X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=arch%2Fsh%2Flib%2Fbootm.c;h=4fdc7aab74577e3dadd68473b4cbf2e0bb1b26e6;hp=f38d0b0e8e3fbc4e9276ff24cd212a2ea43b0a76;hb=2cb0e55a3cd737be1d228a9f90b3d34fab0d0d46;hpb=678150f155f0cc69ce7868f53d91e3ab2859510b diff --git a/arch/sh/lib/bootm.c b/arch/sh/lib/bootm.c index f38d0b0e8e..4fdc7aab74 100644 --- a/arch/sh/lib/bootm.c +++ b/arch/sh/lib/bootm.c @@ -27,6 +27,7 @@ #include #include #include +#include #ifdef CONFIG_SYS_DEBUG static void hexdump(unsigned char *buf, int len) @@ -43,19 +44,6 @@ static void hexdump(unsigned char *buf, int len) } #endif -#define MOUNT_ROOT_RDONLY 0x000 -#define RAMDISK_FLAGS 0x004 -#define ORIG_ROOT_DEV 0x008 -#define LOADER_TYPE 0x00c -#define INITRD_START 0x010 -#define INITRD_SIZE 0x014 -#define COMMAND_LINE 0x100 - -#define RD_PROMPT (1<<15) -#define RD_DOLOAD (1<<14) -#define CMD_ARG_RD_PROMPT "prompt_ramdisk=" -#define CMD_ARG_RD_DOLOAD "load_ramdisk=" - #ifdef CONFIG_SH_SDRAM_OFFSET #define GET_INITRD_START(initrd, linux) (initrd - linux + CONFIG_SH_SDRAM_OFFSET) #else @@ -91,16 +79,21 @@ int do_bootm_linux(int flag, int argc, char * const argv[], bootm_headers_t *ima unsigned long size = images->ep - (unsigned long)param; char *bootargs = getenv("bootargs"); + /* + * allow the PREP bootm subcommand, it is required for bootm to work + */ + if (flag & BOOTM_STATE_OS_PREP) + return 0; + if ((flag != 0) && (flag != BOOTM_STATE_OS_GO)) return 1; - /* Setup parameters */ - memset(param, 0, size); /* Clear zero page */ + /* Clear zero page */ + memset(param, 0, size); /* Set commandline */ strcpy(cmdline, bootargs); - sh_check_cmd_arg(bootargs, CMD_ARG_RD_DOLOAD, 10); /* Initrd */ if (images->rd_start || images->rd_end) { unsigned long ramdisk_flags = 0; @@ -109,7 +102,7 @@ int do_bootm_linux(int flag, int argc, char * const argv[], bootm_headers_t *ima ramdisk_flags |= RD_PROMPT; else ramdisk_flags &= ~RD_PROMPT; - + val = sh_check_cmd_arg(bootargs, CMD_ARG_RD_DOLOAD, 10); if (val == 1) ramdisk_flags |= RD_DOLOAD; @@ -128,7 +121,7 @@ int do_bootm_linux(int flag, int argc, char * const argv[], bootm_headers_t *ima /* Boot kernel */ kernel(); - /* does not return */ + /* does not return */ return 1; }