Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2008, Google Inc. |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * * Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * * Redistributions in binary form must reproduce the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer in |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 12 | * the documentation and/or other materials provided with the |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 13 | * distribution. |
| 14 | * |
| 15 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 16 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 17 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| 18 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| 19 | * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| 21 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 22 | * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 23 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 24 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| 25 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 26 | * SUCH DAMAGE. |
| 27 | */ |
| 28 | |
| 29 | #include <debug.h> |
| 30 | #include <reg.h> |
| 31 | #include <stdlib.h> |
| 32 | #include <string.h> |
| 33 | #include <dev/flash.h> |
| 34 | #include <lib/ptable.h> |
| 35 | |
| 36 | #include "dmov.h" |
| 37 | #include "nand.h" |
| 38 | |
| 39 | #define VERBOSE 0 |
Dima Zavin | 5582c7d | 2009-03-03 15:17:59 -0800 | [diff] [blame] | 40 | #define VERIFY_WRITE 0 |
| 41 | |
| 42 | static void *flash_spare; |
| 43 | static void *flash_data; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 44 | |
| 45 | typedef struct dmov_ch dmov_ch; |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 46 | struct dmov_ch |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 47 | { |
| 48 | volatile unsigned cmd; |
| 49 | volatile unsigned result; |
| 50 | volatile unsigned status; |
| 51 | volatile unsigned config; |
| 52 | }; |
| 53 | |
| 54 | static void dmov_prep_ch(dmov_ch *ch, unsigned id) |
| 55 | { |
| 56 | ch->cmd = DMOV_CMD_PTR(id); |
| 57 | ch->result = DMOV_RSLT(id); |
| 58 | ch->status = DMOV_STATUS(id); |
| 59 | ch->config = DMOV_CONFIG(id); |
| 60 | } |
| 61 | |
| 62 | #define SRC_CRCI_NAND_CMD CMD_SRC_CRCI(DMOV_NAND_CRCI_CMD) |
| 63 | #define DST_CRCI_NAND_CMD CMD_DST_CRCI(DMOV_NAND_CRCI_CMD) |
| 64 | #define SRC_CRCI_NAND_DATA CMD_SRC_CRCI(DMOV_NAND_CRCI_DATA) |
| 65 | #define DST_CRCI_NAND_DATA CMD_DST_CRCI(DMOV_NAND_CRCI_DATA) |
| 66 | |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 67 | #define NAND_CFG0_RAW 0xA80420C0 |
| 68 | #define NAND_CFG1_RAW 0x5045D |
| 69 | |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 70 | static unsigned CFG0, CFG1; |
| 71 | |
| 72 | #define CFG1_WIDE_FLASH (1U << 1) |
| 73 | |
| 74 | #define paddr(n) ((unsigned) (n)) |
| 75 | |
| 76 | static int dmov_exec_cmdptr(unsigned id, unsigned *ptr) |
| 77 | { |
| 78 | dmov_ch ch; |
| 79 | unsigned n; |
| 80 | |
| 81 | dmov_prep_ch(&ch, id); |
| 82 | |
| 83 | writel(DMOV_CMD_PTR_LIST | DMOV_CMD_ADDR(paddr(ptr)), ch.cmd); |
| 84 | |
| 85 | while(!(readl(ch.status) & DMOV_STATUS_RSLT_VALID)) ; |
| 86 | |
| 87 | n = readl(ch.status); |
| 88 | while(DMOV_STATUS_RSLT_COUNT(n)) { |
| 89 | n = readl(ch.result); |
| 90 | if(n != 0x80000002) { |
| 91 | dprintf(CRITICAL, "ERROR: result: %x\n", n); |
| 92 | dprintf(CRITICAL, "ERROR: flush: %x %x %x %x\n", |
| 93 | readl(DMOV_FLUSH0(DMOV_NAND_CHAN)), |
| 94 | readl(DMOV_FLUSH1(DMOV_NAND_CHAN)), |
| 95 | readl(DMOV_FLUSH2(DMOV_NAND_CHAN)), |
| 96 | readl(DMOV_FLUSH3(DMOV_NAND_CHAN))); |
| 97 | } |
| 98 | n = readl(ch.status); |
| 99 | } |
| 100 | |
| 101 | return 0; |
| 102 | } |
| 103 | |
Dima Zavin | ca337f5 | 2009-03-02 16:41:44 -0800 | [diff] [blame] | 104 | static struct flash_info flash_info; |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 105 | static unsigned flash_pagesize = 0; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 106 | |
Shashank Mittal | 83d16d0 | 2009-11-18 16:54:42 -0800 | [diff] [blame] | 107 | struct flash_identification { |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 108 | unsigned flash_id; |
| 109 | unsigned mask; |
| 110 | unsigned density; |
| 111 | unsigned widebus; |
| 112 | unsigned pagesize; |
| 113 | unsigned blksize; |
| 114 | unsigned oobsize; |
| 115 | unsigned onenand; |
Shashank Mittal | 83d16d0 | 2009-11-18 16:54:42 -0800 | [diff] [blame] | 116 | }; |
| 117 | |
| 118 | static struct flash_identification supported_flash[] = |
| 119 | { |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 120 | /* Flash ID ID Mask Density(MB) Wid Pgsz Blksz oobsz onenand Manuf */ |
| 121 | {0x00000000, 0xFFFFFFFF, 0, 0, 0, 0, 0, 0}, /*ONFI*/ |
| 122 | {0x1500aaec, 0xFF00FFFF, (256<<20), 0, 2048, (2048<<6), 64, 0}, /*Sams*/ |
| 123 | {0x5500baec, 0xFF00FFFF, (256<<20), 1, 2048, (2048<<6), 64, 0}, /*Sams*/ |
| 124 | {0x1500aa98, 0xFFFFFFFF, (256<<20), 0, 2048, (2048<<6), 64, 0}, /*Tosh*/ |
| 125 | {0x5500ba98, 0xFFFFFFFF, (256<<20), 1, 2048, (2048<<6), 64, 0}, /*Tosh*/ |
| 126 | {0xd580b12c, 0xFFFFFFFF, (128<<20), 1, 2048, (2048<<6), 64, 0}, /*Micr*/ |
| 127 | {0x5590bc2c, 0xFFFFFFFF, (128<<20), 1, 2048, (2048<<6), 64, 0}, /*Micr*/ |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 128 | {0x1580aa2c, 0xFFFFFFFF, (128<<20), 0, 2048, (2048<<6), 64, 0}, /*Micr*/ |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 129 | {0x5580baad, 0xFFFFFFFF, (256<<20), 1, 2048, (2048<<6), 64, 0}, /*Hynx*/ |
| 130 | {0x5510baad, 0xFFFFFFFF, (256<<20), 1, 2048, (2048<<6), 64, 0}, /*Hynx*/ |
| 131 | {0x004000ec, 0xFFFFFFFF, (256<<20), 0, 2048, (2048<<6), 64, 1}, /*Sams*/ |
| 132 | {0x005c00ec, 0xFFFFFFFF, (256<<20), 0, 2048, (2048<<6), 64, 1}, /*Sams*/ |
| 133 | {0x005800ec, 0xFFFFFFFF, (256<<20), 0, 2048, (2048<<6), 64, 1}, /*Sams*/ |
| 134 | {0x6600bcec, 0xFF00FFFF, (512<<20), 1, 4096, (4096<<6), 128, 0}, /*Sams*/ |
| 135 | /* Note: Width flag is 0 for 8 bit Flash and 1 for 16 bit flash */ |
| 136 | /* Note: Onenand flag is 0 for NAND Flash and 1 for OneNAND flash */ |
| 137 | /* Note: The First row will be filled at runtime during ONFI probe */ |
Shashank Mittal | 83d16d0 | 2009-11-18 16:54:42 -0800 | [diff] [blame] | 138 | }; |
| 139 | |
| 140 | static void flash_nand_read_id(dmov_s *cmdlist, unsigned *ptrlist) |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 141 | { |
| 142 | dmov_s *cmd = cmdlist; |
| 143 | unsigned *ptr = ptrlist; |
| 144 | unsigned *data = ptrlist + 4; |
| 145 | |
| 146 | data[0] = 0 | 4; |
| 147 | data[1] = NAND_CMD_FETCH_ID; |
| 148 | data[2] = 1; |
| 149 | data[3] = 0; |
| 150 | data[4] = 0; |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 151 | data[5] = 0; |
| 152 | data[6] = 0; |
| 153 | data[7] = 0xAAD40000; /* Default value for CFG0 for reading device id */ |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 154 | |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 155 | /* Read NAND device id */ |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 156 | cmd[0].cmd = 0 | CMD_OCB; |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 157 | cmd[0].src = paddr(&data[7]); |
| 158 | cmd[0].dst = NAND_DEV0_CFG0; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 159 | cmd[0].len = 4; |
| 160 | |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 161 | cmd[1].cmd = 0; |
| 162 | cmd[1].src = NAND_SFLASHC_BURST_CFG; |
| 163 | cmd[1].dst = paddr(&data[5]); |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 164 | cmd[1].len = 4; |
| 165 | |
| 166 | cmd[2].cmd = 0; |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 167 | cmd[2].src = paddr(&data[6]); |
| 168 | cmd[2].dst = NAND_SFLASHC_BURST_CFG; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 169 | cmd[2].len = 4; |
| 170 | |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 171 | cmd[3].cmd = 0; |
| 172 | cmd[3].src = paddr(&data[0]); |
| 173 | cmd[3].dst = NAND_FLASH_CHIP_SELECT; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 174 | cmd[3].len = 4; |
| 175 | |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 176 | cmd[4].cmd = DST_CRCI_NAND_CMD; |
| 177 | cmd[4].src = paddr(&data[1]); |
| 178 | cmd[4].dst = NAND_FLASH_CMD; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 179 | cmd[4].len = 4; |
| 180 | |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 181 | cmd[5].cmd = 0; |
| 182 | cmd[5].src = paddr(&data[2]); |
| 183 | cmd[5].dst = NAND_EXEC_CMD; |
| 184 | cmd[5].len = 4; |
| 185 | |
| 186 | cmd[6].cmd = SRC_CRCI_NAND_DATA; |
| 187 | cmd[6].src = NAND_FLASH_STATUS; |
| 188 | cmd[6].dst = paddr(&data[3]); |
| 189 | cmd[6].len = 4; |
| 190 | |
| 191 | cmd[7].cmd = 0; |
| 192 | cmd[7].src = NAND_READ_ID; |
| 193 | cmd[7].dst = paddr(&data[4]); |
| 194 | cmd[7].len = 4; |
| 195 | |
| 196 | cmd[8].cmd = CMD_OCU | CMD_LC; |
| 197 | cmd[8].src = paddr(&data[5]); |
| 198 | cmd[8].dst = NAND_SFLASHC_BURST_CFG; |
| 199 | cmd[8].len = 4; |
| 200 | |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 201 | ptr[0] = (paddr(cmd) >> 3) | CMD_PTR_LP; |
| 202 | |
| 203 | dmov_exec_cmdptr(DMOV_NAND_CHAN, ptr); |
| 204 | |
| 205 | #if VERBOSE |
| 206 | dprintf(INFO, "status: %x\n", data[3]); |
| 207 | #endif |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 208 | |
Shashank Mittal | 83d16d0 | 2009-11-18 16:54:42 -0800 | [diff] [blame] | 209 | flash_info.id = data[4]; |
Dima Zavin | ca337f5 | 2009-03-02 16:41:44 -0800 | [diff] [blame] | 210 | flash_info.vendor = data[4] & 0xff; |
| 211 | flash_info.device = (data[4] >> 8) & 0xff; |
Shashank Mittal | 83d16d0 | 2009-11-18 16:54:42 -0800 | [diff] [blame] | 212 | return; |
| 213 | } |
Dima Zavin | ca337f5 | 2009-03-02 16:41:44 -0800 | [diff] [blame] | 214 | |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 215 | static int flash_nand_block_isbad(dmov_s *cmdlist, unsigned *ptrlist, |
| 216 | unsigned page) |
| 217 | { |
| 218 | dmov_s *cmd = cmdlist; |
| 219 | unsigned *ptr = ptrlist; |
| 220 | unsigned *data = ptrlist + 4; |
| 221 | char buf[4]; |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 222 | unsigned cwperpage; |
| 223 | |
| 224 | cwperpage = (flash_pagesize >> 9); |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 225 | |
| 226 | /* Check first page of this block */ |
| 227 | if(page & 63) |
| 228 | page = page - (page & 63); |
| 229 | |
| 230 | /* Check bad block marker */ |
| 231 | data[0] = NAND_CMD_PAGE_READ; /* command */ |
| 232 | |
| 233 | /* addr0 */ |
| 234 | if (CFG1 & CFG1_WIDE_FLASH) |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 235 | data[1] = (page << 16) | ((528*(cwperpage-1)) >> 1); |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 236 | else |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 237 | data[1] = (page << 16) | (528*(cwperpage-1)); |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 238 | |
| 239 | data[2] = (page >> 16) & 0xff; /* addr1 */ |
| 240 | data[3] = 0 | 4; /* chipsel */ |
| 241 | data[4] = NAND_CFG0_RAW & ~(7U << 6); /* cfg0 */ |
| 242 | data[5] = NAND_CFG1_RAW | (CFG1 & CFG1_WIDE_FLASH); /* cfg1 */ |
| 243 | data[6] = 1; |
| 244 | data[7] = CLEAN_DATA_32; /* flash status */ |
| 245 | data[8] = CLEAN_DATA_32; /* buf status */ |
| 246 | |
| 247 | cmd[0].cmd = DST_CRCI_NAND_CMD | CMD_OCB; |
| 248 | cmd[0].src = paddr(&data[0]); |
| 249 | cmd[0].dst = NAND_FLASH_CMD; |
| 250 | cmd[0].len = 16; |
| 251 | |
| 252 | cmd[1].cmd = 0; |
| 253 | cmd[1].src = paddr(&data[4]); |
| 254 | cmd[1].dst = NAND_DEV0_CFG0; |
| 255 | cmd[1].len = 8; |
| 256 | |
| 257 | cmd[2].cmd = 0; |
| 258 | cmd[2].src = paddr(&data[6]); |
| 259 | cmd[2].dst = NAND_EXEC_CMD; |
| 260 | cmd[2].len = 4; |
| 261 | |
| 262 | cmd[3].cmd = SRC_CRCI_NAND_DATA; |
| 263 | cmd[3].src = NAND_FLASH_STATUS; |
| 264 | cmd[3].dst = paddr(&data[7]); |
| 265 | cmd[3].len = 8; |
| 266 | |
| 267 | cmd[4].cmd = CMD_OCU | CMD_LC; |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 268 | cmd[4].src = NAND_FLASH_BUFFER + (flash_pagesize - (528*(cwperpage-1))); |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 269 | cmd[4].dst = paddr(&buf); |
| 270 | cmd[4].len = 4; |
| 271 | |
| 272 | ptr[0] = (paddr(cmd) >> 3) | CMD_PTR_LP; |
| 273 | |
| 274 | dmov_exec_cmdptr(DMOV_NAND_CHAN, ptr); |
| 275 | |
| 276 | #if VERBOSE |
| 277 | dprintf(INFO, "status: %x\n", data[7]); |
| 278 | #endif |
| 279 | |
| 280 | /* we fail if there was an operation error, a mpu error, or the |
| 281 | ** erase success bit was not set. |
| 282 | */ |
| 283 | if(data[7] & 0x110) return -1; |
| 284 | |
| 285 | /* Check for bad block marker byte */ |
| 286 | if (CFG1 & CFG1_WIDE_FLASH) { |
| 287 | if (buf[0] != 0xFF || buf[1] != 0xFF) |
| 288 | return 1; |
| 289 | } else { |
| 290 | if (buf[0] != 0xFF) |
| 291 | return 1; |
| 292 | } |
| 293 | |
| 294 | return 0; |
| 295 | } |
| 296 | |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 297 | static int flash_nand_erase_block(dmov_s *cmdlist, unsigned *ptrlist, |
| 298 | unsigned page) |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 299 | { |
| 300 | dmov_s *cmd = cmdlist; |
| 301 | unsigned *ptr = ptrlist; |
| 302 | unsigned *data = ptrlist + 4; |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 303 | int isbad = 0; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 304 | |
| 305 | /* only allow erasing on block boundaries */ |
| 306 | if(page & 63) return -1; |
| 307 | |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 308 | /* Check for bad block and erase only if block is not marked bad */ |
| 309 | isbad = flash_nand_block_isbad(cmdlist, ptrlist, page); |
| 310 | |
| 311 | if (isbad) { |
| 312 | dprintf(INFO, "skipping @ %d (bad block)\n", page >> 6); |
| 313 | return -1; |
| 314 | } |
| 315 | |
| 316 | /* Erase block */ |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 317 | data[0] = NAND_CMD_BLOCK_ERASE; |
| 318 | data[1] = page; |
| 319 | data[2] = 0; |
| 320 | data[3] = 0 | 4; |
| 321 | data[4] = 1; |
| 322 | data[5] = 0xeeeeeeee; |
| 323 | data[6] = CFG0 & (~(7 << 6)); /* CW_PER_PAGE = 0 */ |
| 324 | data[7] = CFG1; |
| 325 | |
| 326 | cmd[0].cmd = DST_CRCI_NAND_CMD | CMD_OCB; |
| 327 | cmd[0].src = paddr(&data[0]); |
| 328 | cmd[0].dst = NAND_FLASH_CMD; |
| 329 | cmd[0].len = 16; |
| 330 | |
| 331 | cmd[1].cmd = 0; |
| 332 | cmd[1].src = paddr(&data[6]); |
| 333 | cmd[1].dst = NAND_DEV0_CFG0; |
| 334 | cmd[1].len = 8; |
| 335 | |
| 336 | cmd[2].cmd = 0; |
| 337 | cmd[2].src = paddr(&data[4]); |
| 338 | cmd[2].dst = NAND_EXEC_CMD; |
| 339 | cmd[2].len = 4; |
| 340 | |
| 341 | cmd[3].cmd = SRC_CRCI_NAND_DATA | CMD_OCU | CMD_LC; |
| 342 | cmd[3].src = NAND_FLASH_STATUS; |
| 343 | cmd[3].dst = paddr(&data[5]); |
| 344 | cmd[3].len = 4; |
| 345 | |
| 346 | ptr[0] = (paddr(cmd) >> 3) | CMD_PTR_LP; |
| 347 | |
| 348 | dmov_exec_cmdptr(DMOV_NAND_CHAN, ptr); |
| 349 | |
| 350 | #if VERBOSE |
| 351 | dprintf(INFO, "status: %x\n", data[5]); |
| 352 | #endif |
| 353 | |
| 354 | /* we fail if there was an operation error, a mpu error, or the |
| 355 | ** erase success bit was not set. |
| 356 | */ |
| 357 | if(data[5] & 0x110) return -1; |
| 358 | if(!(data[5] & 0x80)) return -1; |
| 359 | |
| 360 | return 0; |
| 361 | } |
| 362 | |
| 363 | struct data_flash_io { |
| 364 | unsigned cmd; |
| 365 | unsigned addr0; |
| 366 | unsigned addr1; |
| 367 | unsigned chipsel; |
| 368 | unsigned cfg0; |
| 369 | unsigned cfg1; |
| 370 | unsigned exec; |
| 371 | unsigned ecc_cfg; |
| 372 | unsigned ecc_cfg_save; |
| 373 | struct { |
| 374 | unsigned flash_status; |
| 375 | unsigned buffer_status; |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 376 | } result[8]; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 377 | }; |
| 378 | |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 379 | static int _flash_nand_read_page(dmov_s *cmdlist, unsigned *ptrlist, |
| 380 | unsigned page, void *_addr, void *_spareaddr) |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 381 | { |
| 382 | dmov_s *cmd = cmdlist; |
| 383 | unsigned *ptr = ptrlist; |
| 384 | struct data_flash_io *data = (void*) (ptrlist + 4); |
| 385 | unsigned addr = (unsigned) _addr; |
| 386 | unsigned spareaddr = (unsigned) _spareaddr; |
| 387 | unsigned n; |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 388 | int isbad = 0; |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 389 | unsigned cwperpage; |
| 390 | cwperpage = (flash_pagesize >> 9); |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 391 | |
| 392 | /* Check for bad block and read only from a good block */ |
| 393 | isbad = flash_nand_block_isbad(cmdlist, ptrlist, page); |
| 394 | if (isbad) |
| 395 | return -2; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 396 | |
| 397 | data->cmd = NAND_CMD_PAGE_READ_ECC; |
| 398 | data->addr0 = page << 16; |
| 399 | data->addr1 = (page >> 16) & 0xff; |
| 400 | data->chipsel = 0 | 4; /* flash0 + undoc bit */ |
| 401 | |
| 402 | /* GO bit for the EXEC register */ |
| 403 | data->exec = 1; |
| 404 | |
| 405 | data->cfg0 = CFG0; |
| 406 | data->cfg1 = CFG1; |
| 407 | |
| 408 | data->ecc_cfg = 0x203; |
| 409 | |
| 410 | /* save existing ecc config */ |
| 411 | cmd->cmd = CMD_OCB; |
| 412 | cmd->src = NAND_EBI2_ECC_BUF_CFG; |
| 413 | cmd->dst = paddr(&data->ecc_cfg_save); |
| 414 | cmd->len = 4; |
| 415 | cmd++; |
| 416 | |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 417 | for(n = 0; n < cwperpage; n++) { |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 418 | /* write CMD / ADDR0 / ADDR1 / CHIPSEL regs in a burst */ |
| 419 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 420 | cmd->src = paddr(&data->cmd); |
| 421 | cmd->dst = NAND_FLASH_CMD; |
| 422 | cmd->len = ((n == 0) ? 16 : 4); |
| 423 | cmd++; |
| 424 | |
| 425 | if (n == 0) { |
| 426 | /* block on cmd ready, set configuration */ |
| 427 | cmd->cmd = 0; |
| 428 | cmd->src = paddr(&data->cfg0); |
| 429 | cmd->dst = NAND_DEV0_CFG0; |
| 430 | cmd->len = 8; |
| 431 | cmd++; |
| 432 | |
| 433 | /* set our ecc config */ |
| 434 | cmd->cmd = 0; |
| 435 | cmd->src = paddr(&data->ecc_cfg); |
| 436 | cmd->dst = NAND_EBI2_ECC_BUF_CFG; |
| 437 | cmd->len = 4; |
| 438 | cmd++; |
| 439 | } |
| 440 | /* kick the execute register */ |
| 441 | cmd->cmd = 0; |
| 442 | cmd->src = paddr(&data->exec); |
| 443 | cmd->dst = NAND_EXEC_CMD; |
| 444 | cmd->len = 4; |
| 445 | cmd++; |
| 446 | |
| 447 | /* block on data ready, then read the status register */ |
| 448 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 449 | cmd->src = NAND_FLASH_STATUS; |
| 450 | cmd->dst = paddr(&data->result[n]); |
| 451 | cmd->len = 8; |
| 452 | cmd++; |
| 453 | |
| 454 | /* read data block */ |
| 455 | cmd->cmd = 0; |
| 456 | cmd->src = NAND_FLASH_BUFFER; |
| 457 | cmd->dst = addr + n * 516; |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 458 | cmd->len = ((n < (cwperpage -1 )) ? 516 : (512 - ((cwperpage - 1) << 2))); |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 459 | cmd++; |
| 460 | } |
| 461 | |
| 462 | /* read extra data */ |
| 463 | cmd->cmd = 0; |
| 464 | cmd->src = NAND_FLASH_BUFFER + 500; |
| 465 | cmd->dst = spareaddr; |
| 466 | cmd->len = 16; |
| 467 | cmd++; |
| 468 | |
| 469 | /* restore saved ecc config */ |
| 470 | cmd->cmd = CMD_OCU | CMD_LC; |
| 471 | cmd->src = paddr(&data->ecc_cfg_save); |
| 472 | cmd->dst = NAND_EBI2_ECC_BUF_CFG; |
| 473 | cmd->len = 4; |
| 474 | |
| 475 | ptr[0] = (paddr(cmdlist) >> 3) | CMD_PTR_LP; |
| 476 | |
| 477 | dmov_exec_cmdptr(DMOV_NAND_CHAN, ptr); |
| 478 | |
| 479 | #if VERBOSE |
| 480 | dprintf(INFO, "read page %d: status: %x %x %x %x\n", |
| 481 | page, data[5], data[6], data[7], data[8]); |
| 482 | for(n = 0; n < 4; n++) { |
| 483 | ptr = (unsigned*)(addr + 512 * n); |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 484 | 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] | 485 | ptr = (unsigned*)(spareaddr + 16 * n); |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 486 | 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] | 487 | } |
| 488 | #endif |
| 489 | |
| 490 | /* if any of the writes failed (0x10), or there was a |
| 491 | ** protection violation (0x100), we lose |
| 492 | */ |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 493 | for(n = 0; n < cwperpage; n++) { |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 494 | if (data->result[n].flash_status & 0x110) { |
| 495 | return -1; |
| 496 | } |
| 497 | } |
| 498 | |
| 499 | return 0; |
| 500 | } |
| 501 | |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 502 | 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^] | 503 | const void *_addr, const void *_spareaddr, unsigned raw_mode) |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 504 | { |
| 505 | dmov_s *cmd = cmdlist; |
| 506 | unsigned *ptr = ptrlist; |
| 507 | struct data_flash_io *data = (void*) (ptrlist + 4); |
| 508 | unsigned addr = (unsigned) _addr; |
| 509 | unsigned spareaddr = (unsigned) _spareaddr; |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 510 | unsigned n; |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 511 | unsigned cwperpage; |
| 512 | cwperpage = (flash_pagesize >> 9); |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 513 | |
| 514 | data->cmd = NAND_CMD_PRG_PAGE; |
| 515 | data->addr0 = page << 16; |
| 516 | data->addr1 = (page >> 16) & 0xff; |
| 517 | data->chipsel = 0 | 4; /* flash0 + undoc bit */ |
| 518 | |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame^] | 519 | if (!raw_mode){ |
| 520 | data->cfg0 = CFG0; |
| 521 | data->cfg1 = CFG1; |
| 522 | }else{ |
| 523 | data->cfg0 = (NAND_CFG0_RAW & ~(7 << 6)) |((cwperpage-1) << 6); |
| 524 | data->cfg1 = NAND_CFG1_RAW | (CFG1 & CFG1_WIDE_FLASH); |
| 525 | } |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 526 | |
| 527 | /* GO bit for the EXEC register */ |
| 528 | data->exec = 1; |
| 529 | |
| 530 | data->ecc_cfg = 0x203; |
| 531 | |
| 532 | /* save existing ecc config */ |
| 533 | cmd->cmd = CMD_OCB; |
| 534 | cmd->src = NAND_EBI2_ECC_BUF_CFG; |
| 535 | cmd->dst = paddr(&data->ecc_cfg_save); |
| 536 | cmd->len = 4; |
| 537 | cmd++; |
| 538 | |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 539 | for(n = 0; n < cwperpage; n++) { |
| 540 | /* write CMD / ADDR0 / ADDR1 / CHIPSEL regs in a burst */ |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 541 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 542 | cmd->src = paddr(&data->cmd); |
| 543 | cmd->dst = NAND_FLASH_CMD; |
| 544 | cmd->len = ((n == 0) ? 16 : 4); |
| 545 | cmd++; |
| 546 | |
| 547 | if (n == 0) { |
| 548 | /* set configuration */ |
| 549 | cmd->cmd = 0; |
| 550 | cmd->src = paddr(&data->cfg0); |
| 551 | cmd->dst = NAND_DEV0_CFG0; |
| 552 | cmd->len = 8; |
| 553 | cmd++; |
| 554 | |
| 555 | /* set our ecc config */ |
| 556 | cmd->cmd = 0; |
| 557 | cmd->src = paddr(&data->ecc_cfg); |
| 558 | cmd->dst = NAND_EBI2_ECC_BUF_CFG; |
| 559 | cmd->len = 4; |
| 560 | cmd++; |
| 561 | } |
| 562 | |
| 563 | /* write data block */ |
| 564 | cmd->cmd = 0; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 565 | cmd->dst = NAND_FLASH_BUFFER; |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame^] | 566 | if (!raw_mode){ |
| 567 | cmd->src = addr + n * 516; |
| 568 | cmd->len = ((n < (cwperpage - 1)) ? 516 : (512 - ((cwperpage - 1) << 2))); |
| 569 | }else{ |
| 570 | cmd->src = addr; |
| 571 | cmd->len = 528; |
| 572 | } |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 573 | cmd++; |
| 574 | |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame^] | 575 | if ((n == (cwperpage - 1)) && (!raw_mode)) { |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 576 | /* write extra data */ |
| 577 | cmd->cmd = 0; |
| 578 | cmd->src = spareaddr; |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 579 | cmd->dst = NAND_FLASH_BUFFER + (512 - ((cwperpage - 1) << 2)); |
| 580 | cmd->len = (cwperpage << 2); |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 581 | cmd++; |
| 582 | } |
| 583 | |
| 584 | /* kick the execute register */ |
| 585 | cmd->cmd = 0; |
| 586 | cmd->src = paddr(&data->exec); |
| 587 | cmd->dst = NAND_EXEC_CMD; |
| 588 | cmd->len = 4; |
| 589 | cmd++; |
| 590 | |
| 591 | /* block on data ready, then read the status register */ |
| 592 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 593 | cmd->src = NAND_FLASH_STATUS; |
| 594 | cmd->dst = paddr(&data->result[n]); |
| 595 | cmd->len = 8; |
| 596 | cmd++; |
| 597 | } |
| 598 | |
| 599 | /* restore saved ecc config */ |
| 600 | cmd->cmd = CMD_OCU | CMD_LC; |
| 601 | cmd->src = paddr(&data->ecc_cfg_save); |
| 602 | cmd->dst = NAND_EBI2_ECC_BUF_CFG; |
| 603 | cmd->len = 4; |
| 604 | |
| 605 | ptr[0] = (paddr(cmdlist) >> 3) | CMD_PTR_LP; |
| 606 | |
| 607 | dmov_exec_cmdptr(DMOV_NAND_CHAN, ptr); |
| 608 | |
| 609 | #if VERBOSE |
| 610 | dprintf(INFO, "write page %d: status: %x %x %x %x\n", |
| 611 | page, data[5], data[6], data[7], data[8]); |
| 612 | #endif |
| 613 | |
| 614 | /* if any of the writes failed (0x10), or there was a |
| 615 | ** protection violation (0x100), or the program success |
| 616 | ** bit (0x80) is unset, we lose |
| 617 | */ |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 618 | for(n = 0; n < cwperpage; n++) { |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 619 | if(data->result[n].flash_status & 0x110) return -1; |
| 620 | if(!(data->result[n].flash_status & 0x80)) return -1; |
| 621 | } |
| 622 | |
Dima Zavin | 5582c7d | 2009-03-03 15:17:59 -0800 | [diff] [blame] | 623 | #if VERIFY_WRITE |
| 624 | n = _flash_read_page(cmdlist, ptrlist, page, flash_data, |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 625 | flash_data + 2048); |
Dima Zavin | 5582c7d | 2009-03-03 15:17:59 -0800 | [diff] [blame] | 626 | if (n != 0) |
| 627 | return -1; |
| 628 | if (memcmp(flash_data, _addr, 2048) || |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 629 | memcmp(flash_data + 2048, _spareaddr, 16)) { |
Dima Zavin | 5582c7d | 2009-03-03 15:17:59 -0800 | [diff] [blame] | 630 | dprintf(CRITICAL, "verify error @ page %d\n", page); |
| 631 | return -1; |
| 632 | } |
| 633 | #endif |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 634 | return 0; |
| 635 | } |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame^] | 636 | char empty_buf[528]; |
| 637 | static int flash_nand_mark_badblock(dmov_s *cmdlist, unsigned *ptrlist, unsigned page) |
| 638 | { |
| 639 | memset(empty_buf,0,528); |
| 640 | /* Going to first page of the block */ |
| 641 | if(page & 63) |
| 642 | page = page - (page & 63); |
| 643 | return _flash_nand_write_page(cmdlist, ptrlist, page, empty_buf, 0, 1); |
| 644 | } |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 645 | |
Shashank Mittal | 83d16d0 | 2009-11-18 16:54:42 -0800 | [diff] [blame] | 646 | unsigned nand_cfg0; |
| 647 | unsigned nand_cfg1; |
| 648 | |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 649 | static int flash_nand_read_config(dmov_s *cmdlist, unsigned *ptrlist) |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 650 | { |
| 651 | cmdlist[0].cmd = CMD_OCB; |
| 652 | cmdlist[0].src = NAND_DEV0_CFG0; |
| 653 | cmdlist[0].dst = paddr(&CFG0); |
| 654 | cmdlist[0].len = 4; |
| 655 | |
| 656 | cmdlist[1].cmd = CMD_OCU | CMD_LC; |
| 657 | cmdlist[1].src = NAND_DEV0_CFG1; |
| 658 | cmdlist[1].dst = paddr(&CFG1); |
| 659 | cmdlist[1].len = 4; |
| 660 | |
| 661 | *ptrlist = (paddr(cmdlist) >> 3) | CMD_PTR_LP; |
| 662 | |
| 663 | dmov_exec_cmdptr(DMOV_NAND_CHAN, ptrlist); |
| 664 | |
| 665 | if((CFG0 == 0) || (CFG1 == 0)) { |
| 666 | return -1; |
| 667 | } |
| 668 | |
Shashank Mittal | 83d16d0 | 2009-11-18 16:54:42 -0800 | [diff] [blame] | 669 | if (flash_info.type == FLASH_16BIT_NAND_DEVICE) { |
| 670 | nand_cfg1 |= CFG1_WIDE_FLASH; |
| 671 | } |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 672 | dprintf(INFO, "nandcfg: %x %x (initial)\n", CFG0, CFG1); |
| 673 | |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 674 | CFG0 = (((flash_pagesize >> 9) - 1) << 6) /* 4/8 cw/pg for 2/4k */ |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 675 | | (516 << 9) /* 516 user data bytes */ |
| 676 | | (10 << 19) /* 10 parity bytes */ |
| 677 | | (5 << 27) /* 5 address cycles */ |
| 678 | | (1 << 30) /* Read status before data */ |
| 679 | | (1 << 31) /* Send read cmd */ |
| 680 | /* 0 spare bytes for 16 bit nand or 1 spare bytes for 8 bit */ |
| 681 | | ((nand_cfg1 & CFG1_WIDE_FLASH) ? (0 << 23) : (1 << 23)); |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 682 | CFG1 = (0 << 0) /* Enable ecc */ |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 683 | | (7 << 2) /* 8 recovery cycles */ |
| 684 | | (0 << 5) /* Allow CS deassertion */ |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 685 | | ((flash_pagesize - (528 * ((flash_pagesize >> 9) - 1)) + 1) << 6) /* Bad block marker location */ |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 686 | | (0 << 16) /* Bad block in user data area */ |
| 687 | | (2 << 17) /* 6 cycle tWB/tRB */ |
| 688 | | (nand_cfg1 & CFG1_WIDE_FLASH); /* preserve wide flash flag */ |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 689 | |
| 690 | dprintf(INFO, "nandcfg: %x %x (used)\n", CFG0, CFG1); |
| 691 | |
| 692 | return 0; |
| 693 | } |
| 694 | |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 695 | /* OneNAND programming functions */ |
| 696 | |
| 697 | static void flash_onenand_read_id(dmov_s *cmdlist, unsigned *ptrlist) |
| 698 | { |
| 699 | dmov_s *cmd = cmdlist; |
| 700 | unsigned *ptr = ptrlist; |
| 701 | unsigned *data = ptrlist + 4; |
| 702 | |
| 703 | data[0] = SFLASH_BCFG; |
| 704 | data[1] = SFLASH_PREPCMD(8, 0, 0, NAND_SFCMD_DATXS, NAND_SFCMD_ASYNC, NAND_SFCMD_REGRD); |
| 705 | data[2] = (ONENAND_DEVICE_ID << 16) | (ONENAND_MANUFACTURER_ID); |
| 706 | data[3] = (ONENAND_DATA_BUFFER_SIZE << 16) | (ONENAND_VERSION_ID); |
| 707 | data[4] = (ONENAND_AMOUNT_OF_BUFFERS << 16) | (ONENAND_BOOT_BUFFER_SIZE); |
| 708 | data[5] = (CLEAN_DATA_16 << 16) | (ONENAND_TECHNOLOGY); |
| 709 | data[6] = CLEAN_DATA_32; //status |
| 710 | data[7] = CLEAN_DATA_32; //register read |
| 711 | data[8] = CLEAN_DATA_32; //register read |
| 712 | data[9] = CLEAN_DATA_32; //register read |
| 713 | data[10] = CLEAN_DATA_32; //register read |
| 714 | data[11] = 1; |
| 715 | data[12] = 0 | 4; |
| 716 | |
| 717 | /* Setup controller in SFLASH mode */ |
| 718 | cmd[0].cmd = 0 | CMD_OCB; |
| 719 | cmd[0].src = paddr(&data[0]); |
| 720 | cmd[0].dst = NAND_SFLASHC_BURST_CFG; |
| 721 | cmd[0].len = 4; |
| 722 | |
| 723 | /* Enable data mover for controller */ |
| 724 | cmd[1].cmd = 0; |
| 725 | cmd[1].src = paddr(&data[12]); |
| 726 | cmd[1].dst = NAND_FLASH_CHIP_SELECT; |
| 727 | cmd[1].len = 4; |
| 728 | |
| 729 | /* Setup SFLASHC_CMD with xfers in async mode */ |
| 730 | cmd[2].cmd = DST_CRCI_NAND_CMD; |
| 731 | cmd[2].src = paddr(&data[1]); |
| 732 | cmd[2].dst = NAND_SFLASHC_CMD; |
| 733 | cmd[2].len = 4; |
| 734 | |
| 735 | /* Setup to read device information */ |
| 736 | cmd[3].cmd = 0; |
| 737 | cmd[3].src = paddr(&data[2]); |
| 738 | cmd[3].dst = NAND_ADDR0; |
| 739 | cmd[3].len = 8; |
| 740 | |
| 741 | cmd[4].cmd = 0; |
| 742 | cmd[4].src = paddr(&data[4]); |
| 743 | cmd[4].dst = NAND_ADDR2; |
| 744 | cmd[4].len = 8; |
| 745 | |
| 746 | /* Set execute bit */ |
| 747 | cmd[5].cmd = 0; |
| 748 | cmd[5].src = paddr(&data[11]); |
| 749 | cmd[5].dst = NAND_SFLASHC_EXEC_CMD; |
| 750 | cmd[5].len = 4; |
| 751 | |
| 752 | /* Check status */ |
| 753 | cmd[6].cmd = SRC_CRCI_NAND_DATA; |
| 754 | cmd[6].src = NAND_SFLASHC_STATUS; |
| 755 | cmd[6].dst = paddr(&data[6]); |
| 756 | cmd[6].len = 4; |
| 757 | |
| 758 | /* Read result device registers */ |
| 759 | cmd[7].cmd = 0 | CMD_OCU | CMD_LC; |
| 760 | cmd[7].src = NAND_GENP_REG0; |
| 761 | cmd[7].dst = paddr(&data[7]); |
| 762 | cmd[7].len = 16; |
| 763 | |
| 764 | ptr[0] = (paddr(cmd) >> 3) | CMD_PTR_LP; |
| 765 | |
| 766 | dmov_exec_cmdptr(DMOV_NAND_CHAN, ptr); |
| 767 | |
| 768 | #if VERBOSE |
| 769 | dprintf(INFO, "status: %x\n", data[6]); |
| 770 | #endif |
| 771 | |
| 772 | flash_info.id = data[7]; |
| 773 | flash_info.vendor = data[7] & CLEAN_DATA_16; |
| 774 | flash_info.device = (data[7] >> 16) & CLEAN_DATA_16; |
| 775 | return; |
| 776 | } |
| 777 | |
| 778 | |
| 779 | struct data_onenand_erase { |
| 780 | unsigned sfbcfg; |
| 781 | unsigned sfcmd[4]; |
| 782 | unsigned sfexec; |
| 783 | unsigned sfstat[4]; |
| 784 | unsigned addr0; |
| 785 | unsigned addr1; |
| 786 | unsigned addr2; |
| 787 | unsigned addr3; |
| 788 | unsigned addr4; |
| 789 | unsigned addr5; |
| 790 | unsigned addr6; |
| 791 | unsigned data0; |
| 792 | unsigned data1; |
| 793 | unsigned data2; |
| 794 | unsigned data3; |
| 795 | unsigned data4; |
| 796 | unsigned data5; |
| 797 | unsigned data6; |
| 798 | }; |
| 799 | |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 800 | |
| 801 | static int _flash_onenand_read_page(dmov_s *cmdlist, unsigned *ptrlist, |
| 802 | unsigned page, void *_addr, |
| 803 | void *_spareaddr, unsigned raw_mode); |
| 804 | |
| 805 | |
| 806 | static int flash_onenand_block_isbad(dmov_s *cmdlist, unsigned *ptrlist, |
| 807 | unsigned page) |
| 808 | { |
| 809 | unsigned char page_data[2112]; |
| 810 | unsigned char *oobptr = &(page_data[2048]); |
| 811 | |
| 812 | /* Going to first page of the block */ |
| 813 | if(page & 63) |
| 814 | page = page - (page & 63); |
| 815 | |
| 816 | /* Reading page in raw mode */ |
| 817 | if (_flash_onenand_read_page(cmdlist, ptrlist,page, page_data, 0, 1)) |
| 818 | return 1; |
| 819 | |
| 820 | /* Checking if block is bad */ |
| 821 | if ((oobptr[0] != 0xFF) || (oobptr[1] != 0xFF) || |
| 822 | (oobptr[16] != 0xFF) || (oobptr[17] != 0xFF) || |
| 823 | (oobptr[32] != 0xFF) || (oobptr[33] != 0xFF) || |
| 824 | (oobptr[48] != 0xFF) || (oobptr[49] != 0xFF) |
| 825 | ) |
| 826 | { |
| 827 | return 1; |
| 828 | } |
| 829 | return 0; |
| 830 | } |
| 831 | |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 832 | static int flash_onenand_erase_block(dmov_s *cmdlist, unsigned *ptrlist, |
| 833 | unsigned page) |
| 834 | { |
| 835 | dmov_s *cmd = cmdlist; |
| 836 | unsigned *ptr = ptrlist; |
| 837 | struct data_onenand_erase *data = (void *)ptrlist + 4; |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 838 | int isbad = 0; |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 839 | unsigned erasesize = (flash_pagesize << 6); |
| 840 | unsigned onenand_startaddr1 = DEVICE_FLASHCORE_0 | (page * flash_pagesize)/erasesize; |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 841 | unsigned onenand_startaddr8 = 0x0000; |
| 842 | unsigned onenand_startaddr2 = DEVICE_BUFFERRAM_0 << 15; |
| 843 | unsigned onenand_startbuffer = DATARAM0_0 << 8; |
| 844 | |
| 845 | unsigned controller_status; |
| 846 | unsigned interrupt_status; |
| 847 | unsigned ecc_status; |
| 848 | |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 849 | if((page * flash_pagesize) & (erasesize-1)) return -1; |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 850 | |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 851 | /* Check for bad block and erase only if block is not marked bad */ |
| 852 | isbad = flash_onenand_block_isbad(cmdlist, ptrlist, page); |
| 853 | if (isbad) |
| 854 | { |
| 855 | dprintf(INFO, "skipping @ %d (bad block)\n", page >> 6); |
| 856 | return -1; |
| 857 | } |
| 858 | |
| 859 | /*Erase block*/ |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 860 | onenand_startaddr1 = DEVICE_FLASHCORE_0 | |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 861 | ((page * flash_pagesize) / (erasesize)); |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 862 | onenand_startaddr8 = 0x0000; |
| 863 | onenand_startaddr2 = DEVICE_BUFFERRAM_0 << 15; |
| 864 | onenand_startbuffer = DATARAM0_0 << 8; |
| 865 | |
| 866 | |
| 867 | data->sfbcfg = SFLASH_BCFG; |
| 868 | data->sfcmd[0] = SFLASH_PREPCMD(7, 0, 0, |
| 869 | NAND_SFCMD_CMDXS, |
| 870 | NAND_SFCMD_ASYNC, |
| 871 | NAND_SFCMD_REGWR); |
| 872 | data->sfcmd[1] = SFLASH_PREPCMD(0, 0, 32, |
| 873 | NAND_SFCMD_CMDXS, |
| 874 | NAND_SFCMD_ASYNC, |
| 875 | NAND_SFCMD_INTHI); |
| 876 | data->sfcmd[2] = SFLASH_PREPCMD(3, 7, 0, |
| 877 | NAND_SFCMD_DATXS, |
| 878 | NAND_SFCMD_ASYNC, |
| 879 | NAND_SFCMD_REGRD); |
| 880 | data->sfcmd[3] = SFLASH_PREPCMD(4, 10, 0, |
| 881 | NAND_SFCMD_CMDXS, |
| 882 | NAND_SFCMD_ASYNC, |
| 883 | NAND_SFCMD_REGWR); |
| 884 | data->sfexec = 1; |
| 885 | data->sfstat[0] = CLEAN_DATA_32; |
| 886 | data->sfstat[1] = CLEAN_DATA_32; |
| 887 | data->sfstat[2] = CLEAN_DATA_32; |
| 888 | data->sfstat[3] = CLEAN_DATA_32; |
| 889 | data->addr0 = (ONENAND_INTERRUPT_STATUS << 16) | |
| 890 | (ONENAND_SYSTEM_CONFIG_1); |
| 891 | data->addr1 = (ONENAND_START_ADDRESS_8 << 16) | |
| 892 | (ONENAND_START_ADDRESS_1); |
| 893 | data->addr2 = (ONENAND_START_BUFFER << 16) | |
| 894 | (ONENAND_START_ADDRESS_2); |
| 895 | data->addr3 = (ONENAND_ECC_STATUS << 16) | |
| 896 | (ONENAND_COMMAND); |
| 897 | data->addr4 = (ONENAND_CONTROLLER_STATUS << 16) | |
| 898 | (ONENAND_INTERRUPT_STATUS); |
| 899 | data->addr5 = (ONENAND_INTERRUPT_STATUS << 16) | |
| 900 | (ONENAND_SYSTEM_CONFIG_1); |
| 901 | data->addr6 = (ONENAND_START_ADDRESS_3 << 16) | |
| 902 | (ONENAND_START_ADDRESS_1); |
| 903 | data->data0 = (ONENAND_CLRINTR << 16) | |
| 904 | (ONENAND_SYSCFG1_ECCENA); |
| 905 | data->data1 = (onenand_startaddr8 << 16) | |
| 906 | (onenand_startaddr1); |
| 907 | data->data2 = (onenand_startbuffer << 16) | |
| 908 | (onenand_startaddr2); |
| 909 | data->data3 = (CLEAN_DATA_16 << 16) | |
| 910 | (ONENAND_CMDERAS); |
| 911 | data->data4 = (CLEAN_DATA_16 << 16) | |
| 912 | (CLEAN_DATA_16); |
| 913 | data->data5 = (ONENAND_CLRINTR << 16) | |
| 914 | (ONENAND_SYSCFG1_ECCENA); |
| 915 | data->data6 = (ONENAND_STARTADDR3_RES << 16) | |
| 916 | (ONENAND_STARTADDR1_RES); |
| 917 | |
| 918 | /***************************************************************/ |
| 919 | /* Write the necessary address registers in the onenand device */ |
| 920 | /***************************************************************/ |
| 921 | |
| 922 | /* Enable and configure the SFlash controller */ |
| 923 | cmd->cmd = 0 | CMD_OCB; |
| 924 | cmd->src = paddr(&data->sfbcfg); |
| 925 | cmd->dst = NAND_SFLASHC_BURST_CFG; |
| 926 | cmd->len = 4; |
| 927 | cmd++; |
| 928 | |
| 929 | /* Block on cmd ready and write CMD register */ |
| 930 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 931 | cmd->src = paddr(&data->sfcmd[0]); |
| 932 | cmd->dst = NAND_SFLASHC_CMD; |
| 933 | cmd->len = 4; |
| 934 | cmd++; |
| 935 | |
| 936 | /* Write the ADDR0 and ADDR1 registers */ |
| 937 | cmd->cmd = 0; |
| 938 | cmd->src = paddr(&data->addr0); |
| 939 | cmd->dst = NAND_ADDR0; |
| 940 | cmd->len = 8; |
| 941 | cmd++; |
| 942 | |
| 943 | /* Write the ADDR2 ADDR3 ADDR4 ADDR5 registers */ |
| 944 | cmd->cmd = 0; |
| 945 | cmd->src = paddr(&data->addr2); |
| 946 | cmd->dst = NAND_ADDR2; |
| 947 | cmd->len = 16; |
| 948 | cmd++; |
| 949 | |
| 950 | /* Write the ADDR6 registers */ |
| 951 | cmd->cmd = 0; |
| 952 | cmd->src = paddr(&data->addr6); |
| 953 | cmd->dst = NAND_ADDR6; |
| 954 | cmd->len = 4; |
| 955 | cmd++; |
| 956 | |
| 957 | /* Write the GENP0, GENP1, GENP2, GENP3, GENP4 registers */ |
| 958 | cmd->cmd = 0; |
| 959 | cmd->src = paddr(&data->data0); |
| 960 | cmd->dst = NAND_GENP_REG0; |
| 961 | cmd->len = 16; |
| 962 | cmd++; |
| 963 | |
| 964 | /* Write the FLASH_DEV_CMD4,5,6 registers */ |
| 965 | cmd->cmd = 0; |
| 966 | cmd->src = paddr(&data->data4); |
| 967 | cmd->dst = NAND_DEV_CMD4; |
| 968 | cmd->len = 12; |
| 969 | cmd++; |
| 970 | |
| 971 | /* Kick the execute command */ |
| 972 | cmd->cmd = 0; |
| 973 | cmd->src = paddr(&data->sfexec); |
| 974 | cmd->dst = NAND_SFLASHC_EXEC_CMD; |
| 975 | cmd->len = 4; |
| 976 | cmd++; |
| 977 | |
| 978 | /* Block on data ready, and read the status register */ |
| 979 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 980 | cmd->src = NAND_SFLASHC_STATUS; |
| 981 | cmd->dst = paddr(&data->sfstat[0]); |
| 982 | cmd->len = 4; |
| 983 | cmd++; |
| 984 | |
| 985 | /***************************************************************/ |
| 986 | /* Wait for the interrupt from the Onenand device controller */ |
| 987 | /***************************************************************/ |
| 988 | |
| 989 | /* Block on cmd ready and write CMD register */ |
| 990 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 991 | cmd->src = paddr(&data->sfcmd[1]); |
| 992 | cmd->dst = NAND_SFLASHC_CMD; |
| 993 | cmd->len = 4; |
| 994 | cmd++; |
| 995 | |
| 996 | /* Kick the execute command */ |
| 997 | cmd->cmd = 0; |
| 998 | cmd->src = paddr(&data->sfexec); |
| 999 | cmd->dst = NAND_SFLASHC_EXEC_CMD; |
| 1000 | cmd->len = 4; |
| 1001 | cmd++; |
| 1002 | |
| 1003 | /* Block on data ready, and read the status register */ |
| 1004 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 1005 | cmd->src = NAND_SFLASHC_STATUS; |
| 1006 | cmd->dst = paddr(&data->sfstat[1]); |
| 1007 | cmd->len = 4; |
| 1008 | cmd++; |
| 1009 | |
| 1010 | /***************************************************************/ |
| 1011 | /* Read the necessary status registers from the onenand device */ |
| 1012 | /***************************************************************/ |
| 1013 | |
| 1014 | /* Block on cmd ready and write CMD register */ |
| 1015 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 1016 | cmd->src = paddr(&data->sfcmd[2]); |
| 1017 | cmd->dst = NAND_SFLASHC_CMD; |
| 1018 | cmd->len = 4; |
| 1019 | cmd++; |
| 1020 | |
| 1021 | /* Kick the execute command */ |
| 1022 | cmd->cmd = 0; |
| 1023 | cmd->src = paddr(&data->sfexec); |
| 1024 | cmd->dst = NAND_SFLASHC_EXEC_CMD; |
| 1025 | cmd->len = 4; |
| 1026 | cmd++; |
| 1027 | |
| 1028 | /* Block on data ready, and read the status register */ |
| 1029 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 1030 | cmd->src = NAND_SFLASHC_STATUS; |
| 1031 | cmd->dst = paddr(&data->sfstat[2]); |
| 1032 | cmd->len = 4; |
| 1033 | cmd++; |
| 1034 | |
| 1035 | /* Read the GENP3 register */ |
| 1036 | cmd->cmd = 0; |
| 1037 | cmd->src = NAND_GENP_REG3; |
| 1038 | cmd->dst = paddr(&data->data3); |
| 1039 | cmd->len = 4; |
| 1040 | cmd++; |
| 1041 | |
| 1042 | /* Read the DEVCMD4 register */ |
| 1043 | cmd->cmd = 0; |
| 1044 | cmd->src = NAND_DEV_CMD4; |
| 1045 | cmd->dst = paddr(&data->data4); |
| 1046 | cmd->len = 4; |
| 1047 | cmd++; |
| 1048 | |
| 1049 | /***************************************************************/ |
| 1050 | /* Restore the necessary registers to proper values */ |
| 1051 | /***************************************************************/ |
| 1052 | |
| 1053 | /* Block on cmd ready and write CMD register */ |
| 1054 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 1055 | cmd->src = paddr(&data->sfcmd[3]); |
| 1056 | cmd->dst = NAND_SFLASHC_CMD; |
| 1057 | cmd->len = 4; |
| 1058 | cmd++; |
| 1059 | |
| 1060 | /* Kick the execute command */ |
| 1061 | cmd->cmd = 0; |
| 1062 | cmd->src = paddr(&data->sfexec); |
| 1063 | cmd->dst = NAND_SFLASHC_EXEC_CMD; |
| 1064 | cmd->len = 4; |
| 1065 | cmd++; |
| 1066 | |
| 1067 | /* Block on data ready, and read the status register */ |
| 1068 | cmd->cmd = SRC_CRCI_NAND_DATA | CMD_OCU | CMD_LC; |
| 1069 | cmd->src = NAND_SFLASHC_STATUS; |
| 1070 | cmd->dst = paddr(&data->sfstat[3]); |
| 1071 | cmd->len = 4; |
| 1072 | cmd++; |
| 1073 | |
| 1074 | ptr[0] = (paddr(cmdlist) >> 3) | CMD_PTR_LP; |
| 1075 | |
| 1076 | dmov_exec_cmdptr(DMOV_NAND_CHAN, ptr); |
| 1077 | |
| 1078 | ecc_status = (data->data3 >> 16) & 0x0000FFFF; |
| 1079 | interrupt_status = (data->data4 >> 0) & 0x0000FFFF; |
| 1080 | controller_status = (data->data4 >> 16) & 0x0000FFFF; |
| 1081 | |
| 1082 | #if VERBOSE |
| 1083 | dprintf(INFO, "\n%s: sflash status %x %x %x %x\n", __func__, |
| 1084 | data->sfstat[0], |
| 1085 | data->sfstat[1], |
| 1086 | data->sfstat[2], |
| 1087 | data->sfstat[3]); |
| 1088 | |
| 1089 | dprintf(INFO, "%s: controller_status = %x\n", __func__, |
| 1090 | controller_status); |
| 1091 | dprintf(INFO, "%s: interrupt_status = %x\n", __func__, |
| 1092 | interrupt_status); |
| 1093 | dprintf(INFO, "%s: ecc_status = %x\n", __func__, |
| 1094 | ecc_status); |
| 1095 | #endif |
| 1096 | /* Check for errors, protection violations etc */ |
| 1097 | if ((controller_status != 0) |
| 1098 | || (data->sfstat[0] & 0x110) |
| 1099 | || (data->sfstat[1] & 0x110) |
| 1100 | || (data->sfstat[2] & 0x110) |
| 1101 | || (data->sfstat[3] & 0x110)) { |
| 1102 | dprintf(CRITICAL, "%s: ECC/MPU/OP error\n", __func__); |
| 1103 | return -1; |
| 1104 | } |
| 1105 | |
| 1106 | |
| 1107 | #if VERBOSE |
| 1108 | dprintf(INFO, "status: %x\n", data[5]); |
| 1109 | #endif |
| 1110 | |
| 1111 | return 0; |
| 1112 | } |
| 1113 | |
| 1114 | |
| 1115 | struct data_onenand_read { |
| 1116 | unsigned sfbcfg; |
| 1117 | unsigned sfcmd[9]; |
| 1118 | unsigned sfexec; |
| 1119 | unsigned sfstat[9]; |
| 1120 | unsigned addr0; |
| 1121 | unsigned addr1; |
| 1122 | unsigned addr2; |
| 1123 | unsigned addr3; |
| 1124 | unsigned addr4; |
| 1125 | unsigned addr5; |
| 1126 | unsigned addr6; |
| 1127 | unsigned data0; |
| 1128 | unsigned data1; |
| 1129 | unsigned data2; |
| 1130 | unsigned data3; |
| 1131 | unsigned data4; |
| 1132 | unsigned data5; |
| 1133 | unsigned data6; |
| 1134 | unsigned macro[5]; |
| 1135 | }; |
| 1136 | |
| 1137 | |
| 1138 | static int _flash_onenand_read_page(dmov_s *cmdlist, unsigned *ptrlist, |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 1139 | unsigned page, void *_addr, void *_spareaddr, |
| 1140 | unsigned raw_mode) |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 1141 | { |
| 1142 | dmov_s *cmd = cmdlist; |
| 1143 | unsigned *ptr = ptrlist; |
| 1144 | struct data_onenand_read *data = (void*) (ptrlist + 4); |
| 1145 | unsigned addr = (unsigned) _addr; |
| 1146 | unsigned curr_addr = (unsigned) _addr; |
| 1147 | unsigned spareaddr = (unsigned) _spareaddr; |
| 1148 | unsigned i; |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 1149 | unsigned erasesize = (flash_pagesize<<6); |
| 1150 | unsigned writesize = flash_pagesize; |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 1151 | |
| 1152 | unsigned onenand_startaddr1 = DEVICE_FLASHCORE_0 | |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 1153 | ((unsigned)(page * flash_pagesize) / erasesize); |
| 1154 | unsigned onenand_startaddr8 = (((unsigned)(page * flash_pagesize) & |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 1155 | (erasesize - 1)) / writesize) << 2; |
| 1156 | unsigned onenand_startaddr2 = DEVICE_BUFFERRAM_0 << 15; |
| 1157 | unsigned onenand_startbuffer = DATARAM0_0 << 8; |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 1158 | unsigned onenand_sysconfig1 = (raw_mode == 1) ? ONENAND_SYSCFG1_ECCDIS :\ |
| 1159 | ONENAND_SYSCFG1_ECCENA; |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 1160 | |
| 1161 | unsigned controller_status; |
| 1162 | unsigned interrupt_status; |
| 1163 | unsigned ecc_status; |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 1164 | if (raw_mode != 1) |
| 1165 | { |
| 1166 | int isbad = 0; |
| 1167 | isbad = flash_onenand_block_isbad(cmdlist, ptrlist, page); |
| 1168 | if (isbad) |
| 1169 | return -2; |
| 1170 | } |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 1171 | |
| 1172 | //static int oobfree_offset[8] = {2, 14, 18, 30, 34, 46, 50, 62}; |
| 1173 | //static int oobfree_length[8] = {3, 2, 3, 2, 3, 2, 3, 2}; |
| 1174 | |
| 1175 | data->sfbcfg = SFLASH_BCFG; |
| 1176 | data->sfcmd[0] = SFLASH_PREPCMD(7, 0, 0, |
| 1177 | NAND_SFCMD_CMDXS, |
| 1178 | NAND_SFCMD_ASYNC, |
| 1179 | NAND_SFCMD_REGWR); |
| 1180 | data->sfcmd[1] = SFLASH_PREPCMD(0, 0, 32, |
| 1181 | NAND_SFCMD_CMDXS, |
| 1182 | NAND_SFCMD_ASYNC, |
| 1183 | NAND_SFCMD_INTHI); |
| 1184 | data->sfcmd[2] = SFLASH_PREPCMD(3, 7, 0, |
| 1185 | NAND_SFCMD_DATXS, |
| 1186 | NAND_SFCMD_ASYNC, |
| 1187 | NAND_SFCMD_REGRD); |
| 1188 | data->sfcmd[3] = SFLASH_PREPCMD(256, 0, 0, |
| 1189 | NAND_SFCMD_DATXS, |
| 1190 | NAND_SFCMD_ASYNC, |
| 1191 | NAND_SFCMD_DATRD); |
| 1192 | data->sfcmd[4] = SFLASH_PREPCMD(256, 0, 0, |
| 1193 | NAND_SFCMD_DATXS, |
| 1194 | NAND_SFCMD_ASYNC, |
| 1195 | NAND_SFCMD_DATRD); |
| 1196 | data->sfcmd[5] = SFLASH_PREPCMD(256, 0, 0, |
| 1197 | NAND_SFCMD_DATXS, |
| 1198 | NAND_SFCMD_ASYNC, |
| 1199 | NAND_SFCMD_DATRD); |
| 1200 | data->sfcmd[6] = SFLASH_PREPCMD(256, 0, 0, |
| 1201 | NAND_SFCMD_DATXS, |
| 1202 | NAND_SFCMD_ASYNC, |
| 1203 | NAND_SFCMD_DATRD); |
| 1204 | data->sfcmd[7] = SFLASH_PREPCMD(32, 0, 0, |
| 1205 | NAND_SFCMD_DATXS, |
| 1206 | NAND_SFCMD_ASYNC, |
| 1207 | NAND_SFCMD_DATRD); |
| 1208 | data->sfcmd[8] = SFLASH_PREPCMD(4, 10, 0, |
| 1209 | NAND_SFCMD_CMDXS, |
| 1210 | NAND_SFCMD_ASYNC, |
| 1211 | NAND_SFCMD_REGWR); |
| 1212 | data->sfexec = 1; |
| 1213 | data->sfstat[0] = CLEAN_DATA_32; |
| 1214 | data->sfstat[1] = CLEAN_DATA_32; |
| 1215 | data->sfstat[2] = CLEAN_DATA_32; |
| 1216 | data->sfstat[3] = CLEAN_DATA_32; |
| 1217 | data->sfstat[4] = CLEAN_DATA_32; |
| 1218 | data->sfstat[5] = CLEAN_DATA_32; |
| 1219 | data->sfstat[6] = CLEAN_DATA_32; |
| 1220 | data->sfstat[7] = CLEAN_DATA_32; |
| 1221 | data->sfstat[8] = CLEAN_DATA_32; |
| 1222 | |
| 1223 | data->addr0 = (ONENAND_INTERRUPT_STATUS << 16) | |
| 1224 | (ONENAND_SYSTEM_CONFIG_1); |
| 1225 | data->addr1 = (ONENAND_START_ADDRESS_8 << 16) | |
| 1226 | (ONENAND_START_ADDRESS_1); |
| 1227 | data->addr2 = (ONENAND_START_BUFFER << 16) | |
| 1228 | (ONENAND_START_ADDRESS_2); |
| 1229 | data->addr3 = (ONENAND_ECC_STATUS << 16) | |
| 1230 | (ONENAND_COMMAND); |
| 1231 | data->addr4 = (ONENAND_CONTROLLER_STATUS << 16) | |
| 1232 | (ONENAND_INTERRUPT_STATUS); |
| 1233 | data->addr5 = (ONENAND_INTERRUPT_STATUS << 16) | |
| 1234 | (ONENAND_SYSTEM_CONFIG_1); |
| 1235 | data->addr6 = (ONENAND_START_ADDRESS_3 << 16) | |
| 1236 | (ONENAND_START_ADDRESS_1); |
| 1237 | data->data0 = (ONENAND_CLRINTR << 16) | |
| 1238 | (onenand_sysconfig1); |
| 1239 | data->data1 = (onenand_startaddr8 << 16) | |
| 1240 | (onenand_startaddr1); |
| 1241 | data->data2 = (onenand_startbuffer << 16) | |
| 1242 | (onenand_startaddr2); |
| 1243 | data->data3 = (CLEAN_DATA_16 << 16) | |
| 1244 | (ONENAND_CMDLOADSPARE); |
| 1245 | data->data4 = (CLEAN_DATA_16 << 16) | |
| 1246 | (CLEAN_DATA_16); |
| 1247 | data->data5 = (ONENAND_CLRINTR << 16) | |
| 1248 | (ONENAND_SYSCFG1_ECCENA); |
| 1249 | data->data6 = (ONENAND_STARTADDR3_RES << 16) | |
| 1250 | (ONENAND_STARTADDR1_RES); |
| 1251 | data->macro[0] = 0x0200; |
| 1252 | data->macro[1] = 0x0300; |
| 1253 | data->macro[2] = 0x0400; |
| 1254 | data->macro[3] = 0x0500; |
| 1255 | data->macro[4] = 0x8010; |
| 1256 | |
| 1257 | /*************************************************************/ |
| 1258 | /* Write necessary address registers in the onenand device */ |
| 1259 | /*************************************************************/ |
| 1260 | |
| 1261 | /* Enable and configure the SFlash controller */ |
| 1262 | cmd->cmd = 0 | CMD_OCB; |
| 1263 | cmd->src = paddr(&data->sfbcfg); |
| 1264 | cmd->dst = NAND_SFLASHC_BURST_CFG; |
| 1265 | cmd->len = 4; |
| 1266 | cmd++; |
| 1267 | |
| 1268 | /* Block on cmd ready and write CMD register */ |
| 1269 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 1270 | cmd->src = paddr(&data->sfcmd[0]); |
| 1271 | cmd->dst = NAND_SFLASHC_CMD; |
| 1272 | cmd->len = 4; |
| 1273 | cmd++; |
| 1274 | |
| 1275 | /* Write the ADDR0 and ADDR1 registers */ |
| 1276 | cmd->cmd = 0; |
| 1277 | cmd->src = paddr(&data->addr0); |
| 1278 | cmd->dst = NAND_ADDR0; |
| 1279 | cmd->len = 8; |
| 1280 | cmd++; |
| 1281 | |
| 1282 | /* Write the ADDR2 ADDR3 ADDR4 ADDR5 registers */ |
| 1283 | cmd->cmd = 0; |
| 1284 | cmd->src = paddr(&data->addr2); |
| 1285 | cmd->dst = NAND_ADDR2; |
| 1286 | cmd->len = 16; |
| 1287 | cmd++; |
| 1288 | |
| 1289 | /* Write the ADDR6 registers */ |
| 1290 | cmd->cmd = 0; |
| 1291 | cmd->src = paddr(&data->addr6); |
| 1292 | cmd->dst = NAND_ADDR6; |
| 1293 | cmd->len = 4; |
| 1294 | cmd++; |
| 1295 | |
| 1296 | /* Write the GENP0, GENP1, GENP2, GENP3 registers */ |
| 1297 | cmd->cmd = 0; |
| 1298 | cmd->src = paddr(&data->data0); |
| 1299 | cmd->dst = NAND_GENP_REG0; |
| 1300 | cmd->len = 16; |
| 1301 | cmd++; |
| 1302 | |
| 1303 | /* Write the FLASH_DEV_CMD4,5,6 registers */ |
| 1304 | cmd->cmd = 0; |
| 1305 | cmd->src = paddr(&data->data4); |
| 1306 | cmd->dst = NAND_DEV_CMD4; |
| 1307 | cmd->len = 12; |
| 1308 | cmd++; |
| 1309 | |
| 1310 | /* Kick the execute command */ |
| 1311 | cmd->cmd = 0; |
| 1312 | cmd->src = paddr(&data->sfexec); |
| 1313 | cmd->dst = NAND_SFLASHC_EXEC_CMD; |
| 1314 | cmd->len = 4; |
| 1315 | cmd++; |
| 1316 | |
| 1317 | /* Block on data ready, and read the status register */ |
| 1318 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 1319 | cmd->src = NAND_SFLASHC_STATUS; |
| 1320 | cmd->dst = paddr(&data->sfstat[0]); |
| 1321 | cmd->len = 4; |
| 1322 | cmd++; |
| 1323 | |
| 1324 | /*************************************************************/ |
| 1325 | /* Wait for the interrupt from the Onenand device controller */ |
| 1326 | /*************************************************************/ |
| 1327 | |
| 1328 | /* Block on cmd ready and write CMD register */ |
| 1329 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 1330 | cmd->src = paddr(&data->sfcmd[1]); |
| 1331 | cmd->dst = NAND_SFLASHC_CMD; |
| 1332 | cmd->len = 4; |
| 1333 | cmd++; |
| 1334 | |
| 1335 | /* Kick the execute command */ |
| 1336 | cmd->cmd = 0; |
| 1337 | cmd->src = paddr(&data->sfexec); |
| 1338 | cmd->dst = NAND_SFLASHC_EXEC_CMD; |
| 1339 | cmd->len = 4; |
| 1340 | cmd++; |
| 1341 | |
| 1342 | /* Block on data ready, and read the status register */ |
| 1343 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 1344 | cmd->src = NAND_SFLASHC_STATUS; |
| 1345 | cmd->dst = paddr(&data->sfstat[1]); |
| 1346 | cmd->len = 4; |
| 1347 | cmd++; |
| 1348 | |
| 1349 | |
| 1350 | /*************************************************************/ |
| 1351 | /* Read necessary status registers from the onenand device */ |
| 1352 | /*************************************************************/ |
| 1353 | |
| 1354 | /* Block on cmd ready and write CMD register */ |
| 1355 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 1356 | cmd->src = paddr(&data->sfcmd[2]); |
| 1357 | cmd->dst = NAND_SFLASHC_CMD; |
| 1358 | cmd->len = 4; |
| 1359 | cmd++; |
| 1360 | |
| 1361 | /* Kick the execute command */ |
| 1362 | cmd->cmd = 0; |
| 1363 | cmd->src = paddr(&data->sfexec); |
| 1364 | cmd->dst = NAND_SFLASHC_EXEC_CMD; |
| 1365 | cmd->len = 4; |
| 1366 | cmd++; |
| 1367 | |
| 1368 | /* Block on data ready, and read the status register */ |
| 1369 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 1370 | cmd->src = NAND_SFLASHC_STATUS; |
| 1371 | cmd->dst = paddr(&data->sfstat[2]); |
| 1372 | cmd->len = 4; |
| 1373 | cmd++; |
| 1374 | |
| 1375 | /* Read the GENP3 register */ |
| 1376 | cmd->cmd = 0; |
| 1377 | cmd->src = NAND_GENP_REG3; |
| 1378 | cmd->dst = paddr(&data->data3); |
| 1379 | cmd->len = 4; |
| 1380 | cmd++; |
| 1381 | |
| 1382 | /* Read the DEVCMD4 register */ |
| 1383 | cmd->cmd = 0; |
| 1384 | cmd->src = NAND_DEV_CMD4; |
| 1385 | cmd->dst = paddr(&data->data4); |
| 1386 | cmd->len = 4; |
| 1387 | cmd++; |
| 1388 | |
| 1389 | |
| 1390 | /*************************************************************/ |
| 1391 | /* Read the data ram area from the onenand buffer ram */ |
| 1392 | /*************************************************************/ |
| 1393 | |
| 1394 | if (addr) { |
| 1395 | |
| 1396 | data->data3 = (CLEAN_DATA_16 << 16) | |
| 1397 | (ONENAND_CMDLOAD); |
| 1398 | |
| 1399 | for (i = 0; i < 4; i++) { |
| 1400 | |
| 1401 | /* Block on cmd ready and write CMD register */ |
| 1402 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 1403 | cmd->src = paddr(&data->sfcmd[3+i]); |
| 1404 | cmd->dst = NAND_SFLASHC_CMD; |
| 1405 | cmd->len = 4; |
| 1406 | cmd++; |
| 1407 | |
| 1408 | /* Write the MACRO1 register */ |
| 1409 | cmd->cmd = 0; |
| 1410 | cmd->src = paddr(&data->macro[i]); |
| 1411 | cmd->dst = NAND_MACRO1_REG; |
| 1412 | cmd->len = 4; |
| 1413 | cmd++; |
| 1414 | |
| 1415 | /* Kick the execute command */ |
| 1416 | cmd->cmd = 0; |
| 1417 | cmd->src = paddr(&data->sfexec); |
| 1418 | cmd->dst = NAND_SFLASHC_EXEC_CMD; |
| 1419 | cmd->len = 4; |
| 1420 | cmd++; |
| 1421 | |
| 1422 | /* Block on data rdy, & read status register */ |
| 1423 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 1424 | cmd->src = NAND_SFLASHC_STATUS; |
| 1425 | cmd->dst = paddr(&data->sfstat[3+i]); |
| 1426 | cmd->len = 4; |
| 1427 | cmd++; |
| 1428 | |
| 1429 | /* Transfer nand ctlr buf contents to usr buf */ |
| 1430 | cmd->cmd = 0; |
| 1431 | cmd->src = NAND_FLASH_BUFFER; |
| 1432 | cmd->dst = curr_addr; |
| 1433 | cmd->len = 512; |
| 1434 | curr_addr += 512; |
| 1435 | cmd++; |
| 1436 | } |
| 1437 | } |
| 1438 | |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 1439 | /* Read oob bytes in Raw Mode */ |
| 1440 | if (raw_mode == 1) |
| 1441 | { |
| 1442 | /* Block on cmd ready and write CMD register */ |
| 1443 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 1444 | cmd->src = paddr(&data->sfcmd[7]); |
| 1445 | cmd->dst = NAND_SFLASHC_CMD; |
| 1446 | cmd->len = 4; |
| 1447 | cmd++; |
| 1448 | |
| 1449 | /* Write the MACRO1 register */ |
| 1450 | cmd->cmd = 0; |
| 1451 | cmd->src = paddr(&data->macro[4]); |
| 1452 | cmd->dst = NAND_MACRO1_REG; |
| 1453 | cmd->len = 4; |
| 1454 | cmd++; |
| 1455 | |
| 1456 | /* Kick the execute command */ |
| 1457 | cmd->cmd = 0; |
| 1458 | cmd->src = paddr(&data->sfexec); |
| 1459 | cmd->dst = NAND_SFLASHC_EXEC_CMD; |
| 1460 | cmd->len = 4; |
| 1461 | cmd++; |
| 1462 | |
| 1463 | /* Block on data rdy, & read status register */ |
| 1464 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 1465 | cmd->src = NAND_SFLASHC_STATUS; |
| 1466 | cmd->dst = paddr(&data->sfstat[7]); |
| 1467 | cmd->len = 4; |
| 1468 | cmd++; |
| 1469 | |
| 1470 | /* Transfer nand ctlr buf contents to usr buf */ |
| 1471 | cmd->cmd = 0; |
| 1472 | cmd->src = NAND_FLASH_BUFFER; |
| 1473 | cmd->dst = curr_addr; |
| 1474 | cmd->len = 64; |
| 1475 | curr_addr += 64; |
| 1476 | cmd++; |
| 1477 | } |
| 1478 | |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 1479 | /*************************************************************/ |
| 1480 | /* Restore the necessary registers to proper values */ |
| 1481 | /*************************************************************/ |
| 1482 | |
| 1483 | /* Block on cmd ready and write CMD register */ |
| 1484 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 1485 | cmd->src = paddr(&data->sfcmd[8]); |
| 1486 | cmd->dst = NAND_SFLASHC_CMD; |
| 1487 | cmd->len = 4; |
| 1488 | cmd++; |
| 1489 | |
| 1490 | /* Kick the execute command */ |
| 1491 | cmd->cmd = 0; |
| 1492 | cmd->src = paddr(&data->sfexec); |
| 1493 | cmd->dst = NAND_SFLASHC_EXEC_CMD; |
| 1494 | cmd->len = 4; |
| 1495 | cmd++; |
| 1496 | |
| 1497 | /* Block on data ready, and read the status register */ |
| 1498 | cmd->cmd = SRC_CRCI_NAND_DATA | CMD_OCU | CMD_LC; |
| 1499 | cmd->src = NAND_SFLASHC_STATUS; |
| 1500 | cmd->dst = paddr(&data->sfstat[8]); |
| 1501 | cmd->len = 4; |
| 1502 | cmd++; |
| 1503 | |
| 1504 | |
| 1505 | ptr[0] = (paddr(cmdlist) >> 3) | CMD_PTR_LP; |
| 1506 | |
| 1507 | dmov_exec_cmdptr(DMOV_NAND_CHAN, ptr); |
| 1508 | |
| 1509 | |
| 1510 | ecc_status = (data->data3 >> 16) & |
| 1511 | 0x0000FFFF; |
| 1512 | interrupt_status = (data->data4 >> 0) & |
| 1513 | 0x0000FFFF; |
| 1514 | controller_status = (data->data4 >> 16) & |
| 1515 | 0x0000FFFF; |
| 1516 | |
| 1517 | #if VERBOSE |
| 1518 | dprintf(INFO, "\n%s: sflash status %x %x %x %x %x %x %x" |
| 1519 | "%x %x\n", __func__, |
| 1520 | data->sfstat[0], |
| 1521 | data->sfstat[1], |
| 1522 | data->sfstat[2], |
| 1523 | data->sfstat[3], |
| 1524 | data->sfstat[4], |
| 1525 | data->sfstat[5], |
| 1526 | data->sfstat[6], |
| 1527 | data->sfstat[7]); |
| 1528 | |
| 1529 | dprintf(INFO, "%s: controller_status = %x\n", __func__, |
| 1530 | controller_status); |
| 1531 | dprintf(INFO, "%s: interrupt_status = %x\n", __func__, |
| 1532 | interrupt_status); |
| 1533 | dprintf(INFO, "%s: ecc_status = %x\n", __func__, |
| 1534 | ecc_status); |
| 1535 | #endif |
| 1536 | /* Check for errors, protection violations etc */ |
| 1537 | if ((controller_status != 0) |
| 1538 | || (data->sfstat[0] & 0x110) |
| 1539 | || (data->sfstat[1] & 0x110) |
| 1540 | || (data->sfstat[2] & 0x110) |
| 1541 | || ((data->sfstat[3] & 0x110) && |
| 1542 | (addr)) |
| 1543 | || ((data->sfstat[4] & 0x110) && |
| 1544 | (addr)) |
| 1545 | || ((data->sfstat[5] & 0x110) && |
| 1546 | (addr)) |
| 1547 | || ((data->sfstat[6] & 0x110) && |
| 1548 | (addr))) { |
| 1549 | dprintf(INFO, "%s: ECC/MPU/OP error\n", __func__); |
| 1550 | return -1; |
| 1551 | } |
| 1552 | |
| 1553 | #if VERBOSE |
| 1554 | dprintf(INFO, "read page %d: status: %x %x %x %x\n", |
| 1555 | page, data[5], data[6], data[7], data[8]); |
| 1556 | for(n = 0; n < 4; n++) { |
| 1557 | ptr = (unsigned*)(addr + 512 * n); |
| 1558 | dprintf(INFO, "data%d: %x %x %x %x\n", n, ptr[0], ptr[1], ptr[2], ptr[3]); |
| 1559 | ptr = (unsigned*)(spareaddr + 16 * n); |
| 1560 | dprintf(INFO, "spare data%d %x %x %x %x\n", n, ptr[0], ptr[1], ptr[2], ptr[3]); |
| 1561 | } |
| 1562 | #endif |
| 1563 | |
| 1564 | return 0; |
| 1565 | } |
| 1566 | |
| 1567 | |
| 1568 | struct data_onenand_write { |
| 1569 | unsigned sfbcfg; |
| 1570 | unsigned sfcmd[9]; |
| 1571 | unsigned sfexec; |
| 1572 | unsigned sfstat[9]; |
| 1573 | unsigned addr0; |
| 1574 | unsigned addr1; |
| 1575 | unsigned addr2; |
| 1576 | unsigned addr3; |
| 1577 | unsigned addr4; |
| 1578 | unsigned addr5; |
| 1579 | unsigned addr6; |
| 1580 | unsigned data0; |
| 1581 | unsigned data1; |
| 1582 | unsigned data2; |
| 1583 | unsigned data3; |
| 1584 | unsigned data4; |
| 1585 | unsigned data5; |
| 1586 | unsigned data6; |
| 1587 | unsigned macro[5]; |
| 1588 | }; |
| 1589 | |
| 1590 | static int _flash_onenand_write_page(dmov_s *cmdlist, unsigned *ptrlist, |
| 1591 | unsigned page, const void *_addr, |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame^] | 1592 | const void *_spareaddr, unsigned raw_mode) |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 1593 | { |
| 1594 | dmov_s *cmd = cmdlist; |
| 1595 | unsigned *ptr = ptrlist; |
| 1596 | struct data_onenand_write *data = (void*) (ptrlist + 4); |
| 1597 | unsigned addr = (unsigned) _addr; |
| 1598 | unsigned addr_curr = (unsigned) _addr; |
| 1599 | char * spareaddr = (char *) _spareaddr; |
| 1600 | unsigned i, j, k; |
| 1601 | |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 1602 | unsigned erasesize = (flash_pagesize<<6); |
| 1603 | unsigned writesize = flash_pagesize; |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 1604 | |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 1605 | unsigned onenand_startaddr1 = (page * flash_pagesize) / erasesize; |
| 1606 | unsigned onenand_startaddr8 = (((unsigned)(page * flash_pagesize) & |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 1607 | (erasesize-1)) / writesize) << 2; |
| 1608 | unsigned onenand_startaddr2 = DEVICE_BUFFERRAM_0 << 15; |
| 1609 | unsigned onenand_startbuffer = DATARAM0_0 << 8; |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame^] | 1610 | unsigned onenand_sysconfig1 = (raw_mode == 1) ? ONENAND_SYSCFG1_ECCDIS :\ |
| 1611 | ONENAND_SYSCFG1_ECCENA; |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 1612 | |
| 1613 | unsigned controller_status; |
| 1614 | unsigned interrupt_status; |
| 1615 | unsigned ecc_status; |
| 1616 | |
| 1617 | char flash_oob[64]; |
| 1618 | |
| 1619 | unsigned oobfree_offset[8] = {2, 14, 18, 30, 34, 46, 50, 62}; |
| 1620 | unsigned oobfree_length[8] = {3, 2, 3, 2, 3, 2, 3, 2}; |
| 1621 | |
| 1622 | for (i = 0; i < 64; i++) |
| 1623 | flash_oob[i] = 0xFF; |
| 1624 | |
| 1625 | data->sfbcfg = SFLASH_BCFG; |
| 1626 | data->sfcmd[0] = SFLASH_PREPCMD(256, 0, 0, |
| 1627 | NAND_SFCMD_CMDXS, |
| 1628 | NAND_SFCMD_ASYNC, |
| 1629 | NAND_SFCMD_DATWR); |
| 1630 | data->sfcmd[1] = SFLASH_PREPCMD(256, 0, 0, |
| 1631 | NAND_SFCMD_CMDXS, |
| 1632 | NAND_SFCMD_ASYNC, |
| 1633 | NAND_SFCMD_DATWR); |
| 1634 | data->sfcmd[2] = SFLASH_PREPCMD(256, 0, 0, |
| 1635 | NAND_SFCMD_CMDXS, |
| 1636 | NAND_SFCMD_ASYNC, |
| 1637 | NAND_SFCMD_DATWR); |
| 1638 | data->sfcmd[3] = SFLASH_PREPCMD(256, 0, 0, |
| 1639 | NAND_SFCMD_CMDXS, |
| 1640 | NAND_SFCMD_ASYNC, |
| 1641 | NAND_SFCMD_DATWR); |
| 1642 | data->sfcmd[4] = SFLASH_PREPCMD(32, 0, 0, |
| 1643 | NAND_SFCMD_CMDXS, |
| 1644 | NAND_SFCMD_ASYNC, |
| 1645 | NAND_SFCMD_DATWR); |
| 1646 | data->sfcmd[5] = SFLASH_PREPCMD(7, 0, 0, |
| 1647 | NAND_SFCMD_CMDXS, |
| 1648 | NAND_SFCMD_ASYNC, |
| 1649 | NAND_SFCMD_REGWR); |
| 1650 | data->sfcmd[6] = SFLASH_PREPCMD(0, 0, 32, |
| 1651 | NAND_SFCMD_CMDXS, |
| 1652 | NAND_SFCMD_ASYNC, |
| 1653 | NAND_SFCMD_INTHI); |
| 1654 | data->sfcmd[7] = SFLASH_PREPCMD(3, 7, 0, |
| 1655 | NAND_SFCMD_DATXS, |
| 1656 | NAND_SFCMD_ASYNC, |
| 1657 | NAND_SFCMD_REGRD); |
| 1658 | data->sfcmd[8] = SFLASH_PREPCMD(4, 10, 0, |
| 1659 | NAND_SFCMD_CMDXS, |
| 1660 | NAND_SFCMD_ASYNC, |
| 1661 | NAND_SFCMD_REGWR); |
| 1662 | data->sfexec = 1; |
| 1663 | |
| 1664 | data->sfstat[0] = CLEAN_DATA_32; |
| 1665 | data->sfstat[1] = CLEAN_DATA_32; |
| 1666 | data->sfstat[2] = CLEAN_DATA_32; |
| 1667 | data->sfstat[3] = CLEAN_DATA_32; |
| 1668 | data->sfstat[4] = CLEAN_DATA_32; |
| 1669 | data->sfstat[5] = CLEAN_DATA_32; |
| 1670 | data->sfstat[6] = CLEAN_DATA_32; |
| 1671 | data->sfstat[7] = CLEAN_DATA_32; |
| 1672 | data->sfstat[8] = CLEAN_DATA_32; |
| 1673 | data->addr0 = (ONENAND_INTERRUPT_STATUS << 16) | |
| 1674 | (ONENAND_SYSTEM_CONFIG_1); |
| 1675 | data->addr1 = (ONENAND_START_ADDRESS_8 << 16) | |
| 1676 | (ONENAND_START_ADDRESS_1); |
| 1677 | data->addr2 = (ONENAND_START_BUFFER << 16) | |
| 1678 | (ONENAND_START_ADDRESS_2); |
| 1679 | data->addr3 = (ONENAND_ECC_STATUS << 16) | |
| 1680 | (ONENAND_COMMAND); |
| 1681 | data->addr4 = (ONENAND_CONTROLLER_STATUS << 16) | |
| 1682 | (ONENAND_INTERRUPT_STATUS); |
| 1683 | data->addr5 = (ONENAND_INTERRUPT_STATUS << 16) | |
| 1684 | (ONENAND_SYSTEM_CONFIG_1); |
| 1685 | data->addr6 = (ONENAND_START_ADDRESS_3 << 16) | |
| 1686 | (ONENAND_START_ADDRESS_1); |
| 1687 | data->data0 = (ONENAND_CLRINTR << 16) | |
| 1688 | (onenand_sysconfig1); |
| 1689 | data->data1 = (onenand_startaddr8 << 16) | |
| 1690 | (onenand_startaddr1); |
| 1691 | data->data2 = (onenand_startbuffer << 16) | |
| 1692 | (onenand_startaddr2); |
| 1693 | data->data3 = (CLEAN_DATA_16 << 16) | |
| 1694 | (ONENAND_CMDPROGSPARE); |
| 1695 | data->data3 = (CLEAN_DATA_16 << 16) | |
| 1696 | (ONENAND_CMDPROGSPARE); |
| 1697 | data->data4 = (CLEAN_DATA_16 << 16) | |
| 1698 | (CLEAN_DATA_16); |
| 1699 | data->data5 = (ONENAND_CLRINTR << 16) | |
| 1700 | (ONENAND_SYSCFG1_ECCENA); |
| 1701 | data->data6 = (ONENAND_STARTADDR3_RES << 16) | |
| 1702 | (ONENAND_STARTADDR1_RES); |
| 1703 | data->macro[0] = 0x0200; |
| 1704 | data->macro[1] = 0x0300; |
| 1705 | data->macro[2] = 0x0400; |
| 1706 | data->macro[3] = 0x0500; |
| 1707 | data->macro[4] = 0x8010; |
| 1708 | |
| 1709 | |
| 1710 | /*************************************************************/ |
| 1711 | /* Write the data ram area in the onenand buffer ram */ |
| 1712 | /*************************************************************/ |
| 1713 | |
| 1714 | /* Enable and configure the SFlash controller */ |
| 1715 | cmd->cmd = 0 | CMD_OCB; |
| 1716 | cmd->src = paddr(&data->sfbcfg); |
| 1717 | cmd->dst = NAND_SFLASHC_BURST_CFG; |
| 1718 | cmd->len = 4; |
| 1719 | cmd++; |
| 1720 | |
| 1721 | if (addr) { |
| 1722 | data->data3 = (CLEAN_DATA_16 << 16) | |
| 1723 | (ONENAND_CMDPROG); |
| 1724 | |
| 1725 | for (i = 0; i < 4; i++) { |
| 1726 | |
| 1727 | /* Block on cmd ready and write CMD register */ |
| 1728 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 1729 | cmd->src = paddr(&data->sfcmd[i]); |
| 1730 | cmd->dst = NAND_SFLASHC_CMD; |
| 1731 | cmd->len = 4; |
| 1732 | cmd++; |
| 1733 | |
| 1734 | /* Trnsfr usr buf contents to nand ctlr buf */ |
| 1735 | cmd->cmd = 0; |
| 1736 | cmd->src = paddr(addr_curr); |
| 1737 | cmd->dst = NAND_FLASH_BUFFER; |
| 1738 | cmd->len = 512; |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame^] | 1739 | if(!raw_mode) |
| 1740 | addr_curr += 512; |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 1741 | cmd++; |
| 1742 | |
| 1743 | /* Write the MACRO1 register */ |
| 1744 | cmd->cmd = 0; |
| 1745 | cmd->src = paddr(&data->macro[i]); |
| 1746 | cmd->dst = NAND_MACRO1_REG; |
| 1747 | cmd->len = 4; |
| 1748 | cmd++; |
| 1749 | |
| 1750 | /* Kick the execute command */ |
| 1751 | cmd->cmd = 0; |
| 1752 | cmd->src = paddr(&data->sfexec); |
| 1753 | cmd->dst = NAND_SFLASHC_EXEC_CMD; |
| 1754 | cmd->len = 4; |
| 1755 | cmd++; |
| 1756 | |
| 1757 | /* Block on data rdy, & read status register */ |
| 1758 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 1759 | cmd->src = NAND_SFLASHC_STATUS; |
| 1760 | cmd->dst = paddr(&data->sfstat[i]); |
| 1761 | cmd->len = 4; |
| 1762 | cmd++; |
| 1763 | |
| 1764 | } |
| 1765 | } |
| 1766 | |
| 1767 | /* Block on cmd ready and write CMD register */ |
| 1768 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 1769 | cmd->src = paddr(&data->sfcmd[4]); |
| 1770 | cmd->dst = NAND_SFLASHC_CMD; |
| 1771 | cmd->len = 4; |
| 1772 | cmd++; |
| 1773 | |
| 1774 | if (spareaddr) |
| 1775 | { |
| 1776 | // Auto mode |
| 1777 | for (i = 0, k = 0; i < 8; i++) { |
| 1778 | for (j = 0; j < oobfree_length[i]; j++) { |
| 1779 | flash_oob[j+oobfree_offset[i]] = spareaddr[k]; |
| 1780 | k++; |
| 1781 | } |
| 1782 | } |
| 1783 | |
| 1784 | cmd->cmd = 0; |
| 1785 | cmd->src = paddr(&flash_oob); |
| 1786 | cmd->dst = NAND_FLASH_BUFFER; |
| 1787 | cmd->len = 64; |
| 1788 | cmd++; |
| 1789 | } |
| 1790 | |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame^] | 1791 | if (raw_mode){ |
| 1792 | cmd->cmd = 0; |
| 1793 | cmd->src = paddr(addr_curr); |
| 1794 | cmd->dst = NAND_FLASH_BUFFER; |
| 1795 | cmd->len = 64; |
| 1796 | cmd++; |
| 1797 | } |
| 1798 | |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 1799 | /* Write the MACRO1 register */ |
| 1800 | cmd->cmd = 0; |
| 1801 | cmd->src = paddr(&data->macro[4]); |
| 1802 | cmd->dst = NAND_MACRO1_REG; |
| 1803 | cmd->len = 4; |
| 1804 | cmd++; |
| 1805 | |
| 1806 | /* Kick the execute command */ |
| 1807 | cmd->cmd = 0; |
| 1808 | cmd->src = paddr(&data->sfexec); |
| 1809 | cmd->dst = NAND_SFLASHC_EXEC_CMD; |
| 1810 | cmd->len = 4; |
| 1811 | cmd++; |
| 1812 | |
| 1813 | /* Block on data ready, and read the status register */ |
| 1814 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 1815 | cmd->src = NAND_SFLASHC_STATUS; |
| 1816 | cmd->dst = paddr(&data->sfstat[4]); |
| 1817 | cmd->len = 4; |
| 1818 | cmd++; |
| 1819 | |
| 1820 | /*************************************************************/ |
| 1821 | /* Write necessary address registers in the onenand device */ |
| 1822 | /*************************************************************/ |
| 1823 | |
| 1824 | /* Block on cmd ready and write CMD register */ |
| 1825 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 1826 | cmd->src = paddr(&data->sfcmd[5]); |
| 1827 | cmd->dst = NAND_SFLASHC_CMD; |
| 1828 | cmd->len = 4; |
| 1829 | cmd++; |
| 1830 | |
| 1831 | /* Write the ADDR0 and ADDR1 registers */ |
| 1832 | cmd->cmd = 0; |
| 1833 | cmd->src = paddr(&data->addr0); |
| 1834 | cmd->dst = NAND_ADDR0; |
| 1835 | cmd->len = 8; |
| 1836 | cmd++; |
| 1837 | |
| 1838 | /* Write the ADDR2 ADDR3 ADDR4 ADDR5 registers */ |
| 1839 | cmd->cmd = 0; |
| 1840 | cmd->src = paddr(&data->addr2); |
| 1841 | cmd->dst = NAND_ADDR2; |
| 1842 | cmd->len = 16; |
| 1843 | cmd++; |
| 1844 | |
| 1845 | /* Write the ADDR6 registers */ |
| 1846 | cmd->cmd = 0; |
| 1847 | cmd->src = paddr(&data->addr6); |
| 1848 | cmd->dst = NAND_ADDR6; |
| 1849 | cmd->len = 4; |
| 1850 | cmd++; |
| 1851 | |
| 1852 | /* Write the GENP0, GENP1, GENP2, GENP3 registers */ |
| 1853 | cmd->cmd = 0; |
| 1854 | cmd->src = paddr(&data->data0); |
| 1855 | cmd->dst = NAND_GENP_REG0; |
| 1856 | cmd->len = 16; |
| 1857 | cmd++; |
| 1858 | |
| 1859 | /* Write the FLASH_DEV_CMD4,5,6 registers */ |
| 1860 | cmd->cmd = 0; |
| 1861 | cmd->src = paddr(&data->data4); |
| 1862 | cmd->dst = NAND_DEV_CMD4; |
| 1863 | cmd->len = 12; |
| 1864 | cmd++; |
| 1865 | |
| 1866 | /* Kick the execute command */ |
| 1867 | cmd->cmd = 0; |
| 1868 | cmd->src = paddr(&data->sfexec); |
| 1869 | cmd->dst = NAND_SFLASHC_EXEC_CMD; |
| 1870 | cmd->len = 4; |
| 1871 | cmd++; |
| 1872 | |
| 1873 | /* Block on data ready, and read the status register */ |
| 1874 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 1875 | cmd->src = NAND_SFLASHC_STATUS; |
| 1876 | cmd->dst = paddr(&data->sfstat[5]); |
| 1877 | cmd->len = 4; |
| 1878 | cmd++; |
| 1879 | |
| 1880 | /*************************************************************/ |
| 1881 | /* Wait for the interrupt from the Onenand device controller */ |
| 1882 | /*************************************************************/ |
| 1883 | |
| 1884 | /* Block on cmd ready and write CMD register */ |
| 1885 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 1886 | cmd->src = paddr(&data->sfcmd[6]); |
| 1887 | cmd->dst = NAND_SFLASHC_CMD; |
| 1888 | cmd->len = 4; |
| 1889 | cmd++; |
| 1890 | |
| 1891 | /* Kick the execute command */ |
| 1892 | cmd->cmd = 0; |
| 1893 | cmd->src = paddr(&data->sfexec); |
| 1894 | cmd->dst = NAND_SFLASHC_EXEC_CMD; |
| 1895 | cmd->len = 4; |
| 1896 | cmd++; |
| 1897 | |
| 1898 | /* Block on data ready, and read the status register */ |
| 1899 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 1900 | cmd->src = NAND_SFLASHC_STATUS; |
| 1901 | cmd->dst = paddr(&data->sfstat[6]); |
| 1902 | cmd->len = 4; |
| 1903 | cmd++; |
| 1904 | |
| 1905 | /*************************************************************/ |
| 1906 | /* Read necessary status registers from the onenand device */ |
| 1907 | /*************************************************************/ |
| 1908 | |
| 1909 | /* Block on cmd ready and write CMD register */ |
| 1910 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 1911 | cmd->src = paddr(&data->sfcmd[7]); |
| 1912 | cmd->dst = NAND_SFLASHC_CMD; |
| 1913 | cmd->len = 4; |
| 1914 | cmd++; |
| 1915 | |
| 1916 | /* Kick the execute command */ |
| 1917 | cmd->cmd = 0; |
| 1918 | cmd->src = paddr(&data->sfexec); |
| 1919 | cmd->dst = NAND_SFLASHC_EXEC_CMD; |
| 1920 | cmd->len = 4; |
| 1921 | cmd++; |
| 1922 | |
| 1923 | /* Block on data ready, and read the status register */ |
| 1924 | cmd->cmd = SRC_CRCI_NAND_DATA; |
| 1925 | cmd->src = NAND_SFLASHC_STATUS; |
| 1926 | cmd->dst = paddr(&data->sfstat[7]); |
| 1927 | cmd->len = 4; |
| 1928 | cmd++; |
| 1929 | |
| 1930 | /* Read the GENP3 register */ |
| 1931 | cmd->cmd = 0; |
| 1932 | cmd->src = NAND_GENP_REG3; |
| 1933 | cmd->dst = paddr(&data->data3); |
| 1934 | cmd->len = 4; |
| 1935 | cmd++; |
| 1936 | |
| 1937 | /* Read the DEVCMD4 register */ |
| 1938 | cmd->cmd = 0; |
| 1939 | cmd->src = NAND_DEV_CMD4; |
| 1940 | cmd->dst = paddr(&data->data4); |
| 1941 | cmd->len = 4; |
| 1942 | cmd++; |
| 1943 | |
| 1944 | |
| 1945 | /*************************************************************/ |
| 1946 | /* Restore the necessary registers to proper values */ |
| 1947 | /*************************************************************/ |
| 1948 | |
| 1949 | /* Block on cmd ready and write CMD register */ |
| 1950 | cmd->cmd = DST_CRCI_NAND_CMD; |
| 1951 | cmd->src = paddr(&data->sfcmd[8]); |
| 1952 | cmd->dst = NAND_SFLASHC_CMD; |
| 1953 | cmd->len = 4; |
| 1954 | cmd++; |
| 1955 | |
| 1956 | /* Kick the execute command */ |
| 1957 | cmd->cmd = 0; |
| 1958 | cmd->src = paddr(&data->sfexec); |
| 1959 | cmd->dst = NAND_SFLASHC_EXEC_CMD; |
| 1960 | cmd->len = 4; |
| 1961 | cmd++; |
| 1962 | |
| 1963 | /* Block on data ready, and read the status register */ |
| 1964 | cmd->cmd = SRC_CRCI_NAND_DATA | CMD_OCU | CMD_LC; |
| 1965 | cmd->src = NAND_SFLASHC_STATUS; |
| 1966 | cmd->dst = paddr(&data->sfstat[8]); |
| 1967 | cmd->len = 4; |
| 1968 | cmd++; |
| 1969 | |
| 1970 | |
| 1971 | ptr[0] = (paddr(cmdlist) >> 3) | CMD_PTR_LP; |
| 1972 | |
| 1973 | dmov_exec_cmdptr(DMOV_NAND_CHAN, ptr); |
| 1974 | |
| 1975 | ecc_status = (data->data3 >> 16) & 0x0000FFFF; |
| 1976 | interrupt_status = (data->data4 >> 0)&0x0000FFFF; |
| 1977 | controller_status = (data->data4 >> 16)&0x0000FFFF; |
| 1978 | |
| 1979 | #if VERBOSE |
| 1980 | dprintf(INFO, "\n%s: sflash status %x %x %x %x %x %x %x %x %x\n", __func__, |
| 1981 | data->sfstat[0], |
| 1982 | data->sfstat[1], |
| 1983 | data->sfstat[2], |
| 1984 | data->sfstat[3], |
| 1985 | data->sfstat[4], |
| 1986 | data->sfstat[5], |
| 1987 | data->sfstat[6], |
| 1988 | data->sfstat[7], |
| 1989 | data->sfstat[8]); |
| 1990 | |
| 1991 | dprintf(INFO, "%s: controller_status = %x\n", __func__, |
| 1992 | controller_status); |
| 1993 | dprintf(INFO, "%s: interrupt_status = %x\n", __func__, |
| 1994 | interrupt_status); |
| 1995 | dprintf(INFO, "%s: ecc_status = %x\n", __func__, |
| 1996 | ecc_status); |
| 1997 | #endif |
| 1998 | /* Check for errors, protection violations etc */ |
| 1999 | if ((controller_status != 0) |
| 2000 | || (data->sfstat[5] & 0x110) |
| 2001 | || (data->sfstat[6] & 0x110) |
| 2002 | || (data->sfstat[7] & 0x110) |
| 2003 | || (data->sfstat[8] & 0x110) |
| 2004 | || ((data->sfstat[0] & 0x110) && |
| 2005 | (addr)) |
| 2006 | || ((data->sfstat[1] & 0x110) && |
| 2007 | (addr)) |
| 2008 | || ((data->sfstat[2] & 0x110) && |
| 2009 | (addr)) |
| 2010 | || ((data->sfstat[3] & 0x110) && |
| 2011 | (addr))) { |
| 2012 | dprintf(CRITICAL, "%s: ECC/MPU/OP error\n", __func__); |
| 2013 | return -1; |
| 2014 | } |
| 2015 | |
| 2016 | |
| 2017 | return 0; |
| 2018 | } |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame^] | 2019 | |
| 2020 | static int flash_onenand_mark_badblock(dmov_s *cmdlist, unsigned *ptrlist, unsigned page) |
| 2021 | { |
| 2022 | memset(empty_buf,0,528); |
| 2023 | /* Going to first page of the block */ |
| 2024 | if(page & 63) |
| 2025 | page = page - (page & 63); |
| 2026 | return _flash_onenand_write_page(cmdlist, ptrlist, page, empty_buf, 0, 1); |
| 2027 | } |
| 2028 | |
| 2029 | static int flash_mark_badblock(dmov_s *cmdlist, unsigned *ptrlist, unsigned page) |
| 2030 | { |
| 2031 | switch(flash_info.type) { |
| 2032 | case FLASH_8BIT_NAND_DEVICE: |
| 2033 | case FLASH_16BIT_NAND_DEVICE: |
| 2034 | return flash_nand_mark_badblock(cmdlist, ptrlist, page); |
| 2035 | case FLASH_ONENAND_DEVICE: |
| 2036 | return flash_onenand_mark_badblock(cmdlist, ptrlist, page); |
| 2037 | default: |
| 2038 | return -1; |
| 2039 | } |
| 2040 | } |
| 2041 | |
| 2042 | |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 2043 | /* Wrapper functions */ |
| 2044 | static void flash_read_id(dmov_s *cmdlist, unsigned *ptrlist) |
| 2045 | { |
| 2046 | int dev_found = 0; |
| 2047 | unsigned index; |
| 2048 | |
| 2049 | // Try to read id |
| 2050 | flash_nand_read_id(cmdlist, ptrlist); |
| 2051 | // Check if we support the device |
| 2052 | for (index=1; |
| 2053 | index < (sizeof(supported_flash)/sizeof(struct flash_identification)); |
| 2054 | index++) |
| 2055 | { |
| 2056 | if ((flash_info.id & supported_flash[index].mask) == |
| 2057 | (supported_flash[index].flash_id & |
| 2058 | (supported_flash[index].mask))) { |
| 2059 | dev_found = 1; |
| 2060 | break; |
| 2061 | } |
| 2062 | } |
| 2063 | |
| 2064 | if(!dev_found) { |
| 2065 | flash_onenand_read_id(cmdlist, ptrlist); |
| 2066 | for (index=1; |
| 2067 | index < (sizeof(supported_flash)/sizeof(struct flash_identification)); |
| 2068 | index++) |
| 2069 | { |
| 2070 | if ((flash_info.id & supported_flash[index].mask) == |
| 2071 | (supported_flash[index].flash_id & |
| 2072 | (supported_flash[index].mask))) { |
| 2073 | dev_found = 1; |
| 2074 | break; |
| 2075 | } |
| 2076 | } |
| 2077 | } |
| 2078 | |
| 2079 | |
| 2080 | |
| 2081 | if(dev_found) { |
| 2082 | if (supported_flash[index].widebus) |
| 2083 | flash_info.type = FLASH_16BIT_NAND_DEVICE; |
| 2084 | else |
| 2085 | flash_info.type = FLASH_8BIT_NAND_DEVICE; |
| 2086 | if (supported_flash[index].onenand) |
| 2087 | flash_info.type = FLASH_ONENAND_DEVICE; |
| 2088 | flash_info.page_size = supported_flash[index].pagesize; |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 2089 | flash_pagesize = flash_info.page_size; |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 2090 | flash_info.block_size = supported_flash[index].blksize; |
| 2091 | flash_info.spare_size = supported_flash[index].oobsize; |
| 2092 | if (flash_info.block_size && flash_info.page_size) |
| 2093 | { |
| 2094 | flash_info.num_blocks = supported_flash[index].density; |
| 2095 | flash_info.num_blocks /= (flash_info.block_size * flash_info.page_size); |
| 2096 | } |
| 2097 | else |
| 2098 | { |
| 2099 | flash_info.num_blocks = 0; |
| 2100 | } |
| 2101 | ASSERT(flash_info.num_blocks); |
| 2102 | return; |
| 2103 | } |
| 2104 | |
| 2105 | // Assume 8 bit nand device for backward compatability |
| 2106 | if (dev_found == 0) { |
| 2107 | dprintf(INFO, "Device not supported. Assuming 8 bit NAND device\n"); |
| 2108 | flash_info.type = FLASH_8BIT_NAND_DEVICE; |
| 2109 | } |
| 2110 | dprintf(INFO, "nandid: 0x%x maker=0x%02x device=0x%02x page_size=%d\n", |
| 2111 | flash_info.id, flash_info.vendor, flash_info.device, |
| 2112 | flash_info.page_size); |
| 2113 | dprintf(INFO, " spare_size=%d block_size=%d num_blocks=%d\n", |
| 2114 | flash_info.spare_size, flash_info.block_size, |
| 2115 | flash_info.num_blocks); |
| 2116 | } |
| 2117 | |
| 2118 | static int flash_erase_block(dmov_s *cmdlist, unsigned *ptrlist, unsigned page) |
| 2119 | { |
| 2120 | switch(flash_info.type) { |
| 2121 | case FLASH_8BIT_NAND_DEVICE: |
| 2122 | case FLASH_16BIT_NAND_DEVICE: |
| 2123 | return flash_nand_erase_block(cmdlist, ptrlist, page); |
| 2124 | case FLASH_ONENAND_DEVICE: |
| 2125 | return flash_onenand_erase_block(cmdlist, ptrlist, page); |
| 2126 | default: |
| 2127 | return -1; |
| 2128 | } |
| 2129 | } |
| 2130 | |
| 2131 | static int _flash_read_page(dmov_s *cmdlist, unsigned *ptrlist, |
| 2132 | unsigned page, void *_addr, void *_spareaddr) |
| 2133 | { |
| 2134 | switch(flash_info.type) { |
| 2135 | case FLASH_8BIT_NAND_DEVICE: |
| 2136 | case FLASH_16BIT_NAND_DEVICE: |
| 2137 | return _flash_nand_read_page(cmdlist, ptrlist, page, _addr, _spareaddr); |
| 2138 | case FLASH_ONENAND_DEVICE: |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 2139 | return _flash_onenand_read_page(cmdlist, ptrlist, page, _addr, _spareaddr, 0); |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 2140 | default: |
| 2141 | return -1; |
| 2142 | } |
| 2143 | } |
| 2144 | |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 2145 | static int _flash_block_isbad(dmov_s *cmdlist, unsigned *ptrlist, unsigned page) |
| 2146 | { |
| 2147 | switch(flash_info.type) { |
| 2148 | case FLASH_8BIT_NAND_DEVICE: |
| 2149 | case FLASH_16BIT_NAND_DEVICE: |
| 2150 | return flash_nand_block_isbad(cmdlist, ptrlist, page); |
| 2151 | case FLASH_ONENAND_DEVICE: |
| 2152 | return flash_onenand_block_isbad(cmdlist, ptrlist, page); |
| 2153 | default: |
| 2154 | return -1; |
| 2155 | } |
| 2156 | } |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 2157 | |
| 2158 | static int _flash_write_page(dmov_s *cmdlist, unsigned *ptrlist, |
| 2159 | unsigned page, const void *_addr, |
| 2160 | const void *_spareaddr) |
| 2161 | { |
| 2162 | switch(flash_info.type) { |
| 2163 | case FLASH_8BIT_NAND_DEVICE: |
| 2164 | case FLASH_16BIT_NAND_DEVICE: |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame^] | 2165 | return _flash_nand_write_page(cmdlist, ptrlist, page, _addr, _spareaddr, 0); |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 2166 | case FLASH_ONENAND_DEVICE: |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame^] | 2167 | return _flash_onenand_write_page(cmdlist, ptrlist, page, _addr, _spareaddr, 0); |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 2168 | default: |
| 2169 | return -1; |
| 2170 | } |
| 2171 | } |
| 2172 | |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 2173 | static unsigned *flash_ptrlist; |
| 2174 | static dmov_s *flash_cmdlist; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 2175 | |
| 2176 | static struct ptable *flash_ptable = NULL; |
| 2177 | |
Dima Zavin | e5f6435 | 2009-03-02 16:04:20 -0800 | [diff] [blame] | 2178 | void flash_init(void) |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 2179 | { |
Dima Zavin | e5f6435 | 2009-03-02 16:04:20 -0800 | [diff] [blame] | 2180 | ASSERT(flash_ptable == NULL); |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 2181 | |
| 2182 | flash_ptrlist = memalign(32, 1024); |
| 2183 | flash_cmdlist = memalign(32, 1024); |
Dima Zavin | 5582c7d | 2009-03-03 15:17:59 -0800 | [diff] [blame] | 2184 | flash_data = memalign(32, 2048 + 64); |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 2185 | flash_spare = memalign(32, 64); |
| 2186 | |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 2187 | flash_read_id(flash_cmdlist, flash_ptrlist); |
Shashank Mittal | 83d16d0 | 2009-11-18 16:54:42 -0800 | [diff] [blame] | 2188 | if((FLASH_8BIT_NAND_DEVICE == flash_info.type) |
| 2189 | ||(FLASH_16BIT_NAND_DEVICE == flash_info.type)) { |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 2190 | if(flash_nand_read_config(flash_cmdlist, flash_ptrlist)) { |
Shashank Mittal | 83d16d0 | 2009-11-18 16:54:42 -0800 | [diff] [blame] | 2191 | dprintf(CRITICAL, "ERROR: could not read CFG0/CFG1 state\n"); |
| 2192 | ASSERT(0); |
| 2193 | } |
| 2194 | } |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 2195 | } |
| 2196 | |
| 2197 | struct ptable *flash_get_ptable(void) |
| 2198 | { |
| 2199 | return flash_ptable; |
| 2200 | } |
| 2201 | |
Dima Zavin | e5f6435 | 2009-03-02 16:04:20 -0800 | [diff] [blame] | 2202 | void flash_set_ptable(struct ptable *new_ptable) |
| 2203 | { |
| 2204 | ASSERT(flash_ptable == NULL && new_ptable != NULL); |
| 2205 | flash_ptable = new_ptable; |
| 2206 | } |
| 2207 | |
Dima Zavin | ca337f5 | 2009-03-02 16:41:44 -0800 | [diff] [blame] | 2208 | struct flash_info *flash_get_info(void) |
| 2209 | { |
| 2210 | return &flash_info; |
| 2211 | } |
| 2212 | |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 2213 | int flash_erase(struct ptentry *ptn) |
| 2214 | { |
| 2215 | unsigned block = ptn->start; |
| 2216 | unsigned count = ptn->length; |
| 2217 | |
| 2218 | while(count-- > 0) { |
| 2219 | if(flash_erase_block(flash_cmdlist, flash_ptrlist, block * 64)) { |
| 2220 | dprintf(INFO, "cannot erase @ %d (bad block?)\n", block); |
| 2221 | } |
| 2222 | block++; |
| 2223 | } |
| 2224 | return 0; |
| 2225 | } |
| 2226 | |
| 2227 | int flash_read_ext(struct ptentry *ptn, unsigned extra_per_page, |
Shashank Mittal | c20b5a1 | 2009-11-18 19:35:30 -0800 | [diff] [blame] | 2228 | unsigned offset, void *data, unsigned bytes) |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 2229 | { |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 2230 | unsigned page = (ptn->start * 64) + (offset / flash_pagesize); |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 2231 | unsigned lastpage = (ptn->start + ptn->length) * 64; |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 2232 | 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] | 2233 | unsigned *spare = (unsigned*) flash_spare; |
| 2234 | unsigned errors = 0; |
| 2235 | unsigned char *image = data; |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 2236 | unsigned current_block = (page - (page & 63)) >> 6; |
| 2237 | unsigned start_block = ptn->start; |
| 2238 | int result = 0; |
| 2239 | int isbad = 0; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 2240 | |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 2241 | if(offset & (flash_pagesize - 1)) |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 2242 | return -1; |
| 2243 | |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 2244 | // Adjust page offset based on number of bad blocks from start to current page |
| 2245 | while (start_block < current_block) { |
| 2246 | isbad = _flash_block_isbad(flash_cmdlist, flash_ptrlist, start_block*64); |
| 2247 | if (isbad) |
| 2248 | page += 64; |
| 2249 | |
| 2250 | start_block++; |
| 2251 | } |
| 2252 | |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 2253 | while(page < lastpage) { |
| 2254 | if(count == 0) { |
| 2255 | dprintf(INFO, "flash_read_image: success (%d errors)\n", errors); |
| 2256 | return 0; |
| 2257 | } |
| 2258 | |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 2259 | result = _flash_read_page(flash_cmdlist, flash_ptrlist, page, image, spare); |
| 2260 | |
| 2261 | if (result == -1) { |
| 2262 | // bad page, go to next page |
| 2263 | page++; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 2264 | errors++; |
| 2265 | continue; |
| 2266 | } |
Shashank Mittal | ad3d05c | 2009-11-19 15:53:57 -0800 | [diff] [blame] | 2267 | else if (result == -2) { |
| 2268 | // bad block, go to next block same offset |
| 2269 | page += 64; |
| 2270 | errors++; |
| 2271 | continue; |
| 2272 | } |
| 2273 | |
| 2274 | page++; |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 2275 | image += flash_pagesize; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 2276 | memcpy(image, spare, extra_per_page); |
| 2277 | image += extra_per_page; |
| 2278 | count -= 1; |
| 2279 | } |
| 2280 | |
| 2281 | /* could not find enough valid pages before we hit the end */ |
| 2282 | dprintf(INFO, "flash_read_image: failed (%d errors)\n", errors); |
| 2283 | return 0xffffffff; |
| 2284 | } |
| 2285 | |
| 2286 | int flash_write(struct ptentry *ptn, unsigned extra_per_page, const void *data, |
| 2287 | unsigned bytes) |
| 2288 | { |
| 2289 | unsigned page = ptn->start * 64; |
| 2290 | unsigned lastpage = (ptn->start + ptn->length) * 64; |
| 2291 | unsigned *spare = (unsigned*) flash_spare; |
| 2292 | const unsigned char *image = data; |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 2293 | unsigned wsize = flash_pagesize + extra_per_page; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 2294 | unsigned n; |
| 2295 | int r; |
| 2296 | |
| 2297 | for(n = 0; n < 16; n++) spare[n] = 0xffffffff; |
| 2298 | |
| 2299 | while(bytes > 0) { |
| 2300 | if(bytes < wsize) { |
| 2301 | dprintf(CRITICAL, "flash_write_image: image undersized (%d < %d)\n", bytes, wsize); |
| 2302 | return -1; |
| 2303 | } |
| 2304 | if(page >= lastpage) { |
| 2305 | dprintf(CRITICAL, "flash_write_image: out of space\n"); |
| 2306 | return -1; |
| 2307 | } |
| 2308 | |
| 2309 | if((page & 63) == 0) { |
| 2310 | if(flash_erase_block(flash_cmdlist, flash_ptrlist, page)) { |
| 2311 | dprintf(INFO, "flash_write_image: bad block @ %d\n", page >> 6); |
| 2312 | page += 64; |
| 2313 | continue; |
| 2314 | } |
| 2315 | } |
| 2316 | |
| 2317 | if(extra_per_page) { |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame^] | 2318 | 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] | 2319 | } else { |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame^] | 2320 | r = _flash_write_page(flash_cmdlist, flash_ptrlist, page, image, spare); |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 2321 | } |
| 2322 | if(r) { |
| 2323 | dprintf(INFO, "flash_write_image: write failure @ page %d (src %d)\n", page, image - (const unsigned char *)data); |
| 2324 | image -= (page & 63) * wsize; |
| 2325 | bytes += (page & 63) * wsize; |
| 2326 | page &= ~63; |
| 2327 | if(flash_erase_block(flash_cmdlist, flash_ptrlist, page)) { |
| 2328 | dprintf(INFO, "flash_write_image: erase failure @ page %d\n", page); |
| 2329 | } |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame^] | 2330 | flash_mark_badblock(flash_cmdlist, flash_ptrlist, page); |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 2331 | dprintf(INFO, "flash_write_image: restart write @ page %d (src %d)\n", page, image - (const unsigned char *)data); |
| 2332 | page += 64; |
| 2333 | continue; |
| 2334 | } |
Shashank Mittal | d0c836d | 2009-11-20 10:31:18 -0800 | [diff] [blame^] | 2335 | page++; |
Dima Zavin | 03cf431 | 2009-01-23 16:38:30 -0800 | [diff] [blame] | 2336 | image += wsize; |
| 2337 | bytes -= wsize; |
| 2338 | } |
| 2339 | |
| 2340 | /* erase any remaining pages in the partition */ |
| 2341 | page = (page + 63) & (~63); |
| 2342 | while(page < lastpage){ |
| 2343 | if(flash_erase_block(flash_cmdlist, flash_ptrlist, page)) { |
| 2344 | dprintf(INFO, "flash_write_image: bad block @ %d\n", page >> 6); |
| 2345 | } |
| 2346 | page += 64; |
| 2347 | } |
| 2348 | |
| 2349 | dprintf(INFO, "flash_write_image: success\n"); |
| 2350 | return 0; |
| 2351 | } |
| 2352 | |
| 2353 | #if 0 |
| 2354 | static int flash_read_page(unsigned page, void *data, void *extra) |
| 2355 | { |
| 2356 | return _flash_read_page(flash_cmdlist, flash_ptrlist, |
| 2357 | page, data, extra); |
| 2358 | } |
| 2359 | #endif |
Shashank Mittal | dcc2e35 | 2009-11-19 19:11:16 -0800 | [diff] [blame] | 2360 | |
| 2361 | unsigned flash_page_size(void) |
| 2362 | { |
| 2363 | return flash_pagesize; |
| 2364 | } |