CLEAN_DATA_16 << 16) | |
| 2383 | (CLEAN_DATA_16); |
| 2384 | data->data5 = (ONENAND_CLRINTR << 16) | |
| 2385 | (ONENAND_SYSCFG1_ECCENA); |
| 2386 | data->data6 = (ONENAND_STARTADDR3_RES << 16) | |
| 2387 | (ONENAND_STARTADDR1_RES); |
| 2388 | data->macro[0] = 0x0200; |
| 2389 | data->macro[1] = 0x0300; |
| 2390 | data->macro[2] = 0x0400; |
| 2391 | data->macro[3] = 0x0500; |
| 2392 | data->macro[4] = 0x8010; |
| 2393 | |
| 2394 | /*************************************************************/ |
| 2395 | /* Write necessary address registers in the onenand device */ |
| 2396 | /*************************************************************/ |
| 2397 | |
| 2398 | /* Enable and configure the SFlash controller */ |
| 2399 | cmd->cmd = 0 | CMD_OCB; |
| 2400 | cmd->src = paddr(&data->sfbcfg); |
| 2401 | cmd->dst = NAND_SFLASHC_BURST_CFG; |
| 2402 | cmd->len = 4; |
| 2403 | cmd++; |
| 2404 | |
| 2405 | /* Block on cmd ready and write CMD register */ |
| 2406 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 2407 | cmd->src = paddr(&data->sfcmd[0]); |
| 2408 | cmd->dst = NAND_SFLASHC_CMD; |
| 2409 | cmd->len = 4; |
| 2410 | cmd++; |
| 2411 | |
| 2412 | /* Write the ADDR0 and ADDR1 registers */ |
| 2413 | cmd->cmd = 0; |
| 2414 | cmd->src = paddr(&data->addr0); |
| 2415 | cmd->dst = NAND_ADDR0; |
| 2416 | cmd->len = 8; |
| 2417 | cmd++; |
| 2418 | |
| 2419 | /* Write the ADDR2 ADDR3 ADDR4 ADDR5 registers */ |
| 2420 | cmd->cmd = 0; |
| 2421 | cmd->src = paddr(&data->addr2); |
| 2422 | cmd->dst = NAND_ADDR2; |
| 2423 | cmd->len = 16; |
| 2424 | cmd++; |
| 2425 | |
| 2426 | /* Write the ADDR6 registers */ |
| 2427 | cmd->cmd = 0; |
| 2428 | cmd->src = paddr(&data->addr6); |
| 2429 | cmd->dst = NAND_ADDR6; |
| 2430 | cmd->len = 4; |
| 2431 | cmd++; |
| 2432 | |
| 2433 | /* Write the GENP0, GENP1, GENP2, GENP3 registers */ |
| 2434 | cmd->cmd = 0; |
| 2435 | cmd->src = paddr(&data->data0); |
| 2436 | cmd->dst = NAND_GENP_REG0; |
| 2437 | cmd->len = 16; |
| 2438 | cmd++; |
| 2439 | |
| 2440 | /* Write the FLASH_DEV_CMD4,5,6 registers */ |
| 2441 | cmd->cmd = 0; |
| 2442 | cmd->src = paddr(&data->data4); |
| 2443 | cmd->dst = NAND_DEV_CMD4; |
| 2444 | cmd->len = 12; |
| 2445 | cmd++; |
| 2446 | |
| 2447 | /* Kick the execute command */ |
| 2448 | cmd->cmd = 0; |
| 2449 | cmd->src = paddr(&data->sfexec); |
| 2450 | cmd->dst = NAND_SFLASHC_EXEC_CMD; |
| 2451 | cmd->len = 4; |
| 2452 | cmd++; |
| 2453 | |
| 2454 | /* Block on data ready, and read the status register */ |
| 2455 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 2456 | cmd->src = NAND_SFLASHC_STATUS; |
| 2457 | cmd->dst = paddr(&data->sfstat[0]); |
| 2458 | cmd->len = 4; |
| 2459 | cmd++; |
| 2460 | |
| 2461 | /*************************************************************/ |
| 2462 | /* Wait for the interrupt from the Onenand device controller */ |
| 2463 | /*************************************************************/ |
| 2464 | |
| 2465 | /* Block on cmd ready and write CMD register */ |
| 2466 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 2467 | cmd->src = paddr(&data->sfcmd[1]); |
| 2468 | cmd->dst = NAND_SFLASHC_CMD; |
| 2469 | cmd->len = 4; |
| 2470 | cmd++; |
| 2471 | |
| 2472 | /* Kick the execute command */ |
| 2473 | cmd->cmd = 0; |
| 2474 | cmd->src = paddr(&data->sfexec); |
| 2475 | cmd->dst = NAND_SFLASHC_EXEC_CMD; |
| 2476 | cmd->len = 4; |
| 2477 | cmd++; |
| 2478 | |
| 2479 | /* Block on data ready, and read the status register */ |
| 2480 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 2481 | cmd->src = NAND_SFLASHC_STATUS; |
| 2482 | cmd->dst = paddr(&data->sfstat[1]); |
| 2483 | cmd->len = 4; |
| 2484 | cmd++; |
| 2485 | |
| 2486 | |
| 2487 | /*************************************************************/ |
| 2488 | /* Read necessary status registers from the onenand device */ |
| 2489 | /*************************************************************/ |
| 2490 | |
| 2491 | /* Block on cmd ready and write CMD register */ |
| 2492 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 2493 | cmd->src = paddr(&data->sfcmd[2]); |
| 2494 | cmd->dst = NAND_SFLASHC_CMD; |
| 2495 | cmd->len = 4; |
| 2496 | cmd++; |
| 2497 | |
| 2498 | /* Kick the execute command */ |
| 2499 | cmd->cmd = 0; |
| 2500 | cmd->src = paddr(&data->sfexec); |
| 2501 | cmd->dst = NAND_SFLASHC_EXEC_CMD; |
| 2502 | cmd->len = 4; |
| 2503 | cmd++; |
| 2504 | |
| 2505 | /* Block on data ready, and read the status register */ |
| 2506 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 2507 | cmd->src = NAND_SFLASHC_STATUS; |
| 2508 | cmd->dst = paddr(&data->sfstat[2]); |
| 2509 | cmd->len = 4; |
| 2510 | cmd++; |
| 2511 | |
| 2512 | /* Read the GENP3 register */ |
| 2513 | cmd->cmd = 0; |
| 2514 | cmd->src = NAND_GENP_REG3; |
| 2515 | cmd->dst = paddr(&data->data3); |
| 2516 | cmd->len = 4; |
| 2517 | cmd++; |
| 2518 | |
| 2519 | /* Read the DEVCMD4 register */ |
| 2520 | cmd->cmd = 0; |
| 2521 | cmd->src = NAND_DEV_CMD4; |
| 2522 | cmd->dst = paddr(&data->data4); |
| 2523 | cmd->len = 4; |
| 2524 | cmd++; |
| 2525 | |
| 2526 | |
| 2527 | /*************************************************************/ |
| 2528 | /* Read the data ram area from the onenand buffer ram */ |
| 2529 | /*************************************************************/ |
| 2530 | |
| 2531 | if (addr) { |
| 2532 | |
| 2533 | data->data3 = (CLEAN_DATA_16 << 16) | |
| 2534 | (ONENAND_CMDLOAD); |
| 2535 | |
| 2536 | for (i = 0; i < 4; i++) { |
| 2537 | |
| 2538 | /* Block on cmd ready and write CMD register */ |
| 2539 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 2540 | cmd->src = paddr(&data->sfcmd[3+i]); |
| 2541 | cmd->dst = NAND_SFLASHC_CMD; |
| 2542 | cmd->len = 4; |
| 2543 | cmd++; |
| 2544 | |
| 2545 | /* Write the MACRO1 register */ |
| 2546 | cmd->cmd = 0; |
| 2547 | cmd->src = paddr(&data->macro[i]); |
| 2548 | cmd->dst = NAND_MACRO1_REG; |
| 2549 | cmd->len = 4; |
| 2550 | cmd++; |
| 2551 | |
| 2552 | /* Kick the execute command */ |
| 2553 | cmd->cmd = 0; |
| 2554 | cmd->src = paddr(&data->sfexec); |
| 2555 | cmd->dst = NAND_SFLASHC_EXEC_CMD; |
| 2556 | cmd->len = 4; |
| 2557 | cmd++; |
| 2558 | |
| 2559 | /* Block on data rdy, & read status register */ |
| 2560 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 2561 | cmd->src = NAND_SFLASHC_STATUS; |
| 2562 | cmd->dst = paddr(&data->sfstat[3+i]); |
| 2563 | cmd->len = 4; |
| 2564 | cmd++; |
| 2565 | |
| 2566 | /* Transfer nand ctlr buf contents to usr buf */ |
| 2567 | cmd->cmd = 0; |
| 2568 | cmd->src = NAND_FLASH_BUFFER; |
| 2569 | cmd->dst = curr_addr; |
| 2570 | cmd->len = 512; |
| 2571 | curr_addr += 512; |
| 2572 | cmd++; |
| 2573 | } |
| 2574 | } |
| 2575 | |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 2576 | /* Read oob bytes in Raw Mode */ |
| 2577 | if (raw_mode == 1) |
| 2578 | { |
| 2579 | /* Block on cmd ready and write CMD register */ |
| 2580 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 2581 | cmd->src = paddr(&data->sfcmd[7]); |
| 2582 | cmd->dst = NAND_SFLASHC_CMD; |
| 2583 | cmd->len = 4; |
| 2584 | cmd++; |
| 2585 | |
| 2586 | /* Write the MACRO1 register */ |
| 2587 | cmd->cmd = 0; |
| 2588 | cmd->src = paddr(&data->macro[4]); |
| 2589 | cmd->dst = NAND_MACRO1_REG; |
| 2590 | cmd->len = 4; |
| 2591 | cmd++; |
| 2592 | |
| 2593 | /* Kick the execute command */ |
| 2594 | cmd->cmd = 0; |
| 2595 | cmd->src = paddr(&data->sfexec); |
| 2596 | cmd->dst = NAND_SFLASHC_EXEC_CMD; |
| 2597 | cmd->len = 4; |
| 2598 | cmd++; |
| 2599 | |
| 2600 | /* Block on data rdy, & read status register */ |
| 2601 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 2602 | cmd->src = NAND_SFLASHC_STATUS; |
| 2603 | cmd->dst = paddr(&data->sfstat[7]); |
| 2604 | cmd->len = 4; |
| 2605 | cmd++; |
| 2606 | |
| 2607 | /* Transfer nand ctlr buf contents to usr buf */ |
| 2608 | cmd->cmd = 0; |
| 2609 | cmd->src = NAND_FLASH_BUFFER; |
| 2610 | cmd->dst = curr_addr; |
| 2611 | cmd->len = 64; |
| 2612 | curr_addr += 64; |
| 2613 | cmd++; |
| 2614 | } |
| 2615 | |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 2616 | /*************************************************************/ |
| 2617 | /* Restore the necessary registers to proper values */ |
| 2618 | /*************************************************************/ |
| 2619 | |
| 2620 | /* Block on cmd ready and write CMD register */ |
| 2621 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 2622 | cmd->src = paddr(&data->sfcmd[8]); |
| 2623 | cmd->dst = NAND_SFLASHC_CMD; |
| 2624 | cmd->len = 4; |
| 2625 | cmd++; |
| 2626 | |
| 2627 | /* Kick the execute command */ |
| 2628 | cmd->cmd = 0; |
| 2629 | cmd->src = paddr(&data->sfexec); |
| 2630 | cmd->dst = NAND_SFLASHC_EXEC_CMD; |
| 2631 | cmd->len = 4; |
| 2632 | cmd++; |
| 2633 | |
| 2634 | /* Block on data ready, and read the status register */ |
| 2635 | cmd->cmd = SRC_CRCI_NAND_DATA | CMD_OCU | CMD_LC; |
| 2636 | cmd->src = NAND_SFLASHC_STATUS; |
| 2637 | cmd->dst = paddr(&data->sfstat[8]); |
| 2638 | cmd->len = 4; |
| 2639 | cmd++; |
| 2640 | |
| 2641 | |
| 2642 | ptr[0] = (paddr(cmdlist) >> 3) | CMD_PTR_LP; |
| 2643 | |
| 2644 | dmov_exec_cmdptr(DMOV_NAND_CHAN, ptr); |
| 2645 | |
| 2646 | |
| 2647 | ecc_status = (data->data3 >> 16) & |
| 2648 | 0x0000FFFF; |
| 2649 | interrupt_status = (data->data4 >> 0) & |
| 2650 | 0x0000FFFF; |
| 2651 | controller_status = (data->data4 >> 16) & |
| 2652 | 0x0000FFFF; |
| 2653 | |
| 2654 | #if VERBOSE |
| 2655 | dprintf(INFO, "\n%s: sflash status %x %x %x %x %x %x %x" |
| 2656 | "%x %x\n", __func__, |
| 2657 | data->sfstat[0], |
| 2658 | data->sfstat[1], |
| 2659 | data->sfstat[2], |
| 2660 | data->sfstat[3], |
| 2661 | data->sfstat[4], |
| 2662 | data->sfstat[5], |
| 2663 | data->sfstat[6], |
| 2664 | data->sfstat[7]); |
| 2665 | |
| 2666 | dprintf(INFO, "%s: controller_status = %x\n", __func__, |
| 2667 | controller_status); |
| 2668 | dprintf(INFO, "%s: interrupt_status = %x\n", __func__, |
| 2669 | interrupt_status); |
| 2670 | dprintf(INFO, "%s: ecc_status = %x\n", __func__, |
| 2671 | ecc_status); |
| 2672 | #endif |
| 2673 | /* Check for errors, protection violations etc */ |
| 2674 | if ((controller_status != 0) |
| 2675 | || (data->sfstat[0] & 0x110) |
| 2676 | || (data->sfstat[1] & 0x110) |
| 2677 | || (data->sfstat[2] & 0x110) |
| 2678 | || ((data->sfstat[3] & 0x110) && |
| 2679 | (addr)) |
| 2680 | || ((data->sfstat[4] & 0x110) && |
| 2681 | (addr)) |
| 2682 | || ((data->sfstat[5] & 0x110) && |
| 2683 | (addr)) |
| 2684 | || ((data->sfstat[6] & 0x110) && |
| 2685 | (addr))) { |
| 2686 | dprintf(INFO, "%s: ECC/MPU/OP error\n", __func__); |
| 2687 | return -1; |
| 2688 | } |
| 2689 | |
| 2690 | #if VERBOSE |
| 2691 | dprintf(INFO, "read page %d: status: %x %x %x %x\n", |
| 2692 | page, data[5], data[6], data[7], data[8]); |
| 2693 | for(n = 0; n < 4; n++) { |
| 2694 | ptr = (unsigned*)(addr + 512 * n); |
| 2695 | dprintf(INFO, "data%d: %x %x %x %x\n", n, ptr[0], ptr[1], ptr[2], ptr[3]); |
| 2696 | ptr = (unsigned*)(spareaddr + 16 * n); |
| 2697 | dprintf(INFO, "spare data%d %x %x %x %x\n", n, ptr[0], ptr[1], ptr[2], ptr[3]); |
| 2698 | } |
| 2699 | #endif |
| 2700 | |
| 2701 | return 0; |
| 2702 | } |
| 2703 | |
| 2704 | |
| 2705 | struct data_onenand_write { |
| 2706 | unsigned sfbcfg; |
| 2707 | unsigned sfcmd[9]; |
| 2708 | unsigned sfexec; |
| 2709 | unsigned sfstat[9]; |
| 2710 | unsigned addr0; |
| 2711 | unsigned addr1; |
| 2712 | unsigned addr2; |
| 2713 | unsigned addr3; |
| 2714 | unsigned addr4; |
| 2715 | unsigned addr5; |
| 2716 | unsigned addr6; |
| 2717 | unsigned data0; |
| 2718 | unsigned data1; |
| 2719 | unsigned data2; |
| 2720 | unsigned data3; |
| 2721 | unsigned data4; |
| 2722 | unsigned data5; |
| 2723 | unsigned data6; |
| 2724 | unsigned macro[5]; |
| 2725 | }; |
| 2726 | |
| 2727 | static int _flash_onenand_write_page(dmov_s *cmdlist, unsigned *ptrlist, |
| 2728 | unsigned page, const void *_addr, |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame] | 2729 | const void *_spareaddr, unsigned raw_mode) |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 2730 | { |
| 2731 | dmov_s *cmd = cmdlist; |
| 2732 | unsigned *ptr = ptrlist; |
| 2733 | struct data_onenand_write *data = (void*) (ptrlist + 4); |
| 2734 | unsigned addr = (unsigned) _addr; |
| 2735 | unsigned addr_curr = (unsigned) _addr; |
| 2736 | char * spareaddr = (char *) _spareaddr; |
| 2737 | unsigned i, j, k; |
| 2738 | |
Channagoud Kadabi | beb17d5 | 2011-03-25 17:14:00 +0530 | [diff] [blame] | 2739 | unsigned erasesize = (flash_pagesize * num_pages_per_blk); |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 2740 | unsigned writesize = flash_pagesize; |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 2741 | |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 2742 | unsigned onenand_startaddr1 = (page * flash_pagesize) / erasesize; |
| 2743 | unsigned onenand_startaddr8 = (((unsigned)(page * flash_pagesize) & |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 2744 | (erasesize-1)) / writesize) << 2; |
| 2745 | unsigned onenand_startaddr2 = DEVICE_BUFFERRAM_0 << 15; |
| 2746 | unsigned onenand_startbuffer = DATARAM0_0 << 8; |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame] | 2747 | unsigned onenand_sysconfig1 = (raw_mode == 1) ? ONENAND_SYSCFG1_ECCDIS :\ |
| 2748 | ONENAND_SYSCFG1_ECCENA; |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 2749 | |
| 2750 | unsigned controller_status; |
| 2751 | unsigned interrupt_status; |
| 2752 | unsigned ecc_status; |
| 2753 | |
| 2754 | char flash_oob[64]; |
| 2755 | |
| 2756 | unsigned oobfree_offset[8] = {2, 14, 18, 30, 34, 46, 50, 62}; |
| 2757 | unsigned oobfree_length[8] = {3, 2, 3, 2, 3, 2, 3, 2}; |
| 2758 | |
| 2759 | for (i = 0; i < 64; i++) |
| 2760 | flash_oob[i] = 0xFF; |
| 2761 | |
| 2762 | data->sfbcfg = SFLASH_BCFG; |
| 2763 | data->sfcmd[0] = SFLASH_PREPCMD(256, 0, 0, |
| 2764 | NAND_SFCMD_CMDXS, |
| 2765 | NAND_SFCMD_ASYNC, |
| 2766 | NAND_SFCMD_DATWR); |
| 2767 | data->sfcmd[1] = SFLASH_PREPCMD(256, 0, 0, |
| 2768 | NAND_SFCMD_CMDXS, |
| 2769 | NAND_SFCMD_ASYNC, |
| 2770 | NAND_SFCMD_DATWR); |
| 2771 | data->sfcmd[2] = SFLASH_PREPCMD(256, 0, 0, |
| 2772 | NAND_SFCMD_CMDXS, |
| 2773 | NAND_SFCMD_ASYNC, |
| 2774 | NAND_SFCMD_DATWR); |
| 2775 | data->sfcmd[3] = SFLASH_PREPCMD(256, 0, 0, |
| 2776 | NAND_SFCMD_CMDXS, |
| 2777 | NAND_SFCMD_ASYNC, |
| 2778 | NAND_SFCMD_DATWR); |
| 2779 | data->sfcmd[4] = SFLASH_PREPCMD(32, 0, 0, |
| 2780 | NAND_SFCMD_CMDXS, |
| 2781 | NAND_SFCMD_ASYNC, |
| 2782 | NAND_SFCMD_DATWR); |
| 2783 | data->sfcmd[5] = SFLASH_PREPCMD(7, 0, 0, |
| 2784 | NAND_SFCMD_CMDXS, |
| 2785 | NAND_SFCMD_ASYNC, |
| 2786 | NAND_SFCMD_REGWR); |
| 2787 | data->sfcmd[6] = SFLASH_PREPCMD(0, 0, 32, |
| 2788 | NAND_SFCMD_CMDXS, |
| 2789 | NAND_SFCMD_ASYNC, |
| 2790 | NAND_SFCMD_INTHI); |
| 2791 | data->sfcmd[7] = SFLASH_PREPCMD(3, 7, 0, |
| 2792 | NAND_SFCMD_DATXS, |
| 2793 | NAND_SFCMD_ASYNC, |
| 2794 | NAND_SFCMD_REGRD); |
| 2795 | data->sfcmd[8] = SFLASH_PREPCMD(4, 10, 0, |
| 2796 | NAND_SFCMD_CMDXS, |
| 2797 | NAND_SFCMD_ASYNC, |
| 2798 | NAND_SFCMD_REGWR); |
| 2799 | data->sfexec = 1; |
| 2800 | |
| 2801 | data->sfstat[0] = CLEAN_DATA_32; |
| 2802 | data->sfstat[1] = CLEAN_DATA_32; |
| 2803 | data->sfstat[2] = CLEAN_DATA_32; |
| 2804 | data->sfstat[3] = CLEAN_DATA_32; |
| 2805 | data->sfstat[4] = CLEAN_DATA_32; |
| 2806 | data->sfstat[5] = CLEAN_DATA_32; |
| 2807 | data->sfstat[6] = CLEAN_DATA_32; |
| 2808 | data->sfstat[7] = CLEAN_DATA_32; |
| 2809 | data->sfstat[8] = CLEAN_DATA_32; |
| 2810 | data->addr0 = (ONENAND_INTERRUPT_STATUS << 16) | |
| 2811 | (ONENAND_SYSTEM_CONFIG_1); |
| 2812 | data->addr1 = (ONENAND_START_ADDRESS_8 << 16) | |
| 2813 | (ONENAND_START_ADDRESS_1); |
| 2814 | data->addr2 = (ONENAND_START_BUFFER << 16) | |
| 2815 | (ONENAND_START_ADDRESS_2); |
| 2816 | data->addr3 = (ONENAND_ECC_STATUS << 16) | |
| 2817 | (ONENAND_COMMAND); |
| 2818 | data->addr4 = (ONENAND_CONTROLLER_STATUS << 16) | |
| 2819 | (ONENAND_INTERRUPT_STATUS); |
| 2820 | data->addr5 = (ONENAND_INTERRUPT_STATUS << 16) | |
| 2821 | (ONENAND_SYSTEM_CONFIG_1); |
| 2822 | data->addr6 = (ONENAND_START_ADDRESS_3 << 16) | |
| 2823 | (ONENAND_START_ADDRESS_1); |
| 2824 | data->data0 = (ONENAND_CLRINTR << 16) | |
| 2825 | (onenand_sysconfig1); |
| 2826 | data->data1 = (onenand_startaddr8 << 16) | |
| 2827 | (onenand_startaddr1); |
| 2828 | data->data2 = (onenand_startbuffer << 16) | |
| 2829 | (onenand_startaddr2); |
| 2830 | data->data3 = (CLEAN_DATA_16 << 16) | |
| 2831 | (ONENAND_CMDPROGSPARE); |
| 2832 | data->data3 = (CLEAN_DATA_16 << 16) | |
| 2833 | (ONENAND_CMDPROGSPARE); |
| 2834 | data->data4 = (CLEAN_DATA_16 << 16) | |
| 2835 | (CLEAN_DATA_16); |
| 2836 | data->data5 = (ONENAND_CLRINTR << 16) | |
| 2837 | (ONENAND_SYSCFG1_ECCENA); |
| 2838 | data->data6 = (ONENAND_STARTADDR3_RES << 16) | |
| 2839 | (ONENAND_STARTADDR1_RES); |
| 2840 | data->macro[0] = 0x0200; |
| 2841 | data->macro[1] = 0x0300; |
| 2842 | data->macro[2] = 0x0400; |
| 2843 | data->macro[3] = 0x0500; |
| 2844 | data->macro[4] = 0x8010; |
| 2845 | |
| 2846 | |
| 2847 | /*************************************************************/ |
| 2848 | /* Write the data ram area in the onenand buffer ram */ |
| 2849 | /*************************************************************/ |
| 2850 | |
| 2851 | /* Enable and configure the SFlash controller */ |
| 2852 | cmd->cmd = 0 | CMD_OCB; |
| 2853 | cmd->src = paddr(&data->sfbcfg); |
| 2854 | cmd->dst = NAND_SFLASHC_BURST_CFG; |
| 2855 | cmd->len = 4; |
| 2856 | cmd++; |
| 2857 | |
| 2858 | if (addr) { |
| 2859 | data->data3 = (CLEAN_DATA_16 << 16) | |
| 2860 | (ONENAND_CMDPROG); |
| 2861 | |
| 2862 | for (i = 0; i < 4; i++) { |
| 2863 | |
| 2864 | /* Block on cmd ready and write CMD register */ |
| 2865 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 2866 | cmd->src = paddr(&data->sfcmd[i]); |
| 2867 | cmd->dst = NAND_SFLASHC_CMD; |
| 2868 | cmd->len = 4; |
| 2869 | cmd++; |
| 2870 | |
| 2871 | /* Trnsfr usr buf contents to nand ctlr buf */ |
| 2872 | cmd->cmd = 0; |
| 2873 | cmd->src = paddr(addr_curr); |
| 2874 | cmd->dst = NAND_FLASH_BUFFER; |
| 2875 | cmd->len = 512; |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame] | 2876 | if(!raw_mode) |
| 2877 | addr_curr += 512; |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 2878 | cmd++; |
| 2879 | |
| 2880 | /* Write the MACRO1 register */ |
| 2881 | cmd->cmd = 0; |
| 2882 | cmd->src = paddr(&data->macro[i]); |
| 2883 | cmd->dst = NAND_MACRO1_REG; |
| 2884 | cmd->len = 4; |
| 2885 | cmd++; |
| 2886 | |
| 2887 | /* Kick the execute command */ |
| 2888 | cmd->cmd = 0; |
| 2889 | cmd->src = paddr(&data->sfexec); |
| 2890 | cmd->dst = NAND_SFLASHC_EXEC_CMD; |
| 2891 | cmd->len = 4; |
| 2892 | cmd++; |
| 2893 | |
| 2894 | /* Block on data rdy, & read status register */ |
| 2895 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 2896 | cmd->src = NAND_SFLASHC_STATUS; |
| 2897 | cmd->dst = paddr(&data->sfstat[i]); |
| 2898 | cmd->len = 4; |
| 2899 | cmd++; |
| 2900 | |
| 2901 | } |
| 2902 | } |
| 2903 | |
| 2904 | /* Block on cmd ready and write CMD register */ |
| 2905 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 2906 | cmd->src = paddr(&data->sfcmd[4]); |
| 2907 | cmd->dst = NAND_SFLASHC_CMD; |
| 2908 | cmd->len = 4; |
| 2909 | cmd++; |
| 2910 | |
| 2911 | if (spareaddr) |
| 2912 | { |
| 2913 | // Auto mode |
| 2914 | for (i = 0, k = 0; i < 8; i++) { |
| 2915 | for (j = 0; j < oobfree_length[i]; j++) { |
| 2916 | flash_oob[j+oobfree_offset[i]] = spareaddr[k]; |
| 2917 | k++; |
| 2918 | } |
| 2919 | } |
| 2920 | |
| 2921 | cmd->cmd = 0; |
| 2922 | cmd->src = paddr(&flash_oob); |
| 2923 | cmd->dst = NAND_FLASH_BUFFER; |
| 2924 | cmd->len = 64; |
| 2925 | cmd++; |
| 2926 | } |
| 2927 | |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame] | 2928 | if (raw_mode){ |
| 2929 | cmd->cmd = 0; |
| 2930 | cmd->src = paddr(addr_curr); |
| 2931 | cmd->dst = NAND_FLASH_BUFFER; |
| 2932 | cmd->len = 64; |
| 2933 | cmd++; |
| 2934 | } |
| 2935 | |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 2936 | /* Write the MACRO1 register */ |
| 2937 | cmd->cmd = 0; |
| 2938 | cmd->src = paddr(&data->macro[4]); |
| 2939 | cmd->dst = NAND_MACRO1_REG; |
| 2940 | cmd->len = 4; |
| 2941 | cmd++; |
| 2942 | |
| 2943 | /* Kick the execute command */ |
| 2944 | cmd->cmd = 0; |
| 2945 | cmd->src = paddr(&data->sfexec); |
| 2946 | cmd->dst = NAND_SFLASHC_EXEC_CMD; |
| 2947 | cmd->len = 4; |
| 2948 | cmd++; |
| 2949 | |
| 2950 | /* Block on data ready, and read the status register */ |
| 2951 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 2952 | cmd->src = NAND_SFLASHC_STATUS; |
| 2953 | cmd->dst = paddr(&data->sfstat[4]); |
| 2954 | cmd->len = 4; |
| 2955 | cmd++; |
| 2956 | |
| 2957 | /*************************************************************/ |
| 2958 | /* Write necessary address registers in the onenand device */ |
| 2959 | /*************************************************************/ |
| 2960 | |
| 2961 | /* Block on cmd ready and write CMD register */ |
| 2962 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 2963 | cmd->src = paddr(&data->sfcmd[5]); |
| 2964 | cmd->dst = NAND_SFLASHC_CMD; |
| 2965 | cmd->len = 4; |
| 2966 | cmd++; |
| 2967 | |
| 2968 | /* Write the ADDR0 and ADDR1 registers */ |
| 2969 | cmd->cmd = 0; |
| 2970 | cmd->src = paddr(&data->addr0); |
| 2971 | cmd->dst = NAND_ADDR0; |
| 2972 | cmd->len = 8; |
| 2973 | cmd++; |
| 2974 | |
| 2975 | /* Write the ADDR2 ADDR3 ADDR4 ADDR5 registers */ |
| 2976 | cmd->cmd = 0; |
| 2977 | cmd->src = paddr(&data->addr2); |
| 2978 | cmd->dst = NAND_ADDR2; |
| 2979 | cmd->len = 16; |
| 2980 | cmd++; |
| 2981 | |
| 2982 | /* Write the ADDR6 registers */ |
| 2983 | cmd->cmd = 0; |
| 2984 | cmd->src = paddr(&data->addr6); |
| 2985 | cmd->dst = NAND_ADDR6; |
| 2986 | cmd->len = 4; |
| 2987 | cmd++; |
| 2988 | |
| 2989 | /* Write the GENP0, GENP1, GENP2, GENP3 registers */ |
| 2990 | cmd->cmd = 0; |
| 2991 | cmd->src = paddr(&data->data0); |
| 2992 | cmd->dst = NAND_GENP_REG0; |
| 2993 | cmd->len = 16; |
| 2994 | cmd++; |
| 2995 | |
| 2996 | /* Write the FLASH_DEV_CMD4,5,6 registers */ |
| 2997 | cmd->cmd = 0; |
| 2998 | cmd->src = paddr(&data->data4); |
| 2999 | cmd->dst = NAND_DEV_CMD4; |
| 3000 | cmd->len = 12; |
| 3001 | cmd++; |
| 3002 | |
| 3003 | /* Kick the execute command */ |
| 3004 | cmd->cmd = 0; |
| 3005 | cmd->src = paddr(&data->sfexec); |
| 3006 | cmd->dst = NAND_SFLASHC_EXEC_CMD; |
| 3007 | cmd->len = 4; |
| 3008 | cmd++; |
| 3009 | |
| 3010 | /* Block on data ready, and read the status register */ |
| 3011 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 3012 | cmd->src = NAND_SFLASHC_STATUS; |
| 3013 | cmd->dst = paddr(&data->sfstat[5]); |
| 3014 | cmd->len = 4; |
| 3015 | cmd++; |
| 3016 | |
| 3017 | /*************************************************************/ |
| 3018 | /* Wait for the interrupt from the Onenand device controller */ |
| 3019 | /*************************************************************/ |
| 3020 | |
| 3021 | /* Block on cmd ready and write CMD register */ |
| 3022 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 3023 | cmd->src = paddr(&data->sfcmd[6]); |
| 3024 | cmd->dst = NAND_SFLASHC_CMD; |
| 3025 | cmd->len = 4; |
| 3026 | cmd++; |
| 3027 | |
| 3028 | /* Kick the execute command */ |
| 3029 | cmd->cmd = 0; |
| 3030 | cmd->src = paddr(&data->sfexec); |
| 3031 | cmd->dst = NAND_SFLASHC_EXEC_CMD; |
| 3032 | cmd->len = 4; |
| 3033 | cmd++; |
| 3034 | |
| 3035 | /* Block on data ready, and read the status register */ |
| 3036 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 3037 | cmd->src = NAND_SFLASHC_STATUS; |
| 3038 | cmd->dst = paddr(&data->sfstat[6]); |
| 3039 | cmd->len = 4; |
| 3040 | cmd++; |
| 3041 | |
| 3042 | /*************************************************************/ |
| 3043 | /* Read necessary status registers from the onenand device */ |
| 3044 | /*************************************************************/ |
| 3045 | |
| 3046 | /* Block on cmd ready and write CMD register */ |
| 3047 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 3048 | cmd->src = paddr(&data->sfcmd[7]); |
| 3049 | cmd->dst = NAND_SFLASHC_CMD; |
| 3050 | cmd->len = 4; |
| 3051 | cmd++; |
| 3052 | |
| 3053 | /* Kick the execute command */ |
| 3054 | cmd->cmd = 0; |
| 3055 | cmd->src = paddr(&data->sfexec); |
| 3056 | cmd->dst = NAND_SFLASHC_EXEC_CMD; |
| 3057 | cmd->len = 4; |
| 3058 | cmd++; |
| 3059 | |
| 3060 | /* Block on data ready, and read the status register */ |
| 3061 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 3062 | cmd->src = NAND_SFLASHC_STATUS; |
| 3063 | cmd->dst = paddr(&data->sfstat[7]); |
| 3064 | cmd->len = 4; |
| 3065 | cmd++; |
| 3066 | |
| 3067 | /* Read the GENP3 register */ |
| 3068 | cmd->cmd = 0; |
| 3069 | cmd->src = NAND_GENP_REG3; |
| 3070 | cmd->dst = paddr(&data->data3); |
| 3071 | cmd->len = 4; |
| 3072 | cmd++; |
| 3073 | |
| 3074 | /* Read the DEVCMD4 register */ |
| 3075 | cmd->cmd = 0; |
| 3076 | cmd->src = NAND_DEV_CMD4; |
| 3077 | cmd->dst = paddr(&data->data4); |
| 3078 | cmd->len = 4; |
| 3079 | cmd++; |
| 3080 | |
| 3081 | |
| 3082 | /*************************************************************/ |
| 3083 | /* Restore the necessary registers to proper values */ |
| 3084 | /*************************************************************/ |
| 3085 | |
| 3086 | /* Block on cmd ready and write CMD register */ |
| 3087 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 3088 | cmd->src = paddr(&data->sfcmd[8]); |
| 3089 | cmd->dst = NAND_SFLASHC_CMD; |
| 3090 | cmd->len = 4; |
| 3091 | cmd++; |
| 3092 | |
| 3093 | /* Kick the execute command */ |
| 3094 | cmd->cmd = 0; |
| 3095 | cmd->src = paddr(&data->sfexec); |
| 3096 | cmd->dst = NAND_SFLASHC_EXEC_CMD; |
| 3097 | cmd->len = 4; |
| 3098 | cmd++; |
| 3099 | |
| 3100 | /* Block on data ready, and read the status register */ |
| 3101 | cmd->cmd = SRC_CRCI_NAND_DATA | CMD_OCU | CMD_LC; |
| 3102 | cmd->src = NAND_SFLASHC_STATUS; |
| 3103 | cmd->dst = paddr(&data->sfstat[8]); |
| 3104 | cmd->len = 4; |
| 3105 | cmd++; |
| 3106 | |
| 3107 | |
| 3108 | ptr[0] = (paddr(cmdlist) >> 3) | CMD_PTR_LP; |
| 3109 | |
| 3110 | dmov_exec_cmdptr(DMOV_NAND_CHAN, ptr); |
| 3111 | |
| 3112 | ecc_status = (data->data3 >> 16) & 0x0000FFFF; |
| 3113 | interrupt_status = (data->data4 >> 0)&0x0000FFFF; |
| 3114 | controller_status = (data->data4 >> 16)&0x0000FFFF; |
| 3115 | |
| 3116 | #if VERBOSE |
| 3117 | dprintf(INFO, "\n%s: sflash status %x %x %x %x %x %x %x %x %x\n", __func__, |
| 3118 | data->sfstat[0], |
| 3119 | data->sfstat[1], |
| 3120 | data->sfstat[2], |
| 3121 | data->sfstat[3], |
| 3122 | data->sfstat[4], |
| 3123 | data->sfstat[5], |
| 3124 | data->sfstat[6], |
| 3125 | data->sfstat[7], |
| 3126 | data->sfstat[8]); |
| 3127 | |
| 3128 | dprintf(INFO, "%s: controller_status = %x\n", __func__, |
| 3129 | controller_status); |
| 3130 | dprintf(INFO, "%s: interrupt_status = %x\n", __func__, |
| 3131 | interrupt_status); |
| 3132 | dprintf(INFO, "%s: ecc_status = %x\n", __func__, |
| 3133 | ecc_status); |
| 3134 | #endif |
| 3135 | /* Check for errors, protection violations etc */ |
| 3136 | if ((controller_status != 0) |
| 3137 | || (data->sfstat[5] & 0x110) |
| 3138 | || (data->sfstat[6] & 0x110) |
| 3139 | || (data->sfstat[7] & 0x110) |
| 3140 | || (data->sfstat[8] & 0x110) |
| 3141 | || ((data->sfstat[0] & 0x110) && |
| 3142 | (addr)) |
| 3143 | || ((data->sfstat[1] & 0x110) && |
| 3144 | (addr)) |
| 3145 | || ((data->sfstat[2] & 0x110) && |
| 3146 | (addr)) |
| 3147 | || ((data->sfstat[3] & 0x110) && |
| 3148 | (addr))) { |
| 3149 | dprintf(CRITICAL, "%s: ECC/MPU/OP error\n", __func__); |
| 3150 | return -1; |
| 3151 | } |
| 3152 | |
| 3153 | |
| 3154 | return 0; |
| 3155 | } |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame] | 3156 | |
| 3157 | static int flash_onenand_mark_badblock(dmov_s *cmdlist, unsigned *ptrlist, unsigned page) |
| 3158 | { |
| 3159 | memset(empty_buf,0,528); |
| 3160 | /* Going to first page of the block */ |
Channagoud Kadabi | beb17d5 | 2011-03-25 17:14:00 +0530 | [diff] [blame] | 3161 | if(page & num_pages_per_blk_mask) |
| 3162 | page = page - (page & num_pages_per_blk_mask); |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame] | 3163 | return _flash_onenand_write_page(cmdlist, ptrlist, page, empty_buf, 0, 1); |
| 3164 | } |
| 3165 | |
| 3166 | static int flash_mark_badblock(dmov_s *cmdlist, unsigned *ptrlist, unsigned page) |
| 3167 | { |
| 3168 | switch(flash_info.type) { |
| 3169 | case FLASH_8BIT_NAND_DEVICE: |
| 3170 | case FLASH_16BIT_NAND_DEVICE: |
| 3171 | return flash_nand_mark_badblock(cmdlist, ptrlist, page); |
| 3172 | case FLASH_ONENAND_DEVICE: |
| 3173 | return flash_onenand_mark_badblock(cmdlist, ptrlist, page); |
| 3174 | default: |
| 3175 | return -1; |
| 3176 | } |
| 3177 | } |
| 3178 | |
| 3179 | |
Channagoud Kadabi | 404a706 | 2011-03-21 19:27:50 +0530 | [diff] [blame^] | 3180 | unsigned flash_ctrl_hwinfo(dmov_s *cmdlist, unsigned *ptrlist) |
| 3181 | { |
| 3182 | dmov_s *cmd = cmdlist; |
| 3183 | unsigned *ptr = ptrlist; |
| 3184 | unsigned *data = ptrlist + 4; |
| 3185 | |
| 3186 | unsigned rv; |
| 3187 | |
| 3188 | data[0] = 0xeeeeeeee; |
| 3189 | data[1] = 1; |
| 3190 | |
| 3191 | cmd[0].cmd = CMD_OCB; |
| 3192 | cmd[0].src = NAND_HW_INFO; |
| 3193 | cmd[0].dst = paddr(&data[0]); |
| 3194 | cmd[0].len = 4; |
| 3195 | |
| 3196 | cmd[1].cmd = CMD_OCU | CMD_LC; |
| 3197 | cmd[1].src = paddr(&data[1]); |
| 3198 | cmd[1].dst = NAND_EXEC_CMD; |
| 3199 | cmd[1].len = 4; |
| 3200 | |
| 3201 | ptr[0] = (paddr(cmd) >> 3) | CMD_PTR_LP; |
| 3202 | dmov_exec_cmdptr(DMOV_NAND_CHAN, ptr); |
| 3203 | rv = data[0]; |
| 3204 | |
| 3205 | return rv; |
| 3206 | } |
| 3207 | |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 3208 | /* Wrapper functions */ |
| 3209 | static void flash_read_id(dmov_s *cmdlist, unsigned *ptrlist) |
| 3210 | { |
| 3211 | int dev_found = 0; |
| 3212 | unsigned index; |
| 3213 | |
| 3214 | // Try to read id |
| 3215 | flash_nand_read_id(cmdlist, ptrlist); |
| 3216 | // Check if we support the device |
| 3217 | for (index=1; |
| 3218 | index < (sizeof(supported_flash)/sizeof(struct flash_identification)); |
| 3219 | index++) |
| 3220 | { |
| 3221 | if ((flash_info.id & supported_flash[index].mask) == |
| 3222 | (supported_flash[index].flash_id & |
| 3223 | (supported_flash[index].mask))) { |
| 3224 | dev_found = 1; |
| 3225 | break; |
| 3226 | } |
| 3227 | } |
| 3228 | |
| 3229 | if(!dev_found) { |
| 3230 | flash_onenand_read_id(cmdlist, ptrlist); |
| 3231 | for (index=1; |
| 3232 | index < (sizeof(supported_flash)/sizeof(struct flash_identification)); |
| 3233 | index++) |
| 3234 | { |
| 3235 | if ((flash_info.id & supported_flash[index].mask) == |
| 3236 | (supported_flash[index].flash_id & |
| 3237 | (supported_flash[index].mask))) { |
| 3238 | dev_found = 1; |
| 3239 | break; |
| 3240 | } |
| 3241 | } |
| 3242 | } |
| 3243 | |
| 3244 | |
| 3245 | |
| 3246 | if(dev_found) { |
| 3247 | if (supported_flash[index].widebus) |
| 3248 | flash_info.type = FLASH_16BIT_NAND_DEVICE; |
| 3249 | else |
| 3250 | flash_info.type = FLASH_8BIT_NAND_DEVICE; |
| 3251 | if (supported_flash[index].onenand) |
| 3252 | flash_info.type = FLASH_ONENAND_DEVICE; |
| 3253 | flash_info.page_size = supported_flash[index].pagesize; |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 3254 | flash_pagesize = flash_info.page_size; |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 3255 | flash_info.block_size = supported_flash[index].blksize; |
| 3256 | flash_info.spare_size = supported_flash[index].oobsize; |
| 3257 | if (flash_info.block_size && flash_info.page_size) |
| 3258 | { |
| 3259 | flash_info.num_blocks = supported_flash[index].density; |
Chandan Uddaraju | 4060511 | 2010-08-09 14:25:08 -0700 | [diff] [blame] | 3260 | flash_info.num_blocks /= (flash_info.block_size); |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 3261 | } |
| 3262 | else |
| 3263 | { |
| 3264 | flash_info.num_blocks = 0; |
| 3265 | } |
| 3266 | ASSERT(flash_info.num_blocks); |
Channagoud Kadabi | beb17d5 | 2011-03-25 17:14:00 +0530 | [diff] [blame] | 3267 | // Use this for getting the next/current blocks |
| 3268 | num_pages_per_blk = flash_info.block_size / flash_pagesize; |
| 3269 | num_pages_per_blk_mask = num_pages_per_blk - 1; |
Channagoud Kadabi | 404a706 | 2011-03-21 19:27:50 +0530 | [diff] [blame^] | 3270 | //Look for 8bit BCH ECC Nand, TODO: ECC Correctability >= 8 |
| 3271 | if((flash_ctrl_hwinfo(cmdlist,ptrlist) == 0x307) && flash_info.id == 0x2600482c) { |
| 3272 | enable_bch_ecc = 1; |
| 3273 | } |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 3274 | return; |
| 3275 | } |
| 3276 | |
| 3277 | // Assume 8 bit nand device for backward compatability |
| 3278 | if (dev_found == 0) { |
| 3279 | dprintf(INFO, "Device not supported. Assuming 8 bit NAND device\n"); |
| 3280 | flash_info.type = FLASH_8BIT_NAND_DEVICE; |
| 3281 | } |
| 3282 | dprintf(INFO, "nandid: 0x%x maker=0x%02x device=0x%02x page_size=%d\n", |
| 3283 | flash_info.id, flash_info.vendor, flash_info.device, |
| 3284 | flash_info.page_size); |
| 3285 | dprintf(INFO, " spare_size=%d block_size=%d num_blocks=%d\n", |
| 3286 | flash_info.spare_size, flash_info.block_size, |
| 3287 | flash_info.num_blocks); |
| 3288 | } |
| 3289 | |
| 3290 | static int flash_erase_block(dmov_s *cmdlist, unsigned *ptrlist, unsigned page) |
| 3291 | { |
| 3292 | switch(flash_info.type) { |
| 3293 | case FLASH_8BIT_NAND_DEVICE: |
| 3294 | case FLASH_16BIT_NAND_DEVICE: |
| 3295 | return flash_nand_erase_block(cmdlist, ptrlist, page); |
| 3296 | case FLASH_ONENAND_DEVICE: |
| 3297 | return flash_onenand_erase_block(cmdlist, ptrlist, page); |
| 3298 | default: |
| 3299 | return -1; |
| 3300 | } |
| 3301 | } |
| 3302 | |
| 3303 | static int _flash_read_page(dmov_s *cmdlist, unsigned *ptrlist, |
| 3304 | unsigned page, void *_addr, void *_spareaddr) |
| 3305 | { |
| 3306 | switch(flash_info.type) { |
| 3307 | case FLASH_8BIT_NAND_DEVICE: |
| 3308 | case FLASH_16BIT_NAND_DEVICE: |
Chandan Uddaraju | 14e57eb | 2010-06-28 12:11:06 -0700 | [diff] [blame] | 3309 | if(interleaved_mode) |
| 3310 | return flash_nand_read_page_interleave(cmdlist, ptrlist, page, _addr, _spareaddr); |
| 3311 | else |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 3312 | return _flash_nand_read_page(cmdlist, ptrlist, page, _addr, _spareaddr); |
| 3313 | case FLASH_ONENAND_DEVICE: |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 3314 | return _flash_onenand_read_page(cmdlist, ptrlist, page, _addr, _spareaddr, 0); |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 3315 | default: |
| 3316 | return -1; |
| 3317 | } |
| 3318 | } |
| 3319 | |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 3320 | static int _flash_block_isbad(dmov_s *cmdlist, unsigned *ptrlist, unsigned page) |
| 3321 | { |
| 3322 | switch(flash_info.type) { |
| 3323 | case FLASH_8BIT_NAND_DEVICE: |
| 3324 | case FLASH_16BIT_NAND_DEVICE: |
| 3325 | return flash_nand_block_isbad(cmdlist, ptrlist, page); |
| 3326 | case FLASH_ONENAND_DEVICE: |
| 3327 | return flash_onenand_block_isbad(cmdlist, ptrlist, page); |
| 3328 | default: |
| 3329 | return -1; |
| 3330 | } |
| 3331 | } |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 3332 | |
| 3333 | static int _flash_write_page(dmov_s *cmdlist, unsigned *ptrlist, |
| 3334 | unsigned page, const void *_addr, |
| 3335 | const void *_spareaddr) |
| 3336 | { |
| 3337 | switch(flash_info.type) { |
| 3338 | case FLASH_8BIT_NAND_DEVICE: |
| 3339 | case FLASH_16BIT_NAND_DEVICE: |
Chandan Uddaraju | 14e57eb | 2010-06-28 12:11:06 -0700 | [diff] [blame] | 3340 | if(interleaved_mode) |
| 3341 | return flash_nand_write_page_interleave(cmdlist, ptrlist, page, _addr, _spareaddr, 0); |
| 3342 | else |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame] | 3343 | return _flash_nand_write_page(cmdlist, ptrlist, page, _addr, _spareaddr, 0); |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 3344 | case FLASH_ONENAND_DEVICE: |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame] | 3345 | return _flash_onenand_write_page(cmdlist, ptrlist, page, _addr, _spareaddr, 0); |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 3346 | default: |
| 3347 | return -1; |
| 3348 | } |
| 3349 | } |
| 3350 | |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 3351 | static unsigned *flash_ptrlist; |
| 3352 | static dmov_s *flash_cmdlist; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 3353 | |
| 3354 | static struct ptable *flash_ptable = NULL; |
| 3355 | |
Dima Zavin | e5f6435 | 2009-03-02 16:04:20 -0800 | [diff] [blame] | 3356 | void flash_init(void) |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 3357 | { |
Dima Zavin | e5f6435 | 2009-03-02 16:04:20 -0800 | [diff] [blame] | 3358 | ASSERT(flash_ptable == NULL); |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 3359 | |
| 3360 | flash_ptrlist = memalign(32, 1024); |
| 3361 | flash_cmdlist = memalign(32, 1024); |
Ajay Dudani | 232ce81 | 2009-12-02 00:14:11 -0800 | [diff] [blame] | 3362 | flash_data = memalign(32, 4096 + 128); |
| 3363 | flash_spare = memalign(32, 128); |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 3364 | |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 3365 | flash_read_id(flash_cmdlist, flash_ptrlist); |
Shashank Mittal | 83d16d0 | 2009-11-18 16:54:42 -0800 | [diff] [blame] | 3366 | if((FLASH_8BIT_NAND_DEVICE == flash_info.type) |
| 3367 | ||(FLASH_16BIT_NAND_DEVICE == flash_info.type)) { |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 3368 | if(flash_nand_read_config(flash_cmdlist, flash_ptrlist)) { |
Shashank Mittal | 83d16d0 | 2009-11-18 16:54:42 -0800 | [diff] [blame] | 3369 | dprintf(CRITICAL, "ERROR: could not read CFG0/CFG1 state\n"); |
| 3370 | ASSERT(0); |
| 3371 | } |
| 3372 | } |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 3373 | } |
| 3374 | |
| 3375 | struct ptable *flash_get_ptable(void) |
| 3376 | { |
| 3377 | return flash_ptable; |
| 3378 | } |
| 3379 | |
Dima Zavin | e5f6435 | 2009-03-02 16:04:20 -0800 | [diff] [blame] | 3380 | void flash_set_ptable(struct ptable *new_ptable) |
| 3381 | { |
| 3382 | ASSERT(flash_ptable == NULL && new_ptable != NULL); |
| 3383 | flash_ptable = new_ptable; |
| 3384 | } |
| 3385 | |
Dima Zavin | ca337f5 | 2009-03-02 16:41:44 -0800 | [diff] [blame] | 3386 | struct flash_info *flash_get_info(void) |
| 3387 | { |
| 3388 | return &flash_info; |
| 3389 | } |
| 3390 | |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 3391 | int flash_erase(struct ptentry *ptn) |
| 3392 | { |
| 3393 | unsigned block = ptn->start; |
| 3394 | unsigned count = ptn->length; |
| 3395 | |
Shashank Mittal | 8e49dec | 2010-03-01 15:19:04 -0800 | [diff] [blame] | 3396 | set_nand_configuration(ptn->type); |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 3397 | while(count-- > 0) { |
Channagoud Kadabi | beb17d5 | 2011-03-25 17:14:00 +0530 | [diff] [blame] | 3398 | if(flash_erase_block(flash_cmdlist, flash_ptrlist, block * num_pages_per_blk)) { |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 3399 | dprintf(INFO, "cannot erase @ %d (bad block?)\n", block); |
| 3400 | } |
| 3401 | block++; |
| 3402 | } |
| 3403 | return 0; |
| 3404 | } |
| 3405 | |
| 3406 | int flash_read_ext(struct ptentry *ptn, unsigned extra_per_page, |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 3407 | unsigned offset, void *data, unsigned bytes) |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 3408 | { |
Channagoud Kadabi | beb17d5 | 2011-03-25 17:14:00 +0530 | [diff] [blame] | 3409 | unsigned page = (ptn->start * num_pages_per_blk) + (offset / flash_pagesize); |
| 3410 | unsigned lastpage = (ptn->start + ptn->length) * num_pages_per_blk; |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 3411 | unsigned count = (bytes + flash_pagesize - 1 + extra_per_page) / (flash_pagesize + extra_per_page); |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 3412 | unsigned *spare = (unsigned*) flash_spare; |
| 3413 | unsigned errors = 0; |
| 3414 | unsigned char *image = data; |
Channagoud Kadabi | beb17d5 | 2011-03-25 17:14:00 +0530 | [diff] [blame] | 3415 | unsigned current_block = (page - (page & num_pages_per_blk_mask)) / num_pages_per_blk; |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 3416 | unsigned start_block = ptn->start; |
| 3417 | int result = 0; |
| 3418 | int isbad = 0; |
Shashank Mittal | fd1f04f | 2010-08-03 17:38:48 -0700 | [diff] [blame] | 3419 | int start_block_count = 0; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 3420 | |
Shashank Mittal | 8e49dec | 2010-03-01 15:19:04 -0800 | [diff] [blame] | 3421 | ASSERT(ptn->type == TYPE_APPS_PARTITION); |
| 3422 | set_nand_configuration(TYPE_APPS_PARTITION); |
| 3423 | |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 3424 | if(offset & (flash_pagesize - 1)) |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 3425 | return -1; |
| 3426 | |
Shashank Mittal | fd1f04f | 2010-08-03 17:38:48 -0700 | [diff] [blame] | 3427 | // Adjust page offset based on number of bad blocks from start to current page |
| 3428 | if (start_block < current_block) |
| 3429 | { |
| 3430 | start_block_count = (current_block - start_block); |
| 3431 | while (start_block_count && (start_block < (ptn->start + ptn->length))) { |
Channagoud Kadabi | beb17d5 | 2011-03-25 17:14:00 +0530 | [diff] [blame] | 3432 | isbad = _flash_block_isbad(flash_cmdlist, flash_ptrlist, start_block*num_pages_per_blk); |
Shashank Mittal | fd1f04f | 2010-08-03 17:38:48 -0700 | [diff] [blame] | 3433 | if (isbad) |
Channagoud Kadabi | beb17d5 | 2011-03-25 17:14:00 +0530 | [diff] [blame] | 3434 | page += num_pages_per_blk; |
Shashank Mittal | fd1f04f | 2010-08-03 17:38:48 -0700 | [diff] [blame] | 3435 | else |
| 3436 | start_block_count--; |
| 3437 | start_block++; |
| 3438 | } |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 3439 | } |
| 3440 | |
Shashank Mittal | fd1f04f | 2010-08-03 17:38:48 -0700 | [diff] [blame] | 3441 | while((page < lastpage) && !start_block_count) { |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 3442 | if(count == 0) { |
| 3443 | dprintf(INFO, "flash_read_image: success (%d errors)\n", errors); |
| 3444 | return 0; |
| 3445 | } |
| 3446 | |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 3447 | result = _flash_read_page(flash_cmdlist, flash_ptrlist, page, image, spare); |
| 3448 | |
| 3449 | if (result == -1) { |
| 3450 | // bad page, go to next page |
| 3451 | page++; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 3452 | errors++; |
| 3453 | continue; |
| 3454 | } |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 3455 | else if (result == -2) { |
| 3456 | // bad block, go to next block same offset |
Channagoud Kadabi | beb17d5 | 2011-03-25 17:14:00 +0530 | [diff] [blame] | 3457 | page += num_pages_per_blk; |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 3458 | errors++; |
| 3459 | continue; |
| 3460 | } |
| 3461 | |
| 3462 | page++; |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 3463 | image += flash_pagesize; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 3464 | memcpy(image, spare, extra_per_page); |
| 3465 | image += extra_per_page; |
| 3466 | count -= 1; |
| 3467 | } |
| 3468 | |
| 3469 | /* could not find enough valid pages before we hit the end */ |
| 3470 | dprintf(INFO, "flash_read_image: failed (%d errors)\n", errors); |
| 3471 | return 0xffffffff; |
| 3472 | } |
| 3473 | |
| 3474 | int flash_write(struct ptentry *ptn, unsigned extra_per_page, const void *data, |
| 3475 | unsigned bytes) |
| 3476 | { |
Channagoud Kadabi | beb17d5 | 2011-03-25 17:14:00 +0530 | [diff] [blame] | 3477 | unsigned page = ptn->start * num_pages_per_blk; |
| 3478 | unsigned lastpage = (ptn->start + ptn->length) * num_pages_per_blk; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 3479 | unsigned *spare = (unsigned*) flash_spare; |
| 3480 | const unsigned char *image = data; |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 3481 | unsigned wsize = flash_pagesize + extra_per_page; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 3482 | unsigned n; |
| 3483 | int r; |
| 3484 | |
Shashank Mittal | 8e49dec | 2010-03-01 15:19:04 -0800 | [diff] [blame] | 3485 | if ((flash_info.type == FLASH_ONENAND_DEVICE) && (ptn->type == TYPE_MODEM_PARTITION)) |
| 3486 | { |
| 3487 | dprintf(CRITICAL, "flash_write_image: feature not supported\n"); |
| 3488 | return -1; |
| 3489 | } |
| 3490 | |
| 3491 | set_nand_configuration(ptn->type); |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 3492 | for(n = 0; n < 16; n++) spare[n] = 0xffffffff; |
| 3493 | |
| 3494 | while(bytes > 0) { |
| 3495 | if(bytes < wsize) { |
| 3496 | dprintf(CRITICAL, "flash_write_image: image undersized (%d < %d)\n", bytes, wsize); |
| 3497 | return -1; |
| 3498 | } |
| 3499 | if(page >= lastpage) { |
| 3500 | dprintf(CRITICAL, "flash_write_image: out of space\n"); |
| 3501 | return -1; |
| 3502 | } |
| 3503 | |
Channagoud Kadabi | beb17d5 | 2011-03-25 17:14:00 +0530 | [diff] [blame] | 3504 | if((page & num_pages_per_blk_mask) == 0) { |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 3505 | if(flash_erase_block(flash_cmdlist, flash_ptrlist, page)) { |
Channagoud Kadabi | beb17d5 | 2011-03-25 17:14:00 +0530 | [diff] [blame] | 3506 | dprintf(INFO, "flash_write_image: bad block @ %d\n", page / num_pages_per_blk); |
| 3507 | page += num_pages_per_blk; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 3508 | continue; |
| 3509 | } |
| 3510 | } |
| 3511 | |
| 3512 | if(extra_per_page) { |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame] | 3513 | r = _flash_write_page(flash_cmdlist, flash_ptrlist, page, image, image + flash_pagesize); |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 3514 | } else { |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame] | 3515 | r = _flash_write_page(flash_cmdlist, flash_ptrlist, page, image, spare); |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 3516 | } |
| 3517 | if(r) { |
| 3518 | dprintf(INFO, "flash_write_image: write failure @ page %d (src %d)\n", page, image - (const unsigned char *)data); |
Channagoud Kadabi | beb17d5 | 2011-03-25 17:14:00 +0530 | [diff] [blame] | 3519 | image -= (page & num_pages_per_blk_mask) * wsize; |
| 3520 | bytes += (page & num_pages_per_blk_mask) * wsize; |
| 3521 | page &= ~num_pages_per_blk_mask; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 3522 | if(flash_erase_block(flash_cmdlist, flash_ptrlist, page)) { |
| 3523 | dprintf(INFO, "flash_write_image: erase failure @ page %d\n", page); |
| 3524 | } |
Shashank Mittal | 8e49dec | 2010-03-01 15:19:04 -0800 | [diff] [blame] | 3525 | if (ptn->type != TYPE_MODEM_PARTITION) { |
| 3526 | flash_mark_badblock(flash_cmdlist, flash_ptrlist, page); |
| 3527 | } |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 3528 | dprintf(INFO, "flash_write_image: restart write @ page %d (src %d)\n", page, image - (const unsigned char *)data); |
Channagoud Kadabi | beb17d5 | 2011-03-25 17:14:00 +0530 | [diff] [blame] | 3529 | page += num_pages_per_blk; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 3530 | continue; |
| 3531 | } |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame] | 3532 | page++; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 3533 | image += wsize; |
| 3534 | bytes -= wsize; |
| 3535 | } |
| 3536 | |
| 3537 | /* erase any remaining pages in the partition */ |
Channagoud Kadabi | beb17d5 | 2011-03-25 17:14:00 +0530 | [diff] [blame] | 3538 | page = (page + num_pages_per_blk_mask) & (~num_pages_per_blk_mask); |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 3539 | while(page < lastpage){ |
| 3540 | if(flash_erase_block(flash_cmdlist, flash_ptrlist, page)) { |
Channagoud Kadabi | beb17d5 | 2011-03-25 17:14:00 +0530 | [diff] [blame] | 3541 | dprintf(INFO, "flash_write_image: bad block @ %d\n", page / num_pages_per_blk); |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 3542 | } |
Channagoud Kadabi | beb17d5 | 2011-03-25 17:14:00 +0530 | [diff] [blame] | 3543 | page += num_pages_per_blk; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 3544 | } |
| 3545 | |
| 3546 | dprintf(INFO, "flash_write_image: success\n"); |
| 3547 | return 0; |
| 3548 | } |
| 3549 | |
| 3550 | #if 0 |
| 3551 | static int flash_read_page(unsigned page, void *data, void *extra) |
| 3552 | { |
| 3553 | return _flash_read_page(flash_cmdlist, flash_ptrlist, |
| 3554 | page, data, extra); |
| 3555 | } |
| 3556 | #endif |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 3557 | |
| 3558 | unsigned flash_page_size(void) |
| 3559 | { |
| 3560 | return flash_pagesize; |
| 3561 | } |
Chandan Uddaraju | 14e57eb | 2010-06-28 12:11:06 -0700 | [diff] [blame] | 3562 | |
| 3563 | void enable_interleave_mode(int status) |
| 3564 | { |
| 3565 | interleaved_mode = status; |
| 3566 | if(status) |
| 3567 | { |
| 3568 | flash_pagesize *= 2; |
| 3569 | platform_config_interleaved_mode_gpios(); |
| 3570 | } |
| 3571 | return; |
| 3572 | } |
Channagoud Kadabi | 404a706 | 2011-03-21 19:27:50 +0530 | [diff] [blame^] | 3573 | |
| 3574 | int flash_ecc_bch_enabled() |
| 3575 | { |
| 3576 | return enable_bch_ecc; |
| 3577 | } |