1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (c) 2014 Google, Inc
11 #include <spi_flash.h>
12 #include <dm/device-internal.h>
13 #include "sf_internal.h"
15 DECLARE_GLOBAL_DATA_PTR;
17 int spi_flash_read_dm(struct udevice *dev, u32 offset, size_t len, void *buf)
19 return log_ret(sf_get_ops(dev)->read(dev, offset, len, buf));
22 int spi_flash_write_dm(struct udevice *dev, u32 offset, size_t len,
25 return log_ret(sf_get_ops(dev)->write(dev, offset, len, buf));
28 int spi_flash_erase_dm(struct udevice *dev, u32 offset, size_t len)
30 return log_ret(sf_get_ops(dev)->erase(dev, offset, len));
34 * TODO(sjg@chromium.org): This is an old-style function. We should remove
35 * it when all SPI flash drivers use dm
37 struct spi_flash *spi_flash_probe(unsigned int bus, unsigned int cs,
38 unsigned int max_hz, unsigned int spi_mode)
42 if (spi_flash_probe_bus_cs(bus, cs, max_hz, spi_mode, &dev))
45 return dev_get_uclass_priv(dev);
48 void spi_flash_free(struct spi_flash *flash)
50 device_remove(flash->spi->dev, DM_REMOVE_NORMAL);
53 int spi_flash_probe_bus_cs(unsigned int busnum, unsigned int cs,
54 unsigned int max_hz, unsigned int spi_mode,
55 struct udevice **devp)
57 struct spi_slave *slave;
62 #if defined(CONFIG_SPL_BUILD) && CONFIG_IS_ENABLED(USE_TINY_PRINTF)
67 snprintf(name, sizeof(name), "spi_flash@%d:%d", busnum, cs);
70 ret = spi_get_bus_and_cs(busnum, cs, max_hz, spi_mode,
71 "spi_flash_std", str, &bus, &slave);
79 static int spi_flash_post_bind(struct udevice *dev)
81 #if defined(CONFIG_NEEDS_MANUAL_RELOC)
82 struct dm_spi_flash_ops *ops = sf_get_ops(dev);
83 static int reloc_done;
87 ops->read += gd->reloc_off;
89 ops->write += gd->reloc_off;
91 ops->erase += gd->reloc_off;
99 UCLASS_DRIVER(spi_flash) = {
100 .id = UCLASS_SPI_FLASH,
102 .post_bind = spi_flash_post_bind,
103 .per_device_auto_alloc_size = sizeof(struct spi_flash),