14c2dbefdSSimon Glass /* 24c2dbefdSSimon Glass * Copyright (c) 2014 Google, Inc 34c2dbefdSSimon Glass * 44c2dbefdSSimon Glass * SPDX-License-Identifier: GPL-2.0+ 54c2dbefdSSimon Glass */ 64c2dbefdSSimon Glass 74c2dbefdSSimon Glass #include <common.h> 84c2dbefdSSimon Glass #include <dm.h> 94c2dbefdSSimon Glass #include <spi.h> 104c2dbefdSSimon Glass #include <spi_flash.h> 114c2dbefdSSimon Glass #include <dm/device-internal.h> 124c2dbefdSSimon Glass #include "sf_internal.h" 134c2dbefdSSimon Glass 142588f2ddSMichal Simek DECLARE_GLOBAL_DATA_PTR; 152588f2ddSMichal Simek 168d987abcSSimon Glass int spi_flash_read_dm(struct udevice *dev, u32 offset, size_t len, void *buf) 178d987abcSSimon Glass { 188d987abcSSimon Glass return sf_get_ops(dev)->read(dev, offset, len, buf); 198d987abcSSimon Glass } 208d987abcSSimon Glass 218d987abcSSimon Glass int spi_flash_write_dm(struct udevice *dev, u32 offset, size_t len, 228d987abcSSimon Glass const void *buf) 238d987abcSSimon Glass { 248d987abcSSimon Glass return sf_get_ops(dev)->write(dev, offset, len, buf); 258d987abcSSimon Glass } 268d987abcSSimon Glass 278d987abcSSimon Glass int spi_flash_erase_dm(struct udevice *dev, u32 offset, size_t len) 288d987abcSSimon Glass { 298d987abcSSimon Glass return sf_get_ops(dev)->erase(dev, offset, len); 308d987abcSSimon Glass } 318d987abcSSimon Glass 324c2dbefdSSimon Glass /* 334c2dbefdSSimon Glass * TODO(sjg@chromium.org): This is an old-style function. We should remove 344c2dbefdSSimon Glass * it when all SPI flash drivers use dm 354c2dbefdSSimon Glass */ 364c2dbefdSSimon Glass struct spi_flash *spi_flash_probe(unsigned int bus, unsigned int cs, 374c2dbefdSSimon Glass unsigned int max_hz, unsigned int spi_mode) 384c2dbefdSSimon Glass { 394c2dbefdSSimon Glass struct udevice *dev; 404c2dbefdSSimon Glass 414c2dbefdSSimon Glass if (spi_flash_probe_bus_cs(bus, cs, max_hz, spi_mode, &dev)) 424c2dbefdSSimon Glass return NULL; 434c2dbefdSSimon Glass 44e564f054SSimon Glass return dev_get_uclass_priv(dev); 454c2dbefdSSimon Glass } 464c2dbefdSSimon Glass 474c2dbefdSSimon Glass void spi_flash_free(struct spi_flash *flash) 484c2dbefdSSimon Glass { 4911c579bcSJagan Teki device_remove(flash->spi->dev); 504c2dbefdSSimon Glass } 514c2dbefdSSimon Glass 524c2dbefdSSimon Glass int spi_flash_probe_bus_cs(unsigned int busnum, unsigned int cs, 534c2dbefdSSimon Glass unsigned int max_hz, unsigned int spi_mode, 544c2dbefdSSimon Glass struct udevice **devp) 554c2dbefdSSimon Glass { 564c2dbefdSSimon Glass struct spi_slave *slave; 574c2dbefdSSimon Glass struct udevice *bus; 58*3c8fb12bSSimon Glass char *str; 594c2dbefdSSimon Glass int ret; 604c2dbefdSSimon Glass 61*3c8fb12bSSimon Glass #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_USE_TINY_PRINTF) 62*3c8fb12bSSimon Glass str = "spi_flash"; 63*3c8fb12bSSimon Glass #else 64*3c8fb12bSSimon Glass char name[30]; 65*3c8fb12bSSimon Glass 66a5e1bcdeSHaikun.Wang@freescale.com snprintf(name, sizeof(name), "spi_flash@%d:%d", busnum, cs); 674c2dbefdSSimon Glass str = strdup(name); 68*3c8fb12bSSimon Glass #endif 694c2dbefdSSimon Glass ret = spi_get_bus_and_cs(busnum, cs, max_hz, spi_mode, 704c2dbefdSSimon Glass "spi_flash_std", str, &bus, &slave); 714c2dbefdSSimon Glass if (ret) 724c2dbefdSSimon Glass return ret; 734c2dbefdSSimon Glass 744c2dbefdSSimon Glass *devp = slave->dev; 754c2dbefdSSimon Glass return 0; 764c2dbefdSSimon Glass } 774c2dbefdSSimon Glass 782588f2ddSMichal Simek static int spi_flash_post_bind(struct udevice *dev) 792588f2ddSMichal Simek { 802588f2ddSMichal Simek #if defined(CONFIG_NEEDS_MANUAL_RELOC) 812588f2ddSMichal Simek struct dm_spi_flash_ops *ops = sf_get_ops(dev); 822588f2ddSMichal Simek static int reloc_done; 832588f2ddSMichal Simek 842588f2ddSMichal Simek if (!reloc_done) { 852588f2ddSMichal Simek if (ops->read) 862588f2ddSMichal Simek ops->read += gd->reloc_off; 872588f2ddSMichal Simek if (ops->write) 882588f2ddSMichal Simek ops->write += gd->reloc_off; 892588f2ddSMichal Simek if (ops->erase) 902588f2ddSMichal Simek ops->erase += gd->reloc_off; 912588f2ddSMichal Simek 922588f2ddSMichal Simek reloc_done++; 932588f2ddSMichal Simek } 942588f2ddSMichal Simek #endif 952588f2ddSMichal Simek return 0; 962588f2ddSMichal Simek } 972588f2ddSMichal Simek 984c2dbefdSSimon Glass UCLASS_DRIVER(spi_flash) = { 994c2dbefdSSimon Glass .id = UCLASS_SPI_FLASH, 1004c2dbefdSSimon Glass .name = "spi_flash", 1012588f2ddSMichal Simek .post_bind = spi_flash_post_bind, 1024c2dbefdSSimon Glass .per_device_auto_alloc_size = sizeof(struct spi_flash), 1034c2dbefdSSimon Glass }; 104