Channagoud Kadabi | bb9c3e3 | 2015-02-26 16:04:39 -0800 | [diff] [blame] | 1 | /* Copyright (c) 2013-2015, 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> |
vijay kumar | 4f4405f | 2014-08-08 11:49:53 +0530 | [diff] [blame] | 38 | #include <boot_device.h> |
Sridhar Parasuram | c02d107 | 2014-11-06 12:55:42 -0800 | [diff] [blame] | 39 | #include <dme.h> |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 40 | /* |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 41 | * Weak function for UFS. |
| 42 | * These are needed to avoid link errors for platforms which |
| 43 | * do not support UFS. Its better to keep this inside the |
| 44 | * mmc wrapper. |
| 45 | */ |
| 46 | __WEAK int ufs_write(struct ufs_dev *dev, uint64_t data_addr, addr_t in, uint32_t len) |
| 47 | { |
| 48 | return 0; |
| 49 | } |
| 50 | |
| 51 | __WEAK int ufs_read(struct ufs_dev *dev, uint64_t data_addr, addr_t in, uint32_t len) |
| 52 | { |
| 53 | return 0; |
| 54 | } |
| 55 | |
| 56 | __WEAK uint32_t ufs_get_page_size(struct ufs_dev *dev) |
| 57 | { |
| 58 | return 0; |
| 59 | } |
| 60 | |
| 61 | __WEAK uint32_t ufs_get_serial_num(struct ufs_dev *dev) |
| 62 | { |
| 63 | return 0; |
| 64 | } |
| 65 | |
| 66 | __WEAK uint64_t ufs_get_dev_capacity(struct ufs_dev *dev) |
| 67 | { |
| 68 | return 0; |
| 69 | } |
| 70 | |
Sundarajan Srinivasan | 7b74ed2 | 2013-11-01 16:01:06 -0700 | [diff] [blame] | 71 | __WEAK uint32_t ufs_get_erase_blk_size(struct ufs_dev *dev) |
| 72 | { |
| 73 | return 0; |
| 74 | } |
| 75 | |
| 76 | __WEAK int ufs_erase(struct ufs_dev* dev, uint64_t start_lba, uint32_t num_blocks) |
| 77 | { |
| 78 | return 0; |
| 79 | } |
Sundarajan Srinivasan | 15516f2 | 2013-12-04 17:11:36 -0800 | [diff] [blame] | 80 | |
| 81 | __WEAK uint8_t ufs_get_num_of_luns(struct ufs_dev* dev) |
| 82 | { |
| 83 | return 0; |
| 84 | } |
| 85 | |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 86 | /* |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 87 | * Function: get mmc card |
| 88 | * Arg : None |
| 89 | * Return : Pointer to mmc card structure |
| 90 | * Flow : Get the card pointer from the device structure |
| 91 | */ |
| 92 | static struct mmc_card *get_mmc_card() |
| 93 | { |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 94 | void *dev; |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 95 | struct mmc_card *card; |
| 96 | |
| 97 | dev = target_mmc_device(); |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 98 | card = &((struct mmc_device*)dev)->card; |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 99 | |
| 100 | return card; |
| 101 | } |
| 102 | |
| 103 | /* |
| 104 | * Function: mmc_write |
| 105 | * Arg : Data address on card, data length, i/p buffer |
| 106 | * Return : 0 on Success, non zero on failure |
| 107 | * Flow : Write the data from in to the card |
| 108 | */ |
| 109 | uint32_t mmc_write(uint64_t data_addr, uint32_t data_len, void *in) |
| 110 | { |
Channagoud Kadabi | 53f1be7 | 2013-06-05 17:56:11 -0700 | [diff] [blame] | 111 | uint32_t val = 0; |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 112 | int ret = 0; |
| 113 | uint32_t block_size = 0; |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 114 | uint32_t write_size = SDHCI_ADMA_MAX_TRANS_SZ; |
Channagoud Kadabi | 53f1be7 | 2013-06-05 17:56:11 -0700 | [diff] [blame] | 115 | uint8_t *sptr = (uint8_t *)in; |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 116 | void *dev; |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 117 | |
| 118 | dev = target_mmc_device(); |
| 119 | |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 120 | block_size = mmc_get_device_blocksize(); |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 121 | |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 122 | ASSERT(!(data_addr % block_size)); |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 123 | |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 124 | if (data_len % block_size) |
| 125 | data_len = ROUNDUP(data_len, block_size); |
| 126 | |
Sundarajan Srinivasan | 9786c45 | 2014-03-21 17:34:58 -0700 | [diff] [blame] | 127 | if (platform_boot_dev_isemmc()) |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 128 | { |
| 129 | /* TODO: This function is aware of max data that can be |
| 130 | * tranferred using sdhci adma mode, need to have a cleaner |
| 131 | * implementation to keep this function independent of sdhci |
| 132 | * limitations |
| 133 | */ |
| 134 | while (data_len > write_size) { |
| 135 | val = mmc_sdhci_write((struct mmc_device *)dev, (void *)sptr, (data_addr / block_size), (write_size / block_size)); |
| 136 | if (val) |
| 137 | { |
vijay kumar | 4f4405f | 2014-08-08 11:49:53 +0530 | [diff] [blame] | 138 | dprintf(CRITICAL, "Failed Writing block @ %x\n",(unsigned int)(data_addr / block_size)); |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 139 | return val; |
| 140 | } |
| 141 | sptr += write_size; |
| 142 | data_addr += write_size; |
| 143 | data_len -= write_size; |
Channagoud Kadabi | 53f1be7 | 2013-06-05 17:56:11 -0700 | [diff] [blame] | 144 | } |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 145 | |
| 146 | if (data_len) |
| 147 | val = mmc_sdhci_write((struct mmc_device *)dev, (void *)sptr, (data_addr / block_size), (data_len / block_size)); |
| 148 | |
| 149 | if (val) |
vijay kumar | 4f4405f | 2014-08-08 11:49:53 +0530 | [diff] [blame] | 150 | dprintf(CRITICAL, "Failed Writing block @ %x\n",(unsigned int)(data_addr / block_size)); |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 151 | } |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 152 | else |
| 153 | { |
| 154 | arch_clean_invalidate_cache_range((addr_t)in, data_len); |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 155 | |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 156 | 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] | 157 | |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 158 | if (ret) |
| 159 | { |
| 160 | dprintf(CRITICAL, "Error: UFS write failed writing to block: %llu\n", data_addr); |
| 161 | val = 1; |
| 162 | } |
| 163 | } |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 164 | |
| 165 | return val; |
| 166 | } |
| 167 | |
| 168 | /* |
| 169 | * Function: mmc_read |
| 170 | * Arg : Data address on card, o/p buffer & data length |
| 171 | * Return : 0 on Success, non zero on failure |
| 172 | * Flow : Read data from the card to out |
| 173 | */ |
| 174 | uint32_t mmc_read(uint64_t data_addr, uint32_t *out, uint32_t data_len) |
| 175 | { |
| 176 | uint32_t ret = 0; |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 177 | uint32_t block_size; |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 178 | uint32_t read_size = SDHCI_ADMA_MAX_TRANS_SZ; |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 179 | void *dev; |
Channagoud Kadabi | 53f1be7 | 2013-06-05 17:56:11 -0700 | [diff] [blame] | 180 | uint8_t *sptr = (uint8_t *)out; |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 181 | |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 182 | dev = target_mmc_device(); |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 183 | block_size = mmc_get_device_blocksize(); |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 184 | |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 185 | ASSERT(!(data_addr % block_size)); |
| 186 | ASSERT(!(data_len % block_size)); |
| 187 | |
| 188 | |
Sundarajan Srinivasan | 9786c45 | 2014-03-21 17:34:58 -0700 | [diff] [blame] | 189 | if (platform_boot_dev_isemmc()) |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 190 | { |
| 191 | /* TODO: This function is aware of max data that can be |
| 192 | * tranferred using sdhci adma mode, need to have a cleaner |
| 193 | * implementation to keep this function independent of sdhci |
| 194 | * limitations |
| 195 | */ |
| 196 | while (data_len > read_size) { |
| 197 | ret = mmc_sdhci_read((struct mmc_device *)dev, (void *)sptr, (data_addr / block_size), (read_size / block_size)); |
| 198 | if (ret) |
| 199 | { |
vijay kumar | 4f4405f | 2014-08-08 11:49:53 +0530 | [diff] [blame] | 200 | dprintf(CRITICAL, "Failed Reading block @ %x\n",(unsigned int) (data_addr / block_size)); |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 201 | return ret; |
| 202 | } |
| 203 | sptr += read_size; |
| 204 | data_addr += read_size; |
| 205 | data_len -= read_size; |
| 206 | } |
| 207 | |
| 208 | if (data_len) |
| 209 | ret = mmc_sdhci_read((struct mmc_device *)dev, (void *)sptr, (data_addr / block_size), (data_len / block_size)); |
| 210 | |
| 211 | if (ret) |
vijay kumar | 4f4405f | 2014-08-08 11:49:53 +0530 | [diff] [blame] | 212 | dprintf(CRITICAL, "Failed Reading block @ %x\n",(unsigned int) (data_addr / block_size)); |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 213 | } |
| 214 | else |
| 215 | { |
| 216 | 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] | 217 | if (ret) |
| 218 | { |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 219 | 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] | 220 | } |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 221 | |
| 222 | arch_invalidate_cache_range((addr_t)out, data_len); |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 223 | } |
| 224 | |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 225 | return ret; |
| 226 | } |
| 227 | |
Sundarajan Srinivasan | 7b74ed2 | 2013-11-01 16:01:06 -0700 | [diff] [blame] | 228 | |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 229 | /* |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 230 | * Function: mmc get erase unit size |
| 231 | * Arg : None |
| 232 | * Return : Returns the erase unit size of the storage |
| 233 | * Flow : Get the erase unit size from the card |
| 234 | */ |
| 235 | |
| 236 | uint32_t mmc_get_eraseunit_size() |
| 237 | { |
| 238 | uint32_t erase_unit_sz = 0; |
| 239 | |
Sundarajan Srinivasan | 9786c45 | 2014-03-21 17:34:58 -0700 | [diff] [blame] | 240 | if (platform_boot_dev_isemmc()) { |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 241 | struct mmc_device *dev; |
| 242 | struct mmc_card *card; |
| 243 | |
| 244 | dev = target_mmc_device(); |
| 245 | card = &dev->card; |
| 246 | /* |
| 247 | * Calculate the erase unit size, |
| 248 | * 1. Based on emmc 4.5 spec for emmc card |
| 249 | * 2. Use SD Card Status info for SD cards |
| 250 | */ |
| 251 | if (MMC_CARD_MMC(card)) |
| 252 | { |
| 253 | /* |
| 254 | * Calculate the erase unit size as per the emmc specification v4.5 |
| 255 | */ |
| 256 | if (dev->card.ext_csd[MMC_ERASE_GRP_DEF]) |
| 257 | erase_unit_sz = (MMC_HC_ERASE_MULT * dev->card.ext_csd[MMC_HC_ERASE_GRP_SIZE]) / MMC_BLK_SZ; |
| 258 | else |
| 259 | erase_unit_sz = (dev->card.csd.erase_grp_size + 1) * (dev->card.csd.erase_grp_mult + 1); |
| 260 | } |
| 261 | else |
| 262 | erase_unit_sz = dev->card.ssr.au_size * dev->card.ssr.num_aus; |
| 263 | } |
| 264 | |
| 265 | return erase_unit_sz; |
| 266 | } |
| 267 | |
| 268 | /* |
| 269 | * Function: Zero out blk_len blocks at the blk_addr by writing zeros. The |
| 270 | * function can be used when we want to erase the blocks not |
| 271 | * aligned with the mmc erase group. |
| 272 | * Arg : Block address & length |
| 273 | * Return : Returns 0 |
| 274 | * Flow : Erase the card from specified addr |
| 275 | */ |
| 276 | |
| 277 | static uint32_t mmc_zero_out(struct mmc_device* dev, uint32_t blk_addr, uint32_t num_blks) |
| 278 | { |
| 279 | uint32_t *out; |
Channagoud Kadabi | a87af97 | 2014-03-10 15:26:48 -0700 | [diff] [blame] | 280 | uint32_t block_size = mmc_get_device_blocksize(); |
| 281 | uint32_t erase_size = (block_size * num_blks); |
| 282 | uint32_t scratch_size = target_get_max_flash_size(); |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 283 | |
| 284 | dprintf(INFO, "erasing 0x%x:0x%x\n", blk_addr, num_blks); |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 285 | |
Channagoud Kadabi | a87af97 | 2014-03-10 15:26:48 -0700 | [diff] [blame] | 286 | if (erase_size <= scratch_size) |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 287 | { |
Channagoud Kadabi | a87af97 | 2014-03-10 15:26:48 -0700 | [diff] [blame] | 288 | /* Use scratch address if the unaligned blocks */ |
| 289 | out = (uint32_t *) target_get_scratch_address(); |
| 290 | } |
| 291 | else |
| 292 | { |
vijay kumar | 4f4405f | 2014-08-08 11:49:53 +0530 | [diff] [blame] | 293 | dprintf(CRITICAL, "Erase Fail: Erase size: %u is bigger than scratch region\n", scratch_size); |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 294 | return 1; |
| 295 | } |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 296 | |
Channagoud Kadabi | a87af97 | 2014-03-10 15:26:48 -0700 | [diff] [blame] | 297 | memset((void *)out, 0, erase_size); |
| 298 | |
| 299 | if (mmc_sdhci_write(dev, out, blk_addr, num_blks)) |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 300 | { |
Channagoud Kadabi | a87af97 | 2014-03-10 15:26:48 -0700 | [diff] [blame] | 301 | dprintf(CRITICAL, "failed to erase the partition: %x\n", blk_addr); |
| 302 | return 1; |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 303 | } |
Channagoud Kadabi | a87af97 | 2014-03-10 15:26:48 -0700 | [diff] [blame] | 304 | |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 305 | return 0; |
| 306 | } |
| 307 | |
| 308 | /* |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 309 | * Function: mmc erase card |
| 310 | * Arg : Block address & length |
| 311 | * Return : Returns 0 |
Channagoud Kadabi | d87c6b1 | 2013-05-29 15:22:03 -0700 | [diff] [blame] | 312 | * Flow : Erase the card from specified addr |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 313 | */ |
| 314 | uint32_t mmc_erase_card(uint64_t addr, uint64_t len) |
| 315 | { |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 316 | struct mmc_device *dev; |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 317 | uint32_t block_size; |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 318 | uint32_t unaligned_blks; |
| 319 | uint32_t head_unit; |
| 320 | uint32_t tail_unit; |
| 321 | uint32_t erase_unit_sz; |
| 322 | uint32_t blk_addr; |
| 323 | uint32_t blk_count; |
| 324 | uint64_t blks_to_erase; |
Channagoud Kadabi | d87c6b1 | 2013-05-29 15:22:03 -0700 | [diff] [blame] | 325 | |
Sundarajan Srinivasan | 7b74ed2 | 2013-11-01 16:01:06 -0700 | [diff] [blame] | 326 | block_size = mmc_get_device_blocksize(); |
| 327 | |
| 328 | dev = target_mmc_device(); |
| 329 | |
| 330 | ASSERT(!(addr % block_size)); |
| 331 | ASSERT(!(len % block_size)); |
| 332 | |
Sundarajan Srinivasan | 9786c45 | 2014-03-21 17:34:58 -0700 | [diff] [blame] | 333 | if (platform_boot_dev_isemmc()) |
Channagoud Kadabi | d87c6b1 | 2013-05-29 15:22:03 -0700 | [diff] [blame] | 334 | { |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 335 | erase_unit_sz = mmc_get_eraseunit_size(); |
| 336 | dprintf(SPEW, "erase_unit_sz:0x%x\n", erase_unit_sz); |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 337 | |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 338 | blk_addr = addr / block_size; |
| 339 | blk_count = len / block_size; |
| 340 | |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 341 | dprintf(INFO, "Erasing card: 0x%x:0x%x\n", blk_addr, blk_count); |
| 342 | |
| 343 | head_unit = blk_addr / erase_unit_sz; |
| 344 | tail_unit = (blk_addr + blk_count - 1) / erase_unit_sz; |
| 345 | |
| 346 | if (tail_unit - head_unit <= 1) |
| 347 | { |
| 348 | dprintf(INFO, "SDHCI unit erase not required\n"); |
| 349 | return mmc_zero_out(dev, blk_addr, blk_count); |
| 350 | } |
| 351 | |
| 352 | unaligned_blks = erase_unit_sz - (blk_addr % erase_unit_sz); |
| 353 | |
| 354 | if (unaligned_blks < erase_unit_sz) |
| 355 | { |
| 356 | dprintf(SPEW, "Handling unaligned head blocks\n"); |
| 357 | if (mmc_zero_out(dev, blk_addr, unaligned_blks)) |
| 358 | return 1; |
| 359 | |
| 360 | blk_addr += unaligned_blks; |
| 361 | blk_count -= unaligned_blks; |
vijay kumar | 08bde37 | 2014-09-22 16:17:59 +0530 | [diff] [blame] | 362 | |
| 363 | head_unit = blk_addr / erase_unit_sz; |
| 364 | tail_unit = (blk_addr + blk_count - 1) / erase_unit_sz; |
| 365 | |
| 366 | if (tail_unit - head_unit <= 1) |
| 367 | { |
| 368 | dprintf(INFO, "SDHCI unit erase not required\n"); |
| 369 | return mmc_zero_out(dev, blk_addr, blk_count); |
| 370 | } |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 371 | } |
| 372 | |
| 373 | unaligned_blks = blk_count % erase_unit_sz; |
| 374 | blks_to_erase = blk_count - unaligned_blks; |
| 375 | |
vijay kumar | 4f4405f | 2014-08-08 11:49:53 +0530 | [diff] [blame] | 376 | dprintf(SPEW, "Performing SDHCI erase: 0x%x:0x%x\n", blk_addr,(unsigned int)blks_to_erase); |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 377 | 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] | 378 | { |
| 379 | dprintf(CRITICAL, "MMC erase failed\n"); |
| 380 | return 1; |
| 381 | } |
Oliver Wang | cee448d | 2013-10-22 18:40:13 +0800 | [diff] [blame] | 382 | |
| 383 | blk_addr += blks_to_erase; |
| 384 | |
| 385 | if (unaligned_blks) |
| 386 | { |
| 387 | dprintf(SPEW, "Handling unaligned tail blocks\n"); |
| 388 | if (mmc_zero_out(dev, blk_addr, unaligned_blks)) |
| 389 | return 1; |
| 390 | } |
| 391 | |
Channagoud Kadabi | d87c6b1 | 2013-05-29 15:22:03 -0700 | [diff] [blame] | 392 | } |
Sundarajan Srinivasan | 7b74ed2 | 2013-11-01 16:01:06 -0700 | [diff] [blame] | 393 | else |
| 394 | { |
| 395 | if(ufs_erase((struct ufs_dev *)dev, addr, (len / block_size))) |
| 396 | { |
| 397 | dprintf(CRITICAL, "mmc_erase_card: UFS erase failed\n"); |
| 398 | return 1; |
| 399 | } |
| 400 | } |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 401 | |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 402 | return 0; |
| 403 | } |
| 404 | |
| 405 | /* |
| 406 | * Function: mmc get psn |
| 407 | * Arg : None |
| 408 | * Return : Returns the product serial number |
| 409 | * Flow : Get the PSN from card |
| 410 | */ |
| 411 | uint32_t mmc_get_psn(void) |
| 412 | { |
Sundarajan Srinivasan | 9786c45 | 2014-03-21 17:34:58 -0700 | [diff] [blame] | 413 | if (platform_boot_dev_isemmc()) |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 414 | { |
| 415 | struct mmc_card *card; |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 416 | |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 417 | card = get_mmc_card(); |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 418 | |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 419 | return card->cid.psn; |
| 420 | } |
| 421 | else |
| 422 | { |
| 423 | void *dev; |
| 424 | |
| 425 | dev = target_mmc_device(); |
| 426 | |
| 427 | return ufs_get_serial_num((struct ufs_dev *)dev); |
| 428 | } |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 429 | } |
| 430 | |
| 431 | /* |
| 432 | * Function: mmc get capacity |
| 433 | * Arg : None |
| 434 | * Return : Returns the density of the emmc card |
| 435 | * Flow : Get the density from card |
| 436 | */ |
| 437 | uint64_t mmc_get_device_capacity() |
| 438 | { |
Sundarajan Srinivasan | 9786c45 | 2014-03-21 17:34:58 -0700 | [diff] [blame] | 439 | if (platform_boot_dev_isemmc()) |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 440 | { |
| 441 | struct mmc_card *card; |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 442 | |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 443 | card = get_mmc_card(); |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 444 | |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 445 | return card->capacity; |
| 446 | } |
| 447 | else |
| 448 | { |
| 449 | void *dev; |
| 450 | |
| 451 | dev = target_mmc_device(); |
| 452 | |
| 453 | return ufs_get_dev_capacity((struct ufs_dev *)dev); |
| 454 | } |
Channagoud Kadabi | 4ed511f | 2013-03-11 16:10:18 -0700 | [diff] [blame] | 455 | } |
| 456 | |
Channagoud Kadabi | 96c629e | 2013-09-10 14:21:30 -0700 | [diff] [blame] | 457 | /* |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 458 | * Function: mmc get blocksize |
Channagoud Kadabi | 96c629e | 2013-09-10 14:21:30 -0700 | [diff] [blame] | 459 | * Arg : None |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 460 | * Return : Returns the block size of the storage |
| 461 | * Flow : Get the block size form the card |
Channagoud Kadabi | 96c629e | 2013-09-10 14:21:30 -0700 | [diff] [blame] | 462 | */ |
| 463 | uint32_t mmc_get_device_blocksize() |
| 464 | { |
Sundarajan Srinivasan | 9786c45 | 2014-03-21 17:34:58 -0700 | [diff] [blame] | 465 | if (platform_boot_dev_isemmc()) |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 466 | { |
| 467 | struct mmc_card *card; |
Channagoud Kadabi | 96c629e | 2013-09-10 14:21:30 -0700 | [diff] [blame] | 468 | |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 469 | card = get_mmc_card(); |
Channagoud Kadabi | 96c629e | 2013-09-10 14:21:30 -0700 | [diff] [blame] | 470 | |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 471 | return card->block_size; |
| 472 | } |
| 473 | else |
| 474 | { |
| 475 | void *dev; |
| 476 | |
| 477 | dev = target_mmc_device(); |
| 478 | |
| 479 | return ufs_get_page_size((struct ufs_dev *)dev); |
| 480 | } |
| 481 | } |
| 482 | |
| 483 | /* |
| 484 | * Function: storage page size |
| 485 | * Arg : None |
| 486 | * Return : Returns the page size for the card |
| 487 | * Flow : Get the page size for storage |
| 488 | */ |
| 489 | uint32_t mmc_page_size() |
| 490 | { |
Sundarajan Srinivasan | 9786c45 | 2014-03-21 17:34:58 -0700 | [diff] [blame] | 491 | if (platform_boot_dev_isemmc()) |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 492 | { |
| 493 | return BOARD_KERNEL_PAGESIZE; |
| 494 | } |
| 495 | else |
| 496 | { |
| 497 | void *dev; |
| 498 | |
| 499 | dev = target_mmc_device(); |
| 500 | |
| 501 | return ufs_get_page_size((struct ufs_dev *)dev); |
| 502 | } |
| 503 | } |
| 504 | |
| 505 | /* |
| 506 | * Function: mmc device sleep |
| 507 | * Arg : None |
| 508 | * Return : Clean up function for storage |
| 509 | * Flow : Put the mmc card to sleep |
| 510 | */ |
| 511 | void mmc_device_sleep() |
| 512 | { |
| 513 | void *dev; |
| 514 | dev = target_mmc_device(); |
| 515 | |
Sundarajan Srinivasan | 9786c45 | 2014-03-21 17:34:58 -0700 | [diff] [blame] | 516 | if (platform_boot_dev_isemmc()) |
Channagoud Kadabi | a17fc42 | 2013-09-11 12:25:34 -0700 | [diff] [blame] | 517 | { |
| 518 | mmc_put_card_to_sleep((struct mmc_device *)dev); |
| 519 | } |
Channagoud Kadabi | 96c629e | 2013-09-10 14:21:30 -0700 | [diff] [blame] | 520 | } |
Sundarajan Srinivasan | 15516f2 | 2013-12-04 17:11:36 -0800 | [diff] [blame] | 521 | |
| 522 | /* |
| 523 | * Function : mmc set LUN for ufs |
| 524 | * Arg : LUN number |
| 525 | * Return type : void |
| 526 | */ |
| 527 | void mmc_set_lun(uint8_t lun) |
| 528 | { |
| 529 | void *dev; |
| 530 | dev = target_mmc_device(); |
| 531 | |
Sundarajan Srinivasan | 9786c45 | 2014-03-21 17:34:58 -0700 | [diff] [blame] | 532 | if (!platform_boot_dev_isemmc()) |
Sundarajan Srinivasan | 15516f2 | 2013-12-04 17:11:36 -0800 | [diff] [blame] | 533 | { |
| 534 | ((struct ufs_dev*)dev)->current_lun = lun; |
| 535 | } |
| 536 | } |
| 537 | |
| 538 | /* |
| 539 | * Function : mmc get LUN from ufs |
| 540 | * Arg : LUN number |
| 541 | * Return type : lun number for UFS and 0 for emmc |
| 542 | */ |
| 543 | uint8_t mmc_get_lun(void) |
| 544 | { |
| 545 | void *dev; |
| 546 | uint8_t lun=0; |
| 547 | |
| 548 | dev = target_mmc_device(); |
| 549 | |
Sundarajan Srinivasan | 9786c45 | 2014-03-21 17:34:58 -0700 | [diff] [blame] | 550 | if (!platform_boot_dev_isemmc()) |
Sundarajan Srinivasan | 15516f2 | 2013-12-04 17:11:36 -0800 | [diff] [blame] | 551 | { |
| 552 | lun = ((struct ufs_dev*)dev)->current_lun; |
| 553 | } |
| 554 | |
| 555 | return lun; |
| 556 | } |
| 557 | |
| 558 | void mmc_read_partition_table(uint8_t arg) |
| 559 | { |
| 560 | void *dev; |
| 561 | uint8_t lun = 0; |
| 562 | uint8_t max_luns; |
| 563 | |
| 564 | dev = target_mmc_device(); |
| 565 | |
Sundarajan Srinivasan | 9786c45 | 2014-03-21 17:34:58 -0700 | [diff] [blame] | 566 | if(!platform_boot_dev_isemmc()) |
Sundarajan Srinivasan | 15516f2 | 2013-12-04 17:11:36 -0800 | [diff] [blame] | 567 | { |
| 568 | max_luns = ufs_get_num_of_luns((struct ufs_dev*)dev); |
| 569 | |
| 570 | ASSERT(max_luns); |
| 571 | |
| 572 | for(lun = arg; lun < max_luns; lun++) |
| 573 | { |
| 574 | mmc_set_lun(lun); |
| 575 | |
| 576 | if(partition_read_table()) |
| 577 | { |
| 578 | dprintf(CRITICAL, "Error reading the partition table info for lun %d\n", lun); |
| 579 | } |
| 580 | } |
Sridhar Parasuram | 176c222 | 2014-09-16 16:34:01 -0700 | [diff] [blame] | 581 | mmc_set_lun(0); |
Sundarajan Srinivasan | 15516f2 | 2013-12-04 17:11:36 -0800 | [diff] [blame] | 582 | } |
| 583 | else |
| 584 | { |
| 585 | if(partition_read_table()) |
| 586 | { |
| 587 | dprintf(CRITICAL, "Error reading the partition table info\n"); |
| 588 | } |
| 589 | } |
| 590 | } |
Channagoud Kadabi | faf20f6 | 2014-10-21 22:22:37 -0700 | [diff] [blame] | 591 | |
| 592 | uint32_t mmc_write_protect(const char *ptn_name, int set_clr) |
| 593 | { |
| 594 | void *dev = NULL; |
| 595 | struct mmc_card *card = NULL; |
| 596 | uint32_t block_size; |
| 597 | unsigned long long ptn = 0; |
| 598 | uint64_t size; |
| 599 | int index = -1; |
Unnati Gandhi | e10b4f3 | 2015-03-05 17:27:57 +0530 | [diff] [blame^] | 600 | #ifdef UFS_SUPPORT |
Channagoud Kadabi | faf20f6 | 2014-10-21 22:22:37 -0700 | [diff] [blame] | 601 | int ret = 0; |
Unnati Gandhi | e10b4f3 | 2015-03-05 17:27:57 +0530 | [diff] [blame^] | 602 | #endif |
Channagoud Kadabi | faf20f6 | 2014-10-21 22:22:37 -0700 | [diff] [blame] | 603 | |
| 604 | dev = target_mmc_device(); |
| 605 | block_size = mmc_get_device_blocksize(); |
| 606 | |
| 607 | if (platform_boot_dev_isemmc()) |
| 608 | { |
| 609 | card = &((struct mmc_device *)dev)->card; |
| 610 | |
| 611 | index = partition_get_index(ptn_name); |
| 612 | |
| 613 | ptn = partition_get_offset(index); |
| 614 | if(!ptn) |
| 615 | { |
| 616 | return 1; |
| 617 | } |
| 618 | |
Channagoud Kadabi | bb9c3e3 | 2015-02-26 16:04:39 -0800 | [diff] [blame] | 619 | /* Convert the size to blocks */ |
| 620 | size = partition_get_size(index) / block_size; |
Channagoud Kadabi | faf20f6 | 2014-10-21 22:22:37 -0700 | [diff] [blame] | 621 | |
| 622 | /* |
| 623 | * For read only partitions the minimum size allocated on the disk is |
| 624 | * 1 WP GRP size. If the size of partition is less than 1 WP GRP size |
| 625 | * protect atleast one WP group. |
| 626 | */ |
| 627 | if (partition_read_only(index) && size < card->wp_grp_size) |
| 628 | { |
Channagoud Kadabi | bb9c3e3 | 2015-02-26 16:04:39 -0800 | [diff] [blame] | 629 | /* Write protect api takes the size in bytes, convert size to bytes */ |
Channagoud Kadabi | faf20f6 | 2014-10-21 22:22:37 -0700 | [diff] [blame] | 630 | size = card->wp_grp_size * block_size; |
| 631 | } |
| 632 | /* Set the power on WP bit */ |
| 633 | return mmc_set_clr_power_on_wp_user((struct mmc_device *)dev, (ptn / block_size), size, set_clr); |
| 634 | } |
| 635 | else |
| 636 | { |
Unnati Gandhi | e10b4f3 | 2015-03-05 17:27:57 +0530 | [diff] [blame^] | 637 | #ifdef UFS_SUPPORT |
Channagoud Kadabi | faf20f6 | 2014-10-21 22:22:37 -0700 | [diff] [blame] | 638 | /* Enable the power on WP fo all LUNs which have WP bit is enabled */ |
| 639 | ret = dme_set_fpoweronwpen((struct ufs_dev*) dev); |
| 640 | if (ret < 0) |
| 641 | { |
| 642 | dprintf(CRITICAL, "Failure to WP UFS partition\n"); |
| 643 | return 1; |
| 644 | } |
Unnati Gandhi | e10b4f3 | 2015-03-05 17:27:57 +0530 | [diff] [blame^] | 645 | #endif |
Channagoud Kadabi | faf20f6 | 2014-10-21 22:22:37 -0700 | [diff] [blame] | 646 | } |
| 647 | |
| 648 | return 0; |
| 649 | } |