mirror of
https://github.com/smaeul/u-boot.git
synced 2025-11-04 05:50:17 +00:00
706865afe5
This patch adds the flags parameter to device_remove() and changes all calls to this function to provide the default value of DM_REMOVE_NORMAL for "normal" device removal. This is in preparation for the driver specific pre-OS (e.g. DMA cancelling) remove support. Signed-off-by: Stefan Roese <sr@denx.de> Cc: Simon Glass <sjg@chromium.org> Acked-by: Simon Glass <sjg@chromium.org>
104 lines
2.2 KiB
C
104 lines
2.2 KiB
C
/*
|
|
* Copyright (c) 2014 Google, Inc
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <dm.h>
|
|
#include <spi.h>
|
|
#include <spi_flash.h>
|
|
#include <dm/device-internal.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 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 sf_get_ops(dev)->write(dev, offset, len, buf);
|
|
}
|
|
|
|
int spi_flash_erase_dm(struct udevice *dev, u32 offset, size_t len)
|
|
{
|
|
return sf_get_ops(dev)->erase(dev, offset, len);
|
|
}
|
|
|
|
/*
|
|
* 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 bus, unsigned int cs,
|
|
unsigned int max_hz, unsigned int spi_mode)
|
|
{
|
|
struct udevice *dev;
|
|
|
|
if (spi_flash_probe_bus_cs(bus, cs, max_hz, spi_mode, &dev))
|
|
return NULL;
|
|
|
|
return dev_get_uclass_priv(dev);
|
|
}
|
|
|
|
void spi_flash_free(struct spi_flash *flash)
|
|
{
|
|
device_remove(flash->spi->dev, DM_REMOVE_NORMAL);
|
|
}
|
|
|
|
int spi_flash_probe_bus_cs(unsigned int busnum, unsigned int cs,
|
|
unsigned int max_hz, unsigned int spi_mode,
|
|
struct udevice **devp)
|
|
{
|
|
struct spi_slave *slave;
|
|
struct udevice *bus;
|
|
char *str;
|
|
int ret;
|
|
|
|
#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_USE_TINY_PRINTF)
|
|
str = "spi_flash";
|
|
#else
|
|
char name[30];
|
|
|
|
snprintf(name, sizeof(name), "spi_flash@%d:%d", busnum, cs);
|
|
str = strdup(name);
|
|
#endif
|
|
ret = spi_get_bus_and_cs(busnum, cs, max_hz, spi_mode,
|
|
"spi_flash_std", str, &bus, &slave);
|
|
if (ret)
|
|
return ret;
|
|
|
|
*devp = slave->dev;
|
|
return 0;
|
|
}
|
|
|
|
static int spi_flash_post_bind(struct udevice *dev)
|
|
{
|
|
#if defined(CONFIG_NEEDS_MANUAL_RELOC)
|
|
struct dm_spi_flash_ops *ops = sf_get_ops(dev);
|
|
static int reloc_done;
|
|
|
|
if (!reloc_done) {
|
|
if (ops->read)
|
|
ops->read += gd->reloc_off;
|
|
if (ops->write)
|
|
ops->write += gd->reloc_off;
|
|
if (ops->erase)
|
|
ops->erase += gd->reloc_off;
|
|
|
|
reloc_done++;
|
|
}
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
UCLASS_DRIVER(spi_flash) = {
|
|
.id = UCLASS_SPI_FLASH,
|
|
.name = "spi_flash",
|
|
.post_bind = spi_flash_post_bind,
|
|
.per_device_auto_alloc_size = sizeof(struct spi_flash),
|
|
};
|