spl: Support loading a FIT from SPI
Detect a FIT when loading from SPI and handle it using the
new FIT SPL support.
Reviewed-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
diff --git a/drivers/mtd/spi/spi_spl_load.c b/drivers/mtd/spi/spi_spl_load.c
index 46c98a9..bac1e85 100644
--- a/drivers/mtd/spi/spi_spl_load.c
+++ b/drivers/mtd/spi/spi_spl_load.c
@@ -48,6 +48,18 @@
}
#endif
+static ulong spl_spi_fit_read(struct spl_load_info *load, ulong sector,
+ ulong count, void *buf)
+{
+ struct spi_flash *flash = load->dev;
+ ulong ret;
+
+ ret = spi_flash_read(flash, sector, count, buf);
+ if (!ret)
+ return count;
+ else
+ return 0;
+}
/*
* The main entry for SPI booting. It's necessary that SDRAM is already
* configured and available since this code loads the main U-Boot image
@@ -85,11 +97,26 @@
if (err)
return err;
- err = spl_parse_image_header(header);
- if (err)
- return err;
- err = spi_flash_read(flash, CONFIG_SYS_SPI_U_BOOT_OFFS,
- spl_image.size, (void *)spl_image.load_addr);
+ if (IS_ENABLED(CONFIG_SPL_LOAD_FIT)) {
+ struct spl_load_info load;
+
+ debug("Found FIT\n");
+ load.dev = flash;
+ load.priv = NULL;
+ load.filename = NULL;
+ load.bl_len = 1;
+ load.read = spl_spi_fit_read;
+ err = spl_load_simple_fit(&load,
+ CONFIG_SYS_SPI_U_BOOT_OFFS,
+ header);
+ } else {
+ err = spl_parse_image_header(header);
+ if (err)
+ return err;
+ err = spi_flash_read(flash, CONFIG_SYS_SPI_U_BOOT_OFFS,
+ spl_image.size,
+ (void *)spl_image.load_addr);
+ }
}
return err;