diff options
| author | Tom Rini <trini@ti.com> | 2014-04-03 07:52:55 -0400 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2014-04-17 17:24:37 -0400 |
| commit | fa1a73fa87bfd204f56224d3ef7ab1ab486ca95f (patch) | |
| tree | 34e19f7c443d11be7afc6a07b2b199b142fd5b02 /drivers | |
| parent | 585d8bc11656e6e43eb4efeecc22505377fe099e (diff) | |
SPL:SPI: Add Falcon Mode support
Signed-off-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/spi/spi_spl_load.c | 46 |
1 files changed, 40 insertions, 6 deletions
diff --git a/drivers/mtd/spi/spi_spl_load.c b/drivers/mtd/spi/spi_spl_load.c index 29355307f3..1954b7e886 100644 --- a/drivers/mtd/spi/spi_spl_load.c +++ b/drivers/mtd/spi/spi_spl_load.c @@ -13,6 +13,35 @@ #include <spi_flash.h> #include <spl.h> +#ifdef CONFIG_SPL_OS_BOOT +/* + * Load the kernel, check for a valid header we can parse, and if found load + * the kernel and then device tree. + */ +static int spi_load_image_os(struct spi_flash *flash, + struct image_header *header) +{ + /* Read for a header, parse or error out. */ + spi_flash_read(flash, CONFIG_SYS_SPI_KERNEL_OFFS, 0x40, + (void *)header); + + if (image_get_magic(header) != IH_MAGIC) + return -1; + + spl_parse_image_header(header); + + spi_flash_read(flash, CONFIG_SYS_SPI_KERNEL_OFFS, + spl_image.size, (void *)spl_image.load_addr); + + /* Read device tree. */ + spi_flash_read(flash, CONFIG_SYS_SPI_ARGS_OFFS, + CONFIG_SYS_SPI_ARGS_SIZE, + (void *)CONFIG_SYS_SPL_ARGS_ADDR); + + return 0; +} +#endif + /* * 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 @@ -37,10 +66,15 @@ void spl_spi_load_image(void) /* use CONFIG_SYS_TEXT_BASE as temporary storage area */ header = (struct image_header *)(CONFIG_SYS_TEXT_BASE); - /* Load u-boot, mkimage header is 64 bytes. */ - spi_flash_read(flash, CONFIG_SYS_SPI_U_BOOT_OFFS, 0x40, - (void *)header); - spl_parse_image_header(header); - spi_flash_read(flash, CONFIG_SYS_SPI_U_BOOT_OFFS, - spl_image.size, (void *)spl_image.load_addr); +#ifdef CONFIG_SPL_OS_BOOT + if (spl_start_uboot() || spi_load_image_os(flash, header)) +#endif + { + /* Load u-boot, mkimage header is 64 bytes. */ + spi_flash_read(flash, CONFIG_SYS_SPI_U_BOOT_OFFS, 0x40, + (void *)header); + spl_parse_image_header(header); + spi_flash_read(flash, CONFIG_SYS_SPI_U_BOOT_OFFS, + spl_image.size, (void *)spl_image.load_addr); + } } |