1e7ecf7cbSSimon Glass /* 2e7ecf7cbSSimon Glass * Copyright (C) 2015 Google, Inc 3e7ecf7cbSSimon Glass * Written by Simon Glass <sjg@chromium.org> 4e7ecf7cbSSimon Glass * 5e7ecf7cbSSimon Glass * SPDX-License-Identifier: GPL-2.0+ 6e7ecf7cbSSimon Glass */ 7e7ecf7cbSSimon Glass 8e7ecf7cbSSimon Glass #include <common.h> 9e7ecf7cbSSimon Glass #include <mmc.h> 10e7ecf7cbSSimon Glass #include <dm.h> 11eede897eSSimon Glass #include <dm/device-internal.h> 12e7ecf7cbSSimon Glass #include <dm/lists.h> 13e7ecf7cbSSimon Glass #include <dm/root.h> 14eede897eSSimon Glass #include "mmc_private.h" 15e7ecf7cbSSimon Glass 1602ad33aaSJaehoon Chung DECLARE_GLOBAL_DATA_PTR; 1702ad33aaSJaehoon Chung 188ca51e51SSimon Glass int dm_mmc_send_cmd(struct udevice *dev, struct mmc_cmd *cmd, 198ca51e51SSimon Glass struct mmc_data *data) 208ca51e51SSimon Glass { 218ca51e51SSimon Glass struct mmc *mmc = mmc_get_mmc_dev(dev); 228ca51e51SSimon Glass struct dm_mmc_ops *ops = mmc_get_ops(dev); 238ca51e51SSimon Glass int ret; 248ca51e51SSimon Glass 258ca51e51SSimon Glass mmmc_trace_before_send(mmc, cmd); 268ca51e51SSimon Glass if (ops->send_cmd) 278ca51e51SSimon Glass ret = ops->send_cmd(dev, cmd, data); 288ca51e51SSimon Glass else 298ca51e51SSimon Glass ret = -ENOSYS; 308ca51e51SSimon Glass mmmc_trace_after_send(mmc, cmd, ret); 318ca51e51SSimon Glass 328ca51e51SSimon Glass return ret; 338ca51e51SSimon Glass } 348ca51e51SSimon Glass 358ca51e51SSimon Glass int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data) 368ca51e51SSimon Glass { 378ca51e51SSimon Glass return dm_mmc_send_cmd(mmc->dev, cmd, data); 388ca51e51SSimon Glass } 398ca51e51SSimon Glass 408ca51e51SSimon Glass int dm_mmc_set_ios(struct udevice *dev) 418ca51e51SSimon Glass { 428ca51e51SSimon Glass struct dm_mmc_ops *ops = mmc_get_ops(dev); 438ca51e51SSimon Glass 448ca51e51SSimon Glass if (!ops->set_ios) 458ca51e51SSimon Glass return -ENOSYS; 468ca51e51SSimon Glass return ops->set_ios(dev); 478ca51e51SSimon Glass } 488ca51e51SSimon Glass 498ca51e51SSimon Glass int mmc_set_ios(struct mmc *mmc) 508ca51e51SSimon Glass { 518ca51e51SSimon Glass return dm_mmc_set_ios(mmc->dev); 528ca51e51SSimon Glass } 538ca51e51SSimon Glass 54318a7a57SJean-Jacques Hiblot void dm_mmc_send_init_stream(struct udevice *dev) 55318a7a57SJean-Jacques Hiblot { 56318a7a57SJean-Jacques Hiblot struct dm_mmc_ops *ops = mmc_get_ops(dev); 57318a7a57SJean-Jacques Hiblot 58318a7a57SJean-Jacques Hiblot if (ops->send_init_stream) 59318a7a57SJean-Jacques Hiblot ops->send_init_stream(dev); 60318a7a57SJean-Jacques Hiblot } 61318a7a57SJean-Jacques Hiblot 62318a7a57SJean-Jacques Hiblot void mmc_send_init_stream(struct mmc *mmc) 63318a7a57SJean-Jacques Hiblot { 64318a7a57SJean-Jacques Hiblot dm_mmc_send_init_stream(mmc->dev); 65318a7a57SJean-Jacques Hiblot } 66318a7a57SJean-Jacques Hiblot 67*c10b85d6SJean-Jacques Hiblot int dm_mmc_wait_dat0(struct udevice *dev, int state, int timeout) 68*c10b85d6SJean-Jacques Hiblot { 69*c10b85d6SJean-Jacques Hiblot struct dm_mmc_ops *ops = mmc_get_ops(dev); 70*c10b85d6SJean-Jacques Hiblot 71*c10b85d6SJean-Jacques Hiblot if (!ops->wait_dat0) 72*c10b85d6SJean-Jacques Hiblot return -ENOSYS; 73*c10b85d6SJean-Jacques Hiblot return ops->wait_dat0(dev, state, timeout); 74*c10b85d6SJean-Jacques Hiblot } 75*c10b85d6SJean-Jacques Hiblot 76*c10b85d6SJean-Jacques Hiblot int mmc_wait_dat0(struct mmc *mmc, int state, int timeout) 77*c10b85d6SJean-Jacques Hiblot { 78*c10b85d6SJean-Jacques Hiblot return dm_mmc_wait_dat0(mmc->dev, state, timeout); 79*c10b85d6SJean-Jacques Hiblot } 80*c10b85d6SJean-Jacques Hiblot 818ca51e51SSimon Glass int dm_mmc_get_wp(struct udevice *dev) 828ca51e51SSimon Glass { 838ca51e51SSimon Glass struct dm_mmc_ops *ops = mmc_get_ops(dev); 848ca51e51SSimon Glass 858ca51e51SSimon Glass if (!ops->get_wp) 868ca51e51SSimon Glass return -ENOSYS; 878ca51e51SSimon Glass return ops->get_wp(dev); 888ca51e51SSimon Glass } 898ca51e51SSimon Glass 908ca51e51SSimon Glass int mmc_getwp(struct mmc *mmc) 918ca51e51SSimon Glass { 928ca51e51SSimon Glass return dm_mmc_get_wp(mmc->dev); 938ca51e51SSimon Glass } 948ca51e51SSimon Glass 958ca51e51SSimon Glass int dm_mmc_get_cd(struct udevice *dev) 968ca51e51SSimon Glass { 978ca51e51SSimon Glass struct dm_mmc_ops *ops = mmc_get_ops(dev); 988ca51e51SSimon Glass 998ca51e51SSimon Glass if (!ops->get_cd) 1008ca51e51SSimon Glass return -ENOSYS; 1018ca51e51SSimon Glass return ops->get_cd(dev); 1028ca51e51SSimon Glass } 1038ca51e51SSimon Glass 1048ca51e51SSimon Glass int mmc_getcd(struct mmc *mmc) 1058ca51e51SSimon Glass { 1068ca51e51SSimon Glass return dm_mmc_get_cd(mmc->dev); 1078ca51e51SSimon Glass } 1088ca51e51SSimon Glass 109ec841209SKishon Vijay Abraham I int dm_mmc_execute_tuning(struct udevice *dev, uint opcode) 110ec841209SKishon Vijay Abraham I { 111ec841209SKishon Vijay Abraham I struct dm_mmc_ops *ops = mmc_get_ops(dev); 112ec841209SKishon Vijay Abraham I 113ec841209SKishon Vijay Abraham I if (!ops->execute_tuning) 114ec841209SKishon Vijay Abraham I return -ENOSYS; 115ec841209SKishon Vijay Abraham I return ops->execute_tuning(dev, opcode); 116ec841209SKishon Vijay Abraham I } 117ec841209SKishon Vijay Abraham I 118ec841209SKishon Vijay Abraham I int mmc_execute_tuning(struct mmc *mmc, uint opcode) 119ec841209SKishon Vijay Abraham I { 120ec841209SKishon Vijay Abraham I return dm_mmc_execute_tuning(mmc->dev, opcode); 121ec841209SKishon Vijay Abraham I } 122ec841209SKishon Vijay Abraham I 123e7ecf7cbSSimon Glass struct mmc *mmc_get_mmc_dev(struct udevice *dev) 124e7ecf7cbSSimon Glass { 125e7ecf7cbSSimon Glass struct mmc_uclass_priv *upriv; 126e7ecf7cbSSimon Glass 127e7ecf7cbSSimon Glass if (!device_active(dev)) 128e7ecf7cbSSimon Glass return NULL; 129e7ecf7cbSSimon Glass upriv = dev_get_uclass_priv(dev); 130e7ecf7cbSSimon Glass return upriv->mmc; 131e7ecf7cbSSimon Glass } 132e7ecf7cbSSimon Glass 133c4d660d4SSimon Glass #if CONFIG_IS_ENABLED(BLK) 1348ef761edSSimon Glass struct mmc *find_mmc_device(int dev_num) 1358ef761edSSimon Glass { 1368ef761edSSimon Glass struct udevice *dev, *mmc_dev; 1378ef761edSSimon Glass int ret; 1388ef761edSSimon Glass 13997525647SSimon Glass ret = blk_find_device(IF_TYPE_MMC, dev_num, &dev); 1408ef761edSSimon Glass 1418ef761edSSimon Glass if (ret) { 1428ef761edSSimon Glass #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT) 1438ef761edSSimon Glass printf("MMC Device %d not found\n", dev_num); 1448ef761edSSimon Glass #endif 1458ef761edSSimon Glass return NULL; 1468ef761edSSimon Glass } 1478ef761edSSimon Glass 1488ef761edSSimon Glass mmc_dev = dev_get_parent(dev); 1498ef761edSSimon Glass 15097525647SSimon Glass struct mmc *mmc = mmc_get_mmc_dev(mmc_dev); 15197525647SSimon Glass 15297525647SSimon Glass return mmc; 1538ef761edSSimon Glass } 1548ef761edSSimon Glass 1558ef761edSSimon Glass int get_mmc_num(void) 1568ef761edSSimon Glass { 15746683f3dSKever Yang return max((blk_find_max_devnum(IF_TYPE_MMC) + 1), 0); 1588ef761edSSimon Glass } 1598ef761edSSimon Glass 1608ef761edSSimon Glass int mmc_get_next_devnum(void) 1618ef761edSSimon Glass { 162dd399cb7SMasahiro Yamada return blk_find_max_devnum(IF_TYPE_MMC); 1638ef761edSSimon Glass } 1648ef761edSSimon Glass 1658ef761edSSimon Glass struct blk_desc *mmc_get_blk_desc(struct mmc *mmc) 1668ef761edSSimon Glass { 1678ef761edSSimon Glass struct blk_desc *desc; 1688ef761edSSimon Glass struct udevice *dev; 1698ef761edSSimon Glass 1708ef761edSSimon Glass device_find_first_child(mmc->dev, &dev); 1718ef761edSSimon Glass if (!dev) 1728ef761edSSimon Glass return NULL; 1738ef761edSSimon Glass desc = dev_get_uclass_platdata(dev); 1748ef761edSSimon Glass 1758ef761edSSimon Glass return desc; 1768ef761edSSimon Glass } 1778ef761edSSimon Glass 1788ef761edSSimon Glass void mmc_do_preinit(void) 1798ef761edSSimon Glass { 1808ef761edSSimon Glass struct udevice *dev; 1818ef761edSSimon Glass struct uclass *uc; 1828ef761edSSimon Glass int ret; 1838ef761edSSimon Glass 1848ef761edSSimon Glass ret = uclass_get(UCLASS_MMC, &uc); 1858ef761edSSimon Glass if (ret) 1868ef761edSSimon Glass return; 1878ef761edSSimon Glass uclass_foreach_dev(dev, uc) { 1888ef761edSSimon Glass struct mmc *m = mmc_get_mmc_dev(dev); 1898ef761edSSimon Glass 1908ef761edSSimon Glass if (!m) 1918ef761edSSimon Glass continue; 1928ef761edSSimon Glass #ifdef CONFIG_FSL_ESDHC_ADAPTER_IDENT 1938ef761edSSimon Glass mmc_set_preinit(m, 1); 1948ef761edSSimon Glass #endif 1958ef761edSSimon Glass if (m->preinit) 1968ef761edSSimon Glass mmc_start_init(m); 1978ef761edSSimon Glass } 1988ef761edSSimon Glass } 1998ef761edSSimon Glass 2008ef761edSSimon Glass #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT) 2018ef761edSSimon Glass void print_mmc_devices(char separator) 2028ef761edSSimon Glass { 2038ef761edSSimon Glass struct udevice *dev; 2048ef761edSSimon Glass char *mmc_type; 2058ef761edSSimon Glass bool first = true; 2068ef761edSSimon Glass 2078ef761edSSimon Glass for (uclass_first_device(UCLASS_MMC, &dev); 2088ef761edSSimon Glass dev; 2091bd4f92cSXu Ziyuan uclass_next_device(&dev), first = false) { 2108ef761edSSimon Glass struct mmc *m = mmc_get_mmc_dev(dev); 2118ef761edSSimon Glass 2128ef761edSSimon Glass if (!first) { 2138ef761edSSimon Glass printf("%c", separator); 2148ef761edSSimon Glass if (separator != '\n') 2158ef761edSSimon Glass puts(" "); 2168ef761edSSimon Glass } 2178ef761edSSimon Glass if (m->has_init) 2188ef761edSSimon Glass mmc_type = IS_SD(m) ? "SD" : "eMMC"; 2198ef761edSSimon Glass else 2208ef761edSSimon Glass mmc_type = NULL; 2218ef761edSSimon Glass 2228ef761edSSimon Glass printf("%s: %d", m->cfg->name, mmc_get_blk_desc(m)->devnum); 2238ef761edSSimon Glass if (mmc_type) 2248ef761edSSimon Glass printf(" (%s)", mmc_type); 2258ef761edSSimon Glass } 2268ef761edSSimon Glass 2278ef761edSSimon Glass printf("\n"); 2288ef761edSSimon Glass } 2298ef761edSSimon Glass 2308ef761edSSimon Glass #else 2318ef761edSSimon Glass void print_mmc_devices(char separator) { } 2328ef761edSSimon Glass #endif 233eede897eSSimon Glass 234eede897eSSimon Glass int mmc_bind(struct udevice *dev, struct mmc *mmc, const struct mmc_config *cfg) 235eede897eSSimon Glass { 236eede897eSSimon Glass struct blk_desc *bdesc; 237eede897eSSimon Glass struct udevice *bdev; 23802ad33aaSJaehoon Chung int ret, devnum = -1; 239eede897eSSimon Glass 24066656020SSimon Glass if (!mmc_get_ops(dev)) 24166656020SSimon Glass return -ENOSYS; 24202ad33aaSJaehoon Chung #ifndef CONFIG_SPL_BUILD 24302ad33aaSJaehoon Chung /* Use the fixed index with aliase node's index */ 24466e0ed5cSSimon Glass ret = dev_read_alias_seq(dev, &devnum); 24566e0ed5cSSimon Glass debug("%s: alias ret=%d, devnum=%d\n", __func__, ret, devnum); 24602ad33aaSJaehoon Chung #endif 24702ad33aaSJaehoon Chung 24802ad33aaSJaehoon Chung ret = blk_create_devicef(dev, "mmc_blk", "blk", IF_TYPE_MMC, 24902ad33aaSJaehoon Chung devnum, 512, 0, &bdev); 250eede897eSSimon Glass if (ret) { 251eede897eSSimon Glass debug("Cannot create block device\n"); 252eede897eSSimon Glass return ret; 253eede897eSSimon Glass } 254eede897eSSimon Glass bdesc = dev_get_uclass_platdata(bdev); 255eede897eSSimon Glass mmc->cfg = cfg; 256eede897eSSimon Glass mmc->priv = dev; 257eede897eSSimon Glass 258eede897eSSimon Glass /* the following chunk was from mmc_register() */ 259eede897eSSimon Glass 260eede897eSSimon Glass /* Setup dsr related values */ 261eede897eSSimon Glass mmc->dsr_imp = 0; 262eede897eSSimon Glass mmc->dsr = 0xffffffff; 263eede897eSSimon Glass /* Setup the universal parts of the block interface just once */ 264eede897eSSimon Glass bdesc->removable = 1; 265eede897eSSimon Glass 266eede897eSSimon Glass /* setup initial part type */ 267eede897eSSimon Glass bdesc->part_type = cfg->part_type; 268eede897eSSimon Glass mmc->dev = dev; 269eede897eSSimon Glass 270eede897eSSimon Glass return 0; 271eede897eSSimon Glass } 272eede897eSSimon Glass 273eede897eSSimon Glass int mmc_unbind(struct udevice *dev) 274eede897eSSimon Glass { 275eede897eSSimon Glass struct udevice *bdev; 276eede897eSSimon Glass 277eede897eSSimon Glass device_find_first_child(dev, &bdev); 278eede897eSSimon Glass if (bdev) { 279706865afSStefan Roese device_remove(bdev, DM_REMOVE_NORMAL); 280eede897eSSimon Glass device_unbind(bdev); 281eede897eSSimon Glass } 282eede897eSSimon Glass 283eede897eSSimon Glass return 0; 284eede897eSSimon Glass } 285eede897eSSimon Glass 286eede897eSSimon Glass static int mmc_select_hwpart(struct udevice *bdev, int hwpart) 287eede897eSSimon Glass { 288eede897eSSimon Glass struct udevice *mmc_dev = dev_get_parent(bdev); 289eede897eSSimon Glass struct mmc *mmc = mmc_get_mmc_dev(mmc_dev); 290eede897eSSimon Glass struct blk_desc *desc = dev_get_uclass_platdata(bdev); 291eede897eSSimon Glass 292eede897eSSimon Glass if (desc->hwpart == hwpart) 293eede897eSSimon Glass return 0; 294eede897eSSimon Glass 295eede897eSSimon Glass if (mmc->part_config == MMCPART_NOAVAILABLE) 296eede897eSSimon Glass return -EMEDIUMTYPE; 297eede897eSSimon Glass 298dd399cb7SMasahiro Yamada return mmc_switch_part(mmc, hwpart); 299eede897eSSimon Glass } 300eede897eSSimon Glass 301a0269bb6SFiach Antaw static int mmc_blk_probe(struct udevice *dev) 302a0269bb6SFiach Antaw { 303854f9a71SSimon Glass struct udevice *mmc_dev = dev_get_parent(dev); 304854f9a71SSimon Glass struct mmc_uclass_priv *upriv = dev_get_uclass_priv(mmc_dev); 305854f9a71SSimon Glass struct mmc *mmc = upriv->mmc; 306854f9a71SSimon Glass int ret; 307a0269bb6SFiach Antaw 308854f9a71SSimon Glass ret = mmc_init(mmc); 309854f9a71SSimon Glass if (ret) { 310854f9a71SSimon Glass debug("%s: mmc_init() failed (err=%d)\n", __func__, ret); 311854f9a71SSimon Glass return ret; 312854f9a71SSimon Glass } 313854f9a71SSimon Glass 314854f9a71SSimon Glass return 0; 315a0269bb6SFiach Antaw } 316a0269bb6SFiach Antaw 317eede897eSSimon Glass static const struct blk_ops mmc_blk_ops = { 318eede897eSSimon Glass .read = mmc_bread, 319eede897eSSimon Glass #ifndef CONFIG_SPL_BUILD 320eede897eSSimon Glass .write = mmc_bwrite, 321561e624cSSimon Glass .erase = mmc_berase, 322eede897eSSimon Glass #endif 323eede897eSSimon Glass .select_hwpart = mmc_select_hwpart, 324eede897eSSimon Glass }; 325eede897eSSimon Glass 326eede897eSSimon Glass U_BOOT_DRIVER(mmc_blk) = { 327eede897eSSimon Glass .name = "mmc_blk", 328eede897eSSimon Glass .id = UCLASS_BLK, 329eede897eSSimon Glass .ops = &mmc_blk_ops, 330a0269bb6SFiach Antaw .probe = mmc_blk_probe, 331eede897eSSimon Glass }; 3328ef761edSSimon Glass #endif /* CONFIG_BLK */ 3338ef761edSSimon Glass 334e7ecf7cbSSimon Glass U_BOOT_DRIVER(mmc) = { 335e7ecf7cbSSimon Glass .name = "mmc", 336e7ecf7cbSSimon Glass .id = UCLASS_MMC, 337e7ecf7cbSSimon Glass }; 338e7ecf7cbSSimon Glass 339e7ecf7cbSSimon Glass UCLASS_DRIVER(mmc) = { 340e7ecf7cbSSimon Glass .id = UCLASS_MMC, 341e7ecf7cbSSimon Glass .name = "mmc", 342e7ecf7cbSSimon Glass .flags = DM_UC_FLAG_SEQ_ALIAS, 343e7ecf7cbSSimon Glass .per_device_auto_alloc_size = sizeof(struct mmc_uclass_priv), 344e7ecf7cbSSimon Glass }; 345