Sundarajan Srinivasan | 15516f2 | 2013-12-04 17:11:36 -0800 | [diff] [blame] | 1 | /* Copyright (c) 2013-2014, The Linux Foundation. All rights reserved. |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 2 | * |
| 3 | * Redistribution and use in source and binary forms, with or without |
| 4 | * modification, are permitted provided that the following conditions are |
| 5 | * met: |
| 6 | * * Redistributions of source code must retain the above copyright |
| 7 | * notice, this list of conditions and the following disclaimer. |
| 8 | * * Redistributions in binary form must reproduce the above |
| 9 | * copyright notice, this list of conditions and the following |
| 10 | * disclaimer in the documentation and/or other materials provided |
| 11 | * with the distribution. |
| 12 | * * Neither the name of The Linux Foundation nor the names of its |
| 13 | * contributors may be used to endorse or promote products derived |
| 14 | * from this software without specific prior written permission. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| 17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 18 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| 20 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| 23 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| 25 | * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| 26 | * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
| 28 | |
| 29 | #include <stdlib.h> |
| 30 | #include <stdint.h> |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 31 | #include <mmc_wrapper.h> |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 32 | #include <mmc_sdhci.h> |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 33 | #include <sdhci.h> |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 34 | #include <ufs.h> |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 35 | #include <target.h> |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 36 | #include <string.h> |
Channagoud Kadabi | faf20f6 | 2014-10-21 22:22:37 -0700 | [diff] [blame] | 37 | #include <partition_parser.h> |
Sridhar Parasuram | c02d107 | 2014-11-06 12:55:42 -0800 | [diff] [blame] | 38 | #include <dme.h> |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 39 | /* |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 40 | * Weak function for UFS. |
| 41 | * These are needed to avoid link errors for platforms which |
| 42 | * do not support UFS. Its better to keep this inside the |
| 43 | * mmc wrapper. |
| 44 | */ |
| 45 | __WEAK int ufs_write(struct ufs_dev *dev, uint64_t data_addr, addr_t in, uint32_t len) |
| 46 | { |
| 47 | return 0; |
| 48 | } |
| 49 | |
| 50 | __WEAK int ufs_read(struct ufs_dev *dev, uint64_t data_addr, addr_t in, uint32_t len) |
| 51 | { |
| 52 | return 0; |
| 53 | } |
| 54 | |
| 55 | __WEAK uint32_t ufs_get_page_size(struct ufs_dev *dev) |
| 56 | { |
| 57 | return 0; |
| 58 | } |
| 59 | |
| 60 | __WEAK uint32_t ufs_get_serial_num(struct ufs_dev *dev) |
| 61 | { |
| 62 | return 0; |
| 63 | } |
| 64 | |
| 65 | __WEAK uint64_t ufs_get_dev_capacity(struct ufs_dev *dev) |
| 66 | { |
| 67 | return 0; |
| 68 | } |
| 69 | |
Sundarajan Srinivasan | 7b74ed2 | 2013-11-01 16:01:06 -0700 | [diff] [blame] | 70 | __WEAK uint32_t ufs_get_erase_blk_size(struct ufs_dev *dev) |
| 71 | { |
| 72 | return 0; |
| 73 | } |
| 74 | |
| 75 | __WEAK int ufs_erase(struct ufs_dev* dev, uint64_t start_lba, uint32_t num_blocks) |
| 76 | { |
| 77 | return 0; |
| 78 | } |
Sundarajan Srinivasan | 15516f2 | 2013-12-04 17:11:36 -0800 | [diff] [blame] | 79 | |
| 80 | __WEAK uint8_t ufs_get_num_of_luns(struct ufs_dev* dev) |
| 81 | { |
| 82 | return 0; |
| 83 | } |
| 84 | |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 85 | /* |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 86 | * Function: get mmc card |
| 87 | * Arg : None |
| 88 | * Return : Pointer to mmc card structure |
| 89 | * Flow : Get the card pointer from the device structure |
| 90 | */ |
| 91 | static struct mmc_card *get_mmc_card() |
| 92 | { |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 93 | void *dev; |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 94 | struct mmc_card *card; |
| 95 | |
| 96 | dev = target_mmc_device(); |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 97 | card = &((struct mmc_device*)dev)->card; |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 98 | |
| 99 | return card; |
| 100 | } |
| 101 | |
| 102 | /* |
| 103 | * Function: mmc_write |
| 104 | * Arg : Data address on card, data length, i/p buffer |
| 105 | * Return : 0 on Success, non zero on failure |
| 106 | * Flow : Write the data from in to the card |
| 107 | */ |
| 108 | uint32_t mmc_write(uint64_t data_addr, uint32_t data_len, void *in) |
| 109 | { |
Channagoud Kadabi | 53f1be7 | 2013-06-05 17:56:11 -0700 | [diff] [blame] | 110 | uint32_t val = 0; |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 111 | int ret = 0; |
| 112 | uint32_t block_size = 0; |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 113 | uint32_t write_size = SDHCI_ADMA_MAX_TRANS_SZ; |
Channagoud Kadabi | 53f1be7 | 2013-06-05 17:56:11 -0700 | [diff] [blame] | 114 | uint8_t *sptr = (uint8_t *)in; |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 115 | void *dev; |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 116 | |
| 117 | dev = target_mmc_device(); |
| 118 | |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 119 | block_size = mmc_get_device_blocksize(); |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 120 | |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 121 | ASSERT(!(data_addr % block_size)); |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 122 | |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 123 | if (data_len % block_size) |
| 124 | data_len = ROUNDUP(data_len, block_size); |
| 125 | |
Sundarajan Srinivasan | 9786c45 | 2014-03-21 17:34:58 -0700 | [diff] [blame] | 126 | if (platform_boot_dev_isemmc()) |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 127 | { |
| 128 | /* TODO: This function is aware of max data that can be |
| 129 | * tranferred using sdhci adma mode, need to have a cleaner |
| 130 | * implementation to keep this function independent of sdhci |
| 131 | * limitations |
| 132 | */ |
| 133 | while (data_len > write_size) { |
| 134 | val = mmc_sdhci_write((struct mmc_device *)dev, (void *)sptr, (data_addr / block_size), (write_size / block_size)); |
| 135 | if (val) |
| 136 | { |
| 137 | dprintf(CRITICAL, "Failed Writing block @ %x\n", (data_addr / block_size)); |
| 138 | return val; |
| 139 | } |
| 140 | sptr += write_size; |
| 141 | data_addr += write_size; |
| 142 | data_len -= write_size; |
Channagoud Kadabi | 53f1be7 | 2013-06-05 17:56:11 -0700 | [diff] [blame] | 143 | } |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 144 | |
| 145 | if (data_len) |
| 146 | val = mmc_sdhci_write((struct mmc_device *)dev, (void *)sptr, (data_addr / block_size), (data_len / block_size)); |
| 147 | |
| 148 | if (val) |
| 149 | dprintf(CRITICAL, "Failed Writing block @ %x\n", (data_addr / block_size)); |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 150 | } |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 151 | else |
| 152 | { |
| 153 | arch_clean_invalidate_cache_range((addr_t)in, data_len); |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 154 | |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 155 | ret = ufs_write((struct ufs_dev *)dev, data_addr, (addr_t)in, (data_len / block_size)); |
Channagoud Kadabi | 53f1be7 | 2013-06-05 17:56:11 -0700 | [diff] [blame] | 156 | |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 157 | if (ret) |
| 158 | { |
| 159 | dprintf(CRITICAL, "Error: UFS write failed writing to block: %llu\n", data_addr); |
| 160 | val = 1; |
| 161 | } |
| 162 | } |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 163 | |
| 164 | return val; |
| 165 | } |
| 166 | |
| 167 | /* |
| 168 | * Function: mmc_read |
| 169 | * Arg : Data address on card, o/p buffer & data length |
| 170 | * Return : 0 on Success, non zero on failure |
| 171 | * Flow : Read data from the card to out |
| 172 | */ |
| 173 | uint32_t mmc_read(uint64_t data_addr, uint32_t *out, uint32_t data_len) |
| 174 | { |
| 175 | uint32_t ret = 0; |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 176 | uint32_t block_size; |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 177 | uint32_t read_size = SDHCI_ADMA_MAX_TRANS_SZ; |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 178 | void *dev; |
Channagoud Kadabi | 53f1be7 | 2013-06-05 17:56:11 -0700 | [diff] [blame] | 179 | uint8_t *sptr = (uint8_t *)out; |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 180 | |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 181 | dev = target_mmc_device(); |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 182 | block_size = mmc_get_device_blocksize(); |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 183 | |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 184 | ASSERT(!(data_addr % block_size)); |
| 185 | ASSERT(!(data_len % block_size)); |
| 186 | |
| 187 | |
Sundarajan Srinivasan | 9786c45 | 2014-03-21 17:34:58 -0700 | [diff] [blame] | 188 | if (platform_boot_dev_isemmc()) |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 189 | { |
| 190 | /* TODO: This function is aware of max data that can be |
| 191 | * tranferred using sdhci adma mode, need to have a cleaner |
| 192 | * implementation to keep this function independent of sdhci |
| 193 | * limitations |
| 194 | */ |
| 195 | while (data_len > read_size) { |
| 196 | ret = mmc_sdhci_read((struct mmc_device *)dev, (void *)sptr, (data_addr / block_size), (read_size / block_size)); |
| 197 | if (ret) |
| 198 | { |
| 199 | dprintf(CRITICAL, "Failed Reading block @ %x\n", (data_addr / block_size)); |
| 200 | return ret; |
| 201 | } |
| 202 | sptr += read_size; |
| 203 | data_addr += read_size; |
| 204 | data_len -= read_size; |
| 205 | } |
| 206 | |
| 207 | if (data_len) |
| 208 | ret = mmc_sdhci_read((struct mmc_device *)dev, (void *)sptr, (data_addr / block_size), (data_len / block_size)); |
| 209 | |
| 210 | if (ret) |
| 211 | dprintf(CRITICAL, "Failed Reading block @ %x\n", (data_addr / block_size)); |
| 212 | } |
| 213 | else |
| 214 | { |
| 215 | ret = ufs_read((struct ufs_dev *) dev, data_addr, (addr_t)out, (data_len / block_size)); |
Channagoud Kadabi | 53f1be7 | 2013-06-05 17:56:11 -0700 | [diff] [blame] | 216 | if (ret) |
| 217 | { |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 218 | dprintf(CRITICAL, "Error: UFS read failed writing to block: %llu\n", data_addr); |
Channagoud Kadabi | 53f1be7 | 2013-06-05 17:56:11 -0700 | [diff] [blame] | 219 | } |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 220 | |
| 221 | arch_invalidate_cache_range((addr_t)out, data_len); |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 222 | } |
| 223 | |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 224 | return ret; |
| 225 | } |
| 226 | |
Sundarajan Srinivasan | 7b74ed2 | 2013-11-01 16:01:06 -0700 | [diff] [blame] | 227 | |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 228 | /* |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 229 | * Function: mmc get erase unit size |
| 230 | * Arg : None |
| 231 | * Return : Returns the erase unit size of the storage |
| 232 | * Flow : Get the erase unit size from the card |
| 233 | */ |
| 234 | |
| 235 | uint32_t mmc_get_eraseunit_size() |
| 236 | { |
| 237 | uint32_t erase_unit_sz = 0; |
| 238 | |
Sundarajan Srinivasan | 9786c45 | 2014-03-21 17:34:58 -0700 | [diff] [blame] | 239 | if (platform_boot_dev_isemmc()) { |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 240 | struct mmc_device *dev; |
| 241 | struct mmc_card *card; |
| 242 | |
| 243 | dev = target_mmc_device(); |
| 244 | card = &dev->card; |
| 245 | /* |
| 246 | * Calculate the erase unit size, |
| 247 | * 1. Based on emmc 4.5 spec for emmc card |
| 248 | * 2. Use SD Card Status info for SD cards |
| 249 | */ |
| 250 | if (MMC_CARD_MMC(card)) |
| 251 | { |
| 252 | /* |
| 253 | * Calculate the erase unit size as per the emmc specification v4.5 |
| 254 | */ |
| 255 | if (dev->card.ext_csd[MMC_ERASE_GRP_DEF]) |
| 256 | erase_unit_sz = (MMC_HC_ERASE_MULT * dev->card.ext_csd[MMC_HC_ERASE_GRP_SIZE]) / MMC_BLK_SZ; |
| 257 | else |
| 258 | erase_unit_sz = (dev->card.csd.erase_grp_size + 1) * (dev->card.csd.erase_grp_mult + 1); |
| 259 | } |
| 260 | else |
| 261 | erase_unit_sz = dev->card.ssr.au_size * dev->card.ssr.num_aus; |
| 262 | } |
| 263 | |
| 264 | return erase_unit_sz; |
| 265 | } |
| 266 | |
| 267 | /* |
| 268 | * Function: Zero out blk_len blocks at the blk_addr by writing zeros. The |
| 269 | * function can be used when we want to erase the blocks not |
| 270 | * aligned with the mmc erase group. |
| 271 | * Arg : Block address & length |
| 272 | * Return : Returns 0 |
| 273 | * Flow : Erase the card from specified addr |
| 274 | */ |
| 275 | |
| 276 | static uint32_t mmc_zero_out(struct mmc_device* dev, uint32_t blk_addr, uint32_t num_blks) |
| 277 | { |
| 278 | uint32_t *out; |
Channagoud Kadabi | a87af97 | 2014-03-10 15:26:48 -0700 | [diff] [blame] | 279 | uint32_t block_size = mmc_get_device_blocksize(); |
| 280 | uint32_t erase_size = (block_size * num_blks); |
| 281 | uint32_t scratch_size = target_get_max_flash_size(); |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 282 | |
| 283 | dprintf(INFO, "erasing 0x%x:0x%x\n", blk_addr, num_blks); |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 284 | |
Channagoud Kadabi | a87af97 | 2014-03-10 15:26:48 -0700 | [diff] [blame] | 285 | if (erase_size <= scratch_size) |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 286 | { |
Channagoud Kadabi | a87af97 | 2014-03-10 15:26:48 -0700 | [diff] [blame] | 287 | /* Use scratch address if the unaligned blocks */ |
| 288 | out = (uint32_t *) target_get_scratch_address(); |
| 289 | } |
| 290 | else |
| 291 | { |
| 292 | dprintf(CRITICAL, "Erase Fail: Erase size: %u is bigger than scratch region:%u\n", scratch_size); |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 293 | return 1; |
| 294 | } |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 295 | |
Channagoud Kadabi | a87af97 | 2014-03-10 15:26:48 -0700 | [diff] [blame] | 296 | memset((void *)out, 0, erase_size); |
| 297 | |
| 298 | if (mmc_sdhci_write(dev, out, blk_addr, num_blks)) |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 299 | { |
Channagoud Kadabi | a87af97 | 2014-03-10 15:26:48 -0700 | [diff] [blame] | 300 | dprintf(CRITICAL, "failed to erase the partition: %x\n", blk_addr); |
| 301 | return 1; |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 302 | } |
Channagoud Kadabi | a87af97 | 2014-03-10 15:26:48 -0700 | [diff] [blame] | 303 | |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 304 | return 0; |
| 305 | } |
| 306 | |
| 307 | /* |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 308 | * Function: mmc erase card |
| 309 | * Arg : Block address & length |
| 310 | * Return : Returns 0 |
Channagoud Kadabi | d87c6b1 | 2013-05-29 15:22:03 -0700 | [diff] [blame] | 311 | * Flow : Erase the card from specified addr |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 312 | */ |
| 313 | uint32_t mmc_erase_card(uint64_t addr, uint64_t len) |
| 314 | { |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 315 | struct mmc_device *dev; |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 316 | uint32_t block_size; |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 317 | uint32_t unaligned_blks; |
| 318 | uint32_t head_unit; |
| 319 | uint32_t tail_unit; |
| 320 | uint32_t erase_unit_sz; |
| 321 | uint32_t blk_addr; |
| 322 | uint32_t blk_count; |
| 323 | uint64_t blks_to_erase; |
Channagoud Kadabi | d87c6b1 | 2013-05-29 15:22:03 -0700 | [diff] [blame] | 324 | |
Sundarajan Srinivasan | 7b74ed2 | 2013-11-01 16:01:06 -0700 | [diff] [blame] | 325 | block_size = mmc_get_device_blocksize(); |
| 326 | |
| 327 | dev = target_mmc_device(); |
| 328 | |
| 329 | ASSERT(!(addr % block_size)); |
| 330 | ASSERT(!(len % block_size)); |
| 331 | |
Sundarajan Srinivasan | 9786c45 | 2014-03-21 17:34:58 -0700 | [diff] [blame] | 332 | if (platform_boot_dev_isemmc()) |
Channagoud Kadabi | d87c6b1 | 2013-05-29 15:22:03 -0700 | [diff] [blame] | 333 | { |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 334 | erase_unit_sz = mmc_get_eraseunit_size(); |
| 335 | dprintf(SPEW, "erase_unit_sz:0x%x\n", erase_unit_sz); |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 336 | |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 337 | blk_addr = addr / block_size; |
| 338 | blk_count = len / block_size; |
| 339 | |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 340 | dprintf(INFO, "Erasing card: 0x%x:0x%x\n", blk_addr, blk_count); |
| 341 | |
| 342 | head_unit = blk_addr / erase_unit_sz; |
| 343 | tail_unit = (blk_addr + blk_count - 1) / erase_unit_sz; |
| 344 | |
| 345 | if (tail_unit - head_unit <= 1) |
| 346 | { |
| 347 | dprintf(INFO, "SDHCI unit erase not required\n"); |
| 348 | return mmc_zero_out(dev, blk_addr, blk_count); |
| 349 | } |
| 350 | |
| 351 | unaligned_blks = erase_unit_sz - (blk_addr % erase_unit_sz); |
| 352 | |
| 353 | if (unaligned_blks < erase_unit_sz) |
| 354 | { |
| 355 | dprintf(SPEW, "Handling unaligned head blocks\n"); |
| 356 | if (mmc_zero_out(dev, blk_addr, unaligned_blks)) |
| 357 | return 1; |
| 358 | |
| 359 | blk_addr += unaligned_blks; |
| 360 | blk_count -= unaligned_blks; |
vijay kumar | 08bde37 | 2014-09-22 16:17:59 +0530 | [diff] [blame] | 361 | |
| 362 | head_unit = blk_addr / erase_unit_sz; |
| 363 | tail_unit = (blk_addr + blk_count - 1) / erase_unit_sz; |
| 364 | |
| 365 | if (tail_unit - head_unit <= 1) |
| 366 | { |
| 367 | dprintf(INFO, "SDHCI unit erase not required\n"); |
| 368 | return mmc_zero_out(dev, blk_addr, blk_count); |
| 369 | } |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 370 | } |
| 371 | |
| 372 | unaligned_blks = blk_count % erase_unit_sz; |
| 373 | blks_to_erase = blk_count - unaligned_blks; |
| 374 | |
| 375 | dprintf(SPEW, "Performing SDHCI erase: 0x%x:0x%x\n", blk_addr, blks_to_erase); |
| 376 | if (mmc_sdhci_erase((struct mmc_device *)dev, blk_addr, blks_to_erase * block_size)) |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 377 | { |
| 378 | dprintf(CRITICAL, "MMC erase failed\n"); |
| 379 | return 1; |
| 380 | } |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 381 | |
| 382 | blk_addr += blks_to_erase; |
| 383 | |
| 384 | if (unaligned_blks) |
| 385 | { |
| 386 | dprintf(SPEW, "Handling unaligned tail blocks\n"); |
| 387 | if (mmc_zero_out(dev, blk_addr, unaligned_blks)) |
| 388 | return 1; |
| 389 | } |
| 390 | |
Channagoud Kadabi | d87c6b1 | 2013-05-29 15:22:03 -0700 | [diff] [blame] | 391 | } |
Sundarajan Srinivasan | 7b74ed2 | 2013-11-01 16:01:06 -0700 | [diff] [blame] | 392 | else |
| 393 | { |
| 394 | if(ufs_erase((struct ufs_dev *)dev, addr, (len / block_size))) |
| 395 | { |
| 396 | dprintf(CRITICAL, "mmc_erase_card: UFS erase failed\n"); |
| 397 | return 1; |
| 398 | } |
| 399 | } |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 400 | |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 401 | return 0; |
| 402 | } |
| 403 | |
| 404 | /* |
| 405 | * Function: mmc get psn |
| 406 | * Arg : None |
| 407 | * Return : Returns the product serial number |
| 408 | * Flow : Get the PSN from card |
| 409 | */ |
| 410 | uint32_t mmc_get_psn(void) |
| 411 | { |
Sundarajan Srinivasan | 9786c45 | 2014-03-21 17:34:58 -0700 | [diff] [blame] | 412 | if (platform_boot_dev_isemmc()) |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 413 | { |
| 414 | struct mmc_card *card; |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 415 | |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 416 | card = get_mmc_card(); |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 417 | |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 418 | return card->cid.psn; |
| 419 | } |
| 420 | else |
| 421 | { |
| 422 | void *dev; |
| 423 | |
| 424 | dev = target_mmc_device(); |
| 425 | |
| 426 | return ufs_get_serial_num((struct ufs_dev *)dev); |
| 427 | } |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 428 | } |
| 429 | |
| 430 | /* |
| 431 | * Function: mmc get capacity |
| 432 | * Arg : None |
| 433 | * Return : Returns the density of the emmc card |
| 434 | * Flow : Get the density from card |
| 435 | */ |
| 436 | uint64_t mmc_get_device_capacity() |
| 437 | { |
Sundarajan Srinivasan | 9786c45 | 2014-03-21 17:34:58 -0700 | [diff] [blame] | 438 | if (platform_boot_dev_isemmc()) |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 439 | { |
| 440 | struct mmc_card *card; |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 441 | |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 442 | card = get_mmc_card(); |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 443 | |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 444 | return card->capacity; |
| 445 | } |
| 446 | else |
| 447 | { |
| 448 | void *dev; |
| 449 | |
| 450 | dev = target_mmc_device(); |
| 451 | |
| 452 | return ufs_get_dev_capacity((struct ufs_dev *)dev); |
| 453 | } |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 454 | } |
| 455 | |
Channagoud Kadabi | 96c629e | 2013-09-10 14:21:30 -0700 | [diff] [blame] | 456 | /* |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 457 | * Function: mmc get blocksize |
Channagoud Kadabi | 96c629e | 2013-09-10 14:21:30 -0700 | [diff] [blame] | 458 | * Arg : None |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 459 | * Return : Returns the block size of the storage |
| 460 | * Flow : Get the block size form the card |
Channagoud Kadabi | 96c629e | 2013-09-10 14:21:30 -0700 | [diff] [blame] | 461 | */ |
| 462 | uint32_t mmc_get_device_blocksize() |
| 463 | { |
Sundarajan Srinivasan | 9786c45 | 2014-03-21 17:34:58 -0700 | [diff] [blame] | 464 | if (platform_boot_dev_isemmc()) |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 465 | { |
| 466 | struct mmc_card *card; |
Channagoud Kadabi | 96c629e | 2013-09-10 14:21:30 -0700 | [diff] [blame] | 467 | |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 468 | card = get_mmc_card(); |
Channagoud Kadabi | 96c629e | 2013-09-10 14:21:30 -0700 | [diff] [blame] | 469 | |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 470 | return card->block_size; |
| 471 | } |
| 472 | else |
| 473 | { |
| 474 | void *dev; |
| 475 | |
| 476 | dev = target_mmc_device(); |
| 477 | |
| 478 | return ufs_get_page_size((struct ufs_dev *)dev); |
| 479 | } |
| 480 | } |
| 481 | |
| 482 | /* |
| 483 | * Function: storage page size |
| 484 | * Arg : None |
| 485 | * Return : Returns the page size for the card |
| 486 | * Flow : Get the page size for storage |
| 487 | */ |
| 488 | uint32_t mmc_page_size() |
| 489 | { |
Sundarajan Srinivasan | 9786c45 | 2014-03-21 17:34:58 -0700 | [diff] [blame] | 490 | if (platform_boot_dev_isemmc()) |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 491 | { |
| 492 | return BOARD_KERNEL_PAGESIZE; |
| 493 | } |
| 494 | else |
| 495 | { |
| 496 | void *dev; |
| 497 | |
| 498 | dev = target_mmc_device(); |
| 499 | |
| 500 | return ufs_get_page_size((struct ufs_dev *)dev); |
| 501 | } |
| 502 | } |
| 503 | |
| 504 | /* |
| 505 | * Function: mmc device sleep |
| 506 | * Arg : None |
| 507 | * Return : Clean up function for storage |
| 508 | * Flow : Put the mmc card to sleep |
| 509 | */ |
| 510 | void mmc_device_sleep() |
| 511 | { |
| 512 | void *dev; |
| 513 | dev = target_mmc_device(); |
| 514 | |
Sundarajan Srinivasan | 9786c45 | 2014-03-21 17:34:58 -0700 | [diff] [blame] | 515 | if (platform_boot_dev_isemmc()) |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 516 | { |
| 517 | mmc_put_card_to_sleep((struct mmc_device *)dev); |
| 518 | } |
Channagoud Kadabi | 96c629e | 2013-09-10 14:21:30 -0700 | [diff] [blame] | 519 | } |
Sundarajan Srinivasan | 15516f2 | 2013-12-04 17:11:36 -0800 | [diff] [blame] | 520 | |
| 521 | /* |
| 522 | * Function : mmc set LUN for ufs |
| 523 | * Arg : LUN number |
| 524 | * Return type : void |
| 525 | */ |
| 526 | void mmc_set_lun(uint8_t lun) |
| 527 | { |
| 528 | void *dev; |
| 529 | dev = target_mmc_device(); |
| 530 | |
Sundarajan Srinivasan | 9786c45 | 2014-03-21 17:34:58 -0700 | [diff] [blame] | 531 | if (!platform_boot_dev_isemmc()) |
Sundarajan Srinivasan | 15516f2 | 2013-12-04 17:11:36 -0800 | [diff] [blame] | 532 | { |
| 533 | ((struct ufs_dev*)dev)->current_lun = lun; |
| 534 | } |
| 535 | } |
| 536 | |
| 537 | /* |
| 538 | * Function : mmc get LUN from ufs |
| 539 | * Arg : LUN number |
| 540 | * Return type : lun number for UFS and 0 for emmc |
| 541 | */ |
| 542 | uint8_t mmc_get_lun(void) |
| 543 | { |
| 544 | void *dev; |
| 545 | uint8_t lun=0; |
| 546 | |
| 547 | dev = target_mmc_device(); |
| 548 | |
Sundarajan Srinivasan | 9786c45 | 2014-03-21 17:34:58 -0700 | [diff] [blame] | 549 | if (!platform_boot_dev_isemmc()) |
Sundarajan Srinivasan | 15516f2 | 2013-12-04 17:11:36 -0800 | [diff] [blame] | 550 | { |
| 551 | lun = ((struct ufs_dev*)dev)->current_lun; |
| 552 | } |
| 553 | |
| 554 | return lun; |
| 555 | } |
| 556 | |
| 557 | void mmc_read_partition_table(uint8_t arg) |
| 558 | { |
| 559 | void *dev; |
| 560 | uint8_t lun = 0; |
| 561 | uint8_t max_luns; |
| 562 | |
| 563 | dev = target_mmc_device(); |
| 564 | |
Sundarajan Srinivasan | 9786c45 | 2014-03-21 17:34:58 -0700 | [diff] [blame] | 565 | if(!platform_boot_dev_isemmc()) |
Sundarajan Srinivasan | 15516f2 | 2013-12-04 17:11:36 -0800 | [diff] [blame] | 566 | { |
| 567 | max_luns = ufs_get_num_of_luns((struct ufs_dev*)dev); |
| 568 | |
| 569 | ASSERT(max_luns); |
| 570 | |
| 571 | for(lun = arg; lun < max_luns; lun++) |
| 572 | { |
| 573 | mmc_set_lun(lun); |
| 574 | |
| 575 | if(partition_read_table()) |
| 576 | { |
| 577 | dprintf(CRITICAL, "Error reading the partition table info for lun %d\n", lun); |
| 578 | } |
| 579 | } |
Sridhar Parasuram | 176c222 | 2014-09-16 16:34:01 -0700 | [diff] [blame] | 580 | mmc_set_lun(0); |
Sundarajan Srinivasan | 15516f2 | 2013-12-04 17:11:36 -0800 | [diff] [blame] | 581 | } |
| 582 | else |
| 583 | { |
| 584 | if(partition_read_table()) |
| 585 | { |
| 586 | dprintf(CRITICAL, "Error reading the partition table info\n"); |
| 587 | } |
| 588 | } |
| 589 | } |
Channagoud Kadabi | faf20f6 | 2014-10-21 22:22:37 -0700 | [diff] [blame] | 590 | |
| 591 | uint32_t mmc_write_protect(const char *ptn_name, int set_clr) |
| 592 | { |
| 593 | void *dev = NULL; |
| 594 | struct mmc_card *card = NULL; |
| 595 | uint32_t block_size; |
| 596 | unsigned long long ptn = 0; |
| 597 | uint64_t size; |
| 598 | int index = -1; |
| 599 | int ret = 0; |
| 600 | |
| 601 | dev = target_mmc_device(); |
| 602 | block_size = mmc_get_device_blocksize(); |
| 603 | |
| 604 | if (platform_boot_dev_isemmc()) |
| 605 | { |
| 606 | card = &((struct mmc_device *)dev)->card; |
| 607 | |
| 608 | index = partition_get_index(ptn_name); |
| 609 | |
| 610 | ptn = partition_get_offset(index); |
| 611 | if(!ptn) |
| 612 | { |
| 613 | return 1; |
| 614 | } |
| 615 | |
| 616 | size = partition_get_size(index); |
| 617 | |
| 618 | /* |
| 619 | * For read only partitions the minimum size allocated on the disk is |
| 620 | * 1 WP GRP size. If the size of partition is less than 1 WP GRP size |
| 621 | * protect atleast one WP group. |
| 622 | */ |
| 623 | if (partition_read_only(index) && size < card->wp_grp_size) |
| 624 | { |
| 625 | size = card->wp_grp_size * block_size; |
| 626 | } |
| 627 | /* Set the power on WP bit */ |
| 628 | return mmc_set_clr_power_on_wp_user((struct mmc_device *)dev, (ptn / block_size), size, set_clr); |
| 629 | } |
| 630 | else |
| 631 | { |
| 632 | /* Enable the power on WP fo all LUNs which have WP bit is enabled */ |
| 633 | ret = dme_set_fpoweronwpen((struct ufs_dev*) dev); |
| 634 | if (ret < 0) |
| 635 | { |
| 636 | dprintf(CRITICAL, "Failure to WP UFS partition\n"); |
| 637 | return 1; |
| 638 | } |
| 639 | } |
| 640 | |
| 641 | return 0; |
| 642 | } |