1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (c) 2014 Google, Inc
10 #include <dm/device-internal.h>
11 #include "sf_internal.h"
13 DECLARE_GLOBAL_DATA_PTR;
15 int spi_flash_read_dm(struct udevice *dev, u32 offset, size_t len, void *buf)
17 return log_ret(sf_get_ops(dev)->read(dev, offset, len, buf));
20 int spi_flash_write_dm(struct udevice *dev, u32 offset, size_t len,
23 return log_ret(sf_get_ops(dev)->write(dev, offset, len, buf));
26 int spi_flash_erase_dm(struct udevice *dev, u32 offset, size_t len)
28 return log_ret(sf_get_ops(dev)->erase(dev, offset, len));
31 int spl_flash_get_sw_write_prot(struct udevice *dev)
33 struct dm_spi_flash_ops *ops = sf_get_ops(dev);
35 if (!ops->get_sw_write_prot)
37 return log_ret(ops->get_sw_write_prot(dev));
41 * TODO(sjg@chromium.org): This is an old-style function. We should remove
42 * it when all SPI flash drivers use dm
44 struct spi_flash *spi_flash_probe(unsigned int bus, unsigned int cs,
45 unsigned int max_hz, unsigned int spi_mode)
49 if (spi_flash_probe_bus_cs(bus, cs, max_hz, spi_mode, &dev))
52 return dev_get_uclass_priv(dev);
55 void spi_flash_free(struct spi_flash *flash)
57 device_remove(flash->spi->dev, DM_REMOVE_NORMAL);
60 int spi_flash_probe_bus_cs(unsigned int busnum, unsigned int cs,
61 unsigned int max_hz, unsigned int spi_mode,
62 struct udevice **devp)
64 struct spi_slave *slave;
69 #if defined(CONFIG_SPL_BUILD) && CONFIG_IS_ENABLED(USE_TINY_PRINTF)
74 snprintf(name, sizeof(name), "spi_flash@%d:%d", busnum, cs);
77 ret = spi_get_bus_and_cs(busnum, cs, max_hz, spi_mode,
78 "spi_flash_std", str, &bus, &slave);
86 static int spi_flash_post_bind(struct udevice *dev)
88 #if defined(CONFIG_NEEDS_MANUAL_RELOC)
89 struct dm_spi_flash_ops *ops = sf_get_ops(dev);
90 static int reloc_done;
94 ops->read += gd->reloc_off;
96 ops->write += gd->reloc_off;
98 ops->erase += gd->reloc_off;
106 UCLASS_DRIVER(spi_flash) = {
107 .id = UCLASS_SPI_FLASH,
109 .post_bind = spi_flash_post_bind,
110 .per_device_auto_alloc_size = sizeof(struct spi_flash),