*/
#include <common.h>
+#include <dm.h>
#include <errno.h>
#include <fdtdec.h>
#include <malloc.h>
+#include <mapmem.h>
#include <spi.h>
#include <spi_flash.h>
#include <asm/io.h>
/* Read commands array */
static u8 spi_read_cmds_array[] = {
CMD_READ_ARRAY_SLOW,
+ CMD_READ_ARRAY_FAST,
CMD_READ_DUAL_OUTPUT_FAST,
CMD_READ_DUAL_IO_FAST,
CMD_READ_QUAD_OUTPUT_FAST,
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->write = spi_flash_cmd_write_ops;
-#ifdef CONFIG_SPI_FLASH_SST
- if (params->flags & SST_WP)
- flash->write = sst_write_wp;
+#if defined(CONFIG_SPI_FLASH_SST)
+ if (params->flags & SST_WR) {
+ if (flash->spi->op_mode_tx & SPI_OPM_TX_BP)
+ flash->write = sst_write_bp;
+ else
+ flash->write = sst_write_wp;
+ }
#endif
flash->erase = spi_flash_cmd_erase_ops;
flash->read = spi_flash_cmd_read_ops;
+#endif
/* Compute the flash size */
flash->shift = (flash->dual_flash & SF_DUAL_PARALLEL_FLASH) ? 1 : 0;
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) {
return 0;
}
-#ifdef CONFIG_OF_CONTROL
+#if CONFIG_IS_ENABLED(OF_CONTROL)
int spi_flash_decode_fdt(const void *blob, struct spi_flash *flash)
{
fdt_addr_t addr;
return 0;
}
-#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
+#endif /* CONFIG_IS_ENABLED(OF_CONTROL) */
/**
* spi_flash_probe_slave() - Probe for a SPI flash device on a bus
}
}
-#ifdef CONFIG_OF_CONTROL
+#if CONFIG_IS_ENABLED(OF_CONTROL)
if (spi_flash_decode_fdt(gd->fdt_blob, flash)) {
debug("SF: FDT decode error\n");
ret = -EINVAL;
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);
return ret;
}
-static struct spi_flash *spi_flash_probe_tail(struct spi_slave *bus)
+#ifndef CONFIG_DM_SPI_FLASH
+struct spi_flash *spi_flash_probe_tail(struct spi_slave *bus)
{
struct spi_flash *flash;
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);
}
+
+#else /* defined CONFIG_DM_SPI_FLASH */
+
+static int spi_flash_std_read(struct udevice *dev, u32 offset, size_t len,
+ void *buf)
+{
+ 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_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_get_uclass_priv(dev);
+
+ return spi_flash_cmd_erase_ops(flash, offset, len);
+}
+
+int spi_flash_std_probe(struct udevice *dev)
+{
+ struct spi_slave *slave = dev_get_parent_priv(dev);
+ struct dm_spi_slave_platdata *plat = dev_get_parent_platdata(dev);
+ struct spi_flash *flash;
+
+ 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);
+}
+
+static const struct dm_spi_flash_ops spi_flash_std_ops = {
+ .read = spi_flash_std_read,
+ .write = spi_flash_std_write,
+ .erase = spi_flash_std_erase,
+};
+
+static const struct udevice_id spi_flash_std_ids[] = {
+ { .compatible = "spi-flash" },
+ { }
+};
+
+U_BOOT_DRIVER(spi_flash_std) = {
+ .name = "spi_flash_std",
+ .id = UCLASS_SPI_FLASH,
+ .of_match = spi_flash_std_ids,
+ .probe = spi_flash_std_probe,
+ .priv_auto_alloc_size = sizeof(struct spi_flash),
+ .ops = &spi_flash_std_ops,
+};
+
+#endif /* CONFIG_DM_SPI_FLASH */
projects / oweals / u-boot.git / blobdiff