2 * Copyright (c) 2014 Google, Inc
4 * SPDX-License-Identifier: GPL-2.0+
10 #include <spi_flash.h>
11 #include <dm/device-internal.h>
12 #include "sf_internal.h"
14 DECLARE_GLOBAL_DATA_PTR;
16 int spi_flash_read_dm(struct udevice *dev, u32 offset, size_t len, void *buf)
18 return sf_get_ops(dev)->read(dev, offset, len, buf);
21 int spi_flash_write_dm(struct udevice *dev, u32 offset, size_t len,
24 return sf_get_ops(dev)->write(dev, offset, len, buf);
27 int spi_flash_erase_dm(struct udevice *dev, u32 offset, size_t len)
29 return sf_get_ops(dev)->erase(dev, offset, len);
33 * TODO(sjg@chromium.org): This is an old-style function. We should remove
34 * it when all SPI flash drivers use dm
36 struct spi_flash *spi_flash_probe(unsigned int bus, unsigned int cs,
37 unsigned int max_hz, unsigned int spi_mode)
41 if (spi_flash_probe_bus_cs(bus, cs, max_hz, spi_mode, &dev))
44 return dev_get_uclass_priv(dev);
47 void spi_flash_free(struct spi_flash *flash)
49 device_remove(flash->spi->dev);
52 int spi_flash_probe_bus_cs(unsigned int busnum, unsigned int cs,
53 unsigned int max_hz, unsigned int spi_mode,
54 struct udevice **devp)
56 struct spi_slave *slave;
61 #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_USE_TINY_PRINTF)
66 snprintf(name, sizeof(name), "spi_flash@%d:%d", busnum, cs);
69 ret = spi_get_bus_and_cs(busnum, cs, max_hz, spi_mode,
70 "spi_flash_std", str, &bus, &slave);
78 static int spi_flash_post_bind(struct udevice *dev)
80 #if defined(CONFIG_NEEDS_MANUAL_RELOC)
81 struct dm_spi_flash_ops *ops = sf_get_ops(dev);
82 static int reloc_done;
86 ops->read += gd->reloc_off;
88 ops->write += gd->reloc_off;
90 ops->erase += gd->reloc_off;
98 UCLASS_DRIVER(spi_flash) = {
99 .id = UCLASS_SPI_FLASH,
101 .post_bind = spi_flash_post_bind,
102 .per_device_auto_alloc_size = sizeof(struct spi_flash),