183d290c5STom Rini // SPDX-License-Identifier: GPL-2.0+ 24c2dbefdSSimon Glass /* 34c2dbefdSSimon Glass * Copyright (c) 2014 Google, Inc 44c2dbefdSSimon Glass */ 54c2dbefdSSimon Glass 64c2dbefdSSimon Glass #include <common.h> 74c2dbefdSSimon Glass #include <dm.h> 84c2dbefdSSimon Glass #include <spi.h> 94c2dbefdSSimon Glass #include <spi_flash.h> 104c2dbefdSSimon Glass #include <dm/device-internal.h> 114c2dbefdSSimon Glass #include "sf_internal.h" 124c2dbefdSSimon Glass 132588f2ddSMichal Simek DECLARE_GLOBAL_DATA_PTR; 142588f2ddSMichal Simek 158d987abcSSimon Glass int spi_flash_read_dm(struct udevice *dev, u32 offset, size_t len, void *buf) 168d987abcSSimon Glass { 17*5e24a2efSSimon Glass return log_ret(sf_get_ops(dev)->read(dev, offset, len, buf)); 188d987abcSSimon Glass } 198d987abcSSimon Glass 208d987abcSSimon Glass int spi_flash_write_dm(struct udevice *dev, u32 offset, size_t len, 218d987abcSSimon Glass const void *buf) 228d987abcSSimon Glass { 23*5e24a2efSSimon Glass return log_ret(sf_get_ops(dev)->write(dev, offset, len, buf)); 248d987abcSSimon Glass } 258d987abcSSimon Glass 268d987abcSSimon Glass int spi_flash_erase_dm(struct udevice *dev, u32 offset, size_t len) 278d987abcSSimon Glass { 28*5e24a2efSSimon Glass return log_ret(sf_get_ops(dev)->erase(dev, offset, len)); 298d987abcSSimon Glass } 308d987abcSSimon Glass 314c2dbefdSSimon Glass /* 324c2dbefdSSimon Glass * TODO(sjg@chromium.org): This is an old-style function. We should remove 334c2dbefdSSimon Glass * it when all SPI flash drivers use dm 344c2dbefdSSimon Glass */ 354c2dbefdSSimon Glass struct spi_flash *spi_flash_probe(unsigned int bus, unsigned int cs, 364c2dbefdSSimon Glass unsigned int max_hz, unsigned int spi_mode) 374c2dbefdSSimon Glass { 384c2dbefdSSimon Glass struct udevice *dev; 394c2dbefdSSimon Glass 404c2dbefdSSimon Glass if (spi_flash_probe_bus_cs(bus, cs, max_hz, spi_mode, &dev)) 414c2dbefdSSimon Glass return NULL; 424c2dbefdSSimon Glass 43e564f054SSimon Glass return dev_get_uclass_priv(dev); 444c2dbefdSSimon Glass } 454c2dbefdSSimon Glass 464c2dbefdSSimon Glass void spi_flash_free(struct spi_flash *flash) 474c2dbefdSSimon Glass { 48706865afSStefan Roese device_remove(flash->spi->dev, DM_REMOVE_NORMAL); 494c2dbefdSSimon Glass } 504c2dbefdSSimon Glass 514c2dbefdSSimon Glass int spi_flash_probe_bus_cs(unsigned int busnum, unsigned int cs, 524c2dbefdSSimon Glass unsigned int max_hz, unsigned int spi_mode, 534c2dbefdSSimon Glass struct udevice **devp) 544c2dbefdSSimon Glass { 554c2dbefdSSimon Glass struct spi_slave *slave; 564c2dbefdSSimon Glass struct udevice *bus; 573c8fb12bSSimon Glass char *str; 584c2dbefdSSimon Glass int ret; 594c2dbefdSSimon Glass 603c8fb12bSSimon Glass #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_USE_TINY_PRINTF) 613c8fb12bSSimon Glass str = "spi_flash"; 623c8fb12bSSimon Glass #else 633c8fb12bSSimon Glass char name[30]; 643c8fb12bSSimon Glass 65a5e1bcdeSHaikun.Wang@freescale.com snprintf(name, sizeof(name), "spi_flash@%d:%d", busnum, cs); 664c2dbefdSSimon Glass str = strdup(name); 673c8fb12bSSimon Glass #endif 684c2dbefdSSimon Glass ret = spi_get_bus_and_cs(busnum, cs, max_hz, spi_mode, 694c2dbefdSSimon Glass "spi_flash_std", str, &bus, &slave); 704c2dbefdSSimon Glass if (ret) 714c2dbefdSSimon Glass return ret; 724c2dbefdSSimon Glass 734c2dbefdSSimon Glass *devp = slave->dev; 744c2dbefdSSimon Glass return 0; 754c2dbefdSSimon Glass } 764c2dbefdSSimon Glass 772588f2ddSMichal Simek static int spi_flash_post_bind(struct udevice *dev) 782588f2ddSMichal Simek { 792588f2ddSMichal Simek #if defined(CONFIG_NEEDS_MANUAL_RELOC) 802588f2ddSMichal Simek struct dm_spi_flash_ops *ops = sf_get_ops(dev); 812588f2ddSMichal Simek static int reloc_done; 822588f2ddSMichal Simek 832588f2ddSMichal Simek if (!reloc_done) { 842588f2ddSMichal Simek if (ops->read) 852588f2ddSMichal Simek ops->read += gd->reloc_off; 862588f2ddSMichal Simek if (ops->write) 872588f2ddSMichal Simek ops->write += gd->reloc_off; 882588f2ddSMichal Simek if (ops->erase) 892588f2ddSMichal Simek ops->erase += gd->reloc_off; 902588f2ddSMichal Simek 912588f2ddSMichal Simek reloc_done++; 922588f2ddSMichal Simek } 932588f2ddSMichal Simek #endif 942588f2ddSMichal Simek return 0; 952588f2ddSMichal Simek } 962588f2ddSMichal Simek 974c2dbefdSSimon Glass UCLASS_DRIVER(spi_flash) = { 984c2dbefdSSimon Glass .id = UCLASS_SPI_FLASH, 994c2dbefdSSimon Glass .name = "spi_flash", 1002588f2ddSMichal Simek .post_bind = spi_flash_post_bind, 1014c2dbefdSSimon Glass .per_device_auto_alloc_size = sizeof(struct spi_flash), 1024c2dbefdSSimon Glass }; 103