diff options
Diffstat (limited to 'lib/fdtdec.c')
| -rw-r--r-- | lib/fdtdec.c | 39 |
1 files changed, 36 insertions, 3 deletions
diff --git a/lib/fdtdec.c b/lib/fdtdec.c index 331eae2ce1..80b897a21c 100644 --- a/lib/fdtdec.c +++ b/lib/fdtdec.c @@ -9,6 +9,7 @@ #include <serial.h> #include <libfdt.h> #include <fdtdec.h> +#include <asm/sections.h> #include <linux/ctype.h> DECLARE_GLOBAL_DATA_PTR; @@ -565,9 +566,11 @@ int fdtdec_prepare_fdt(void) { if (!gd->fdt_blob || ((uintptr_t)gd->fdt_blob & 3) || fdt_check_header(gd->fdt_blob)) { - printf("No valid FDT found - please append one to U-Boot " - "binary, use u-boot-dtb.bin or define " - "CONFIG_OF_EMBED. For sandbox, use -d <file.dtb>\n"); +#ifdef CONFIG_SPL_BUILD + puts("Missing DTB\n"); +#else + puts("No valid device tree binary found - please append one to U-Boot binary, use u-boot-dtb.bin or define CONFIG_OF_EMBED. For sandbox, use -d <file.dtb>\n"); +#endif return -1; } return 0; @@ -1035,4 +1038,34 @@ int fdtdec_decode_memory_region(const void *blob, int config_node, return 0; } + +int fdtdec_setup(void) +{ +#ifdef CONFIG_OF_CONTROL +# ifdef CONFIG_OF_EMBED + /* Get a pointer to the FDT */ + gd->fdt_blob = __dtb_dt_begin; +# elif defined CONFIG_OF_SEPARATE +# ifdef CONFIG_SPL_BUILD + /* FDT is at end of BSS */ + gd->fdt_blob = (ulong *)&__bss_end; +# else + /* FDT is at end of image */ + gd->fdt_blob = (ulong *)&_end; +#endif +# elif defined(CONFIG_OF_HOSTFILE) + if (sandbox_read_fdt_from_file()) { + puts("Failed to read control FDT\n"); + return -1; + } +# endif +# ifndef CONFIG_SPL_BUILD + /* Allow the early environment to override the fdt address */ + gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16, + (uintptr_t)gd->fdt_blob); +# endif #endif + return fdtdec_prepare_fdt(); +} + +#endif /* !USE_HOSTCC */ |