1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (c) 2014 Google, Inc
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 log_ret(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 log_ret(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 log_ret(sf_get_ops(dev)->erase(dev, offset, len));
32 int spl_flash_get_sw_write_prot(struct udevice *dev)
34 struct dm_spi_flash_ops *ops = sf_get_ops(dev);
36 if (!ops->get_sw_write_prot)
38 return log_ret(ops->get_sw_write_prot(dev));
42 * TODO(sjg@chromium.org): This is an old-style function. We should remove
43 * it when all SPI flash drivers use dm
45 struct spi_flash *spi_flash_probe(unsigned int bus, unsigned int cs,
46 unsigned int max_hz, unsigned int spi_mode)
50 if (spi_flash_probe_bus_cs(bus, cs, max_hz, spi_mode, &dev))
53 return dev_get_uclass_priv(dev);
56 void spi_flash_free(struct spi_flash *flash)
58 device_remove(flash->spi->dev, DM_REMOVE_NORMAL);
61 int spi_flash_probe_bus_cs(unsigned int busnum, unsigned int cs,
62 unsigned int max_hz, unsigned int spi_mode,
63 struct udevice **devp)
65 struct spi_slave *slave;
70 #if defined(CONFIG_SPL_BUILD) && CONFIG_IS_ENABLED(USE_TINY_PRINTF)
75 snprintf(name, sizeof(name), "spi_flash@%d:%d", busnum, cs);
78 ret = spi_get_bus_and_cs(busnum, cs, max_hz, spi_mode,
79 "spi_flash_std", str, &bus, &slave);
87 static int spi_flash_post_bind(struct udevice *dev)
89 #if defined(CONFIG_NEEDS_MANUAL_RELOC)
90 struct dm_spi_flash_ops *ops = sf_get_ops(dev);
91 static int reloc_done;
95 ops->read += gd->reloc_off;
97 ops->write += gd->reloc_off;
99 ops->erase += gd->reloc_off;
107 UCLASS_DRIVER(spi_flash) = {
108 .id = UCLASS_SPI_FLASH,
110 .post_bind = spi_flash_post_bind,
111 .per_device_auto_alloc_size = sizeof(struct spi_flash),