From: Sjoerd Simons sjoerd.simons@collabora.co.uk
Now that MMC works in U-Boot add config distro command support to start Linux in a standard fashion. One oddity here is that linux fails to load when the fdt is relocated to above 512MB, so set fdt_high to make sure it's loaded below that.
Signed-off-by: Sjoerd Simons sjoerd.simons@collabora.co.uk Acked-by: Simon Glass sjg@chromium.org Signed-off-by: Simon Glass sjg@chromium.org ---
Changes in v5: None Changes in v4: None Changes in v3: None Changes in v2: None
include/configs/rk3288_common.h | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+)
diff --git a/include/configs/rk3288_common.h b/include/configs/rk3288_common.h index ce7fa75..e8aec28 100644 --- a/include/configs/rk3288_common.h +++ b/include/configs/rk3288_common.h @@ -92,6 +92,27 @@
#ifndef CONFIG_SPL_BUILD #include <config_distro_defaults.h> + +#define ENV_MEM_LAYOUT_SETTINGS \ + "scriptaddr=0x00000000\0" \ + "pxefile_addr_r=0x00100000\0" \ + "fdt_addr_r=0x01f00000\0" \ + "kernel_addr_r=0x02000000\0" \ + "ramdisk_addr_r=0x04000000\0" + +/* First try to boot from SD (index 0), then eMMC (index 1 */ +#define BOOT_TARGET_DEVICES(func) \ + func(MMC, mmc, 0) \ + func(MMC, mmc, 1) + +#include <config_distro_bootcmd.h> + +/* Linux fails to load the fdt if it's loaded above 512M on a Rock 2 board, so + * limit the fdt reallocation to that */ +#define CONFIG_EXTRA_ENV_SETTINGS \ + "fdt_high=0x1fffffff\0" \ + ENV_MEM_LAYOUT_SETTINGS \ + BOOTENV #endif
#endif