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 --- drivers/mtd/spi/spi_spl_load.c | 37 ++++++++++++++++++++++++++++++++----- 1 file changed, 32 insertions(+), 5 deletions(-)
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 @@ static int spi_load_image_os(struct spi_flash *flash, } #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 @@ int spl_spi_load_image(void) 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;