blob: 2da0cf0dcf9f4274118d8c4ed3eac1751126b902 [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2014 Google, Inc
*/
#define LOG_CATEGORY UCLASS_SPI_FLASH
#include <common.h>
#include <bootdev.h>
#include <dm.h>
#include <log.h>
#include <malloc.h>
#include <spi.h>
#include <spi_flash.h>
#include <asm/global_data.h>
#include <dm/device-internal.h>
#include <test/test.h>
#include "sf_internal.h"
DECLARE_GLOBAL_DATA_PTR;
int spi_flash_read_dm(struct udevice *dev, u32 offset, size_t len, void *buf)
{
return log_ret(sf_get_ops(dev)->read(dev, offset, len, buf));
}
int spi_flash_write_dm(struct udevice *dev, u32 offset, size_t len,
const void *buf)
{
return log_ret(sf_get_ops(dev)->write(dev, offset, len, buf));
}
int spi_flash_erase_dm(struct udevice *dev, u32 offset, size_t len)
{
return log_ret(sf_get_ops(dev)->erase(dev, offset, len));
}
int spl_flash_get_sw_write_prot(struct udevice *dev)
{
struct dm_spi_flash_ops *ops = sf_get_ops(dev);
if (!ops->get_sw_write_prot)
return -ENOSYS;
return log_ret(ops->get_sw_write_prot(dev));
}
/*
* TODO(sjg@chromium.org): This is an old-style function. We should remove
* it when all SPI flash drivers use dm
*/
struct spi_flash *spi_flash_probe(unsigned int busnum, unsigned int cs,
unsigned int max_hz, unsigned int spi_mode)
{
struct spi_slave *slave;
struct udevice *bus;
char *str;
#if defined(CONFIG_SPL_BUILD) && CONFIG_IS_ENABLED(USE_TINY_PRINTF)
str = "spi_flash";
#else
char name[30];
snprintf(name, sizeof(name), "spi_flash@%d:%d", busnum, cs);
str = strdup(name);
#endif
if (_spi_get_bus_and_cs(busnum, cs, max_hz, spi_mode,
"jedec_spi_nor", str, &bus, &slave))
return NULL;
return dev_get_uclass_priv(slave->dev);
}
int spi_flash_probe_bus_cs(unsigned int busnum, unsigned int cs,
struct udevice **devp)
{
struct spi_slave *slave;
struct udevice *bus;
int ret;
ret = spi_get_bus_and_cs(busnum, cs, &bus, &slave);
if (ret)
return ret;
*devp = slave->dev;
return 0;
}
static int spi_flash_post_bind(struct udevice *dev)
{
int ret;
if (CONFIG_IS_ENABLED(BOOTDEV_SPI_FLASH) && test_sf_bootdev_enabled()) {
ret = bootdev_setup_for_dev(dev, "sf_bootdev");
if (ret)
return log_msg_ret("bd", ret);
}
return 0;
}
UCLASS_DRIVER(spi_flash) = {
.id = UCLASS_SPI_FLASH,
.name = "spi_flash",
.post_bind = spi_flash_post_bind,
.per_device_auto = sizeof(struct spi_nor),
};