CMD_READ_QUAD_IO_FAST,
};
+#ifdef CONFIG_SPI_FLASH_MACRONIX
+static int spi_flash_set_qeb_mxic(struct spi_flash *flash)
+{
+ u8 qeb_status;
+ int ret;
+
+ ret = spi_flash_cmd_read_status(flash, &qeb_status);
+ if (ret < 0)
+ return ret;
+
+ if (qeb_status & STATUS_QEB_MXIC) {
+ debug("SF: mxic: QEB is already set\n");
+ } else {
+ ret = spi_flash_cmd_write_status(flash, STATUS_QEB_MXIC);
+ if (ret < 0)
+ return ret;
+ }
+
+ return ret;
+}
+#endif
+
+#if defined(CONFIG_SPI_FLASH_SPANSION) || defined(CONFIG_SPI_FLASH_WINBOND)
+static int spi_flash_set_qeb_winspan(struct spi_flash *flash)
+{
+ u8 qeb_status;
+ int ret;
+
+ ret = spi_flash_cmd_read_config(flash, &qeb_status);
+ if (ret < 0)
+ return ret;
+
+ if (qeb_status & STATUS_QEB_WINSPAN) {
+ debug("SF: winspan: QEB is already set\n");
+ } else {
+ ret = spi_flash_cmd_write_config(flash, STATUS_QEB_WINSPAN);
+ if (ret < 0)
+ return ret;
+ }
+
+ return ret;
+}
+#endif
+
static int spi_flash_set_qeb(struct spi_flash *flash, u8 idcode0)
{
switch (idcode0) {
return NULL;
}
- flash = malloc(sizeof(*flash));
+ flash = calloc(1, sizeof(*flash));
if (!flash) {
debug("SF: Failed to allocate spi_flash\n");
return NULL;
}
- memset(flash, '\0', sizeof(*flash));
/* Assign spi data */
flash->spi = spi;
flash->name = params->name;
flash->memory_map = spi->memory_map;
+ flash->dual_flash = flash->spi->option;
/* Assign spi_flash ops */
flash->write = spi_flash_cmd_write_ops;
flash->read = spi_flash_cmd_read_ops;
/* Compute the flash size */
- flash->page_size = (ext_jedec == 0x4d00) ? 512 : 256;
- flash->sector_size = params->sector_size;
- flash->size = flash->sector_size * params->nr_sectors;
+ flash->shift = (flash->dual_flash & SF_DUAL_PARALLEL_FLASH) ? 1 : 0;
+ flash->page_size = ((ext_jedec == 0x4d00) ? 512 : 256) << flash->shift;
+ flash->sector_size = params->sector_size << flash->shift;
+ flash->size = flash->sector_size * params->nr_sectors << flash->shift;
+#ifdef CONFIG_SF_DUAL_FLASH
+ if (flash->dual_flash & SF_DUAL_STACKED_FLASH)
+ flash->size <<= 1;
+#endif
/* Compute erase sector and command */
if (params->flags & SECT_4K) {
flash->erase_cmd = CMD_ERASE_4K;
- flash->erase_size = 4096;
+ flash->erase_size = 4096 << flash->shift;
} else if (params->flags & SECT_32K) {
flash->erase_cmd = CMD_ERASE_32K;
- flash->erase_size = 32768;
+ flash->erase_size = 32768 << flash->shift;
} else {
flash->erase_cmd = CMD_ERASE_64K;
flash->erase_size = flash->sector_size;
cmd = spi_read_cmds_array[cmd - 1];
flash->read_cmd = cmd;
} else {
- /* Go for for default supported read cmd */
+ /* Go for default supported read cmd */
flash->read_cmd = CMD_READ_ARRAY_FAST;
}
flash->dummy_byte = 1;
}
- /* Poll cmd seclection */
+ /* Poll cmd selection */
flash->poll_cmd = CMD_READ_STATUS;
#ifdef CONFIG_SPI_FLASH_STMICRO
if (params->flags & E_FSR)
puts("\n");
#endif
#ifndef CONFIG_SPI_FLASH_BAR
- if (flash->size > SPI_FLASH_16MB_BOUN) {
+ if (((flash->dual_flash == SF_SINGLE_FLASH) &&
+ (flash->size > SPI_FLASH_16MB_BOUN)) ||
+ ((flash->dual_flash > SF_SINGLE_FLASH) &&
+ (flash->size > SPI_FLASH_16MB_BOUN << 1))) {
puts("SF: Warning - Only lower 16MiB accessible,");
puts(" Full access #define CONFIG_SPI_FLASH_BAR\n");
}