#include <errno.h>
#include <fdtdec.h>
#include <malloc.h>
+#include <mapmem.h>
#include <spi.h>
#include <spi_flash.h>
#include <asm/io.h>
flash->name = params->name;
flash->memory_map = spi->memory_map;
flash->dual_flash = flash->spi->option;
+#ifdef CONFIG_DM_SPI_FLASH
+ flash->flags = params->flags;
+#endif
/* Assign spi_flash ops */
#ifndef CONFIG_DM_SPI_FLASH
flash->erase_size = flash->sector_size;
}
+ /* Now erase size becomes valid sector size */
+ flash->sector_size = flash->erase_size;
+
/* Look for the fastest read cmd */
cmd = fls(params->e_rd_cmd & flash->spi->op_mode_rx);
if (cmd) {
}
#endif /* CONFIG_OF_CONTROL */
-#ifdef CONFIG_SYS_SPI_ST_ENABLE_WP_PIN
-/* enable the W#/Vpp signal to disable writing to the status register */
-static int spi_enable_wp_pin(struct spi_flash *flash)
-{
- u8 status;
- int ret;
-
- ret = spi_flash_cmd_read_status(flash, &status);
- if (ret < 0)
- return ret;
-
- ret = spi_flash_cmd_write_status(flash, STATUS_SRWD);
- if (ret < 0)
- return ret;
-
- ret = spi_flash_cmd_write_disable(flash);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-#else
-static int spi_enable_wp_pin(struct spi_flash *flash)
-{
- return 0;
-}
-#endif
-
/**
* spi_flash_probe_slave() - Probe for a SPI flash device on a bus
*
puts(" Full access #define CONFIG_SPI_FLASH_BAR\n");
}
#endif
- if (spi_enable_wp_pin(flash))
- puts("Enable WP pin failed\n");
-
- /* Release spi bus */
- spi_release_bus(spi);
-
- return 0;
+#ifdef CONFIG_SPI_FLASH_MTD
+ ret = spi_flash_mtd_register(flash);
+#endif
err_read_id:
spi_release_bus(spi);
struct spi_slave *bus;
bus = spi_setup_slave(busnum, cs, max_hz, spi_mode);
+ if (!bus)
+ return NULL;
return spi_flash_probe_tail(bus);
}
struct spi_slave *bus;
bus = spi_setup_slave_fdt(blob, slave_node, spi_node);
+ if (!bus)
+ return NULL;
return spi_flash_probe_tail(bus);
}
#endif
void spi_flash_free(struct spi_flash *flash)
{
+#ifdef CONFIG_SPI_FLASH_MTD
+ spi_flash_mtd_unregister();
+#endif
spi_free_slave(flash->spi);
free(flash);
}
static int spi_flash_std_read(struct udevice *dev, u32 offset, size_t len,
void *buf)
{
- struct spi_flash *flash = dev->uclass_priv;
+ struct spi_flash *flash = dev_get_uclass_priv(dev);
return spi_flash_cmd_read_ops(flash, offset, len, buf);
}
int spi_flash_std_write(struct udevice *dev, u32 offset, size_t len,
const void *buf)
{
- struct spi_flash *flash = dev->uclass_priv;
+ struct spi_flash *flash = dev_get_uclass_priv(dev);
+
+#if defined(CONFIG_SPI_FLASH_SST)
+ if (flash->flags & SST_WR) {
+ if (flash->spi->op_mode_tx & SPI_OPM_TX_BP)
+ return sst_write_bp(flash, offset, len, buf);
+ else
+ return sst_write_wp(flash, offset, len, buf);
+ }
+#endif
return spi_flash_cmd_write_ops(flash, offset, len, buf);
}
int spi_flash_std_erase(struct udevice *dev, u32 offset, size_t len)
{
- struct spi_flash *flash = dev->uclass_priv;
+ struct spi_flash *flash = dev_get_uclass_priv(dev);
return spi_flash_cmd_erase_ops(flash, offset, len);
}
struct dm_spi_slave_platdata *plat = dev_get_parent_platdata(dev);
struct spi_flash *flash;
- flash = dev->uclass_priv;
+ flash = dev_get_uclass_priv(dev);
flash->dev = dev;
debug("%s: slave=%p, cs=%d\n", __func__, slave, plat->cs);
return spi_flash_probe_slave(slave, flash);