Index: stand/uboot/fdt/uboot_fdt.c =================================================================== --- stand/uboot/fdt/uboot_fdt.c +++ stand/uboot/fdt/uboot_fdt.c @@ -39,6 +39,30 @@ #define STR(number) #number #define STRINGIFY(number) STR(number) +static int +fdt_platform_load_from_ubenv(const char *var) +{ + struct fdt_header *hdr; + const char *s; + char *p; + + s = ub_env_get(var); + if (s == NULL || *s == '\0') + return (1); + + hdr = (struct fdt_header *)strtoul(s, &p, 16); + if (*p != '\0') + return (1); + + if (fdt_load_dtb_addr(hdr) == 0) { + printf("Using DTB provided by U-Boot at " + "address %p.\n", hdr); + return (0); + } + + return (1); +} + int fdt_platform_load_dtb(void) { @@ -53,22 +77,12 @@ * variable for fdt data loaded into ram is fdt_addr_r, so try that * first. Board vendors also use both fdtaddr and fdt_addr names. */ - s = ub_env_get("fdt_addr_r"); - if (s == NULL) - s = ub_env_get("fdtaddr"); - if (s == NULL) - s = ub_env_get("fdt_addr"); - if (s != NULL && *s != '\0') { - hdr = (struct fdt_header *)strtoul(s, &p, 16); - if (*p == '\0') { - if (fdt_load_dtb_addr(hdr) == 0) { - printf("Using DTB provided by U-Boot at " - "address %p.\n", hdr); - rv = 0; - goto exit; - } - } - } + if ((rv = fdt_platform_load_from_ubenv("fdt_addr")) == 0) + goto exit; + if ((rv = fdt_platform_load_from_ubenv("fdt_addr_r")) == 0) + goto exit; + if ((rv = fdt_platform_load_from_ubenv("fdt_addr")) == 0) + goto exit; rv = 1;