mirror of
https://xff.cz/git/u-boot/
synced 2025-10-31 02:15:45 +01:00
03de305ec4
As part of bringing the master branch back in to next, we need to allow for all of these changes to exist here. Reported-by: Jonas Karlman <jonas@kwiboo.se> Signed-off-by: Tom Rini <trini@konsulko.com>
107 lines
2.3 KiB
C
107 lines
2.3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (c) 2014 Google, Inc
|
|
*/
|
|
|
|
#define LOG_CATEGORY UCLASS_SPI_FLASH
|
|
|
|
#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),
|
|
};
|